Revert "TEMP: Try python 3.8."

This reverts commit 8def4d5177.

.github/workflows/main.yml

@@ -1,24 +1,24 @@
 name: ci
-on: ["push", "pull_request"]
+on: ["push", "pull_request", "workflow_dispatch"]
 
 jobs:
 
   lint:
     name: lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v4
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - name: extract pip cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-pip-
       - run: pip install --user --upgrade pip wheel
-      - run: pip install -e .[torrent,lint]
+      - run: pip install -e .[lint]
       - run: make lint
 
   tests-unit:
@@ -26,31 +26,31 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu-latest
+          - ubuntu-20.04
           - macos-latest
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v4
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - name: set pip cache dir
-        id: pip-cache
+        shell: bash
-        run: echo "::set-output name=dir::$(pip cache dir)"
+        run: echo "PIP_CACHE_DIR=$(pip cache dir)" >> $GITHUB_ENV
       - name: extract pip cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
-          path: ${{ steps.pip-cache.outputs.dir }}
+          path: ${{ env.PIP_CACHE_DIR }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-pip-
       - id: os-name
-        uses: ASzc/change-string-case-action@v1
+        uses: ASzc/change-string-case-action@v5
         with:
           string: ${{ runner.os }}
-      - run: pip install --user --upgrade pip wheel
+      - run: python -m pip install --user --upgrade pip wheel
       - if: startsWith(runner.os, 'linux')
-        run: pip install -e .[torrent,test]
+        run: pip install -e .[test]
       - if: startsWith(runner.os, 'linux')
         env:
           HOME: /tmp
@@ -72,7 +72,7 @@ jobs:
 
   tests-integration:
     name: "tests / integration"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         test:
@@ -81,8 +81,6 @@ jobs:
           - claims
           - takeovers
           - transactions
-          - claims_legacy_search
-          - takeovers_legacy_search
           - other
     steps:
       - name: Configure sysctl limits
@@ -95,16 +93,16 @@ jobs:
         uses: elastic/elastic-github-actions/elasticsearch@master
         with:
           stack-version: 7.12.1
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v4
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - if: matrix.test == 'other'
         run: |
           sudo apt-get update
           sudo apt-get install -y --no-install-recommends ffmpeg
       - name: extract pip cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ./.tox
           key: tox-integration-${{ matrix.test }}-${{ hashFiles('setup.py') }}
@@ -125,7 +123,7 @@ jobs:
 
   coverage:
     needs: ["tests-unit", "tests-integration"]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: finalize coverage report submission
         env:
@@ -140,29 +138,29 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu-18.04
+          - ubuntu-20.04
           - macos-latest
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v4
         with:
-          python-version: '3.7'
+          python-version: '3.9'
       - id: os-name
-        uses: ASzc/change-string-case-action@v1
+        uses: ASzc/change-string-case-action@v5
         with:
           string: ${{ runner.os }}
       - name: set pip cache dir
-        id: pip-cache
+        shell: bash
-        run: echo "::set-output name=dir::$(pip cache dir)"
+        run: echo "PIP_CACHE_DIR=$(pip cache dir)" >> $GITHUB_ENV
       - name: extract pip cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
-          path: ${{ steps.pip-cache.outputs.dir }}
+          path: ${{ env.PIP_CACHE_DIR }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-pip-
-      - run: pip install pyinstaller==4.4
+      - run: pip install pyinstaller==4.6
       - run: pip install -e .
       - if: startsWith(github.ref, 'refs/tags/v')
         run: python docker/set_build.py
@@ -177,7 +175,7 @@ jobs:
           pip install pywin32==301
           pyinstaller --additional-hooks-dir=scripts/. --icon=icons/lbry256.ico --onefile --name lbrynet lbry/extras/cli.py
           dist/lbrynet.exe --version
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: lbrynet-${{ steps.os-name.outputs.lowercase }}
           path: dist/
@@ -186,7 +184,7 @@ jobs:
     name: "release"
     if: startsWith(github.ref, 'refs/tags/v')
     needs: ["build"]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v1
       - uses: actions/download-artifact@v2

.github/workflows/release.yml

@@ -7,7 +7,7 @@ on:
 jobs:
   release:
     name: "slack notification"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: LoveToKnow/slackify-markdown-action@v1.0.0
         id: markdown

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015-2020 LBRY Inc
+Copyright (c) 2015-2022 LBRY Inc
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the
 "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish,

docker/Dockerfile.dht_node

@@ -2,6 +2,7 @@ FROM debian:10-slim
 
 ARG user=lbry
 ARG projects_dir=/home/$user
+ARG db_dir=/database
 
 ARG DOCKER_TAG
 ARG DOCKER_COMMIT=docker
@@ -27,12 +28,16 @@ RUN groupadd -g 999 $user && useradd -m -u 999 -g $user $user
 
 COPY . $projects_dir
 RUN chown -R $user:$user $projects_dir
+RUN mkdir -p $db_dir
+RUN chown -R $user:$user $db_dir
 
 USER $user
 WORKDIR $projects_dir
 
+RUN python3 -m pip install -U setuptools pip
 RUN make install
 RUN python3 docker/set_build.py
 RUN rm ~/.cache -rf
+VOLUME $db_dir
 ENTRYPOINT ["python3", "scripts/dht_node.py"]
 

lbry/__init__.py

@@ -1,2 +1,2 @@
-__version__ = "0.106.0"
+__version__ = "0.113.0"
 version = tuple(map(int, __version__.split('.')))  # pylint: disable=invalid-name

lbry/blob/blob_file.py

@@ -87,8 +87,8 @@ class AbstractBlob:
         self.blob_completed_callback = blob_completed_callback
         self.blob_directory = blob_directory
         self.writers: typing.Dict[typing.Tuple[typing.Optional[str], typing.Optional[int]], HashBlobWriter] = {}
-        self.verified: asyncio.Event = asyncio.Event(loop=self.loop)
+        self.verified: asyncio.Event = asyncio.Event()
-        self.writing: asyncio.Event = asyncio.Event(loop=self.loop)
+        self.writing: asyncio.Event = asyncio.Event()
         self.readers: typing.List[typing.BinaryIO] = []
         self.added_on = added_on or time.time()
         self.is_mine = is_mine
@@ -201,7 +201,7 @@ class AbstractBlob:
         writer = blob.get_blob_writer()
         writer.write(blob_bytes)
         await blob.verified.wait()
-        return BlobInfo(blob_num, length, binascii.hexlify(iv).decode(), blob_hash, added_on, is_mine)
+        return BlobInfo(blob_num, length, binascii.hexlify(iv).decode(), added_on, blob_hash, is_mine)
 
     def save_verified_blob(self, verified_bytes: bytes):
         if self.verified.is_set():
@@ -222,7 +222,7 @@ class AbstractBlob:
                         peer_port: typing.Optional[int] = None) -> HashBlobWriter:
         if (peer_address, peer_port) in self.writers and not self.writers[(peer_address, peer_port)].closed():
             raise OSError(f"attempted to download blob twice from {peer_address}:{peer_port}")
-        fut = asyncio.Future(loop=self.loop)
+        fut = asyncio.Future()
         writer = HashBlobWriter(self.blob_hash, self.get_length, fut)
         self.writers[(peer_address, peer_port)] = writer
 

lbry/blob/blob_info.py

@@ -12,8 +12,8 @@ class BlobInfo:
     ]
 
     def __init__(
-            self, blob_num: int, length: int, iv: str,
+            self, blob_num: int, length: int, iv: str, added_on,
-             blob_hash: typing.Optional[str] = None, added_on=0, is_mine=False):
+             blob_hash: typing.Optional[str] = None, is_mine=False):
         self.blob_hash = blob_hash
         self.blob_num = blob_num
         self.length = length

lbry/blob/blob_manager.py

@@ -83,6 +83,8 @@ class BlobManager:
         to_add = await self.storage.sync_missing_blobs(in_blobfiles_dir)
         if to_add:
             self.completed_blob_hashes.update(to_add)
+        # check blobs that aren't set as finished but were seen on disk
+        await self.ensure_completed_blobs_status(in_blobfiles_dir - to_add)
         if self.config.track_bandwidth:
             self.connection_manager.start()
         return True
@@ -113,9 +115,18 @@ class BlobManager:
                 (blob.blob_hash, blob.length, blob.added_on, blob.is_mine), finished=False)
             )
 
-    def check_completed_blobs(self, blob_hashes: typing.List[str]) -> typing.List[str]:
+    async def ensure_completed_blobs_status(self, blob_hashes: typing.Iterable[str]):
-        """Returns of the blobhashes_to_check, which are valid"""
+        """Ensures that completed blobs from a given list of blob hashes are set as 'finished' in the database."""
-        return [blob_hash for blob_hash in blob_hashes if self.is_blob_verified(blob_hash)]
+        to_add = []
+        for blob_hash in blob_hashes:
+            if not self.is_blob_verified(blob_hash):
+                continue
+            blob = self.get_blob(blob_hash)
+            to_add.append((blob.blob_hash, blob.length, blob.added_on, blob.is_mine))
+            if len(to_add) > 500:
+                await self.storage.add_blobs(*to_add, finished=True)
+                to_add.clear()
+        return await self.storage.add_blobs(*to_add, finished=True)
 
     def delete_blob(self, blob_hash: str):
         if not is_valid_blobhash(blob_hash):

lbry/blob_exchange/client.py

@@ -32,7 +32,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
         self.buf = b''
 
         # this is here to handle the race when the downloader is closed right as response_fut gets a result
-        self.closed = asyncio.Event(loop=self.loop)
+        self.closed = asyncio.Event()
 
     def data_received(self, data: bytes):
         if self.connection_manager:
@@ -111,7 +111,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
             self.transport.write(msg)
             if self.connection_manager:
                 self.connection_manager.sent_data(f"{self.peer_address}:{self.peer_port}", len(msg))
-            response: BlobResponse = await asyncio.wait_for(self._response_fut, self.peer_timeout, loop=self.loop)
+            response: BlobResponse = await asyncio.wait_for(self._response_fut, self.peer_timeout)
             availability_response = response.get_availability_response()
             price_response = response.get_price_response()
             blob_response = response.get_blob_response()
@@ -151,7 +151,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
                 f" timeout in {self.peer_timeout}"
             log.debug(msg)
             msg = f"downloaded {self.blob.blob_hash[:8]} from {self.peer_address}:{self.peer_port}"
-            await asyncio.wait_for(self.writer.finished, self.peer_timeout, loop=self.loop)
+            await asyncio.wait_for(self.writer.finished, self.peer_timeout)
             # wait for the io to finish
             await self.blob.verified.wait()
             log.info("%s at %fMB/s", msg,
@@ -187,7 +187,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
         try:
             self._blob_bytes_received = 0
             self.blob, self.writer = blob, blob.get_blob_writer(self.peer_address, self.peer_port)
-            self._response_fut = asyncio.Future(loop=self.loop)
+            self._response_fut = asyncio.Future()
             return await self._download_blob()
         except OSError:
             # i'm not sure how to fix this race condition - jack
@@ -244,7 +244,7 @@ async def request_blob(loop: asyncio.AbstractEventLoop, blob: Optional['Abstract
     try:
         if not connected_protocol:
             await asyncio.wait_for(loop.create_connection(lambda: protocol, address, tcp_port),
-                                   peer_connect_timeout, loop=loop)
+                                   peer_connect_timeout)
             connected_protocol = protocol
         if blob is None or blob.get_is_verified() or not blob.is_writeable():
             # blob is None happens when we are just opening a connection

lbry/blob_exchange/downloader.py

@@ -30,7 +30,7 @@ class BlobDownloader:
         self.failures: typing.Dict['KademliaPeer', int] = {}
         self.connection_failures: typing.Set['KademliaPeer'] = set()
         self.connections: typing.Dict['KademliaPeer', 'BlobExchangeClientProtocol'] = {}
-        self.is_running = asyncio.Event(loop=self.loop)
+        self.is_running = asyncio.Event()
 
     def should_race_continue(self, blob: 'AbstractBlob'):
         max_probes = self.config.max_connections_per_download * (1 if self.connections else 10)
@@ -64,8 +64,8 @@ class BlobDownloader:
             self.scores[peer] = bytes_received / elapsed if bytes_received and elapsed else 1
 
     async def new_peer_or_finished(self):
-        active_tasks = list(self.active_connections.values()) + [asyncio.sleep(1)]
+        active_tasks = list(self.active_connections.values()) + [asyncio.create_task(asyncio.sleep(1))]
-        await asyncio.wait(active_tasks, loop=self.loop, return_when='FIRST_COMPLETED')
+        await asyncio.wait(active_tasks, return_when='FIRST_COMPLETED')
 
     def cleanup_active(self):
         if not self.active_connections and not self.connections:
@@ -126,7 +126,7 @@ class BlobDownloader:
 
 async def download_blob(loop, config: 'Config', blob_manager: 'BlobManager', dht_node: 'Node',
                         blob_hash: str) -> 'AbstractBlob':
-    search_queue = asyncio.Queue(loop=loop, maxsize=config.max_connections_per_download)
+    search_queue = asyncio.Queue(maxsize=config.max_connections_per_download)
     search_queue.put_nowait(blob_hash)
     peer_queue, accumulate_task = dht_node.accumulate_peers(search_queue)
     fixed_peers = None if not config.fixed_peers else await get_kademlia_peers_from_hosts(config.fixed_peers)

lbry/blob_exchange/server.py

@@ -1,6 +1,7 @@
 import asyncio
 import binascii
 import logging
+import socket
 import typing
 from json.decoder import JSONDecodeError
 from lbry.blob_exchange.serialization import BlobResponse, BlobRequest, blob_response_types
@@ -24,19 +25,19 @@ class BlobServerProtocol(asyncio.Protocol):
         self.idle_timeout = idle_timeout
         self.transfer_timeout = transfer_timeout
         self.server_task: typing.Optional[asyncio.Task] = None
-        self.started_listening = asyncio.Event(loop=self.loop)
+        self.started_listening = asyncio.Event()
         self.buf = b''
         self.transport: typing.Optional[asyncio.Transport] = None
         self.lbrycrd_address = lbrycrd_address
         self.peer_address_and_port: typing.Optional[str] = None
-        self.started_transfer = asyncio.Event(loop=self.loop)
+        self.started_transfer = asyncio.Event()
-        self.transfer_finished = asyncio.Event(loop=self.loop)
+        self.transfer_finished = asyncio.Event()
         self.close_on_idle_task: typing.Optional[asyncio.Task] = None
 
     async def close_on_idle(self):
         while self.transport:
             try:
-                await asyncio.wait_for(self.started_transfer.wait(), self.idle_timeout, loop=self.loop)
+                await asyncio.wait_for(self.started_transfer.wait(), self.idle_timeout)
             except asyncio.TimeoutError:
                 log.debug("closing idle connection from %s", self.peer_address_and_port)
                 return self.close()
@@ -100,7 +101,7 @@ class BlobServerProtocol(asyncio.Protocol):
                 log.debug("send %s to %s:%i", blob_hash, peer_address, peer_port)
                 self.started_transfer.set()
                 try:
-                    sent = await asyncio.wait_for(blob.sendfile(self), self.transfer_timeout, loop=self.loop)
+                    sent = await asyncio.wait_for(blob.sendfile(self), self.transfer_timeout)
                     if sent and sent > 0:
                         self.blob_manager.connection_manager.sent_data(self.peer_address_and_port, sent)
                         log.info("sent %s (%i bytes) to %s:%i", blob_hash, sent, peer_address, peer_port)
@@ -137,7 +138,7 @@ class BlobServerProtocol(asyncio.Protocol):
             try:
                 request = BlobRequest.deserialize(self.buf + data)
                 self.buf = remainder
-            except JSONDecodeError:
+            except (UnicodeDecodeError, JSONDecodeError):
                 log.error("request from %s is not valid json (%i bytes): %s", self.peer_address_and_port,
                           len(self.buf + data), '' if not data else binascii.hexlify(self.buf + data).decode())
                 self.close()
@@ -156,7 +157,7 @@ class BlobServer:
         self.loop = loop
         self.blob_manager = blob_manager
         self.server_task: typing.Optional[asyncio.Task] = None
-        self.started_listening = asyncio.Event(loop=self.loop)
+        self.started_listening = asyncio.Event()
         self.lbrycrd_address = lbrycrd_address
         self.idle_timeout = idle_timeout
         self.transfer_timeout = transfer_timeout
@@ -167,6 +168,13 @@ class BlobServer:
             raise Exception("already running")
 
         async def _start_server():
+            # checking if the port is in use
+            # thx https://stackoverflow.com/a/52872579
+            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+                if s.connect_ex(('localhost', port)) == 0:
+                    # the port is already in use!
+                    log.error("Failed to bind TCP %s:%d", interface, port)
+
             server = await self.loop.create_server(
                 lambda: self.server_protocol_class(self.loop, self.blob_manager, self.lbrycrd_address,
                                                    self.idle_timeout, self.transfer_timeout),

lbry/conf.py

@@ -624,6 +624,10 @@ class Config(CLIConfig):
         "will increase. This setting is used by seed nodes, you probably don't want to change it during normal "
         "use.", 2
     )
+    is_bootstrap_node = Toggle(
+        "When running as a bootstrap node, disable all logic related to balancing the routing table, so we can "
+        "add as many peers as possible and better help first-runs.", False
+    )
 
     # protocol timeouts
     download_timeout = Float("Cumulative timeout for a stream to begin downloading before giving up", 30.0)
@@ -681,6 +685,14 @@ class Config(CLIConfig):
         ('cdn.reflector.lbry.com', 5567)
     ])
 
+    tracker_servers = Servers("BitTorrent-compatible (BEP15) UDP trackers for helping P2P discovery", [
+        ('tracker.lbry.com', 9252),
+        ('tracker.lbry.grin.io', 9252),
+        ('tracker.lbry.pigg.es', 9252),
+        ('tracker.lizard.technology', 9252),
+        ('s1.lbry.network', 9252),
+    ])
+
     lbryum_servers = Servers("SPV wallet servers", [
         ('spv11.lbry.com', 50001),
         ('spv12.lbry.com', 50001),
@@ -691,14 +703,20 @@ class Config(CLIConfig):
         ('spv17.lbry.com', 50001),
         ('spv18.lbry.com', 50001),
         ('spv19.lbry.com', 50001),
+        ('hub.lbry.grin.io', 50001),
+        ('hub.lizard.technology', 50001),
+        ('s1.lbry.network', 50001),
     ])
     known_dht_nodes = Servers("Known nodes for bootstrapping connection to the DHT", [
         ('dht.lbry.grin.io', 4444),  # Grin
         ('dht.lbry.madiator.com', 4444),  # Madiator
+        ('dht.lbry.pigg.es', 4444), # Pigges
         ('lbrynet1.lbry.com', 4444),  # US EAST
         ('lbrynet2.lbry.com', 4444),  # US WEST
         ('lbrynet3.lbry.com', 4444),  # EU
-        ('lbrynet4.lbry.com', 4444)  # ASIA
+        ('lbrynet4.lbry.com', 4444),  # ASIA
+        ('dht.lizard.technology', 4444),  # Jack
+        ('s2.lbry.network', 4444),
     ])
 
     # blockchain

lbry/connection_manager.py

@@ -67,7 +67,7 @@ class ConnectionManager:
 
         while True:
             last = time.perf_counter()
-            await asyncio.sleep(0.1, loop=self.loop)
+            await asyncio.sleep(0.1)
             self._status['incoming_bps'].clear()
             self._status['outgoing_bps'].clear()
             now = time.perf_counter()

lbry/dht/blob_announcer.py

@@ -42,15 +42,13 @@ class BlobAnnouncer:
                     log.debug("failed to announce %s, could only find %d peers, retrying soon.", blob_hash[:8], peers)
             except Exception as err:
                 self.announcements_sent_metric.labels(peers=0, error=True).inc()
-                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                    raise err
                 log.warning("error announcing %s: %s", blob_hash[:8], str(err))
 
     async def _announce(self, batch_size: typing.Optional[int] = 10):
         while batch_size:
             if not self.node.joined.is_set():
                 await self.node.joined.wait()
-            await asyncio.sleep(60, loop=self.loop)
+            await asyncio.sleep(60)
             if not self.node.protocol.routing_table.get_peers():
                 log.warning("No peers in DHT, announce round skipped")
                 continue
@@ -59,7 +57,7 @@ class BlobAnnouncer:
             log.debug("announcer task wake up, %d blobs to announce", len(self.announce_queue))
             while len(self.announce_queue) > 0:
                 log.info("%i blobs to announce", len(self.announce_queue))
-                await asyncio.gather(*[self._run_consumer() for _ in range(batch_size)], loop=self.loop)
+                await asyncio.gather(*[self._run_consumer() for _ in range(batch_size)])
                 announced = list(filter(None, self.announced))
                 if announced:
                     await self.storage.update_last_announced_blobs(announced)

lbry/dht/node.py

@@ -5,7 +5,7 @@ import socket
 
 from prometheus_client import Gauge
 
-from lbry.utils import resolve_host
+from lbry.utils import aclosing, resolve_host
 from lbry.dht import constants
 from lbry.dht.peer import make_kademlia_peer
 from lbry.dht.protocol.distance import Distance
@@ -30,14 +30,14 @@ class Node:
     )
     def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager', node_id: bytes, udp_port: int,
                  internal_udp_port: int, peer_port: int, external_ip: str, rpc_timeout: float = constants.RPC_TIMEOUT,
-                 split_buckets_under_index: int = constants.SPLIT_BUCKETS_UNDER_INDEX,
+                 split_buckets_under_index: int = constants.SPLIT_BUCKETS_UNDER_INDEX, is_bootstrap_node: bool = False,
                  storage: typing.Optional['SQLiteStorage'] = None):
         self.loop = loop
         self.internal_udp_port = internal_udp_port
         self.protocol = KademliaProtocol(loop, peer_manager, node_id, external_ip, udp_port, peer_port, rpc_timeout,
-                                         split_buckets_under_index)
+                                         split_buckets_under_index, is_bootstrap_node)
         self.listening_port: asyncio.DatagramTransport = None
-        self.joined = asyncio.Event(loop=self.loop)
+        self.joined = asyncio.Event()
         self._join_task: asyncio.Task = None
         self._refresh_task: asyncio.Task = None
         self._storage = storage
@@ -70,13 +70,6 @@ class Node:
 
             # get ids falling in the midpoint of each bucket that hasn't been recently updated
             node_ids = self.protocol.routing_table.get_refresh_list(0, True)
-            # if we have 3 or fewer populated buckets get two random ids in the range of each to try and
-            # populate/split the buckets further
-            buckets_with_contacts = self.protocol.routing_table.buckets_with_contacts()
-            if buckets_with_contacts <= 3:
-                for i in range(buckets_with_contacts):
-                    node_ids.append(self.protocol.routing_table.random_id_in_bucket_range(i))
-                    node_ids.append(self.protocol.routing_table.random_id_in_bucket_range(i))
 
             if self.protocol.routing_table.get_peers():
                 # if we have node ids to look up, perform the iterative search until we have k results
@@ -86,7 +79,7 @@ class Node:
             else:
                 if force_once:
                     break
-                fut = asyncio.Future(loop=self.loop)
+                fut = asyncio.Future()
                 self.loop.call_later(constants.REFRESH_INTERVAL // 4, fut.set_result, None)
                 await fut
                 continue
@@ -100,7 +93,7 @@ class Node:
             if force_once:
                 break
 
-            fut = asyncio.Future(loop=self.loop)
+            fut = asyncio.Future()
             self.loop.call_later(constants.REFRESH_INTERVAL, fut.set_result, None)
             await fut
 
@@ -115,7 +108,7 @@ class Node:
         for peer in peers:
             log.debug("store to %s %s %s", peer.address, peer.udp_port, peer.tcp_port)
         stored_to_tup = await asyncio.gather(
-            *(self.protocol.store_to_peer(hash_value, peer) for peer in peers), loop=self.loop
+            *(self.protocol.store_to_peer(hash_value, peer) for peer in peers)
         )
         stored_to = [node_id for node_id, contacted in stored_to_tup if contacted]
         if stored_to:
@@ -189,36 +182,35 @@ class Node:
                             for address, udp_port in known_node_urls or []
                         ]))
                     except socket.gaierror:
-                        await asyncio.sleep(30, loop=self.loop)
+                        await asyncio.sleep(30)
                         continue
 
                 self.protocol.peer_manager.reset()
                 self.protocol.ping_queue.enqueue_maybe_ping(*seed_peers, delay=0.0)
                 await self.peer_search(self.protocol.node_id, shortlist=seed_peers, count=32)
 
-            await asyncio.sleep(1, loop=self.loop)
+            await asyncio.sleep(1)
 
     def start(self, interface: str, known_node_urls: typing.Optional[typing.List[typing.Tuple[str, int]]] = None):
         self._join_task = self.loop.create_task(self.join_network(interface, known_node_urls))
 
     def get_iterative_node_finder(self, key: bytes, shortlist: typing.Optional[typing.List['KademliaPeer']] = None,
                                   max_results: int = constants.K) -> IterativeNodeFinder:
-
+        shortlist = shortlist or self.protocol.routing_table.find_close_peers(key)
-        return IterativeNodeFinder(self.loop, self.protocol.peer_manager, self.protocol.routing_table, self.protocol,
+        return IterativeNodeFinder(self.loop, self.protocol, key, max_results, shortlist)
-                                   key, max_results, None, shortlist)
 
     def get_iterative_value_finder(self, key: bytes, shortlist: typing.Optional[typing.List['KademliaPeer']] = None,
                                    max_results: int = -1) -> IterativeValueFinder:
-
+        shortlist = shortlist or self.protocol.routing_table.find_close_peers(key)
-        return IterativeValueFinder(self.loop, self.protocol.peer_manager, self.protocol.routing_table, self.protocol,
+        return IterativeValueFinder(self.loop, self.protocol, key, max_results, shortlist)
-                                    key, max_results, None, shortlist)
 
     async def peer_search(self, node_id: bytes, count=constants.K, max_results=constants.K * 2,
                           shortlist: typing.Optional[typing.List['KademliaPeer']] = None
                           ) -> typing.List['KademliaPeer']:
         peers = []
-        async for iteration_peers in self.get_iterative_node_finder(
+        async with aclosing(self.get_iterative_node_finder(
-                node_id, shortlist=shortlist, max_results=max_results):
+                node_id, shortlist=shortlist, max_results=max_results)) as node_finder:
+            async for iteration_peers in node_finder:
                 peers.extend(iteration_peers)
         distance = Distance(node_id)
         peers.sort(key=lambda peer: distance(peer.node_id))
@@ -245,8 +237,8 @@ class Node:
 
         # prioritize peers who reply to a dht ping first
         # this minimizes attempting to make tcp connections that won't work later to dead or unreachable peers
-
+        async with aclosing(self.get_iterative_value_finder(bytes.fromhex(blob_hash))) as value_finder:
-        async for results in self.get_iterative_value_finder(bytes.fromhex(blob_hash)):
+            async for results in value_finder:
                 to_put = []
                 for peer in results:
                     if peer.address == self.protocol.external_ip and self.protocol.peer_port == peer.tcp_port:
@@ -279,7 +271,7 @@ class Node:
     def accumulate_peers(self, search_queue: asyncio.Queue,
                          peer_queue: typing.Optional[asyncio.Queue] = None
                          ) -> typing.Tuple[asyncio.Queue, asyncio.Task]:
-        queue = peer_queue or asyncio.Queue(loop=self.loop)
+        queue = peer_queue or asyncio.Queue()
         return queue, self.loop.create_task(self._accumulate_peers_for_value(search_queue, queue))
 
 

lbry/dht/peer.py

@@ -100,6 +100,9 @@ class PeerManager:
         self._node_id_reverse_mapping[node_id] = (address, udp_port)
         self.peer_manager_keys_metric.labels("global").set(self.count_cache_keys())
 
+    def get_node_id_for_endpoint(self, address, port):
+        return self._node_id_mapping.get((address, port))
+
     def prune(self):  # TODO: periodically call this
         now = self._loop.time()
         to_pop = []
@@ -150,7 +153,8 @@ class PeerManager:
     def peer_is_good(self, peer: 'KademliaPeer'):
         return self.contact_triple_is_good(peer.node_id, peer.address, peer.udp_port)
 
-    def decode_tcp_peer_from_compact_address(self, compact_address: bytes) -> 'KademliaPeer':  # pylint: disable=no-self-use
+
+def decode_tcp_peer_from_compact_address(compact_address: bytes) -> 'KademliaPeer':  # pylint: disable=no-self-use
     node_id, address, tcp_port = decode_compact_address(compact_address)
     return make_kademlia_peer(node_id, address, udp_port=None, tcp_port=tcp_port)
 

lbry/dht/protocol/iterative_find.py

@@ -1,17 +1,17 @@
 import asyncio
 from itertools import chain
 from collections import defaultdict, OrderedDict
+from collections.abc import AsyncIterator
 import typing
 import logging
 from typing import TYPE_CHECKING
 from lbry.dht import constants
 from lbry.dht.error import RemoteException, TransportNotConnected
 from lbry.dht.protocol.distance import Distance
-from lbry.dht.peer import make_kademlia_peer
+from lbry.dht.peer import make_kademlia_peer, decode_tcp_peer_from_compact_address
 from lbry.dht.serialization.datagram import PAGE_KEY
 
 if TYPE_CHECKING:
-    from lbry.dht.protocol.routing_table import TreeRoutingTable
     from lbry.dht.protocol.protocol import KademliaProtocol
     from lbry.dht.peer import PeerManager, KademliaPeer
 
@@ -26,6 +26,15 @@ class FindResponse:
     def get_close_triples(self) -> typing.List[typing.Tuple[bytes, str, int]]:
         raise NotImplementedError()
 
+    def get_close_kademlia_peers(self, peer_info) -> typing.Generator[typing.Iterator['KademliaPeer'], None, None]:
+        for contact_triple in self.get_close_triples():
+            node_id, address, udp_port = contact_triple
+            try:
+                yield make_kademlia_peer(node_id, address, udp_port)
+            except ValueError:
+                log.warning("misbehaving peer %s:%i returned peer with reserved ip %s:%i", peer_info.address,
+                            peer_info.udp_port, address, udp_port)
+
 
 class FindNodeResponse(FindResponse):
     def __init__(self, key: bytes, close_triples: typing.List[typing.Tuple[bytes, str, int]]):
@@ -56,49 +65,31 @@ class FindValueResponse(FindResponse):
         return [(node_id, address.decode(), port) for node_id, address, port in self.close_triples]
 
 
-def get_shortlist(routing_table: 'TreeRoutingTable', key: bytes,
+class IterativeFinder(AsyncIterator):
-                  shortlist: typing.Optional[typing.List['KademliaPeer']]) -> typing.List['KademliaPeer']:
+    def __init__(self, loop: asyncio.AbstractEventLoop,
-    """
+                 protocol: 'KademliaProtocol', key: bytes,
-    If not provided, initialize the shortlist of peers to probe to the (up to) k closest peers in the routing table
-
-    :param routing_table: a TreeRoutingTable
-    :param key: a 48 byte hash
-    :param shortlist: optional manually provided shortlist, this is done during bootstrapping when there are no
-                      peers in the routing table. During bootstrap the shortlist is set to be the seed nodes.
-    """
-    if len(key) != constants.HASH_LENGTH:
-        raise ValueError("invalid key length: %i" % len(key))
-    return shortlist or routing_table.find_close_peers(key)
-
-
-class IterativeFinder:
-    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager',
-                 routing_table: 'TreeRoutingTable', protocol: 'KademliaProtocol', key: bytes,
                  max_results: typing.Optional[int] = constants.K,
-                 exclude: typing.Optional[typing.List[typing.Tuple[str, int]]] = None,
                  shortlist: typing.Optional[typing.List['KademliaPeer']] = None):
         if len(key) != constants.HASH_LENGTH:
             raise ValueError("invalid key length: %i" % len(key))
         self.loop = loop
-        self.peer_manager = peer_manager
+        self.peer_manager = protocol.peer_manager
-        self.routing_table = routing_table
         self.protocol = protocol
 
         self.key = key
         self.max_results = max(constants.K, max_results)
-        self.exclude = exclude or []
 
         self.active: typing.Dict['KademliaPeer', int] = OrderedDict()  # peer: distance, sorted
         self.contacted: typing.Set['KademliaPeer'] = set()
         self.distance = Distance(key)
 
-        self.iteration_queue = asyncio.Queue(loop=self.loop)
+        self.iteration_queue = asyncio.Queue()
 
         self.running_probes: typing.Dict['KademliaPeer', asyncio.Task] = {}
         self.iteration_count = 0
         self.running = False
         self.tasks: typing.List[asyncio.Task] = []
-        for peer in get_shortlist(routing_table, key, shortlist):
+        for peer in shortlist:
             if peer.node_id:
                 self._add_active(peer, force=True)
             else:
@@ -143,15 +134,10 @@ class IterativeFinder:
 
     async def _handle_probe_result(self, peer: 'KademliaPeer', response: FindResponse):
         self._add_active(peer)
-        for contact_triple in response.get_close_triples():
+        for new_peer in response.get_close_kademlia_peers(peer):
-            node_id, address, udp_port = contact_triple
+            self._add_active(new_peer)
-            try:
-                self._add_active(make_kademlia_peer(node_id, address, udp_port))
-            except ValueError:
-                log.warning("misbehaving peer %s:%i returned peer with reserved ip %s:%i", peer.address,
-                            peer.udp_port, address, udp_port)
         self.check_result_ready(response)
-        self._log_state()
+        self._log_state(reason="check result")
 
     def _reset_closest(self, peer):
         if peer in self.active:
@@ -163,12 +149,17 @@ class IterativeFinder:
         except asyncio.TimeoutError:
             self._reset_closest(peer)
             return
+        except asyncio.CancelledError:
+            log.debug("%s[%x] cancelled probe",
+                      type(self).__name__, id(self))
+            raise
         except ValueError as err:
             log.warning(str(err))
             self._reset_closest(peer)
             return
         except TransportNotConnected:
-            return self.aclose()
+            await self._aclose(reason="not connected")
+            return
         except RemoteException:
             self._reset_closest(peer)
             return
@@ -182,7 +173,9 @@ class IterativeFinder:
         added = 0
         for index, peer in enumerate(self.active.keys()):
             if index == 0:
-                log.debug("closest to probe: %s", peer.node_id.hex()[:8])
+                log.debug("%s[%x] closest to probe: %s",
+                          type(self).__name__, id(self),
+                          peer.node_id.hex()[:8])
             if peer in self.contacted:
                 continue
             if len(self.running_probes) >= constants.ALPHA:
@@ -190,17 +183,19 @@ class IterativeFinder:
             if index > (constants.K + len(self.running_probes)):
                 break
             origin_address = (peer.address, peer.udp_port)
-            if origin_address in self.exclude:
-                continue
             if peer.node_id == self.protocol.node_id:
                 continue
             if origin_address == (self.protocol.external_ip, self.protocol.udp_port):
                 continue
             self._schedule_probe(peer)
             added += 1
-        log.debug("running %d probes for key %s", len(self.running_probes), self.key.hex()[:8])
+        log.debug("%s[%x] running %d probes for key %s",
+                  type(self).__name__, id(self),
+                  len(self.running_probes), self.key.hex()[:8])
         if not added and not self.running_probes:
-            log.debug("search for %s exhausted", self.key.hex()[:8])
+            log.debug("%s[%x] search for %s exhausted",
+                      type(self).__name__, id(self),
+                      self.key.hex()[:8])
             self.search_exhausted()
 
     def _schedule_probe(self, peer: 'KademliaPeer'):
@@ -216,9 +211,11 @@ class IterativeFinder:
         t.add_done_callback(callback)
         self.running_probes[peer] = t
 
-    def _log_state(self):
+    def _log_state(self, reason="?"):
-        log.debug("[%s] check result: %i active nodes %i contacted",
+        log.debug("%s[%x] [%s] %s: %i active nodes %i contacted %i produced %i queued",
-                  self.key.hex()[:8], len(self.active), len(self.contacted))
+                  type(self).__name__, id(self), self.key.hex()[:8],
+                  reason, len(self.active), len(self.contacted),
+                  self.iteration_count, self.iteration_queue.qsize())
 
     def __aiter__(self):
         if self.running:
@@ -237,11 +234,18 @@ class IterativeFinder:
                 raise StopAsyncIteration
             self.iteration_count += 1
             return result
-        except (asyncio.CancelledError, StopAsyncIteration):
+        except asyncio.CancelledError:
-            self.loop.call_soon(self.aclose)
+            await self._aclose(reason="cancelled")
+            raise
+        except StopAsyncIteration:
+            await self._aclose(reason="no more results")
             raise
 
-    def aclose(self):
+    async def _aclose(self, reason="?"):
+        log.debug("%s[%x] [%s] shutdown because %s: %i active nodes %i contacted %i produced %i queued",
+                  type(self).__name__, id(self), self.key.hex()[:8],
+                  reason, len(self.active), len(self.contacted),
+                  self.iteration_count, self.iteration_queue.qsize())
         self.running = False
         self.iteration_queue.put_nowait(None)
         for task in chain(self.tasks, self.running_probes.values()):
@@ -249,15 +253,18 @@ class IterativeFinder:
         self.tasks.clear()
         self.running_probes.clear()
 
+    async def aclose(self):
+        if self.running:
+            await self._aclose(reason="aclose")
+        log.debug("%s[%x] [%s] async close completed",
+                  type(self).__name__, id(self), self.key.hex()[:8])
 
 class IterativeNodeFinder(IterativeFinder):
-    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop,
-                 routing_table: 'TreeRoutingTable', protocol: 'KademliaProtocol', key: bytes,
+                 protocol: 'KademliaProtocol', key: bytes,
                  max_results: typing.Optional[int] = constants.K,
-                 exclude: typing.Optional[typing.List[typing.Tuple[str, int]]] = None,
                  shortlist: typing.Optional[typing.List['KademliaPeer']] = None):
-        super().__init__(loop, peer_manager, routing_table, protocol, key, max_results, exclude,
+        super().__init__(loop, protocol, key, max_results, shortlist)
-                         shortlist)
         self.yielded_peers: typing.Set['KademliaPeer'] = set()
 
     async def send_probe(self, peer: 'KademliaPeer') -> FindNodeResponse:
@@ -293,13 +300,11 @@ class IterativeNodeFinder(IterativeFinder):
 
 
 class IterativeValueFinder(IterativeFinder):
-    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop,
-                 routing_table: 'TreeRoutingTable', protocol: 'KademliaProtocol', key: bytes,
+                 protocol: 'KademliaProtocol', key: bytes,
                  max_results: typing.Optional[int] = constants.K,
-                 exclude: typing.Optional[typing.List[typing.Tuple[str, int]]] = None,
                  shortlist: typing.Optional[typing.List['KademliaPeer']] = None):
-        super().__init__(loop, peer_manager, routing_table, protocol, key, max_results, exclude,
+        super().__init__(loop, protocol, key, max_results, shortlist)
-                         shortlist)
         self.blob_peers: typing.Set['KademliaPeer'] = set()
         # this tracks the index of the most recent page we requested from each peer
         self.peer_pages: typing.DefaultDict['KademliaPeer', int] = defaultdict(int)
@@ -318,7 +323,7 @@ class IterativeValueFinder(IterativeFinder):
         decoded_peers = set()
         for compact_addr in parsed.found_compact_addresses:
             try:
-                decoded_peers.add(self.peer_manager.decode_tcp_peer_from_compact_address(compact_addr))
+                decoded_peers.add(decode_tcp_peer_from_compact_address(compact_addr))
             except ValueError:
                 log.warning("misbehaving peer %s:%i returned invalid peer for blob",
                             peer.address, peer.udp_port)
@@ -340,7 +345,7 @@ class IterativeValueFinder(IterativeFinder):
 
     def check_result_ready(self, response: FindValueResponse):
         if response.found:
-            blob_peers = [self.peer_manager.decode_tcp_peer_from_compact_address(compact_addr)
+            blob_peers = [decode_tcp_peer_from_compact_address(compact_addr)
                           for compact_addr in response.found_compact_addresses]
             to_yield = []
             for blob_peer in blob_peers:

lbry/dht/protocol/protocol.py

@@ -218,6 +218,10 @@ class PingQueue:
     def running(self):
         return self._running
 
+    @property
+    def busy(self):
+        return self._running and (any(self._running_pings) or any(self._pending_contacts))
+
     def enqueue_maybe_ping(self, *peers: 'KademliaPeer', delay: typing.Optional[float] = None):
         delay = delay if delay is not None else self._default_delay
         now = self._loop.time()
@@ -229,7 +233,7 @@ class PingQueue:
         async def ping_task():
             try:
                 if self._protocol.peer_manager.peer_is_good(peer):
-                    if peer not in self._protocol.routing_table.get_peers():
+                    if not self._protocol.routing_table.get_peer(peer.node_id):
                         self._protocol.add_peer(peer)
                     return
                 await self._protocol.get_rpc_peer(peer).ping()
@@ -249,7 +253,7 @@ class PingQueue:
                     del self._pending_contacts[peer]
                     self.maybe_ping(peer)
                     break
-            await asyncio.sleep(1, loop=self._loop)
+            await asyncio.sleep(1)
 
     def start(self):
         assert not self._running
@@ -294,7 +298,7 @@ class KademliaProtocol(DatagramProtocol):
 
     def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager', node_id: bytes, external_ip: str,
                  udp_port: int, peer_port: int, rpc_timeout: float = constants.RPC_TIMEOUT,
-                 split_buckets_under_index: int = constants.SPLIT_BUCKETS_UNDER_INDEX):
+                 split_buckets_under_index: int = constants.SPLIT_BUCKETS_UNDER_INDEX, is_boostrap_node: bool = False):
         self.peer_manager = peer_manager
         self.loop = loop
         self.node_id = node_id
@@ -309,15 +313,16 @@ class KademliaProtocol(DatagramProtocol):
         self.transport: DatagramTransport = None
         self.old_token_secret = constants.generate_id()
         self.token_secret = constants.generate_id()
-        self.routing_table = TreeRoutingTable(self.loop, self.peer_manager, self.node_id, split_buckets_under_index)
+        self.routing_table = TreeRoutingTable(
+            self.loop, self.peer_manager, self.node_id, split_buckets_under_index, is_bootstrap_node=is_boostrap_node)
         self.data_store = DictDataStore(self.loop, self.peer_manager)
         self.ping_queue = PingQueue(self.loop, self)
         self.node_rpc = KademliaRPC(self, self.loop, self.peer_port)
         self.rpc_timeout = rpc_timeout
-        self._split_lock = asyncio.Lock(loop=self.loop)
+        self._split_lock = asyncio.Lock()
         self._to_remove: typing.Set['KademliaPeer'] = set()
         self._to_add: typing.Set['KademliaPeer'] = set()
-        self._wakeup_routing_task = asyncio.Event(loop=self.loop)
+        self._wakeup_routing_task = asyncio.Event()
         self.maintaing_routing_task: typing.Optional[asyncio.Task] = None
 
     @functools.lru_cache(128)
@@ -356,72 +361,10 @@ class KademliaProtocol(DatagramProtocol):
         return args, {}
 
     async def _add_peer(self, peer: 'KademliaPeer'):
-        if not peer.node_id:
+        async def probe(some_peer: 'KademliaPeer'):
-            log.warning("Tried adding a peer with no node id!")
+            rpc_peer = self.get_rpc_peer(some_peer)
-            return False
+            await rpc_peer.ping()
-        for my_peer in self.routing_table.get_peers():
+        return await self.routing_table.add_peer(peer, probe)
-            if (my_peer.address, my_peer.udp_port) == (peer.address, peer.udp_port) and my_peer.node_id != peer.node_id:
-                self.routing_table.remove_peer(my_peer)
-                self.routing_table.join_buckets()
-        bucket_index = self.routing_table.kbucket_index(peer.node_id)
-        if self.routing_table.buckets[bucket_index].add_peer(peer):
-            return True
-
-        # The bucket is full; see if it can be split (by checking if its range includes the host node's node_id)
-        if self.routing_table.should_split(bucket_index, peer.node_id):
-            self.routing_table.split_bucket(bucket_index)
-            # Retry the insertion attempt
-            result = await self._add_peer(peer)
-            self.routing_table.join_buckets()
-            return result
-        else:
-            # We can't split the k-bucket
-            #
-            # The 13 page kademlia paper specifies that the least recently contacted node in the bucket
-            # shall be pinged. If it fails to reply it is replaced with the new contact. If the ping is successful
-            # the new contact is ignored and not added to the bucket (sections 2.2 and 2.4).
-            #
-            # A reasonable extension to this is BEP 0005, which extends the above:
-            #
-            #    Not all nodes that we learn about are equal. Some are "good" and some are not.
-            #    Many nodes using the DHT are able to send queries and receive responses,
-            #    but are not able to respond to queries from other nodes. It is important that
-            #    each node's routing table must contain only known good nodes. A good node is
-            #    a node has responded to one of our queries within the last 15 minutes. A node
-            #    is also good if it has ever responded to one of our queries and has sent us a
-            #    query within the last 15 minutes. After 15 minutes of inactivity, a node becomes
-            #    questionable. Nodes become bad when they fail to respond to multiple queries
-            #    in a row. Nodes that we know are good are given priority over nodes with unknown status.
-            #
-            # When there are bad or questionable nodes in the bucket, the least recent is selected for
-            # potential replacement (BEP 0005). When all nodes in the bucket are fresh, the head (least recent)
-            # contact is selected as described in section 2.2 of the kademlia paper. In both cases the new contact
-            # is ignored if the pinged node replies.
-
-            not_good_contacts = self.routing_table.buckets[bucket_index].get_bad_or_unknown_peers()
-            not_recently_replied = []
-            for my_peer in not_good_contacts:
-                last_replied = self.peer_manager.get_last_replied(my_peer.address, my_peer.udp_port)
-                if not last_replied or last_replied + 60 < self.loop.time():
-                    not_recently_replied.append(my_peer)
-            if not_recently_replied:
-                to_replace = not_recently_replied[0]
-            else:
-                to_replace = self.routing_table.buckets[bucket_index].peers[0]
-                last_replied = self.peer_manager.get_last_replied(to_replace.address, to_replace.udp_port)
-                if last_replied and last_replied + 60 > self.loop.time():
-                    return False
-            log.debug("pinging %s:%s", to_replace.address, to_replace.udp_port)
-            try:
-                to_replace_rpc = self.get_rpc_peer(to_replace)
-                await to_replace_rpc.ping()
-                return False
-            except asyncio.TimeoutError:
-                log.debug("Replacing dead contact in bucket %i: %s:%i with %s:%i ", bucket_index,
-                          to_replace.address, to_replace.udp_port, peer.address, peer.udp_port)
-                if to_replace in self.routing_table.buckets[bucket_index]:
-                    self.routing_table.buckets[bucket_index].remove_peer(to_replace)
-                return await self._add_peer(peer)
 
     def add_peer(self, peer: 'KademliaPeer'):
         if peer.node_id == self.node_id:
@@ -439,11 +382,10 @@ class KademliaProtocol(DatagramProtocol):
                 async with self._split_lock:
                     peer = self._to_remove.pop()
                     self.routing_table.remove_peer(peer)
-                    self.routing_table.join_buckets()
             while self._to_add:
                 async with self._split_lock:
                     await self._add_peer(self._to_add.pop())
-            await asyncio.gather(self._wakeup_routing_task.wait(), asyncio.sleep(.1, loop=self.loop), loop=self.loop)
+            await asyncio.gather(self._wakeup_routing_task.wait(), asyncio.sleep(.1))
             self._wakeup_routing_task.clear()
 
     def _handle_rpc(self, sender_contact: 'KademliaPeer', message: RequestDatagram):
@@ -482,9 +424,8 @@ class KademliaProtocol(DatagramProtocol):
         # This is an RPC method request
         self.received_request_metric.labels(method=request_datagram.method).inc()
         self.peer_manager.report_last_requested(address[0], address[1])
-        try:
         peer = self.routing_table.get_peer(request_datagram.node_id)
-        except IndexError:
+        if not peer:
             try:
                 peer = make_kademlia_peer(request_datagram.node_id, address[0], address[1])
             except ValueError as err:

lbry/dht/protocol/routing_table.py

@@ -8,6 +8,7 @@ from prometheus_client import Gauge
 
 from lbry import utils
 from lbry.dht import constants
+from lbry.dht.error import RemoteException
 from lbry.dht.protocol.distance import Distance
 if typing.TYPE_CHECKING:
     from lbry.dht.peer import KademliaPeer, PeerManager
@@ -28,7 +29,8 @@ class KBucket:
         namespace="dht_node", labelnames=("amount",)
     )
 
-    def __init__(self, peer_manager: 'PeerManager', range_min: int, range_max: int, node_id: bytes):
+    def __init__(self, peer_manager: 'PeerManager', range_min: int, range_max: int,
+                 node_id: bytes, capacity: int = constants.K):
         """
         @param range_min: The lower boundary for the range in the n-bit ID
                          space covered by this k-bucket
@@ -36,12 +38,12 @@ class KBucket:
                          covered by this k-bucket
         """
         self._peer_manager = peer_manager
-        self.last_accessed = 0
         self.range_min = range_min
         self.range_max = range_max
         self.peers: typing.List['KademliaPeer'] = []
         self._node_id = node_id
         self._distance_to_self = Distance(node_id)
+        self.capacity = capacity
 
     def add_peer(self, peer: 'KademliaPeer') -> bool:
         """ Add contact to _contact list in the right order. This will move the
@@ -68,7 +70,7 @@ class KBucket:
                     self.peers.remove(local_peer)
                     self.peers.append(peer)
                     return True
-        if len(self.peers) < constants.K:
+        if len(self.peers) < self.capacity:
             self.peers.append(peer)
             self.peer_in_routing_table_metric.labels("global").inc()
             bits_colliding = utils.get_colliding_prefix_bits(peer.node_id, self._node_id)
@@ -76,13 +78,11 @@ class KBucket:
             return True
         else:
             return False
-            # raise BucketFull("No space in bucket to insert contact")
 
     def get_peer(self, node_id: bytes) -> 'KademliaPeer':
         for peer in self.peers:
             if peer.node_id == node_id:
                 return peer
-        raise IndexError(node_id)
 
     def get_peers(self, count=-1, exclude_contact=None, sort_distance_to=None) -> typing.List['KademliaPeer']:
         """ Returns a list containing up to the first count number of contacts
@@ -179,6 +179,13 @@ class TreeRoutingTable:
     version of the Kademlia paper, in section 2.4. It does, however, use the
     ping RPC-based k-bucket eviction algorithm described in section 2.2 of
     that paper.
+
+    BOOTSTRAP MODE: if set to True, we always add all peers. This is so a
+    bootstrap node does not get a bias towards its own node id and replies are
+    the best it can provide (joining peer knows its neighbors immediately).
+    Over time, this will need to be optimized so we use the disk as holding
+    everything in memory won't be feasible anymore.
+    See: https://github.com/bittorrent/bootstrap-dht
     """
     bucket_in_routing_table_metric = Gauge(
         "buckets_in_routing_table", "Number of buckets on routing table", namespace="dht_node",
@@ -186,21 +193,22 @@ class TreeRoutingTable:
     )
 
     def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager', parent_node_id: bytes,
-                 split_buckets_under_index: int = constants.SPLIT_BUCKETS_UNDER_INDEX):
+                 split_buckets_under_index: int = constants.SPLIT_BUCKETS_UNDER_INDEX, is_bootstrap_node: bool = False):
         self._loop = loop
         self._peer_manager = peer_manager
         self._parent_node_id = parent_node_id
         self._split_buckets_under_index = split_buckets_under_index
         self.buckets: typing.List[KBucket] = [
             KBucket(
-                self._peer_manager, range_min=0, range_max=2 ** constants.HASH_BITS, node_id=self._parent_node_id
+                self._peer_manager, range_min=0, range_max=2 ** constants.HASH_BITS, node_id=self._parent_node_id,
+                capacity=1 << 32 if is_bootstrap_node else constants.K
             )
         ]
 
     def get_peers(self) -> typing.List['KademliaPeer']:
         return list(itertools.chain.from_iterable(map(lambda bucket: bucket.peers, self.buckets)))
 
-    def should_split(self, bucket_index: int, to_add: bytes) -> bool:
+    def _should_split(self, bucket_index: int, to_add: bytes) -> bool:
         #  https://stackoverflow.com/questions/32129978/highly-unbalanced-kademlia-routing-table/32187456#32187456
         if bucket_index < self._split_buckets_under_index:
             return True
@@ -225,39 +233,32 @@ class TreeRoutingTable:
         return []
 
     def get_peer(self, contact_id: bytes) -> 'KademliaPeer':
-        """
+        return self.buckets[self._kbucket_index(contact_id)].get_peer(contact_id)
-        @raise IndexError: No contact with the specified contact ID is known
-                           by this node
-        """
-        return self.buckets[self.kbucket_index(contact_id)].get_peer(contact_id)
 
     def get_refresh_list(self, start_index: int = 0, force: bool = False) -> typing.List[bytes]:
-        bucket_index = start_index
         refresh_ids = []
-        now = int(self._loop.time())
+        for offset, _ in enumerate(self.buckets[start_index:]):
-        for bucket in self.buckets[start_index:]:
+            refresh_ids.append(self._midpoint_id_in_bucket_range(start_index + offset))
-            if force or now - bucket.last_accessed >= constants.REFRESH_INTERVAL:
+        # if we have 3 or fewer populated buckets get two random ids in the range of each to try and
-                to_search = self.midpoint_id_in_bucket_range(bucket_index)
+        # populate/split the buckets further
-                refresh_ids.append(to_search)
+        buckets_with_contacts = self.buckets_with_contacts()
-            bucket_index += 1
+        if buckets_with_contacts <= 3:
+            for i in range(buckets_with_contacts):
+                refresh_ids.append(self._random_id_in_bucket_range(i))
+                refresh_ids.append(self._random_id_in_bucket_range(i))
         return refresh_ids
 
     def remove_peer(self, peer: 'KademliaPeer') -> None:
         if not peer.node_id:
             return
-        bucket_index = self.kbucket_index(peer.node_id)
+        bucket_index = self._kbucket_index(peer.node_id)
         try:
             self.buckets[bucket_index].remove_peer(peer)
+            self._join_buckets()
         except ValueError:
             return
 
-    def touch_kbucket(self, key: bytes) -> None:
+    def _kbucket_index(self, key: bytes) -> int:
-        self.touch_kbucket_by_index(self.kbucket_index(key))
-
-    def touch_kbucket_by_index(self, bucket_index: int):
-        self.buckets[bucket_index].last_accessed = int(self._loop.time())
-
-    def kbucket_index(self, key: bytes) -> int:
         i = 0
         for bucket in self.buckets:
             if bucket.key_in_range(key):
@@ -266,19 +267,19 @@ class TreeRoutingTable:
                 i += 1
         return i
 
-    def random_id_in_bucket_range(self, bucket_index: int) -> bytes:
+    def _random_id_in_bucket_range(self, bucket_index: int) -> bytes:
         random_id = int(random.randrange(self.buckets[bucket_index].range_min, self.buckets[bucket_index].range_max))
         return Distance(
             self._parent_node_id
         )(random_id.to_bytes(constants.HASH_LENGTH, 'big')).to_bytes(constants.HASH_LENGTH, 'big')
 
-    def midpoint_id_in_bucket_range(self, bucket_index: int) -> bytes:
+    def _midpoint_id_in_bucket_range(self, bucket_index: int) -> bytes:
         half = int((self.buckets[bucket_index].range_max - self.buckets[bucket_index].range_min) // 2)
         return Distance(self._parent_node_id)(
             int(self.buckets[bucket_index].range_min + half).to_bytes(constants.HASH_LENGTH, 'big')
         ).to_bytes(constants.HASH_LENGTH, 'big')
 
-    def split_bucket(self, old_bucket_index: int) -> None:
+    def _split_bucket(self, old_bucket_index: int) -> None:
         """ Splits the specified k-bucket into two new buckets which together
         cover the same range in the key/ID space
 
@@ -303,7 +304,7 @@ class TreeRoutingTable:
             old_bucket.remove_peer(contact)
         self.bucket_in_routing_table_metric.labels("global").set(len(self.buckets))
 
-    def join_buckets(self):
+    def _join_buckets(self):
         if len(self.buckets) == 1:
             return
         to_pop = [i for i, bucket in enumerate(self.buckets) if len(bucket) == 0]
@@ -326,14 +327,7 @@ class TreeRoutingTable:
             self.buckets[bucket_index_to_pop + 1].range_min = bucket.range_min
         self.buckets.remove(bucket)
         self.bucket_in_routing_table_metric.labels("global").set(len(self.buckets))
-        return self.join_buckets()
+        return self._join_buckets()
-
-    def contact_in_routing_table(self, address_tuple: typing.Tuple[str, int]) -> bool:
-        for bucket in self.buckets:
-            for contact in bucket.get_peers(sort_distance_to=False):
-                if address_tuple[0] == contact.address and address_tuple[1] == contact.udp_port:
-                    return True
-        return False
 
     def buckets_with_contacts(self) -> int:
         count = 0
@@ -341,3 +335,70 @@ class TreeRoutingTable:
             if len(bucket) > 0:
                 count += 1
         return count
+
+    async def add_peer(self, peer: 'KademliaPeer', probe: typing.Callable[['KademliaPeer'], typing.Awaitable]):
+        if not peer.node_id:
+            log.warning("Tried adding a peer with no node id!")
+            return False
+        for my_peer in self.get_peers():
+            if (my_peer.address, my_peer.udp_port) == (peer.address, peer.udp_port) and my_peer.node_id != peer.node_id:
+                self.remove_peer(my_peer)
+                self._join_buckets()
+        bucket_index = self._kbucket_index(peer.node_id)
+        if self.buckets[bucket_index].add_peer(peer):
+            return True
+
+        # The bucket is full; see if it can be split (by checking if its range includes the host node's node_id)
+        if self._should_split(bucket_index, peer.node_id):
+            self._split_bucket(bucket_index)
+            # Retry the insertion attempt
+            result = await self.add_peer(peer, probe)
+            self._join_buckets()
+            return result
+        else:
+            # We can't split the k-bucket
+            #
+            # The 13 page kademlia paper specifies that the least recently contacted node in the bucket
+            # shall be pinged. If it fails to reply it is replaced with the new contact. If the ping is successful
+            # the new contact is ignored and not added to the bucket (sections 2.2 and 2.4).
+            #
+            # A reasonable extension to this is BEP 0005, which extends the above:
+            #
+            #    Not all nodes that we learn about are equal. Some are "good" and some are not.
+            #    Many nodes using the DHT are able to send queries and receive responses,
+            #    but are not able to respond to queries from other nodes. It is important that
+            #    each node's routing table must contain only known good nodes. A good node is
+            #    a node has responded to one of our queries within the last 15 minutes. A node
+            #    is also good if it has ever responded to one of our queries and has sent us a
+            #    query within the last 15 minutes. After 15 minutes of inactivity, a node becomes
+            #    questionable. Nodes become bad when they fail to respond to multiple queries
+            #    in a row. Nodes that we know are good are given priority over nodes with unknown status.
+            #
+            # When there are bad or questionable nodes in the bucket, the least recent is selected for
+            # potential replacement (BEP 0005). When all nodes in the bucket are fresh, the head (least recent)
+            # contact is selected as described in section 2.2 of the kademlia paper. In both cases the new contact
+            # is ignored if the pinged node replies.
+
+            not_good_contacts = self.buckets[bucket_index].get_bad_or_unknown_peers()
+            not_recently_replied = []
+            for my_peer in not_good_contacts:
+                last_replied = self._peer_manager.get_last_replied(my_peer.address, my_peer.udp_port)
+                if not last_replied or last_replied + 60 < self._loop.time():
+                    not_recently_replied.append(my_peer)
+            if not_recently_replied:
+                to_replace = not_recently_replied[0]
+            else:
+                to_replace = self.buckets[bucket_index].peers[0]
+                last_replied = self._peer_manager.get_last_replied(to_replace.address, to_replace.udp_port)
+                if last_replied and last_replied + 60 > self._loop.time():
+                    return False
+            log.debug("pinging %s:%s", to_replace.address, to_replace.udp_port)
+            try:
+                await probe(to_replace)
+                return False
+            except (asyncio.TimeoutError, RemoteException):
+                log.debug("Replacing dead contact in bucket %i: %s:%i with %s:%i ", bucket_index,
+                          to_replace.address, to_replace.udp_port, peer.address, peer.udp_port)
+                if to_replace in self.buckets[bucket_index]:
+                    self.buckets[bucket_index].remove_peer(to_replace)
+                return await self.add_peer(peer, probe)

lbry/extras/daemon/client.py

@@ -1,5 +1,5 @@
-from lbry.conf import Config
 from lbry.extras.cli import execute_command
+from lbry.conf import Config
 
 
 def daemon_rpc(conf: Config, method: str, **kwargs):

lbry/extras/daemon/component.py

@@ -37,7 +37,7 @@ class Component(metaclass=ComponentType):
     def running(self):
         return self._running
 
-    async def get_status(self):
+    async def get_status(self): # pylint: disable=no-self-use
         return
 
     async def start(self):

lbry/extras/daemon/componentmanager.py

@@ -42,7 +42,7 @@ class ComponentManager:
         self.analytics_manager = analytics_manager
         self.component_classes = {}
         self.components = set()
-        self.started = asyncio.Event(loop=self.loop)
+        self.started = asyncio.Event()
         self.peer_manager = peer_manager or PeerManager(asyncio.get_event_loop_policy().get_event_loop())
 
         for component_name, component_class in self.default_component_classes.items():
@@ -118,7 +118,7 @@ class ComponentManager:
                 component._setup() for component in stage if not component.running
             ]
             if needing_start:
-                await asyncio.wait(needing_start)
+                await asyncio.wait(map(asyncio.create_task, needing_start))
         self.started.set()
 
     async def stop(self):
@@ -131,7 +131,7 @@ class ComponentManager:
                 component._stop() for component in stage if component.running
             ]
             if needing_stop:
-                await asyncio.wait(needing_stop)
+                await asyncio.wait(map(asyncio.create_task, needing_stop))
 
     def all_components_running(self, *component_names):
         """

lbry/extras/daemon/components.py

@@ -27,10 +27,8 @@ from lbry.extras.daemon.storage import SQLiteStorage
 from lbry.torrent.torrent_manager import TorrentManager
 from lbry.wallet import WalletManager
 from lbry.wallet.usage_payment import WalletServerPayer
-try:
+from lbry.torrent.tracker import TrackerClient
-    from lbry.torrent.session import TorrentSession
+from lbry.torrent.session import TorrentSession
-except ImportError:
-    TorrentSession = None
 
 log = logging.getLogger(__name__)
 
