Merge branch 'master' into master

.gitlab-ci.yml

@@ -41,7 +41,7 @@ test:datanetwork-integration:
   stage: test
   script:
     - pip install tox-travis
-    - tox -e datanetwork
+    - tox -e datanetwork --recreate
 
 test:blockchain-integration:
   stage: test
@@ -94,6 +94,7 @@ build:linux:
     - apt-get update
     - apt-get install -y --no-install-recommends python3.7-dev
     - python3.7 <(curl -q https://bootstrap.pypa.io/get-pip.py) # make sure we get pip with python3.7
+    - pip install lbry-libtorrent
 
 build:mac:
   extends: .build

Makefile

@@ -1,6 +1,7 @@
 .PHONY: install tools lint test idea
 
 install:
+	pip install https://s3.amazonaws.com/files.lbry.io/python_libtorrent-1.2.4-py3-none-any.whl
 	CFLAGS="-DSQLITE_MAX_VARIABLE_NUMBER=2500000" pip install -U https://github.com/rogerbinns/apsw/releases/download/3.30.1-r1/apsw-3.30.1-r1.zip \
 		--global-option=fetch \
 		--global-option=--version --global-option=3.30.1 --global-option=--all \
@@ -8,7 +9,7 @@ install:
 	pip install -e .
 
 tools:
-	pip install mypy==0.701
+	pip install mypy==0.701 pylint==2.4.4
 	pip install coverage astroid pylint
 
 lint:

lbry/__init__.py

@@ -1,2 +1,2 @@
-__version__ = "0.69.1"
+__version__ = "0.74.0"
 version = tuple(map(int, __version__.split('.')))  # pylint: disable=invalid-name

lbry/blob/blob_file.py

@@ -110,7 +110,7 @@ class AbstractBlob:
                 if reader in self.readers:
                     self.readers.remove(reader)
 
-    def _write_blob(self, blob_bytes: bytes):
+    def _write_blob(self, blob_bytes: bytes) -> asyncio.Task:
         raise NotImplementedError()
 
     def set_length(self, length) -> None:
@@ -198,11 +198,17 @@ class AbstractBlob:
     def save_verified_blob(self, verified_bytes: bytes):
         if self.verified.is_set():
             return
-        if self.is_writeable():
-            self._write_blob(verified_bytes)
+
+        def update_events(_):
             self.verified.set()
+            self.writing.clear()
+
+        if self.is_writeable():
+            self.writing.set()
+            task = self._write_blob(verified_bytes)
+            task.add_done_callback(update_events)
             if self.blob_completed_callback:
-                self.blob_completed_callback(self)
+                task.add_done_callback(lambda _: self.blob_completed_callback(self))
 
     def get_blob_writer(self, peer_address: typing.Optional[str] = None,
                         peer_port: typing.Optional[int] = None) -> HashBlobWriter:
@@ -261,9 +267,11 @@ class BlobBuffer(AbstractBlob):
             self.verified.clear()
 
     def _write_blob(self, blob_bytes