@@ -48,6 +46,7 @@ BACKGROUND_DOWNLOADER_COMPONENT = "background_downloader"
 PEER_PROTOCOL_SERVER_COMPONENT = "peer_protocol_server"
 UPNP_COMPONENT = "upnp"
 EXCHANGE_RATE_MANAGER_COMPONENT = "exchange_rate_manager"
+TRACKER_ANNOUNCER_COMPONENT = "tracker_announcer_component"
 LIBTORRENT_COMPONENT = "libtorrent_component"
 
 
@@ -294,6 +293,7 @@ class DHTComponent(Component):
             peer_port=self.external_peer_port,
             rpc_timeout=self.conf.node_rpc_timeout,
             split_buckets_under_index=self.conf.split_buckets_under_index,
+            is_bootstrap_node=self.conf.is_bootstrap_node,
             storage=storage
         )
         self.dht_node.start(self.conf.network_interface, self.conf.known_dht_nodes)
@@ -357,10 +357,6 @@ class FileManagerComponent(Component):
         wallet = self.component_manager.get_component(WALLET_COMPONENT)
         node = self.component_manager.get_component(DHT_COMPONENT) \
             if self.component_manager.has_component(DHT_COMPONENT) else None
-        try:
-            torrent = self.component_manager.get_component(LIBTORRENT_COMPONENT) if TorrentSession else None
-        except NameError:
-            torrent = None
         log.info('Starting the file manager')
         loop = asyncio.get_event_loop()
         self.file_manager = FileManager(
@@ -369,7 +365,8 @@ class FileManagerComponent(Component):
         self.file_manager.source_managers['stream'] = StreamManager(
             loop, self.conf, blob_manager, wallet, storage, node,
         )
-        if TorrentSession and LIBTORRENT_COMPONENT not in self.conf.components_to_skip:
+        if self.component_manager.has_component(LIBTORRENT_COMPONENT):
+            torrent = self.component_manager.get_component(LIBTORRENT_COMPONENT)
             self.file_manager.source_managers['torrent'] = TorrentManager(
                 loop, self.conf, torrent, storage, self.component_manager.analytics_manager
             )
@@ -377,7 +374,7 @@ class FileManagerComponent(Component):
         log.info('Done setting up file manager')
 
     async def stop(self):
-        self.file_manager.stop()
+        await self.file_manager.stop()
 
 
 class BackgroundDownloaderComponent(Component):
@@ -498,7 +495,6 @@ class TorrentComponent(Component):
         }
 
     async def start(self):
-        if TorrentSession:
         self.torrent_session = TorrentSession(asyncio.get_event_loop(), None)
         await self.torrent_session.bind()  # TODO: specify host/port
 
@@ -555,7 +551,7 @@ class UPnPComponent(Component):
         while True:
             if now:
                 await self._maintain_redirects()
-            await asyncio.sleep(360, loop=self.component_manager.loop)
+            await asyncio.sleep(360)
 
     async def _maintain_redirects(self):
         # setup the gateway if necessary
@@ -564,8 +560,6 @@ class UPnPComponent(Component):
                 self.upnp = await UPnP.discover(loop=self.component_manager.loop)
                 log.info("found upnp gateway: %s", self.upnp.gateway.manufacturer_string)
             except Exception as err:
-                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                    raise
                 log.warning("upnp discovery failed: %s", err)
                 self.upnp = None
 
@@ -677,7 +671,7 @@ class UPnPComponent(Component):
             log.info("Removing upnp redirects: %s", self.upnp_redirects)
             await asyncio.wait([
                 self.upnp.delete_port_mapping(port, protocol) for protocol, port in self.upnp_redirects.items()
-            ], loop=self.component_manager.loop)
+            ])
         if self._maintain_redirects_task and not self._maintain_redirects_task.done():
             self._maintain_redirects_task.cancel()
 
@@ -708,3 +702,49 @@ class ExchangeRateManagerComponent(Component):
 
     async def stop(self):
         self.exchange_rate_manager.stop()
+
+
+class TrackerAnnouncerComponent(Component):
+    component_name = TRACKER_ANNOUNCER_COMPONENT
+    depends_on = [FILE_MANAGER_COMPONENT]
+
+    def __init__(self, component_manager):
+        super().__init__(component_manager)
+        self.file_manager = None
+        self.announce_task = None
+        self.tracker_client: typing.Optional[TrackerClient] = None
+
+    @property
+    def component(self):
+        return self.tracker_client
+
+    @property
+    def running(self):
+        return self._running and self.announce_task and not self.announce_task.done()
+
+    async def announce_forever(self):
+        while True:
+            sleep_seconds = 60.0
+            announce_sd_hashes = []
+            for file in self.file_manager.get_filtered():
+                if not file.downloader:
+                    continue
+                announce_sd_hashes.append(bytes.fromhex(file.sd_hash))
+            await self.tracker_client.announce_many(*announce_sd_hashes)
+            await asyncio.sleep(sleep_seconds)
+
+    async def start(self):
+        node = self.component_manager.get_component(DHT_COMPONENT) \
+            if self.component_manager.has_component(DHT_COMPONENT) else None
+        node_id = node.protocol.node_id if node else None
+        self.tracker_client = TrackerClient(node_id, self.conf.tcp_port, lambda: self.conf.tracker_servers)
+        await self.tracker_client.start()
+        self.file_manager = self.component_manager.get_component(FILE_MANAGER_COMPONENT)
+        self.announce_task = asyncio.create_task(self.announce_forever())
+
+    async def stop(self):
+        self.file_manager = None
+        if self.announce_task and not self.announce_task.done():
+            self.announce_task.cancel()
+        self.announce_task = None
+        self.tracker_client.stop()

lbry/extras/daemon/daemon.py

@@ -9,7 +9,7 @@ import inspect
 import typing
 import random
 import tracemalloc
-from decimal import Decimal
+import itertools
 from urllib.parse import urlencode, quote
 from typing import Callable, Optional, List
 from binascii import hexlify, unhexlify
@@ -28,6 +28,7 @@ from lbry.wallet import (
 from lbry.wallet.dewies import dewies_to_lbc, lbc_to_dewies, dict_values_to_lbc
 from lbry.wallet.constants import TXO_TYPES, CLAIM_TYPE_NAMES
 from lbry.wallet.bip32 import PrivateKey
+from lbry.crypto.base58 import Base58
 
 from lbry import utils
 from lbry.conf import Config, Setting, NOT_SET
@@ -43,7 +44,7 @@ from lbry.error import (
 from lbry.extras import system_info
 from lbry.extras.daemon import analytics
 from lbry.extras.daemon.components import WALLET_COMPONENT, DATABASE_COMPONENT, DHT_COMPONENT, BLOB_COMPONENT
-from lbry.extras.daemon.components import FILE_MANAGER_COMPONENT, DISK_SPACE_COMPONENT
+from lbry.extras.daemon.components import FILE_MANAGER_COMPONENT, DISK_SPACE_COMPONENT, TRACKER_ANNOUNCER_COMPONENT
 from lbry.extras.daemon.components import EXCHANGE_RATE_MANAGER_COMPONENT, UPNP_COMPONENT
 from lbry.extras.daemon.componentmanager import RequiredCondition
 from lbry.extras.daemon.componentmanager import ComponentManager
@@ -52,9 +53,8 @@ from lbry.extras.daemon.undecorated import undecorated
 from lbry.extras.daemon.security import ensure_request_allowed
 from lbry.file_analysis import VideoFileAnalyzer
 from lbry.schema.claim import Claim
-from lbry.schema.url import URL, normalize_name
+from lbry.schema.url import URL
-from lbry.wallet.server.db.elasticsearch.constants import RANGE_FIELDS, REPLACEMENTS
+
-MY_RANGE_FIELDS = RANGE_FIELDS - {"limit_claims_per_channel"}
 
 if typing.TYPE_CHECKING:
     from lbry.blob.blob_manager import BlobManager
@@ -67,6 +67,29 @@ if typing.TYPE_CHECKING:
 
 log = logging.getLogger(__name__)
 
+RANGE_FIELDS = {
+    'height', 'creation_height', 'activation_height', 'expiration_height',
+    'timestamp', 'creation_timestamp', 'duration', 'release_time', 'fee_amount',
+    'tx_position', 'repost_count', 'limit_claims_per_channel',
+    'amount', 'effective_amount', 'support_amount',
+    'trending_score', 'censor_type', 'tx_num'
+}
+MY_RANGE_FIELDS = RANGE_FIELDS - {"limit_claims_per_channel"}
+REPLACEMENTS = {
+    'claim_name': 'normalized_name',
+    'name': 'normalized_name',
+    'txid': 'tx_id',
+    'nout': 'tx_nout',
+    'trending_group': 'trending_score',
+    'trending_mixed': 'trending_score',
+    'trending_global': 'trending_score',
+    'trending_local': 'trending_score',
+    'reposted': 'repost_count',
+    'stream_types': 'stream_type',
+    'media_types': 'media_type',
+    'valid_channel_signature': 'is_signature_valid'
+}
+
 
 def is_transactional_function(name):
     for action in ('create', 'update', 'abandon', 'send', 'fund'):
@@ -172,61 +195,6 @@ def paginate_list(items: List, page: Optional[int], page_size: Optional[int]):
     }
 
 
-def fix_kwargs_for_hub(**kwargs):
-    repeated_fields = {"media_type", "stream_type", "claim_type"}
-    value_fields = {"tx_nout", "has_source", "is_signature_valid"}
-    opcodes = {'=': 0, '<=': 1, '>=': 2, '<': 3, '>': 4}
-    for key, value in list(kwargs.items()):
-        if value in (None, [], False):
-            kwargs.pop(key)
-            continue
-        if key in REPLACEMENTS:
-            kwargs[REPLACEMENTS[key]] = kwargs.pop(key)
-            key = REPLACEMENTS[key]
-
-        if key == "normalized_name":
-            kwargs[key] = normalize_name(value)
-        if key == "limit_claims_per_channel":
-            value = kwargs.pop("limit_claims_per_channel") or 0
-            if value > 0:
-                kwargs["limit_claims_per_channel"] = value
-        elif key == "invalid_channel_signature":
-            kwargs["is_signature_valid"] = {"value": not kwargs.pop("invalid_channel_signature")}
-        elif key == "has_no_source":
-            kwargs["has_source"] = {"value": not kwargs.pop("has_no_source")}
-        elif key in value_fields:
-            kwargs[key] = {"value": value} if not isinstance(value, dict) else value
-        elif key in repeated_fields and isinstance(value, str):
-            kwargs[key] = [value]
-        elif key in ("claim_id", "channel_id"):
-            kwargs[key] = {"invert": False, "value": [kwargs[key]]}
-        elif key in ("claim_ids", "channel_ids"):
-            kwargs[key[:-1]] = {"invert": False, "value": kwargs.pop(key)}
-        elif key == "not_channel_ids":
-            kwargs["channel_id"] = {"invert": True, "value": kwargs.pop("not_channel_ids")}
-        elif key in MY_RANGE_FIELDS:
-            constraints = []
-            for val in value if isinstance(value, list) else [value]:
-                operator = '='
-                if isinstance(val, str) and val[0] in opcodes:
-                    operator_length = 2 if val[:2] in opcodes else 1
-                    operator, val = val[:operator_length], val[operator_length:]
-                val = [int(val if key != 'fee_amount' else Decimal(val)*1000)]
-                constraints.append({"op": opcodes[operator], "value": val})
-            kwargs[key] = constraints
-        elif key == 'order_by':  # TODO: remove this after removing support for old trending args from the api
-            value = value if isinstance(value, list) else [value]
-            new_value = []
-            for new_v in value:
-                migrated = new_v if new_v not in (
-                    'trending_mixed', 'trending_local', 'trending_global', 'trending_group'
-                ) else 'trending_score'
-                if migrated not in new_value:
-                    new_value.append(migrated)
-            kwargs[key] = new_value
-    return kwargs
-
-
 DHT_HAS_CONTACTS = "dht_has_contacts"
 
 
@@ -646,7 +614,8 @@ class Daemon(metaclass=JSONRPCServerType):
             content_type='application/json'
         )
 
-    async def handle_metrics_get_request(self, request: web.Request):
+    @staticmethod
+    async def handle_metrics_get_request(request: web.Request):
         try:
             return web.Response(
                 text=prom_generate_latest().decode(),
@@ -1359,6 +1328,65 @@ class Daemon(metaclass=JSONRPCServerType):
                 c.wallets += [wallet_id]
         return wallet
 
+    @requires("wallet")
+    async def jsonrpc_wallet_export(self, password=None, wallet_id=None):
+        """
+        Exports encrypted wallet data if password is supplied; otherwise plain JSON.
+
+        Wallet must be unlocked to perform this operation.
+
+        Usage:
+            wallet_export [--password=<password>] [--wallet_id=<wallet_id>]
+
+        Options:
+            --password=<password>         : (str) password to encrypt outgoing data
+            --wallet_id=<wallet_id>       : (str) wallet being exported
+
+        Returns:
+            (str) data: base64-encoded encrypted wallet, or cleartext JSON
+
+        """
+        wallet = self.wallet_manager.get_wallet_or_default(wallet_id)
+        if password is None:
+            return wallet.to_json()
+        return wallet.pack(password).decode()
+
+    @requires("wallet")
+    async def jsonrpc_wallet_import(self, data, password=None, wallet_id=None, blocking=False):
+        """
+        Import wallet data and merge accounts and preferences. Data is expected to be JSON if
+        password is not supplied.
+
+        Wallet must be unlocked to perform this operation.
+
+        Usage:
+            wallet_import (<data> | --data=<data>) [<password> | --password=<password>]
+                          [--wallet_id=<wallet_id>] [--blocking]
+
+        Options:
+            --data=<data>                 : (str) incoming wallet data
+            --password=<password>         : (str) password to decrypt incoming data
+            --wallet_id=<wallet_id>       : (str) wallet being merged into
+            --blocking                    : (bool) wait until any new accounts have merged
+
+        Returns:
+            (str) base64-encoded encrypted wallet, or cleartext JSON
+        """
+        wallet = self.wallet_manager.get_wallet_or_default(wallet_id)
+        added_accounts, merged_accounts = wallet.merge(self.wallet_manager, password, data)
+        for new_account in itertools.chain(added_accounts, merged_accounts):
+            await new_account.maybe_migrate_certificates()
+        if added_accounts and self.ledger.network.is_connected:
+            if blocking:
+                await asyncio.wait([
+                    a.ledger.subscribe_account(a) for a in added_accounts
+                ])
+            else:
+                for new_account in added_accounts:
+                    asyncio.create_task(self.ledger.subscribe_account(new_account))
+        wallet.save()
+        return await self.jsonrpc_wallet_export(password=password, wallet_id=wallet_id)
+
     @requires("wallet")
     async def jsonrpc_wallet_add(self, wallet_id):
         """
@@ -1827,7 +1855,7 @@ class Daemon(metaclass=JSONRPCServerType):
         Options:
             --to_account=<to_account>     : (str) send to this account
             --from_account=<from_account> : (str) spend from this account
-            --amount=<amount>             : (str) the amount to transfer lbc
+            --amount=<amount>             : (decimal) the amount to transfer lbc
             --everything                  : (bool) transfer everything (excluding claims), default: false.
             --outputs=<outputs>           : (int) split payment across many outputs, default: 1.
             --wallet_id=<wallet_id>       : (str) limit operation to specific wallet.
@@ -1850,6 +1878,48 @@ class Daemon(metaclass=JSONRPCServerType):
             outputs=outputs, broadcast=broadcast
         )
 
+    @requires("wallet")
+    async def jsonrpc_account_deposit(
+        self, txid, nout, redeem_script, private_key,
+        to_account=None, wallet_id=None, preview=False, blocking=False
+    ):
+        """
+        Spend a time locked transaction into your account.
+
+        Usage:
+            account_deposit <txid> <nout> <redeem_script> <private_key>
+                [<to_account> | --to_account=<to_account>]
+                [--wallet_id=<wallet_id>] [--preview] [--blocking]
+
+        Options:
+            --txid=<txid>                   : (str) id of the transaction
+            --nout=<nout>                   : (int) output number in the transaction
+            --redeem_script=<redeem_script> : (str) redeem script for output
+            --private_key=<private_key>     : (str) private key to sign transaction
+            --to_account=<to_account>       : (str) deposit to this account
+            --wallet_id=<wallet_id>         : (str) limit operation to specific wallet.
+            --preview                       : (bool) do not broadcast the transaction
+            --blocking                      : (bool) wait until tx has synced
+
+        Returns: {Transaction}
+        """
+        wallet = self.wallet_manager.get_wallet_or_default(wallet_id)
+        account = wallet.get_account_or_default(to_account)
+        other_tx = await self.wallet_manager.get_transaction(txid)
+        tx = await Transaction.spend_time_lock(
+            other_tx.outputs[nout], unhexlify(redeem_script), account
+        )
+        pk = PrivateKey.from_bytes(
+            account.ledger, Base58.decode_check(private_key)[1:-1]
+        )
+        await tx.sign([account], {pk.address: pk})
+        if not preview:
+            await self.broadcast_or_release(tx, blocking)
+            self.component_manager.loop.create_task(self.analytics_manager.send_credits_sent())
+        else:
+            await self.ledger.release_tx(tx)
+        return tx
+
     @requires(WALLET_COMPONENT)
     def jsonrpc_account_send(self, amount, addresses, account_id=None, wallet_id=None, preview=False, blocking=False):
         """
@@ -1921,7 +1991,9 @@ class Daemon(metaclass=JSONRPCServerType):
         wallet = self.wallet_manager.get_wallet_or_default(wallet_id)
         wallet_changed = False
         if data is not None:
-            added_accounts = wallet.merge(self.wallet_manager, password, data)
+            added_accounts, merged_accounts = wallet.merge(self.wallet_manager, password, data)
+            for new_account in itertools.chain(added_accounts, merged_accounts):
+                await new_account.maybe_migrate_certificates()
             if added_accounts and self.ledger.network.is_connected:
                 if blocking:
                     await asyncio.wait([
@@ -2338,6 +2410,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
         Usage:
             claim_list [--claim_type=<claim_type>...] [--claim_id=<claim_id>...] [--name=<name>...] [--is_spent]
+                       [--reposted_claim_id=<reposted_claim_id>...]
                        [--channel_id=<channel_id>...] [--account_id=<account_id>] [--wallet_id=<wallet_id>]
                        [--has_source | --has_no_source] [--page=<page>] [--page_size=<page_size>]
                        [--resolve] [--order_by=<order_by>] [--no_totals] [--include_received_tips]
@@ -2348,6 +2421,7 @@ class Daemon(metaclass=JSONRPCServerType):
             --channel_id=<channel_id>  : (str or list) streams in this channel
             --name=<name>              : (str or list) claim name
             --is_spent                 : (bool) shows previous claim updates and abandons
+            --reposted_claim_id=<reposted_claim_id> : (str or list) reposted claim id
             --account_id=<account_id>  : (str) id of the account to query
             --wallet_id=<wallet_id>    : (str) restrict results to specific wallet
             --has_source               : (bool) list claims containing a source field
@@ -2545,21 +2619,6 @@ class Daemon(metaclass=JSONRPCServerType):
 
         Returns: {Paginated[Output]}
         """
-        if self.ledger.config.get('use_go_hub'):
-            host = self.ledger.network.client.server[0]
-            port = "50051"
-            kwargs['new_sdk_server'] = f"{host}:{port}"
-            if kwargs.get("channel"):
-                channel = kwargs.pop("channel")
-                channel_obj = (await self.jsonrpc_resolve(channel))[channel]
-                if isinstance(channel_obj, dict):
-                    # This happens when the channel doesn't exist
-                    kwargs["channel_id"] = ""
-                else:
-                    kwargs["channel_id"] = channel_obj.claim_id
-            kwargs = fix_kwargs_for_hub(**kwargs)
-        else:
-            # Don't do this if using the hub server, it screws everything up
         if "claim_ids" in kwargs and not kwargs["claim_ids"]:
             kwargs.pop("claim_ids")
         if {'claim_id', 'claim_ids'}.issubset(kwargs):
@@ -2716,7 +2775,7 @@ class Daemon(metaclass=JSONRPCServerType):
             wallet.save()
             await self.broadcast_or_release(tx, blocking)
             self.component_manager.loop.create_task(self.storage.save_claims([self._old_get_temp_claim_info(
-                tx, txo, claim_address, claim, name, dewies_to_lbc(amount)
+                tx, txo, claim_address, claim, name
             )]))
             self.component_manager.loop.create_task(self.analytics_manager.send_new_channel())
         else:
@@ -2875,7 +2934,7 @@ class Daemon(metaclass=JSONRPCServerType):
             wallet.save()
             await self.broadcast_or_release(tx, blocking)
             self.component_manager.loop.create_task(self.storage.save_claims([self._old_get_temp_claim_info(
-                tx, new_txo, claim_address, new_txo.claim, new_txo.claim_name, dewies_to_lbc(amount)
+                tx, new_txo, claim_address, new_txo.claim, new_txo.claim_name
             )]))
             self.component_manager.loop.create_task(self.analytics_manager.send_new_channel())
         else:
@@ -2885,19 +2944,21 @@ class Daemon(metaclass=JSONRPCServerType):
 
     @requires(WALLET_COMPONENT)
     async def jsonrpc_channel_sign(
-            self, channel_name=None, channel_id=None, hexdata=None, channel_account_id=None, wallet_id=None):
+            self, channel_name=None, channel_id=None, hexdata=None, salt=None,
+            channel_account_id=None, wallet_id=None):
         """
         Signs data using the specified channel signing key.
 
         Usage:
-            channel_sign [<channel_name> | --channel_name=<channel_name>]
+            channel_sign [<channel_name> | --channel_name=<channel_name>] [<channel_id> | --channel_id=<channel_id>]
-                         [<channel_id> | --channel_id=<channel_id>] [<hexdata> | --hexdata=<hexdata>]
+                         [<hexdata> | --hexdata=<hexdata>] [<salt> | --salt=<salt>]
                          [--channel_account_id=<channel_account_id>...] [--wallet_id=<wallet_id>]
 
         Options:
             --channel_name=<channel_name>            : (str) name of channel used to sign (or use channel id)
             --channel_id=<channel_id>                : (str) claim id of channel used to sign (or use channel name)
             --hexdata=<hexdata>                      : (str) data to sign, encoded as hexadecimal
+            --salt=<salt>                            : (str) salt to use for signing, default is to use timestamp
             --channel_account_id=<channel_account_id>: (str) one or more account ids for accounts to look in
                                                              for channel certificates, defaults to all accounts.
             --wallet_id=<wallet_id>                  : (str) restrict operation to specific wallet
@@ -2914,11 +2975,13 @@ class Daemon(metaclass=JSONRPCServerType):
         signing_channel = await self.get_channel_or_error(
             wallet, channel_account_id, channel_id, channel_name, for_signing=True
         )
-        timestamp = str(int(time.time()))
+        if salt is None:
-        signature = signing_channel.sign_data(unhexlify(str(hexdata)), timestamp)
+            salt = str(int(time.time()))
+        signature = signing_channel.sign_data(unhexlify(str(hexdata)), salt)
         return {
             'signature': signature,
-            'signing_ts': timestamp
+            'signing_ts': salt,  # DEPRECATED
+            'salt': salt,
         }
 
     @requires(WALLET_COMPONENT)
@@ -3236,15 +3299,17 @@ class Daemon(metaclass=JSONRPCServerType):
         )
 
     @requires(WALLET_COMPONENT, FILE_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
-    async def jsonrpc_stream_repost(self, name, bid, claim_id, allow_duplicate_name=False, channel_id=None,
+    async def jsonrpc_stream_repost(
+            self, name, bid, claim_id, allow_duplicate_name=False, channel_id=None,
             channel_name=None, channel_account_id=None, account_id=None, wallet_id=None,
-                                    claim_address=None, funding_account_ids=None, preview=False, blocking=False):
+            claim_address=None, funding_account_ids=None, preview=False, blocking=False, **kwargs):
         """
             Creates a claim that references an existing stream by its claim id.
 
             Usage:
                 stream_repost (<name> | --name=<name>) (<bid> | --bid=<bid>) (<claim_id> | --claim_id=<claim_id>)
                         [--allow_duplicate_name=<allow_duplicate_name>]
+                        [--title=<title>] [--description=<description>] [--tags=<tags>...]
                         [--channel_id=<channel_id> | --channel_name=<channel_name>]
                         [--channel_account_id=<channel_account_id>...]
                         [--account_id=<account_id>] [--wallet_id=<wallet_id>]
@@ -3257,6 +3322,9 @@ class Daemon(metaclass=JSONRPCServerType):
                 --claim_id=<claim_id>          : (str) id of the claim being reposted
                 --allow_duplicate_name=<allow_duplicate_name> : (bool) create new claim even if one already exists with
                                                                        given name. default: false.
+                --title=<title>                : (str) title of the repost
+                --description=<description>    : (str) description of the repost
+                --tags=<tags>                  : (list) add repost tags
                 --channel_id=<channel_id>      : (str) claim id of the publisher channel
                 --channel_name=<channel_name>  : (str) name of the publisher channel
                 --channel_account_id=<channel_account_id>: (str) one or more account ids for accounts to look in
@@ -3291,6 +3359,7 @@ class Daemon(metaclass=JSONRPCServerType):
             raise Exception('Invalid claim id. It is expected to be a 40 characters long hexadecimal string.')
 
         claim = Claim()
+        claim.repost.update(**kwargs)
         claim.repost.reference.claim_id = claim_id
         tx = await Transaction.claim_create(
             name, claim, amount, claim_address, funding_accounts, funding_accounts[0], channel
@@ -3468,7 +3537,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
             async def save_claims():
                 await self.storage.save_claims([self._old_get_temp_claim_info(
-                    tx, new_txo, claim_address, claim, name, dewies_to_lbc(amount)
+                    tx, new_txo, claim_address, claim, name
                 )])
                 if file_path is not None:
                     await self.storage.save_content_claim(file_stream.stream_hash, new_txo.id)
@@ -3671,6 +3740,8 @@ class Daemon(metaclass=JSONRPCServerType):
 
         if old_txo.claim.is_stream:
             claim.stream.update(file_path=file_path, **kwargs)
+        elif old_txo.claim.is_repost:
+            claim.repost.update(**kwargs)
 
         if clear_channel:
             claim.clear_signature()
@@ -3703,7 +3774,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
             async def save_claims():
                 await self.storage.save_claims([self._old_get_temp_claim_info(
-                    tx, new_txo, claim_address, new_txo.claim, new_txo.claim_name, dewies_to_lbc(amount)
+                    tx, new_txo, claim_address, new_txo.claim, new_txo.claim_name
                 )])
                 if stream_hash:
                     await self.storage.save_content_claim(stream_hash, new_txo.id)
@@ -3965,6 +4036,8 @@ class Daemon(metaclass=JSONRPCServerType):
                            [--languages=<languages>...] [--clear_languages]
                            [--locations=<locations>...] [--clear_locations]
                            [--thumbnail_url=<thumbnail_url>] [--cover_url=<cover_url>]
+                           [--channel_id=<channel_id> | --channel_name=<channel_name>]
+                           [--channel_account_id=<channel_account_id>...]
                            [--account_id=<account_id>] [--wallet_id=<wallet_id>]
                            [--claim_address=<claim_address>]
                            [--funding_account_ids=<funding_account_ids>...]
@@ -4020,6 +4093,10 @@ class Daemon(metaclass=JSONRPCServerType):
 
             --clear_locations              : (bool) clear existing locations (prior to adding new ones)
             --thumbnail_url=<thumbnail_url>: (str) thumbnail url
+            --channel_id=<channel_id>      : (str) claim id of the publisher channel
+            --channel_name=<channel_name>  : (str) name of the publisher channel
+            --channel_account_id=<channel_account_id>: (str) one or more account ids for accounts to look in
+                                                   for channel certificates, defaults to all accounts.
             --account_id=<account_id>      : (str) account in which to look for collection (default: all)
             --wallet_id=<wallet_id>        : (str) restrict operation to specific wallet
           --funding_account_ids=<funding_account_ids>: (list) ids of accounts to fund this transaction
@@ -4267,7 +4344,7 @@ class Daemon(metaclass=JSONRPCServerType):
                 'nout': tx.position,
                 'address': claim_address,
                 'claim_id': claim_id,
-                'amount': dewies_to_lbc(amount)
+                'amount': dewies_to_lbc(new_txo.amount)
             }]})
             self.component_manager.loop.create_task(self.analytics_manager.send_claim_action('new_support'))
         else:
@@ -4884,7 +4961,6 @@ class Daemon(metaclass=JSONRPCServerType):
     DHT / Blob Exchange peer commands.
     """
 
-    @requires(DHT_COMPONENT)
     async def jsonrpc_peer_list(self, blob_hash, page=None, page_size=None):
         """
         Get peers for blob hash
@@ -4906,21 +4982,29 @@ class Daemon(metaclass=JSONRPCServerType):
         if not is_valid_blobhash(blob_hash):
             # TODO: use error from lbry.error
             raise Exception("invalid blob hash")
-        peers = []
         peer_q = asyncio.Queue(loop=self.component_manager.loop)
+        if self.component_manager.has_component(TRACKER_ANNOUNCER_COMPONENT):
+            tracker = self.component_manager.get_component(TRACKER_ANNOUNCER_COMPONENT)
+            tracker_peers = await tracker.get_kademlia_peer_list(bytes.fromhex(blob_hash))
+            log.info("Found %d peers for %s from trackers.", len(tracker_peers), blob_hash[:8])
+            peer_q.put_nowait(tracker_peers)
+        elif not self.component_manager.has_component(DHT_COMPONENT):
+            raise Exception("Peer list needs, at least, either a DHT component or a Tracker component for discovery.")
+        peers = []
+        if self.component_manager.has_component(DHT_COMPONENT):
             await self.dht_node._peers_for_value_producer(blob_hash, peer_q)
         while not peer_q.empty():
             peers.extend(peer_q.get_nowait())
-        results = [
+        results = {
-            {
+            (peer.address, peer.tcp_port): {
-                "node_id": hexlify(peer.node_id).decode(),
+                "node_id": hexlify(peer.node_id).decode() if peer.node_id else None,
                 "address": peer.address,
                 "udp_port": peer.udp_port,
                 "tcp_port": peer.tcp_port,
             }
             for peer in peers
-        ]
+        }
-        return paginate_list(results, page, page_size)
+        return paginate_list(list(results.values()), page, page_size)
 
     @requires(DATABASE_COMPONENT)
     async def jsonrpc_blob_announce(self, blob_hash=None, stream_hash=None, sd_hash=None):
@@ -5390,11 +5474,11 @@ class Daemon(metaclass=JSONRPCServerType):
         return results
 
     @staticmethod
-    def _old_get_temp_claim_info(tx, txo, address, claim_dict, name, bid):
+    def _old_get_temp_claim_info(tx, txo, address, claim_dict, name):
         return {
             "claim_id": txo.claim_id,
             "name": name,
-            "amount": bid,
+            "amount": dewies_to_lbc(txo.amount),
             "address": address,
             "txid": tx.id,
             "nout": txo.position,

lbry/extras/daemon/exchange_rate_manager.py

@@ -80,8 +80,6 @@ class MarketFeed:
             self.rate = ExchangeRate(self.market, rate, int(time.time()))
             self.last_check = time.time()
             return self.rate
-        except asyncio.CancelledError:
-            raise
         except asyncio.TimeoutError:
             log.warning("Timed out fetching exchange rate from %s.", self.name)
         except json.JSONDecodeError as e:
@@ -196,9 +194,9 @@ FEEDS: Iterable[Type[MarketFeed]] = (
     BittrexUSDFeed,
     CoinExBTCFeed,
     CoinExUSDFeed,
-    HotbitBTCFeed,
+#    HotbitBTCFeed,
-    HotbitUSDFeed,
+#    HotbitUSDFeed,
-    UPbitBTCFeed,
+#    UPbitBTCFeed,
 )
 
 

lbry/extras/daemon/json_response_encoder.py

@@ -328,8 +328,8 @@ class JSONResponseEncoder(JSONEncoder):
             result.update({
                 'streaming_url': managed_stream.stream_url,
                 'stream_hash': managed_stream.stream_hash,
-                'stream_name': managed_stream.descriptor.stream_name,
+                'stream_name': managed_stream.stream_name,
-                'suggested_file_name': managed_stream.descriptor.suggested_file_name,
+                'suggested_file_name': managed_stream.suggested_file_name,
                 'sd_hash': managed_stream.descriptor.sd_hash,
                 'mime_type': managed_stream.mime_type,
                 'key': managed_stream.descriptor.key,

lbry/extras/daemon/migrator/migrate8to9.py

@@ -20,7 +20,7 @@ def do_migration(conf):
                            "left outer join blob b ON b.blob_hash=s.blob_hash order by s.position").fetchall()
     blobs_by_stream = {}
     for stream_hash, position, iv, blob_hash, blob_length in blobs:
-        blobs_by_stream.setdefault(stream_hash, []).append(BlobInfo(position, blob_length or 0, iv, blob_hash))
+        blobs_by_stream.setdefault(stream_hash, []).append(BlobInfo(position, blob_length or 0, iv, 0, blob_hash))
 
     for stream_name, stream_key, suggested_filename, sd_hash, stream_hash in streams:
         sd = StreamDescriptor(None, blob_dir, stream_name, stream_key, suggested_filename,

lbry/extras/daemon/storage.py

@@ -449,7 +449,8 @@ class SQLiteStorage(SQLiteMixin):
             return await self.db.execute_fetchall(
                 "select blob.blob_hash, blob.blob_length, blob.added_on "
                 "from blob left join stream_blob using (blob_hash) "
-                "where stream_blob.stream_hash is null and blob.is_mine=? order by blob.added_on asc",
+                "where stream_blob.stream_hash is null and blob.is_mine=? and blob.status='finished'"
+                "order by blob.blob_length desc, blob.added_on asc",
                 (is_mine,)
             )
 
@@ -462,7 +463,8 @@ class SQLiteStorage(SQLiteMixin):
         content_blobs = await self.db.execute_fetchall(
             "select blob.blob_hash, blob.blob_length, blob.added_on "
             "from blob join stream_blob using (blob_hash) cross join stream using (stream_hash)"
-            "cross join file using (stream_hash) where blob.is_mine=? order by blob.added_on asc, blob.blob_length asc",
+            "cross join file using (stream_hash)"
+            "where blob.is_mine=? and blob.status='finished' order by blob.added_on asc, blob.blob_length asc",
             (is_mine,)
         )
         return content_blobs + sd_blobs
@@ -480,6 +482,7 @@ class SQLiteStorage(SQLiteMixin):
                    is_mine=1
                then blob_length else 0 end), 0) as private_storage
         from blob left join stream_blob using (blob_hash)
+        where blob_hash not in (select sd_hash from stream) and blob.status="finished"
         """)
         return {
             'network_storage': network_size,
@@ -531,7 +534,8 @@ class SQLiteStorage(SQLiteMixin):
         def _get_blobs_for_stream(transaction):
             crypt_blob_infos = []
             stream_blobs = transaction.execute(
-                "select blob_hash, position, iv from stream_blob where stream_hash=? "
+                "select s.blob_hash, s.position, s.iv, b.added_on "
+                "from stream_blob s left outer join blob b on b.blob_hash=s.blob_hash where stream_hash=? "
                 "order by position asc", (stream_hash, )
             ).fetchall()
             if only_completed:
@@ -551,9 +555,10 @@ class SQLiteStorage(SQLiteMixin):
             for blob_hash, length in lengths:
                 blob_length_dict[blob_hash] = length
 
-            for blob_hash, position, iv in stream_blobs:
+            current_time = time.time()
+            for blob_hash, position, iv, added_on in stream_blobs:
                 blob_length = blob_length_dict.get(blob_hash, 0)
-                crypt_blob_infos.append(BlobInfo(position, blob_length, iv, blob_hash))
+                crypt_blob_infos.append(BlobInfo(position, blob_length, iv, added_on or current_time, blob_hash))
                 if not blob_hash:
                     break
             return crypt_blob_infos
@@ -788,7 +793,7 @@ class SQLiteStorage(SQLiteMixin):
 
         await self.db.run(_save_claims)
         if update_file_callbacks:
-            await asyncio.wait(update_file_callbacks)
+            await asyncio.wait(map(asyncio.create_task, update_file_callbacks))
         if claim_id_to_supports:
             await self.save_supports(claim_id_to_supports)
 

lbry/file/file_manager.py

@@ -13,11 +13,12 @@ from lbry.schema.url import URL
 from lbry.wallet.dewies import dewies_to_lbc
 from lbry.file.source_manager import SourceManager
 from lbry.file.source import ManagedDownloadSource
+from lbry.extras.daemon.storage import StoredContentClaim
 if typing.TYPE_CHECKING:
     from lbry.conf import Config
     from lbry.extras.daemon.analytics import AnalyticsManager
     from lbry.extras.daemon.storage import SQLiteStorage
-    from lbry.wallet import WalletManager, Output
+    from lbry.wallet import WalletManager
     from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager
 
 log = logging.getLogger(__name__)
@@ -49,10 +50,10 @@ class FileManager:
             await manager.started.wait()
         self.started.set()
 
-    def stop(self):
+    async def stop(self):
         for manager in self.source_managers.values():
             # fixme: pop or not?
-            manager.stop()
+            await manager.stop()
         self.started.clear()
 
     @cache_concurrent
@@ -98,8 +99,6 @@ class FileManager:
             except asyncio.TimeoutError:
                 raise ResolveTimeoutError(uri)
             except Exception as err:
-                if isinstance(err, asyncio.CancelledError):
-                    raise
                 log.exception("Unexpected error resolving stream:")
                 raise ResolveError(f"Unexpected error resolving stream: {str(err)}")
             if 'error' in resolved_result:
@@ -194,21 +193,24 @@ class FileManager:
             ####################
             # make downloader and wait for start
             ####################
+            # temporary with fields we know so downloader can start. Missing fields are populated later.
+            stored_claim = StoredContentClaim(outpoint=outpoint, claim_id=txo.claim_id, name=txo.claim_name,
+                                              amount=txo.amount, height=txo.tx_ref.height,
+                                              serialized=claim.to_bytes().hex())
 
             if not claim.stream.source.bt_infohash:
                 # fixme: this shouldnt be here
                 stream = ManagedStream(
                     self.loop, self.config, source_manager.blob_manager, claim.stream.source.sd_hash,
                     download_directory, file_name, ManagedStream.STATUS_RUNNING, content_fee=payment,
-                    analytics_manager=self.analytics_manager
+                    analytics_manager=self.analytics_manager, claim=stored_claim
                 )
                 stream.downloader.node = source_manager.node
             else:
                 stream = TorrentSource(
                     self.loop, self.config, self.storage, identifier=claim.stream.source.bt_infohash,
                     file_name=file_name, download_directory=download_directory or self.config.download_dir,
-                    status=ManagedStream.STATUS_RUNNING,
+                    status=ManagedStream.STATUS_RUNNING, claim=stored_claim, analytics_manager=self.analytics_manager,
-                    analytics_manager=self.analytics_manager,
                     torrent_session=source_manager.torrent_session
                 )
             log.info("starting download for %s", uri)
@@ -240,13 +242,12 @@ class FileManager:
                 claim_info = await self.storage.get_content_claim_for_torrent(stream.identifier)
                 stream.set_claim(claim_info, claim)
             if save_file:
-                await asyncio.wait_for(stream.save_file(), timeout - (self.loop.time() - before_download),
+                await asyncio.wait_for(stream.save_file(), timeout - (self.loop.time() - before_download))
-                                       loop=self.loop)
             return stream
         except asyncio.TimeoutError:
             error = DownloadDataTimeoutError(stream.sd_hash)
             raise error
-        except Exception as err:  # forgive data timeout, don't delete stream
+        except (Exception, asyncio.CancelledError) as err:  # forgive data timeout, don't delete stream
             expected = (DownloadSDTimeoutError, DownloadDataTimeoutError, InsufficientFundsError,
                         KeyFeeAboveMaxAllowedError, ResolveError, InvalidStreamURLError)
             if isinstance(err, expected):

lbry/file/source.py

@@ -45,11 +45,12 @@ class ManagedDownloadSource:
         self.purchase_receipt = None
         self._added_on = added_on
         self.analytics_manager = analytics_manager
+        self.downloader = None
 
-        self.saving = asyncio.Event(loop=self.loop)
+        self.saving = asyncio.Event()
-        self.finished_writing = asyncio.Event(loop=self.loop)
+        self.finished_writing = asyncio.Event()
-        self.started_writing = asyncio.Event(loop=self.loop)
+        self.started_writing = asyncio.Event()
-        self.finished_write_attempt = asyncio.Event(loop=self.loop)
+        self.finished_write_attempt = asyncio.Event()
 
     # @classmethod
     # async def create(cls, loop: asyncio.AbstractEventLoop, config: 'Config', file_path: str,
@@ -66,7 +67,7 @@ class ManagedDownloadSource:
     async def save_file(self, file_name: Optional[str] = None, download_directory: Optional[str] = None):
         raise NotImplementedError()
 
-    def stop_tasks(self):
+    async def stop_tasks(self):
         raise NotImplementedError()
 
     def set_claim(self, claim_info: typing.Dict, claim: 'Claim'):

lbry/file/source_manager.py

@@ -54,16 +54,16 @@ class SourceManager:
         self.storage = storage
         self.analytics_manager = analytics_manager
         self._sources: typing.Dict[str, ManagedDownloadSource] = {}
-        self.started = asyncio.Event(loop=self.loop)
+        self.started = asyncio.Event()
 
     def add(self, source: ManagedDownloadSource):
         self._sources[source.identifier] = source
 
-    def remove(self, source: ManagedDownloadSource):
+    async def remove(self, source: ManagedDownloadSource):
         if source.identifier not in self._sources:
             return
         self._sources.pop(source.identifier)
-        source.stop_tasks()
+        await source.stop_tasks()
 
     async def initialize_from_database(self):
         raise NotImplementedError()
@@ -72,10 +72,10 @@ class SourceManager:
         await self.initialize_from_database()
         self.started.set()
 
-    def stop(self):
+    async def stop(self):
         while self._sources:
             _, source = self._sources.popitem()
-            source.stop_tasks()
+            await source.stop_tasks()
         self.started.clear()
 
     async def create(self, file_path: str, key: Optional[bytes] = None,
@@ -83,7 +83,7 @@ class SourceManager:
         raise NotImplementedError()
 
     async def delete(self, source: ManagedDownloadSource, delete_file: Optional[bool] = False):
-        self.remove(source)
+        await self.remove(source)
         if delete_file and source.output_file_exists:
             os.remove(source.full_path)
 

lbry/schema/Makefile

@@ -2,4 +2,5 @@ build:
 	rm types/v2/* -rf
 	touch types/v2/__init__.py
 	cd types/v2/ && protoc --python_out=. -I ../../../../../types/v2/proto/ ../../../../../types/v2/proto/*.proto
+	cd types/v2/ && cp ../../../../../types/jsonschema/* ./
 	sed -e 's/^import\ \(.*\)_pb2\ /from . import\ \1_pb2\ /g' -i types/v2/*.py

lbry/schema/claim.py

@@ -398,6 +398,12 @@ class Repost(BaseClaim):
 
     claim_type = Claim.REPOST
 
+    def to_dict(self):
+        claim = super().to_dict()
+        if claim.pop('claim_hash', None):
+            claim['claim_id'] = self.reference.claim_id
+        return claim
+
     @property
     def reference(self) -> ClaimReference:
         return ClaimReference(self.message)

lbry/schema/result.py

@@ -1,13 +1,11 @@
 import base64
-from typing import List, TYPE_CHECKING, Union, Optional
+from typing import List, Union, Optional, NamedTuple
 from binascii import hexlify
 from itertools import chain
 
 from lbry.error import ResolveCensoredError
 from lbry.schema.types.v2.result_pb2 import Outputs as OutputsMessage
 from lbry.schema.types.v2.result_pb2 import Error as ErrorMessage
-if TYPE_CHECKING:
-    from lbry.wallet.server.leveldb import ResolveResult
 
 INVALID = ErrorMessage.Code.Name(ErrorMessage.INVALID)
 NOT_FOUND = ErrorMessage.Code.Name(ErrorMessage.NOT_FOUND)
@@ -24,6 +22,31 @@ def set_reference(reference, claim_hash, rows):
                 return
 
 
+class ResolveResult(NamedTuple):
+    name: str
+    normalized_name: str
+    claim_hash: bytes
+    tx_num: int
+    position: int
+    tx_hash: bytes
+    height: int
+    amount: int
+    short_url: str
+    is_controlling: bool
+    canonical_url: str
+    creation_height: int
+    activation_height: int
+    expiration_height: int
+    effective_amount: int
+    support_amount: int
+    reposted: int
+    last_takeover_height: Optional[int]
+    claims_in_channel: Optional[int]
+    channel_hash: Optional[bytes]
+    reposted_claim_hash: Optional[bytes]
+    signature_valid: Optional[bool]
+
+
 class Censor:
 
     NOT_CENSORED = 0
@@ -154,19 +177,6 @@ class Outputs:
             outputs.blocked, outputs.blocked_total
         )
 
-    @classmethod
-    def from_grpc(cls, outputs: OutputsMessage) -> 'Outputs':
-        txs = set()
-        for txo_message in chain(outputs.txos, outputs.extra_txos):
-            if txo_message.WhichOneof('meta') == 'error':
-                continue
-            txs.add((hexlify(txo_message.tx_hash[::-1]).decode(), txo_message.height))
-        return cls(
-            outputs.txos, outputs.extra_txos, txs,
-            outputs.offset, outputs.total,
-            outputs.blocked, outputs.blocked_total
-        )
-
     @classmethod
     def to_base64(cls, txo_rows, extra_txo_rows, offset=0, total=None, blocked=None) -> str:
         return base64.b64encode(cls.to_bytes(txo_rows, extra_txo_rows, offset, total, blocked)).decode()

lbry/schema/types/v2/hub_pb2.py

@@ -1,960 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: hub.proto
-"""Generated protocol buffer code."""
-from google.protobuf import descriptor as _descriptor
-from google.protobuf import message as _message
-from google.protobuf import reflection as _reflection
-from google.protobuf import symbol_database as _symbol_database
-# @@protoc_insertion_point(imports)
-
-_sym_db = _symbol_database.Default()
-
-
-from . import result_pb2 as result__pb2
-
-
-DESCRIPTOR = _descriptor.FileDescriptor(
-  name='hub.proto',
-  package='pb',
-  syntax='proto3',
-  serialized_options=b'Z$github.com/lbryio/hub/protobuf/go/pb',
-  create_key=_descriptor._internal_create_key,
-  serialized_pb=b'\n\thub.proto\x12\x02pb\x1a\x0cresult.proto\"\x0e\n\x0c\x45mptyMessage\".\n\rServerMessage\x12\x0f\n\x07\x61\x64\x64ress\x18\x01 \x01(\t\x12\x0c\n\x04port\x18\x02 \x01(\t\"N\n\x0cHelloMessage\x12\x0c\n\x04port\x18\x01 \x01(\t\x12\x0c\n\x04host\x18\x02 \x01(\t\x12\"\n\x07servers\x18\x03 \x03(\x0b\x32\x11.pb.ServerMessage\"0\n\x0fInvertibleField\x12\x0e\n\x06invert\x18\x01 \x01(\x08\x12\r\n\x05value\x18\x02 \x03(\t\"\x1c\n\x0bStringValue\x12\r\n\x05value\x18\x01 \x01(\t\"\x1a\n\tBoolValue\x12\r\n\x05value\x18\x01 \x01(\x08\"\x1c\n\x0bUInt32Value\x12\r\n\x05value\x18\x01 \x01(\r\"j\n\nRangeField\x12\x1d\n\x02op\x18\x01 \x01(\x0e\x32\x11.pb.RangeField.Op\x12\r\n\x05value\x18\x02 \x03(\x05\".\n\x02Op\x12\x06\n\x02\x45Q\x10\x00\x12\x07\n\x03LTE\x10\x01\x12\x07\n\x03GTE\x10\x02\x12\x06\n\x02LT\x10\x03\x12\x06\n\x02GT\x10\x04\"\x8e\x0c\n\rSearchRequest\x12%\n\x08\x63laim_id\x18\x01 \x01(\x0b\x32\x13.pb.InvertibleField\x12\'\n\nchannel_id\x18\x02 \x01(\x0b\x32\x13.pb.InvertibleField\x12\x0c\n\x04text\x18\x03 \x01(\t\x12\r\n\x05limit\x18\x04 \x01(\x05\x12\x10\n\x08order_by\x18\x05 \x03(\t\x12\x0e\n\x06offset\x18\x06 \x01(\r\x12\x16\n\x0eis_controlling\x18\x07 \x01(\x08\x12\x1d\n\x15last_take_over_height\x18\x08 \x01(\t\x12\x12\n\nclaim_name\x18\t \x01(\t\x12\x17\n\x0fnormalized_name\x18\n \x01(\t\x12#\n\x0btx_position\x18\x0b \x03(\x0b\x32\x0e.pb.RangeField\x12\x1e\n\x06\x61mount\x18\x0c \x03(\x0b\x32\x0e.pb.RangeField\x12!\n\ttimestamp\x18\r \x03(\x0b\x32\x0e.pb.RangeField\x12*\n\x12\x63reation_timestamp\x18\x0e \x03(\x0b\x32\x0e.pb.RangeField\x12\x1e\n\x06height\x18\x0f \x03(\x0b\x32\x0e.pb.RangeField\x12\'\n\x0f\x63reation_height\x18\x10 \x03(\x0b\x32\x0e.pb.RangeField\x12)\n\x11\x61\x63tivation_height\x18\x11 \x03(\x0b\x32\x0e.pb.RangeField\x12)\n\x11\x65xpiration_height\x18\x12 \x03(\x0b\x32\x0e.pb.RangeField\x12$\n\x0crelease_time\x18\x13 \x03(\x0b\x32\x0e.pb.RangeField\x12\x11\n\tshort_url\x18\x14 \x01(\t\x12\x15\n\rcanonical_url\x18\x15 \x01(\t\x12\r\n\x05title\x18\x16 \x01(\t\x12\x0e\n\x06\x61uthor\x18\x17 \x01(\t\x12\x13\n\x0b\x64\x65scription\x18\x18 \x01(\t\x12\x12\n\nclaim_type\x18\x19 \x03(\t\x12$\n\x0crepost_count\x18\x1a \x03(\x0b\x32\x0e.pb.RangeField\x12\x13\n\x0bstream_type\x18\x1b \x03(\t\x12\x12\n\nmedia_type\x18\x1c \x03(\t\x12\"\n\nfee_amount\x18\x1d \x03(\x0b\x32\x0e.pb.RangeField\x12\x14\n\x0c\x66\x65\x65_currency\x18\x1e \x01(\t\x12 \n\x08\x64uration\x18\x1f \x03(\x0b\x32\x0e.pb.RangeField\x12\x19\n\x11reposted_claim_id\x18  \x01(\t\x12#\n\x0b\x63\x65nsor_type\x18! \x03(\x0b\x32\x0e.pb.RangeField\x12\x19\n\x11\x63laims_in_channel\x18\" \x01(\t\x12)\n\x12is_signature_valid\x18$ \x01(\x0b\x32\r.pb.BoolValue\x12(\n\x10\x65\x66\x66\x65\x63tive_amount\x18% \x03(\x0b\x32\x0e.pb.RangeField\x12&\n\x0esupport_amount\x18& \x03(\x0b\x32\x0e.pb.RangeField\x12&\n\x0etrending_score\x18\' \x03(\x0b\x32\x0e.pb.RangeField\x12\r\n\x05tx_id\x18+ \x01(\t\x12 \n\x07tx_nout\x18, \x01(\x0b\x32\x0f.pb.UInt32Value\x12\x11\n\tsignature\x18- \x01(\t\x12\x18\n\x10signature_digest\x18. \x01(\t\x12\x18\n\x10public_key_bytes\x18/ \x01(\t\x12\x15\n\rpublic_key_id\x18\x30 \x01(\t\x12\x10\n\x08\x61ny_tags\x18\x31 \x03(\t\x12\x10\n\x08\x61ll_tags\x18\x32 \x03(\t\x12\x10\n\x08not_tags\x18\x33 \x03(\t\x12\x1d\n\x15has_channel_signature\x18\x34 \x01(\x08\x12!\n\nhas_source\x18\x35 \x01(\x0b\x32\r.pb.BoolValue\x12 \n\x18limit_claims_per_channel\x18\x36 \x01(\x05\x12\x15\n\rany_languages\x18\x37 \x03(\t\x12\x15\n\rall_languages\x18\x38 \x03(\t\x12\x19\n\x11remove_duplicates\x18\x39 \x01(\x08\x12\x11\n\tno_totals\x18: \x01(\x08\x12\x0f\n\x07sd_hash\x18; \x01(\t2\x88\x03\n\x03Hub\x12*\n\x06Search\x12\x11.pb.SearchRequest\x1a\x0b.pb.Outputs\"\x00\x12+\n\x04Ping\x12\x10.pb.EmptyMessage\x1a\x0f.pb.StringValue\"\x00\x12-\n\x05Hello\x12\x10.pb.HelloMessage\x1a\x10.pb.HelloMessage\"\x00\x12/\n\x07\x41\x64\x64Peer\x12\x11.pb.ServerMessage\x1a\x0f.pb.StringValue\"\x00\x12\x35\n\rPeerSubscribe\x12\x11.pb.ServerMessage\x1a\x0f.pb.StringValue\"\x00\x12.\n\x07Version\x12\x10.pb.EmptyMessage\x1a\x0f.pb.StringValue\"\x00\x12/\n\x08\x46\x65\x61tures\x12\x10.pb.EmptyMessage\x1a\x0f.pb.StringValue\"\x00\x12\x30\n\tBroadcast\x12\x10.pb.EmptyMessage\x1a\x0f.pb.UInt32Value\"\x00\x42&Z$github.com/lbryio/hub/protobuf/go/pbb\x06proto3'
-  ,
-  dependencies=[result__pb2.DESCRIPTOR,])
-
-
-
-_RANGEFIELD_OP = _descriptor.EnumDescriptor(
-  name='Op',
-  full_name='pb.RangeField.Op',
-  filename=None,
-  file=DESCRIPTOR,
-  create_key=_descriptor._internal_create_key,
-  values=[
-    _descriptor.EnumValueDescriptor(
-      name='EQ', index=0, number=0,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='LTE', index=1, number=1,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='GTE', index=2, number=2,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='LT', index=3, number=3,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-    _descriptor.EnumValueDescriptor(
-      name='GT', index=4, number=4,
-      serialized_options=None,
-      type=None,
-      create_key=_descriptor._internal_create_key),
-  ],
-  containing_type=None,
-  serialized_options=None,
-  serialized_start=373,
-  serialized_end=419,
-)
-_sym_db.RegisterEnumDescriptor(_RANGEFIELD_OP)
-
-
-_EMPTYMESSAGE = _descriptor.Descriptor(
-  name='EmptyMessage',
-  full_name='pb.EmptyMessage',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=31,
-  serialized_end=45,
-)
-
-
-_SERVERMESSAGE = _descriptor.Descriptor(
-  name='ServerMessage',
-  full_name='pb.ServerMessage',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='address', full_name='pb.ServerMessage.address', index=0,
-      number=1, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='port', full_name='pb.ServerMessage.port', index=1,
-      number=2, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=47,
-  serialized_end=93,
-)
-
-
-_HELLOMESSAGE = _descriptor.Descriptor(
-  name='HelloMessage',
-  full_name='pb.HelloMessage',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='port', full_name='pb.HelloMessage.port', index=0,
-      number=1, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='host', full_name='pb.HelloMessage.host', index=1,
-      number=2, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='servers', full_name='pb.HelloMessage.servers', index=2,
-      number=3, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=95,
-  serialized_end=173,
-)
-
-
-_INVERTIBLEFIELD = _descriptor.Descriptor(
-  name='InvertibleField',
-  full_name='pb.InvertibleField',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='invert', full_name='pb.InvertibleField.invert', index=0,
-      number=1, type=8, cpp_type=7, label=1,
-      has_default_value=False, default_value=False,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='value', full_name='pb.InvertibleField.value', index=1,
-      number=2, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=175,
-  serialized_end=223,
-)
-
-
-_STRINGVALUE = _descriptor.Descriptor(
-  name='StringValue',
-  full_name='pb.StringValue',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='value', full_name='pb.StringValue.value', index=0,
-      number=1, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=225,
-  serialized_end=253,
-)
-
-
-_BOOLVALUE = _descriptor.Descriptor(
-  name='BoolValue',
-  full_name='pb.BoolValue',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='value', full_name='pb.BoolValue.value', index=0,
-      number=1, type=8, cpp_type=7, label=1,
-      has_default_value=False, default_value=False,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=255,
-  serialized_end=281,
-)
-
-
-_UINT32VALUE = _descriptor.Descriptor(
-  name='UInt32Value',
-  full_name='pb.UInt32Value',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='value', full_name='pb.UInt32Value.value', index=0,
-      number=1, type=13, cpp_type=3, label=1,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=283,
-  serialized_end=311,
-)
-
-
-_RANGEFIELD = _descriptor.Descriptor(
-  name='RangeField',
-  full_name='pb.RangeField',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='op', full_name='pb.RangeField.op', index=0,
-      number=1, type=14, cpp_type=8, label=1,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='value', full_name='pb.RangeField.value', index=1,
-      number=2, type=5, cpp_type=1, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-    _RANGEFIELD_OP,
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=313,
-  serialized_end=419,
-)
-
-
-_SEARCHREQUEST = _descriptor.Descriptor(
-  name='SearchRequest',
-  full_name='pb.SearchRequest',
-  filename=None,
-  file=DESCRIPTOR,
-  containing_type=None,
-  create_key=_descriptor._internal_create_key,
-  fields=[
-    _descriptor.FieldDescriptor(
-      name='claim_id', full_name='pb.SearchRequest.claim_id', index=0,
-      number=1, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='channel_id', full_name='pb.SearchRequest.channel_id', index=1,
-      number=2, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='text', full_name='pb.SearchRequest.text', index=2,
-      number=3, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='limit', full_name='pb.SearchRequest.limit', index=3,
-      number=4, type=5, cpp_type=1, label=1,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='order_by', full_name='pb.SearchRequest.order_by', index=4,
-      number=5, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='offset', full_name='pb.SearchRequest.offset', index=5,
-      number=6, type=13, cpp_type=3, label=1,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='is_controlling', full_name='pb.SearchRequest.is_controlling', index=6,
-      number=7, type=8, cpp_type=7, label=1,
-      has_default_value=False, default_value=False,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='last_take_over_height', full_name='pb.SearchRequest.last_take_over_height', index=7,
-      number=8, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='claim_name', full_name='pb.SearchRequest.claim_name', index=8,
-      number=9, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='normalized_name', full_name='pb.SearchRequest.normalized_name', index=9,
-      number=10, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='tx_position', full_name='pb.SearchRequest.tx_position', index=10,
-      number=11, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='amount', full_name='pb.SearchRequest.amount', index=11,
-      number=12, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='timestamp', full_name='pb.SearchRequest.timestamp', index=12,
-      number=13, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='creation_timestamp', full_name='pb.SearchRequest.creation_timestamp', index=13,
-      number=14, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='height', full_name='pb.SearchRequest.height', index=14,
-      number=15, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='creation_height', full_name='pb.SearchRequest.creation_height', index=15,
-      number=16, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='activation_height', full_name='pb.SearchRequest.activation_height', index=16,
-      number=17, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='expiration_height', full_name='pb.SearchRequest.expiration_height', index=17,
-      number=18, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='release_time', full_name='pb.SearchRequest.release_time', index=18,
-      number=19, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='short_url', full_name='pb.SearchRequest.short_url', index=19,
-      number=20, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='canonical_url', full_name='pb.SearchRequest.canonical_url', index=20,
-      number=21, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='title', full_name='pb.SearchRequest.title', index=21,
-      number=22, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='author', full_name='pb.SearchRequest.author', index=22,
-      number=23, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='description', full_name='pb.SearchRequest.description', index=23,
-      number=24, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='claim_type', full_name='pb.SearchRequest.claim_type', index=24,
-      number=25, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='repost_count', full_name='pb.SearchRequest.repost_count', index=25,
-      number=26, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='stream_type', full_name='pb.SearchRequest.stream_type', index=26,
-      number=27, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='media_type', full_name='pb.SearchRequest.media_type', index=27,
-      number=28, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='fee_amount', full_name='pb.SearchRequest.fee_amount', index=28,
-      number=29, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='fee_currency', full_name='pb.SearchRequest.fee_currency', index=29,
-      number=30, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='duration', full_name='pb.SearchRequest.duration', index=30,
-      number=31, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='reposted_claim_id', full_name='pb.SearchRequest.reposted_claim_id', index=31,
-      number=32, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='censor_type', full_name='pb.SearchRequest.censor_type', index=32,
-      number=33, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='claims_in_channel', full_name='pb.SearchRequest.claims_in_channel', index=33,
-      number=34, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='is_signature_valid', full_name='pb.SearchRequest.is_signature_valid', index=34,
-      number=36, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='effective_amount', full_name='pb.SearchRequest.effective_amount', index=35,
-      number=37, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='support_amount', full_name='pb.SearchRequest.support_amount', index=36,
-      number=38, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='trending_score', full_name='pb.SearchRequest.trending_score', index=37,
-      number=39, type=11, cpp_type=10, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='tx_id', full_name='pb.SearchRequest.tx_id', index=38,
-      number=43, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='tx_nout', full_name='pb.SearchRequest.tx_nout', index=39,
-      number=44, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='signature', full_name='pb.SearchRequest.signature', index=40,
-      number=45, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='signature_digest', full_name='pb.SearchRequest.signature_digest', index=41,
-      number=46, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='public_key_bytes', full_name='pb.SearchRequest.public_key_bytes', index=42,
-      number=47, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='public_key_id', full_name='pb.SearchRequest.public_key_id', index=43,
-      number=48, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='any_tags', full_name='pb.SearchRequest.any_tags', index=44,
-      number=49, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='all_tags', full_name='pb.SearchRequest.all_tags', index=45,
-      number=50, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='not_tags', full_name='pb.SearchRequest.not_tags', index=46,
-      number=51, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='has_channel_signature', full_name='pb.SearchRequest.has_channel_signature', index=47,
-      number=52, type=8, cpp_type=7, label=1,
-      has_default_value=False, default_value=False,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='has_source', full_name='pb.SearchRequest.has_source', index=48,
-      number=53, type=11, cpp_type=10, label=1,
-      has_default_value=False, default_value=None,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='limit_claims_per_channel', full_name='pb.SearchRequest.limit_claims_per_channel', index=49,
-      number=54, type=5, cpp_type=1, label=1,
-      has_default_value=False, default_value=0,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='any_languages', full_name='pb.SearchRequest.any_languages', index=50,
-      number=55, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='all_languages', full_name='pb.SearchRequest.all_languages', index=51,
-      number=56, type=9, cpp_type=9, label=3,
-      has_default_value=False, default_value=[],
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='remove_duplicates', full_name='pb.SearchRequest.remove_duplicates', index=52,
-      number=57, type=8, cpp_type=7, label=1,
-      has_default_value=False, default_value=False,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='no_totals', full_name='pb.SearchRequest.no_totals', index=53,
-      number=58, type=8, cpp_type=7, label=1,
-      has_default_value=False, default_value=False,
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-    _descriptor.FieldDescriptor(
-      name='sd_hash', full_name='pb.SearchRequest.sd_hash', index=54,
-      number=59, type=9, cpp_type=9, label=1,
-      has_default_value=False, default_value=b"".decode('utf-8'),
-      message_type=None, enum_type=None, containing_type=None,
-      is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
-  ],
-  extensions=[
-  ],
-  nested_types=[],
-  enum_types=[
-  ],
-  serialized_options=None,
-  is_extendable=False,
-  syntax='proto3',
-  extension_ranges=[],
-  oneofs=[
-  ],
-  serialized_start=422,
-  serialized_end=1972,
-)
-
-_HELLOMESSAGE.fields_by_name['servers'].message_type = _SERVERMESSAGE
-_RANGEFIELD.fields_by_name['op'].enum_type = _RANGEFIELD_OP
-_RANGEFIELD_OP.containing_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['claim_id'].message_type = _INVERTIBLEFIELD
-_SEARCHREQUEST.fields_by_name['channel_id'].message_type = _INVERTIBLEFIELD
-_SEARCHREQUEST.fields_by_name['tx_position'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['amount'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['timestamp'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['creation_timestamp'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['height'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['creation_height'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['activation_height'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['expiration_height'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['release_time'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['repost_count'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['fee_amount'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['duration'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['censor_type'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['is_signature_valid'].message_type = _BOOLVALUE
-_SEARCHREQUEST.fields_by_name['effective_amount'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['support_amount'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['trending_score'].message_type = _RANGEFIELD
-_SEARCHREQUEST.fields_by_name['tx_nout'].message_type = _UINT32VALUE
-_SEARCHREQUEST.fields_by_name['has_source'].message_type = _BOOLVALUE
-DESCRIPTOR.message_types_by_name['EmptyMessage'] = _EMPTYMESSAGE
-DESCRIPTOR.message_types_by_name['ServerMessage'] = _SERVERMESSAGE
-DESCRIPTOR.message_types_by_name['HelloMessage'] = _HELLOMESSAGE
-DESCRIPTOR.message_types_by_name['InvertibleField'] = _INVERTIBLEFIELD
-DESCRIPTOR.message_types_by_name['StringValue'] = _STRINGVALUE
-DESCRIPTOR.message_types_by_name['BoolValue'] = _BOOLVALUE
-DESCRIPTOR.message_types_by_name['UInt32Value'] = _UINT32VALUE
-DESCRIPTOR.message_types_by_name['RangeField'] = _RANGEFIELD
-DESCRIPTOR.message_types_by_name['SearchRequest'] = _SEARCHREQUEST
-_sym_db.RegisterFileDescriptor(DESCRIPTOR)
-
-EmptyMessage = _reflection.GeneratedProtocolMessageType('EmptyMessage', (_message.Message,), {
-  'DESCRIPTOR' : _EMPTYMESSAGE,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.EmptyMessage)
-  })
-_sym_db.RegisterMessage(EmptyMessage)
-
-ServerMessage = _reflection.GeneratedProtocolMessageType('ServerMessage', (_message.Message,), {
-  'DESCRIPTOR' : _SERVERMESSAGE,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.ServerMessage)
-  })
-_sym_db.RegisterMessage(ServerMessage)
-
-HelloMessage = _reflection.GeneratedProtocolMessageType('HelloMessage', (_message.Message,), {
-  'DESCRIPTOR' : _HELLOMESSAGE,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.HelloMessage)
-  })
-_sym_db.RegisterMessage(HelloMessage)
-
-InvertibleField = _reflection.GeneratedProtocolMessageType('InvertibleField', (_message.Message,), {
-  'DESCRIPTOR' : _INVERTIBLEFIELD,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.InvertibleField)
-  })
-_sym_db.RegisterMessage(InvertibleField)
-
-StringValue = _reflection.GeneratedProtocolMessageType('StringValue', (_message.Message,), {
-  'DESCRIPTOR' : _STRINGVALUE,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.StringValue)
-  })
-_sym_db.RegisterMessage(StringValue)
-
-BoolValue = _reflection.GeneratedProtocolMessageType('BoolValue', (_message.Message,), {
-  'DESCRIPTOR' : _BOOLVALUE,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.BoolValue)
-  })
-_sym_db.RegisterMessage(BoolValue)
-
-UInt32Value = _reflection.GeneratedProtocolMessageType('UInt32Value', (_message.Message,), {
-  'DESCRIPTOR' : _UINT32VALUE,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.UInt32Value)
-  })
-_sym_db.RegisterMessage(UInt32Value)
-
-RangeField = _reflection.GeneratedProtocolMessageType('RangeField', (_message.Message,), {
-  'DESCRIPTOR' : _RANGEFIELD,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.RangeField)
-  })
-_sym_db.RegisterMessage(RangeField)
-
-SearchRequest = _reflection.GeneratedProtocolMessageType('SearchRequest', (_message.Message,), {
-  'DESCRIPTOR' : _SEARCHREQUEST,
-  '__module__' : 'hub_pb2'
-  # @@protoc_insertion_point(class_scope:pb.SearchRequest)
-  })
-_sym_db.RegisterMessage(SearchRequest)
-
-
-DESCRIPTOR._options = None
-
-_HUB = _descriptor.ServiceDescriptor(
-  name='Hub',
-  full_name='pb.Hub',
-  file=DESCRIPTOR,
-  index=0,
-  serialized_options=None,
-  create_key=_descriptor._internal_create_key,
-  serialized_start=1975,
-  serialized_end=2367,
-  methods=[
-  _descriptor.MethodDescriptor(
-    name='Search',
-    full_name='pb.Hub.Search',
-    index=0,
-    containing_service=None,
-    input_type=_SEARCHREQUEST,
-    output_type=result__pb2._OUTPUTS,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='Ping',
-    full_name='pb.Hub.Ping',
-    index=1,
-    containing_service=None,
-    input_type=_EMPTYMESSAGE,
-    output_type=_STRINGVALUE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='Hello',
-    full_name='pb.Hub.Hello',
-    index=2,
-    containing_service=None,
-    input_type=_HELLOMESSAGE,
-    output_type=_HELLOMESSAGE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='AddPeer',
-    full_name='pb.Hub.AddPeer',
-    index=3,
-    containing_service=None,
-    input_type=_SERVERMESSAGE,
-    output_type=_STRINGVALUE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='PeerSubscribe',
-    full_name='pb.Hub.PeerSubscribe',
-    index=4,
-    containing_service=None,
-    input_type=_SERVERMESSAGE,
-    output_type=_STRINGVALUE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='Version',
-    full_name='pb.Hub.Version',
-    index=5,
-    containing_service=None,
-    input_type=_EMPTYMESSAGE,
-    output_type=_STRINGVALUE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='Features',
-    full_name='pb.Hub.Features',
-    index=6,
-    containing_service=None,
-    input_type=_EMPTYMESSAGE,
-    output_type=_STRINGVALUE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-  _descriptor.MethodDescriptor(
-    name='Broadcast',
-    full_name='pb.Hub.Broadcast',
-    index=7,
-    containing_service=None,
-    input_type=_EMPTYMESSAGE,
-    output_type=_UINT32VALUE,
-    serialized_options=None,
-    create_key=_descriptor._internal_create_key,
-  ),
-])
-_sym_db.RegisterServiceDescriptor(_HUB)
-
-DESCRIPTOR.services_by_name['Hub'] = _HUB
-
-# @@protoc_insertion_point(module_scope)

lbry/schema/types/v2/hub_pb2_grpc.py

@@ -1,298 +0,0 @@
-# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
-"""Client and server classes corresponding to protobuf-defined services."""
-import grpc
-
-from . import hub_pb2 as hub__pb2
-from . import result_pb2 as result__pb2
-
-
-class HubStub(object):
-    """Missing associated documentation comment in .proto file."""
-
-    def __init__(self, channel):
-        """Constructor.
-
-        Args:
-            channel: A grpc.Channel.
-        """
-        self.Search = channel.unary_unary(
-                '/pb.Hub/Search',
-                request_serializer=hub__pb2.SearchRequest.SerializeToString,
-                response_deserializer=result__pb2.Outputs.FromString,
-                )
-        self.Ping = channel.unary_unary(
-                '/pb.Hub/Ping',
-                request_serializer=hub__pb2.EmptyMessage.SerializeToString,
-                response_deserializer=hub__pb2.StringValue.FromString,
-                )
-        self.Hello = channel.unary_unary(
-                '/pb.Hub/Hello',
-                request_serializer=hub__pb2.HelloMessage.SerializeToString,
-                response_deserializer=hub__pb2.HelloMessage.FromString,
-                )
-        self.AddPeer = channel.unary_unary(
-                '/pb.Hub/AddPeer',
-                request_serializer=hub__pb2.ServerMessage.SerializeToString,
-                response_deserializer=hub__pb2.StringValue.FromString,
-                )
-        self.PeerSubscribe = channel.unary_unary(
-                '/pb.Hub/PeerSubscribe',
-                request_serializer=hub__pb2.ServerMessage.SerializeToString,
-                response_deserializer=hub__pb2.StringValue.FromString,
-                )
-        self.Version = channel.unary_unary(
-                '/pb.Hub/Version',
-                request_serializer=hub__pb2.EmptyMessage.SerializeToString,
-                response_deserializer=hub__pb2.StringValue.FromString,
-                )
-        self.Features = channel.unary_unary(
-                '/pb.Hub/Features',
-                request_serializer=hub__pb2.EmptyMessage.SerializeToString,
-                response_deserializer=hub__pb2.StringValue.FromString,
-                )
-        self.Broadcast = channel.unary_unary(
-                '/pb.Hub/Broadcast',
-                request_serializer=hub__pb2.EmptyMessage.SerializeToString,
-                response_deserializer=hub__pb2.UInt32Value.FromString,
-                )
-
-
-class HubServicer(object):
-    """Missing associated documentation comment in .proto file."""
-
-    def Search(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-    def Ping(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-    def Hello(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-    def AddPeer(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-    def PeerSubscribe(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-    def Version(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-    def Features(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-    def Broadcast(self, request, context):
-        """Missing associated documentation comment in .proto file."""
-        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details('Method not implemented!')
-        raise NotImplementedError('Method not implemented!')
-
-
-def add_HubServicer_to_server(servicer, server):
-    rpc_method_handlers = {
-            'Search': grpc.unary_unary_rpc_method_handler(
-                    servicer.Search,
-                    request_deserializer=hub__pb2.SearchRequest.FromString,
-                    response_serializer=result__pb2.Outputs.SerializeToString,
-            ),
-            'Ping': grpc.unary_unary_rpc_method_handler(
-                    servicer.Ping,
-                    request_deserializer=hub__pb2.EmptyMessage.FromString,
-                    response_serializer=hub__pb2.StringValue.SerializeToString,
-            ),
-            'Hello': grpc.unary_unary_rpc_method_handler(
-                    servicer.Hello,
-                    request_deserializer=hub__pb2.HelloMessage.FromString,
-                    response_serializer=hub__pb2.HelloMessage.SerializeToString,
-            ),
-            'AddPeer': grpc.unary_unary_rpc_method_handler(
-                    servicer.AddPeer,
-                    request_deserializer=hub__pb2.ServerMessage.FromString,
-                    response_serializer=hub__pb2.StringValue.SerializeToString,
-            ),
-            'PeerSubscribe': grpc.unary_unary_rpc_method_handler(
-                    servicer.PeerSubscribe,
-                    request_deserializer=hub__pb2.ServerMessage.FromString,
-                    response_serializer=hub__pb2.StringValue.SerializeToString,
-            ),
-            'Version': grpc.unary_unary_rpc_method_handler(
-                    servicer.Version,
-                    request_deserializer=hub__pb2.EmptyMessage.FromString,
-                    response_serializer=hub__pb2.StringValue.SerializeToString,
-            ),
-            'Features': grpc.unary_unary_rpc_method_handler(
-                    servicer.Features,
-                    request_deserializer=hub__pb2.EmptyMessage.FromString,
-                    response_serializer=hub__pb2.StringValue.SerializeToString,
-            ),
-            'Broadcast': grpc.unary_unary_rpc_method_handler(
-                    servicer.Broadcast,
-                    request_deserializer=hub__pb2.EmptyMessage.FromString,
-                    response_serializer=hub__pb2.UInt32Value.SerializeToString,
-            ),
-    }
-    generic_handler = grpc.method_handlers_generic_handler(
-            'pb.Hub', rpc_method_handlers)
-    server.add_generic_rpc_handlers((generic_handler,))
-
-
- # This class is part of an EXPERIMENTAL API.
-class Hub(object):
-    """Missing associated documentation comment in .proto file."""
-
-    @staticmethod
-    def Search(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/Search',
-            hub__pb2.SearchRequest.SerializeToString,
-            result__pb2.Outputs.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
-    @staticmethod
-    def Ping(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/Ping',
-            hub__pb2.EmptyMessage.SerializeToString,
-            hub__pb2.StringValue.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
-    @staticmethod
-    def Hello(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/Hello',
-            hub__pb2.HelloMessage.SerializeToString,
-            hub__pb2.HelloMessage.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
-    @staticmethod
-    def AddPeer(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/AddPeer',
-            hub__pb2.ServerMessage.SerializeToString,
-            hub__pb2.StringValue.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
-    @staticmethod
-    def PeerSubscribe(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/PeerSubscribe',
-            hub__pb2.ServerMessage.SerializeToString,
-            hub__pb2.StringValue.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
-    @staticmethod
-    def Version(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/Version',
-            hub__pb2.EmptyMessage.SerializeToString,
-            hub__pb2.StringValue.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
-    @staticmethod
-    def Features(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/Features',
-            hub__pb2.EmptyMessage.SerializeToString,
-            hub__pb2.StringValue.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
-
-    @staticmethod
-    def Broadcast(request,
-            target,
-            options=(),
-            channel_credentials=None,
-            call_credentials=None,
-            insecure=False,
-            compression=None,
-            wait_for_ready=None,
-            timeout=None,
-            metadata=None):
-        return grpc.experimental.unary_unary(request, target, '/pb.Hub/Broadcast',
-            hub__pb2.EmptyMessage.SerializeToString,
-            hub__pb2.UInt32Value.FromString,
-            options, channel_credentials,
-            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)

lbry/schema/types/v2/result_pb2_grpc.py

@@ -1,4 +0,0 @@
-# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
-"""Client and server classes corresponding to protobuf-defined services."""
-import grpc
-

lbry/schema/types/v2/wallet.json

@@ -0,0 +1,139 @@
+{
+  "title": "Wallet",
+  "description": "An LBC wallet",
+  "type": "object",
+  "required": ["name", "version", "accounts", "preferences"],
+  "additionalProperties": false,
+  "properties": {
+    "name": {
+      "description": "Human readable name for this wallet",
+      "type": "string"
+    },
+    "version": {
+      "description": "Wallet spec version",
+      "type": "integer",
+      "$comment": "Should this be a string? We may need some sort of decimal type if we want exact decimal versions."
+    },
+    "accounts": {
+      "description": "Accounts associated with this wallet",
+      "type": "array",
+      "items": {
+        "type": "object",
+        "required": ["address_generator", "certificates", "encrypted", "ledger", "modified_on", "name", "private_key", "public_key", "seed"],
+        "additionalProperties": false,
+        "properties": {
+          "address_generator": {
+            "description": "Higher level manager of either singular or deterministically generated addresses",
+            "type": "object",
+            "oneOf": [
+              {
+                "required": ["name", "change", "receiving"],
+                "additionalProperties": false,
+                "properties": {
+                  "name": {
+                    "description": "type of address generator: a deterministic chain of addresses",
+                    "enum": ["deterministic-chain"],
+                    "type": "string"
+                  },
+                  "change": {
+                    "$ref": "#/$defs/address_manager",
+                    "description": "Manager for deterministically generated change address (not used for single address)"
+                  },
+                  "receiving": {
+                    "$ref": "#/$defs/address_manager",
+                    "description": "Manager for deterministically generated receiving address (not used for single address)"
+                  }
+                }
+              }, {
+                "required": ["name"],
+                "additionalProperties": false,
+                "properties": {
+                  "name": {
+                    "description": "type of address generator: a single address",
+                    "enum": ["single-address"],
+                    "type": "string"
+                  }
+                }
+              }
+            ]
+          },
+          "certificates": {
+            "type": "object",
+            "description": "Channel keys. Mapping from public key address to pem-formatted private key.",
+            "additionalProperties": {"type": "string"}
+          },
+          "encrypted": {
+            "type": "boolean",
+            "description": "Whether private key and seed are encrypted with a password"
+          },
+          "ledger": {
+            "description": "Which network to use",
+            "type": "string",
+            "examples": [
+              "lbc_mainnet",
+              "lbc_testnet"
+            ]
+          },
+          "modified_on": {
+            "description": "last modified time in Unix Time",
+            "type": "integer"
+          },
+          "name": {
+            "description": "Name for account, possibly human readable",
+            "type": "string"
+          },
+          "private_key": {
+            "description": "Private key for address if `address_generator` is a single address. Root of chain of private keys for addresses if `address_generator` is a deterministic chain of addresses. Encrypted if `encrypted` is true.",
+            "type": "string"
+          },
+          "public_key": {
+            "description": "Public key for address if `address_generator` is a single address. Root of chain of public keys for addresses if `address_generator` is a deterministic chain of addresses.",
+            "type": "string"
+          },
+          "seed": {
+            "description": "Human readable representation of `private_key`. encrypted if `encrypted` is set to `true`",
+            "type": "string"
+          }
+        }
+      }
+    },
+    "preferences": {
+      "description": "Timestamped application-level preferences. Values can be objects or of a primitive type.",
+      "$comment": "enable-sync is seen in example wallet. encrypt-on-disk is seen in example wallet. they both have a boolean `value` field. Do we want them explicitly defined here? local and shared seem to have at least a similar structure (type, value [yes, again], version), value being the free-form part. Should we define those here? Or can there be any key under preferences, and `value` be literally be anything in any form?",
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "required": ["ts", "value"],
+        "additionalProperties": false,
+        "properties": {
+          "ts": {
+            "type": "number",
+            "description": "When the item was set, in Unix time format.",
+            "$comment": "Do we want a string (decimal)?"
+          },
+          "value": {
+            "$comment": "Sometimes this has been an object, sometimes just a boolean. I don't want to prescribe anything."
+          }
+        }
+      }
+    }
+  },
+  "$defs": {
+    "address_manager": {
+      "description": "Manager for deterministically generated addresses",
+      "type": "object",
+      "required": ["gap", "maximum_uses_per_address"],
+      "additionalProperties": false,
+      "properties": {
+        "gap": {
+          "description": "Maximum allowed consecutive generated addresses with no transactions",
+          "type": "integer"
+        },
+        "maximum_uses_per_address": {
+          "description": "Maximum number of uses for each generated address",
+          "type": "integer"
+        }
+      }
+    }
+  }
+}

lbry/stream/background_downloader.py

@@ -23,6 +23,7 @@ class BackgroundDownloader:
         except ValueError:
             return
         except asyncio.CancelledError:
+            log.debug("Cancelled background downloader")
             raise
         except Exception:
             log.error("Unexpected download error on background downloader")

lbry/stream/descriptor.py

@@ -194,12 +194,13 @@ class StreamDescriptor:
             raise InvalidStreamDescriptorError("Stream terminator blob should not have a hash")
         if any(i != blob_info['blob_num'] for i, blob_info in enumerate(decoded['blobs'])):
             raise InvalidStreamDescriptorError("Stream contains out of order or skipped blobs")
+        added_on = time.time()
         descriptor = cls(
             loop, blob_dir,
             binascii.unhexlify(decoded['stream_name']).decode(),
             decoded['key'],
             binascii.unhexlify(decoded['suggested_file_name']).decode(),
-            [BlobInfo(info['blob_num'], info['length'], info['iv'], info.get('blob_hash'))
+            [BlobInfo(info['blob_num'], info['length'], info['iv'], added_on, info.get('blob_hash'))
              for info in decoded['blobs']],
             decoded['stream_hash'],
             blob.blob_hash
@@ -266,7 +267,7 @@ class StreamDescriptor:
             blobs.append(blob_info)
         blobs.append(
             # add the stream terminator
-            BlobInfo(len(blobs), 0, binascii.hexlify(next(iv_generator)).decode(), None, added_on, True)
+            BlobInfo(len(blobs), 0, binascii.hexlify(next(iv_generator)).decode(), added_on, None, True)
         )
         file_name = os.path.basename(file_path)
         suggested_file_name = sanitize_file_name(file_name)

lbry/stream/downloader.py

@@ -8,6 +8,8 @@ from lbry.error import DownloadSDTimeoutError
 from lbry.utils import lru_cache_concurrent
 from lbry.stream.descriptor import StreamDescriptor
 from lbry.blob_exchange.downloader import BlobDownloader
+from lbry.torrent.tracker import enqueue_tracker_search
+
 if typing.TYPE_CHECKING:
     from lbry.conf import Config
     from lbry.dht.node import Node
@@ -25,8 +27,8 @@ class StreamDownloader:
         self.config = config
         self.blob_manager = blob_manager
         self.sd_hash = sd_hash
-        self.search_queue = asyncio.Queue(loop=loop)     # blob hashes to feed into the iterative finder
+        self.search_queue = asyncio.Queue()     # blob hashes to feed into the iterative finder
-        self.peer_queue = asyncio.Queue(loop=loop)       # new peers to try
+        self.peer_queue = asyncio.Queue()       # new peers to try
         self.blob_downloader = BlobDownloader(self.loop, self.config, self.blob_manager, self.peer_queue)
         self.descriptor: typing.Optional[StreamDescriptor] = descriptor
         self.node: typing.Optional['Node'] = None
@@ -70,7 +72,7 @@ class StreamDownloader:
                 now = self.loop.time()
                 sd_blob = await asyncio.wait_for(
                     self.blob_downloader.download_blob(self.sd_hash, connection_id),
-                    self.config.blob_download_timeout, loop=self.loop
+                    self.config.blob_download_timeout
                 )
                 log.info("downloaded sd blob %s", self.sd_hash)
                 self.time_to_descriptor = self.loop.time() - now
@@ -91,6 +93,7 @@ class StreamDownloader:
                 self.accumulate_task.cancel()
             _, self.accumulate_task = self.node.accumulate_peers(self.search_queue, self.peer_queue)
         await self.add_fixed_peers()
+        enqueue_tracker_search(bytes.fromhex(self.sd_hash), self.peer_queue)
         # start searching for peers for the sd hash
         self.search_queue.put_nowait(self.sd_hash)
         log.info("searching for peers for stream %s", self.sd_hash)
@@ -108,7 +111,7 @@ class StreamDownloader:
             raise ValueError(f"blob {blob_info.blob_hash} is not part of stream with sd hash {self.sd_hash}")
         blob = await asyncio.wait_for(
             self.blob_downloader.download_blob(blob_info.blob_hash, blob_info.length, connection_id),
-            self.config.blob_download_timeout * 10, loop=self.loop
+            self.config.blob_download_timeout * 10
         )
         return blob
 

lbry/stream/managed_stream.py

@@ -16,10 +16,8 @@ from lbry.file.source import ManagedDownloadSource
 
 if typing.TYPE_CHECKING:
     from lbry.conf import Config
-    from lbry.schema.claim import Claim
     from lbry.blob.blob_manager import BlobManager
     from lbry.blob.blob_info import BlobInfo
-    from lbry.dht.node import Node
     from lbry.extras.daemon.analytics import AnalyticsManager
     from lbry.wallet.transaction import Transaction
 
@@ -62,9 +60,9 @@ class ManagedStream(ManagedDownloadSource):
         self.file_output_task: typing.Optional[asyncio.Task] = None
         self.delayed_stop_task: typing.Optional[asyncio.Task] = None
         self.streaming_responses: typing.List[typing.Tuple[Request, StreamResponse]] = []
-        self.fully_reflected = asyncio.Event(loop=self.loop)
+        self.fully_reflected = asyncio.Event()
-        self.streaming = asyncio.Event(loop=self.loop)
+        self.streaming = asyncio.Event()
-        self._running = asyncio.Event(loop=self.loop)
+        self._running = asyncio.Event()
 
     @property
     def sd_hash(self) -> str:
@@ -84,7 +82,19 @@ class ManagedStream(ManagedDownloadSource):
 
     @property
     def file_name(self) -> Optional[str]:
-        return self._file_name or (self.descriptor.suggested_file_name if self.descriptor else None)
+        return self._file_name or self.suggested_file_name
+
+    @property
+    def suggested_file_name(self) -> Optional[str]:
+        first_option = ((self.descriptor and self.descriptor.suggested_file_name) or '').strip()
+        return sanitize_file_name(first_option or (self.stream_claim_info and self.stream_claim_info.claim and
+                                                   self.stream_claim_info.claim.stream.source.name))
+
+    @property
+    def stream_name(self) -> Optional[str]:
+        first_option = ((self.descriptor and self.descriptor.stream_name) or '').strip()
+        return first_option or (self.stream_claim_info and self.stream_claim_info.claim and
+                                self.stream_claim_info.claim.stream.source.name)
 
     @property
     def written_bytes(self) -> int:
@@ -118,7 +128,7 @@ class ManagedStream(ManagedDownloadSource):
 
     @property
     def mime_type(self):
-        return guess_media_type(os.path.basename(self.descriptor.suggested_file_name))[0]
+        return guess_media_type(os.path.basename(self.suggested_file_name))[0]
 
     @property
     def download_path(self):
@@ -151,7 +161,7 @@ class ManagedStream(ManagedDownloadSource):
         log.info("start downloader for stream (sd hash: %s)", self.sd_hash)
         self._running.set()
         try:
-            await asyncio.wait_for(self.downloader.start(), timeout, loop=self.loop)
+            await asyncio.wait_for(self.downloader.start(), timeout)
         except asyncio.TimeoutError:
             self._running.clear()
             raise DownloadSDTimeoutError(self.sd_hash)
@@ -164,7 +174,7 @@ class ManagedStream(ManagedDownloadSource):
                 if not self._file_name:
                     self._file_name = await get_next_available_file_name(
                         self.loop, self.download_directory,
-                        self._file_name or sanitize_file_name(self.descriptor.suggested_file_name)
+                        self._file_name or sanitize_file_name(self.suggested_file_name)
                     )
                 file_name, download_dir = self._file_name, self.download_directory
             else:
@@ -181,7 +191,7 @@ class ManagedStream(ManagedDownloadSource):
         Stop any running save/stream tasks as well as the downloader and update the status in the database
         """
 
-        self.stop_tasks()
+        await self.stop_tasks()
         if (finished and self.status != self.STATUS_FINISHED) or self.status == self.STATUS_RUNNING:
             await self.update_status(self.STATUS_FINISHED if finished else self.STATUS_STOPPED)
 
@@ -269,7 +279,7 @@ class ManagedStream(ManagedDownloadSource):
             log.info("finished saving file for lbry://%s#%s (sd hash %s...) -> %s", self.claim_name, self.claim_id,
                      self.sd_hash[:6], self.full_path)
             await self.blob_manager.storage.set_saved_file(self.stream_hash)
-        except Exception as err:
+        except (Exception, asyncio.CancelledError) as err:
             if os.path.isfile(output_path):
                 log.warning("removing incomplete download %s for %s", output_path, self.sd_hash)
                 os.remove(output_path)
@@ -296,14 +306,14 @@ class ManagedStream(ManagedDownloadSource):
         self.download_directory = download_directory or self.download_directory or self.config.download_dir
         if not self.download_directory:
             raise ValueError("no directory to download to")
-        if not (file_name or self._file_name or self.descriptor.suggested_file_name):
+        if not (file_name or self._file_name or self.suggested_file_name):
             raise ValueError("no file name to download to")
         if not os.path.isdir(self.download_directory):
             log.warning("download directory '%s' does not exist, attempting to make it", self.download_directory)
             os.mkdir(self.download_directory)
         self._file_name = await get_next_available_file_name(
             self.loop, self.download_directory,
-            file_name or self._file_name or sanitize_file_name(self.descriptor.suggested_file_name)
+            file_name or self._file_name or sanitize_file_name(self.suggested_file_name)
         )
         await self.blob_manager.storage.change_file_download_dir_and_file_name(
             self.stream_hash, self.download_directory, self.file_name
@@ -311,15 +321,16 @@ class ManagedStream(ManagedDownloadSource):
         await self.update_status(ManagedStream.STATUS_RUNNING)
         self.file_output_task = self.loop.create_task(self._save_file(self.full_path))
         try:
-            await asyncio.wait_for(self.started_writing.wait(), self.config.download_timeout, loop=self.loop)
+            await asyncio.wait_for(self.started_writing.wait(), self.config.download_timeout)
         except asyncio.TimeoutError:
             log.warning("timeout starting to write data for lbry://%s#%s", self.claim_name, self.claim_id)
-            self.stop_tasks()
+            await self.stop_tasks()
             await self.update_status(ManagedStream.STATUS_STOPPED)
 
-    def stop_tasks(self):
+    async def stop_tasks(self):
         if self.file_output_task and not self.file_output_task.done():
             self.file_output_task.cancel()
+            await asyncio.gather(self.file_output_task, return_exceptions=True)
         self.file_output_task = None
         while self.streaming_responses:
             req, response = self.streaming_responses.pop()
@@ -356,7 +367,7 @@ class ManagedStream(ManagedDownloadSource):
             return sent
         except ConnectionError:
             return sent
-        except (OSError, Exception) as err:
+        except (OSError, Exception, asyncio.CancelledError) as err:
             if isinstance(err, asyncio.CancelledError):
                 log.warning("stopped uploading %s#%s to reflector", self.claim_name, self.claim_id)
             elif isinstance(err, OSError):
@@ -391,7 +402,7 @@ class ManagedStream(ManagedDownloadSource):
                          self.sd_hash[:6])
                 await self.stop()
                 return
-            await asyncio.sleep(1, loop=self.loop)
+            await asyncio.sleep(1)
 
     def _prepare_range_response_headers(self, get_range: str) -> typing.Tuple[typing.Dict[str, str], int, int, int]:
         if '=' in get_range:

lbry/stream/reflector/server.py

@@ -21,7 +21,7 @@ class ReflectorServerProtocol(asyncio.Protocol):
         self.loop = asyncio.get_event_loop()
         self.blob_manager = blob_manager
         self.server_task: asyncio.Task = None
-        self.started_listening = asyncio.Event(loop=self.loop)
+        self.started_listening = asyncio.Event()
         self.buf = b''
         self.transport: asyncio.StreamWriter = None
         self.writer: typing.Optional['HashBlobWriter'] = None
@@ -29,9 +29,9 @@ class ReflectorServerProtocol(asyncio.Protocol):
         self.descriptor: typing.Optional['StreamDescriptor'] = None
         self.sd_blob: typing.Optional['BlobFile'] = None
         self.received = []
-        self.incoming = incoming_event or asyncio.Event(loop=self.loop)
+        self.incoming = incoming_event or asyncio.Event()
-        self.not_incoming = not_incoming_event or asyncio.Event(loop=self.loop)
+        self.not_incoming = not_incoming_event or asyncio.Event()
-        self.stop_event = stop_event or asyncio.Event(loop=self.loop)
+        self.stop_event = stop_event or asyncio.Event()
         self.chunk_size = response_chunk_size
         self.wait_for_stop_task: typing.Optional[asyncio.Task] = None
         self.partial_event = partial_event
@@ -94,7 +94,7 @@ class ReflectorServerProtocol(asyncio.Protocol):
                 self.incoming.set()
                 self.send_response({"send_sd_blob": True})
                 try:
-                    await asyncio.wait_for(self.sd_blob.verified.wait(), 30, loop=self.loop)
+                    await asyncio.wait_for(self.sd_blob.verified.wait(), 30)
                     self.descriptor = await StreamDescriptor.from_stream_descriptor_blob(
                         self.loop, self.blob_manager.blob_dir, self.sd_blob
                     )
@@ -140,7 +140,7 @@ class ReflectorServerProtocol(asyncio.Protocol):
                 self.incoming.set()
                 self.send_response({"send_blob": True})
                 try:
-                    await asyncio.wait_for(blob.verified.wait(), 30, loop=self.loop)
+                    await asyncio.wait_for(blob.verified.wait(), 30)
                     self.send_response({"received_blob": True})
                 except asyncio.TimeoutError:
                     self.send_response({"received_blob": False})
@@ -162,10 +162,10 @@ class ReflectorServer:
         self.loop = asyncio.get_event_loop()
         self.blob_manager = blob_manager
         self.server_task: typing.Optional[asyncio.Task] = None
-        self.started_listening = asyncio.Event(loop=self.loop)
+        self.started_listening = asyncio.Event()
-        self.stopped_listening = asyncio.Event(loop=self.loop)
+        self.stopped_listening = asyncio.Event()
-        self.incoming_event = incoming_event or asyncio.Event(loop=self.loop)
+        self.incoming_event = incoming_event or asyncio.Event()
-        self.not_incoming_event = not_incoming_event or asyncio.Event(loop=self.loop)
+        self.not_incoming_event = not_incoming_event or asyncio.Event()
         self.response_chunk_size = response_chunk_size
         self.stop_event = stop_event
         self.partial_needs = partial_needs  # for testing cases where it doesn't know what it wants

lbry/stream/stream_manager.py

@@ -54,7 +54,7 @@ class StreamManager(SourceManager):
         self.re_reflect_task: Optional[asyncio.Task] = None
         self.update_stream_finished_futs: typing.List[asyncio.Future] = []
         self.running_reflector_uploads: typing.Dict[str, asyncio.Task] = {}
-        self.started = asyncio.Event(loop=self.loop)
+        self.started = asyncio.Event()
 
     @property
     def streams(self):
@@ -70,6 +70,7 @@ class StreamManager(SourceManager):
 
     async def recover_streams(self, file_infos: typing.List[typing.Dict]):
         to_restore = []
+        to_check = []
 
         async def recover_stream(sd_hash: str, stream_hash: str, stream_name: str,
                                  suggested_file_name: str, key: str,
@@ -82,6 +83,7 @@ class StreamManager(SourceManager):
             if not descriptor:
                 return
             to_restore.append((descriptor, sd_blob, content_fee))
+            to_check.extend([sd_blob.blob_hash] + [blob.blob_hash for blob in descriptor.blobs[:-1]])
 
         await asyncio.gather(*[
             recover_stream(
@@ -93,6 +95,8 @@ class StreamManager(SourceManager):
 
         if to_restore:
             await self.storage.recover_streams(to_restore, self.config.download_dir)
+        if to_check:
+            await self.blob_manager.ensure_completed_blobs_status(to_check)
 
         # if self.blob_manager._save_blobs:
         #     log.info("Recovered %i/%i attempted streams", len(to_restore), len(file_infos))
@@ -146,7 +150,7 @@ class StreamManager(SourceManager):
                 file_info['added_on'], file_info['fully_reflected']
             )))
         if add_stream_tasks:
-            await asyncio.gather(*add_stream_tasks, loop=self.loop)
+            await asyncio.gather(*add_stream_tasks)
         log.info("Started stream manager with %i files", len(self._sources))
         if not self.node:
             log.info("no DHT node given, resuming downloads trusting that we can contact reflector")
@@ -155,14 +159,11 @@ class StreamManager(SourceManager):
             self.resume_saving_task = asyncio.ensure_future(asyncio.gather(
                 *(self._sources[sd_hash].save_file(file_name, download_directory)
                   for (file_name, download_directory, sd_hash) in to_resume_saving),
-                loop=self.loop
             ))
 
     async def reflect_streams(self):
         try:
             return await self._reflect_streams()
-        except asyncio.CancelledError:
-            raise
         except Exception:
             log.exception("reflector task encountered an unexpected error!")
 
@@ -182,21 +183,21 @@ class StreamManager(SourceManager):
                         batch.append(self.reflect_stream(stream))
                     if len(batch) >= self.config.concurrent_reflector_uploads:
                         log.debug("waiting for batch of %s reflecting streams", len(batch))
-                        await asyncio.gather(*batch, loop=self.loop)
+                        await asyncio.gather(*batch)
                         log.debug("done processing %s streams", len(batch))
                         batch = []
                 if batch:
                     log.debug("waiting for batch of %s reflecting streams", len(batch))
-                    await asyncio.gather(*batch, loop=self.loop)
+                    await asyncio.gather(*batch)
                     log.debug("done processing %s streams", len(batch))
-            await asyncio.sleep(300, loop=self.loop)
+            await asyncio.sleep(300)
 
     async def start(self):
         await super().start()
         self.re_reflect_task = self.loop.create_task(self.reflect_streams())
 
-    def stop(self):
+    async def stop(self):
-        super().stop()
+        await super().stop()
         if self.resume_saving_task and not self.resume_saving_task.done():
             self.resume_saving_task.cancel()
         if self.re_reflect_task and not self.re_reflect_task.done():
@@ -223,7 +224,8 @@ class StreamManager(SourceManager):
         )
         return task
 
-    async def _retriable_reflect_stream(self, stream, host, port):
+    @staticmethod
+    async def _retriable_reflect_stream(stream, host, port):
         sent = await stream.upload_to_reflector(host, port)
         while not stream.is_fully_reflected and stream.reflector_progress > 0 and len(sent) > 0:
             stream.reflector_progress = 0
@@ -258,7 +260,7 @@ class StreamManager(SourceManager):
             return
         if source.identifier in self.running_reflector_uploads:
             self.running_reflector_uploads[source.identifier].cancel()
-        source.stop_tasks()
+        await source.stop_tasks()
         if source.identifier in self.streams:
             del self.streams[source.identifier]
         blob_hashes = [source.identifier] + [b.blob_hash for b in source.descriptor.blobs[:-1]]

lbry/testcase.py

@@ -19,7 +19,7 @@ from lbry.conf import Config
 from lbry.wallet.util import satoshis_to_coins
 from lbry.wallet.dewies import lbc_to_dewies
 from lbry.wallet.orchstr8 import Conductor
-from lbry.wallet.orchstr8.node import BlockchainNode, WalletNode, HubNode
+from lbry.wallet.orchstr8.node import LBCWalletNode, WalletNode
 from lbry.schema.claim import Claim
 
 from lbry.extras.daemon.daemon import Daemon, jsonrpc_dumps_pretty
@@ -236,8 +236,7 @@ class IntegrationTestCase(AsyncioTestCase):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.conductor: Optional[Conductor] = None
-        self.blockchain: Optional[BlockchainNode] = None
+        self.blockchain: Optional[LBCWalletNode] = None
-        self.hub: Optional[HubNode] = None
         self.wallet_node: Optional[WalletNode] = None
         self.manager: Optional[WalletManager] = None
         self.ledger: Optional[Ledger] = None
@@ -246,16 +245,15 @@ class IntegrationTestCase(AsyncioTestCase):
 
     async def asyncSetUp(self):
         self.conductor = Conductor(seed=self.SEED)
-        await self.conductor.start_blockchain()
+        await self.conductor.start_lbcd()
-        self.addCleanup(self.conductor.stop_blockchain)
+        self.addCleanup(self.conductor.stop_lbcd)
+        await self.conductor.start_lbcwallet()
+        self.addCleanup(self.conductor.stop_lbcwallet)
         await self.conductor.start_spv()
         self.addCleanup(self.conductor.stop_spv)
         await self.conductor.start_wallet()
         self.addCleanup(self.conductor.stop_wallet)
-        await self.conductor.start_hub()
+        self.blockchain = self.conductor.lbcwallet_node
-        self.addCleanup(self.conductor.stop_hub)
-        self.blockchain = self.conductor.blockchain_node
-        self.hub = self.conductor.hub_node
         self.wallet_node = self.conductor.wallet_node
         self.manager = self.wallet_node.manager
         self.ledger = self.wallet_node.ledger
@@ -269,6 +267,13 @@ class IntegrationTestCase(AsyncioTestCase):
     def broadcast(self, tx):
         return self.ledger.broadcast(tx)
 
+    async def broadcast_and_confirm(self, tx, ledger=None):
+        ledger = ledger or self.ledger
+        notifications = asyncio.create_task(ledger.wait(tx))
+        await ledger.broadcast(tx)
+        await notifications
+        await self.generate_and_wait(1, [tx.id], ledger)
+
     async def on_header(self, height):
         if self.ledger.headers.height < height:
             await self.ledger.on_header.where(
@@ -276,11 +281,29 @@ class IntegrationTestCase(AsyncioTestCase):
             )
         return True
 
-    def on_transaction_id(self, txid, ledger=None):
+    async def send_to_address_and_wait(self, address, amount, blocks_to_generate=0, ledger=None):
-        return (ledger or self.ledger).on_transaction.where(
+        tx_watch = []
-            lambda e: e.tx.id == txid
+        txid = None
+        done = False
+        watcher = (ledger or self.ledger).on_transaction.where(
+            lambda e: e.tx.id == txid or done or tx_watch.append(e.tx.id)
         )
 
+        txid = await self.blockchain.send_to_address(address, amount)
+        done = txid in tx_watch
+        await watcher
+
+        await self.generate_and_wait(blocks_to_generate, [txid], ledger)
+        return txid
+
+    async def generate_and_wait(self, blocks_to_generate, txids, ledger=None):
+        if blocks_to_generate > 0:
+            watcher = (ledger or self.ledger).on_transaction.where(
+                lambda e: ((e.tx.id in txids and txids.remove(e.tx.id)), len(txids) <= 0)[-1]  # multi-statement lambda
+            )
+            await self.generate(blocks_to_generate)
+            await watcher
+
     def on_address_update(self, address):
         return self.ledger.on_transaction.where(
             lambda e: e.address == address
@@ -291,6 +314,22 @@ class IntegrationTestCase(AsyncioTestCase):
             lambda e: e.tx.id == tx.id and e.address == address
         )
 
+    async def generate(self, blocks):
+        """ Ask lbrycrd to generate some blocks and wait until ledger has them. """
+        prepare = self.ledger.on_header.where(self.blockchain.is_expected_block)
+        self.conductor.spv_node.server.synchronized.clear()
+        await self.blockchain.generate(blocks)
+        height = self.blockchain.block_expected
+        await prepare  # no guarantee that it didn't happen already, so start waiting from before calling generate
+        while True:
+            await self.conductor.spv_node.server.synchronized.wait()
+            self.conductor.spv_node.server.synchronized.clear()
+            if self.conductor.spv_node.server.db.db_height < height:
+                continue
+            if self.conductor.spv_node.server._es_height < height:
+                continue
+            break
+
 
 class FakeExchangeRateManager(ExchangeRateManager):
 
@@ -351,20 +390,19 @@ class CommandTestCase(IntegrationTestCase):
         self.skip_libtorrent = True
 
     async def asyncSetUp(self):
-        await super().asyncSetUp()
 
         logging.getLogger('lbry.blob_exchange').setLevel(self.VERBOSITY)
         logging.getLogger('lbry.daemon').setLevel(self.VERBOSITY)
         logging.getLogger('lbry.stream').setLevel(self.VERBOSITY)
         logging.getLogger('lbry.wallet').setLevel(self.VERBOSITY)
 
+        await super().asyncSetUp()
+
         self.daemon = await self.add_daemon(self.wallet_node)
 
         await self.account.ensure_address_gap()
         address = (await self.account.receiving.get_addresses(limit=1, only_usable=True))[0]
-        sendtxid = await self.blockchain.send_to_address(address, 10)
+        await self.send_to_address_and_wait(address, 10, 6)
-        await self.confirm_tx(sendtxid)
-        await self.generate(5)
 
         server_tmp_dir = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, server_tmp_dir)
@@ -461,9 +499,14 @@ class CommandTestCase(IntegrationTestCase):
 
     async def confirm_tx(self, txid, ledger=None):
         """ Wait for tx to be in mempool, then generate a block, wait for tx to be in a block. """
-        await self.on_transaction_id(txid, ledger)
+        # await (ledger or self.ledger).on_transaction.where(lambda e: e.tx.id == txid)
-        await self.generate(1)
+        on_tx = (ledger or self.ledger).on_transaction.where(lambda e: e.tx.id == txid)
-        await self.on_transaction_id(txid, ledger)
+        await asyncio.wait([self.generate(1), on_tx], timeout=5)
+
+        # # actually, if it's in the mempool or in the block we're fine
+        # await self.generate_and_wait(1, [txid], ledger=ledger)
+        # return txid
+
         return txid
 
     async def on_transaction_dict(self, tx):
@@ -478,12 +521,6 @@ class CommandTestCase(IntegrationTestCase):
             addresses.add(txo['address'])
         return list(addresses)
 
-    async def generate(self, blocks):
-        """ Ask lbrycrd to generate some blocks and wait until ledger has them. """
-        prepare = self.ledger.on_header.where(self.blockchain.is_expected_block)
-        await self.blockchain.generate(blocks)
-        await prepare  # no guarantee that it didn't happen already, so start waiting from before calling generate
-
     async def blockchain_claim_name(self, name: str, value: str, amount: str, confirm=True):
         txid = await self.blockchain._cli_cmnd('claimname', name, value, amount)
         if confirm:
@@ -514,7 +551,7 @@ class CommandTestCase(IntegrationTestCase):
             return self.sout(tx)
         return tx
 
-    async def create_nondeterministic_channel(self, name, price, pubkey_bytes, daemon=None):
+    async def create_nondeterministic_channel(self, name, price, pubkey_bytes, daemon=None, blocking=False):
         account = (daemon or self.daemon).wallet_manager.default_account
         claim_address = await account.receiving.get_or_create_usable_address()
         claim = Claim()
@@ -524,7 +561,7 @@ class CommandTestCase(IntegrationTestCase):
             claim_address, [self.account], self.account
         )
         await tx.sign([self.account])
-        await (daemon or self.daemon).broadcast_or_release(tx, False)
+        await (daemon or self.daemon).broadcast_or_release(tx, blocking)
         return self.sout(tx)
 
     def create_upload_file(self, data, prefix=None, suffix=None):

lbry/torrent/session.py

@@ -10,47 +10,13 @@ from typing import Optional
 import libtorrent
 
 
-NOTIFICATION_MASKS = [
-    "error",
-    "peer",
-    "port_mapping",
-    "storage",
-    "tracker",
-    "debug",
-    "status",
-    "progress",
-    "ip_block",
-    "dht",
-    "stats",
-    "session_log",
-    "torrent_log",
-    "peer_log",
-    "incoming_request",
-    "dht_log",
-    "dht_operation",
-    "port_mapping_log",
-    "picker_log",
-    "file_progress",
-    "piece_progress",
-    "upload",
-    "block_progress"
-]
 log = logging.getLogger(__name__)
-
-
 DEFAULT_FLAGS = (  # fixme: somehow the logic here is inverted?
         libtorrent.add_torrent_params_flags_t.flag_auto_managed
         | libtorrent.add_torrent_params_flags_t.flag_update_subscribe
 )
 
 
-def get_notification_type(notification) -> str:
-    for i, notification_type in enumerate(NOTIFICATION_MASKS):
-        if (1 << i) & notification:
-            return notification_type
-    raise ValueError("unrecognized notification type")
-
-
 class TorrentHandle:
     def __init__(self, loop, executor, handle):
         self._loop = loop
@@ -121,7 +87,7 @@ class TorrentHandle:
             self._show_status()
             if self.finished.is_set():
                 break
-            await asyncio.sleep(0.1, loop=self._loop)
+            await asyncio.sleep(0.1)
 
     async def pause(self):
         await self._loop.run_in_executor(
@@ -156,10 +122,8 @@ class TorrentSession:
     async def bind(self, interface: str = '0.0.0.0', port: int = 10889):
         settings = {
             'listen_interfaces': f"{interface}:{port}",
-            'enable_outgoing_utp': True,
+            'enable_natpmp': False,
-            'enable_incoming_utp': True,
+            'enable_upnp': False
-            'enable_outgoing_tcp': False,
-            'enable_incoming_tcp': False
         }
         self._session = await self._loop.run_in_executor(
             self._executor, libtorrent.session, settings  # pylint: disable=c-extension-no-member
@@ -186,7 +150,7 @@ class TorrentSession:
             await self._loop.run_in_executor(
                 self._executor, self._pop_alerts
             )
-            await asyncio.sleep(1, loop=self._loop)
+            await asyncio.sleep(1)
 
     async def pause(self):
         await self._loop.run_in_executor(

lbry/torrent/torrent.py

@@ -36,7 +36,7 @@ class Torrent:
     def __init__(self, loop, handle):
         self._loop = loop
         self._handle = handle
-        self.finished = asyncio.Event(loop=loop)
+        self.finished = asyncio.Event()
 
     def _threaded_update_status(self):
         status = self._handle.status()
@@ -58,7 +58,7 @@ class Torrent:
                 log.info("finished downloading torrent!")
                 await self.pause()
                 break
-            await asyncio.sleep(1, loop=self._loop)
+            await asyncio.sleep(1)
 
     async def pause(self):
         log.info("pause torrent")

lbry/torrent/torrent_manager.py

@@ -74,7 +74,7 @@ class TorrentSource(ManagedDownloadSource):
     def bt_infohash(self):
         return self.identifier
 
-    def stop_tasks(self):
+    async def stop_tasks(self):
         pass
 
     @property
@@ -118,8 +118,8 @@ class TorrentManager(SourceManager):
     async def start(self):
         await super().start()
 
-    def stop(self):
+    async def stop(self):
-        super().stop()
+        await super().stop()
         log.info("finished stopping the torrent manager")
 
     async def delete(self, source: ManagedDownloadSource, delete_file: Optional[bool] = False):

lbry/torrent/tracker.py

@@ -0,0 +1,285 @@
+import random
+import socket
+import string
+import struct
+import asyncio
+import logging
+import time
+import ipaddress
+from collections import namedtuple
+from functools import reduce
+from typing import Optional
+
+from lbry.dht.node import get_kademlia_peers_from_hosts
+from lbry.utils import resolve_host, async_timed_cache, cache_concurrent
+from lbry.wallet.stream import StreamController
+from lbry import version
+
+log = logging.getLogger(__name__)
+CONNECTION_EXPIRES_AFTER_SECONDS = 50
+PREFIX = 'LB'  # todo: PR BEP20 to add ourselves
+DEFAULT_TIMEOUT_SECONDS = 10.0
+DEFAULT_CONCURRENCY_LIMIT = 100
+# see: http://bittorrent.org/beps/bep_0015.html and http://xbtt.sourceforge.net/udp_tracker_protocol.html
+ConnectRequest = namedtuple("ConnectRequest", ["connection_id", "action", "transaction_id"])
+ConnectResponse = namedtuple("ConnectResponse", ["action", "transaction_id", "connection_id"])
+AnnounceRequest = namedtuple("AnnounceRequest",
+                             ["connection_id", "action", "transaction_id", "info_hash", "peer_id", "downloaded", "left",
+                              "uploaded", "event", "ip_addr", "key", "num_want", "port"])
+AnnounceResponse = namedtuple("AnnounceResponse",
+                              ["action", "transaction_id", "interval", "leechers", "seeders", "peers"])
+CompactIPv4Peer = namedtuple("CompactPeer", ["address", "port"])
+ScrapeRequest = namedtuple("ScrapeRequest", ["connection_id", "action", "transaction_id", "infohashes"])
+ScrapeResponse = namedtuple("ScrapeResponse", ["action", "transaction_id", "items"])
+ScrapeResponseItem = namedtuple("ScrapeResponseItem", ["seeders", "completed", "leechers"])
+ErrorResponse = namedtuple("ErrorResponse", ["action", "transaction_id", "message"])
+structs = {
+    ConnectRequest: struct.Struct(">QII"),
+    ConnectResponse: struct.Struct(">IIQ"),
+    AnnounceRequest: struct.Struct(">QII20s20sQQQIIIiH"),
+    AnnounceResponse: struct.Struct(">IIIII"),
+    CompactIPv4Peer: struct.Struct(">IH"),
+    ScrapeRequest: struct.Struct(">QII"),
+    ScrapeResponse: struct.Struct(">II"),
+    ScrapeResponseItem: struct.Struct(">III"),
+    ErrorResponse: struct.Struct(">II")
+}
+
+
+def decode(cls, data, offset=0):
+    decoder = structs[cls]
+    if cls is AnnounceResponse:
+        return AnnounceResponse(*decoder.unpack_from(data, offset),
+                                peers=[decode(CompactIPv4Peer, data, index) for index in range(20, len(data), 6)])
+    elif cls is ScrapeResponse:
+        return ScrapeResponse(*decoder.unpack_from(data, offset),
+                              items=[decode(ScrapeResponseItem, data, index) for index in range(8, len(data), 12)])
+    elif cls is ErrorResponse:
+        return ErrorResponse(*decoder.unpack_from(data, offset), data[decoder.size:])
+    return cls(*decoder.unpack_from(data, offset))
+
+
+def encode(obj):
+    if isinstance(obj, ScrapeRequest):
+        return structs[ScrapeRequest].pack(*obj[:-1]) + b''.join(obj.infohashes)
+    elif isinstance(obj, ErrorResponse):
+        return structs[ErrorResponse].pack(*obj[:-1]) + obj.message
+    elif isinstance(obj, AnnounceResponse):
+        return structs[AnnounceResponse].pack(*obj[:-1]) + b''.join([encode(peer) for peer in obj.peers])
+    return structs[type(obj)].pack(*obj)
+
+
+def make_peer_id(random_part: Optional[str] = None) -> bytes:
+    # see https://wiki.theory.org/BitTorrentSpecification#peer_id and https://www.bittorrent.org/beps/bep_0020.html
+    # not to confuse with node id; peer id identifies uniquely the software, version and instance
+    random_part = random_part or ''.join(random.choice(string.ascii_letters) for _ in range(20))
+    return f"{PREFIX}-{'-'.join(map(str, version))}-{random_part}"[:20].encode()
+
+
+class UDPTrackerClientProtocol(asyncio.DatagramProtocol):
+    def __init__(self, timeout: float = DEFAULT_TIMEOUT_SECONDS):
+        self.transport = None
+        self.data_queue = {}
+        self.timeout = timeout
+        self.semaphore = asyncio.Semaphore(DEFAULT_CONCURRENCY_LIMIT)
+
+    def connection_made(self, transport: asyncio.DatagramTransport) -> None:
+        self.transport = transport
+
+    async def request(self, obj, tracker_ip, tracker_port):
+        self.data_queue[obj.transaction_id] = asyncio.get_running_loop().create_future()
+        try:
+            async with self.semaphore:
+                self.transport.sendto(encode(obj), (tracker_ip, tracker_port))
+                return await asyncio.wait_for(self.data_queue[obj.transaction_id], self.timeout)
+        finally:
+            self.data_queue.pop(obj.transaction_id, None)
+
+    async def connect(self, tracker_ip, tracker_port):
+        transaction_id = random.getrandbits(32)
+        return decode(ConnectResponse,
+                      await self.request(ConnectRequest(0x41727101980, 0, transaction_id), tracker_ip, tracker_port))
+
+    @cache_concurrent
+    @async_timed_cache(CONNECTION_EXPIRES_AFTER_SECONDS)
+    async def ensure_connection_id(self, peer_id, tracker_ip, tracker_port):
+        # peer_id is just to ensure cache coherency
+        return (await self.connect(tracker_ip, tracker_port)).connection_id
+
+    async def announce(self, info_hash, peer_id, port, tracker_ip, tracker_port, stopped=False):
+        connection_id = await self.ensure_connection_id(peer_id, tracker_ip, tracker_port)
+        # this should make the key deterministic but unique per info hash + peer id
+        key = int.from_bytes(info_hash[:4], "big") ^ int.from_bytes(peer_id[:4], "big") ^ port
+        transaction_id = random.getrandbits(32)
+        req = AnnounceRequest(
+            connection_id, 1, transaction_id, info_hash, peer_id, 0, 0, 0, 3 if stopped else 1, 0, key, -1, port)
+        return decode(AnnounceResponse, await self.request(req, tracker_ip, tracker_port))
+
+    async def scrape(self, infohashes, tracker_ip, tracker_port, connection_id=None):
+        connection_id = await self.ensure_connection_id(None, tracker_ip, tracker_port)
+        transaction_id = random.getrandbits(32)
+        reply = await self.request(
+            ScrapeRequest(connection_id, 2, transaction_id, infohashes), tracker_ip, tracker_port)
+        return decode(ScrapeResponse, reply), connection_id
+
+    def datagram_received(self, data: bytes, addr: (str, int)) -> None:
+        if len(data) < 8:
+            return
+        transaction_id = int.from_bytes(data[4:8], byteorder="big", signed=False)
+        if transaction_id in self.data_queue:
+            if not self.data_queue[transaction_id].done():
+                if data[3] == 3:
+                    return self.data_queue[transaction_id].set_exception(Exception(decode(ErrorResponse, data).message))
+                return self.data_queue[transaction_id].set_result(data)
+        log.debug("unexpected packet (can be a response for a previously timed out request): %s", data.hex())
+
+    def connection_lost(self, exc: Exception = None) -> None:
+        self.transport = None
+
+
+class TrackerClient:
+    event_controller = StreamController()
+
+    def __init__(self, node_id, announce_port, get_servers, timeout=10.0):
+        self.client = UDPTrackerClientProtocol(timeout=timeout)
+        self.transport = None
+        self.peer_id = make_peer_id(node_id.hex() if node_id else None)
+        self.announce_port = announce_port
+        self._get_servers = get_servers
+        self.results = {}  # we can't probe the server before the interval, so we keep the result here until it expires
+        self.tasks = {}
+
+    async def start(self):
+        self.transport, _ = await asyncio.get_running_loop().create_datagram_endpoint(
+            lambda: self.client, local_addr=("0.0.0.0", 0))
+        self.event_controller.stream.listen(
+            lambda request: self.on_hash(request[1], request[2]) if request[0] == 'search' else None)
+
+    def stop(self):
+        while self.tasks:
+            self.tasks.popitem()[1].cancel()
+        if self.transport is not None:
+            self.transport.close()
+        self.client = None
+        self.transport = None
+        self.event_controller.close()
+
+    def on_hash(self, info_hash, on_announcement=None):
+        if info_hash not in self.tasks:
+            task = asyncio.create_task(self.get_peer_list(info_hash, on_announcement=on_announcement))
+            task.add_done_callback(lambda *_: self.tasks.pop(info_hash, None))
+            self.tasks[info_hash] = task
+
+    async def announce_many(self, *info_hashes, stopped=False):
+        await asyncio.gather(
+            *[self._announce_many(server, info_hashes, stopped=stopped) for server in self._get_servers()],
+            return_exceptions=True)
+
+    async def _announce_many(self, server, info_hashes, stopped=False):
+        tracker_ip = await resolve_host(*server, 'udp')
+        still_good_info_hashes = {
+            info_hash for (info_hash, (next_announcement, _)) in self.results.get(tracker_ip, {}).items()
+            if time.time() < next_announcement
+        }
+        results = await asyncio.gather(
+            *[self._probe_server(info_hash, tracker_ip, server[1], stopped=stopped)
+              for info_hash in info_hashes if info_hash not in still_good_info_hashes],
+            return_exceptions=True)
+        if results:
+            errors = sum([1 for result in results if result is None or isinstance(result, Exception)])
+            log.info("Tracker: finished announcing %d files to %s:%d, %d errors", len(results), *server, errors)
+
+    async def get_peer_list(self, info_hash, stopped=False, on_announcement=None, no_port=False):
+        found = []
+        probes = [self._probe_server(info_hash, *server, stopped, no_port) for server in self._get_servers()]
+        for done in asyncio.as_completed(probes):
+            result = await done
+            if result is not None:
+                await asyncio.gather(*filter(asyncio.iscoroutine, [on_announcement(result)] if on_announcement else []))
+                found.append(result)
+        return found
+
+    async def get_kademlia_peer_list(self, info_hash):
+        responses = await self.get_peer_list(info_hash, no_port=True)
+        return await announcement_to_kademlia_peers(*responses)
+
+    async def _probe_server(self, info_hash, tracker_host, tracker_port, stopped=False, no_port=False):
+        result = None
+        try:
+            tracker_host = await resolve_host(tracker_host, tracker_port, 'udp')
+        except socket.error:
+            log.warning("DNS failure while resolving tracker host: %s, skipping.", tracker_host)
+            return
+        self.results.setdefault(tracker_host, {})
+        if info_hash in self.results[tracker_host]:
+            next_announcement, result = self.results[tracker_host][info_hash]
+            if time.time() < next_announcement:
+                return result
+        try:
+            result = await self.client.announce(
+                info_hash, self.peer_id, 0 if no_port else self.announce_port, tracker_host, tracker_port, stopped)
+            self.results[tracker_host][info_hash] = (time.time() + result.interval, result)
+        except asyncio.TimeoutError:  # todo: this is UDP, timeout is common, we need a better metric for failures
+            self.results[tracker_host][info_hash] = (time.time() + 60.0, result)
+            log.debug("Tracker timed out: %s:%d", tracker_host, tracker_port)
+            return None
+        log.debug("Announced: %s found %d peers for %s", tracker_host, len(result.peers), info_hash.hex()[:8])
+        return result
+
+
+def enqueue_tracker_search(info_hash: bytes, peer_q: asyncio.Queue):
+    async def on_announcement(announcement: AnnounceResponse):
+        peers = await announcement_to_kademlia_peers(announcement)
+        log.info("Found %d peers from tracker for %s", len(peers), info_hash.hex()[:8])
+        peer_q.put_nowait(peers)
+    TrackerClient.event_controller.add(('search', info_hash, on_announcement))
+
+
+def announcement_to_kademlia_peers(*announcements: AnnounceResponse):
+    peers = [
+        (str(ipaddress.ip_address(peer.address)), peer.port)
+        for announcement in announcements for peer in announcement.peers if peer.port > 1024  # no privileged or 0
+    ]
+    return get_kademlia_peers_from_hosts(peers)
+
+
+class UDPTrackerServerProtocol(asyncio.DatagramProtocol):  # for testing. Not suitable for production
+    def __init__(self):
+        self.transport = None
+        self.known_conns = set()
+        self.peers = {}
+
+    def connection_made(self, transport: asyncio.DatagramTransport) -> None:
+        self.transport = transport
+
+    def add_peer(self, info_hash, ip_address: str, port: int):
+        self.peers.setdefault(info_hash, [])
+        self.peers[info_hash].append(encode_peer(ip_address, port))
+
+    def datagram_received(self, data: bytes, addr: (str, int)) -> None:
+        if len(data) < 16:
+            return
+        action = int.from_bytes(data[8:12], "big", signed=False)
+        if action == 0:
+            req = decode(ConnectRequest, data)
+            connection_id = random.getrandbits(32)
+            self.known_conns.add(connection_id)
+            return self.transport.sendto(encode(ConnectResponse(0, req.transaction_id, connection_id)), addr)
+        elif action == 1:
+            req = decode(AnnounceRequest, data)
+            if req.connection_id not in self.known_conns:
+                resp = encode(ErrorResponse(3, req.transaction_id, b'Connection ID missmatch.\x00'))
+            else:
+                compact_address = encode_peer(addr[0], req.port)
+                if req.event != 3:
+                    self.add_peer(req.info_hash, addr[0], req.port)
+                elif compact_address in self.peers.get(req.info_hash, []):
+                    self.peers[req.info_hash].remove(compact_address)
+                peers = [decode(CompactIPv4Peer, peer) for peer in self.peers[req.info_hash]]
+                resp = encode(AnnounceResponse(1, req.transaction_id, 1700, 0, len(peers), peers))
+            return self.transport.sendto(resp, addr)
+
+
+def encode_peer(ip_address: str, port: int):
+    compact_ip = reduce(lambda buff, x: buff + bytearray([int(x)]), ip_address.split('.'), bytearray())
+    return compact_ip + port.to_bytes(2, "big", signed=False)

lbry/utils.py

@@ -130,21 +130,16 @@ def get_sd_hash(stream_info):
 def json_dumps_pretty(obj, **kwargs):
     return json.dumps(obj, sort_keys=True, indent=2, separators=(',', ': '), **kwargs)
 
-
+try:
-def cancel_task(task: typing.Optional[asyncio.Task]):
+    # the standard contextlib.aclosing() is available in 3.10+
-    if task and not task.done():
+    from contextlib import aclosing  # pylint: disable=unused-import
-        task.cancel()
+except ImportError:
-
+    @contextlib.asynccontextmanager
-
+    async def aclosing(thing):
-def cancel_tasks(tasks: typing.List[typing.Optional[asyncio.Task]]):
+        try:
-    for task in tasks:
+            yield thing
-        cancel_task(task)
+        finally:
-
+            await thing.aclose()
-
-def drain_tasks(tasks: typing.List[typing.Optional[asyncio.Task]]):
-    while tasks:
-        cancel_task(tasks.pop())
-
 
 def async_timed_cache(duration: int):
     def wrapper(func):
@@ -405,7 +400,7 @@ async def fallback_get_external_ip():  # used if spv servers can't be used for i
 
 async def _get_external_ip(default_servers) -> typing.Tuple[typing.Optional[str], typing.Optional[str]]:
     # used if upnp is disabled or non-functioning
-    from lbry.wallet.server.udp import SPVStatusClientProtocol  # pylint: disable=C0415
+    from lbry.wallet.udp import SPVStatusClientProtocol  # pylint: disable=C0415
 
     hostname_to_ip = {}
     ip_to_hostnames = collections.defaultdict(list)
@@ -455,8 +450,8 @@ def is_running_from_bundle():
 
 
 class LockWithMetrics(asyncio.Lock):
-    def __init__(self, acquire_metric, held_time_metric, loop=None):
+    def __init__(self, acquire_metric, held_time_metric):
-        super().__init__(loop=loop)
+        super().__init__()
         self._acquire_metric = acquire_metric
         self._lock_held_time_metric = held_time_metric
         self._lock_acquired_time = None

lbry/wallet/__init__.py

@@ -1,17 +1,23 @@
-__node_daemon__ = 'lbrycrdd'
+__lbcd__ = 'lbcd'
-__node_cli__ = 'lbrycrd-cli'
+__lbcctl__ = 'lbcctl'
-__node_bin__ = ''
+__lbcwallet__ = 'lbcwallet'
-__node_url__ = (
+__lbcd_url__ = (
-    'https://github.com/lbryio/lbrycrd/releases/download/v0.17.4.6/lbrycrd-linux-1746.zip'
+    'https://github.com/lbryio/lbcd/releases/download/' +
+    'v0.22.100-rc.0/lbcd_0.22.100-rc.0_TARGET_PLATFORM.tar.gz'
+)
+__lbcwallet_url__ = (
+    'https://github.com/lbryio/lbcwallet/releases/download/' +
+    'v0.13.100-alpha.0/lbcwallet_0.13.100-alpha.0_TARGET_PLATFORM.tar.gz'
 )
 __spvserver__ = 'lbry.wallet.server.coin.LBCRegTest'
 
-from .wallet import Wallet, WalletStorage, TimestampedPreferences, ENCRYPT_ON_DISK
+from lbry.wallet.wallet import Wallet, WalletStorage, TimestampedPreferences, ENCRYPT_ON_DISK
-from .manager import WalletManager
+from lbry.wallet.manager import WalletManager
-from .network import Network
+from lbry.wallet.network import Network
-from .ledger import Ledger, RegTestLedger, TestNetLedger, BlockHeightEvent
+from lbry.wallet.ledger import Ledger, RegTestLedger, TestNetLedger, BlockHeightEvent
-from .account import Account, AddressManager, SingleKey, HierarchicalDeterministic, DeterministicChannelKeyManager
+from lbry.wallet.account import Account, AddressManager, SingleKey, HierarchicalDeterministic, \
-from .transaction import Transaction, Output, Input
+    DeterministicChannelKeyManager
-from .script import OutputScript, InputScript
+from lbry.wallet.transaction import Transaction, Output, Input
-from .database import SQLiteMixin, Database
+from lbry.wallet.script import OutputScript, InputScript
-from .header import Headers
+from lbry.wallet.database import SQLiteMixin, Database
+from lbry.wallet.header import Headers

lbry/wallet/bip32.py

@@ -215,6 +215,10 @@ class PrivateKey(_KeyBase):
         private_key = cPrivateKey.from_int(key_int)
         return cls(ledger, private_key, bytes((0,)*32), 0, 0)
 
+    @classmethod
+    def from_bytes(cls, ledger, key_bytes) -> 'PrivateKey':
+        return cls(ledger, cPrivateKey(key_bytes), bytes((0,)*32), 0, 0)
+
     @cachedproperty
     def private_key_bytes(self):
         """ Return the serialized private key (no leading zero byte). """

lbry/wallet/checkpoints.py

@@ -1064,4 +1064,182 @@ HASHES = {
     1062000: 'c44d02a890aa66979b10d1cfa597c877f498841b4e12dd9a7bdf8d4a5fccab80',
     1063000: '1c093734f5f241b36c1b9971e2759983f88f4033405a2588b4ebfd6998ac7465',
     1064000: '9e354a83b71bbb9704053bfeea038a9c3d5daad080c6406c698b047c634706a6',
+    1065000: '563188accc4a6e311bd5046516a92a233f11f891b2304d37f151c5a6002b6958',
+    1066000: '333f1b4e996fac87e32dec667533715b31f1736b4342806a81d568b5c5238456',
+    1067000: 'df59a0b7319d5269bdf55043d91ec62bbb30829bb7054da623717a394b6ed678',
+    1068000: '06d8b674a205393edaf20c1d837baadc9caf0b0a675645246263cc163302241d',
+    1069000: 'ac065c48fad1383039d39e23c8367bad7cf9a37e07a5294cd7b04af5827b9961',
+    1070000: '90cd8b50f94208bc459081356474a961f6b764a1217f8fd291f5e4828081b730',
+    1071000: '3c0aa207ba9eea45458ab4fa26d6a027862592adb9bcce30915816e777dc6cfc',
+    1072000: '3d556c08f2300b67b704d3cbf46e22866e3ac164472b5930e2ada23b08475a0f',
+    1073000: 'a39b5c54c24efe3066aa203358b96baea405cd59aac6b0b48930e77799b4dd7d',
+    1074000: 'e8c8273d5a50a60e8744716c9f31496fb29eca87b4d68643f4ecd7ec4e400e23',
+    1075000: 'b8043ae41a1d0d7d4310c85764fcba1424733df347ffc2e8cbda1fe6ccbb5153',
+    1076000: '58468db1f91805e767d334824d6bffe54e0f900d1fb2a89b105086a493053b3d',
+    1077000: '04a78749b58465efa3a56d1735cd082c1f0f796e26486c7136950dbaf6effaa4',
+    1078000: 'e1dd6b58c75b01a67d4a4594dc7b4b2ee9e7d7fa7b25fd6246ce0e86eff33c75',
+    1079000: 'd239af017a6bb664485b14ad15e0eb703775e43018a045a8612b3697794460da',
+    1080000: '29ae5503f8c1249fefeb63fd967a71a70588ee0db1c97497e16366163a684341',
+    1081000: '05103ab27469e0859cbcd3daf42faa2bae798f522534697c7f2b34f7a050ee0f',
+    1082000: '4553d2cb7e90b6db11d242e287fe96822e6cd60e6388b94bf9006411f202ba03',
+    1083000: '97995acd178b2a142d571d5ae1c2a3deaf93a909fd91fb9c541d57f73e32dc99',
+    1084000: '9e3f23376af14d76ab24cd54e321dec019af73ad61067d959ff90043acc5ffcc',
+    1085000: '81c056b14f13cee0d6d6c8079fdd5a1a84c3a5c76cc9448612e8ef6d3531300e',
+    1086000: '8a0004f6809bdd075915a804e43991dfe8f22e05679d2fdaf8e373f101bac5c2',
+    1087000: '27c45a4c9ad24e038f2ebe40835a1c49ac7221d7185082866ee354351ba87c7a',
+    1088000: 'fd27e21747117b00b4ada1cba161ac49edb57cca540f86ac5ba885050f08f824',
+    1089000: 'bff867335767103bc3ed15ede5b9fde88016f8ede15dc5bf3e81ea40dcfc61ae',
+    1090000: '608f75016d1db08888dd59640f63e838c19bdfa833c0cc177ad3d2b818b0db5b',
+    1091000: '90750b452bd4dedaab6b57fecbfe88f71ce3d5437fad7f9ec0fdd270445c7526',
+    1092000: '98287b39f9f1233017dc5d932e5c77f0521ca84587eb3f39f0e7b6c297c749af',
+    1093000: '68a5846ed05c9bb142197849106838765f90f15c10b2cc938eef49b95eaa9d33',
+    1094000: '5660a1aac2fc763a417fc656c8887fc8186bf613ae1ccbb1a664fb43ce1fa1d6',
+    1095000: '62bad3db418b3f4cad3596881b645b72479c71deb0d39c7a4c8bd1577dc225fd',
+    1096000: 'e0e4b2b183591f10dd5614c289412f2fb5e320b7d3278f7c028f42f591872666',
+    1097000: 'a233a233fc2aa5dab9e75106d91388343ef969458ea974f1409a2ab5fc441911',
+    1098000: '16dfa5fa6cbd1188e562697b5f00ac206960d0851ed84adf37ae975fd5ffdd6a',
+    1099000: 'b8a870b7dc6d3263730c00f59d52aa6cce35dc59aa8fba715034cc2d14927260',
+    1100000: 'a3cd7749743da22a3846dcc2edbf1df21b938e829419389e3bc09284797c5b43',
+    1101000: '75b14c2a95e2a095949729b7c0b624bd725a2de98404a8e3247b60c977d0198e',
+    1102000: '4d3af64d37064dd5f57e25d61f248a1e21c1b1cadd7bb1404e35c9fbe06f1fd4',
+    1103000: 'd73c92bfed358dfcd7659228974ab75ea2fc86f2301ee47133adad8075203872',
+    1104000: '30cd82354f37bc0b412123867c7e1835206022a7501853bf8c0d3df02f291645',
+    1105000: '1d2ef984f26693dce77460cd2694e5da46e675077e91a1cea26051733b01a7ef',
+    1106000: '51c076c304222fe3ca308ba6968c46fef448f85be13a095cecb75b90e7954698',
+    1107000: '99e2221339e16acc34c9816f2ef7b866c2dd753aa3cbe484ae831959a23ece68',
+    1108000: '0f1227c250296bfe88eb7eb41703f99f633cfe02870816111e0cadfe778ddb19',
+    1109000: 'b35447f1ad76f95bc4f5886e4028d33acb3ad7b5000dd15516d3f11ce4baa990',
+    1110000: 'ac7baff996062bfaaaddd7d496b17e3ec1c8d34b2143095645ff22fb3888ae00',
+    1111000: '430bbbdcca36b2d69b6a2dd8b07c583a060a467e5f9acbc6de62462e1f7c7036',
+    1112000: 'e5274dea029dc44baff55c05b0555f91b74d29ffd40e3a8c4e2c5b57f9d40bef',
+    1113000: 'cf43863249fa42cfe108220dd40169dac702b0dd9cf5cb699cf2fc96feda8371',
+    1114000: 'fa1c0e551784d21c451564124d2d730e616724f3e535de3c186bcdeb47e80a8f',
+    1115000: '49fe6ecee35a397b83b5a704e950ad028cfb4b7e7a524021e789f4acc0fd6ffe',
+    1116000: '74ecded36751aa8b7901b31f0d16d75d111fc3c40b567f649c04f74ed028aa5c',
+    1117000: 'd9ca760a22190bdf545766b47d963c738a4edcc27f4d15ca801b35751577cfa7',
+    1118000: 'c28d42f871682800ac4e867608227cfb6bc4c00b618e83a8556f201a1c28813c',
+    1119000: 'c5fafc4e1785b0b9e84bb052e392154a5ba1aefe612998017e90772bcd554e08',
+    1120000: 'aa054d428bc9ccee0761da92163817163413065fe1e67ef79a056c5233ea3476',
+    1121000: '0df295bb944218503bd1bf66d2ece0c50fd22dae3391b80673a7ad1e4e5c3934',
+    1122000: 'a13abb350a26673b3933b1de307a60a6845ca594d502599548c6253e21a6d8e8',
+    1123000: 'a4bc6a3abf9ed1f4b14338ff0f03f83456312bc91a93fa89ae6db493050115e1',
+    1124000: '65869938df99adf0dda76200291ce09a54c9bcc787e4bb62cd72c367db58f4f0',
+    1125000: 'ea5e918233b14c3c73d488a906e3741c61bdcafe0393bd0404168fe80c950a46',
+    1126000: 'ce88cd35104fcec51bcee77302e03162dc694802536f5b668786b2245e61bca5',
+    1127000: 'ea19c0c8d205be4be87d02c5301c9ed331e7d75e25b93d1c2137c248882af515',
+    1128000: '006f32d63c2a3adcf4fbad0b0629c97f1beab6446a9c27fbde9472f2d066219e',
+    1129000: '218e5392e1ecf471c3bbc3d79c24dee30ac8db315dbeb61317318efb3f221163',
+    1130000: '30b9da0bd8364e9cd5551b2529341a01a3b7257a238d15b2560e2c99fdb324e8',
+    1131000: '8a7f382cfa023d2eba6639443e67206f8883b57d23ce7e1339234b8bb3098a82',
+    1132000: 'bf9af68a6fe2112d8fe311dfd52334ae2e7b0bac6675c9ebfddb1f386c212668',
+    1133000: '1a30951e2be633502a47c255a93ddbb9ed231d6bb4c55a807c0e910b437766b3',
+    1134000: 'a9bcaf3300b7915e701a8e396eb13f0c7287576323420be7aab3c3ba48020f76',
+    1135000: '337eed9ed072b5ad862af2d3d651f1b49fa852abc590b7e1c2dc381b496f438a',
+    1136000: '208761dbc29ec58302d722a05e937a3cf9e78bfb6495be395dd7b54f02e169dc',
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+    1175000: '0727f6b1d9f8fe5677a9ffa0d475f53f5a419ef90b80896c22c2c95de22175de',
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+    1180000: 'e547cb3c636243ca9ae4cfb92c30a0f583eda84e329a5c1e5f64a26fc6fc791e',
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+    1182000: '051cfe993e4b0b34233403a9e8c397dd50e8b78a30fb07e9c260604ee9e624a9',
+    1183000: '44a69c99bb8b85e84ae279f2d8e5400d51cb3d5f0bcd178db49d55548cd66191',
+    1184000: '2a1d23c9bb3c71a533e0c9d25b03bfa7e9db8e014645f3e7fbede6d99fff0191',
+    1185000: 'bb90d6c6d77819163a9e909ee621d874707cdb21c91b1d9e861b204cf37d0ffa',
+    1186000: '4a92051b738ea0e28c64c64f1eb6f0405bc7c3427bef91ff20f4c43cf084d750',
+    1187000: 'f782ac330ca20fb5d8a094ee0f0f8c086a76e3f03ecc6a2c42f8fd07e52e0f41',
+    1188000: '94cb7b653dd3d838c186420158cf0e73db73ec28deaf67d9a2ca902caba4141a',
+    1189000: 'c8128e59b9ec948de890184578a113478ea63f7d57cb75c2c8d5c001a5a724c0',
+    1190000: '4da643bd35e5b98932ae21515a6bffb9c72f2cd8d514cd2d7eac1922af785c3f',
+    1191000: '0f922d86658ac3f53c5f9db360c68ab3f3253a925f23e1323820e3384214719a',
+    1192000: '4c3ab631cf5ba0c236f7c64af6f790fc24448319de6f75dbd28df4e2648d0b7d',
+    1193000: 'eda118d1fac3470a1f8f01f5c78108c8ecdcd6420be30f6d20f1d1831e7b6975',
+    1194000: '5723fff88abd9bb5088476fa5f4221a61c6f8a718703a92f13248ad350abeea2',
+    1195000: '1715846f82d011919e3446c6ce675a65fb80338bd791d4e735702c4767d9adc4',
+    1196000: 'b497667996aee2db61e88f442e728be15ab0b2b64cfd43198691fcf6cdafacc8',
+    1197000: '309a6170d837b8cb334fb888a64ed4e47e6592747e93c8e9d1bf7d608cfef87d',
+    1198000: '3ea918ef64a67dec20051519e6aefaeb7aca2d8583baca9ad5c5bd07073e513a',
+    1199000: '4ec7b7361b0243e5b2996a16e3b27acd662126b95fe542a487c7030e47ea3667',
+    1200000: 'b829c742686fcd642d0f9443336d7e2c4eab81667c90ce553df1350ed10b4233',
+    1201000: '44c022887f1e126fd281b1cae26b2017fa6415a64b105762c87643204ce165a5',
+    1202000: 'b11cc739eb28a14f4e47be125aa7e62d6d6f90c8f8014ee70044ed506d53d938',
+    1203000: '997a7c5fd7a98b39c9ca0790519924d73c3567656b605c97a6fdb7b406c3c64d',
+    1204000: '7d25d872e17195ee277243f7a5a39aa64d8750cec62e4777146acf61a8e76b04',
+    1205000: 'ce8486ae745a4645bee081ef3291d9505174bed05b0668d963b2998b7643dbb0',
+    1206000: '46a0bcea3c411c600dffe3e06e3d1dfbf5879a7ec4dcf3848e794cefcbf2bc0b',
+    1207000: '37e6297bf6e4e2bdd40401d4d7f95e3e3bdafd4a7f76b9c52865cefc6b82b20b',
+    1208000: 'd09e3982a9827b8cf56a5a2f4031dc6b082926c1fd57b63beaaa6cfd534eb902',
+    1209000: '54ae9010a9f146c83464e7ee60b30d9dbee36418561abc4e8d61bce9baa2d21d',
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+    1212000: 'e62cc3fe044a7f5de4c04a8aed5619548f9d5c6fad9f989d3382cb96de1d780d',
+    1213000: '66b46ffdca8acf1dd04528dadb28b6ac4ce38807c1b84abd685d4ddb3dc59a34',
+    1214000: '2ce4091756ad23746bab4906f46545953cadaf61deae0d78e8a10d4eb51866b1',
+    1215000: '83ce3ca087799cdc4b4c5e7cfeb4a127708724a7ca76aa5f7f4ec1ed48b5fca6',
+    1216000: '7d07b739b7991fbd74926281bf51bba9d5721afab39598720f9ff5f7410a6721',
+    1217000: '76adf49491670d0e8379058eacf0228f330f3c18955dfea1ebe43bc11ee065f3',
+    1218000: '77f422e7301a81692dec69e5c6d35fa988a00a4d820ad0ebb1d595add36558cc',
+    1219000: '8ba9d944f8c468c81799294aeea8dc05ed1bb90bb26552fcd190bd88fedcddf2',
+    1220000: '00330367c255e0fe51b374597995c53353bc5700ad7d603cbd4197141933fe9c',
+    1221000: '3ba8b316b7964f31fdf628ed869a6fd023680cca6611257a31efe22e4d17e578',
+    1222000: '016e58d3fb6a29a3f9281789359460e776e9feb2f0db500482b6e231e1272aef',
+    1223000: 'fdfe767c29a3de7acd913b627d1e5fa887a1af9974f6a8a6474db822468c785c',
+    1224000: '92239f6207bff3689c554e92b24fe2e7be4a2203104ad8ef08b2c6bedd9aeccf',
+    1225000: '9a2f2dd9527b533d3d743efc55236e73e15192171bc8d0cd910918d1ab00aef7',
+    1226000: 'eb8269c75b8c5f66e6ea88ad70883dddcf8a75a45198ca7a46eb0ec606a791bb',
+    1227000: '5c82e624390cd57942dc9d64344eaa3d8991e0437e01802473053245b706290c',
+    1228000: '51e9a7d727f07fc01be7c03e3dd854eb666697f05bf89259baac628520d4402c',
+    1229000: 'c4bfdb651c9abdeda717fb9c8a4c8a6c9c0f78c13d3e6cae3f24f504d734c643',
+    1230000: '9f1ce781d16f2334567cbfb22fff42c14d2b9290cc2883746f435a1fb127021d',
+    1231000: '5c996634b377412ae0a3d8f541f3cc4a354aab72c198aa23a5cfc2678cbabf09',
+    1232000: '86702316a2d1730fbae01a08f36fffe5bf6d3ebb7d76b35a1617713766698b46',
+    1233000: 'fb16b63916c0287cb9b01d0c5aad626ced1b73c49a374c9009703aa90fd27a82',
+    1234000: '7c6f7904602ccd86bfb05cb8d6b5547c989c57cb2e214e93f1220fa4fe29bcb0',
+    1235000: '898b0f20811f52aa5a6bd0c35eff86fca3fbe3b066e423644fa77b2e269d9513',
+    1236000: '39128910ef624b6a8bbd390a311b5587c0991cda834eed996d814fe410cac352',
+    1237000: 'a0709afeedb64af4168ce8cf3dbda667a248df8e91da96acb2333686a2b89325',
+    1238000: 'e00075e7ba8c18cc277bfc5115ae6ff6b9678e6e99efd6e45f549ef8a3981a3d',
+    1239000: '3fba891600738f2d37e279209d52bbe6dc7ce005eeed62048247c96f370e7cd5',
+    1240000: 'def9bf1bec9325db90bb070f532972cfdd74e814c2b5e74a4d5a7c09a963a5f1',
+    1241000: '6a5d187e32bc189ac786959e1fe846031b97ae1ce202c22e1bdb1d2a963005fd',
+    1242000: 'a74d7c0b104eaf76c53a3a31ce51b75bbd8e05b5e84c31f593f505a13d83634c',
 }

lbry/wallet/coinselection.py

@@ -141,7 +141,7 @@ class CoinSelector:
                     _) -> List[OutputEffectiveAmountEstimator]:
         """ Accumulate UTXOs at random until there is enough to cover the target. """
         target = self.target + self.cost_of_change
-        self.random.shuffle(txos, self.random.random)
+        self.random.shuffle(txos, random=self.random.random)  # pylint: disable=deprecated-argument
         selection = []
         amount = 0
         for coin in txos:

lbry/wallet/database.py

@@ -1211,6 +1211,7 @@ class Database(SQLiteMixin):
         return addresses
 
     async def get_address_count(self, cols=None, read_only=False, **constraints):
+        self._clean_txo_constraints_for_aggregation(constraints)
         count = await self.select_addresses('COUNT(*) as total', read_only=read_only, **constraints)
         return count[0]['total'] or 0
 

lbry/wallet/ledger.py

@@ -16,18 +16,18 @@ from lbry.crypto.hash import hash160, double_sha256, sha256
 from lbry.crypto.base58 import Base58
 from lbry.utils import LRUCacheWithMetrics
 
-from .tasks import TaskGroup
+from lbry.wallet.tasks import TaskGroup
-from .database import Database
+from lbry.wallet.database import Database
-from .stream import StreamController
+from lbry.wallet.stream import StreamController
-from .dewies import dewies_to_lbc
+from lbry.wallet.dewies import dewies_to_lbc
-from .account import Account, AddressManager, SingleKey
+from lbry.wallet.account import Account, AddressManager, SingleKey
-from .network import Network
+from lbry.wallet.network import Network
-from .transaction import Transaction, Output
+from lbry.wallet.transaction import Transaction, Output
-from .header import Headers, UnvalidatedHeaders
+from lbry.wallet.header import Headers, UnvalidatedHeaders
-from .checkpoints import HASHES
+from lbry.wallet.checkpoints import HASHES
-from .constants import TXO_TYPES, CLAIM_TYPES, COIN, NULL_HASH32
+from lbry.wallet.constants import TXO_TYPES, CLAIM_TYPES, COIN, NULL_HASH32
-from .bip32 import PublicKey, PrivateKey
+from lbry.wallet.bip32 import PublicKey, PrivateKey
-from .coinselection import CoinSelector
+from lbry.wallet.coinselection import CoinSelector
 
 log = logging.getLogger(__name__)
 
@@ -106,7 +106,7 @@ class Ledger(metaclass=LedgerRegistry):
     target_timespan = 150
 
     default_fee_per_byte = 50
-    default_fee_per_name_char = 200000
+    default_fee_per_name_char = 0
 
     checkpoints = HASHES
 
@@ -329,10 +329,10 @@ class Ledger(metaclass=LedgerRegistry):
     async def start(self):
         if not os.path.exists(self.path):
             os.mkdir(self.path)
-        await asyncio.wait([
+        await asyncio.wait(map(asyncio.create_task, [
             self.db.open(),
             self.headers.open()
-        ])
+        ]))
         fully_synced = self.on_ready.first
         asyncio.create_task(self.network.start())
         await self.network.on_connected.first
@@ -365,6 +365,10 @@ class Ledger(metaclass=LedgerRegistry):
         await self.db.close()
         await self.headers.close()
 
+    async def tasks_are_done(self):
+        await self._update_tasks.done.wait()
+        await self._other_tasks.done.wait()
+
     @property
     def local_height_including_downloaded_height(self):
         return max(self.headers.height, self._download_height)
@@ -462,9 +466,9 @@ class Ledger(metaclass=LedgerRegistry):
     async def subscribe_accounts(self):
         if self.network.is_connected and self.accounts:
             log.info("Subscribe to %i accounts", len(self.accounts))
-            await asyncio.wait([
+            await asyncio.wait(map(asyncio.create_task, [
                 self.subscribe_account(a) for a in self.accounts
-            ])
+            ]))
 
     async def subscribe_account(self, account: Account):
         for address_manager in account.address_managers.values():
@@ -718,6 +722,15 @@ class Ledger(metaclass=LedgerRegistry):
                 return account.address_managers[details['chain']]
         return None
 
+    async def broadcast_or_release(self, tx, blocking=False):
+        try:
+            await self.broadcast(tx)
+        except:
+            await self.release_tx(tx)
+            raise
+        if blocking:
+            await self.wait(tx, timeout=None)
+
     def broadcast(self, tx):
         # broadcast can't be a retriable call yet
         return self.network.broadcast(hexlify(tx.raw).decode())
@@ -739,7 +752,7 @@ class Ledger(metaclass=LedgerRegistry):
         while timeout and (int(time.perf_counter()) - start) <= timeout:
             if await self._wait_round(tx, height, addresses):
                 return
-        raise asyncio.TimeoutError('Timed out waiting for transaction.')
+        raise asyncio.TimeoutError(f'Timed out waiting for transaction. {tx.id}')
 
     async def _wait_round(self, tx: Transaction, height: int, addresses: Iterable[str]):
         records = await self.db.get_addresses(address__in=addresses)
@@ -776,13 +789,9 @@ class Ledger(metaclass=LedgerRegistry):
             include_is_my_output=False,
             include_sent_supports=False,
             include_sent_tips=False,
-            include_received_tips=False,
+            include_received_tips=False) -> Tuple[List[Output], dict, int, int]:
-            hub_server=False) -> Tuple[List[Output], dict, int, int]:
         encoded_outputs = await query
-        if hub_server:
+        outputs = Outputs.from_base64(encoded_outputs or '')  # TODO: why is the server returning None?
-            outputs = Outputs.from_grpc(encoded_outputs)
-        else:
-            outputs = Outputs.from_base64(encoded_outputs or b'')  # TODO: why is the server returning None?
         txs: List[Transaction] = []
         if len(outputs.txs) > 0:
             async for tx in self.request_transactions(tuple(outputs.txs), cached=True):
@@ -858,12 +867,9 @@ class Ledger(metaclass=LedgerRegistry):
                         txo.received_tips = tips
         return txos, blocked, outputs.offset, outputs.total
 
-    async def resolve(self, accounts, urls, new_sdk_server=None, **kwargs):
+    async def resolve(self, accounts, urls, **kwargs):
         txos = []
         urls_copy = list(urls)
-        if new_sdk_server:
-            resolve = partial(self.network.new_resolve, new_sdk_server)
-        else:
         resolve = partial(self.network.retriable_call, self.network.resolve)
         while urls_copy:
             batch, urls_copy = urls_copy[:100], urls_copy[100:]
@@ -889,17 +895,14 @@ class Ledger(metaclass=LedgerRegistry):
         return await self.network.sum_supports(new_sdk_server, **kwargs)
 
     async def claim_search(
-            self, accounts, include_purchase_receipt=False, include_is_my_output=False,
+            self, accounts,
-            new_sdk_server=None, **kwargs) -> Tuple[List[Output], dict, int, int]:
+            include_purchase_receipt=False,
-        if new_sdk_server:
+            include_is_my_output=False,
-            claim_search = partial(self.network.new_claim_search, new_sdk_server)
+            **kwargs) -> Tuple[List[Output], dict, int, int]:
-        else:
-            claim_search = self.network.claim_search
         return await self._inflate_outputs(
-            claim_search(**kwargs), accounts,
+            self.network.claim_search(**kwargs), accounts,
             include_purchase_receipt=include_purchase_receipt,
-            include_is_my_output=include_is_my_output,
+            include_is_my_output=include_is_my_output
-            hub_server=new_sdk_server is not None
         )
 
     # async def get_claim_by_claim_id(self, accounts, claim_id, **kwargs) -> Output:
@@ -935,9 +938,7 @@ class Ledger(metaclass=LedgerRegistry):
                              "%d change addresses (gap: %d), %d channels, %d certificates and %d claims. ",
                              account.id, balance, total_receiving, account.receiving.gap, total_change,
                              account.change.gap, channel_count, len(account.channel_keys), claim_count)
-        except Exception as err:
+        except Exception:
-            if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                raise
             log.exception(
                 'Failed to display wallet state, please file issue '
                 'for this bug along with the traceback you see below:')
@@ -960,9 +961,7 @@ class Ledger(metaclass=LedgerRegistry):
             claim_ids = [p.purchased_claim_id for p in purchases]
             try:
                 resolved, _, _, _ = await self.claim_search([], claim_ids=claim_ids)
-            except Exception as err:
+            except Exception:
-                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                    raise
                 log.exception("Resolve failed while looking up purchased claim ids:")
                 resolved = []
             lookup = {claim.claim_id: claim for claim in resolved}
@@ -1042,9 +1041,7 @@ class Ledger(metaclass=LedgerRegistry):
         claim_ids = collection.claim.collection.claims.ids[offset:page_size + offset]
         try:
             resolve_results, _, _, _ = await self.claim_search([], claim_ids=claim_ids)
-        except Exception as err:
+        except Exception:
-            if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                raise
             log.exception("Resolve failed while looking up collection claim ids:")
             return []
         claims = []

lbry/wallet/manager.py

@@ -3,7 +3,6 @@ import json
 import typing
 import logging
 import asyncio
-from distutils.util import strtobool
 
 from binascii import unhexlify
 from decimal import Decimal
@@ -12,13 +11,13 @@ from typing import List, Type, MutableSequence, MutableMapping, Optional
 from lbry.error import KeyFeeAboveMaxAllowedError, WalletNotLoadedError
 from lbry.conf import Config, NOT_SET
 
-from .dewies import dewies_to_lbc
+from lbry.wallet.dewies import dewies_to_lbc
-from .account import Account
+from lbry.wallet.account import Account
-from .ledger import Ledger, LedgerRegistry
+from lbry.wallet.ledger import Ledger, LedgerRegistry
-from .transaction import Transaction, Output
+from lbry.wallet.transaction import Transaction, Output
-from .database import Database
+from lbry.wallet.database import Database
-from .wallet import Wallet, WalletStorage, ENCRYPT_ON_DISK
+from lbry.wallet.wallet import Wallet, WalletStorage, ENCRYPT_ON_DISK
-from .rpc.jsonrpc import CodeMessageError
+from lbry.wallet.rpc.jsonrpc import CodeMessageError
 
 if typing.TYPE_CHECKING:
     from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager
@@ -183,7 +182,6 @@ class WalletManager:
         }[config.blockchain_name]
 
         ledger_config = {
-            'use_go_hub': not strtobool(os.environ.get('ENABLE_LEGACY_SEARCH') or 'yes'),
             'auto_connect': True,
             'explicit_servers': [],
             'hub_timeout': config.hub_timeout,
@@ -238,7 +236,6 @@ class WalletManager:
 
     async def reset(self):
         self.ledger.config = {
-            'use_go_hub': not strtobool(os.environ.get('ENABLE_LEGACY_SEARCH') or 'yes'),
             'auto_connect': True,
             'explicit_servers': [],
             'default_servers': Config.lbryum_servers.default,
@@ -320,10 +317,4 @@ class WalletManager:
         )
 
     async def broadcast_or_release(self, tx, blocking=False):
-        try:
+        await self.ledger.broadcast_or_release(tx, blocking=blocking)
-            await self.ledger.broadcast(tx)
-        except:
-            await self.ledger.release_tx(tx)
-            raise
-        if blocking:
-            await self.ledger.wait(tx, timeout=None)

lbry/wallet/network.py

@@ -7,16 +7,13 @@ from time import perf_counter
 from collections import defaultdict
 from typing import Dict, Optional, Tuple
 import aiohttp
-import grpc
-from lbry.schema.types.v2 import hub_pb2_grpc
-from lbry.schema.types.v2.hub_pb2 import SearchRequest
 
 from lbry import __version__
 from lbry.utils import resolve_host
 from lbry.error import IncompatibleWalletServerError
 from lbry.wallet.rpc import RPCSession as BaseClientSession, Connector, RPCError, ProtocolError
 from lbry.wallet.stream import StreamController
-from lbry.wallet.server.udp import SPVStatusClientProtocol, SPVPong
+from lbry.wallet.udp import SPVStatusClientProtocol, SPVPong
 from lbry.conf import KnownHubsList
 
 log = logging.getLogger(__name__)
@@ -120,9 +117,9 @@ class ClientSession(BaseClientSession):
                     )
                 else:
                     await asyncio.sleep(max(0, max_idle - (now - self.last_send)))
-        except Exception as err:
+        except (Exception, asyncio.CancelledError) as err:
             if isinstance(err, asyncio.CancelledError):
-                log.warning("closing connection to %s:%i", *self.server)
+                log.info("closing connection to %s:%i", *self.server)
             else:
                 log.exception("lost connection to spv")
         finally:
@@ -140,7 +137,7 @@ class ClientSession(BaseClientSession):
         controller.add(request.args)
 
     def connection_lost(self, exc):
-        log.warning("Connection lost: %s:%d", *self.server)
+        log.debug("Connection lost: %s:%d", *self.server)
         super().connection_lost(exc)
         self.response_time = None
         self.connection_latency = None
@@ -217,7 +214,7 @@ class Network:
         def loop_task_done_callback(f):
             try:
                 f.result()
-            except Exception:
+            except (Exception, asyncio.CancelledError):
                 if self.running:
                     log.exception("wallet server connection loop crashed")
 
@@ -303,7 +300,7 @@ class Network:
                                    concurrency=self.config.get('concurrent_hub_requests', 30))
             try:
                 await client.create_connection()
-                log.warning("Connected to spv server %s:%i", host, port)
+                log.info("Connected to spv server %s:%i", host, port)
                 await client.ensure_server_version()
                 return client
             except (asyncio.TimeoutError, ConnectionError, OSError, IncompatibleWalletServerError, RPCError):
@@ -315,7 +312,8 @@ class Network:
         sleep_delay = 30
         while self.running:
             await asyncio.wait(
-                [asyncio.sleep(30), self._urgent_need_reconnect.wait()], return_when=asyncio.FIRST_COMPLETED
+                map(asyncio.create_task, [asyncio.sleep(30), self._urgent_need_reconnect.wait()]),
+                return_when=asyncio.FIRST_COMPLETED
             )
             if self._urgent_need_reconnect.is_set():
                 sleep_delay = 30
@@ -341,14 +339,13 @@ class Network:
                 try:
                     if not self._urgent_need_reconnect.is_set():
                         await asyncio.wait(
-                            [self._keepalive_task, self._urgent_need_reconnect.wait()],
+                            [self._keepalive_task, asyncio.create_task(self._urgent_need_reconnect.wait())],
                             return_when=asyncio.FIRST_COMPLETED
                         )
                     else:
                         await self._keepalive_task
                     if self._urgent_need_reconnect.is_set():
                         log.warning("urgent reconnect needed")
-                        self._urgent_need_reconnect.clear()
                     if self._keepalive_task and not self._keepalive_task.done():
                         self._keepalive_task.cancel()
                 except asyncio.CancelledError:
@@ -357,7 +354,7 @@ class Network:
                     self._keepalive_task = None
                     self.client = None
                     self.server_features = None
-                    log.warning("connection lost to %s", server_str)
+                    log.info("connection lost to %s", server_str)
         log.info("network loop finished")
 
     async def stop(self):
@@ -394,7 +391,6 @@ class Network:
                 log.warning("Wallet server call timed out, retrying.")
             except ConnectionError:
                 log.warning("connection error")
-
         raise asyncio.CancelledError()  # if we got here, we are shutting down
 
     def _update_remote_height(self, header_args):
@@ -477,21 +473,6 @@ class Network:
     def claim_search(self, session_override=None, **kwargs):
         return self.rpc('blockchain.claimtrie.search', kwargs, False, session_override)
 
-    async def new_resolve(self, server, urls):
-        message = {"method": "resolve", "params": {"urls": urls, "protobuf": True}}
-        async with self.aiohttp_session.post(server, json=message) as r:
-            result = await r.json()
-            return result['result']
-
-    async def new_claim_search(self, server, **kwargs):
-        async with grpc.aio.insecure_channel(server) as channel:
-            stub = hub_pb2_grpc.HubStub(channel)
-            try:
-                response = await stub.Search(SearchRequest(**kwargs))
-            except grpc.aio.AioRpcError as error:
-                raise RPCError(error.code(), error.details())
-            return response
-
     async def sum_supports(self, server, **kwargs):
         message = {"method": "support_sum", "params": kwargs}
         async with self.aiohttp_session.post(server, json=message) as r:

lbry/wallet/orchstr8/__init__.py

@@ -1,5 +1,2 @@
-__hub_url__ = (
+from lbry.wallet.orchstr8.node import Conductor
-    "https://github.com/lbryio/hub/releases/download/v0.2022.01.21.1/hub"
+from lbry.wallet.orchstr8.service import ConductorService
-)
-from .node import Conductor
-from .service import ConductorService

lbry/wallet/orchstr8/cli.py

@@ -5,7 +5,9 @@ import aiohttp
 
 from lbry import wallet
 from lbry.wallet.orchstr8.node import (
-    Conductor, get_blockchain_node_from_ledger
+    Conductor,
+    get_lbcd_node_from_ledger,
+    get_lbcwallet_node_from_ledger
 )
 from lbry.wallet.orchstr8.service import ConductorService
 
@@ -16,10 +18,11 @@ def get_argument_parser():
     )
     subparsers = parser.add_subparsers(dest='command', help='sub-command help')
 
-    subparsers.add_parser("download", help="Download blockchain node binary.")
+    subparsers.add_parser("download", help="Download lbcd and lbcwallet node binaries.")
 
     start = subparsers.add_parser("start", help="Start orchstr8 service.")
-    start.add_argument("--blockchain", help="Hostname to start blockchain node.")
+    start.add_argument("--lbcd", help="Hostname to start lbcd node.")
+    start.add_argument("--lbcwallet", help="Hostname to start lbcwallet node.")
     start.add_argument("--spv", help="Hostname to start SPV server.")
     start.add_argument("--wallet", help="Hostname to start wallet daemon.")
 
@@ -47,7 +50,8 @@ def main():
 
     if command == 'download':
         logging.getLogger('blockchain').setLevel(logging.INFO)
-        get_blockchain_node_from_ledger(wallet).ensure()
+        get_lbcd_node_from_ledger(wallet).ensure()
+        get_lbcwallet_node_from_ledger(wallet).ensure()
 
     elif command == 'generate':
         loop.run_until_complete(run_remote_command(
@@ -57,9 +61,12 @@ def main():
     elif command == 'start':
 
         conductor = Conductor()
-        if getattr(args, 'blockchain', False):
+        if getattr(args, 'lbcd', False):
-            conductor.blockchain_node.hostname = args.blockchain
+            conductor.lbcd_node.hostname = args.lbcd
-            loop.run_until_complete(conductor.start_blockchain())
+            loop.run_until_complete(conductor.start_lbcd())
+        if getattr(args, 'lbcwallet', False):
+            conductor.lbcwallet_node.hostname = args.lbcwallet
+            loop.run_until_complete(conductor.start_lbcwallet())
         if getattr(args, 'spv', False):
             conductor.spv_node.hostname = args.spv
             loop.run_until_complete(conductor.start_spv())

lbry/wallet/orchstr8/node.py

@@ -1,3 +1,4 @@
+# pylint: disable=import-error
 import os
 import json
 import shutil
@@ -7,35 +8,44 @@ import tarfile
 import logging
 import tempfile
 import subprocess
-import importlib
+import platform
-from distutils.util import strtobool
 
 from binascii import hexlify
 from typing import Type, Optional
 import urllib.request
 from uuid import uuid4
 
+
 import lbry
-from lbry.wallet.server.server import Server
-from lbry.wallet.server.env import Env
 from lbry.wallet import Wallet, Ledger, RegTestLedger, WalletManager, Account, BlockHeightEvent
 from lbry.conf import KnownHubsList, Config
-from lbry.wallet.orchstr8 import __hub_url__
 
 log = logging.getLogger(__name__)
 
-
+try:
-def get_spvserver_from_ledger(ledger_module):
+    from hub.herald.env import ServerEnv
-    spvserver_path, regtest_class_name = ledger_module.__spvserver__.rsplit('.', 1)
+    from hub.scribe.env import BlockchainEnv
-    spvserver_module = importlib.import_module(spvserver_path)
+    from hub.elastic_sync.env import ElasticEnv
-    return getattr(spvserver_module, regtest_class_name)
+    from hub.herald.service import HubServerService
+    from hub.elastic_sync.service import ElasticSyncService
+    from hub.scribe.service import BlockchainProcessorService
+except ImportError:
+    pass
 
 
-def get_blockchain_node_from_ledger(ledger_module):
+def get_lbcd_node_from_ledger(ledger_module):
-    return BlockchainNode(
+    return LBCDNode(
-        ledger_module.__node_url__,
+        ledger_module.__lbcd_url__,
-        os.path.join(ledger_module.__node_bin__, ledger_module.__node_daemon__),
+        ledger_module.__lbcd__,
-        os.path.join(ledger_module.__node_bin__, ledger_module.__node_cli__)
+        ledger_module.__lbcctl__
+    )
+
+
+def get_lbcwallet_node_from_ledger(ledger_module):
+    return LBCWalletNode(
+        ledger_module.__lbcwallet_url__,
+        ledger_module.__lbcwallet__,
+        ledger_module.__lbcctl__
     )
 
 
@@ -43,53 +53,37 @@ class Conductor:
 
     def __init__(self, seed=None):
         self.manager_module = WalletManager
-        self.spv_module = get_spvserver_from_ledger(lbry.wallet)
+        self.lbcd_node = get_lbcd_node_from_ledger(lbry.wallet)
-
+        self.lbcwallet_node = get_lbcwallet_node_from_ledger(lbry.wallet)
-        self.blockchain_node = get_blockchain_node_from_ledger(lbry.wallet)
+        self.spv_node = SPVNode()
-        self.spv_node = SPVNode(self.spv_module)
         self.wallet_node = WalletNode(
             self.manager_module, RegTestLedger, default_seed=seed
         )
-        self.hub_node = HubNode(__hub_url__, "hub", self.spv_node)
+        self.lbcd_started = False
-
+        self.lbcwallet_started = False
-        self.blockchain_started = False
         self.spv_started = False
         self.wallet_started = False
-        self.hub_started = False
 
         self.log = log.getChild('conductor')
 
-    async def start_blockchain(self):
+    async def start_lbcd(self):
-        if not self.blockchain_started:
+        if not self.lbcd_started:
-            asyncio.create_task(self.blockchain_node.start())
+            await self.lbcd_node.start()
-            await self.blockchain_node.running.wait()
+            self.lbcd_started = True
-            await self.blockchain_node.generate(200)
-            self.blockchain_started = True
 
-    async def stop_blockchain(self):
+    async def stop_lbcd(self, cleanup=True):
-        if self.blockchain_started:
+        if self.lbcd_started:
-            await self.blockchain_node.stop(cleanup=True)
+            await self.lbcd_node.stop(cleanup)
-            self.blockchain_started = False
+            self.lbcd_started = False
-
-    async def start_hub(self):
-        if not self.hub_started:
-            asyncio.create_task(self.hub_node.start())
-            await self.blockchain_node.running.wait()
-            self.hub_started = True
-
-    async def stop_hub(self):
-        if self.hub_started:
-            await self.hub_node.stop(cleanup=True)
-            self.hub_started = False
 
     async def start_spv(self):
         if not self.spv_started:
-            await self.spv_node.start(self.blockchain_node)
+            await self.spv_node.start(self.lbcwallet_node)
             self.spv_started = True
 
-    async def stop_spv(self):
+    async def stop_spv(self, cleanup=True):
         if self.spv_started:
-            await self.spv_node.stop(cleanup=True)
+            await self.spv_node.stop(cleanup)
             self.spv_started = False
 
     async def start_wallet(self):
@@ -97,13 +91,30 @@ class Conductor:
             await self.wallet_node.start(self.spv_node)
             self.wallet_started = True
 
-    async def stop_wallet(self):
+    async def stop_wallet(self, cleanup=True):
         if self.wallet_started:
-            await self.wallet_node.stop(cleanup=True)
+            await self.wallet_node.stop(cleanup)
             self.wallet_started = False
 
+    async def start_lbcwallet(self, clean=True):
+        if not self.lbcwallet_started:
+            await self.lbcwallet_node.start()
+            if clean:
+                mining_addr = await self.lbcwallet_node.get_new_address()
+                self.lbcwallet_node.mining_addr = mining_addr
+                await self.lbcwallet_node.generate(200)
+            # unlock the wallet for the next 1 hour
+            await self.lbcwallet_node.wallet_passphrase("password", 3600)
+            self.lbcwallet_started = True
+
+    async def stop_lbcwallet(self, cleanup=True):
+        if self.lbcwallet_started:
+            await self.lbcwallet_node.stop(cleanup)
+            self.lbcwallet_started = False
+
     async def start(self):
-        await self.start_blockchain()
+        await self.start_lbcd()
+        await self.start_lbcwallet()
         await self.start_spv()
         await self.start_wallet()
 
@@ -111,7 +122,8 @@ class Conductor:
         all_the_stops = [
             self.stop_wallet,
             self.stop_spv,
-            self.stop_blockchain
+            self.stop_lbcwallet,
+            self.stop_lbcd
         ]
         for stop in all_the_stops:
             try:
@@ -119,6 +131,12 @@ class Conductor:
             except Exception as e:
                 log.exception('Exception raised while stopping services:', exc_info=e)
 
+    async def clear_mempool(self):
+        await self.stop_lbcwallet(cleanup=False)
+        await self.stop_lbcd(cleanup=False)
+        await self.start_lbcd()
+        await self.start_lbcwallet(clean=False)
+
 
 class WalletNode:
 
@@ -139,14 +157,14 @@ class WalletNode:
 
     async def start(self, spv_node: 'SPVNode', seed=None, connect=True, config=None):
         wallets_dir = os.path.join(self.data_path, 'wallets')
-        os.mkdir(wallets_dir)
         wallet_file_name = os.path.join(wallets_dir, 'my_wallet.json')
+        if not os.path.isdir(wallets_dir):
+            os.mkdir(wallets_dir)
             with open(wallet_file_name, 'w') as wallet_file:
                 wallet_file.write('{"version": 1, "accounts": []}\n')
         self.manager = self.manager_class.from_config({
             'ledgers': {
                 self.ledger_class.get_id(): {
-                    'use_go_hub': not strtobool(os.environ.get('ENABLE_LEGACY_SEARCH') or 'yes'),
                     'api_port': self.port,
                     'explicit_servers': [(spv_node.hostname, spv_node.port)],
                     'default_servers': Config.lbryum_servers.default,
@@ -154,6 +172,7 @@ class WalletNode:
                     'known_hubs': config.known_hubs if config else KnownHubsList(),
                     'hub_timeout': 30,
                     'concurrent_hub_requests': 32,
+                    'fee_per_name_char': 200000
                 }
             },
             'wallets': [wallet_file_name]
@@ -184,55 +203,83 @@ class WalletNode:
 
 
 class SPVNode:
-
+    def __init__(self, node_number=1):
-    def __init__(self, coin_class, node_number=1):
+        self.node_number = node_number
-        self.coin_class = coin_class
         self.controller = None
         self.data_path = None
-        self.server = None
+        self.server: Optional[HubServerService] = None
+        self.writer: Optional[BlockchainProcessorService] = None
+        self.es_writer: Optional[ElasticSyncService] = None
         self.hostname = 'localhost'
         self.port = 50001 + node_number  # avoid conflict with default daemon
         self.udp_port = self.port
+        self.elastic_notifier_port = 19080 + node_number
+        self.elastic_services = f'localhost:9200/localhost:{self.elastic_notifier_port}'
         self.session_timeout = 600
-        self.rpc_port = '0'  # disabled by default
+        self.stopped = True
-        self.stopped = False
         self.index_name = uuid4().hex
 
-    async def start(self, blockchain_node: 'BlockchainNode', extraconf=None):
+    async def start(self, lbcwallet_node: 'LBCWalletNode', extraconf=None):
+        if not self.stopped:
+            log.warning("spv node is already running")
+            return
+        self.stopped = False
+        try:
             self.data_path = tempfile.mkdtemp()
             conf = {
-            'DESCRIPTION': '',
+                'description': '',
-            'PAYMENT_ADDRESS': '',
+                'payment_address': '',
-            'DAILY_FEE': '0',
+                'daily_fee': '0',
-            'DB_DIRECTORY': self.data_path,
+                'db_dir': self.data_path,
-            'DAEMON_URL': blockchain_node.rpc_url,
+                'daemon_url': lbcwallet_node.rpc_url,
-            'REORG_LIMIT': '100',
+                'reorg_limit': 100,
-            'HOST': self.hostname,
+                'host': self.hostname,
-            'TCP_PORT': str(self.port),
+                'tcp_port': self.port,
-            'UDP_PORT': str(self.udp_port),
+                'udp_port': self.udp_port,
-            'SESSION_TIMEOUT': str(self.session_timeout),
+                'elastic_services': self.elastic_services,
-            'MAX_QUERY_WORKERS': '0',
+                'session_timeout': self.session_timeout,
-            'INDIVIDUAL_TAG_INDEXES': '',
+                'max_query_workers': 0,
-            'RPC_PORT': self.rpc_port,
+                'es_index_prefix': self.index_name,
-            'ES_INDEX_PREFIX': self.index_name,
+                'chain': 'regtest',
-            'ES_MODE': 'writer',
+                'index_address_status': False
             }
             if extraconf:
                 conf.update(extraconf)
-        # TODO: don't use os.environ
+            self.writer = BlockchainProcessorService(
-        os.environ.update(conf)
+                BlockchainEnv(db_dir=self.data_path, daemon_url=lbcwallet_node.rpc_url,
-        self.server = Server(Env(self.coin_class))
+                              reorg_limit=100, max_query_workers=0, chain='regtest', index_address_status=False)
-        self.server.bp.mempool.refresh_secs = self.server.bp.prefetcher.polling_delay = 0.5
+            )
+            self.server = HubServerService(ServerEnv(**conf))
+            self.es_writer = ElasticSyncService(
+                ElasticEnv(
+                    db_dir=self.data_path, reorg_limit=100, max_query_workers=0, chain='regtest',
+                    elastic_notifier_port=self.elastic_notifier_port,
+                    es_index_prefix=self.index_name,
+                    filtering_channel_ids=(extraconf or {}).get('filtering_channel_ids'),
+                    blocking_channel_ids=(extraconf or {}).get('blocking_channel_ids')
+                )
+            )
+            await self.writer.start()
+            await self.es_writer.start()
             await self.server.start()
+        except Exception as e:
+            self.stopped = True
+            log.exception("failed to start spv node")
+            raise e
 
     async def stop(self, cleanup=True):
         if self.stopped:
+            log.warning("spv node is already stopped")
             return
         try:
-            await self.server.db.search_index.delete_index()
-            await self.server.db.search_index.stop()
             await self.server.stop()
+            await self.es_writer.delete_index()
+            await self.es_writer.stop()
+            await self.writer.stop()
             self.stopped = True
+        except Exception as e:
+            log.exception("failed to stop spv node")
+            raise e
         finally:
             cleanup and self.cleanup()
 
@@ -240,18 +287,19 @@ class SPVNode:
         shutil.rmtree(self.data_path, ignore_errors=True)
 
 
-class BlockchainProcess(asyncio.SubprocessProtocol):
+class LBCDProcess(asyncio.SubprocessProtocol):
 
     IGNORE_OUTPUT = [
         b'keypool keep',
         b'keypool reserve',
         b'keypool return',
+        b'Block submitted',
     ]
 
     def __init__(self):
         self.ready = asyncio.Event()
         self.stopped = asyncio.Event()
-        self.log = log.getChild('blockchain')
+        self.log = log.getChild('lbcd')
 
     def pipe_data_received(self, fd, data):
         if self.log and not any(ignore in data for ignore in self.IGNORE_OUTPUT):
@@ -262,7 +310,7 @@ class BlockchainProcess(asyncio.SubprocessProtocol):
         if b'Error:' in data:
             self.ready.set()
             raise SystemError(data.decode())
-        if b'Done loading' in data:
+        if b'RPCS: RPC server listening on' in data:
             self.ready.set()
 
     def process_exited(self):
@@ -270,39 +318,57 @@ class BlockchainProcess(asyncio.SubprocessProtocol):
         self.ready.set()
 
 
-class BlockchainNode:
+class WalletProcess(asyncio.SubprocessProtocol):
 
-    P2SH_SEGWIT_ADDRESS = "p2sh-segwit"
+    IGNORE_OUTPUT = [
-    BECH32_ADDRESS = "bech32"
+    ]
 
+    def __init__(self):
+        self.ready = asyncio.Event()
+        self.stopped = asyncio.Event()
+        self.log = log.getChild('lbcwallet')
+        self.transport: Optional[asyncio.transports.SubprocessTransport] = None
+
+    def pipe_data_received(self, fd, data):
+        if self.log and not any(ignore in data for ignore in self.IGNORE_OUTPUT):
+            if b'Error:' in data:
+                self.log.error(data.decode())
+            else:
+                self.log.info(data.decode())
+        if b'Error:' in data:
+            self.ready.set()
+            raise SystemError(data.decode())
+        if b'WLLT: Finished rescan' in data:
+            self.ready.set()
+
+    def process_exited(self):
+        self.stopped.set()
+        self.ready.set()
+
+
+class LBCDNode:
     def __init__(self, url, daemon, cli):
         self.latest_release_url = url
         self.project_dir = os.path.dirname(os.path.dirname(__file__))
         self.bin_dir = os.path.join(self.project_dir, 'bin')
         self.daemon_bin = os.path.join(self.bin_dir, daemon)
         self.cli_bin = os.path.join(self.bin_dir, cli)
-        self.log = log.getChild('blockchain')
+        self.log = log.getChild('lbcd')
-        self.data_path = None
+        self.data_path = tempfile.mkdtemp()
         self.protocol = None
         self.transport = None
-        self.block_expected = 0
         self.hostname = 'localhost'
-        self.peerport = 9246 + 2  # avoid conflict with default peer port
+        self.peerport = 29246
-        self.rpcport = 9245 + 2  # avoid conflict with default rpc port
+        self.rpcport = 29245
         self.rpcuser = 'rpcuser'
         self.rpcpassword = 'rpcpassword'
-        self.stopped = False
+        self.stopped = True
-        self.restart_ready = asyncio.Event()
-        self.restart_ready.set()
         self.running = asyncio.Event()
 
     @property
     def rpc_url(self):
         return f'http://{self.rpcuser}:{self.rpcpassword}@{self.hostname}:{self.rpcport}/'
 
-    def is_expected_block(self, e: BlockHeightEvent):
-        return self.block_expected == e.height
-
     @property
     def exists(self):
         return (
@@ -311,6 +377,12 @@ class BlockchainNode:
         )
 
     def download(self):
+        uname = platform.uname()
+        target_os = str.lower(uname.system)
+        target_arch = str.replace(uname.machine, 'x86_64', 'amd64')
+        target_platform = target_os + '_' + target_arch
+        self.latest_release_url = str.replace(self.latest_release_url, 'TARGET_PLATFORM', target_platform)
+
         downloaded_file = os.path.join(
             self.bin_dir,
             self.latest_release_url[self.latest_release_url.rfind('/')+1:]
@@ -344,72 +416,206 @@ class BlockchainNode:
         return self.exists or self.download()
 
     async def start(self):
+        if not self.stopped:
+            return
+        self.stopped = False
+        try:
             assert self.ensure()
-        self.data_path = tempfile.mkdtemp()
             loop = asyncio.get_event_loop()
             asyncio.get_child_watcher().attach_loop(loop)
             command = [
                 self.daemon_bin,
-            f'-datadir={self.data_path}', '-printtoconsole', '-regtest', '-server', '-txindex',
+                '--notls',
-            f'-rpcuser={self.rpcuser}', f'-rpcpassword={self.rpcpassword}', f'-rpcport={self.rpcport}',
+                f'--datadir={self.data_path}',
-            f'-port={self.peerport}'
+                '--regtest', f'--listen=127.0.0.1:{self.peerport}', f'--rpclisten=127.0.0.1:{self.rpcport}',
+                '--txindex', f'--rpcuser={self.rpcuser}', f'--rpcpass={self.rpcpassword}'
             ]
             self.log.info(' '.join(command))
-        while not self.stopped:
-            if self.running.is_set():
-                await asyncio.sleep(1)
-                continue
-            await self.restart_ready.wait()
-            try:
             self.transport, self.protocol = await loop.subprocess_exec(
-                    BlockchainProcess, *command
+                LBCDProcess, *command
             )
             await self.protocol.ready.wait()
             assert not self.protocol.stopped.is_set()
             self.running.set()
         except asyncio.CancelledError:
             self.running.clear()
+            self.stopped = True
             raise
         except Exception as e:
             self.running.clear()
-                log.exception('failed to start lbrycrdd', exc_info=e)
+            self.stopped = True
+            log.exception('failed to start lbcd', exc_info=e)
+            raise
 
     async def stop(self, cleanup=True):
+        if self.stopped:
+            return
+        try:
+            if self.transport:
+                self.transport.terminate()
+                await self.protocol.stopped.wait()
+                self.transport.close()
+        except Exception as e:
+            log.exception('failed to stop lbcd', exc_info=e)
+            raise
+        finally:
+            self.log.info("Done shutting down " + self.daemon_bin)
             self.stopped = True
+            if cleanup:
+                self.cleanup()
+            self.running.clear()
+
+    def cleanup(self):
+        assert self.stopped
+        shutil.rmtree(self.data_path, ignore_errors=True)
+
+
+class LBCWalletNode:
+    P2SH_SEGWIT_ADDRESS = "p2sh-segwit"
+    BECH32_ADDRESS = "bech32"
+
+    def __init__(self, url, lbcwallet, cli):
+        self.latest_release_url = url
+        self.project_dir = os.path.dirname(os.path.dirname(__file__))
+        self.bin_dir = os.path.join(self.project_dir, 'bin')
+        self.lbcwallet_bin = os.path.join(self.bin_dir, lbcwallet)
+        self.cli_bin = os.path.join(self.bin_dir, cli)
+        self.log = log.getChild('lbcwallet')
+        self.protocol = None
+        self.transport = None
+        self.hostname = 'localhost'
+        self.lbcd_rpcport = 29245
+        self.lbcwallet_rpcport = 29244
+        self.rpcuser = 'rpcuser'
+        self.rpcpassword = 'rpcpassword'
+        self.data_path = tempfile.mkdtemp()
+        self.stopped = True
+        self.running = asyncio.Event()
+        self.block_expected = 0
+        self.mining_addr = ''
+
+    @property
+    def rpc_url(self):
+        # FIXME: somehow the hub/sdk doesn't learn the blocks through the Walet RPC port, why?
+        # return f'http://{self.rpcuser}:{self.rpcpassword}@{self.hostname}:{self.lbcwallet_rpcport}/'
+        return f'http://{self.rpcuser}:{self.rpcpassword}@{self.hostname}:{self.lbcd_rpcport}/'
+
+    def is_expected_block(self, e: BlockHeightEvent):
+        return self.block_expected == e.height
+
+    @property
+    def exists(self):
+        return (
+            os.path.exists(self.lbcwallet_bin)
+        )
+
+    def download(self):
+        uname = platform.uname()
+        target_os = str.lower(uname.system)
+        target_arch = str.replace(uname.machine, 'x86_64', 'amd64')
+        target_platform = target_os + '_' + target_arch
+        self.latest_release_url = str.replace(self.latest_release_url, 'TARGET_PLATFORM', target_platform)
+
+        downloaded_file = os.path.join(
+            self.bin_dir,
+            self.latest_release_url[self.latest_release_url.rfind('/')+1:]
+        )
+
+        if not os.path.exists(self.bin_dir):
+            os.mkdir(self.bin_dir)
+
+        if not os.path.exists(downloaded_file):
+            self.log.info('Downloading: %s', self.latest_release_url)
+            with urllib.request.urlopen(self.latest_release_url) as response:
+                with open(downloaded_file, 'wb') as out_file:
+                    shutil.copyfileobj(response, out_file)
+
+        self.log.info('Extracting: %s', downloaded_file)
+
+        if downloaded_file.endswith('.zip'):
+            with zipfile.ZipFile(downloaded_file) as dotzip:
+                dotzip.extractall(self.bin_dir)
+                # zipfile bug https://bugs.python.org/issue15795
+                os.chmod(self.lbcwallet_bin, 0o755)
+
+        elif downloaded_file.endswith('.tar.gz'):
+            with tarfile.open(downloaded_file) as tar:
+                tar.extractall(self.bin_dir)
+
+        return self.exists
+
+    def ensure(self):
+        return self.exists or self.download()
+
+    async def start(self):
+        assert self.ensure()
+        loop = asyncio.get_event_loop()
+        asyncio.get_child_watcher().attach_loop(loop)
+
+        command = [
+            self.lbcwallet_bin,
+            '--noservertls', '--noclienttls',
+            '--regtest',
+            f'--rpcconnect=127.0.0.1:{self.lbcd_rpcport}', f'--rpclisten=127.0.0.1:{self.lbcwallet_rpcport}',
+            '--createtemp', f'--appdata={self.data_path}',
+            f'--username={self.rpcuser}', f'--password={self.rpcpassword}'
+        ]
+        self.log.info(' '.join(command))
+        try:
+            self.transport, self.protocol = await loop.subprocess_exec(
+                WalletProcess, *command
+            )
+            self.protocol.transport = self.transport
+            await self.protocol.ready.wait()
+            assert not self.protocol.stopped.is_set()
+            self.running.set()
+            self.stopped = False
+        except asyncio.CancelledError:
+            self.running.clear()
+            raise
+        except Exception as e:
+            self.running.clear()
+            log.exception('failed to start lbcwallet', exc_info=e)
+
+    def cleanup(self):
+        assert self.stopped
+        shutil.rmtree(self.data_path, ignore_errors=True)
+
+    async def stop(self, cleanup=True):
+        if self.stopped:
+            return
         try:
             self.transport.terminate()
             await self.protocol.stopped.wait()
             self.transport.close()
+        except Exception as e:
+            log.exception('failed to stop lbcwallet', exc_info=e)
+            raise
         finally:
+            self.log.info("Done shutting down " + self.lbcwallet_bin)
+            self.stopped = True
             if cleanup:
                 self.cleanup()
-
-    async def clear_mempool(self):
-        self.restart_ready.clear()
-        self.transport.terminate()
-        await self.protocol.stopped.wait()
-        self.transport.close()
             self.running.clear()
-        os.remove(os.path.join(self.data_path, 'regtest', 'mempool.dat'))
-        self.restart_ready.set()
-        await self.running.wait()
-
-    def cleanup(self):
-        shutil.rmtree(self.data_path, ignore_errors=True)
 
     async def _cli_cmnd(self, *args):
         cmnd_args = [
-            self.cli_bin, f'-datadir={self.data_path}', '-regtest',
+            self.cli_bin,
-            f'-rpcuser={self.rpcuser}', f'-rpcpassword={self.rpcpassword}', f'-rpcport={self.rpcport}'
+            f'--rpcuser={self.rpcuser}', f'--rpcpass={self.rpcpassword}', '--notls', '--regtest', '--wallet'
         ] + list(args)
         self.log.info(' '.join(cmnd_args))
         loop = asyncio.get_event_loop()
         asyncio.get_child_watcher().attach_loop(loop)
         process = await asyncio.create_subprocess_exec(
-            *cmnd_args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT
+            *cmnd_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE
         )
-        out, _ = await process.communicate()
+        out, err = await process.communicate()
         result = out.decode().strip()
+        err = err.decode().strip()
+        if len(result) <= 0 and err.startswith('-'):
+            raise Exception(err)
+        if err and 'creating a default config file' not in err:
+            log.warning(err)
         self.log.info(result)
         if result.startswith('error code'):
             raise Exception(result)
@@ -417,7 +623,14 @@ class BlockchainNode:
 
     def generate(self, blocks):
         self.block_expected += blocks
-        return self._cli_cmnd('generate', str(blocks))
+        return self._cli_cmnd('generatetoaddress', str(blocks), self.mining_addr)
+
+    def generate_to_address(self, blocks, addr):
+        self.block_expected += blocks
+        return self._cli_cmnd('generatetoaddress', str(blocks), addr)
+
+    def wallet_passphrase(self, passphrase, timeout):
+        return self._cli_cmnd('walletpassphrase', passphrase, str(timeout))
 
     def invalidate_block(self, blockhash):
         return self._cli_cmnd('invalidateblock', blockhash)
@@ -434,7 +647,7 @@ class BlockchainNode:
     def get_raw_change_address(self):
         return self._cli_cmnd('getrawchangeaddress')
 
-    def get_new_address(self, address_type):
+    def get_new_address(self, address_type='legacy'):
         return self._cli_cmnd('getnewaddress', "", address_type)
 
     async def get_balance(self):
@@ -450,140 +663,13 @@ class BlockchainNode:
         return self._cli_cmnd('createrawtransaction', json.dumps(inputs), json.dumps(outputs))
 
     async def sign_raw_transaction_with_wallet(self, tx):
-        return json.loads(await self._cli_cmnd('signrawtransactionwithwallet', tx))['hex'].encode()
+        # the "withwallet" portion should only come into play if we are doing segwit.
+        # and "withwallet" doesn't exist on lbcd yet.
+        result = await self._cli_cmnd('signrawtransaction', tx)
+        return json.loads(result)['hex'].encode()
 
     def decode_raw_transaction(self, tx):
         return self._cli_cmnd('decoderawtransaction', hexlify(tx.raw).decode())
 
     def get_raw_transaction(self, txid):
         return self._cli_cmnd('getrawtransaction', txid, '1')
-
-
-class HubProcess(asyncio.SubprocessProtocol):
-    def __init__(self):
-        self.ready = asyncio.Event()
-        self.stopped = asyncio.Event()
-        self.log = log.getChild('hub')
-
-    def pipe_data_received(self, fd, data):
-        if self.log:
-            self.log.info(data.decode())
-        if b'error' in data.lower():
-            self.ready.set()
-            raise SystemError(data.decode())
-        if b'listening on' in data:
-            self.ready.set()
-        str_lines = str(data.decode()).split("\n")
-        for line in str_lines:
-            if 'releaseTime' in line:
-                print(line)
-
-    def process_exited(self):
-        self.stopped.set()
-        self.ready.set()
-
-
-class HubNode:
-
-    def __init__(self, url, daemon, spv_node):
-        self.spv_node = spv_node
-        self.debug = False
-
-        self.latest_release_url = url
-        self.project_dir = os.path.dirname(os.path.dirname(__file__))
-        self.bin_dir = os.path.join(self.project_dir, 'bin')
-        self.daemon_bin = os.path.join(self.bin_dir, daemon)
-        self.cli_bin = os.path.join(self.bin_dir, daemon)
-        self.log = log.getChild('hub')
-        self.transport = None
-        self.protocol = None
-        self.hostname = 'localhost'
-        self.rpcport = 50051  # avoid conflict with default rpc port
-        self.stopped = False
-        self.restart_ready = asyncio.Event()
-        self.restart_ready.set()
-        self.running = asyncio.Event()
-
-    @property
-    def exists(self):
-        return (
-            os.path.exists(self.cli_bin) and
-            os.path.exists(self.daemon_bin)
-        )
-
-    def download(self):
-        downloaded_file = os.path.join(
-            self.bin_dir,
-            self.latest_release_url[self.latest_release_url.rfind('/')+1:]
-        )
-
-        if not os.path.exists(self.bin_dir):
-            os.mkdir(self.bin_dir)
-
-        if not os.path.exists(downloaded_file):
-            self.log.info('Downloading: %s', self.latest_release_url)
-            with urllib.request.urlopen(self.latest_release_url) as response:
-                with open(downloaded_file, 'wb') as out_file:
-                    shutil.copyfileobj(response, out_file)
-
-        self.log.info('Extracting: %s', downloaded_file)
-
-        if downloaded_file.endswith('.zip'):
-            with zipfile.ZipFile(downloaded_file) as dotzip:
-                dotzip.extractall(self.bin_dir)
-                # zipfile bug https://bugs.python.org/issue15795
-                os.chmod(self.cli_bin, 0o755)
-                os.chmod(self.daemon_bin, 0o755)
-
-        elif downloaded_file.endswith('.tar.gz'):
-            with tarfile.open(downloaded_file) as tar:
-                tar.extractall(self.bin_dir)
-
-        os.chmod(self.daemon_bin, 0o755)
-
-        return self.exists
-
-    def ensure(self):
-        return self.exists or self.download()
-
-    async def start(self):
-        assert self.ensure()
-        loop = asyncio.get_event_loop()
-        asyncio.get_child_watcher().attach_loop(loop)
-        command = [
-            self.daemon_bin, 'serve', '--esindex', self.spv_node.index_name + 'claims', '--debug'
-        ]
-        self.log.info(' '.join(command))
-        while not self.stopped:
-            if self.running.is_set():
-                await asyncio.sleep(1)
-                continue
-            await self.restart_ready.wait()
-            try:
-                if not self.debug:
-                    self.transport, self.protocol = await loop.subprocess_exec(
-                        HubProcess, *command
-                    )
-                    await self.protocol.ready.wait()
-                    assert not self.protocol.stopped.is_set()
-                self.running.set()
-            except asyncio.CancelledError:
-                self.running.clear()
-                raise
-            except Exception as e:
-                self.running.clear()
-                log.exception('failed to start hub', exc_info=e)
-
-    async def stop(self, cleanup=True):
-        self.stopped = True
-        try:
-            if not self.debug:
-                self.transport.terminate()
-                await self.protocol.stopped.wait()
-                self.transport.close()
-        finally:
-            if cleanup:
-                self.cleanup()
-
-    def cleanup(self):
-        pass

lbry/wallet/orchstr8/service.py

@@ -61,8 +61,10 @@ class ConductorService:
         #set_logging(
         #    self.stack.ledger_module, logging.DEBUG, WebSocketLogHandler(self.send_message)
         #)
-        self.stack.blockchain_started or await self.stack.start_blockchain()
+        self.stack.lbcd_started or await self.stack.start_lbcd()
-        self.send_message({'type': 'service', 'name': 'blockchain', 'port': self.stack.blockchain_node.port})
+        self.send_message({'type': 'service', 'name': 'lbcd', 'port': self.stack.lbcd_node.port})
+        self.stack.lbcwallet_started or await self.stack.start_lbcwallet()
+        self.send_message({'type': 'service', 'name': 'lbcwallet', 'port': self.stack.lbcwallet_node.port})
         self.stack.spv_started or await self.stack.start_spv()
         self.send_message({'type': 'service', 'name': 'spv', 'port': self.stack.spv_node.port})
         self.stack.wallet_started or await self.stack.start_wallet()
@@ -74,7 +76,7 @@ class ConductorService:
     async def generate(self, request):
         data = await request.post()
         blocks = data.get('blocks', 1)
-        await self.stack.blockchain_node.generate(int(blocks))
+        await self.stack.lbcwallet_node.generate(int(blocks))
         return json_response({'blocks': blocks})
 
     async def transfer(self, request):
@@ -85,11 +87,14 @@ class ConductorService:
         if not address:
             raise ValueError("No address was provided.")
         amount = data.get('amount', 1)
-        txid = await self.stack.blockchain_node.send_to_address(address, amount)
         if self.stack.wallet_started:
-            await self.stack.wallet_node.ledger.on_transaction.where(
+            watcher = self.stack.wallet_node.ledger.on_transaction.where(
-                lambda e: e.tx.id == txid and e.address == address
+                lambda e: e.address == address  # and e.tx.id == txid -- might stall; see send_to_address_and_wait
             )
+            txid = await self.stack.lbcwallet_node.send_to_address(address, amount)
+            await watcher
+        else:
+            txid = await self.stack.lbcwallet_node.send_to_address(address, amount)
         return json_response({
             'address': address,
             'amount': amount,
@@ -98,7 +103,7 @@ class ConductorService:
 
     async def balance(self, _):
         return json_response({
-            'balance': await self.stack.blockchain_node.get_balance()
+            'balance': await self.stack.lbcwallet_node.get_balance()
         })
 
     async def log(self, request):
@@ -129,7 +134,7 @@ class ConductorService:
             'type': 'status',
             'height': self.stack.wallet_node.ledger.headers.height,
             'balance': satoshis_to_coins(await self.stack.wallet_node.account.get_balance()),
-            'miner': await self.stack.blockchain_node.get_balance()
+            'miner': await self.stack.lbcwallet_node.get_balance()
         })
 
     def send_message(self, msg):

lbry/wallet/rpc/session.py

@@ -395,8 +395,8 @@ class RPCSession(SessionBase):
         namespace=NAMESPACE, labelnames=("version",)
     )
 
-    def __init__(self, *, framer=None, loop=None, connection=None):
+    def __init__(self, *, framer=None, connection=None):
-        super().__init__(framer=framer, loop=loop)
+        super().__init__(framer=framer)
         self.connection = connection or self.default_connection()
         self.client_version = 'unknown'
 

lbry/wallet/script.py

@@ -17,6 +17,7 @@ OP_HASH160 = 0xa9
 OP_EQUALVERIFY = 0x88
 OP_CHECKSIG = 0xac
 OP_CHECKMULTISIG = 0xae
+OP_CHECKLOCKTIMEVERIFY = 0xb1
 OP_EQUAL = 0x87
 OP_PUSHDATA1 = 0x4c
 OP_PUSHDATA2 = 0x4d
@@ -276,7 +277,7 @@ class Template:
             elif isinstance(opcode, PUSH_INTEGER):
                 data = values[opcode.name]
                 source.write_many(push_data(
-                    data.to_bytes((data.bit_length() + 7) // 8, byteorder='little')
+                    data.to_bytes((data.bit_length() + 8) // 8, byteorder='little', signed=True)
                 ))
             elif isinstance(opcode, PUSH_SUBSCRIPT):
                 data = values[opcode.name]
@@ -357,19 +358,27 @@ class InputScript(Script):
     REDEEM_PUBKEY_HASH = Template('pubkey_hash', (
         PUSH_SINGLE('signature'), PUSH_SINGLE('pubkey')
     ))
-    REDEEM_SCRIPT = Template('script', (
+    MULTI_SIG_SCRIPT = Template('multi_sig', (
         SMALL_INTEGER('signatures_count'), PUSH_MANY('pubkeys'), SMALL_INTEGER('pubkeys_count'),
         OP_CHECKMULTISIG
     ))
-    REDEEM_SCRIPT_HASH = Template('script_hash', (
+    REDEEM_SCRIPT_HASH_MULTI_SIG = Template('script_hash+multi_sig', (
-        OP_0, PUSH_MANY('signatures'), PUSH_SUBSCRIPT('script', REDEEM_SCRIPT)
+        OP_0, PUSH_MANY('signatures'), PUSH_SUBSCRIPT('script', MULTI_SIG_SCRIPT)
+    ))
+    TIME_LOCK_SCRIPT = Template('timelock', (
+        PUSH_INTEGER('height'), OP_CHECKLOCKTIMEVERIFY, OP_DROP,
+        # rest is identical to OutputScript.PAY_PUBKEY_HASH:
+        OP_DUP, OP_HASH160, PUSH_SINGLE('pubkey_hash'), OP_EQUALVERIFY, OP_CHECKSIG
+    ))
+    REDEEM_SCRIPT_HASH_TIME_LOCK = Template('script_hash+timelock', (
+        PUSH_SINGLE('signature'), PUSH_SINGLE('pubkey'), PUSH_SUBSCRIPT('script', TIME_LOCK_SCRIPT)
     ))
 
     templates = [
         REDEEM_PUBKEY,
         REDEEM_PUBKEY_HASH,
-        REDEEM_SCRIPT_HASH,
+        REDEEM_SCRIPT_HASH_TIME_LOCK,
-        REDEEM_SCRIPT
+        REDEEM_SCRIPT_HASH_MULTI_SIG,
     ]
 
     @classmethod
@@ -380,19 +389,37 @@ class InputScript(Script):
         })
 
     @classmethod
-    def redeem_script_hash(cls, signatures, pubkeys):
+    def redeem_multi_sig_script_hash(cls, signatures, pubkeys):
-        return cls(template=cls.REDEEM_SCRIPT_HASH, values={
+        return cls(template=cls.REDEEM_SCRIPT_HASH_MULTI_SIG, values={
             'signatures': signatures,
-            'script': cls.redeem_script(signatures, pubkeys)
+            'script': cls(template=cls.MULTI_SIG_SCRIPT, values={
-        })
-
-    @classmethod
-    def redeem_script(cls, signatures, pubkeys):
-        return cls(template=cls.REDEEM_SCRIPT, values={
                 'signatures_count': len(signatures),
                 'pubkeys': pubkeys,
                 'pubkeys_count': len(pubkeys)
             })
+        })
+
+    @classmethod
+    def redeem_time_lock_script_hash(cls, signature, pubkey, height=None, pubkey_hash=None, script_source=None):
+        if height and pubkey_hash:
+            script = cls(template=cls.TIME_LOCK_SCRIPT, values={
+                'height': height,
+                'pubkey_hash': pubkey_hash
+            })
+        elif script_source:
+            script = cls(source=script_source, template=cls.TIME_LOCK_SCRIPT)
+            script.parse(script.template)
+        else:
+            raise ValueError("script_source or both height and pubkey_hash are required.")
+        return cls(template=cls.REDEEM_SCRIPT_HASH_TIME_LOCK, values={
+            'signature': signature,
+            'pubkey': pubkey,
+            'script': script
+        })
+
+    @property
+    def is_script_hash(self):
+        return self.template.name.startswith('script_hash+')
 
 
 class OutputScript(Script):
@@ -460,21 +487,6 @@ class OutputScript(Script):
         UPDATE_CLAIM_OPCODES + PAY_SCRIPT_HASH.opcodes
     ))
 
-    SELL_SCRIPT = Template('sell_script', (
-        OP_VERIFY, OP_DROP, OP_DROP, OP_DROP, PUSH_INTEGER('price'), OP_PRICECHECK
-    ))
-    SELL_CLAIM = Template('sell_claim+pay_script_hash', (
-        OP_SELL_CLAIM, PUSH_SINGLE('claim_id'), PUSH_SUBSCRIPT('sell_script', SELL_SCRIPT),
-        PUSH_SUBSCRIPT('receive_script', InputScript.REDEEM_SCRIPT), OP_2DROP, OP_2DROP
-    ) + PAY_SCRIPT_HASH.opcodes)
-
-    BUY_CLAIM = Template('buy_claim+pay_script_hash', (
-        OP_BUY_CLAIM, PUSH_SINGLE('sell_id'),
-        PUSH_SINGLE('claim_id'), PUSH_SINGLE('claim_version'),
-        PUSH_SINGLE('owner_pubkey_hash'), PUSH_SINGLE('negotiation_signature'),
-        OP_2DROP, OP_2DROP, OP_2DROP,
-    ) + PAY_SCRIPT_HASH.opcodes)
-
     templates = [
         PAY_PUBKEY_FULL,
         PAY_PUBKEY_HASH,
@@ -489,8 +501,6 @@ class OutputScript(Script):
         SUPPORT_CLAIM_DATA_SCRIPT,
         UPDATE_CLAIM_PUBKEY,
         UPDATE_CLAIM_SCRIPT,
-        SELL_CLAIM, SELL_SCRIPT,
-        BUY_CLAIM,
     ]
 
     @classmethod
@@ -550,30 +560,6 @@ class OutputScript(Script):
             'pubkey_hash': pubkey_hash
         })
 
-    @classmethod
-    def sell_script(cls, price):
-        return cls(template=cls.SELL_SCRIPT, values={
-            'price': price,
-        })
-
-    @classmethod
-    def sell_claim(cls, claim_id, price, signatures, pubkeys):
-        return cls(template=cls.SELL_CLAIM, values={
-            'claim_id': claim_id,
-            'sell_script': OutputScript.sell_script(price),
-            'receive_script': InputScript.redeem_script(signatures, pubkeys)
-        })
-
-    @classmethod
-    def buy_claim(cls, sell_id, claim_id, claim_version, owner_pubkey_hash, negotiation_signature):
-        return cls(template=cls.BUY_CLAIM, values={
-            'sell_id': sell_id,
-            'claim_id': claim_id,
-            'claim_version': claim_version,
-            'owner_pubkey_hash': owner_pubkey_hash,
-            'negotiation_signature': negotiation_signature,
-        })
-
     @property
     def is_pay_pubkey_hash(self):
         return self.template.name.endswith('pay_pubkey_hash')
@@ -602,17 +588,6 @@ class OutputScript(Script):
     def is_support_claim_data(self):
         return self.template.name.startswith('support_claim+data+')
 
-    @property
-    def is_sell_claim(self):
-        return self.template.name.startswith('sell_claim+')
-
-    @property
-    def is_buy_claim(self):
-        return self.template.name.startswith('buy_claim+')
-
     @property
     def is_claim_involved(self):
-        return any((
+        return any((self.is_claim_name, self.is_support_claim, self.is_update_claim))
-            self.is_claim_name, self.is_support_claim, self.is_update_claim,
-            self.is_sell_claim, self.is_buy_claim
-        ))

lbry/wallet/server/cli.py

@@ -1,34 +0,0 @@
-import logging
-import traceback
-import argparse
-from lbry.wallet.server.env import Env
-from lbry.wallet.server.server import Server
-
-
-def get_argument_parser():
-    parser = argparse.ArgumentParser(
-        prog="lbry-hub"
-    )
-    Env.contribute_to_arg_parser(parser)
-    return parser
-
-
-def main():
-    parser = get_argument_parser()
-    args = parser.parse_args()
-    logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)-4s %(name)s:%(lineno)d: %(message)s")
-    logging.info('lbry.server starting')
-    logging.getLogger('aiohttp').setLevel(logging.WARNING)
-    logging.getLogger('elasticsearch').setLevel(logging.WARNING)
-    try:
-        server = Server(Env.from_arg_parser(args))
-        server.run()
-    except Exception:
-        traceback.print_exc()
-        logging.critical('lbry.server terminated abnormally')
-    else:
-        logging.info('lbry.server terminated normally')
-
-
-if __name__ == "__main__":
-    main()

lbry/wallet/server/coin.py

@@ -1,386 +0,0 @@
-import re
-import struct
-from typing import List
-from hashlib import sha256
-from decimal import Decimal
-from collections import namedtuple
-
-import lbry.wallet.server.tx as lib_tx
-from lbry.wallet.script import OutputScript, OP_CLAIM_NAME, OP_UPDATE_CLAIM, OP_SUPPORT_CLAIM
-from lbry.wallet.server.tx import DeserializerSegWit
-from lbry.wallet.server.util import cachedproperty, subclasses
-from lbry.wallet.server.hash import Base58, hash160, double_sha256, hash_to_hex_str, HASHX_LEN
-from lbry.wallet.server.daemon import Daemon, LBCDaemon
-from lbry.wallet.server.script import ScriptPubKey, OpCodes
-from lbry.wallet.server.leveldb import LevelDB
-from lbry.wallet.server.session import LBRYElectrumX, LBRYSessionManager
-from lbry.wallet.server.block_processor import BlockProcessor
-
-
-Block = namedtuple("Block", "raw header transactions")
-OP_RETURN = OpCodes.OP_RETURN
-
-
-class CoinError(Exception):
-    """Exception raised for coin-related errors."""
-
-
-class Coin:
-    """Base class of coin hierarchy."""
-
-    REORG_LIMIT = 200
-    # Not sure if these are coin-specific
-    RPC_URL_REGEX = re.compile('.+@(\\[[0-9a-fA-F:]+\\]|[^:]+)(:[0-9]+)?')
-    VALUE_PER_COIN = 100000000
-    CHUNK_SIZE = 2016
-    BASIC_HEADER_SIZE = 80
-    STATIC_BLOCK_HEADERS = True
-    SESSIONCLS = LBRYElectrumX
-    DESERIALIZER = lib_tx.Deserializer
-    DAEMON = Daemon
-    BLOCK_PROCESSOR = BlockProcessor
-    SESSION_MANAGER = LBRYSessionManager
-    DB = LevelDB
-    HEADER_VALUES = [
-        'version', 'prev_block_hash', 'merkle_root', 'timestamp', 'bits', 'nonce'
-    ]
-    HEADER_UNPACK = struct.Struct('< I 32s 32s I I I').unpack_from
-    MEMPOOL_HISTOGRAM_REFRESH_SECS = 500
-    XPUB_VERBYTES = bytes('????', 'utf-8')
-    XPRV_VERBYTES = bytes('????', 'utf-8')
-    ENCODE_CHECK = Base58.encode_check
-    DECODE_CHECK = Base58.decode_check
-    # Peer discovery
-    PEER_DEFAULT_PORTS = {'t': '50001', 's': '50002'}
-    PEERS: List[str] = []
-
-    @classmethod
-    def lookup_coin_class(cls, name, net):
-        """Return a coin class given name and network.
-
-        Raise an exception if unrecognised."""
-        req_attrs = ['TX_COUNT', 'TX_COUNT_HEIGHT', 'TX_PER_BLOCK']
-        for coin in subclasses(Coin):
-            if (coin.NAME.lower() == name.lower() and
-                    coin.NET.lower() == net.lower()):
-                coin_req_attrs = req_attrs.copy()
-                missing = [attr for attr in coin_req_attrs
-                           if not hasattr(coin, attr)]
-                if missing:
-                    raise CoinError(f'coin {name} missing {missing} attributes')
-                return coin
-        raise CoinError(f'unknown coin {name} and network {net} combination')
-
-    @classmethod
-    def sanitize_url(cls, url):
-        # Remove surrounding ws and trailing /s
-        url = url.strip().rstrip('/')
-        match = cls.RPC_URL_REGEX.match(url)
-        if not match:
-            raise CoinError(f'invalid daemon URL: "{url}"')
-        if match.groups()[1] is None:
-            url += f':{cls.RPC_PORT:d}'
-        if not url.startswith('http://') and not url.startswith('https://'):
-            url = 'http://' + url
-        return url + '/'
-
-    @classmethod
-    def genesis_block(cls, block):
-        """Check the Genesis block is the right one for this coin.
-
-        Return the block less its unspendable coinbase.
-        """
-        header = cls.block_header(block, 0)
-        header_hex_hash = hash_to_hex_str(cls.header_hash(header))
-        if header_hex_hash != cls.GENESIS_HASH:
-            raise CoinError(f'genesis block has hash {header_hex_hash} expected {cls.GENESIS_HASH}')
-
-        return header + bytes(1)
-
-    @classmethod
-    def hashX_from_script(cls, script):
-        """Returns a hashX from a script, or None if the script is provably
-        unspendable so the output can be dropped.
-        """
-        if script and script[0] == OP_RETURN:
-            return None
-        return sha256(script).digest()[:HASHX_LEN]
-
-    @staticmethod
-    def lookup_xverbytes(verbytes):
-        """Return a (is_xpub, coin_class) pair given xpub/xprv verbytes."""
-        # Order means BTC testnet will override NMC testnet
-        for coin in subclasses(Coin):
-            if verbytes == coin.XPUB_VERBYTES:
-                return True, coin
-            if verbytes == coin.XPRV_VERBYTES:
-                return False, coin
-        raise CoinError('version bytes unrecognised')
-
-    @classmethod
-    def address_to_hashX(cls, address):
-        """Return a hashX given a coin address."""
-        return cls.hashX_from_script(cls.pay_to_address_script(address))
-
-    @classmethod
-    def P2PKH_address_from_hash160(cls, hash160):
-        """Return a P2PKH address given a public key."""
-        assert len(hash160) == 20
-        return cls.ENCODE_CHECK(cls.P2PKH_VERBYTE + hash160)
-
-    @classmethod
-    def P2PKH_address_from_pubkey(cls, pubkey):
-        """Return a coin address given a public key."""
-        return cls.P2PKH_address_from_hash160(hash160(pubkey))
-
-    @classmethod
-    def P2SH_address_from_hash160(cls, hash160):
-        """Return a coin address given a hash160."""
-        assert len(hash160) == 20
-        return cls.ENCODE_CHECK(cls.P2SH_VERBYTES[0] + hash160)
-
-    @classmethod
-    def hash160_to_P2PKH_script(cls, hash160):
-        return ScriptPubKey.P2PKH_script(hash160)
-
-    @classmethod
-    def hash160_to_P2PKH_hashX(cls, hash160):
-        return cls.hashX_from_script(cls.hash160_to_P2PKH_script(hash160))
-
-    @classmethod
-    def pay_to_address_script(cls, address):
-        """Return a pubkey script that pays to a pubkey hash.
-
-        Pass the address (either P2PKH or P2SH) in base58 form.
-        """
-        raw = cls.DECODE_CHECK(address)
-
-        # Require version byte(s) plus hash160.
-        verbyte = -1
-        verlen = len(raw) - 20
-        if verlen > 0:
-            verbyte, hash160 = raw[:verlen], raw[verlen:]
-
-        if verbyte == cls.P2PKH_VERBYTE:
-            return cls.hash160_to_P2PKH_script(hash160)
-        if verbyte in cls.P2SH_VERBYTES:
-            return ScriptPubKey.P2SH_script(hash160)
-
-        raise CoinError(f'invalid address: {address}')
-
-    @classmethod
-    def privkey_WIF(cls, privkey_bytes, compressed):
-        """Return the private key encoded in Wallet Import Format."""
-        payload = bytearray(cls.WIF_BYTE) + privkey_bytes
-        if compressed:
-            payload.append(0x01)
-        return cls.ENCODE_CHECK(payload)
-
-    @classmethod
-    def header_hash(cls, header):
-        """Given a header return hash"""
-        return double_sha256(header)
-
-    @classmethod
-    def header_prevhash(cls, header):
-        """Given a header return previous hash"""
-        return header[4:36]
-
-    @classmethod
-    def static_header_offset(cls, height):
-        """Given a header height return its offset in the headers file.
-
-        If header sizes change at some point, this is the only code
-        that needs updating."""
-        assert cls.STATIC_BLOCK_HEADERS
-        return height * cls.BASIC_HEADER_SIZE
-
-    @classmethod
-    def static_header_len(cls, height):
-        """Given a header height return its length."""
-        return (cls.static_header_offset(height + 1)
-                - cls.static_header_offset(height))
-
-    @classmethod
-    def block_header(cls, block, height):
-        """Returns the block header given a block and its height."""
-        return block[:cls.static_header_len(height)]
-
-    @classmethod
-    def block(cls, raw_block, height):
-        """Return a Block namedtuple given a raw block and its height."""
-        header = cls.block_header(raw_block, height)
-        txs = cls.DESERIALIZER(raw_block, start=len(header)).read_tx_block()
-        return Block(raw_block, header, txs)
-
-    @classmethod
-    def transaction(cls, raw_tx: bytes):
-        """Return a Block namedtuple given a raw block and its height."""
-        return cls.DESERIALIZER(raw_tx).read_tx()
-
-    @classmethod
-    def decimal_value(cls, value):
-        """Return the number of standard coin units as a Decimal given a
-        quantity of smallest units.
-
-        For example 1 BTC is returned for 100 million satoshis.
-        """
-        return Decimal(value) / cls.VALUE_PER_COIN
-
-    @classmethod
-    def electrum_header(cls, header, height):
-        h = dict(zip(cls.HEADER_VALUES, cls.HEADER_UNPACK(header)))
-        # Add the height that is not present in the header itself
-        h['block_height'] = height
-        # Convert bytes to str
-        h['prev_block_hash'] = hash_to_hex_str(h['prev_block_hash'])
-        h['merkle_root'] = hash_to_hex_str(h['merkle_root'])
-        return h
-
-
-class LBC(Coin):
-    DAEMON = LBCDaemon
-    SESSIONCLS = LBRYElectrumX
-    SESSION_MANAGER = LBRYSessionManager
-    DESERIALIZER = DeserializerSegWit
-    DB = LevelDB
-    NAME = "LBRY"
-    SHORTNAME = "LBC"
-    NET = "mainnet"
-    BASIC_HEADER_SIZE = 112
-    CHUNK_SIZE = 96
-    XPUB_VERBYTES = bytes.fromhex("0488b21e")
-    XPRV_VERBYTES = bytes.fromhex("0488ade4")
-    P2PKH_VERBYTE = bytes.fromhex("55")
-    P2SH_VERBYTES = bytes.fromhex("7A")
-    WIF_BYTE = bytes.fromhex("1C")
-    GENESIS_HASH = ('9c89283ba0f3227f6c03b70216b9f665'
-                    'f0118d5e0fa729cedf4fb34d6a34f463')
-    TX_COUNT = 2716936
-    TX_COUNT_HEIGHT = 329554
-    TX_PER_BLOCK = 1
-    RPC_PORT = 9245
-    REORG_LIMIT = 200
-
-    nOriginalClaimExpirationTime = 262974
-    nExtendedClaimExpirationTime = 2102400
-    nExtendedClaimExpirationForkHeight = 400155
-    nNormalizedNameForkHeight = 539940  # targeting 21 March 2019
-    nMinTakeoverWorkaroundHeight = 496850
-    nMaxTakeoverWorkaroundHeight = 658300  # targeting 30 Oct 2019
-    nWitnessForkHeight = 680770  # targeting 11 Dec 2019
-    nAllClaimsInMerkleForkHeight = 658310  # targeting 30 Oct 2019
-    proportionalDelayFactor = 32
-    maxTakeoverDelay = 4032
-
-    PEERS = [
-    ]
-
-    @classmethod
-    def genesis_block(cls, block):
-        '''Check the Genesis block is the right one for this coin.
-
-        Return the block less its unspendable coinbase.
-        '''
-        header = cls.block_header(block, 0)
-        header_hex_hash = hash_to_hex_str(cls.header_hash(header))
-        if header_hex_hash != cls.GENESIS_HASH:
-            raise CoinError(f'genesis block has hash {header_hex_hash} expected {cls.GENESIS_HASH}')
-
-        return block
-
-    @classmethod
-    def electrum_header(cls, header, height):
-        version, = struct.unpack('<I', header[:4])
-        timestamp, bits, nonce = struct.unpack('<III', header[100:112])
-        return {
-            'version': version,
-            'prev_block_hash': hash_to_hex_str(header[4:36]),
-            'merkle_root': hash_to_hex_str(header[36:68]),
-            'claim_trie_root': hash_to_hex_str(header[68:100]),
-            'timestamp': timestamp,
-            'bits': bits,
-            'nonce': nonce,
-            'block_height': height,
-            }
-
-    @cachedproperty
-    def address_handlers(self):
-        return ScriptPubKey.PayToHandlers(
-            address=self.P2PKH_address_from_hash160,
-            script_hash=self.P2SH_address_from_hash160,
-            pubkey=self.P2PKH_address_from_pubkey,
-            unspendable=lambda: None,
-            strange=self.claim_address_handler,
-        )
-
-    @classmethod
-    def address_from_script(cls, script):
-        '''Given a pk_script, return the address it pays to, or None.'''
-        return ScriptPubKey.pay_to(cls.address_handlers, script)
-
-    @classmethod
-    def claim_address_handler(cls, script):
-        '''Parse a claim script, returns the address
-        '''
-        output = OutputScript(script)
-        if output.is_pay_pubkey_hash:
-            return cls.P2PKH_address_from_hash160(output.values['pubkey_hash'])
-        if output.is_pay_script_hash:
-            return cls.P2SH_address_from_hash160(output.values['script_hash'])
-        if output.is_pay_pubkey:
-            return cls.P2PKH_address_from_pubkey(output.values['pubkey'])
-        if output.is_return_data:
-            return None
-        return None
-
-    @classmethod
-    def hashX_from_script(cls, script):
-        '''
-        Overrides electrumx hashX from script by extracting addresses from claim scripts.
-        '''
-        if script and script[0] == OpCodes.OP_RETURN or not script:
-            return None
-        if script[0] in [
-            OP_CLAIM_NAME,
-            OP_UPDATE_CLAIM,
-            OP_SUPPORT_CLAIM,
-        ]:
-            return cls.address_to_hashX(cls.claim_address_handler(script))
-        else:
-            return sha256(script).digest()[:HASHX_LEN]
-
-    @classmethod
-    def get_expiration_height(cls, last_updated_height: int, extended: bool = False) -> int:
-        if extended:
-            return last_updated_height + cls.nExtendedClaimExpirationTime
-        if last_updated_height < cls.nExtendedClaimExpirationForkHeight:
-            return last_updated_height + cls.nOriginalClaimExpirationTime
-        return last_updated_height + cls.nExtendedClaimExpirationTime
-
-    @classmethod
-    def get_delay_for_name(cls, blocks_of_continuous_ownership: int) -> int:
-        return min(blocks_of_continuous_ownership // cls.proportionalDelayFactor, cls.maxTakeoverDelay)
-
-
-class LBCRegTest(LBC):
-    NET = "regtest"
-    GENESIS_HASH = '6e3fcf1299d4ec5d79c3a4c91d624a4acf9e2e173d95a1a0504f677669687556'
-    XPUB_VERBYTES = bytes.fromhex('043587cf')
-    XPRV_VERBYTES = bytes.fromhex('04358394')
-    P2PKH_VERBYTE = bytes.fromhex("6f")
-    P2SH_VERBYTES = bytes.fromhex("c4")
-
-    nOriginalClaimExpirationTime = 500
-    nExtendedClaimExpirationTime = 600
-    nExtendedClaimExpirationForkHeight = 800
-    nNormalizedNameForkHeight = 250
-    nMinTakeoverWorkaroundHeight = -1
-    nMaxTakeoverWorkaroundHeight = -1
-    nWitnessForkHeight = 150
-    nAllClaimsInMerkleForkHeight = 350
-
-
-class LBCTestNet(LBCRegTest):
-    NET = "testnet"
-    GENESIS_HASH = '9c89283ba0f3227f6c03b70216b9f665f0118d5e0fa729cedf4fb34d6a34f463'

lbry/wallet/server/daemon.py

@@ -1,375 +0,0 @@
-import asyncio
-import itertools
-import json
-import time
-from functools import wraps
-
-import aiohttp
-from prometheus_client import Gauge, Histogram
-from lbry.utils import LRUCacheWithMetrics
-from lbry.wallet.rpc.jsonrpc import RPCError
-from lbry.wallet.server.util import hex_to_bytes, class_logger
-from lbry.wallet.rpc import JSONRPC
-
-
-class DaemonError(Exception):
-    """Raised when the daemon returns an error in its results."""
-
-
-class WarmingUpError(Exception):
-    """Internal - when the daemon is warming up."""
-
-
-class WorkQueueFullError(Exception):
-    """Internal - when the daemon's work queue is full."""
-
-
-NAMESPACE = "wallet_server"
-
-
-class Daemon:
-    """Handles connections to a daemon at the given URL."""
-
-    WARMING_UP = -28
-    id_counter = itertools.count()
-
-    lbrycrd_request_time_metric = Histogram(
-        "lbrycrd_request", "lbrycrd requests count", namespace=NAMESPACE, labelnames=("method",)
-    )
-    lbrycrd_pending_count_metric = Gauge(
-        "lbrycrd_pending_count", "Number of lbrycrd rpcs that are in flight", namespace=NAMESPACE,
-        labelnames=("method",)
-    )
-
-    def __init__(self, coin, url, max_workqueue=10, init_retry=0.25,
-                 max_retry=4.0):
-        self.coin = coin
-        self.logger = class_logger(__name__, self.__class__.__name__)
-        self.set_url(url)
-        # Limit concurrent RPC calls to this number.
-        # See DEFAULT_HTTP_WORKQUEUE in bitcoind, which is typically 16
-        self.workqueue_semaphore = asyncio.Semaphore(value=max_workqueue)
-        self.init_retry = init_retry
-        self.max_retry = max_retry
-        self._height = None
-        self.available_rpcs = {}
-        self.connector = aiohttp.TCPConnector()
-        self._block_hash_cache = LRUCacheWithMetrics(100000)
-        self._block_cache = LRUCacheWithMetrics(2 ** 13, metric_name='block', namespace=NAMESPACE)
-
-    async def close(self):
-        if self.connector:
-            await self.connector.close()
-            self.connector = None
-
-    def set_url(self, url):
-        """Set the URLS to the given list, and switch to the first one."""
-        urls = url.split(',')
-        urls = [self.coin.sanitize_url(url) for url in urls]
-        for n, url in enumerate(urls):
-            status = '' if n else ' (current)'
-            logged_url = self.logged_url(url)
-            self.logger.info(f'daemon #{n + 1} at {logged_url}{status}')
-        self.url_index = 0
-        self.urls = urls
-
-    def current_url(self):
-        """Returns the current daemon URL."""
-        return self.urls[self.url_index]
-
-    def logged_url(self, url=None):
-        """The host and port part, for logging."""
-        url = url or self.current_url()
-        return url[url.rindex('@') + 1:]
-
-    def failover(self):
-        """Call to fail-over to the next daemon URL.
-
-        Returns False if there is only one, otherwise True.
-        """
-        if len(self.urls) > 1:
-            self.url_index = (self.url_index + 1) % len(self.urls)
-            self.logger.info(f'failing over to {self.logged_url()}')
-            return True
-        return False
-
-    def client_session(self):
-        """An aiohttp client session."""
-        return aiohttp.ClientSession(connector=self.connector, connector_owner=False)
-
-    async def _send_data(self, data):
-        if not self.connector:
-            raise asyncio.CancelledError('Tried to send request during shutdown.')
-        async with self.workqueue_semaphore:
-            async with self.client_session() as session:
-                async with session.post(self.current_url(), data=data) as resp:
-                    kind = resp.headers.get('Content-Type', None)
-                    if kind == 'application/json':
-                        return await resp.json()
-                    # bitcoind's HTTP protocol "handling" is a bad joke
-                    text = await resp.text()
-                    if 'Work queue depth exceeded' in text:
-                        raise WorkQueueFullError
-                    text = text.strip() or resp.reason
-                    self.logger.error(text)
-                    raise DaemonError(text)
-
-    async def _send(self, payload, processor):
-        """Send a payload to be converted to JSON.
-
-        Handles temporary connection issues.  Daemon response errors
-        are raise through DaemonError.
-        """
-
-        def log_error(error):
-            nonlocal last_error_log, retry
-            now = time.time()
-            if now - last_error_log > 60:
-                last_error_log = now
-                self.logger.error(f'{error}  Retrying occasionally...')
-            if retry == self.max_retry and self.failover():
-                retry = 0
-
-        on_good_message = None
-        last_error_log = 0
-        data = json.dumps(payload)
-        retry = self.init_retry
-        methods = tuple(
-            [payload['method']] if isinstance(payload, dict) else [request['method'] for request in payload]
-        )
-        while True:
-            try:
-                for method in methods:
-                    self.lbrycrd_pending_count_metric.labels(method=method).inc()
-                result = await self._send_data(data)
-                result = processor(result)
-                if on_good_message:
-                    self.logger.info(on_good_message)
-                return result
-            except asyncio.TimeoutError:
-                log_error('timeout error.')
-            except aiohttp.ServerDisconnectedError:
-                log_error('disconnected.')
-                on_good_message = 'connection restored'
-            except aiohttp.ClientConnectionError:
-                log_error('connection problem - is your daemon running?')
-                on_good_message = 'connection restored'
-            except aiohttp.ClientError as e:
-                log_error(f'daemon error: {e}')
-                on_good_message = 'running normally'
-            except WarmingUpError:
-                log_error('starting up checking blocks.')
-                on_good_message = 'running normally'
-            except WorkQueueFullError:
-                log_error('work queue full.')
-                on_good_message = 'running normally'
-            finally:
-                for method in methods:
-                    self.lbrycrd_pending_count_metric.labels(method=method).dec()
-            await asyncio.sleep(retry)
-            retry = max(min(self.max_retry, retry * 2), self.init_retry)
-
-    async def _send_single(self, method, params=None):
-        """Send a single request to the daemon."""
-
-        start = time.perf_counter()
-
-        def processor(result):
-            err = result['error']
-            if not err:
-                return result['result']
-            if err.get('code') == self.WARMING_UP:
-                raise WarmingUpError
-            raise DaemonError(err)
-
-        payload = {'method': method, 'id': next(self.id_counter)}
-        if params:
-            payload['params'] = params
-        result = await self._send(payload, processor)
-        self.lbrycrd_request_time_metric.labels(method=method).observe(time.perf_counter() - start)
-        return result
-
-    async def _send_vector(self, method, params_iterable, replace_errs=False):
-        """Send several requests of the same method.
-
-        The result will be an array of the same length as params_iterable.
-        If replace_errs is true, any item with an error is returned as None,
-        otherwise an exception is raised."""
-
-        start = time.perf_counter()
-
-        def processor(result):
-            errs = [item['error'] for item in result if item['error']]
-            if any(err.get('code') == self.WARMING_UP for err in errs):
-                raise WarmingUpError
-            if not errs or replace_errs:
-                return [item['result'] for item in result]
-            raise DaemonError(errs)
-
-        payload = [{'method': method, 'params': p, 'id': next(self.id_counter)}
-                   for p in params_iterable]
-        result = []
-        if payload:
-            result = await self._send(payload, processor)
-        self.lbrycrd_request_time_metric.labels(method=method).observe(time.perf_counter() - start)
-        return result
-
-    async def _is_rpc_available(self, method):
-        """Return whether given RPC method is available in the daemon.
-
-        Results are cached and the daemon will generally not be queried with
-        the same method more than once."""
-        available = self.available_rpcs.get(method)
-        if available is None:
-            available = True
-            try:
-                await self._send_single(method)
-            except DaemonError as e:
-                err = e.args[0]
-                error_code = err.get("code")
-                available = error_code != JSONRPC.METHOD_NOT_FOUND
-            self.available_rpcs[method] = available
-        return available
-
-    async def block_hex_hashes(self, first, count):
-        """Return the hex hashes of count block starting at height first."""
-        if first + count < (self.cached_height() or 0) - 200:
-            return await self._cached_block_hex_hashes(first, count)
-        params_iterable = ((h, ) for h in range(first, first + count))
-        return await self._send_vector('getblockhash', params_iterable)
-
-    async def _cached_block_hex_hashes(self, first, count):
-        """Return the hex hashes of count block starting at height first."""
-        cached = self._block_hash_cache.get((first, count))
-        if cached:
-            return cached
-        params_iterable = ((h, ) for h in range(first, first + count))
-        self._block_hash_cache[(first, count)] = await self._send_vector('getblockhash', params_iterable)
-        return self._block_hash_cache[(first, count)]
-
-    async def deserialised_block(self, hex_hash):
-        """Return the deserialised block with the given hex hash."""
-        if hex_hash not in self._block_cache:
-            block = await self._send_single('getblock', (hex_hash, True))
-            self._block_cache[hex_hash] = block
-            return block
-        return self._block_cache[hex_hash]
-
-    async def raw_blocks(self, hex_hashes):
-        """Return the raw binary blocks with the given hex hashes."""
-        params_iterable = ((h, False) for h in hex_hashes)
-        blocks = await self._send_vector('getblock', params_iterable)
-        # Convert hex string to bytes
-        return [hex_to_bytes(block) for block in blocks]
-
-    async def mempool_hashes(self):
-        """Update our record of the daemon's mempool hashes."""
-        return await self._send_single('getrawmempool')
-
-    async def estimatefee(self, block_count):
-        """Return the fee estimate for the block count.  Units are whole
-        currency units per KB, e.g. 0.00000995, or -1 if no estimate
-        is available.
-        """
-        args = (block_count, )
-        if await self._is_rpc_available('estimatesmartfee'):
-            estimate = await self._send_single('estimatesmartfee', args)
-            return estimate.get('feerate', -1)
-        return await self._send_single('estimatefee', args)
-
-    async def getnetworkinfo(self):
-        """Return the result of the 'getnetworkinfo' RPC call."""
-        return await self._send_single('getnetworkinfo')
-
-    async def relayfee(self):
-        """The minimum fee a low-priority tx must pay in order to be accepted
-        to the daemon's memory pool."""
-        network_info = await self.getnetworkinfo()
-        return network_info['relayfee']
-
-    async def getrawtransaction(self, hex_hash, verbose=False):
-        """Return the serialized raw transaction with the given hash."""
-        # Cast to int because some coin daemons are old and require it
-        return await self._send_single('getrawtransaction',
-                                       (hex_hash, int(verbose)))
-
-    async def getrawtransactions(self, hex_hashes, replace_errs=True):
-        """Return the serialized raw transactions with the given hashes.
-
-        Replaces errors with None by default."""
-        params_iterable = ((hex_hash, 0) for hex_hash in hex_hashes)
-        txs = await self._send_vector('getrawtransaction', params_iterable,
-                                      replace_errs=replace_errs)
-        # Convert hex strings to bytes
-        return [hex_to_bytes(tx) if tx else None for tx in txs]
-
-    async def broadcast_transaction(self, raw_tx):
-        """Broadcast a transaction to the network."""
-        return await self._send_single('sendrawtransaction', (raw_tx, ))
-
-    async def height(self):
-        """Query the daemon for its current height."""
-        self._height = await self._send_single('getblockcount')
-        return self._height
-
-    def cached_height(self):
-        """Return the cached daemon height.
-
-        If the daemon has not been queried yet this returns None."""
-        return self._height
-
-
-def handles_errors(decorated_function):
-    @wraps(decorated_function)
-    async def wrapper(*args, **kwargs):
-        try:
-            return await decorated_function(*args, **kwargs)
-        except DaemonError as daemon_error:
-            raise RPCError(1, daemon_error.args[0])
-    return wrapper
-
-
-class LBCDaemon(Daemon):
-    @handles_errors
-    async def getrawtransaction(self, hex_hash, verbose=False):
-        return await super().getrawtransaction(hex_hash=hex_hash, verbose=verbose)
-
-    @handles_errors
-    async def getclaimbyid(self, claim_id):
-        '''Given a claim id, retrieves claim information.'''
-        return await self._send_single('getclaimbyid', (claim_id,))
-
-    @handles_errors
-    async def getclaimsbyids(self, claim_ids):
-        '''Given a list of claim ids, batches calls to retrieve claim information.'''
-        return await self._send_vector('getclaimbyid', ((claim_id,) for claim_id in claim_ids))
-
-    @handles_errors
-    async def getclaimsforname(self, name):
-        '''Given a name, retrieves all claims matching that name.'''
-        return await self._send_single('getclaimsforname', (name,))
-
-    @handles_errors
-    async def getclaimsfortx(self, txid):
-        '''Given a txid, returns the claims it make.'''
-        return await self._send_single('getclaimsfortx', (txid,)) or []
-
-    @handles_errors
-    async def getnameproof(self, name, block_hash=None):
-        '''Given a name and optional block_hash, returns a name proof and winner, if any.'''
-        return await self._send_single('getnameproof', (name, block_hash,) if block_hash else (name,))
-
-    @handles_errors
-    async def getvalueforname(self, name):
-        '''Given a name, returns the winning claim value.'''
-        return await self._send_single('getvalueforname', (name,))
-
-    @handles_errors
-    async def getnamesintrie(self):
-        '''Given a name, returns the winning claim value.'''
-        return await self._send_single('getnamesintrie')
-
-    @handles_errors
-    async def claimname(self, name, hexvalue, amount):
-        '''Claim a name, used for functional tests only.'''
-        return await self._send_single('claimname', (name, hexvalue, float(amount)))

lbry/wallet/server/db/__init__.py

@@ -1,42 +0,0 @@
-import enum
-
-
-@enum.unique
-class DB_PREFIXES(enum.Enum):
-    claim_to_support = b'K'
-    support_to_claim = b'L'
-
-    claim_to_txo = b'E'
-    txo_to_claim = b'G'
-
-    claim_to_channel = b'I'
-    channel_to_claim = b'J'
-
-    claim_short_id_prefix = b'F'
-    effective_amount = b'D'
-    claim_expiration = b'O'
-
-    claim_takeover = b'P'
-    pending_activation = b'Q'
-    activated_claim_and_support = b'R'
-    active_amount = b'S'
-
-    repost = b'V'
-    reposted_claim = b'W'
-
-    undo = b'M'
-    claim_diff = b'Y'
-
-    tx = b'B'
-    block_hash = b'C'
-    header = b'H'
-    tx_num = b'N'
-    tx_count = b'T'
-    tx_hash = b'X'
-    utxo = b'u'
-    hashx_utxo = b'h'
-    hashx_history = b'x'
-    db_state = b's'
-    channel_count = b'Z'
-    support_amount = b'a'
-    block_txs = b'b'

lbry/wallet/server/db/common.py

@@ -1,447 +0,0 @@
-import typing
-
-CLAIM_TYPES = {
-    'stream': 1,
-    'channel': 2,
-    'repost': 3,
-    'collection': 4,
-}
-
-STREAM_TYPES = {
-    'video': 1,
-    'audio': 2,
-    'image': 3,
-    'document': 4,
-    'binary': 5,
-    'model': 6,
-}
-
-# 9/21/2020
-MOST_USED_TAGS = {
-    "gaming",
-    "people & blogs",
-    "entertainment",
-    "music",
-    "pop culture",
-    "education",
-    "technology",
-    "blockchain",
-    "news",
-    "funny",
-    "science & technology",
-    "learning",
-    "gameplay",
-    "news & politics",
-    "comedy",
-    "bitcoin",
-    "beliefs",
-    "nature",
-    "art",
-    "economics",
-    "film & animation",
-    "lets play",
-    "games",
-    "sports",
-    "howto & style",
-    "game",
-    "cryptocurrency",
-    "playstation 4",
-    "automotive",
-    "crypto",
-    "mature",
-    "sony interactive entertainment",
-    "walkthrough",
-    "tutorial",
-    "video game",
-    "weapons",
-    "playthrough",
-    "pc",
-    "anime",
-    "how to",
-    "btc",
-    "fun",
-    "ethereum",
-    "food",
-    "travel & events",
-    "minecraft",
-    "science",
-    "autos & vehicles",
-    "play",
-    "politics",
-    "commentary",
-    "twitch",
-    "ps4live",
-    "love",
-    "ps4",
-    "nonprofits & activism",
-    "ps4share",
-    "fortnite",
-    "xbox",
-    "porn",
-    "video games",
-    "trump",
-    "español",
-    "money",
-    "music video",
-    "nintendo",
-    "movie",
-    "coronavirus",
-    "donald trump",
-    "steam",
-    "trailer",
-    "android",
-    "podcast",
-    "xbox one",
-    "survival",
-    "audio",
-    "linux",
-    "travel",
-    "funny moments",
-    "litecoin",
-    "animation",
-    "gamer",
-    "lets",
-    "playstation",
-    "bitcoin news",
-    "history",
-    "xxx",
-    "fox news",
-    "dance",
-    "god",
-    "adventure",
-    "liberal",
-    "2020",
-    "horror",
-    "government",
-    "freedom",
-    "reaction",
-    "meme",
-    "photography",
-    "truth",
-    "health",
-    "lbry",
-    "family",
-    "online",
-    "eth",
-    "crypto news",
-    "diy",
-    "trading",
-    "gold",
-    "memes",
-    "world",
-    "space",
-    "lol",
-    "covid-19",
-    "rpg",
-    "humor",
-    "democrat",
-    "film",
-    "call of duty",
-    "tech",
-    "religion",
-    "conspiracy",
-    "rap",
-    "cnn",
-    "hangoutsonair",
-    "unboxing",
-    "fiction",
-    "conservative",
-    "cars",
-    "hoa",
-    "epic",
-    "programming",
-    "progressive",
-    "cryptocurrency news",
-    "classical",
-    "jesus",
-    "movies",
-    "book",
-    "ps3",
-    "republican",
-    "fitness",
-    "books",
-    "multiplayer",
-    "animals",
-    "pokemon",
-    "bitcoin price",
-    "facebook",
-    "sharefactory",
-    "criptomonedas",
-    "cod",
-    "bible",
-    "business",
-    "stream",
-    "comics",
-    "how",
-    "fail",
-    "nsfw",
-    "new music",
-    "satire",
-    "pets & animals",
-    "computer",
-    "classical music",
-    "indie",
-    "musica",
-    "msnbc",
-    "fps",
-    "mod",
-    "sport",
-    "sony",
-    "ripple",
-    "auto",
-    "rock",
-    "marvel",
-    "complete",
-    "mining",
-    "political",
-    "mobile",
-    "pubg",
-    "hip hop",
-    "flat earth",
-    "xbox 360",
-    "reviews",
-    "vlogging",
-    "latest news",
-    "hack",
-    "tarot",
-    "iphone",
-    "media",
-    "cute",
-    "christian",
-    "free speech",
-    "trap",
-    "war",
-    "remix",
-    "ios",
-    "xrp",
-    "spirituality",
-    "song",
-    "league of legends",
-    "cat"
-}
-
-MATURE_TAGS = [
-    'nsfw', 'porn', 'xxx', 'mature', 'adult', 'sex'
-]
-
-
-def normalize_tag(tag):
-    return tag.replace(" ", "_").replace("&", "and").replace("-", "_")
-
-
-COMMON_TAGS = {
-    tag: normalize_tag(tag) for tag in list(MOST_USED_TAGS)
-}
-
-INDEXED_LANGUAGES = [
-  'none',
-  'en',
-  'aa',
-  'ab',
-  'ae',
-  'af',
-  'ak',
-  'am',
-  'an',
-  'ar',
-  'as',
-  'av',
-  'ay',
-  'az',
-  'ba',
-  'be',
-  'bg',
-  'bh',
-  'bi',
-  'bm',
-  'bn',
-  'bo',
-  'br',
-  'bs',
-  'ca',
-  'ce',
-  'ch',
-  'co',
-  'cr',
-  'cs',
-  'cu',
-  'cv',
-  'cy',
-  'da',
-  'de',
-  'dv',
-  'dz',
-  'ee',
-  'el',
-  'eo',
-  'es',
-  'et',
-  'eu',
-  'fa',
-  'ff',
-  'fi',
-  'fj',
-  'fo',
-  'fr',
-  'fy',
-  'ga',
-  'gd',
-  'gl',
-  'gn',
-  'gu',
-  'gv',
-  'ha',
-  'he',
-  'hi',
-  'ho',
-  'hr',
-  'ht',
-  'hu',
-  'hy',
-  'hz',
-  'ia',
-  'id',
-  'ie',
-  'ig',
-  'ii',
-  'ik',
-  'io',
-  'is',
-  'it',
-  'iu',
-  'ja',
-  'jv',
-  'ka',
-  'kg',
-  'ki',
-  'kj',
-  'kk',
-  'kl',
-  'km',
-  'kn',
-  'ko',
-  'kr',
-  'ks',
-  'ku',
-  'kv',
-  'kw',
-  'ky',
-  'la',
-  'lb',
-  'lg',
-  'li',
-  'ln',
-  'lo',
-  'lt',
-  'lu',
-  'lv',
-  'mg',
-  'mh',
-  'mi',
-  'mk',
-  'ml',
-  'mn',
-  'mr',
-  'ms',
-  'mt',
-  'my',
-  'na',
-  'nb',
-  'nd',
-  'ne',
-  'ng',
-  'nl',
-  'nn',
-  'no',
-  'nr',
-  'nv',
-  'ny',
-  'oc',
-  'oj',
-  'om',
-  'or',
-  'os',
-  'pa',
-  'pi',
-  'pl',
-  'ps',
-  'pt',
-  'qu',
-  'rm',
-  'rn',
-  'ro',
-  'ru',
-  'rw',
-  'sa',
-  'sc',
-  'sd',
-  'se',
-  'sg',
-  'si',
-  'sk',
-  'sl',
-  'sm',
-  'sn',
-  'so',
-  'sq',
-  'sr',
-  'ss',
-  'st',
-  'su',
-  'sv',
-  'sw',
-  'ta',
-  'te',
-  'tg',
-  'th',
-  'ti',
-  'tk',
-  'tl',
-  'tn',
-  'to',
-  'tr',
-  'ts',
-  'tt',
-  'tw',
-  'ty',
-  'ug',
-  'uk',
-  'ur',
-  'uz',
-  've',
-  'vi',
-  'vo',
-  'wa',
-  'wo',
-  'xh',
-  'yi',
-  'yo',
-  'za',
-  'zh',
-  'zu'
-]
-
-
-class ResolveResult(typing.NamedTuple):
-    name: str
-    normalized_name: str
-    claim_hash: bytes
-    tx_num: int
-    position: int
-    tx_hash: bytes
-    height: int
-    amount: int
-    short_url: str
-    is_controlling: bool
-    canonical_url: str
-    creation_height: int
-    activation_height: int
-    expiration_height: int
-    effective_amount: int
-    support_amount: int
-    reposted: int
-    last_takeover_height: typing.Optional[int]
-    claims_in_channel: typing.Optional[int]
-    channel_hash: typing.Optional[bytes]
-    reposted_claim_hash: typing.Optional[bytes]
-    signature_valid: typing.Optional[bool]

lbry/wallet/server/db/db.py

@@ -1,119 +0,0 @@
-import struct
-from typing import Optional
-from lbry.wallet.server.db import DB_PREFIXES
-from lbry.wallet.server.db.revertable import RevertableOpStack, RevertablePut, RevertableDelete
-
-
-class KeyValueStorage:
-    def get(self, key: bytes, fill_cache: bool = True) -> Optional[bytes]:
-        raise NotImplemented()
-
-    def iterator(self, reverse=False, start=None, stop=None, include_start=True, include_stop=False, prefix=None,
-                 include_key=True, include_value=True, fill_cache=True):
-        raise NotImplemented()
-
-    def write_batch(self, transaction: bool = False):
-        raise NotImplemented()
-
-    def close(self):
-        raise NotImplemented()
-
-    @property
-    def closed(self) -> bool:
-        raise NotImplemented()
-
-
-class PrefixDB:
-    UNDO_KEY_STRUCT = struct.Struct(b'>Q')
-
-    def __init__(self, db: KeyValueStorage, max_undo_depth: int = 200, unsafe_prefixes=None):
-        self._db = db
-        self._op_stack = RevertableOpStack(db.get, unsafe_prefixes=unsafe_prefixes)
-        self._max_undo_depth = max_undo_depth
-
-    def unsafe_commit(self):
-        """
-        Write staged changes to the database without keeping undo information
-        Changes written cannot be undone
-        """
-        try:
-            with self._db.write_batch(transaction=True) as batch:
-                batch_put = batch.put
-                batch_delete = batch.delete
-                for staged_change in self._op_stack:
-                    if staged_change.is_put:
-                        batch_put(staged_change.key, staged_change.value)
-                    else:
-                        batch_delete(staged_change.key)
-        finally:
-            self._op_stack.clear()
-
-    def commit(self, height: int):
-        """
-        Write changes for a block height to the database and keep undo information so that the changes can be reverted
-        """
-        undo_ops = self._op_stack.get_undo_ops()
-        delete_undos = []
-        if height > self._max_undo_depth:
-            delete_undos.extend(self._db.iterator(
-                start=DB_PREFIXES.undo.value + self.UNDO_KEY_STRUCT.pack(0),
-                stop=DB_PREFIXES.undo.value + self.UNDO_KEY_STRUCT.pack(height - self._max_undo_depth),
-                include_value=False
-            ))
-        try:
-            with self._db.write_batch(transaction=True) as batch:
-                batch_put = batch.put
-                batch_delete = batch.delete
-                for staged_change in self._op_stack:
-                    if staged_change.is_put:
-                        batch_put(staged_change.key, staged_change.value)
-                    else:
-                        batch_delete(staged_change.key)
-                for undo_to_delete in delete_undos:
-                    batch_delete(undo_to_delete)
-                batch_put(DB_PREFIXES.undo.value + self.UNDO_KEY_STRUCT.pack(height), undo_ops)
-        finally:
-            self._op_stack.clear()
-
-    def rollback(self, height: int):
-        """
-        Revert changes for a block height
-        """
-        undo_key = DB_PREFIXES.undo.value + self.UNDO_KEY_STRUCT.pack(height)
-        self._op_stack.apply_packed_undo_ops(self._db.get(undo_key))
-        try:
-            with self._db.write_batch(transaction=True) as batch:
-                batch_put = batch.put
-                batch_delete = batch.delete
-                for staged_change in self._op_stack:
-                    if staged_change.is_put:
-                        batch_put(staged_change.key, staged_change.value)
-                    else:
-                        batch_delete(staged_change.key)
-                batch_delete(undo_key)
-        finally:
-            self._op_stack.clear()
-
-    def get(self, key: bytes, fill_cache: bool = True) -> Optional[bytes]:
-        return self._db.get(key, fill_cache=fill_cache)
-
-    def iterator(self, reverse=False, start=None, stop=None, include_start=True, include_stop=False, prefix=None,
-                 include_key=True, include_value=True, fill_cache=True):
-        return self._db.iterator(
-            reverse=reverse, start=start, stop=stop, include_start=include_start, include_stop=include_stop,
-            prefix=prefix, include_key=include_key, include_value=include_value, fill_cache=fill_cache
-        )
-
-    def close(self):
-        if not self._db.closed:
-            self._db.close()
-
-    @property
-    def closed(self):
-        return self._db.closed
-
-    def stage_raw_put(self, key: bytes, value: bytes):
-        self._op_stack.append_op(RevertablePut(key, value))
-
-    def stage_raw_delete(self, key: bytes, value: bytes):
-        self._op_stack.append_op(RevertableDelete(key, value))

lbry/wallet/server/db/elasticsearch/__init__.py

@@ -1 +0,0 @@
-from .search import SearchIndex

lbry/wallet/server/db/elasticsearch/constants.py

@@ -1,100 +0,0 @@
-INDEX_DEFAULT_SETTINGS = {
-    "settings":
-        {"analysis":
-            {"analyzer": {
-                "default": {"tokenizer": "whitespace", "filter": ["lowercase", "porter_stem"]}}},
-            "index":
-                {"refresh_interval": -1,
-                 "number_of_shards": 1,
-                 "number_of_replicas": 0,
-                 "sort": {
-                     "field": ["trending_score", "release_time"],
-                     "order": ["desc", "desc"]
-                 }}
-        },
-    "mappings": {
-        "properties": {
-            "claim_id": {
-                "fields": {
-                    "keyword": {
-                        "ignore_above": 256,
-                        "type": "keyword"
-                    }
-                },
-                "type": "text",
-                "index_prefixes": {
-                    "min_chars": 1,
-                    "max_chars": 10
-                }
-            },
-            "sd_hash": {
-                "fields": {
-                    "keyword": {
-                        "ignore_above": 96,
-                        "type": "keyword"
-                    }
-                },
-                "type": "text",
-                "index_prefixes": {
-                    "min_chars": 1,
-                    "max_chars": 4
-                }
-            },
-            "height": {"type": "integer"},
-            "claim_type": {"type": "byte"},
-            "censor_type": {"type": "byte"},
-            "trending_score": {"type": "double"},
-            "release_time": {"type": "long"}
-        }
-    }
-}
-
-FIELDS = {
-    '_id',
-    'claim_id', 'claim_type', 'claim_name', 'normalized_name',
-    'tx_id', 'tx_nout', 'tx_position',
-    'short_url', 'canonical_url',
-    'is_controlling', 'last_take_over_height',
-    'public_key_bytes', 'public_key_id', 'claims_in_channel',
-    'channel_id', 'signature', 'signature_digest', 'is_signature_valid',
-    'amount', 'effective_amount', 'support_amount',
-    'fee_amount', 'fee_currency',
-    'height', 'creation_height', 'activation_height', 'expiration_height',
-    'stream_type', 'media_type', 'censor_type',
-    'title', 'author', 'description',
-    'timestamp', 'creation_timestamp',
-    'duration', 'release_time',
-    'tags', 'languages', 'has_source', 'reposted_claim_type',
-    'reposted_claim_id', 'repost_count', 'sd_hash',
-    'trending_score', 'tx_num'
-}
-
-TEXT_FIELDS = {'author', 'canonical_url', 'channel_id', 'description', 'claim_id', 'censoring_channel_id',
-               'media_type', 'normalized_name', 'public_key_bytes', 'public_key_id', 'short_url', 'signature',
-               'claim_name', 'signature_digest', 'title', 'tx_id', 'fee_currency', 'reposted_claim_id',
-               'tags', 'sd_hash'}
-
-RANGE_FIELDS = {
-    'height', 'creation_height', 'activation_height', 'expiration_height',
-    'timestamp', 'creation_timestamp', 'duration', 'release_time', 'fee_amount',
-    'tx_position', 'repost_count', 'limit_claims_per_channel',
-    'amount', 'effective_amount', 'support_amount',
-    'trending_score', 'censor_type', 'tx_num'
-}
-
-ALL_FIELDS = RANGE_FIELDS | TEXT_FIELDS | FIELDS
-
-REPLACEMENTS = {
-    'claim_name': 'normalized_name',
-    'name': 'normalized_name',
-    'txid': 'tx_id',
-    'nout': 'tx_nout',
-    'trending_group': 'trending_score',
-    'trending_mixed': 'trending_score',
-    'trending_global': 'trending_score',
-    'trending_local': 'trending_score',
-    'reposted': 'repost_count',
-    'stream_types': 'stream_type',
-    'media_types': 'media_type',
-    'valid_channel_signature': 'is_signature_valid'
-}

lbry/wallet/server/db/elasticsearch/search.py

@@ -1,726 +0,0 @@
-import time
-import asyncio
-import struct
-from binascii import unhexlify
-from collections import Counter, deque
-from decimal import Decimal
-from operator import itemgetter
-from typing import Optional, List, Iterable, Union
-
-from elasticsearch import AsyncElasticsearch, NotFoundError, ConnectionError
-from elasticsearch.helpers import async_streaming_bulk
-from lbry.error import ResolveCensoredError, TooManyClaimSearchParametersError
-from lbry.schema.result import Outputs, Censor
-from lbry.schema.tags import clean_tags
-from lbry.schema.url import URL, normalize_name
-from lbry.utils import LRUCache
-from lbry.wallet.server.db.common import CLAIM_TYPES, STREAM_TYPES
-from lbry.wallet.server.db.elasticsearch.constants import INDEX_DEFAULT_SETTINGS, REPLACEMENTS, FIELDS, TEXT_FIELDS, \
-    RANGE_FIELDS, ALL_FIELDS
-from lbry.wallet.server.util import class_logger
-from lbry.wallet.server.db.common import ResolveResult
-
-
-class ChannelResolution(str):
-    @classmethod
-    def lookup_error(cls, url):
-        return LookupError(f'Could not find channel in "{url}".')
-
-
-class StreamResolution(str):
-    @classmethod
-    def lookup_error(cls, url):
-        return LookupError(f'Could not find claim at "{url}".')
-
-
-class IndexVersionMismatch(Exception):
-    def __init__(self, got_version, expected_version):
-        self.got_version = got_version
-        self.expected_version = expected_version
-
-
-class SearchIndex:
-    VERSION = 1
-
-    def __init__(self, index_prefix: str, search_timeout=3.0, elastic_host='localhost', elastic_port=9200):
-        self.search_timeout = search_timeout
-        self.sync_timeout = 600  # wont hit that 99% of the time, but can hit on a fresh import
-        self.search_client: Optional[AsyncElasticsearch] = None
-        self.sync_client: Optional[AsyncElasticsearch] = None
-        self.index = index_prefix + 'claims'
-        self.logger = class_logger(__name__, self.__class__.__name__)
-        self.claim_cache = LRUCache(2 ** 15)
-        self.search_cache = LRUCache(2 ** 17)
-        self._elastic_host = elastic_host
-        self._elastic_port = elastic_port
-
-    async def get_index_version(self) -> int:
-        try:
-            template = await self.sync_client.indices.get_template(self.index)
-            return template[self.index]['version']
-        except NotFoundError:
-            return 0
-
-    async def set_index_version(self, version):
-        await self.sync_client.indices.put_template(
-            self.index, body={'version': version, 'index_patterns': ['ignored']}, ignore=400
-        )
-
-    async def start(self) -> bool:
-        if self.sync_client:
-            return False
-        hosts = [{'host': self._elastic_host, 'port': self._elastic_port}]
-        self.sync_client = AsyncElasticsearch(hosts, timeout=self.sync_timeout)
-        self.search_client = AsyncElasticsearch(hosts, timeout=self.search_timeout)
-        while True:
-            try:
-                await self.sync_client.cluster.health(wait_for_status='yellow')
-                break
-            except ConnectionError:
-                self.logger.warning("Failed to connect to Elasticsearch. Waiting for it!")
-                await asyncio.sleep(1)
-
-        res = await self.sync_client.indices.create(self.index, INDEX_DEFAULT_SETTINGS, ignore=400)
-        acked = res.get('acknowledged', False)
-        if acked:
-            await self.set_index_version(self.VERSION)
-            return acked
-        index_version = await self.get_index_version()
-        if index_version != self.VERSION:
-            self.logger.error("es search index has an incompatible version: %s vs %s", index_version, self.VERSION)
-            raise IndexVersionMismatch(index_version, self.VERSION)
-        await self.sync_client.indices.refresh(self.index)
-        return acked
-
-    def stop(self):
-        clients = [self.sync_client, self.search_client]
-        self.sync_client, self.search_client = None, None
-        return asyncio.ensure_future(asyncio.gather(*(client.close() for client in clients)))
-
-    def delete_index(self):
-        return self.sync_client.indices.delete(self.index, ignore_unavailable=True)
-
-    async def _consume_claim_producer(self, claim_producer):
-        count = 0
-        async for op, doc in claim_producer:
-            if op == 'delete':
-                yield {
-                    '_index': self.index,
-                    '_op_type': 'delete',
-                    '_id': doc
-                }
-            else:
-                yield {
-                    'doc': {key: value for key, value in doc.items() if key in ALL_FIELDS},
-                    '_id': doc['claim_id'],
-                    '_index': self.index,
-                    '_op_type': 'update',
-                    'doc_as_upsert': True
-                }
-            count += 1
-            if count % 100 == 0:
-                self.logger.info("Indexing in progress, %d claims.", count)
-        if count:
-            self.logger.info("Indexing done for %d claims.", count)
-        else:
-            self.logger.debug("Indexing done for %d claims.", count)
-
-    async def claim_consumer(self, claim_producer):
-        touched = set()
-        async for ok, item in async_streaming_bulk(self.sync_client, self._consume_claim_producer(claim_producer),
-                                                   raise_on_error=False):
-            if not ok:
-                self.logger.warning("indexing failed for an item: %s", item)
-            else:
-                item = item.popitem()[1]
-                touched.add(item['_id'])
-        await self.sync_client.indices.refresh(self.index)
-        self.logger.debug("Indexing done.")
-
-    def update_filter_query(self, censor_type, blockdict, channels=False):
-        blockdict = {blocked.hex(): blocker.hex() for blocked, blocker in blockdict.items()}
-        if channels:
-            update = expand_query(channel_id__in=list(blockdict.keys()), censor_type=f"<{censor_type}")
-        else:
-            update = expand_query(claim_id__in=list(blockdict.keys()), censor_type=f"<{censor_type}")
-        key = 'channel_id' if channels else 'claim_id'
-        update['script'] = {
-            "source": f"ctx._source.censor_type={censor_type}; "
-                      f"ctx._source.censoring_channel_id=params[ctx._source.{key}];",
-            "lang": "painless",
-            "params": blockdict
-        }
-        return update
-
-    async def update_trending_score(self, params):
-        update_trending_score_script = """
-        double softenLBC(double lbc) { return (Math.pow(lbc, 1.0 / 3.0)); }
-
-        double logsumexp(double x, double y)
-        {
-            double top;
-            if(x > y)
-                top = x;
-            else
-                top = y;
-            double result = top + Math.log(Math.exp(x-top) + Math.exp(y-top));
-            return(result);
-        }
-
-        double logdiffexp(double big, double small)
-        {
-            return big + Math.log(1.0 - Math.exp(small - big));
-        }
-
-        double squash(double x)
-        {
-            if(x < 0.0)
-                return -Math.log(1.0 - x);
-            else
-                return Math.log(x + 1.0);
-        }
-
-        double unsquash(double x)
-        {
-            if(x < 0.0)
-                return 1.0 - Math.exp(-x);
-            else
-                return Math.exp(x) - 1.0;
-        }
-
-        double log_to_squash(double x)
-        {
-            return logsumexp(x, 0.0);
-        }
-
-        double squash_to_log(double x)
-        {
-            //assert x > 0.0;
-            return logdiffexp(x, 0.0);
-        }
-
-        double squashed_add(double x, double y)
-        {
-            // squash(unsquash(x) + unsquash(y)) but avoiding overflow.
-            // Cases where the signs are the same
-            if (x < 0.0 && y < 0.0)
-                return -logsumexp(-x, logdiffexp(-y, 0.0));
-            if (x >= 0.0 && y >= 0.0)
-                return logsumexp(x, logdiffexp(y, 0.0));
-            // Where the signs differ
-            if (x >= 0.0 && y < 0.0)
-                if (Math.abs(x) >= Math.abs(y))
-                    return logsumexp(0.0, logdiffexp(x, -y));
-                else
-                    return -logsumexp(0.0, logdiffexp(-y, x));
-            if (x < 0.0 && y >= 0.0)
-            {
-                // Addition is commutative, hooray for new math
-                return squashed_add(y, x);
-            }
-            return 0.0;
-        }
-
-        double squashed_multiply(double x, double y)
-        {
-            // squash(unsquash(x)*unsquash(y)) but avoiding overflow.
-            int sign;
-            if(x*y >= 0.0)
-                sign = 1;
-            else
-                sign = -1;
-            return sign*logsumexp(squash_to_log(Math.abs(x))
-                            + squash_to_log(Math.abs(y)), 0.0);
-        }
-
-        // Squashed inflated units
-        double inflateUnits(int height) {
-            double timescale = 576.0; // Half life of 400 = e-folding time of a day
-                                      // by coincidence, so may as well go with it
-            return log_to_squash(height / timescale);
-        }
-
-        double spikePower(double newAmount) {
-            if (newAmount < 50.0) {
-                return(0.5);
-            } else if (newAmount < 85.0) {
-                return(newAmount / 100.0);
-            } else {
-                return(0.85);
-            }
-        }
-
-        double spikeMass(double oldAmount, double newAmount) {
-            double softenedChange = softenLBC(Math.abs(newAmount - oldAmount));
-            double changeInSoftened = Math.abs(softenLBC(newAmount) - softenLBC(oldAmount));
-            double power = spikePower(newAmount);
-            if (oldAmount > newAmount) {
-                -1.0 * Math.pow(changeInSoftened, power) * Math.pow(softenedChange, 1.0 - power)
-            } else {
-                Math.pow(changeInSoftened, power) * Math.pow(softenedChange, 1.0 - power)
-            }
-        }
-        for (i in params.src.changes) {
-            double units = inflateUnits(i.height);
-            if (ctx._source.trending_score == null) {
-                ctx._source.trending_score = 0.0;
-            }
-            double bigSpike = squashed_multiply(units, squash(spikeMass(i.prev_amount, i.new_amount)));
-            ctx._source.trending_score = squashed_add(ctx._source.trending_score, bigSpike);
-        }
-        """
-        start = time.perf_counter()
-
-        def producer():
-            for claim_id, claim_updates in params.items():
-                yield {
-                    '_id': claim_id,
-                    '_index': self.index,
-                    '_op_type': 'update',
-                    'script': {
-                        'lang': 'painless',
-                        'source': update_trending_score_script,
-                        'params': {'src': {
-                            'changes': [
-                                {
-                                    'height': p.height,
-                                    'prev_amount': p.prev_amount / 1E8,
-                                    'new_amount': p.new_amount / 1E8,
-                                } for p in claim_updates
-                            ]
-                        }}
-                    },
-                }
-        if not params:
-            return
-        async for ok, item in async_streaming_bulk(self.sync_client, producer(), raise_on_error=False):
-            if not ok:
-                self.logger.warning("updating trending failed for an item: %s", item)
-        await self.sync_client.indices.refresh(self.index)
-        self.logger.info("updated trending scores in %ims", int((time.perf_counter() - start) * 1000))
-
-    async def apply_filters(self, blocked_streams, blocked_channels, filtered_streams, filtered_channels):
-        if filtered_streams:
-            await self.sync_client.update_by_query(
-                self.index, body=self.update_filter_query(Censor.SEARCH, filtered_streams), slices=4)
-            await self.sync_client.indices.refresh(self.index)
-        if filtered_channels:
-            await self.sync_client.update_by_query(
-                self.index, body=self.update_filter_query(Censor.SEARCH, filtered_channels), slices=4)
-            await self.sync_client.indices.refresh(self.index)
-            await self.sync_client.update_by_query(
-                self.index, body=self.update_filter_query(Censor.SEARCH, filtered_channels, True), slices=4)
-            await self.sync_client.indices.refresh(self.index)
-        if blocked_streams:
-            await self.sync_client.update_by_query(
-                self.index, body=self.update_filter_query(Censor.RESOLVE, blocked_streams), slices=4)
-            await self.sync_client.indices.refresh(self.index)
-        if blocked_channels:
-            await self.sync_client.update_by_query(
-                self.index, body=self.update_filter_query(Censor.RESOLVE, blocked_channels), slices=4)
-            await self.sync_client.indices.refresh(self.index)
-            await self.sync_client.update_by_query(
-                self.index, body=self.update_filter_query(Censor.RESOLVE, blocked_channels, True), slices=4)
-            await self.sync_client.indices.refresh(self.index)
-        self.clear_caches()
-
-    def clear_caches(self):
-        self.search_cache.clear()
-        self.claim_cache.clear()
-
-    async def cached_search(self, kwargs):
-        total_referenced = []
-        cache_item = ResultCacheItem.from_cache(str(kwargs), self.search_cache)
-        if cache_item.result is not None:
-            return cache_item.result
-        async with cache_item.lock:
-            if cache_item.result:
-                return cache_item.result
-            censor = Censor(Censor.SEARCH)
-            if kwargs.get('no_totals'):
-                response, offset, total = await self.search(**kwargs, censor_type=Censor.NOT_CENSORED)
-            else:
-                response, offset, total = await self.search(**kwargs)
-            censor.apply(response)
-            total_referenced.extend(response)
-
-            if censor.censored:
-                response, _, _ = await self.search(**kwargs, censor_type=Censor.NOT_CENSORED)
-                total_referenced.extend(response)
-            response = [
-                ResolveResult(
-                    name=r['claim_name'],
-                    normalized_name=r['normalized_name'],
-                    claim_hash=r['claim_hash'],
-                    tx_num=r['tx_num'],
-                    position=r['tx_nout'],
-                    tx_hash=r['tx_hash'],
-                    height=r['height'],
-                    amount=r['amount'],
-                    short_url=r['short_url'],
-                    is_controlling=r['is_controlling'],
-                    canonical_url=r['canonical_url'],
-                    creation_height=r['creation_height'],
-                    activation_height=r['activation_height'],
-                    expiration_height=r['expiration_height'],
-                    effective_amount=r['effective_amount'],
-                    support_amount=r['support_amount'],
-                    last_takeover_height=r['last_take_over_height'],
-                    claims_in_channel=r['claims_in_channel'],
-                    channel_hash=r['channel_hash'],
-                    reposted_claim_hash=r['reposted_claim_hash'],
-                    reposted=r['reposted'],
-                    signature_valid=r['signature_valid']
-                ) for r in response
-            ]
-            extra = [
-                ResolveResult(
-                    name=r['claim_name'],
-                    normalized_name=r['normalized_name'],
-                    claim_hash=r['claim_hash'],
-                    tx_num=r['tx_num'],
-                    position=r['tx_nout'],
-                    tx_hash=r['tx_hash'],
-                    height=r['height'],
-                    amount=r['amount'],
-                    short_url=r['short_url'],
-                    is_controlling=r['is_controlling'],
-                    canonical_url=r['canonical_url'],
-                    creation_height=r['creation_height'],
-                    activation_height=r['activation_height'],
-                    expiration_height=r['expiration_height'],
-                    effective_amount=r['effective_amount'],
-                    support_amount=r['support_amount'],
-                    last_takeover_height=r['last_take_over_height'],
-                    claims_in_channel=r['claims_in_channel'],
-                    channel_hash=r['channel_hash'],
-                    reposted_claim_hash=r['reposted_claim_hash'],
-                    reposted=r['reposted'],
-                    signature_valid=r['signature_valid']
-                ) for r in await self._get_referenced_rows(total_referenced)
-            ]
-            result = Outputs.to_base64(
-                response, extra, offset, total, censor
-            )
-            cache_item.result = result
-            return result
-
-    async def get_many(self, *claim_ids):
-        await self.populate_claim_cache(*claim_ids)
-        return filter(None, map(self.claim_cache.get, claim_ids))
-
-    async def populate_claim_cache(self, *claim_ids):
-        missing = [claim_id for claim_id in claim_ids if self.claim_cache.get(claim_id) is None]
-        if missing:
-            results = await self.search_client.mget(
-                index=self.index, body={"ids": missing}
-            )
-            for result in expand_result(filter(lambda doc: doc['found'], results["docs"])):
-                self.claim_cache.set(result['claim_id'], result)
-
-
-    async def search(self, **kwargs):
-        try:
-            return await self.search_ahead(**kwargs)
-        except NotFoundError:
-            return [], 0, 0
-        # return expand_result(result['hits']), 0, result.get('total', {}).get('value', 0)
-
-    async def search_ahead(self, **kwargs):
-        # 'limit_claims_per_channel' case. Fetch 1000 results, reorder, slice, inflate and return
-        per_channel_per_page = kwargs.pop('limit_claims_per_channel', 0) or 0
-        remove_duplicates = kwargs.pop('remove_duplicates', False)
-        page_size = kwargs.pop('limit', 10)
-        offset = kwargs.pop('offset', 0)
-        kwargs['limit'] = 1000
-        cache_item = ResultCacheItem.from_cache(f"ahead{per_channel_per_page}{kwargs}", self.search_cache)
-        if cache_item.result is not None:
-            reordered_hits = cache_item.result
-        else:
-            async with cache_item.lock:
-                if cache_item.result:
-                    reordered_hits = cache_item.result
-                else:
-                    query = expand_query(**kwargs)
-                    search_hits = deque((await self.search_client.search(
-                        query, index=self.index, track_total_hits=False,
-                        _source_includes=['_id', 'channel_id', 'reposted_claim_id', 'creation_height']
-                    ))['hits']['hits'])
-                    if remove_duplicates:
-                        search_hits = self.__remove_duplicates(search_hits)
-                    if per_channel_per_page > 0:
-                        reordered_hits = self.__search_ahead(search_hits, page_size, per_channel_per_page)
-                    else:
-                        reordered_hits = [(hit['_id'], hit['_source']['channel_id']) for hit in search_hits]
-                    cache_item.result = reordered_hits
-        result = list(await self.get_many(*(claim_id for claim_id, _ in reordered_hits[offset:(offset + page_size)])))
-        return result, 0, len(reordered_hits)
-
-    def __remove_duplicates(self, search_hits: deque) -> deque:
-        known_ids = {}  # claim_id -> (creation_height, hit_id), where hit_id is either reposted claim id or original
-        dropped = set()
-        for hit in search_hits:
-            hit_height, hit_id = hit['_source']['creation_height'], hit['_source']['reposted_claim_id'] or hit['_id']
-            if hit_id not in known_ids:
-                known_ids[hit_id] = (hit_height, hit['_id'])
-            else:
-                previous_height, previous_id = known_ids[hit_id]
-                if hit_height < previous_height:
-                    known_ids[hit_id] = (hit_height, hit['_id'])
-                    dropped.add(previous_id)
-                else:
-                    dropped.add(hit['_id'])
-        return deque(hit for hit in search_hits if hit['_id'] not in dropped)
-
-    def __search_ahead(self, search_hits: list, page_size: int, per_channel_per_page: int):
-        reordered_hits = []
-        channel_counters = Counter()
-        next_page_hits_maybe_check_later = deque()
-        while search_hits or next_page_hits_maybe_check_later:
-            if reordered_hits and len(reordered_hits) % page_size == 0:
-                channel_counters.clear()
-            elif not reordered_hits:
-                pass
-            else:
-                break  # means last page was incomplete and we are left with bad replacements
-            for _ in range(len(next_page_hits_maybe_check_later)):
-                claim_id, channel_id = next_page_hits_maybe_check_later.popleft()
-                if per_channel_per_page > 0 and channel_counters[channel_id] < per_channel_per_page:
-                    reordered_hits.append((claim_id, channel_id))
-                    channel_counters[channel_id] += 1
-                else:
-                    next_page_hits_maybe_check_later.append((claim_id, channel_id))
-            while search_hits:
-                hit = search_hits.popleft()
-                hit_id, hit_channel_id = hit['_id'], hit['_source']['channel_id']
-                if hit_channel_id is None or per_channel_per_page <= 0:
-                    reordered_hits.append((hit_id, hit_channel_id))
-                elif channel_counters[hit_channel_id] < per_channel_per_page:
-                    reordered_hits.append((hit_id, hit_channel_id))
-                    channel_counters[hit_channel_id] += 1
-                    if len(reordered_hits) % page_size == 0:
-                        break
-                else:
-                    next_page_hits_maybe_check_later.append((hit_id, hit_channel_id))
-        return reordered_hits
-
-    async def _get_referenced_rows(self, txo_rows: List[dict]):
-        txo_rows = [row for row in txo_rows if isinstance(row, dict)]
-        referenced_ids = set(filter(None, map(itemgetter('reposted_claim_id'), txo_rows)))
-        referenced_ids |= set(filter(None, (row['channel_id'] for row in txo_rows)))
-        referenced_ids |= set(filter(None, (row['censoring_channel_id'] for row in txo_rows)))
-
-        referenced_txos = []
-        if referenced_ids:
-            referenced_txos.extend(await self.get_many(*referenced_ids))
-            referenced_ids = set(filter(None, (row['channel_id'] for row in referenced_txos)))
-
-        if referenced_ids:
-            referenced_txos.extend(await self.get_many(*referenced_ids))
-
-        return referenced_txos
-
-
-def expand_query(**kwargs):
-    if "amount_order" in kwargs:
-        kwargs["limit"] = 1
-        kwargs["order_by"] = "effective_amount"
-        kwargs["offset"] = int(kwargs["amount_order"]) - 1
-    if 'name' in kwargs:
-        kwargs['name'] = normalize_name(kwargs.pop('name'))
-    if kwargs.get('is_controlling') is False:
-        kwargs.pop('is_controlling')
-    query = {'must': [], 'must_not': []}
-    collapse = None
-    if 'fee_currency' in kwargs and kwargs['fee_currency'] is not None:
-        kwargs['fee_currency'] = kwargs['fee_currency'].upper()
-    for key, value in kwargs.items():
-        key = key.replace('claim.', '')
-        many = key.endswith('__in') or isinstance(value, list)
-        if many and len(value) > 2048:
-            raise TooManyClaimSearchParametersError(key, 2048)
-        if many:
-            key = key.replace('__in', '')
-            value = list(filter(None, value))
-        if value is None or isinstance(value, list) and len(value) == 0:
-            continue
-        key = REPLACEMENTS.get(key, key)
-        if key in FIELDS:
-            partial_id = False
-            if key == 'claim_type':
-                if isinstance(value, str):
-                    value = CLAIM_TYPES[value]
-                else:
-                    value = [CLAIM_TYPES[claim_type] for claim_type in value]
-            elif key == 'stream_type':
-                value = [STREAM_TYPES[value]] if isinstance(value, str) else list(map(STREAM_TYPES.get, value))
-            if key == '_id':
-                if isinstance(value, Iterable):
-                    value = [item[::-1].hex() for item in value]
-                else:
-                    value = value[::-1].hex()
-            if not many and key in ('_id', 'claim_id', 'sd_hash') and len(value) < 20:
-                partial_id = True
-            if key in ('signature_valid', 'has_source'):
-                continue  # handled later
-            if key in TEXT_FIELDS:
-                key += '.keyword'
-            ops = {'<=': 'lte', '>=': 'gte', '<': 'lt', '>': 'gt'}
-            if partial_id:
-                query['must'].append({"prefix": {key: value}})
-            elif key in RANGE_FIELDS and isinstance(value, str) and value[0] in ops:
-                operator_length = 2 if value[:2] in ops else 1
-                operator, value = value[:operator_length], value[operator_length:]
-                if key == 'fee_amount':
-                    value = str(Decimal(value)*1000)
-                query['must'].append({"range": {key: {ops[operator]: value}}})
-            elif key in RANGE_FIELDS and isinstance(value, list) and all(v[0] in ops for v in value):
-                range_constraints = []
-                for v in value:
-                    operator_length = 2 if v[:2] in ops else 1
-                    operator, stripped_op_v = v[:operator_length], v[operator_length:]
-                    if key == 'fee_amount':
-                        stripped_op_v = str(Decimal(stripped_op_v)*1000)
-                    range_constraints.append((operator, stripped_op_v))
-                query['must'].append({"range": {key: {ops[operator]: v for operator, v in range_constraints}}})
-            elif many:
-                query['must'].append({"terms": {key: value}})
-            else:
-                if key == 'fee_amount':
-                    value = str(Decimal(value)*1000)
-                query['must'].append({"term": {key: {"value": value}}})
-        elif key == 'not_channel_ids':
-            for channel_id in value:
-                query['must_not'].append({"term": {'channel_id.keyword': channel_id}})
-                query['must_not'].append({"term": {'_id': channel_id}})
-        elif key == 'channel_ids':
-            query['must'].append({"terms": {'channel_id.keyword': value}})
-        elif key == 'claim_ids':
-            query['must'].append({"terms": {'claim_id.keyword': value}})
-        elif key == 'media_types':
-            query['must'].append({"terms": {'media_type.keyword': value}})
-        elif key == 'any_languages':
-            query['must'].append({"terms": {'languages': clean_tags(value)}})
-        elif key == 'any_languages':
-            query['must'].append({"terms": {'languages': value}})
-        elif key == 'all_languages':
-            query['must'].extend([{"term": {'languages': tag}} for tag in value])
-        elif key == 'any_tags':
-            query['must'].append({"terms": {'tags.keyword': clean_tags(value)}})
-        elif key == 'all_tags':
-            query['must'].extend([{"term": {'tags.keyword': tag}} for tag in clean_tags(value)])
-        elif key == 'not_tags':
-            query['must_not'].extend([{"term": {'tags.keyword': tag}} for tag in clean_tags(value)])
-        elif key == 'not_claim_id':
-            query['must_not'].extend([{"term": {'claim_id.keyword': cid}} for cid in value])
-        elif key == 'limit_claims_per_channel':
-            collapse = ('channel_id.keyword', value)
-    if kwargs.get('has_channel_signature'):
-        query['must'].append({"exists": {"field": "signature"}})
-        if 'signature_valid' in kwargs:
-            query['must'].append({"term": {"is_signature_valid": bool(kwargs["signature_valid"])}})
-    elif 'signature_valid' in kwargs:
-        query.setdefault('should', [])
-        query["minimum_should_match"] = 1
-        query['should'].append({"bool": {"must_not": {"exists": {"field": "signature"}}}})
-        query['should'].append({"term": {"is_signature_valid": bool(kwargs["signature_valid"])}})
-    if 'has_source' in kwargs:
-        query.setdefault('should', [])
-        query["minimum_should_match"] = 1
-        is_stream_or_repost = {"terms": {"claim_type": [CLAIM_TYPES['stream'], CLAIM_TYPES['repost']]}}
-        query['should'].append(
-            {"bool": {"must": [{"match": {"has_source": kwargs['has_source']}}, is_stream_or_repost]}})
-        query['should'].append({"bool": {"must_not": [is_stream_or_repost]}})
-        query['should'].append({"bool": {"must": [{"term": {"reposted_claim_type": CLAIM_TYPES['channel']}}]}})
-    if kwargs.get('text'):
-        query['must'].append(
-                    {"simple_query_string":
-                         {"query": kwargs["text"], "fields": [
-                             "claim_name^4", "channel_name^8", "title^1", "description^.5", "author^1", "tags^.5"
-                         ]}})
-    query = {
-        "_source": {"excludes": ["description", "title"]},
-        'query': {'bool': query},
-        "sort": [],
-    }
-    if "limit" in kwargs:
-        query["size"] = kwargs["limit"]
-    if 'offset' in kwargs:
-        query["from"] = kwargs["offset"]
-    if 'order_by' in kwargs:
-        if isinstance(kwargs["order_by"], str):
-            kwargs["order_by"] = [kwargs["order_by"]]
-        for value in kwargs['order_by']:
-            if 'trending_group' in value:
-                # fixme: trending_mixed is 0 for all records on variable decay, making sort slow.
-                continue
-            is_asc = value.startswith('^')
-            value = value[1:] if is_asc else value
-            value = REPLACEMENTS.get(value, value)
-            if value in TEXT_FIELDS:
-                value += '.keyword'
-            query['sort'].append({value: "asc" if is_asc else "desc"})
-    if collapse:
-        query["collapse"] = {
-            "field": collapse[0],
-            "inner_hits": {
-                "name": collapse[0],
-                "size": collapse[1],
-                "sort": query["sort"]
-            }
-        }
-    return query
-
-
-def expand_result(results):
-    inner_hits = []
-    expanded = []
-    for result in results:
-        if result.get("inner_hits"):
-            for _, inner_hit in result["inner_hits"].items():
-                inner_hits.extend(inner_hit["hits"]["hits"])
-            continue
-        result = result['_source']
-        result['claim_hash'] = unhexlify(result['claim_id'])[::-1]
-        if result['reposted_claim_id']:
-            result['reposted_claim_hash'] = unhexlify(result['reposted_claim_id'])[::-1]
-        else:
-            result['reposted_claim_hash'] = None
-        result['channel_hash'] = unhexlify(result['channel_id'])[::-1] if result['channel_id'] else None
-        result['txo_hash'] = unhexlify(result['tx_id'])[::-1] + struct.pack('<I', result['tx_nout'])
-        result['tx_hash'] = unhexlify(result['tx_id'])[::-1]
-        result['reposted'] = result.pop('repost_count')
-        result['signature_valid'] = result.pop('is_signature_valid')
-        # result['normalized'] = result.pop('normalized_name')
-        # if result['censoring_channel_hash']:
-        #     result['censoring_channel_hash'] = unhexlify(result['censoring_channel_hash'])[::-1]
-        expanded.append(result)
-    if inner_hits:
-        return expand_result(inner_hits)
-    return expanded
-
-
-class ResultCacheItem:
-    __slots__ = '_result', 'lock', 'has_result'
-
-    def __init__(self):
-        self.has_result = asyncio.Event()
-        self.lock = asyncio.Lock()
-        self._result = None
-
-    @property
-    def result(self) -> str:
-        return self._result
-
-    @result.setter
-    def result(self, result: str):
-        self._result = result
-        if result is not None:
-            self.has_result.set()
-
-    @classmethod
-    def from_cache(cls, cache_key, cache):
-        cache_item = cache.get(cache_key)
-        if cache_item is None:
-            cache_item = cache[cache_key] = ResultCacheItem()
-        return cache_item

lbry/wallet/server/db/elasticsearch/sync.py

@@ -1,138 +0,0 @@
-import os
-import argparse
-import asyncio
-import logging
-from elasticsearch import AsyncElasticsearch
-from elasticsearch.helpers import async_streaming_bulk
-from lbry.wallet.server.env import Env
-from lbry.wallet.server.leveldb import LevelDB
-from lbry.wallet.server.db.elasticsearch.search import SearchIndex, IndexVersionMismatch
-from lbry.wallet.server.db.elasticsearch.constants import ALL_FIELDS
-
-
-async def get_recent_claims(env, index_name='claims', db=None):
-    log = logging.getLogger()
-    need_open = db is None
-    db = db or LevelDB(env)
-    try:
-        if need_open:
-            db.open_db()
-        if db.es_sync_height == db.db_height or db.db_height <= 0:
-            return
-        if need_open:
-            await db.initialize_caches()
-        log.info(f"catching up ES ({db.es_sync_height}) to leveldb height: {db.db_height}")
-        cnt = 0
-        touched_claims = set()
-        deleted_claims = set()
-        for height in range(db.es_sync_height, db.db_height + 1):
-            touched_or_deleted = db.prefix_db.touched_or_deleted.get(height)
-            touched_claims.update(touched_or_deleted.touched_claims)
-            deleted_claims.update(touched_or_deleted.deleted_claims)
-            touched_claims.difference_update(deleted_claims)
-
-        for deleted in deleted_claims:
-            yield {
-                '_index': index_name,
-                '_op_type': 'delete',
-                '_id': deleted.hex()
-            }
-        for touched in touched_claims:
-            claim = db.claim_producer(touched)
-            if claim:
-                yield {
-                    'doc': {key: value for key, value in claim.items() if key in ALL_FIELDS},
-                    '_id': claim['claim_id'],
-                    '_index': index_name,
-                    '_op_type': 'update',
-                    'doc_as_upsert': True
-                }
-                cnt += 1
-            else:
-                logging.warning("could not sync claim %s", touched.hex())
-            if cnt % 10000 == 0:
-                logging.info("%i claims sent to ES", cnt)
-
-        db.es_sync_height = db.db_height
-        db.write_db_state()
-        db.prefix_db.unsafe_commit()
-        db.assert_db_state()
-
-        logging.info("finished sending %i claims to ES, deleted %i", cnt, len(deleted_claims))
-    finally:
-        if need_open:
-            db.close()
-
-
-async def get_all_claims(env, index_name='claims', db=None):
-    need_open = db is None
-    db = db or LevelDB(env)
-    if need_open:
-        db.open_db()
-        await db.initialize_caches()
-    logging.info("Fetching claims to send ES from leveldb")
-    try:
-        cnt = 0
-        async for claim in db.all_claims_producer():
-            yield {
-                'doc': {key: value for key, value in claim.items() if key in ALL_FIELDS},
-                '_id': claim['claim_id'],
-                '_index': index_name,
-                '_op_type': 'update',
-                'doc_as_upsert': True
-            }
-            cnt += 1
-            if cnt % 10000 == 0:
-                logging.info("sent %i claims to ES", cnt)
-    finally:
-        if need_open:
-            db.close()
-
-
-async def make_es_index_and_run_sync(env: Env, clients=32, force=False, db=None, index_name='claims'):
-    index = SearchIndex(env.es_index_prefix, elastic_host=env.elastic_host, elastic_port=env.elastic_port)
-    logging.info("ES sync host: %s:%i", env.elastic_host, env.elastic_port)
-    try:
-        created = await index.start()
-    except IndexVersionMismatch as err:
-        logging.info(
-            "dropping ES search index (version %s) for upgrade to version %s", err.got_version, err.expected_version
-        )
-        await index.delete_index()
-        await index.stop()
-        created = await index.start()
-    finally:
-        index.stop()
-
-    es = AsyncElasticsearch([{'host': env.elastic_host, 'port': env.elastic_port}])
-    if force or created:
-        claim_generator = get_all_claims(env, index_name=index_name, db=db)
-    else:
-        claim_generator = get_recent_claims(env, index_name=index_name, db=db)
-    try:
-        async for ok, item in async_streaming_bulk(es, claim_generator, request_timeout=600, raise_on_error=False):
-            if not ok:
-                logging.warning("indexing failed for an item: %s", item)
-        await es.indices.refresh(index=index_name)
-    finally:
-        await es.close()
-
-
-def run_elastic_sync():
-    logging.basicConfig(level=logging.INFO)
-    logging.getLogger('aiohttp').setLevel(logging.WARNING)
-    logging.getLogger('elasticsearch').setLevel(logging.WARNING)
-
-    logging.info('lbry.server starting')
-    parser = argparse.ArgumentParser(prog="lbry-hub-elastic-sync")
-    parser.add_argument("-c", "--clients", type=int, default=32)
-    parser.add_argument("-f", "--force", default=False, action='store_true')
-    Env.contribute_to_arg_parser(parser)
-    args = parser.parse_args()
-    env = Env.from_arg_parser(args)
-
-    if not os.path.exists(os.path.join(args.db_dir, 'lbry-leveldb')):
-        logging.info("DB path doesnt exist, nothing to sync to ES")
-        return
-
-    asyncio.run(make_es_index_and_run_sync(env, clients=args.clients, force=args.force))

lbry/wallet/server/db/revertable.py

@@ -1,175 +0,0 @@
-import struct
-import logging
-from string import printable
-from collections import defaultdict
-from typing import Tuple, Iterable, Callable, Optional
-from lbry.wallet.server.db import DB_PREFIXES
-
-_OP_STRUCT = struct.Struct('>BLL')
-log = logging.getLogger()
-
-
-class RevertableOp:
-    __slots__ = [
-        'key',
-        'value',
-    ]
-    is_put = 0
-
-    def __init__(self, key: bytes, value: bytes):
-        self.key = key
-        self.value = value
-
-    @property
-    def is_delete(self) -> bool:
-        return not self.is_put
-
-    def invert(self) -> 'RevertableOp':
-        raise NotImplementedError()
-
-    def pack(self) -> bytes:
-        """
-        Serialize to bytes
-        """
-        return struct.pack(
-            f'>BLL{len(self.key)}s{len(self.value)}s', int(self.is_put), len(self.key), len(self.value), self.key,
-            self.value
-        )
-
-    @classmethod
-    def unpack(cls, packed: bytes) -> Tuple['RevertableOp', bytes]:
-        """
-        Deserialize from bytes
-
-        :param packed: bytes containing at least one packed revertable op
-        :return: tuple of the deserialized op (a put or a delete) and the remaining serialized bytes
-        """
-        is_put, key_len, val_len = _OP_STRUCT.unpack(packed[:9])
-        key = packed[9:9 + key_len]
-        value = packed[9 + key_len:9 + key_len + val_len]
-        if is_put == 1:
-            return RevertablePut(key, value), packed[9 + key_len + val_len:]
-        return RevertableDelete(key, value), packed[9 + key_len + val_len:]
-
-    def __eq__(self, other: 'RevertableOp') -> bool:
-        return (self.is_put, self.key, self.value) == (other.is_put, other.key, other.value)
-
-    def __repr__(self) -> str:
-        return str(self)
-
-    def __str__(self) -> str:
-        from lbry.wallet.server.db.prefixes import auto_decode_item
-        k, v = auto_decode_item(self.key, self.value)
-        key = ''.join(c if c in printable else '.' for c in str(k))
-        val = ''.join(c if c in printable else '.' for c in str(v))
-        return f"{'PUT' if self.is_put else 'DELETE'} {DB_PREFIXES(self.key[:1]).name}: {key} | {val}"
-
-
-class RevertableDelete(RevertableOp):
-    def invert(self):
-        return RevertablePut(self.key, self.value)
-
-
-class RevertablePut(RevertableOp):
-    is_put = True
-
-    def invert(self):
-        return RevertableDelete(self.key, self.value)
-
-
-class OpStackIntegrity(Exception):
-    pass
-
-
-class RevertableOpStack:
-    def __init__(self, get_fn: Callable[[bytes], Optional[bytes]], unsafe_prefixes=None):
-        """
-        This represents a sequence of revertable puts and deletes to a key-value database that checks for integrity
-        violations when applying the puts and deletes. The integrity checks assure that keys that do not exist
-        are not deleted, and that when keys are deleted the current value is correctly known so that the delete
-        may be undone. When putting values, the integrity checks assure that existing values are not overwritten
-        without first being deleted. Updates are performed by applying a delete op for the old value and a put op
-        for the new value.
-
-        :param get_fn: getter function from an object implementing `KeyValueStorage`
-        :param unsafe_prefixes: optional set of prefixes to ignore integrity errors for, violations are still logged
-        """
-        self._get = get_fn
-        self._items = defaultdict(list)
-        self._unsafe_prefixes = unsafe_prefixes or set()
-
-    def append_op(self, op: RevertableOp):
-        """
-        Apply a put or delete op, checking that it introduces no integrity errors
-        """
-
-        inverted = op.invert()
-        if self._items[op.key] and inverted == self._items[op.key][-1]:
-            self._items[op.key].pop()  # if the new op is the inverse of the last op, we can safely null both
-            return
-        elif self._items[op.key] and self._items[op.key][-1] == op:  # duplicate of last op
-            return  # raise an error?
-        stored_val = self._get(op.key)
-        has_stored_val = stored_val is not None
-        delete_stored_op = None if not has_stored_val else RevertableDelete(op.key, stored_val)
-        will_delete_existing_stored = False if delete_stored_op is None else (delete_stored_op in self._items[op.key])
-        try:
-            if op.is_put and has_stored_val and not will_delete_existing_stored:
-                raise OpStackIntegrity(
-                    f"db op tries to add on top of existing key without deleting first: {op}"
-                )
-            elif op.is_delete and has_stored_val and stored_val != op.value and not will_delete_existing_stored:
-                # there is a value and we're not deleting it in this op
-                # check that a delete for the stored value is in the stack
-                raise OpStackIntegrity(f"db op tries to delete with incorrect existing value {op}")
-            elif op.is_delete and not has_stored_val:
-                raise OpStackIntegrity(f"db op tries to delete nonexistent key: {op}")
-            elif op.is_delete and stored_val != op.value:
-                raise OpStackIntegrity(f"db op tries to delete with incorrect value: {op}")
-        except OpStackIntegrity as err:
-            if op.key[:1] in self._unsafe_prefixes:
-                log.debug(f"skipping over integrity error: {err}")
-            else:
-                raise err
-        self._items[op.key].append(op)
-
-    def extend_ops(self, ops: Iterable[RevertableOp]):
-        """
-        Apply a sequence of put or delete ops, checking that they introduce no integrity errors
-        """
-        for op in ops:
-            self.append_op(op)
-
-    def clear(self):
-        self._items.clear()
-
-    def __len__(self):
-        return sum(map(len, self._items.values()))
-
-    def __iter__(self):
-        for key, ops in self._items.items():
-            for op in ops:
-                yield op
-
-    def __reversed__(self):
-        for key, ops in self._items.items():
-            for op in reversed(ops):
-                yield op
-
-    def get_undo_ops(self) -> bytes:
-        """
-        Get the serialized bytes to undo all of the changes made by the pending ops
-        """
-        return b''.join(op.invert().pack() for op in reversed(self))
-
-    def apply_packed_undo_ops(self, packed: bytes):
-        """
-        Unpack and apply a sequence of undo ops from serialized undo bytes
-        """
-        while packed:
-            op, packed = RevertableOp.unpack(packed)
-            self.append_op(op)
-
-    def get_last_op_for_key(self, key: bytes) -> Optional[RevertableOp]:
-        if key in self._items and self._items[key]:
-            return self._items[key][-1]

lbry/wallet/server/env.py

@@ -1,384 +0,0 @@
-# Copyright (c) 2016, Neil Booth
-#
-# All rights reserved.
-#
-# See the file "LICENCE" for information about the copyright
-# and warranty status of this software.
-
-import math
-import re
-import resource
-from os import environ
-from collections import namedtuple
-from ipaddress import ip_address
-
-from lbry.wallet.server.util import class_logger
-from lbry.wallet.server.coin import Coin, LBC, LBCTestNet, LBCRegTest
-import lbry.wallet.server.util as lib_util
-
-
-NetIdentity = namedtuple('NetIdentity', 'host tcp_port ssl_port nick_suffix')
-
-
-class Env:
-
-    # Peer discovery
-    PD_OFF, PD_SELF, PD_ON = range(3)
-
-    class Error(Exception):
-        pass
-
-    def __init__(self, coin=None, db_dir=None, daemon_url=None, host=None, rpc_host=None, elastic_host=None,
-                 elastic_port=None, loop_policy=None, max_query_workers=None, websocket_host=None, websocket_port=None,
-                 chain=None, es_index_prefix=None, es_mode=None, cache_MB=None, reorg_limit=None, tcp_port=None,
-                 udp_port=None, ssl_port=None, ssl_certfile=None, ssl_keyfile=None, rpc_port=None,
-                 prometheus_port=None, max_subscriptions=None, banner_file=None, anon_logs=None, log_sessions=None,
-                 allow_lan_udp=None, cache_all_tx_hashes=None, cache_all_claim_txos=None, country=None,
-                 payment_address=None, donation_address=None, max_send=None, max_receive=None, max_sessions=None,
-                 session_timeout=None, drop_client=None, description=None, daily_fee=None,
-                 database_query_timeout=None, db_max_open_files=512):
-        self.logger = class_logger(__name__, self.__class__.__name__)
-
-        self.db_dir = db_dir if db_dir is not None else self.required('DB_DIRECTORY')
-        self.daemon_url = daemon_url if daemon_url is not None else self.required('DAEMON_URL')
-        self.db_max_open_files = db_max_open_files
-
-        self.host = host if host is not None else self.default('HOST', 'localhost')
-        self.rpc_host = rpc_host if rpc_host is not None else self.default('RPC_HOST', 'localhost')
-        self.elastic_host = elastic_host if elastic_host is not None else self.default('ELASTIC_HOST', 'localhost')
-        self.elastic_port = elastic_port if elastic_port is not None else self.integer('ELASTIC_PORT', 9200)
-        self.loop_policy = self.set_event_loop_policy(
-            loop_policy if loop_policy is not None else self.default('EVENT_LOOP_POLICY', None)
-        )
-        self.obsolete(['UTXO_MB', 'HIST_MB', 'NETWORK'])
-        self.max_query_workers = max_query_workers if max_query_workers is not None else self.integer('MAX_QUERY_WORKERS', 4)
-        self.websocket_host = websocket_host if websocket_host is not None else self.default('WEBSOCKET_HOST', self.host)
-        self.websocket_port = websocket_port if websocket_port is not None else self.integer('WEBSOCKET_PORT', None)
-        if coin is not None:
-            assert issubclass(coin, Coin)
-            self.coin = coin
-        else:
-            chain = chain if chain is not None else self.default('NET', 'mainnet').strip().lower()
-            if chain == 'mainnet':
-                self.coin = LBC
-            elif chain == 'testnet':
-                self.coin = LBCTestNet
-            else:
-                self.coin = LBCRegTest
-        self.es_index_prefix = es_index_prefix if es_index_prefix is not None else self.default('ES_INDEX_PREFIX', '')
-        self.es_mode = es_mode if es_mode is not None else self.default('ES_MODE', 'writer')
-        self.cache_MB = cache_MB if cache_MB is not None else self.integer('CACHE_MB', 1024)
-        self.reorg_limit = reorg_limit if reorg_limit is not None else self.integer('REORG_LIMIT', self.coin.REORG_LIMIT)
-        # Server stuff
-        self.tcp_port = tcp_port if tcp_port is not None else self.integer('TCP_PORT', None)
-        self.udp_port = udp_port if udp_port is not None else self.integer('UDP_PORT', self.tcp_port)
-        self.ssl_port = ssl_port if ssl_port is not None else self.integer('SSL_PORT', None)
-        if self.ssl_port:
-            self.ssl_certfile = ssl_certfile if ssl_certfile is not None else self.required('SSL_CERTFILE')
-            self.ssl_keyfile = ssl_keyfile if ssl_keyfile is not None else self.required('SSL_KEYFILE')
-        self.rpc_port = rpc_port if rpc_port is not None else self.integer('RPC_PORT', 8000)
-        self.prometheus_port = prometheus_port if prometheus_port is not None else self.integer('PROMETHEUS_PORT', 0)
-        self.max_subscriptions = max_subscriptions if max_subscriptions is not None else self.integer('MAX_SUBSCRIPTIONS', 10000)
-        self.banner_file = banner_file if banner_file is not None else self.default('BANNER_FILE', None)
-        # self.tor_banner_file = self.default('TOR_BANNER_FILE', self.banner_file)
-        self.anon_logs = anon_logs if anon_logs is not None else self.boolean('ANON_LOGS', False)
-        self.log_sessions = log_sessions if log_sessions is not None else self.integer('LOG_SESSIONS', 3600)
-        self.allow_lan_udp = allow_lan_udp if allow_lan_udp is not None else self.boolean('ALLOW_LAN_UDP', False)
-        self.cache_all_tx_hashes = cache_all_tx_hashes if cache_all_tx_hashes is not None else self.boolean('CACHE_ALL_TX_HASHES', False)
-        self.cache_all_claim_txos = cache_all_claim_txos if cache_all_claim_txos is not None else self.boolean('CACHE_ALL_CLAIM_TXOS', False)
-        self.country = country if country is not None else self.default('COUNTRY', 'US')
-        # Peer discovery
-        self.peer_discovery = self.peer_discovery_enum()
-        self.peer_announce = self.boolean('PEER_ANNOUNCE', True)
-        self.peer_hubs = self.extract_peer_hubs()
-        # self.tor_proxy_host = self.default('TOR_PROXY_HOST', 'localhost')
-        # self.tor_proxy_port = self.integer('TOR_PROXY_PORT', None)
-        # The electrum client takes the empty string as unspecified
-        self.payment_address = payment_address if payment_address is not None else self.default('PAYMENT_ADDRESS', '')
-        self.donation_address = donation_address if donation_address is not None else self.default('DONATION_ADDRESS', '')
-        # Server limits to help prevent DoS
-        self.max_send = max_send if max_send is not None else self.integer('MAX_SEND', 1000000)
-        self.max_receive = max_receive if max_receive is not None else self.integer('MAX_RECEIVE', 1000000)
-        # self.max_subs = self.integer('MAX_SUBS', 250000)
-        self.max_sessions = max_sessions if max_sessions is not None else self.sane_max_sessions()
-        # self.max_session_subs = self.integer('MAX_SESSION_SUBS', 50000)
-        self.session_timeout = session_timeout if session_timeout is not None else self.integer('SESSION_TIMEOUT', 600)
-        self.drop_client = drop_client if drop_client is not None else self.custom("DROP_CLIENT", None, re.compile)
-        self.description = description if description is not None else self.default('DESCRIPTION', '')
-        self.daily_fee = daily_fee if daily_fee is not None else self.string_amount('DAILY_FEE', '0')
-
-        # Identities
-        clearnet_identity = self.clearnet_identity()
-        tor_identity = self.tor_identity(clearnet_identity)
-        self.identities = [identity
-                           for identity in (clearnet_identity, tor_identity)
-                           if identity is not None]
-        self.database_query_timeout = database_query_timeout if database_query_timeout is not None else \
-            (float(self.integer('QUERY_TIMEOUT_MS', 10000)) / 1000.0)
-
-    @classmethod
-    def default(cls, envvar, default):
-        return environ.get(envvar, default)
-
-    @classmethod
-    def boolean(cls, envvar, default):
-        default = 'Yes' if default else ''
-        return bool(cls.default(envvar, default).strip())
-
-    @classmethod
-    def required(cls, envvar):
-        value = environ.get(envvar)
-        if value is None:
-            raise cls.Error(f'required envvar {envvar} not set')
-        return value
-
-    @classmethod
-    def string_amount(cls, envvar, default):
-        value = environ.get(envvar, default)
-        amount_pattern = re.compile("[0-9]{0,10}(\.[0-9]{1,8})?")
-        if len(value) > 0 and not amount_pattern.fullmatch(value):
-            raise cls.Error(f'{value} is not a valid amount for {envvar}')
-        return value
-
-    @classmethod
-    def integer(cls, envvar, default):
-        value = environ.get(envvar)
-        if value is None:
-            return default
-        try:
-            return int(value)
-        except Exception:
-            raise cls.Error(f'cannot convert envvar {envvar} value {value} to an integer')
-
-    @classmethod
-    def custom(cls, envvar, default, parse):
-        value = environ.get(envvar)
-        if value is None:
-            return default
-        try:
-            return parse(value)
-        except Exception as e:
-            raise cls.Error(f'cannot parse envvar {envvar} value {value}') from e
-
-    @classmethod
-    def obsolete(cls, envvars):
-        bad = [envvar for envvar in envvars if environ.get(envvar)]
-        if bad:
-            raise cls.Error(f'remove obsolete environment variables {bad}')
-
-    @classmethod
-    def set_event_loop_policy(cls, policy_name: str = None):
-        if not policy_name or policy_name == 'default':
-            import asyncio
-            return asyncio.get_event_loop_policy()
-        elif policy_name == 'uvloop':
-            import uvloop
-            import asyncio
-            loop_policy = uvloop.EventLoopPolicy()
-            asyncio.set_event_loop_policy(loop_policy)
-            return loop_policy
-        raise cls.Error(f'unknown event loop policy "{policy_name}"')
-
-    def cs_host(self, *, for_rpc):
-        """Returns the 'host' argument to pass to asyncio's create_server
-        call.  The result can be a single host name string, a list of
-        host name strings, or an empty string to bind to all interfaces.
-
-        If rpc is True the host to use for the RPC server is returned.
-        Otherwise the host to use for SSL/TCP servers is returned.
-        """
-        host = self.rpc_host if for_rpc else self.host
-        result = [part.strip() for part in host.split(',')]
-        if len(result) == 1:
-            result = result[0]
-        # An empty result indicates all interfaces, which we do not
-        # permitted for an RPC server.
-        if for_rpc and not result:
-            result = 'localhost'
-        if result == 'localhost':
-            # 'localhost' resolves to ::1 (ipv6) on many systems, which fails on default setup of
-            # docker, using 127.0.0.1 instead forces ipv4
-            result = '127.0.0.1'
-        return result
-
-    def sane_max_sessions(self):
-        """Return the maximum number of sessions to permit.  Normally this
-        is MAX_SESSIONS.  However, to prevent open file exhaustion, ajdust
-        downwards if running with a small open file rlimit."""
-        env_value = self.integer('MAX_SESSIONS', 1000)
-        nofile_limit = resource.getrlimit(resource.RLIMIT_NOFILE)[0]
-        # We give the DB 250 files; allow ElectrumX 100 for itself
-        value = max(0, min(env_value, nofile_limit - 350))
-        if value < env_value:
-            self.logger.warning(f'lowered maximum sessions from {env_value:,d} to {value:,d} '
-                                f'because your open file limit is {nofile_limit:,d}')
-        return value
-
-    def clearnet_identity(self):
-        host = self.default('REPORT_HOST', None)
-        if host is None:
-            return None
-        try:
-            ip = ip_address(host)
-        except ValueError:
-            bad = (not lib_util.is_valid_hostname(host)
-                   or host.lower() == 'localhost')
-        else:
-            bad = (ip.is_multicast or ip.is_unspecified
-                   or (ip.is_private and self.peer_announce))
-        if bad:
-            raise self.Error(f'"{host}" is not a valid REPORT_HOST')
-        tcp_port = self.integer('REPORT_TCP_PORT', self.tcp_port) or None
-        ssl_port = self.integer('REPORT_SSL_PORT', self.ssl_port) or None
-        if tcp_port == ssl_port:
-            raise self.Error('REPORT_TCP_PORT and REPORT_SSL_PORT '
-                             f'both resolve to {tcp_port}')
-        return NetIdentity(
-            host,
-            tcp_port,
-            ssl_port,
-            ''
-        )
-
-    def tor_identity(self, clearnet):
-        host = self.default('REPORT_HOST_TOR', None)
-        if host is None:
-            return None
-        if not host.endswith('.onion'):
-            raise self.Error(f'tor host "{host}" must end with ".onion"')
-
-        def port(port_kind):
-            """Returns the clearnet identity port, if any and not zero,
-            otherwise the listening port."""
-            result = 0
-            if clearnet:
-                result = getattr(clearnet, port_kind)
-            return result or getattr(self, port_kind)
-
-        tcp_port = self.integer('REPORT_TCP_PORT_TOR',
-                                port('tcp_port')) or None
-        ssl_port = self.integer('REPORT_SSL_PORT_TOR',
-                                port('ssl_port')) or None
-        if tcp_port == ssl_port:
-            raise self.Error('REPORT_TCP_PORT_TOR and REPORT_SSL_PORT_TOR '
-                             f'both resolve to {tcp_port}')
-
-        return NetIdentity(
-            host,
-            tcp_port,
-            ssl_port,
-            '_tor',
-        )
-
-    def hosts_dict(self):
-        return {identity.host: {'tcp_port': identity.tcp_port,
-                                'ssl_port': identity.ssl_port}
-                for identity in self.identities}
-
-    def peer_discovery_enum(self):
-        pd = self.default('PEER_DISCOVERY', 'on').strip().lower()
-        if pd in ('off', ''):
-            return self.PD_OFF
-        elif pd == 'self':
-            return self.PD_SELF
-        else:
-            return self.PD_ON
-
-    def extract_peer_hubs(self):
-        return [hub.strip() for hub in self.default('PEER_HUBS', '').split(',') if hub.strip()]
-
-    @classmethod
-    def contribute_to_arg_parser(cls, parser):
-        parser.add_argument('--db_dir', type=str, help='path of the directory containing lbry-leveldb',
-                            default=cls.default('DB_DIRECTORY', None))
-        parser.add_argument('--daemon_url',
-                            help='URL for rpc from lbrycrd, <rpcuser>:<rpcpassword>@<lbrycrd rpc ip><lbrycrd rpc port>',
-                            default=cls.default('DAEMON_URL', None))
-        parser.add_argument('--db_max_open_files', type=int, default=512,
-                            help='number of files leveldb can have open at a time')
-        parser.add_argument('--host', type=str, default=cls.default('HOST', 'localhost'),
-                            help='Interface for hub server to listen on')
-        parser.add_argument('--tcp_port', type=int, default=cls.integer('TCP_PORT', 50001),
-                            help='TCP port to listen on for hub server')
-        parser.add_argument('--udp_port', type=int, default=cls.integer('UDP_PORT', 50001),
-                            help='UDP port to listen on for hub server')
-        parser.add_argument('--rpc_host', default=cls.default('RPC_HOST', 'localhost'), type=str,
-                            help='Listening interface for admin rpc')
-        parser.add_argument('--rpc_port', default=cls.integer('RPC_PORT', 8000), type=int,
-                            help='Listening port for admin rpc')
-        parser.add_argument('--websocket_host', default=cls.default('WEBSOCKET_HOST', 'localhost'), type=str,
-                            help='Listening interface for websocket')
-        parser.add_argument('--websocket_port', default=cls.integer('WEBSOCKET_PORT', None), type=int,
-                            help='Listening port for websocket')
-
-        parser.add_argument('--ssl_port', default=cls.integer('SSL_PORT', None), type=int,
-                            help='SSL port to listen on for hub server')
-        parser.add_argument('--ssl_certfile', default=cls.default('SSL_CERTFILE', None), type=str,
-                            help='Path to SSL cert file')
-        parser.add_argument('--ssl_keyfile', default=cls.default('SSL_KEYFILE', None), type=str,
-                            help='Path to SSL key file')
-        parser.add_argument('--reorg_limit', default=cls.integer('REORG_LIMIT', 200), type=int, help='Max reorg depth')
-        parser.add_argument('--elastic_host', default=cls.default('ELASTIC_HOST', 'localhost'), type=str,
-                            help='elasticsearch host')
-        parser.add_argument('--elastic_port', default=cls.integer('ELASTIC_PORT', 9200), type=int,
-                            help='elasticsearch port')
-        parser.add_argument('--es_mode', default=cls.default('ES_MODE', 'writer'), type=str,
-                            choices=['reader', 'writer'])
-        parser.add_argument('--es_index_prefix', default=cls.default('ES_INDEX_PREFIX', ''), type=str)
-        parser.add_argument('--loop_policy', default=cls.default('EVENT_LOOP_POLICY', 'default'), type=str,
-                            choices=['default', 'uvloop'])
-        parser.add_argument('--max_query_workers', type=int, default=cls.integer('MAX_QUERY_WORKERS', 4),
-                            help='number of threads used by the request handler to read the database')
-        parser.add_argument('--cache_MB', type=int, default=cls.integer('CACHE_MB', 1024),
-                            help='size of the leveldb lru cache, in megabytes')
-        parser.add_argument('--cache_all_tx_hashes', type=bool,
-                            help='Load all tx hashes into memory. This will make address subscriptions and sync, '
-                                 'resolve, transaction fetching, and block sync all faster at the expense of higher '
-                                 'memory usage')
-        parser.add_argument('--cache_all_claim_txos', type=bool,
-                            help='Load all claim txos into memory. This will make address subscriptions and sync, '
-                                 'resolve, transaction fetching, and block sync all faster at the expense of higher '
-                                 'memory usage')
-        parser.add_argument('--prometheus_port', type=int, default=cls.integer('PROMETHEUS_PORT', 0),
-                            help='port for hub prometheus metrics to listen on, disabled by default')
-        parser.add_argument('--max_subscriptions', type=int, default=cls.integer('MAX_SUBSCRIPTIONS', 10000),
-                            help='max subscriptions per connection')
-        parser.add_argument('--banner_file', type=str, default=cls.default('BANNER_FILE', None),
-                            help='path to file containing banner text')
-        parser.add_argument('--anon_logs', type=bool, default=cls.boolean('ANON_LOGS', False),
-                            help="don't log ip addresses")
-        parser.add_argument('--allow_lan_udp', type=bool, default=cls.boolean('ALLOW_LAN_UDP', False),
-                            help='reply to hub UDP ping messages from LAN ip addresses')
-        parser.add_argument('--country', type=str, default=cls.default('COUNTRY', 'US'), help='')
-        parser.add_argument('--max_send', type=int, default=cls.default('MAX_SEND', 1000000), help='')
-        parser.add_argument('--max_receive', type=int, default=cls.default('MAX_RECEIVE', 1000000), help='')
-        parser.add_argument('--max_sessions', type=int, default=cls.default('MAX_SESSIONS', 1000), help='')
-        parser.add_argument('--session_timeout', type=int, default=cls.default('SESSION_TIMEOUT', 600), help='')
-        parser.add_argument('--drop_client', type=str, default=cls.default('DROP_CLIENT', None), help='')
-        parser.add_argument('--description', type=str, default=cls.default('DESCRIPTION', ''), help='')
-        parser.add_argument('--daily_fee', type=float, default=cls.default('DAILY_FEE', 0.0), help='')
-        parser.add_argument('--payment_address', type=str, default=cls.default('PAYMENT_ADDRESS', ''), help='')
-        parser.add_argument('--donation_address', type=str, default=cls.default('DONATION_ADDRESS', ''), help='')
-        parser.add_argument('--chain', type=str, default=cls.default('NET', 'mainnet'),
-                            help="Which chain to use, default is mainnet")
-        parser.add_argument('--query_timeout_ms', type=int, default=cls.integer('QUERY_TIMEOUT_MS', 10000),
-                            help="elasticsearch query timeout")
-
-    @classmethod
-    def from_arg_parser(cls, args):
-        return cls(
-            db_dir=args.db_dir, daemon_url=args.daemon_url, db_max_open_files=args.db_max_open_files,
-            host=args.host, rpc_host=args.rpc_host, elastic_host=args.elastic_host, elastic_port=args.elastic_port,
-            loop_policy=args.loop_policy, max_query_workers=args.max_query_workers, websocket_host=args.websocket_host,
-            websocket_port=args.websocket_port, chain=args.chain, es_index_prefix=args.es_index_prefix,
-            es_mode=args.es_mode, cache_MB=args.cache_MB, reorg_limit=args.reorg_limit, tcp_port=args.tcp_port,
-            udp_port=args.udp_port, ssl_port=args.ssl_port, ssl_certfile=args.ssl_certfile,
-            ssl_keyfile=args.ssl_keyfile, rpc_port=args.rpc_port, prometheus_port=args.prometheus_port,
-            max_subscriptions=args.max_subscriptions, banner_file=args.banner_file, anon_logs=args.anon_logs,
-            log_sessions=None, allow_lan_udp=args.allow_lan_udp,
-            cache_all_tx_hashes=args.cache_all_tx_hashes, cache_all_claim_txos=args.cache_all_claim_txos,
-            country=args.country, payment_address=args.payment_address, donation_address=args.donation_address,
-            max_send=args.max_send, max_receive=args.max_receive, max_sessions=args.max_sessions,
-            session_timeout=args.session_timeout, drop_client=args.drop_client, description=args.description,
-            daily_fee=args.daily_fee, database_query_timeout=(args.query_timeout_ms / 1000)
-        )

lbry/wallet/server/hash.py

@@ -1,160 +0,0 @@
-# Copyright (c) 2016-2017, Neil Booth
-#
-# All rights reserved.
-#
-# The MIT License (MIT)
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-"""Cryptograph hash functions and related classes."""
-
-
-import hashlib
-import hmac
-
-from lbry.wallet.server.util import bytes_to_int, int_to_bytes, hex_to_bytes
-
-_sha256 = hashlib.sha256
-_sha512 = hashlib.sha512
-_new_hash = hashlib.new
-_new_hmac = hmac.new
-HASHX_LEN = 11
-CLAIM_HASH_LEN = 20
-
-
-def sha256(x):
-    """Simple wrapper of hashlib sha256."""
-    return _sha256(x).digest()
-
-
-def ripemd160(x):
-    """Simple wrapper of hashlib ripemd160."""
-    h = _new_hash('ripemd160')
-    h.update(x)
-    return h.digest()
-
-
-def double_sha256(x):
-    """SHA-256 of SHA-256, as used extensively in bitcoin."""
-    return sha256(sha256(x))
-
-
-def hmac_sha512(key, msg):
-    """Use SHA-512 to provide an HMAC."""
-    return _new_hmac(key, msg, _sha512).digest()
-
-
-def hash160(x):
-    """RIPEMD-160 of SHA-256.
-
-    Used to make bitcoin addresses from pubkeys."""
-    return ripemd160(sha256(x))
-
-
-def hash_to_hex_str(x: bytes) -> str:
-    """Convert a big-endian binary hash to displayed hex string.
-
-    Display form of a binary hash is reversed and converted to hex.
-    """
-    return x[::-1].hex()
-
-
-def hex_str_to_hash(x: str) -> bytes:
-    """Convert a displayed hex string to a binary hash."""
-    return hex_to_bytes(x)[::-1]
-
-
-class Base58Error(Exception):
-    """Exception used for Base58 errors."""
-
-
-class Base58:
-    """Class providing base 58 functionality."""
-
-    chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
-    assert len(chars) == 58
-    cmap = {c: n for n, c in enumerate(chars)}
-
-    @staticmethod
-    def char_value(c):
-        val = Base58.cmap.get(c)
-        if val is None:
-            raise Base58Error(f'invalid base 58 character "{c}"')
-        return val
-
-    @staticmethod
-    def decode(txt):
-        """Decodes txt into a big-endian bytearray."""
-        if not isinstance(txt, str):
-            raise TypeError('a string is required')
-
-        if not txt:
-            raise Base58Error('string cannot be empty')
-
-        value = 0
-        for c in txt:
-            value = value * 58 + Base58.char_value(c)
-
-        result = int_to_bytes(value)
-
-        # Prepend leading zero bytes if necessary
-        count = 0
-        for c in txt:
-            if c != '1':
-                break
-            count += 1
-        if count:
-            result = bytes(count) + result
-
-        return result
-
-    @staticmethod
-    def encode(be_bytes):
-        """Converts a big-endian bytearray into a base58 string."""
-        value = bytes_to_int(be_bytes)
-
-        txt = ''
-        while value:
-            value, mod = divmod(value, 58)
-            txt += Base58.chars[mod]
-
-        for byte in be_bytes:
-            if byte != 0:
-                break
-            txt += '1'
-
-        return txt[::-1]
-
-    @staticmethod
-    def decode_check(txt, *, hash_fn=double_sha256):
-        """Decodes a Base58Check-encoded string to a payload.  The version
-        prefixes it."""
-        be_bytes = Base58.decode(txt)
-        result, check = be_bytes[:-4], be_bytes[-4:]
-        if check != hash_fn(result)[:4]:
-            raise Base58Error(f'invalid base 58 checksum for {txt}')
-        return result
-
-    @staticmethod
-    def encode_check(payload, *, hash_fn=double_sha256):
-        """Encodes a payload bytearray (which includes the version byte(s))
-        into a Base58Check string."""
-        be_bytes = payload + hash_fn(payload)[:4]
-        return Base58.encode(be_bytes)

lbry/wallet/server/mempool.py

@@ -1,361 +0,0 @@
-# Copyright (c) 2016-2018, Neil Booth
-#
-# All rights reserved.
-#
-# See the file "LICENCE" for information about the copyright
-# and warranty status of this software.
-
-"""Mempool handling."""
-import asyncio
-import itertools
-import time
-import attr
-import typing
-from typing import Set, Optional, Callable, Awaitable
-from collections import defaultdict
-from prometheus_client import Histogram
-from lbry.wallet.server.hash import hash_to_hex_str, hex_str_to_hash
-from lbry.wallet.server.util import class_logger, chunks
-from lbry.wallet.server.leveldb import UTXO
-if typing.TYPE_CHECKING:
-    from lbry.wallet.server.session import LBRYSessionManager
-
-
-@attr.s(slots=True)
-class MemPoolTx:
-    prevouts = attr.ib()
-    # A pair is a (hashX, value) tuple
-    in_pairs = attr.ib()
-    out_pairs = attr.ib()
-    fee = attr.ib()
-    size = attr.ib()
-    raw_tx = attr.ib()
-
-
-@attr.s(slots=True)
-class MemPoolTxSummary:
-    hash = attr.ib()
-    fee = attr.ib()
-    has_unconfirmed_inputs = attr.ib()
-
-
-NAMESPACE = "wallet_server"
-HISTOGRAM_BUCKETS = (
-    .005, .01, .025, .05, .075, .1, .25, .5, .75, 1.0, 2.5, 5.0, 7.5, 10.0, 15.0, 20.0, 30.0, 60.0, float('inf')
-)
-mempool_process_time_metric = Histogram(
-    "processed_mempool", "Time to process mempool and notify touched addresses",
-    namespace=NAMESPACE, buckets=HISTOGRAM_BUCKETS
-)
-
-
-class MemPool:
-    def __init__(self, coin, daemon, db, state_lock: asyncio.Lock, refresh_secs=1.0, log_status_secs=120.0):
-        self.coin = coin
-        self._daemon = daemon
-        self._db = db
-        self._touched_mp = {}
-        self._touched_bp = {}
-        self._highest_block = -1
-
-        self.logger = class_logger(__name__, self.__class__.__name__)
-        self.txs = {}
-        self.hashXs = defaultdict(set)  # None can be a key
-        self.cached_compact_histogram = []
-        self.refresh_secs = refresh_secs
-        self.log_status_secs = log_status_secs
-        # Prevents mempool refreshes during fee histogram calculation
-        self.lock = state_lock
-        self.wakeup = asyncio.Event()
-        self.mempool_process_time_metric = mempool_process_time_metric
-        self.notified_mempool_txs = set()
-        self.notify_sessions: Optional[Callable[[int, Set[bytes], Set[bytes]], Awaitable[None]]] = None
-
-    async def _logging(self, synchronized_event):
-        """Print regular logs of mempool stats."""
-        self.logger.info('beginning processing of daemon mempool.  '
-                         'This can take some time...')
-        start = time.perf_counter()
-        await synchronized_event.wait()
-        elapsed = time.perf_counter() - start
-        self.logger.info(f'synced in {elapsed:.2f}s')
-        while True:
-            self.logger.info(f'{len(self.txs):,d} txs '
-                             f'touching {len(self.hashXs):,d} addresses')
-            await asyncio.sleep(self.log_status_secs)
-            await synchronized_event.wait()
-
-    def _accept_transactions(self, tx_map, utxo_map, touched):
-        """Accept transactions in tx_map to the mempool if all their inputs
-        can be found in the existing mempool or a utxo_map from the
-        DB.
-
-        Returns an (unprocessed tx_map, unspent utxo_map) pair.
-        """
-        hashXs = self.hashXs
-        txs = self.txs
-
-        deferred = {}
-        unspent = set(utxo_map)
-        # Try to find all prevouts so we can accept the TX
-        for hash, tx in tx_map.items():
-            in_pairs = []
-            try:
-                for prevout in tx.prevouts:
-                    utxo = utxo_map.get(prevout)
-                    if not utxo:
-                        prev_hash, prev_index = prevout
-                        # Raises KeyError if prev_hash is not in txs
-                        utxo = txs[prev_hash].out_pairs[prev_index]
-                    in_pairs.append(utxo)
-            except KeyError:
-                deferred[hash] = tx
-                continue
-
-            # Spend the prevouts
-            unspent.difference_update(tx.prevouts)
-
-            # Save the in_pairs, compute the fee and accept the TX
-            tx.in_pairs = tuple(in_pairs)
-            # Avoid negative fees if dealing with generation-like transactions
-            # because some in_parts would be missing
-            tx.fee = max(0, (sum(v for _, v in tx.in_pairs) -
-                             sum(v for _, v in tx.out_pairs)))
-            txs[hash] = tx
-
-            for hashX, value in itertools.chain(tx.in_pairs, tx.out_pairs):
-                touched.add(hashX)
-                hashXs[hashX].add(hash)
-
-        return deferred, {prevout: utxo_map[prevout] for prevout in unspent}
-
-    async def _mempool_loop(self, synchronized_event):
-        try:
-            return await self._refresh_hashes(synchronized_event)
-        except asyncio.CancelledError:
-            raise
-        except Exception as e:
-            self.logger.exception("MEMPOOL DIED")
-            raise e
-
-    async def _refresh_hashes(self, synchronized_event):
-        """Refresh our view of the daemon's mempool."""
-        while True:
-            start = time.perf_counter()
-            height = self._daemon.cached_height()
-            hex_hashes = await self._daemon.mempool_hashes()
-            if height != await self._daemon.height():
-                continue
-            hashes = {hex_str_to_hash(hh) for hh in hex_hashes}
-            async with self.lock:
-                new_hashes = hashes.difference(self.notified_mempool_txs)
-                touched = await self._process_mempool(hashes)
-                self.notified_mempool_txs.update(new_hashes)
-                new_touched = {
-                    touched_hashx for touched_hashx, txs in self.hashXs.items() if txs.intersection(new_hashes)
-                }
-            synchronized_event.set()
-            synchronized_event.clear()
-            await self.on_mempool(touched, new_touched, height)
-            duration = time.perf_counter() - start
-            self.mempool_process_time_metric.observe(duration)
-            try:
-                # we wait up to `refresh_secs` but go early if a broadcast happens (which triggers wakeup event)
-                await asyncio.wait_for(self.wakeup.wait(), timeout=self.refresh_secs)
-            except asyncio.TimeoutError:
-                pass
-            finally:
-                self.wakeup.clear()
-
-    async def _process_mempool(self, all_hashes):
-        # Re-sync with the new set of hashes
-        txs = self.txs
-
-        hashXs = self.hashXs  # hashX: [tx_hash, ...]
-        touched = set()
-
-        # First handle txs that have disappeared
-        for tx_hash in set(txs).difference(all_hashes):
-            tx = txs.pop(tx_hash)
-            tx_hashXs = {hashX for hashX, value in tx.in_pairs}
-            tx_hashXs.update(hashX for hashX, value in tx.out_pairs)
-            for hashX in tx_hashXs:
-                hashXs[hashX].remove(tx_hash)
-                if not hashXs[hashX]:
-                    del hashXs[hashX]
-            touched.update(tx_hashXs)
-
-        # Process new transactions
-        new_hashes = list(all_hashes.difference(txs))
-        if new_hashes:
-            fetches = []
-            for hashes in chunks(new_hashes, 200):
-                fetches.append(self._fetch_and_accept(hashes, all_hashes, touched))
-            tx_map = {}
-            utxo_map = {}
-            for fetch in asyncio.as_completed(fetches):
-                deferred, unspent = await fetch
-                tx_map.update(deferred)
-                utxo_map.update(unspent)
-
-            prior_count = 0
-            # FIXME: this is not particularly efficient
-            while tx_map and len(tx_map) != prior_count:
-                prior_count = len(tx_map)
-                tx_map, utxo_map = self._accept_transactions(tx_map, utxo_map, touched)
-
-            if tx_map:
-                self.logger.info(f'{len(tx_map)} txs dropped')
-
-        return touched
-
-    async def _fetch_and_accept(self, hashes, all_hashes, touched):
-        """Fetch a list of mempool transactions."""
-        raw_txs = await self._daemon.getrawtransactions((hash_to_hex_str(hash) for hash in hashes))
-
-        to_hashX = self.coin.hashX_from_script
-        deserializer = self.coin.DESERIALIZER
-
-        tx_map = {}
-        for hash, raw_tx in zip(hashes, raw_txs):
-            # The daemon may have evicted the tx from its
-            # mempool or it may have gotten in a block
-            if not raw_tx:
-                continue
-            tx, tx_size = deserializer(raw_tx).read_tx_and_vsize()
-            # Convert the inputs and outputs into (hashX, value) pairs
-            # Drop generation-like inputs from MemPoolTx.prevouts
-            txin_pairs = tuple((txin.prev_hash, txin.prev_idx)
-                               for txin in tx.inputs
-                               if not txin.is_generation())
-            txout_pairs = tuple((to_hashX(txout.pk_script), txout.value)
-                                for txout in tx.outputs)
-            tx_map[hash] = MemPoolTx(txin_pairs, None, txout_pairs,
-                                     0, tx_size, raw_tx)
-
-        # Determine all prevouts not in the mempool, and fetch the
-        # UTXO information from the database.  Failed prevout lookups
-        # return None - concurrent database updates happen - which is
-        # relied upon by _accept_transactions. Ignore prevouts that are
-        # generation-like.
-        prevouts = tuple(prevout for tx in tx_map.values()
-                         for prevout in tx.prevouts
-                         if prevout[0] not in all_hashes)
-        utxos = await self._db.lookup_utxos(prevouts)
-        utxo_map = dict(zip(prevouts, utxos))
-
-        return self._accept_transactions(tx_map, utxo_map, touched)
-
-    #
-    # External interface
-    #
-
-    async def keep_synchronized(self, synchronized_event):
-        """Keep the mempool synchronized with the daemon."""
-        await asyncio.wait([
-            self._mempool_loop(synchronized_event),
-            # self._refresh_histogram(synchronized_event),
-            self._logging(synchronized_event)
-        ])
-
-    async def balance_delta(self, hashX):
-        """Return the unconfirmed amount in the mempool for hashX.
-
-        Can be positive or negative.
-        """
-        value = 0
-        if hashX in self.hashXs:
-            for hash in self.hashXs[hashX]:
-                tx = self.txs[hash]
-                value -= sum(v for h168, v in tx.in_pairs if h168 == hashX)
-                value += sum(v for h168, v in tx.out_pairs if h168 == hashX)
-        return value
-
-    def compact_fee_histogram(self):
-        """Return a compact fee histogram of the current mempool."""
-        return self.cached_compact_histogram
-
-    async def potential_spends(self, hashX):
-        """Return a set of (prev_hash, prev_idx) pairs from mempool
-        transactions that touch hashX.
-
-        None, some or all of these may be spends of the hashX, but all
-        actual spends of it (in the DB or mempool) will be included.
-        """
-        result = set()
-        for tx_hash in self.hashXs.get(hashX, ()):
-            tx = self.txs[tx_hash]
-            result.update(tx.prevouts)
-        return result
-
-    def transaction_summaries(self, hashX):
-        """Return a list of MemPoolTxSummary objects for the hashX."""
-        result = []
-        for tx_hash in self.hashXs.get(hashX, ()):
-            tx = self.txs[tx_hash]
-            has_ui = any(hash in self.txs for hash, idx in tx.prevouts)
-            result.append(MemPoolTxSummary(tx_hash, tx.fee, has_ui))
-        return result
-
-    async def unordered_UTXOs(self, hashX):
-        """Return an unordered list of UTXO named tuples from mempool
-        transactions that pay to hashX.
-
-        This does not consider if any other mempool transactions spend
-        the outputs.
-        """
-        utxos = []
-        for tx_hash in self.hashXs.get(hashX, ()):
-            tx = self.txs.get(tx_hash)
-            for pos, (hX, value) in enumerate(tx.out_pairs):
-                if hX == hashX:
-                    utxos.append(UTXO(-1, pos, tx_hash, 0, value))
-        return utxos
-
-    def get_mempool_height(self, tx_hash):
-        # Height Progression
-        #   -2: not broadcast
-        #   -1: in mempool but has unconfirmed inputs
-        #    0: in mempool and all inputs confirmed
-        # +num: confirmed in a specific block (height)
-        if tx_hash not in self.txs:
-            return -2
-        tx = self.txs[tx_hash]
-        unspent_inputs = sum(1 if hash in self.txs else 0 for hash, idx in tx.prevouts)
-        if unspent_inputs:
-            return -1
-        return 0
-
-    async def _maybe_notify(self, new_touched):
-        tmp, tbp = self._touched_mp, self._touched_bp
-        common = set(tmp).intersection(tbp)
-        if common:
-            height = max(common)
-        elif tmp and max(tmp) == self._highest_block:
-            height = self._highest_block
-        else:
-            # Either we are processing a block and waiting for it to
-            # come in, or we have not yet had a mempool update for the
-            # new block height
-            return
-        touched = tmp.pop(height)
-        for old in [h for h in tmp if h <= height]:
-            del tmp[old]
-        for old in [h for h in tbp if h <= height]:
-            touched.update(tbp.pop(old))
-        # print("notify", height, len(touched), len(new_touched))
-        await self.notify_sessions(height, touched, new_touched)
-
-    async def start(self, height, session_manager: 'LBRYSessionManager'):
-        self._highest_block = height
-        self.notify_sessions = session_manager._notify_sessions
-        await self.notify_sessions(height, set(), set())
-
-    async def on_mempool(self, touched, new_touched, height):
-        self._touched_mp[height] = touched
-        await self._maybe_notify(new_touched)
-
-    async def on_block(self, touched, height):
-        self._touched_bp[height] = touched
-        self._highest_block = height
-        await self._maybe_notify(set())

lbry/wallet/server/merkle.py

@@ -1,258 +0,0 @@
-# Copyright (c) 2018, Neil Booth
-#
-# All rights reserved.
-#
-# The MIT License (MIT)
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-# and warranty status of this software.
-
-"""Merkle trees, branches, proofs and roots."""
-
-from asyncio import Event
-from math import ceil, log
-
-from lbry.wallet.server.hash import double_sha256
-
-
-class Merkle:
-    """Perform merkle tree calculations on binary hashes using a given hash
-    function.
-
-    If the hash count is not even, the final hash is repeated when
-    calculating the next merkle layer up the tree.
-    """
-
-    def __init__(self, hash_func=double_sha256):
-        self.hash_func = hash_func
-
-    @staticmethod
-    def tree_depth(hash_count):
-        return Merkle.branch_length(hash_count) + 1
-
-    @staticmethod
-    def branch_length(hash_count):
-        """Return the length of a merkle branch given the number of hashes."""
-        if not isinstance(hash_count, int):
-            raise TypeError('hash_count must be an integer')
-        if hash_count < 1:
-            raise ValueError('hash_count must be at least 1')
-        return ceil(log(hash_count, 2))
-
-    @staticmethod
-    def branch_and_root(hashes, index, length=None, hash_func=double_sha256):
-        """Return a (merkle branch, merkle_root) pair given hashes, and the
-        index of one of those hashes.
-        """
-        hashes = list(hashes)
-        if not isinstance(index, int):
-            raise TypeError('index must be an integer')
-        # This also asserts hashes is not empty
-        if not 0 <= index < len(hashes):
-            raise ValueError(f"index '{index}/{len(hashes)}' out of range")
-        natural_length = Merkle.branch_length(len(hashes))
-        if length is None:
-            length = natural_length
-        else:
-            if not isinstance(length, int):
-                raise TypeError('length must be an integer')
-            if length < natural_length:
-                raise ValueError('length out of range')
-
-        branch = []
-        for _ in range(length):
-            if len(hashes) & 1:
-                hashes.append(hashes[-1])
-            branch.append(hashes[index ^ 1])
-            index >>= 1
-            hashes = [hash_func(hashes[n] + hashes[n + 1])
-                      for n in range(0, len(hashes), 2)]
-
-        return branch, hashes[0]
-
-    @staticmethod
-    def root(hashes, length=None):
-        """Return the merkle root of a non-empty iterable of binary hashes."""
-        branch, root = Merkle.branch_and_root(hashes, 0, length)
-        return root
-
-    # @staticmethod
-    # def root_from_proof(hash, branch, index, hash_func=double_sha256):
-    #     """Return the merkle root given a hash, a merkle branch to it, and
-    #     its index in the hashes array.
-    #
-    #     branch is an iterable sorted deepest to shallowest.  If the
-    #     returned root is the expected value then the merkle proof is
-    #     verified.
-    #
-    #     The caller should have confirmed the length of the branch with
-    #     branch_length().  Unfortunately this is not easily done for
-    #     bitcoin transactions as the number of transactions in a block
-    #     is unknown to an SPV client.
-    #     """
-    #     for elt in branch:
-    #         if index & 1:
-    #             hash = hash_func(elt + hash)
-    #         else:
-    #             hash = hash_func(hash + elt)
-    #         index >>= 1
-    #     if index:
-    #         raise ValueError('index out of range for branch')
-    #     return hash
-
-    @staticmethod
-    def level(hashes, depth_higher):
-        """Return a level of the merkle tree of hashes the given depth
-        higher than the bottom row of the original tree."""
-        size = 1 << depth_higher
-        root = Merkle.root
-        return [root(hashes[n: n + size], depth_higher)
-                for n in range(0, len(hashes), size)]
-
-    @staticmethod
-    def branch_and_root_from_level(level, leaf_hashes, index,
-                                   depth_higher):
-        """Return a (merkle branch, merkle_root) pair when a merkle-tree has a
-        level cached.
-
-        To maximally reduce the amount of data hashed in computing a
-        markle branch, cache a tree of depth N at level N // 2.
-
-        level is a list of hashes in the middle of the tree (returned
-        by level())
-
-        leaf_hashes are the leaves needed to calculate a partial branch
-        up to level.
-
-        depth_higher is how much higher level is than the leaves of the tree
-
-        index is the index in the full list of hashes of the hash whose
-        merkle branch we want.
-        """
-        if not isinstance(level, list):
-            raise TypeError("level must be a list")
-        if not isinstance(leaf_hashes, list):
-            raise TypeError("leaf_hashes must be a list")
-        leaf_index = (index >> depth_higher) << depth_higher
-        leaf_branch, leaf_root = Merkle.branch_and_root(
-            leaf_hashes, index - leaf_index, depth_higher)
-        index >>= depth_higher
-        level_branch, root = Merkle.branch_and_root(level, index)
-        # Check last so that we know index is in-range
-        if leaf_root != level[index]:
-            raise ValueError('leaf hashes inconsistent with level')
-        return leaf_branch + level_branch, root
-
-
-class MerkleCache:
-    """A cache to calculate merkle branches efficiently."""
-
-    def __init__(self, merkle, source_func):
-        """Initialise a cache hashes taken from source_func:
-
-           async def source_func(index, count):
-              ...
-        """
-        self.merkle = merkle
-        self.source_func = source_func
-        self.length = 0
-        self.depth_higher = 0
-        self.initialized = Event()
-
-    def _segment_length(self):
-        return 1 << self.depth_higher
-
-    def _leaf_start(self, index):
-        """Given a level's depth higher and a hash index, return the leaf
-        index and leaf hash count needed to calculate a merkle branch.
-        """
-        depth_higher = self.depth_higher
-        return (index >> depth_higher) << depth_higher
-
-    def _level(self, hashes):
-        return self.merkle.level(hashes, self.depth_higher)
-
-    async def _extend_to(self, length):
-        """Extend the length of the cache if necessary."""
-        if length <= self.length:
-            return
-        # Start from the beginning of any final partial segment.
-        # Retain the value of depth_higher; in practice this is fine
-        start = self._leaf_start(self.length)
-        hashes = await self.source_func(start, length - start)
-        self.level[start >> self.depth_higher:] = self._level(hashes)
-        self.length = length
-
-    async def _level_for(self, length):
-        """Return a (level_length, final_hash) pair for a truncation
-        of the hashes to the given length."""
-        if length == self.length:
-            return self.level
-        level = self.level[:length >> self.depth_higher]
-        leaf_start = self._leaf_start(length)
-        count = min(self._segment_length(), length - leaf_start)
-        hashes = await self.source_func(leaf_start, count)
-        level += self._level(hashes)
-        return level
-
-    async def initialize(self, length):
-        """Call to initialize the cache to a source of given length."""
-        self.length = length
-        self.depth_higher = self.merkle.tree_depth(length) // 2
-        self.level = self._level(await self.source_func(0, length))
-        self.initialized.set()
-
-    def truncate(self, length):
-        """Truncate the cache so it covers no more than length underlying
-        hashes."""
-        if not isinstance(length, int):
-            raise TypeError('length must be an integer')
-        if length <= 0:
-            raise ValueError('length must be positive')
-        if length >= self.length:
-            return
-        length = self._leaf_start(length)
-        self.length = length
-        self.level[length >> self.depth_higher:] = []
-
-    async def branch_and_root(self, length, index):
-        """Return a merkle branch and root.  Length is the number of
-        hashes used to calculate the merkle root, index is the position
-        of the hash to calculate the branch of.
-
-        index must be less than length, which must be at least 1."""
-        if not isinstance(length, int):
-            raise TypeError('length must be an integer')
-        if not isinstance(index, int):
-            raise TypeError('index must be an integer')
-        if length <= 0:
-            raise ValueError('length must be positive')
-        if index >= length:
-            raise ValueError('index must be less than length')
-        await self.initialized.wait()
-        await self._extend_to(length)
-        leaf_start = self._leaf_start(index)
-        count = min(self._segment_length(), length - leaf_start)
-        leaf_hashes = await self.source_func(leaf_start, count)
-        if length < self._segment_length():
-            return self.merkle.branch_and_root(leaf_hashes, index)
-        level = await self._level_for(length)
-        return self.merkle.branch_and_root_from_level(
-            level, leaf_hashes, index, self.depth_higher)

lbry/wallet/server/metrics.py

@@ -1,135 +0,0 @@
-import time
-import math
-from typing import Tuple
-
-
-def calculate_elapsed(start) -> int:
-    return int((time.perf_counter() - start) * 1000)
-
-
-def calculate_avg_percentiles(data) -> Tuple[int, int, int, int, int, int, int, int]:
-    if not data:
-        return 0, 0, 0, 0, 0, 0, 0, 0
-    data.sort()
-    size = len(data)
-    return (
-        int(sum(data) / size),
-        data[0],
-        data[math.ceil(size * .05) - 1],
-        data[math.ceil(size * .25) - 1],
-        data[math.ceil(size * .50) - 1],
-        data[math.ceil(size * .75) - 1],
-        data[math.ceil(size * .95) - 1],
-        data[-1]
-    )
-
-
-def remove_select_list(sql) -> str:
-    return sql[sql.index('FROM'):]
-
-
-class APICallMetrics:
-
-    def __init__(self, name):
-        self.name = name
-
-        # total requests received
-        self.receive_count = 0
-        self.cache_response_count = 0
-
-        # millisecond timings for query based responses
-        self.query_response_times = []
-        self.query_intrp_times = []
-        self.query_error_times = []
-
-        self.query_python_times = []
-        self.query_wait_times = []
-        self.query_sql_times = []  # aggregate total of multiple SQL calls made per request
-
-        self.individual_sql_times = []  # every SQL query run on server
-
-        # actual queries
-        self.errored_queries = set()
-        self.interrupted_queries = set()
-
-    def to_json(self):
-        return {
-            # total requests received
-            "receive_count": self.receive_count,
-            # sum of these is total responses made
-            "cache_response_count": self.cache_response_count,
-            "query_response_count": len(self.query_response_times),
-            "intrp_response_count": len(self.query_intrp_times),
-            "error_response_count": len(self.query_error_times),
-            # millisecond timings for non-cache responses
-            "response": calculate_avg_percentiles(self.query_response_times),
-            "interrupt": calculate_avg_percentiles(self.query_intrp_times),
-            "error": calculate_avg_percentiles(self.query_error_times),
-            # response, interrupt and error each also report the python, wait and sql stats:
-            "python": calculate_avg_percentiles(self.query_python_times),
-            "wait": calculate_avg_percentiles(self.query_wait_times),
-            "sql": calculate_avg_percentiles(self.query_sql_times),
-            # extended timings for individual sql executions
-            "individual_sql": calculate_avg_percentiles(self.individual_sql_times),
-            "individual_sql_count": len(self.individual_sql_times),
-            # actual queries
-            "errored_queries": list(self.errored_queries),
-            "interrupted_queries": list(self.interrupted_queries),
-        }
-
-    def start(self):
-        self.receive_count += 1
-
-    def cache_response(self):
-        self.cache_response_count += 1
-
-    def _add_query_timings(self, request_total_time, metrics):
-        if metrics and 'execute_query' in metrics:
-            sub_process_total = metrics[self.name][0]['total']
-            individual_query_times = [f['total'] for f in metrics['execute_query']]
-            aggregated_query_time = sum(individual_query_times)
-            self.individual_sql_times.extend(individual_query_times)
-            self.query_sql_times.append(aggregated_query_time)
-            self.query_python_times.append(sub_process_total - aggregated_query_time)
-            self.query_wait_times.append(request_total_time - sub_process_total)
-
-    @staticmethod
-    def _add_queries(query_set, metrics):
-        if metrics and 'execute_query' in metrics:
-            for execute_query in metrics['execute_query']:
-                if 'sql' in execute_query:
-                    query_set.add(remove_select_list(execute_query['sql']))
-
-    def query_response(self, start, metrics):
-        self.query_response_times.append(calculate_elapsed(start))
-        self._add_query_timings(self.query_response_times[-1], metrics)
-
-    def query_interrupt(self, start, metrics):
-        self.query_intrp_times.append(calculate_elapsed(start))
-        self._add_queries(self.interrupted_queries, metrics)
-        self._add_query_timings(self.query_intrp_times[-1], metrics)
-
-    def query_error(self, start, metrics):
-        self.query_error_times.append(calculate_elapsed(start))
-        self._add_queries(self.errored_queries, metrics)
-        self._add_query_timings(self.query_error_times[-1], metrics)
-
-
-class ServerLoadData:
-
-    def __init__(self):
-        self._apis = {}
-
-    def for_api(self, name) -> APICallMetrics:
-        if name not in self._apis:
-            self._apis[name] = APICallMetrics(name)
-        return self._apis[name]
-
-    def to_json_and_reset(self, status):
-        try:
-            return {
-                'api': {name: api.to_json() for name, api in self._apis.items()},
-                'status': status
-            }
-        finally:
-            self._apis = {}

lbry/wallet/server/script.py

@@ -1,289 +0,0 @@
-# Copyright (c) 2016-2017, Neil Booth
-#
-# All rights reserved.
-#
-# The MIT License (MIT)
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-# and warranty status of this software.
-
-"""Script-related classes and functions."""
-
-
-from collections import namedtuple
-
-from lbry.wallet.server.util import unpack_le_uint16_from, unpack_le_uint32_from, \
-    pack_le_uint16, pack_le_uint32
-
-
-class EnumError(Exception):
-    pass
-
-
-class Enumeration:
-
-    def __init__(self, name, enumList):
-        self.__doc__ = name
-
-        lookup = {}
-        reverseLookup = {}
-        i = 0
-        uniqueNames = set()
-        uniqueValues = set()
-        for x in enumList:
-            if isinstance(x, tuple):
-                x, i = x
-            if not isinstance(x, str):
-                raise EnumError(f"enum name {x} not a string")
-            if not isinstance(i, int):
-                raise EnumError(f"enum value {i} not an integer")
-            if x in uniqueNames:
-                raise EnumError(f"enum name {x} not unique")
-            if i in uniqueValues:
-                raise EnumError(f"enum value {i} not unique")
-            uniqueNames.add(x)
-            uniqueValues.add(i)
-            lookup[x] = i
-            reverseLookup[i] = x
-            i = i + 1
-        self.lookup = lookup
-        self.reverseLookup = reverseLookup
-
-    def __getattr__(self, attr):
-        result = self.lookup.get(attr)
-        if result is None:
-            raise AttributeError(f'enumeration has no member {attr}')
-        return result
-
-    def whatis(self, value):
-        return self.reverseLookup[value]
-
-
-class ScriptError(Exception):
-    """Exception used for script errors."""
-
-
-OpCodes = Enumeration("Opcodes", [
-    ("OP_0", 0), ("OP_PUSHDATA1", 76),
-    "OP_PUSHDATA2", "OP_PUSHDATA4", "OP_1NEGATE",
-    "OP_RESERVED",
-    "OP_1", "OP_2", "OP_3", "OP_4", "OP_5", "OP_6", "OP_7", "OP_8",
-    "OP_9", "OP_10", "OP_11", "OP_12", "OP_13", "OP_14", "OP_15", "OP_16",
-    "OP_NOP", "OP_VER", "OP_IF", "OP_NOTIF", "OP_VERIF", "OP_VERNOTIF",
-    "OP_ELSE", "OP_ENDIF", "OP_VERIFY", "OP_RETURN",
-    "OP_TOALTSTACK", "OP_FROMALTSTACK", "OP_2DROP", "OP_2DUP", "OP_3DUP",
-    "OP_2OVER", "OP_2ROT", "OP_2SWAP", "OP_IFDUP", "OP_DEPTH", "OP_DROP",
-    "OP_DUP", "OP_NIP", "OP_OVER", "OP_PICK", "OP_ROLL", "OP_ROT",
-    "OP_SWAP", "OP_TUCK",
-    "OP_CAT", "OP_SUBSTR", "OP_LEFT", "OP_RIGHT", "OP_SIZE",
-    "OP_INVERT", "OP_AND", "OP_OR", "OP_XOR", "OP_EQUAL", "OP_EQUALVERIFY",
-    "OP_RESERVED1", "OP_RESERVED2",
-    "OP_1ADD", "OP_1SUB", "OP_2MUL", "OP_2DIV", "OP_NEGATE", "OP_ABS",
-    "OP_NOT", "OP_0NOTEQUAL", "OP_ADD", "OP_SUB", "OP_MUL", "OP_DIV", "OP_MOD",
-    "OP_LSHIFT", "OP_RSHIFT", "OP_BOOLAND", "OP_BOOLOR", "OP_NUMEQUAL",
-    "OP_NUMEQUALVERIFY", "OP_NUMNOTEQUAL", "OP_LESSTHAN", "OP_GREATERTHAN",
-    "OP_LESSTHANOREQUAL", "OP_GREATERTHANOREQUAL", "OP_MIN", "OP_MAX",
-    "OP_WITHIN",
-    "OP_RIPEMD160", "OP_SHA1", "OP_SHA256", "OP_HASH160", "OP_HASH256",
-    "OP_CODESEPARATOR", "OP_CHECKSIG", "OP_CHECKSIGVERIFY", "OP_CHECKMULTISIG",
-    "OP_CHECKMULTISIGVERIFY",
-    "OP_NOP1",
-    "OP_CHECKLOCKTIMEVERIFY", "OP_CHECKSEQUENCEVERIFY"
-])
-
-
-# Paranoia to make it hard to create bad scripts
-assert OpCodes.OP_DUP == 0x76
-assert OpCodes.OP_HASH160 == 0xa9
-assert OpCodes.OP_EQUAL == 0x87
-assert OpCodes.OP_EQUALVERIFY == 0x88
-assert OpCodes.OP_CHECKSIG == 0xac
-assert OpCodes.OP_CHECKMULTISIG == 0xae
-
-
-def _match_ops(ops, pattern):
-    if len(ops) != len(pattern):
-        return False
-    for op, pop in zip(ops, pattern):
-        if pop != op:
-            # -1 means 'data push', whose op is an (op, data) tuple
-            if pop == -1 and isinstance(op, tuple):
-                continue
-            return False
-
-    return True
-
-
-class ScriptPubKey:
-    """A class for handling a tx output script that gives conditions
-    necessary for spending.
-    """
-
-    TO_ADDRESS_OPS = [OpCodes.OP_DUP, OpCodes.OP_HASH160, -1,
-                      OpCodes.OP_EQUALVERIFY, OpCodes.OP_CHECKSIG]
-    TO_P2SH_OPS = [OpCodes.OP_HASH160, -1, OpCodes.OP_EQUAL]
-    TO_PUBKEY_OPS = [-1, OpCodes.OP_CHECKSIG]
-
-    PayToHandlers = namedtuple('PayToHandlers', 'address script_hash pubkey '
-                               'unspendable strange')
-
-    @classmethod
-    def pay_to(cls, handlers, script):
-        """Parse a script, invoke the appropriate handler and
-        return the result.
-
-        One of the following handlers is invoked:
-           handlers.address(hash160)
-           handlers.script_hash(hash160)
-           handlers.pubkey(pubkey)
-           handlers.unspendable()
-           handlers.strange(script)
-        """
-        try:
-            ops = Script.get_ops(script)
-        except ScriptError:
-            return handlers.unspendable()
-
-        match = _match_ops
-
-        if match(ops, cls.TO_ADDRESS_OPS):
-            return handlers.address(ops[2][-1])
-        if match(ops, cls.TO_P2SH_OPS):
-            return handlers.script_hash(ops[1][-1])
-        if match(ops, cls.TO_PUBKEY_OPS):
-            return handlers.pubkey(ops[0][-1])
-        if ops and ops[0] == OpCodes.OP_RETURN:
-            return handlers.unspendable()
-        return handlers.strange(script)
-
-    @classmethod
-    def P2SH_script(cls, hash160):
-        return (bytes([OpCodes.OP_HASH160])
-                + Script.push_data(hash160)
-                + bytes([OpCodes.OP_EQUAL]))
-
-    @classmethod
-    def P2PKH_script(cls, hash160):
-        return (bytes([OpCodes.OP_DUP, OpCodes.OP_HASH160])
-                + Script.push_data(hash160)
-                + bytes([OpCodes.OP_EQUALVERIFY, OpCodes.OP_CHECKSIG]))
-
-    @classmethod
-    def validate_pubkey(cls, pubkey, req_compressed=False):
-        if isinstance(pubkey, (bytes, bytearray)):
-            if len(pubkey) == 33 and pubkey[0] in (2, 3):
-                return  # Compressed
-            if len(pubkey) == 65 and pubkey[0] == 4:
-                if not req_compressed:
-                    return
-                raise PubKeyError('uncompressed pubkeys are invalid')
-        raise PubKeyError(f'invalid pubkey {pubkey}')
-
-    @classmethod
-    def pubkey_script(cls, pubkey):
-        cls.validate_pubkey(pubkey)
-        return Script.push_data(pubkey) + bytes([OpCodes.OP_CHECKSIG])
-
-    @classmethod
-    def multisig_script(cls, m, pubkeys):
-        """Returns the script for a pay-to-multisig transaction."""
-        n = len(pubkeys)
-        if not 1 <= m <= n <= 15:
-            raise ScriptError(f'{m:d} of {n:d} multisig script not possible')
-        for pubkey in pubkeys:
-            cls.validate_pubkey(pubkey, req_compressed=True)
-        # See https://bitcoin.org/en/developer-guide
-        # 2 of 3 is: OP_2 pubkey1 pubkey2 pubkey3 OP_3 OP_CHECKMULTISIG
-        return (bytes([OP_1 + m - 1])
-                + b''.join(cls.push_data(pubkey) for pubkey in pubkeys)
-                + bytes([OP_1 + n - 1, OP_CHECK_MULTISIG]))
-
-
-class Script:
-
-    @classmethod
-    def get_ops(cls, script):
-        ops = []
-
-        # The unpacks or script[n] below throw on truncated scripts
-        try:
-            n = 0
-            while n < len(script):
-                op = script[n]
-                n += 1
-
-                if op <= OpCodes.OP_PUSHDATA4:
-                    # Raw bytes follow
-                    if op < OpCodes.OP_PUSHDATA1:
-                        dlen = op
-                    elif op == OpCodes.OP_PUSHDATA1:
-                        dlen = script[n]
-                        n += 1
-                    elif op == OpCodes.OP_PUSHDATA2:
-                        dlen, = unpack_le_uint16_from(script[n: n + 2])
-                        n += 2
-                    else:
-                        dlen, = unpack_le_uint32_from(script[n: n + 4])
-                        n += 4
-                    if n + dlen > len(script):
-                        raise IndexError
-                    op = (op, script[n:n + dlen])
-                    n += dlen
-
-                ops.append(op)
-        except Exception:
-            # Truncated script; e.g. tx_hash
-            # ebc9fa1196a59e192352d76c0f6e73167046b9d37b8302b6bb6968dfd279b767
-            raise ScriptError('truncated script')
-
-        return ops
-
-    @classmethod
-    def push_data(cls, data):
-        """Returns the opcodes to push the data on the stack."""
-        assert isinstance(data, (bytes, bytearray))
-
-        n = len(data)
-        if n < OpCodes.OP_PUSHDATA1:
-            return bytes([n]) + data
-        if n < 256:
-            return bytes([OpCodes.OP_PUSHDATA1, n]) + data
-        if n < 65536:
-            return bytes([OpCodes.OP_PUSHDATA2]) + pack_le_uint16(n) + data
-        return bytes([OpCodes.OP_PUSHDATA4]) + pack_le_uint32(n) + data
-
-    @classmethod
-    def opcode_name(cls, opcode):
-        if OpCodes.OP_0 < opcode < OpCodes.OP_PUSHDATA1:
-            return f'OP_{opcode:d}'
-        try:
-            return OpCodes.whatis(opcode)
-        except KeyError:
-            return f'OP_UNKNOWN:{opcode:d}'
-
-    @classmethod
-    def dump(cls, script):
-        opcodes, datas = cls.get_ops(script)
-        for opcode, data in zip(opcodes, datas):
-            name = cls.opcode_name(opcode)
-            if data is None:
-                print(name)
-            else:
-                print(f'{name} {data.hex()} ({len(data):d} bytes)')

lbry/wallet/server/server.py

@@ -1,91 +0,0 @@
-import signal
-import logging
-import asyncio
-from concurrent.futures.thread import ThreadPoolExecutor
-import typing
-
-import lbry
-from lbry.wallet.server.mempool import MemPool
-from lbry.wallet.server.block_processor import BlockProcessor
-from lbry.wallet.server.leveldb import LevelDB
-from lbry.wallet.server.session import LBRYSessionManager
-from lbry.prometheus import PrometheusServer
-
-
-class Server:
-
-    def __init__(self, env):
-        self.env = env
-        self.log = logging.getLogger(__name__).getChild(self.__class__.__name__)
-        self.shutdown_event = asyncio.Event()
-        self.cancellable_tasks = []
-
-        self.daemon = daemon = env.coin.DAEMON(env.coin, env.daemon_url)
-        self.db = db = LevelDB(env)
-        self.bp = bp = BlockProcessor(env, db, daemon, self.shutdown_event)
-        self.prometheus_server: typing.Optional[PrometheusServer] = None
-
-        self.session_mgr = LBRYSessionManager(
-            env, db, bp, daemon, self.shutdown_event
-        )
-        self._indexer_task = None
-
-    async def start(self):
-        env = self.env
-        min_str, max_str = env.coin.SESSIONCLS.protocol_min_max_strings()
-        self.log.info(f'software version: {lbry.__version__}')
-        self.log.info(f'supported protocol versions: {min_str}-{max_str}')
-        self.log.info(f'event loop policy: {env.loop_policy}')
-        self.log.info(f'reorg limit is {env.reorg_limit:,d} blocks')
-
-        await self.daemon.height()
-
-        def _start_cancellable(run, *args):
-            _flag = asyncio.Event()
-            self.cancellable_tasks.append(asyncio.ensure_future(run(*args, _flag)))
-            return _flag.wait()
-
-        await self.start_prometheus()
-        if self.env.udp_port:
-            await self.bp.status_server.start(
-                0, bytes.fromhex(self.bp.coin.GENESIS_HASH)[::-1], self.env.country,
-                self.env.host, self.env.udp_port, self.env.allow_lan_udp
-            )
-        await _start_cancellable(self.bp.fetch_and_process_blocks)
-
-        await self.db.populate_header_merkle_cache()
-        await _start_cancellable(self.bp.mempool.keep_synchronized)
-        await _start_cancellable(self.session_mgr.serve, self.bp.mempool)
-
-    async def stop(self):
-        for task in reversed(self.cancellable_tasks):
-            task.cancel()
-        await asyncio.wait(self.cancellable_tasks)
-        if self.prometheus_server:
-            await self.prometheus_server.stop()
-            self.prometheus_server = None
-        self.shutdown_event.set()
-        await self.daemon.close()
-
-    def run(self):
-        loop = asyncio.get_event_loop()
-        executor = ThreadPoolExecutor(self.env.max_query_workers, thread_name_prefix='hub-worker')
-        loop.set_default_executor(executor)
-
-        def __exit():
-            raise SystemExit()
-        try:
-            loop.add_signal_handler(signal.SIGINT, __exit)
-            loop.add_signal_handler(signal.SIGTERM, __exit)
-            loop.run_until_complete(self.start())
-            loop.run_until_complete(self.shutdown_event.wait())
-        except (SystemExit, KeyboardInterrupt):
-            pass
-        finally:
-            loop.run_until_complete(self.stop())
-            executor.shutdown(True)
-
-    async def start_prometheus(self):
-        if not self.prometheus_server and self.env.prometheus_port:
-            self.prometheus_server = PrometheusServer()
-            await self.prometheus_server.start("0.0.0.0", self.env.prometheus_port)

lbry/wallet/server/tx.py

@@ -1,626 +0,0 @@
-# Copyright (c) 2016-2017, Neil Booth
-# Copyright (c) 2017, the ElectrumX authors
-#
-# All rights reserved.
-#
-# The MIT License (MIT)
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-# and warranty status of this software.
-
-"""Transaction-related classes and functions."""
-import typing
-from collections import namedtuple
-
-from lbry.wallet.server.hash import sha256, double_sha256, hash_to_hex_str
-from lbry.wallet.server.script import OpCodes
-from lbry.wallet.server.util import (
-    unpack_le_int32_from, unpack_le_int64_from, unpack_le_uint16_from,
-    unpack_le_uint32_from, unpack_le_uint64_from, pack_le_int32, pack_varint,
-    pack_le_uint32, pack_le_int64, pack_varbytes,
-)
-
-ZERO = bytes(32)
-MINUS_1 = 4294967295
-
-
-class Tx(typing.NamedTuple):
-    version: int
-    inputs: typing.List['TxInput']
-    outputs: typing.List['TxOutput']
-    locktime: int
-    raw: bytes
-
-
-class TxInput(typing.NamedTuple):
-    prev_hash: bytes
-    prev_idx: int
-    script: bytes
-    sequence: int
-
-    """Class representing a transaction input."""
-    def __str__(self):
-        script = self.script.hex()
-        prev_hash = hash_to_hex_str(self.prev_hash)
-        return (f"Input({prev_hash}, {self.prev_idx:d}, script={script}, sequence={self.sequence:d})")
-
-    def is_generation(self):
-        """Test if an input is generation/coinbase like"""
-        return self.prev_idx == MINUS_1 and self.prev_hash == ZERO
-
-    def serialize(self):
-        return b''.join((
-            self.prev_hash,
-            pack_le_uint32(self.prev_idx),
-            pack_varbytes(self.script),
-            pack_le_uint32(self.sequence),
-        ))
-
-
-class TxOutput(typing.NamedTuple):
-    value: int
-    pk_script: bytes
-
-    def serialize(self):
-        return b''.join((
-            pack_le_int64(self.value),
-            pack_varbytes(self.pk_script),
-        ))
-
-
-class Deserializer:
-    """Deserializes blocks into transactions.
-
-    External entry points are read_tx(), read_tx_and_hash(),
-    read_tx_and_vsize() and read_block().
-
-    This code is performance sensitive as it is executed 100s of
-    millions of times during sync.
-    """
-
-    TX_HASH_FN = staticmethod(double_sha256)
-
-    def __init__(self, binary, start=0):
-        assert isinstance(binary, bytes)
-        self.binary = binary
-        self.binary_length = len(binary)
-        self.cursor = start
-        self.flags = 0
-
-    def read_tx(self):
-        """Return a deserialized transaction."""
-        start = self.cursor
-        return Tx(
-            self._read_le_int32(),  # version
-            self._read_inputs(),  # inputs
-            self._read_outputs(),  # outputs
-            self._read_le_uint32(),  # locktime
-            self.binary[start:self.cursor],
-        )
-
-    def read_tx_and_hash(self):
-        """Return a (deserialized TX, tx_hash) pair.
-
-        The hash needs to be reversed for human display; for efficiency
-        we process it in the natural serialized order.
-        """
-        start = self.cursor
-        return self.read_tx(), self.TX_HASH_FN(self.binary[start:self.cursor])
-
-    def read_tx_and_vsize(self):
-        """Return a (deserialized TX, vsize) pair."""
-        return self.read_tx(), self.binary_length
-
-    def read_tx_block(self):
-        """Returns a list of (deserialized_tx, tx_hash) pairs."""
-        read = self.read_tx_and_hash
-        # Some coins have excess data beyond the end of the transactions
-        return [read() for _ in range(self._read_varint())]
-
-    def _read_inputs(self):
-        read_input = self._read_input
-        return [read_input() for i in range(self._read_varint())]
-
-    def _read_input(self):
-        return TxInput(
-            self._read_nbytes(32),   # prev_hash
-            self._read_le_uint32(),  # prev_idx
-            self._read_varbytes(),   # script
-            self._read_le_uint32()   # sequence
-        )
-
-    def _read_outputs(self):
-        read_output = self._read_output
-        return [read_output() for i in range(self._read_varint())]
-
-    def _read_output(self):
-        return TxOutput(
-            self._read_le_int64(),  # value
-            self._read_varbytes(),  # pk_script
-        )
-
-    def _read_byte(self):
-        cursor = self.cursor
-        self.cursor += 1
-        return self.binary[cursor]
-
-    def _read_nbytes(self, n):
-        cursor = self.cursor
-        self.cursor = end = cursor + n
-        assert self.binary_length >= end
-        return self.binary[cursor:end]
-
-    def _read_varbytes(self):
-        return self._read_nbytes(self._read_varint())
-
-    def _read_varint(self):
-        n = self.binary[self.cursor]
-        self.cursor += 1
-        if n < 253:
-            return n
-        if n == 253:
-            return self._read_le_uint16()
-        if n == 254:
-            return self._read_le_uint32()
-        return self._read_le_uint64()
-
-    def _read_le_int32(self):
-        result, = unpack_le_int32_from(self.binary, self.cursor)
-        self.cursor += 4
-        return result
-
-    def _read_le_int64(self):
-        result, = unpack_le_int64_from(self.binary, self.cursor)
-        self.cursor += 8
-        return result
-
-    def _read_le_uint16(self):
-        result, = unpack_le_uint16_from(self.binary, self.cursor)
-        self.cursor += 2
-        return result
-
-    def _read_le_uint32(self):
-        result, = unpack_le_uint32_from(self.binary, self.cursor)
-        self.cursor += 4
-        return result
-
-    def _read_le_uint64(self):
-        result, = unpack_le_uint64_from(self.binary, self.cursor)
-        self.cursor += 8
-        return result
-
-
-class TxSegWit(namedtuple("Tx", "version marker flag inputs outputs "
-                          "witness locktime raw")):
-    """Class representing a SegWit transaction."""
-
-
-class DeserializerSegWit(Deserializer):
-
-    # https://bitcoincore.org/en/segwit_wallet_dev/#transaction-serialization
-
-    def _read_witness(self, fields):
-        read_witness_field = self._read_witness_field
-        return [read_witness_field() for i in range(fields)]
-
-    def _read_witness_field(self):
-        read_varbytes = self._read_varbytes
-        return [read_varbytes() for i in range(self._read_varint())]
-
-    def _read_tx_parts(self):
-        """Return a (deserialized TX, tx_hash, vsize) tuple."""
-        start = self.cursor
-        marker = self.binary[self.cursor + 4]
-        if marker:
-            tx = super().read_tx()
-            tx_hash = self.TX_HASH_FN(self.binary[start:self.cursor])
-            return tx, tx_hash, self.binary_length
-
-        # Ugh, this is nasty.
-        version = self._read_le_int32()
-        orig_ser = self.binary[start:self.cursor]
-
-        marker = self._read_byte()
-        flag = self._read_byte()
-
-        start = self.cursor
-        inputs = self._read_inputs()
-        outputs = self._read_outputs()
-        orig_ser += self.binary[start:self.cursor]
-
-        base_size = self.cursor - start
-        witness = self._read_witness(len(inputs))
-
-        start = self.cursor
-        locktime = self._read_le_uint32()
-        orig_ser += self.binary[start:self.cursor]
-        vsize = (3 * base_size + self.binary_length) // 4
-
-        return TxSegWit(version, marker, flag, inputs, outputs, witness,
-                        locktime, orig_ser), self.TX_HASH_FN(orig_ser), vsize
-
-    def read_tx(self):
-        return self._read_tx_parts()[0]
-
-    def read_tx_and_hash(self):
-        tx, tx_hash, vsize = self._read_tx_parts()
-        return tx, tx_hash
-
-    def read_tx_and_vsize(self):
-        tx, tx_hash, vsize = self._read_tx_parts()
-        return tx, vsize
-
-
-class DeserializerAuxPow(Deserializer):
-    VERSION_AUXPOW = (1 << 8)
-
-    def read_header(self, height, static_header_size):
-        """Return the AuxPow block header bytes"""
-        start = self.cursor
-        version = self._read_le_uint32()
-        if version & self.VERSION_AUXPOW:
-            # We are going to calculate the block size then read it as bytes
-            self.cursor = start
-            self.cursor += static_header_size  # Block normal header
-            self.read_tx()  # AuxPow transaction
-            self.cursor += 32  # Parent block hash
-            merkle_size = self._read_varint()
-            self.cursor += 32 * merkle_size  # Merkle branch
-            self.cursor += 4  # Index
-            merkle_size = self._read_varint()
-            self.cursor += 32 * merkle_size  # Chain merkle branch
-            self.cursor += 4  # Chain index
-            self.cursor += 80  # Parent block header
-            header_end = self.cursor
-        else:
-            header_end = static_header_size
-        self.cursor = start
-        return self._read_nbytes(header_end)
-
-
-class DeserializerAuxPowSegWit(DeserializerSegWit, DeserializerAuxPow):
-    pass
-
-
-class DeserializerEquihash(Deserializer):
-    def read_header(self, height, static_header_size):
-        """Return the block header bytes"""
-        start = self.cursor
-        # We are going to calculate the block size then read it as bytes
-        self.cursor += static_header_size
-        solution_size = self._read_varint()
-        self.cursor += solution_size
-        header_end = self.cursor
-        self.cursor = start
-        return self._read_nbytes(header_end)
-
-
-class DeserializerEquihashSegWit(DeserializerSegWit, DeserializerEquihash):
-    pass
-
-
-class TxJoinSplit(namedtuple("Tx", "version inputs outputs locktime")):
-    """Class representing a JoinSplit transaction."""
-
-
-class DeserializerZcash(DeserializerEquihash):
-    def read_tx(self):
-        header = self._read_le_uint32()
-        overwintered = ((header >> 31) == 1)
-        if overwintered:
-            version = header & 0x7fffffff
-            self.cursor += 4  # versionGroupId
-        else:
-            version = header
-
-        is_overwinter_v3 = version == 3
-        is_sapling_v4 = version == 4
-
-        base_tx = TxJoinSplit(
-            version,
-            self._read_inputs(),    # inputs
-            self._read_outputs(),   # outputs
-            self._read_le_uint32()  # locktime
-        )
-
-        if is_overwinter_v3 or is_sapling_v4:
-            self.cursor += 4  # expiryHeight
-
-        has_shielded = False
-        if is_sapling_v4:
-            self.cursor += 8  # valueBalance
-            shielded_spend_size = self._read_varint()
-            self.cursor += shielded_spend_size * 384  # vShieldedSpend
-            shielded_output_size = self._read_varint()
-            self.cursor += shielded_output_size * 948  # vShieldedOutput
-            has_shielded = shielded_spend_size > 0 or shielded_output_size > 0
-
-        if base_tx.version >= 2:
-            joinsplit_size = self._read_varint()
-            if joinsplit_size > 0:
-                joinsplit_desc_len = 1506 + (192 if is_sapling_v4 else 296)
-                # JSDescription
-                self.cursor += joinsplit_size * joinsplit_desc_len
-                self.cursor += 32  # joinSplitPubKey
-                self.cursor += 64  # joinSplitSig
-
-        if is_sapling_v4 and has_shielded:
-            self.cursor += 64  # bindingSig
-
-        return base_tx
-
-
-class TxTime(namedtuple("Tx", "version time inputs outputs locktime")):
-    """Class representing transaction that has a time field."""
-
-
-class DeserializerTxTime(Deserializer):
-    def read_tx(self):
-        return TxTime(
-            self._read_le_int32(),   # version
-            self._read_le_uint32(),  # time
-            self._read_inputs(),     # inputs
-            self._read_outputs(),    # outputs
-            self._read_le_uint32(),  # locktime
-        )
-
-
-class DeserializerReddcoin(Deserializer):
-    def read_tx(self):
-        version = self._read_le_int32()
-        inputs = self._read_inputs()
-        outputs = self._read_outputs()
-        locktime = self._read_le_uint32()
-        if version > 1:
-            time = self._read_le_uint32()
-        else:
-            time = 0
-
-        return TxTime(version, time, inputs, outputs, locktime)
-
-
-class DeserializerTxTimeAuxPow(DeserializerTxTime):
-    VERSION_AUXPOW = (1 << 8)
-
-    def is_merged_block(self):
-        start = self.cursor
-        self.cursor = 0
-        version = self._read_le_uint32()
-        self.cursor = start
-        if version & self.VERSION_AUXPOW:
-            return True
-        return False
-
-    def read_header(self, height, static_header_size):
-        """Return the AuxPow block header bytes"""
-        start = self.cursor
-        version = self._read_le_uint32()
-        if version & self.VERSION_AUXPOW:
-            # We are going to calculate the block size then read it as bytes
-            self.cursor = start
-            self.cursor += static_header_size  # Block normal header
-            self.read_tx()  # AuxPow transaction
-            self.cursor += 32  # Parent block hash
-            merkle_size = self._read_varint()
-            self.cursor += 32 * merkle_size  # Merkle branch
-            self.cursor += 4  # Index
-            merkle_size = self._read_varint()
-            self.cursor += 32 * merkle_size  # Chain merkle branch
-            self.cursor += 4  # Chain index
-            self.cursor += 80  # Parent block header
-            header_end = self.cursor
-        else:
-            header_end = static_header_size
-        self.cursor = start
-        return self._read_nbytes(header_end)
-
-
-class DeserializerBitcoinAtom(DeserializerSegWit):
-    FORK_BLOCK_HEIGHT = 505888
-
-    def read_header(self, height, static_header_size):
-        """Return the block header bytes"""
-        header_len = static_header_size
-        if height >= self.FORK_BLOCK_HEIGHT:
-            header_len += 4  # flags
-        return self._read_nbytes(header_len)
-
-
-class DeserializerGroestlcoin(DeserializerSegWit):
-    TX_HASH_FN = staticmethod(sha256)
-
-
-class TxInputTokenPay(TxInput):
-    """Class representing a TokenPay transaction input."""
-
-    OP_ANON_MARKER = 0xb9
-    # 2byte marker (cpubkey + sigc + sigr)
-    MIN_ANON_IN_SIZE = 2 + (33 + 32 + 32)
-
-    def _is_anon_input(self):
-        return (len(self.script) >= self.MIN_ANON_IN_SIZE and
-                self.script[0] == OpCodes.OP_RETURN and
-                self.script[1] == self.OP_ANON_MARKER)
-
-    def is_generation(self):
-        # Transactions coming in from stealth addresses are seen by
-        # the blockchain as newly minted coins. The reverse, where coins
-        # are sent TO a stealth address, are seen by the blockchain as
-        # a coin burn.
-        if self._is_anon_input():
-            return True
-        return super().is_generation()
-
-
-class TxInputTokenPayStealth(
-        namedtuple("TxInput", "keyimage ringsize script sequence")):
-    """Class representing a TokenPay stealth transaction input."""
-
-    def __str__(self):
-        script = self.script.hex()
-        keyimage = bytes(self.keyimage).hex()
-        return (f"Input({keyimage}, {self.ringsize[1]:d}, script={script}, sequence={self.sequence:d})")
-
-    def is_generation(self):
-        return True
-
-    def serialize(self):
-        return b''.join((
-            self.keyimage,
-            self.ringsize,
-            pack_varbytes(self.script),
-            pack_le_uint32(self.sequence),
-        ))
-
-
-class DeserializerTokenPay(DeserializerTxTime):
-
-    def _read_input(self):
-        txin = TxInputTokenPay(
-            self._read_nbytes(32),   # prev_hash
-            self._read_le_uint32(),  # prev_idx
-            self._read_varbytes(),   # script
-            self._read_le_uint32(),  # sequence
-        )
-        if txin._is_anon_input():
-            # Not sure if this is actually needed, and seems
-            # extra work for no immediate benefit, but it at
-            # least correctly represents a stealth input
-            raw = txin.serialize()
-            deserializer = Deserializer(raw)
-            txin = TxInputTokenPayStealth(
-                deserializer._read_nbytes(33),  # keyimage
-                deserializer._read_nbytes(3),   # ringsize
-                deserializer._read_varbytes(),  # script
-                deserializer._read_le_uint32()  # sequence
-            )
-        return txin
-
-
-# Decred
-class TxInputDcr(namedtuple("TxInput", "prev_hash prev_idx tree sequence")):
-    """Class representing a Decred transaction input."""
-
-    def __str__(self):
-        prev_hash = hash_to_hex_str(self.prev_hash)
-        return (f"Input({prev_hash}, {self.prev_idx:d}, tree={self.tree}, sequence={self.sequence:d})")
-
-    def is_generation(self):
-        """Test if an input is generation/coinbase like"""
-        return self.prev_idx == MINUS_1 and self.prev_hash == ZERO
-
-
-class TxOutputDcr(namedtuple("TxOutput", "value version pk_script")):
-    """Class representing a Decred transaction output."""
-    pass
-
-
-class TxDcr(namedtuple("Tx", "version inputs outputs locktime expiry "
-                             "witness")):
-    """Class representing a Decred  transaction."""
-
-
-class DeserializerDecred(Deserializer):
-    @staticmethod
-    def blake256(data):
-        from blake256.blake256 import blake_hash
-        return blake_hash(data)
-
-    @staticmethod
-    def blake256d(data):
-        from blake256.blake256 import blake_hash
-        return blake_hash(blake_hash(data))
-
-    def read_tx(self):
-        return self._read_tx_parts(produce_hash=False)[0]
-
-    def read_tx_and_hash(self):
-        tx, tx_hash, vsize = self._read_tx_parts()
-        return tx, tx_hash
-
-    def read_tx_and_vsize(self):
-        tx, tx_hash, vsize = self._read_tx_parts(produce_hash=False)
-        return tx, vsize
-
-    def read_tx_block(self):
-        """Returns a list of (deserialized_tx, tx_hash) pairs."""
-        read = self.read_tx_and_hash
-        txs = [read() for _ in range(self._read_varint())]
-        stxs = [read() for _ in range(self._read_varint())]
-        return txs + stxs
-
-    def read_tx_tree(self):
-        """Returns a list of deserialized_tx without tx hashes."""
-        read_tx = self.read_tx
-        return [read_tx() for _ in range(self._read_varint())]
-
-    def _read_input(self):
-        return TxInputDcr(
-            self._read_nbytes(32),   # prev_hash
-            self._read_le_uint32(),  # prev_idx
-            self._read_byte(),       # tree
-            self._read_le_uint32(),  # sequence
-        )
-
-    def _read_output(self):
-        return TxOutputDcr(
-            self._read_le_int64(),  # value
-            self._read_le_uint16(),  # version
-            self._read_varbytes(),  # pk_script
-        )
-
-    def _read_witness(self, fields):
-        read_witness_field = self._read_witness_field
-        assert fields == self._read_varint()
-        return [read_witness_field() for _ in range(fields)]
-
-    def _read_witness_field(self):
-        value_in = self._read_le_int64()
-        block_height = self._read_le_uint32()
-        block_index = self._read_le_uint32()
-        script = self._read_varbytes()
-        return value_in, block_height, block_index, script
-
-    def _read_tx_parts(self, produce_hash=True):
-        start = self.cursor
-        version = self._read_le_int32()
-        inputs = self._read_inputs()
-        outputs = self._read_outputs()
-        locktime = self._read_le_uint32()
-        expiry = self._read_le_uint32()
-        end_prefix = self.cursor
-        witness = self._read_witness(len(inputs))
-
-        if produce_hash:
-            # TxSerializeNoWitness << 16 == 0x10000
-            no_witness_header = pack_le_uint32(0x10000 | (version & 0xffff))
-            prefix_tx = no_witness_header + self.binary[start+4:end_prefix]
-            tx_hash = self.blake256(prefix_tx)
-        else:
-            tx_hash = None
-
-        return TxDcr(
-            version,
-            inputs,
-            outputs,
-            locktime,
-            expiry,
-            witness
-        ), tx_hash, self.cursor - start

lbry/wallet/server/util.py

@@ -1,361 +0,0 @@
-# Copyright (c) 2016-2017, Neil Booth
-#
-# All rights reserved.
-#
-# The MIT License (MIT)
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-# and warranty status of this software.
-
-"""Miscellaneous utility classes and functions."""
-
-
-import array
-import inspect
-from ipaddress import ip_address
-import logging
-import re
-import sys
-from collections import Container, Mapping
-from struct import pack, Struct
-
-# Logging utilities
-
-
-class ConnectionLogger(logging.LoggerAdapter):
-    """Prepends a connection identifier to a logging message."""
-    def process(self, msg, kwargs):
-        conn_id = self.extra.get('conn_id', 'unknown')
-        return f'[{conn_id}] {msg}', kwargs
-
-
-class CompactFormatter(logging.Formatter):
-    """Strips the module from the logger name to leave the class only."""
-    def format(self, record):
-        record.name = record.name.rpartition('.')[-1]
-        return super().format(record)
-
-
-def make_logger(name, *, handler, level):
-    """Return the root ElectrumX logger."""
-    logger = logging.getLogger(name)
-    logger.addHandler(handler)
-    logger.setLevel(logging.INFO)
-    logger.propagate = False
-    return logger
-
-
-def class_logger(path, classname):
-    """Return a hierarchical logger for a class."""
-    return logging.getLogger(path).getChild(classname)
-
-
-# Method decorator.  To be used for calculations that will always
-# deliver the same result.  The method cannot take any arguments
-# and should be accessed as an attribute.
-class cachedproperty:
-
-    def __init__(self, f):
-        self.f = f
-
-    def __get__(self, obj, type):
-        obj = obj or type
-        value = self.f(obj)
-        setattr(obj, self.f.__name__, value)
-        return value
-
-
-def formatted_time(t, sep=' '):
-    """Return a number of seconds as a string in days, hours, mins and
-    maybe secs."""
-    t = int(t)
-    fmts = (('{:d}d', 86400), ('{:02d}h', 3600), ('{:02d}m', 60))
-    parts = []
-    for fmt, n in fmts:
-        val = t // n
-        if parts or val:
-            parts.append(fmt.format(val))
-        t %= n
-    if len(parts) < 3:
-        parts.append(f'{t:02d}s')
-    return sep.join(parts)
-
-
-def deep_getsizeof(obj):
-    """Find the memory footprint of a Python object.
-
-    Based on code from code.tutsplus.com: http://goo.gl/fZ0DXK
-
-    This is a recursive function that drills down a Python object graph
-    like a dictionary holding nested dictionaries with lists of lists
-    and tuples and sets.
-
-    The sys.getsizeof function does a shallow size of only. It counts each
-    object inside a container as pointer only regardless of how big it
-    really is.
-    """
-
-    ids = set()
-
-    def size(o):
-        if id(o) in ids:
-            return 0
-
-        r = sys.getsizeof(o)
-        ids.add(id(o))
-
-        if isinstance(o, (str, bytes, bytearray, array.array)):
-            return r
-
-        if isinstance(o, Mapping):
-            return r + sum(size(k) + size(v) for k, v in o.items())
-
-        if isinstance(o, Container):
-            return r + sum(size(x) for x in o)
-
-        return r
-
-    return size(obj)
-
-
-def subclasses(base_class, strict=True):
-    """Return a list of subclasses of base_class in its module."""
-    def select(obj):
-        return (inspect.isclass(obj) and issubclass(obj, base_class) and
-                (not strict or obj != base_class))
-
-    pairs = inspect.getmembers(sys.modules[base_class.__module__], select)
-    return [pair[1] for pair in pairs]
-
-
-def chunks(items, size):
-    """Break up items, an iterable, into chunks of length size."""
-    for i in range(0, len(items), size):
-        yield items[i: i + size]
-
-
-def resolve_limit(limit):
-    if limit is None:
-        return -1
-    assert isinstance(limit, int) and limit >= 0
-    return limit
-
-
-def bytes_to_int(be_bytes):
-    """Interprets a big-endian sequence of bytes as an integer"""
-    return int.from_bytes(be_bytes, 'big')
-
-
-def int_to_bytes(value):
-    """Converts an integer to a big-endian sequence of bytes"""
-    return value.to_bytes((value.bit_length() + 7) // 8, 'big')
-
-
-def increment_byte_string(bs):
-    """Return the lexicographically next byte string of the same length.
-
-    Return None if there is none (when the input is all 0xff bytes)."""
-    for n in range(1, len(bs) + 1):
-        if bs[-n] != 0xff:
-            return bs[:-n] + bytes([bs[-n] + 1]) + bytes(n - 1)
-    return None
-
-
-class LogicalFile:
-    """A logical binary file split across several separate files on disk."""
-
-    def __init__(self, prefix, digits, file_size):
-        digit_fmt = f'{{:0{digits:d}d}}'
-        self.filename_fmt = prefix + digit_fmt
-        self.file_size = file_size
-
-    def read(self, start, size=-1):
-        """Read up to size bytes from the virtual file, starting at offset
-        start, and return them.
-
-        If size is -1 all bytes are read."""
-        parts = []
-        while size != 0:
-            try:
-                with self.open_file(start, False) as f:
-                    part = f.read(size)
-                if not part:
-                    break
-            except FileNotFoundError:
-                break
-            parts.append(part)
-            start += len(part)
-            if size > 0:
-                size -= len(part)
-        return b''.join(parts)
-
-    def write(self, start, b):
-        """Write the bytes-like object, b, to the underlying virtual file."""
-        while b:
-            size = min(len(b), self.file_size - (start % self.file_size))
-            with self.open_file(start, True) as f:
-                f.write(b if size == len(b) else b[:size])
-            b = b[size:]
-            start += size
-
-    def open_file(self, start, create):
-        """Open the virtual file and seek to start.  Return a file handle.
-        Raise FileNotFoundError if the file does not exist and create
-        is False.
-        """
-        file_num, offset = divmod(start, self.file_size)
-        filename = self.filename_fmt.format(file_num)
-        f = open_file(filename, create)
-        f.seek(offset)
-        return f
-
-
-def open_file(filename, create=False):
-    """Open the file name.  Return its handle."""
-    try:
-        return open(filename, 'rb+')
-    except FileNotFoundError:
-        if create:
-            return open(filename, 'wb+')
-        raise
-
-
-def open_truncate(filename):
-    """Open the file name.  Return its handle."""
-    return open(filename, 'wb+')
-
-
-def address_string(address):
-    """Return an address as a correctly formatted string."""
-    fmt = '{}:{:d}'
-    host, port = address
-    try:
-        host = ip_address(host)
-    except ValueError:
-        pass
-    else:
-        if host.version == 6:
-            fmt = '[{}]:{:d}'
-    return fmt.format(host, port)
-
-# See http://stackoverflow.com/questions/2532053/validate-a-hostname-string
-# Note underscores are valid in domain names, but strictly invalid in host
-# names.  We ignore that distinction.
-
-
-SEGMENT_REGEX = re.compile("(?!-)[A-Z_\\d-]{1,63}(?<!-)$", re.IGNORECASE)
-
-
-def is_valid_hostname(hostname):
-    if len(hostname) > 255:
-        return False
-    # strip exactly one dot from the right, if present
-    if hostname and hostname[-1] == ".":
-        hostname = hostname[:-1]
-    return all(SEGMENT_REGEX.match(x) for x in hostname.split("."))
-
-
-def protocol_tuple(s):
-    """Converts a protocol version number, such as "1.0" to a tuple (1, 0).
-
-    If the version number is bad, (0, ) indicating version 0 is returned."""
-    try:
-        return tuple(int(part) for part in s.split('.'))
-    except Exception:
-        return (0, )
-
-
-def version_string(ptuple):
-    """Convert a version tuple such as (1, 2) to "1.2".
-    There is always at least one dot, so (1, ) becomes "1.0"."""
-    while len(ptuple) < 2:
-        ptuple += (0, )
-    return '.'.join(str(p) for p in ptuple)
-
-
-def protocol_version(client_req, min_tuple, max_tuple):
-    """Given a client's protocol version string, return a pair of
-    protocol tuples:
-
-           (negotiated version, client min request)
-
-    If the request is unsupported, the negotiated protocol tuple is
-    None.
-    """
-    if client_req is None:
-        client_min = client_max = min_tuple
-    else:
-        if isinstance(client_req, list) and len(client_req) == 2:
-            client_min, client_max = client_req
-        else:
-            client_min = client_max = client_req
-        client_min = protocol_tuple(client_min)
-        client_max = protocol_tuple(client_max)
-
-    result = min(client_max, max_tuple)
-    if result < max(client_min, min_tuple) or result == (0, ):
-        result = None
-
-    return result, client_min
-
-
-struct_le_i = Struct('<i')
-struct_le_q = Struct('<q')
-struct_le_H = Struct('<H')
-struct_le_I = Struct('<I')
-struct_le_Q = Struct('<Q')
-struct_be_H = Struct('>H')
-struct_be_I = Struct('>I')
-structB = Struct('B')
-
-unpack_le_int32_from = struct_le_i.unpack_from
-unpack_le_int64_from = struct_le_q.unpack_from
-unpack_le_uint16_from = struct_le_H.unpack_from
-unpack_le_uint32_from = struct_le_I.unpack_from
-unpack_le_uint64_from = struct_le_Q.unpack_from
-unpack_be_uint16_from = struct_be_H.unpack_from
-unpack_be_uint32_from = struct_be_I.unpack_from
-
-unpack_be_uint64 = lambda x: int.from_bytes(x, byteorder='big')
-
-pack_le_int32 = struct_le_i.pack
-pack_le_int64 = struct_le_q.pack
-pack_le_uint16 = struct_le_H.pack
-pack_le_uint32 = struct_le_I.pack
-pack_be_uint64 = lambda x: x.to_bytes(8, byteorder='big')
-pack_be_uint16 = lambda x: x.to_bytes(2, byteorder='big')
-pack_be_uint32 = struct_be_I.pack
-pack_byte = structB.pack
-
-hex_to_bytes = bytes.fromhex
-
-
-def pack_varint(n):
-    if n < 253:
-        return pack_byte(n)
-    if n < 65536:
-        return pack_byte(253) + pack_le_uint16(n)
-    if n < 4294967296:
-        return pack_byte(254) + pack_le_uint32(n)
-    return pack_byte(255) + pack_le_uint64(n)
-
-
-def pack_varbytes(data):
-    return pack_varint(len(data)) + data

lbry/wallet/server/version.py

@@ -1,3 +0,0 @@
-# need this to avoid circular import
-PROTOCOL_MIN = (0, 54, 0)
-PROTOCOL_MAX = (0, 199, 0)

lbry/wallet/server/websocket.py

@@ -1,55 +0,0 @@
-import asyncio
-from weakref import WeakSet
-
-from aiohttp.web import Application, AppRunner, WebSocketResponse, TCPSite
-from aiohttp.http_websocket import WSMsgType, WSCloseCode
-
-
-class AdminWebSocket:
-
-    def __init__(self, manager):
-        self.manager = manager
-        self.app = Application()
-        self.app['websockets'] = WeakSet()
-        self.app.router.add_get('/', self.on_connect)
-        self.app.on_shutdown.append(self.on_shutdown)
-        self.runner = AppRunner(self.app)
-
-    async def on_status(self, _):
-        if not self.app['websockets']:
-            return
-        self.send_message({
-            'type': 'status',
-            'height': self.manager.daemon.cached_height(),
-        })
-
-    def send_message(self, msg):
-        for web_socket in self.app['websockets']:
-            asyncio.create_task(web_socket.send_json(msg))
-
-    async def start(self):
-        await self.runner.setup()
-        await TCPSite(self.runner, self.manager.env.websocket_host, self.manager.env.websocket_port).start()
-
-    async def stop(self):
-        await self.runner.cleanup()
-
-    async def on_connect(self, request):
-        web_socket = WebSocketResponse()
-        await web_socket.prepare(request)
-        self.app['websockets'].add(web_socket)
-        try:
-            async for msg in web_socket:
-                if msg.type == WSMsgType.TEXT:
-                    await self.on_status(None)
-                elif msg.type == WSMsgType.ERROR:
-                    print('web socket connection closed with exception %s' %
-                          web_socket.exception())
-        finally:
-            self.app['websockets'].discard(web_socket)
-        return web_socket
-
-    @staticmethod
-    async def on_shutdown(app):
-        for web_socket in set(app['websockets']):
-            await web_socket.close(code=WSCloseCode.GOING_AWAY, message='Server shutdown')

lbry/wallet/transaction.py

@@ -145,6 +145,14 @@ class Input(InputOutput):
         script = InputScript.redeem_pubkey_hash(cls.NULL_SIGNATURE, cls.NULL_PUBLIC_KEY)
         return cls(txo.ref, script)
 
+    @classmethod
+    def spend_time_lock(cls, txo: 'Output', script_source: bytes) -> 'Input':
+        """ Create an input to spend time lock script."""
+        script = InputScript.redeem_time_lock_script_hash(
+            cls.NULL_SIGNATURE, cls.NULL_PUBLIC_KEY, script_source=script_source
+        )
+        return cls(txo.ref, script)
+
     @property
     def amount(self) -> int:
         """ Amount this input adds to the transaction. """
@@ -710,6 +718,9 @@ class Transaction:
         stream.write_compact_size(len(self._inputs))
         for i, txin in enumerate(self._inputs):
             if signing_input == i:
+                if txin.script.is_script_hash:
+                    txin.serialize_to(stream, txin.script.values['script'].source)
+                else:
                     assert txin.txo_ref.txo is not None
                     txin.serialize_to(stream, txin.txo_ref.txo.script.source)
             else:
@@ -854,16 +865,19 @@ class Transaction:
     def signature_hash_type(hash_type):
         return hash_type
 
-    async def sign(self, funding_accounts: Iterable['Account']):
+    async def sign(self, funding_accounts: Iterable['Account'], extra_keys: dict = None):
         self._reset()
         ledger, wallet = self.ensure_all_have_same_ledger_and_wallet(funding_accounts)
         for i, txi in enumerate(self._inputs):
             assert txi.script is not None
             assert txi.txo_ref.txo is not None
             txo_script = txi.txo_ref.txo.script
-            if txo_script.is_pay_pubkey_hash:
+            if txo_script.is_pay_pubkey_hash or txo_script.is_pay_script_hash:
-                address = ledger.hash160_to_address(txo_script.values['pubkey_hash'])
+                if 'pubkey_hash' in txo_script.values:
+                    address = ledger.hash160_to_address(txo_script.values.get('pubkey_hash', ''))
                     private_key = await ledger.get_private_key_for_address(wallet, address)
+                else:
+                    private_key = next(iter(extra_keys.values()))
                 assert private_key is not None, 'Cannot find private key for signing output.'
                 tx = self._serialize_for_signature(i)
                 txi.script.values['signature'] = \
@@ -937,6 +951,15 @@ class Transaction:
         data = Output.add_purchase_data(Purchase(claim_id))
         return cls.create([], [payment, data], funding_accounts, change_account)
 
+    @classmethod
+    async def spend_time_lock(cls, time_locked_txo: Output, script: bytes, account: 'Account'):
+        txi = Input.spend_time_lock(time_locked_txo, script)
+        txi.sequence = 0xFFFFFFFE
+        tx = await cls.create([txi], [], [account], account, sign=False)
+        tx.locktime = txi.script.values['script'].values['height']
+        tx._reset()
+        return tx
+
     @property
     def my_inputs(self):
         for txi in self.inputs:

lbry/wallet/udp.py

@@ -23,7 +23,7 @@ class SPVPing(NamedTuple):
     pad_bytes: bytes
 
     def encode(self):
-        return struct.pack(b'!lB64s', *self)
+        return struct.pack(b'!lB64s', *self)  # pylint: disable=not-an-iterable
 
     @staticmethod
     def make() -> bytes:
@@ -49,7 +49,7 @@ class SPVPong(NamedTuple):
     country: int
 
     def encode(self):
-        return struct.pack(PONG_ENCODING, *self)
+        return struct.pack(PONG_ENCODING, *self)  # pylint: disable=not-an-iterable
 
     @staticmethod
     def encode_address(address: str):
@@ -110,6 +110,7 @@ class SPVServerStatusProtocol(asyncio.DatagramProtocol):
         self._min_delay = 1 / throttle_reqs_per_sec
         self._allow_localhost = allow_localhost
         self._allow_lan = allow_lan
+        self.closed = asyncio.Event()
 
     def update_cached_response(self):
         self._left_cache, self._right_cache = SPVPong.make_sans_source_address(
@@ -160,13 +161,16 @@ class SPVServerStatusProtocol(asyncio.DatagramProtocol):
 
     def connection_made(self, transport) -> None:
         self.transport = transport
+        self.closed.clear()
 
     def connection_lost(self, exc: Optional[Exception]) -> None:
         self.transport = None
+        self.closed.set()
 
-    def close(self):
+    async def close(self):
         if self.transport:
             self.transport.close()
+        await self.closed.wait()
 
 
 class StatusServer:
@@ -184,9 +188,9 @@ class StatusServer:
         await loop.create_datagram_endpoint(lambda: self._protocol, (interface, port))
         log.info("started udp status server on %s:%i", interface, port)
 
-    def stop(self):
+    async def stop(self):
         if self.is_running:
-            self._protocol.close()
+            await self._protocol.close()
             self._protocol = None
 
     @property

lbry/wallet/usage_payment.py

@@ -2,6 +2,7 @@ import asyncio
 import logging
 
 from lbry.error import (
+    InsufficientFundsError,
     ServerPaymentFeeAboveMaxAllowedError,
     ServerPaymentInvalidAddressError,
     ServerPaymentWalletLockedError
@@ -24,41 +25,66 @@ class WalletServerPayer:
         self.max_fee = max_fee
         self._on_payment_controller = StreamController()
         self.on_payment = self._on_payment_controller.stream
-        self.on_payment.listen(None, on_error=lambda e: logging.warning(e.args[0]))
+        self.on_payment.listen(None, on_error=lambda e: log.warning(e.args[0]))
 
     async def pay(self):
+        while self.running:
+            try:
+                await self._pay()
+            except (asyncio.TimeoutError, ConnectionError):
+                if not self.running:
+                    break
+                delay = max(self.payment_period / 24, 10)
+                log.warning("Payement failed. Will retry after %g seconds.", delay)
+                asyncio.sleep(delay)
+            except BaseException as e:
+                if not isinstance(e, asyncio.CancelledError):
+                    log.exception("Unexpected exception. Payment task exiting early.")
+                self.running = False
+                raise
+
+    async def _pay(self):
         while self.running:
             await asyncio.sleep(self.payment_period)
-            features = await self.ledger.network.retriable_call(self.ledger.network.get_server_features)
+            features = await self.ledger.network.get_server_features()
+            log.debug("pay loop: received server features: %s", str(features))
             address = features['payment_address']
             amount = str(features['daily_fee'])
             if not address or not amount:
+                log.debug("pay loop: no address or no amount")
                 continue
 
             if not self.ledger.is_pubkey_address(address):
+                log.info("pay loop: address not pubkey")
                 self._on_payment_controller.add_error(ServerPaymentInvalidAddressError(address))
                 continue
 
             if self.wallet.is_locked:
+                log.info("pay loop: wallet is locked")
                 self._on_payment_controller.add_error(ServerPaymentWalletLockedError())
                 continue
 
             amount = lbc_to_dewies(features['daily_fee'])  # check that this is in lbc and not dewies
             limit = lbc_to_dewies(self.max_fee)
             if amount > limit:
+                log.info("pay loop: amount (%d) > limit (%d)", amount, limit)
                 self._on_payment_controller.add_error(
                     ServerPaymentFeeAboveMaxAllowedError(features['daily_fee'], self.max_fee)
                 )
                 continue
 
+            try:
                 tx = await Transaction.create(
                     [],
                     [Output.pay_pubkey_hash(amount, self.ledger.address_to_hash160(address))],
                     self.wallet.get_accounts_or_all(None),
                     self.wallet.get_account_or_default(None)
                 )
+            except InsufficientFundsError:
+                self._on_payment_controller.add_error(InsufficientFundsError())
+                continue
 
-            await self.ledger.broadcast(tx)
+            await self.ledger.broadcast_or_release(tx, blocking=True)
             if self.analytics_manager:
                 await self.analytics_manager.send_credits_sent()
             self._on_payment_controller.add(tx)
@@ -70,7 +96,18 @@ class WalletServerPayer:
         self.wallet = wallet
         self.running = True
         self.task = asyncio.ensure_future(self.pay())
-        self.task.add_done_callback(lambda _: log.info("Stopping wallet server payments."))
+        self.task.add_done_callback(self._done_callback)
+
+    def _done_callback(self, f):
+        if f.cancelled():
+            reason = "Cancelled"
+        elif f.exception():
+            reason = f'Exception: {f.exception()}'
+        elif not self.running:
+            reason = "Stopped"
+        else:
+            reason = ""
+        log.info("Stopping wallet server payments. %s", reason)
 
     async def stop(self):
         if self.running:

lbry/wallet/wallet.py

@@ -10,6 +10,7 @@ from collections import UserDict
 from hashlib import sha256
 from operator import attrgetter
 from lbry.crypto.crypt import better_aes_encrypt, better_aes_decrypt
+from lbry.error import InvalidPasswordError
 from .account import Account
 
 if typing.TYPE_CHECKING:
@@ -138,6 +139,10 @@ class Wallet:
             'accounts': [a.to_dict(encrypt_password) for a in self.accounts]
         }
 
+    def to_json(self):
+        assert not self.is_locked, "Cannot serialize a wallet with locked/encrypted accounts."
+        return json.dumps(self.to_dict())
+
     def save(self):
         if self.preferences.get(ENCRYPT_ON_DISK, False):
             if self.encryption_password is not None:
@@ -164,20 +169,31 @@ class Wallet:
 
     def pack(self, password):
         assert not self.is_locked, "Cannot pack a wallet with locked/encrypted accounts."
-        new_data = json.dumps(self.to_dict())
+        new_data_compressed = zlib.compress(self.to_json().encode())
-        new_data_compressed = zlib.compress(new_data.encode())
         return better_aes_encrypt(password, new_data_compressed)
 
     @classmethod
     def unpack(cls, password, encrypted):
         decrypted = better_aes_decrypt(password, encrypted)
+        try:
             decompressed = zlib.decompress(decrypted)
+        except zlib.error as e:
+            if "incorrect header check" in e.args[0].lower():
+                raise InvalidPasswordError()
+            if "unknown compression method" in e.args[0].lower():
+                raise InvalidPasswordError()
+            if "invalid window size" in e.args[0].lower():
+                raise InvalidPasswordError()
+            raise
         return json.loads(decompressed)
 
     def merge(self, manager: 'WalletManager',
-              password: str, data: str) -> List['Account']:
+              password: str, data: str) -> (List['Account'], List['Account']):
         assert not self.is_locked, "Cannot sync apply on a locked wallet."
-        added_accounts = []
+        added_accounts, merged_accounts = [], []
+        if password is None:
+            decrypted_data = json.loads(data)
+        else:
             decrypted_data = self.unpack(password, data)
         self.preferences.merge(decrypted_data.get('preferences', {}))
         for account_dict in decrypted_data['accounts']:
@@ -191,10 +207,11 @@ class Wallet:
                     break
             if local_match is not None:
                 local_match.merge(account_dict)
+                merged_accounts.append(local_match)
             else:
                 new_account = Account.from_dict(ledger, self, account_dict)
                 added_accounts.append(new_account)
-        return added_accounts
+        return added_accounts, merged_accounts
 
     @property
     def is_locked(self) -> bool:

scripts/checktrie.py

@@ -40,22 +40,17 @@ def checkrecord(record, expected_winner, expected_claim):
 
 
 async def checkcontrolling(daemon: Daemon, db: SQLDB):
-    records, claim_ids, names, futs = [], [], [], []
+    records, names, futs = [], [], []
     for record in db.get_claims('claimtrie.claim_hash as is_controlling, claim.*', is_controlling=True):
         records.append(record)
         claim_id = hex_reverted(record['claim_hash'])
-        claim_ids.append((claim_id,))
+        names.append((record['normalized'], (claim_id,), "", True))  # last parameter is IncludeValues
-        names.append((record['normalized'],))
         if len(names) > 50000:
-            futs.append(daemon._send_vector('getvalueforname', names[:]))
+            futs.append(daemon._send_vector('getclaimsfornamebyid', names))
-            futs.append(daemon._send_vector('getclaimbyid', claim_ids[:]))
             names.clear()
-            claim_ids.clear()
     if names:
-        futs.append(daemon._send_vector('getvalueforname', names[:]))
+        futs.append(daemon._send_vector('getclaimsfornamebyid', names))
-        futs.append(daemon._send_vector('getclaimbyid', claim_ids[:]))
         names.clear()
-        claim_ids.clear()
 
     while futs:
         winners, claims = futs.pop(0), futs.pop(0)

scripts/dht_crawler.py

@@ -0,0 +1,520 @@
+import sys
+import datetime
+import logging
+import asyncio
+import os.path
+import random
+import time
+import typing
+from dataclasses import dataclass, astuple, replace
+
+from aiohttp import web
+from prometheus_client import Gauge, generate_latest as prom_generate_latest, Counter, Histogram
+
+import lbry.dht.error
+from lbry.dht.constants import generate_id
+from lbry.dht.node import Node
+from lbry.dht.peer import make_kademlia_peer, PeerManager, decode_tcp_peer_from_compact_address
+from lbry.dht.protocol.distance import Distance
+from lbry.dht.protocol.iterative_find import FindValueResponse, FindNodeResponse, FindResponse
+from lbry.extras.daemon.storage import SQLiteMixin
+from lbry.conf import Config
+from lbry.utils import resolve_host
+
+
+logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)-4s %(name)s:%(lineno)d: %(message)s")
+log = logging.getLogger(__name__)
+
+
+class SDHashSamples:
+    def __init__(self, samples_file_path):
+        with open(samples_file_path, "rb") as sample_file:
+            self._samples = sample_file.read()
+        assert len(self._samples) % 48 == 0
+        self.size = len(self._samples) // 48
+
+    def read_samples(self, count=1):
+        for _ in range(count):
+            offset = 48 * random.randrange(0, self.size)
+            yield self._samples[offset:offset + 48]
+
+
+class PeerStorage(SQLiteMixin):
+    CREATE_TABLES_QUERY = """
+    PRAGMA JOURNAL_MODE=WAL;
+    CREATE TABLE IF NOT EXISTS peer (
+        peer_id INTEGER NOT NULL,
+        node_id VARCHAR(96),
+        address VARCHAR,
+        udp_port INTEGER,
+        tcp_port INTEGER,
+        first_online DATETIME,
+        errors INTEGER,
+        last_churn INTEGER,
+        added_on DATETIME NOT NULL,
+        last_check DATETIME,
+        last_seen DATETIME,
+        latency INTEGER,
+        PRIMARY KEY (peer_id)
+    );
+    CREATE TABLE IF NOT EXISTS connection (
+        from_peer_id INTEGER NOT NULL,
+        to_peer_id INTEGER NOT NULL,
+        PRIMARY KEY (from_peer_id, to_peer_id),
+        FOREIGN KEY(from_peer_id) REFERENCES peer (peer_id),
+        FOREIGN KEY(to_peer_id) REFERENCES peer (peer_id)
+    );
+"""
+
+    async def open(self):
+        await super().open()
+        self.db.writer_connection.row_factory = dict_row_factory
+
+    async def all_peers(self):
+        return [
+            DHTPeer(**peer) for peer in await self.db.execute_fetchall(
+                "select * from peer where latency > 0 or last_seen > datetime('now', '-1 hour')")
+        ]
+
+    async def save_peers(self, *peers):
+        log.info("Saving graph nodes (peers) to DB")
+        await self.db.executemany(
+            "INSERT OR REPLACE INTO peer("
+            "node_id, address, udp_port, tcp_port, first_online, errors, last_churn,"
+            "added_on, last_check, last_seen, latency, peer_id) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)",
+            [astuple(peer) for peer in peers]
+        )
+        log.info("Finished saving graph nodes (peers) to DB")
+
+    async def save_connections(self, connections_map):
+        log.info("Saving graph edges (connections) to DB")
+        await self.db.executemany(
+            "DELETE FROM connection WHERE from_peer_id = ?", [(key,) for key in connections_map])
+        for from_peer_id in connections_map:
+            await self.db.executemany(
+                "INSERT INTO connection(from_peer_id, to_peer_id) VALUES(?,?)",
+                [(from_peer_id, to_peer_id) for to_peer_id in connections_map[from_peer_id]])
+        log.info("Finished saving graph edges (connections) to DB")
+
+
+@dataclass(frozen=True)
+class DHTPeer:
+    node_id: str
+    address: str
+    udp_port: int
+    tcp_port: int = None
+    first_online: datetime.datetime = None
+    errors: int = None
+    last_churn: int = None
+    added_on: datetime.datetime = None
+    last_check: datetime.datetime = None
+    last_seen: datetime.datetime = None
+    latency: int = None
+    peer_id: int = None
+
+    @classmethod
+    def from_kad_peer(cls, peer, peer_id):
+        node_id = peer.node_id.hex() if peer.node_id else None
+        return DHTPeer(
+            node_id=node_id, address=peer.address, udp_port=peer.udp_port, tcp_port=peer.tcp_port,
+            peer_id=peer_id, added_on=datetime.datetime.utcnow())
+
+    def to_kad_peer(self):
+        node_id = bytes.fromhex(self.node_id) if self.node_id else None
+        return make_kademlia_peer(node_id, self.address, self.udp_port, self.tcp_port)
+
+
+def new_node(address="0.0.0.0", udp_port=0, node_id=None):
+    node_id = node_id or generate_id()
+    loop = asyncio.get_event_loop()
+    return Node(loop, PeerManager(loop), node_id, udp_port, udp_port, 3333, address)
+
+
+class Crawler:
+    unique_total_hosts_metric = Gauge(
+        "unique_total_hosts", "Number of unique hosts seen in the last interval", namespace="dht_crawler_node",
+    )
+    reachable_hosts_metric = Gauge(
+        "reachable_hosts", "Number of hosts that replied in the last interval", namespace="dht_crawler_node",
+    )
+    total_historic_hosts_metric = Gauge(
+        "history_total_hosts", "Number of hosts seen since first run.", namespace="dht_crawler_node",
+    )
+    pending_check_hosts_metric = Gauge(
+        "pending_hosts", "Number of hosts on queue to be checked.", namespace="dht_crawler_node",
+    )
+    hosts_with_errors_metric = Gauge(
+        "error_hosts", "Number of hosts that raised errors during contact.", namespace="dht_crawler_node",
+    )
+    ROUTING_TABLE_SIZE_HISTOGRAM_BUCKETS = tuple(map(float, range(100))) + (
+        500., 1000., 2000., float('inf')
+    )
+    connections_found_metric = Histogram(
+        "connections_found", "Number of hosts returned by the last successful contact.", namespace="dht_crawler_node",
+        buckets=ROUTING_TABLE_SIZE_HISTOGRAM_BUCKETS
+    )
+    known_connections_found_metric = Histogram(
+        "known_connections_found", "Number of already known hosts returned by last contact.",
+        namespace="dht_crawler_node", buckets=ROUTING_TABLE_SIZE_HISTOGRAM_BUCKETS
+    )
+    reachable_connections_found_metric = Histogram(
+        "reachable_connections_found", "Number of reachable known hosts returned by last contact.",
+        namespace="dht_crawler_node", buckets=ROUTING_TABLE_SIZE_HISTOGRAM_BUCKETS
+    )
+    LATENCY_HISTOGRAM_BUCKETS = (
+        0., 5., 10., 15., 30., 60., 120., 180., 240., 300., 600., 1200., 1800., 4000., 6000., float('inf')
+    )
+    host_latency_metric = Histogram(
+        "host_latency", "Time spent on the last request, in milliseconds.", namespace="dht_crawler_node",
+        buckets=LATENCY_HISTOGRAM_BUCKETS
+    )
+    probed_streams_metric = Counter(
+        "probed_streams", "Amount of streams probed.", namespace="dht_crawler_node",
+    )
+    announced_streams_metric = Counter(
+        "announced_streams", "Amount of streams where announcements were found.", namespace="dht_crawler_node",
+    )
+    working_streams_metric = Counter(
+        "working_streams", "Amount of streams with reachable hosts.", namespace="dht_crawler_node",
+    )
+
+    def __init__(self, db_path: str, sd_hash_samples: SDHashSamples):
+        self.node = new_node()
+        self.db = PeerStorage(db_path)
+        self.sd_hashes = sd_hash_samples
+        self._memory_peers = {}
+        self._reachable_by_node_id = {}
+        self._connections = {}
+
+    async def open(self):
+        await self.db.open()
+        self._memory_peers = {
+            (peer.address, peer.udp_port): peer for peer in await self.db.all_peers()
+        }
+        self.refresh_reachable_set()
+
+    def refresh_reachable_set(self):
+        self._reachable_by_node_id = {
+            bytes.fromhex(peer.node_id): peer for peer in self._memory_peers.values() if (peer.latency or 0) > 0
+        }
+
+    async def probe_files(self):
+        if not self.sd_hashes:
+            return
+        while True:
+            for sd_hash in self.sd_hashes.read_samples(10_000):
+                self.refresh_reachable_set()
+                distance = Distance(sd_hash)
+                node_ids = list(self._reachable_by_node_id.keys())
+                node_ids.sort(key=lambda node_id: distance(node_id))
+                k_closest = [self._reachable_by_node_id[node_id] for node_id in node_ids[:8]]
+                found = False
+                working = False
+                for response in asyncio.as_completed(
+                        [self.request_peers(peer.address, peer.udp_port, peer.node_id, sd_hash) for peer in k_closest]):
+                    response = await response
+                    if response and response.found:
+                        found = True
+                        blob_peers = []
+                        for compact_addr in response.found_compact_addresses:
+                            try:
+                                blob_peers.append(decode_tcp_peer_from_compact_address(compact_addr))
+                            except ValueError as e:
+                                log.error("Error decoding compact peers: %s", e)
+                        for blob_peer in blob_peers:
+                            response = await self.request_peers(blob_peer.address, blob_peer.tcp_port, blob_peer.node_id, sd_hash)
+                            if response:
+                                working = True
+                                log.info("Found responsive peer for %s: %s:%d(%d)",
+                                         sd_hash.hex()[:8], blob_peer.address,
+                                         blob_peer.udp_port or -1, blob_peer.tcp_port or -1)
+                            else:
+                                log.info("Found dead peer for %s: %s:%d(%d)",
+                                         sd_hash.hex()[:8], blob_peer.address,
+                                         blob_peer.udp_port or -1, blob_peer.tcp_port or -1)
+                self.probed_streams_metric.inc()
+                if found:
+                    self.announced_streams_metric.inc()
+                if working:
+                    self.working_streams_metric.inc()
+                log.info("Done querying stream %s for peers. Found: %s, working: %s", sd_hash.hex()[:8], found, working)
+                await asyncio.sleep(.5)
+
+    @property
+    def refresh_limit(self):
+        return datetime.datetime.utcnow() - datetime.timedelta(hours=1)
+
+    @property
+    def all_peers(self):
+        return [
+            peer for peer in self._memory_peers.values()
+            if (peer.last_seen and peer.last_seen > self.refresh_limit) or (peer.latency or 0) > 0
+        ]
+
+    @property
+    def active_peers_count(self):
+        return len(self.all_peers)
+
+    @property
+    def checked_peers_count(self):
+        return len([peer for peer in self.all_peers if peer.last_check and peer.last_check > self.refresh_limit])
+
+    @property
+    def unreachable_peers_count(self):
+        return len([peer for peer in self.all_peers
+                    if peer.last_check and peer.last_check > self.refresh_limit and not peer.latency])
+
+    @property
+    def peers_with_errors_count(self):
+        return len([peer for peer in self.all_peers if (peer.errors or 0) > 0])
+
+    def get_peers_needing_check(self):
+        to_check = [peer for peer in self.all_peers if peer.last_check is None or peer.last_check < self.refresh_limit]
+        return to_check
+
+    def remove_expired_peers(self):
+        for key, peer in list(self._memory_peers.items()):
+            if (peer.latency or 0) < 1 and peer.last_seen < self.refresh_limit:
+                del self._memory_peers[key]
+
+    def add_peers(self, *peers):
+        for peer in peers:
+            db_peer = self.get_from_peer(peer)
+            if db_peer and db_peer.node_id is None and peer.node_id is not None:
+                db_peer = replace(db_peer, node_id=peer.node_id.hex())
+            elif not db_peer:
+                db_peer = DHTPeer.from_kad_peer(peer, len(self._memory_peers) + 1)
+            db_peer = replace(db_peer, last_seen=datetime.datetime.utcnow())
+            self._memory_peers[(peer.address, peer.udp_port)] = db_peer
+
+    async def flush_to_db(self):
+        await self.db.save_peers(*self._memory_peers.values())
+        connections_to_save = self._connections
+        self._connections = {}
+        # await self.db.save_connections(connections_to_save)  heavy call
+        self.remove_expired_peers()
+
+    def get_from_peer(self, peer):
+        return self._memory_peers.get((peer.address, peer.udp_port), None)
+
+    def set_latency(self, peer, latency=None):
+        if latency:
+            self.host_latency_metric.observe(latency / 1_000_000.0)
+        db_peer = self.get_from_peer(peer)
+        if not db_peer:
+            return
+        db_peer = replace(db_peer, latency=latency)
+        if not db_peer.node_id and peer.node_id:
+            db_peer = replace(db_peer, node_id=peer.node_id.hex())
+        if db_peer.first_online and latency is None:
+            db_peer = replace(db_peer, last_churn=(datetime.datetime.utcnow() - db_peer.first_online).seconds)
+        elif latency is not None and db_peer.first_online is None:
+            db_peer = replace(db_peer, first_online=datetime.datetime.utcnow())
+        db_peer = replace(db_peer, last_check=datetime.datetime.utcnow())
+        self._memory_peers[(db_peer.address, db_peer.udp_port)] = db_peer
+
+    def inc_errors(self, peer):
+        db_peer = self.get_from_peer(peer)
+        self._memory_peers[(peer.address, peer.node_id)] = replace(db_peer, errors=(db_peer.errors or 0) + 1)
+
+    def associate_peers(self, peer, other_peers):
+        self._connections[self.get_from_peer(peer).peer_id] = [
+            self.get_from_peer(other_peer).peer_id for other_peer in other_peers]
+
+    async def request_peers(self, host, port, node_id, key=None) -> typing.Optional[FindResponse]:
+        key = key or node_id
+        peer = make_kademlia_peer(key, await resolve_host(host, port, 'udp'), port)
+        for attempt in range(3):
+            try:
+                req_start = time.perf_counter_ns()
+                if key == node_id:
+                    response = await self.node.protocol.get_rpc_peer(peer).find_node(key)
+                    response = FindNodeResponse(key, response)
+                    latency = time.perf_counter_ns() - req_start
+                    self.set_latency(peer, latency)
+                else:
+                    response = await self.node.protocol.get_rpc_peer(peer).find_value(key)
+                    response = FindValueResponse(key, response)
+                await asyncio.sleep(0.05)
+                return response
+            except asyncio.TimeoutError:
+                if key == node_id:
+                    self.set_latency(peer, None)
+                continue
+            except lbry.dht.error.TransportNotConnected:
+                log.info("Transport unavailable, waiting 1s to retry")
+                await asyncio.sleep(1)
+            except lbry.dht.error.RemoteException as e:
+                log.info('Peer errored: %s:%d attempt #%d - %s',
+                         host, port, (attempt + 1), str(e))
+                if key == node_id:
+                    self.inc_errors(peer)
+                    self.set_latency(peer, None)
+                continue
+
+    async def crawl_routing_table(self, host, port, node_id=None):
+        start = time.time()
+        log.debug("querying %s:%d", host, port)
+        address = await resolve_host(host, port, 'udp')
+        key = node_id or self.node.protocol.peer_manager.get_node_id_for_endpoint(address, port)
+        peer = make_kademlia_peer(key, address, port)
+        self.add_peers(peer)
+        if not key:
+            latency = None
+            for _ in range(3):
+                try:
+                    ping_start = time.perf_counter_ns()
+                    await self.node.protocol.get_rpc_peer(peer).ping()
+                    await asyncio.sleep(0.05)
+                    key = key or self.node.protocol.peer_manager.get_node_id_for_endpoint(address, port)
+                    peer = make_kademlia_peer(key, address, port)
+                    latency = time.perf_counter_ns() - ping_start
+                    break
+                except asyncio.TimeoutError:
+                    pass
+                except lbry.dht.error.RemoteException:
+                    self.inc_errors(peer)
+                    pass
+            self.set_latency(peer, latency if peer.node_id else None)
+            if not latency or not peer.node_id:
+                if latency and not peer.node_id:
+                    log.warning("No node id from %s:%d", host, port)
+                return set()
+        distance = Distance(key)
+        max_distance = int.from_bytes(bytes([0xff] * 48), 'big')
+        peers = set()
+        factor = 2048
+        for i in range(1000):
+            response = await self.request_peers(address, port, key)
+            new_peers = list(response.get_close_kademlia_peers(peer)) if response else None
+            if not new_peers:
+                break
+            new_peers.sort(key=lambda peer: distance(peer.node_id))
+            peers.update(new_peers)
+            far_key = new_peers[-1].node_id
+            if distance(far_key) <= distance(key):
+                current_distance = distance(key)
+                next_jump = current_distance + int(max_distance // factor)  # jump closer
+                factor /= 2
+                if factor > 8 and next_jump < max_distance:
+                    key = int.from_bytes(peer.node_id, 'big') ^ next_jump
+                    if key.bit_length() > 384:
+                        break
+                    key = key.to_bytes(48, 'big')
+                else:
+                    break
+            else:
+                key = far_key
+                factor = 2048
+        if peers:
+            log.info("Done querying %s:%d in %.2f seconds: %d peers found over %d requests.",
+                     host, port, (time.time() - start), len(peers), i)
+        if peers:
+            self.connections_found_metric.observe(len(peers))
+            known_peers = 0
+            reachable_connections = 0
+            for peer in peers:
+                known_peer = self.get_from_peer(peer)
+                known_peers += 1 if known_peer else 0
+                reachable_connections += 1 if known_peer and (known_peer.latency or 0) > 0 else 0
+            self.known_connections_found_metric.observe(known_peers)
+            self.reachable_connections_found_metric.observe(reachable_connections)
+        self.add_peers(*peers)
+        self.associate_peers(peer, peers)
+        return peers
+
+    async def process(self):
+        to_process = {}
+
+        def submit(_peer):
+            f = asyncio.ensure_future(
+                self.crawl_routing_table(_peer.address, _peer.udp_port, bytes.fromhex(_peer.node_id)))
+            to_process[_peer.peer_id] = f
+            f.add_done_callback(lambda _: to_process.pop(_peer.peer_id))
+
+        to_check = self.get_peers_needing_check()
+        last_flush = datetime.datetime.utcnow()
+        while True:
+            for peer in to_check[:200]:
+                if peer.peer_id not in to_process:
+                    submit(peer)
+                    await asyncio.sleep(.05)
+            await asyncio.sleep(0)
+            self.unique_total_hosts_metric.set(self.checked_peers_count)
+            self.reachable_hosts_metric.set(self.checked_peers_count - self.unreachable_peers_count)
+            self.total_historic_hosts_metric.set(len(self._memory_peers))
+            self.pending_check_hosts_metric.set(len(to_check))
+            self.hosts_with_errors_metric.set(self.peers_with_errors_count)
+            log.info("%d known, %d contacted recently, %d unreachable, %d error, %d processing, %d on queue",
+                     self.active_peers_count, self.checked_peers_count, self.unreachable_peers_count,
+                     self.peers_with_errors_count, len(to_process), len(to_check))
+            if to_process:
+                await asyncio.wait(to_process.values(), return_when=asyncio.FIRST_COMPLETED)
+            to_check = self.get_peers_needing_check()
+            if (datetime.datetime.utcnow() - last_flush).seconds > 60:
+                log.info("flushing to db")
+                await self.flush_to_db()
+                last_flush = datetime.datetime.utcnow()
+            while not to_check and not to_process:
+                port = self.node.listening_port.get_extra_info('socket').getsockname()[1]
+                self.node.stop()
+                await self.node.start_listening()
+                log.info("Idle, sleeping a minute. Port changed to %d", port)
+                await asyncio.sleep(60.0)
+                to_check = self.get_peers_needing_check()
+
+
+class SimpleMetrics:
+    def __init__(self, port):
+        self.prometheus_port = port
+
+    async def handle_metrics_get_request(self, _):
+        try:
+            return web.Response(
+                text=prom_generate_latest().decode(),
+                content_type='text/plain; version=0.0.4'
+            )
+        except Exception:
+            log.exception('could not generate prometheus data')
+            raise
+
+    async def start(self):
+        prom_app = web.Application()
+        prom_app.router.add_get('/metrics', self.handle_metrics_get_request)
+        metrics_runner = web.AppRunner(prom_app)
+        await metrics_runner.setup()
+        prom_site = web.TCPSite(metrics_runner, "0.0.0.0", self.prometheus_port)
+        await prom_site.start()
+
+
+def dict_row_factory(cursor, row):
+    d = {}
+    for idx, col in enumerate(cursor.description):
+        if col[0] in ('added_on', 'first_online', 'last_seen', 'last_check'):
+            d[col[0]] = datetime.datetime.fromisoformat(row[idx]) if row[idx] else None
+        else:
+            d[col[0]] = row[idx]
+    return d
+
+
+async def test():
+    db_path = "/tmp/peers.db" if len(sys.argv) == 1 else sys.argv[-1]
+    asyncio.get_event_loop().set_debug(True)
+    metrics = SimpleMetrics('8080')
+    await metrics.start()
+    conf = Config()
+    hosting_samples = SDHashSamples("test.sample") if os.path.isfile("test.sample") else None
+    crawler = Crawler(db_path, hosting_samples)
+    await crawler.open()
+    await crawler.flush_to_db()
+    await crawler.node.start_listening()
+    if crawler.active_peers_count < 100:
+        probes = []
+        for (host, port) in conf.known_dht_nodes:
+            probes.append(asyncio.create_task(crawler.crawl_routing_table(host, port)))
+        await asyncio.gather(*probes)
+        await crawler.flush_to_db()
+    await asyncio.gather(crawler.process(), crawler.probe_files())
+
+if __name__ == '__main__':
+    asyncio.run(test())

scripts/dht_node.py

@@ -83,7 +83,7 @@ async def main(host: str, port: int, db_file_path: str, bootstrap_node: Optional
     await storage.open()
     node = Node(
         loop, PeerManager(loop), node_id, port, port, 3333, None,
-        storage=storage
+        storage=storage, is_bootstrap_node=True
     )
     if prometheus_port > 0:
         metrics = SimpleMetrics(prometheus_port, node if export else None)

scripts/example_update_es.py

@@ -1,46 +0,0 @@
-import asyncio
-from pprint import pprint
-
-from elasticsearch import AsyncElasticsearch
-from elasticsearch._async.helpers import async_scan, async_bulk
-
-DB = {}
-INDEX = 'claims'
-
-
-async def generate_support_amounts(client: AsyncElasticsearch):
-    async for doc in async_scan(client):
-        DB[doc['_id']] = doc['_source']['support_amount']
-        if len(DB) > 10:
-            break
-    pprint(DB)
-
-
-def generate_support_to_trending():
-    for claim_id, amount in DB.items():
-        yield {'doc': {"trending_mixed": amount}, '_id': claim_id, '_index': INDEX, '_op_type': 'update'}
-
-
-async def write_trending(client: AsyncElasticsearch):
-    await async_bulk(client, generate_support_to_trending())
-
-
-def get_client(host='localhost', port=9201):
-    hosts = [{'host': host, 'port': port}]
-    return AsyncElasticsearch(hosts, timeout=port)
-
-
-async def run():
-    client = get_client()
-    await generate_support_amounts(client)
-    await write_trending(client)
-    for claim_id, value in DB.items():
-        if value > 0:
-            break
-    doc = await client.get(INDEX, claim_id)
-    pprint(doc)
-    pprint(DB[claim_id])
-    await client.close()
-
-
-asyncio.get_event_loop().run_until_complete(run())

scripts/hook-libtorrent.py

@@ -0,0 +1,24 @@
+"""
+Hook for libtorrent.
+"""
+
+import os
+import glob
+import os.path
+from PyInstaller.utils.hooks import get_module_file_attribute
+from PyInstaller import compat
+
+
+def get_binaries():
+    if compat.is_win:
+        files = ('c:/Windows/System32/libssl-1_1-x64.dll', 'c:/Windows/System32/libcrypto-1_1-x64.dll')
+        for file in files:
+            if not os.path.isfile(file):
+                print(f"MISSING {file}")
+        return [(file, '.') for file in files]
+    return []
+
+
+binaries = get_binaries()
+for file in glob.glob(os.path.join(get_module_file_attribute('libtorrent'), 'libtorrent*pyd*')):
+    binaries.append((file, 'libtorrent'))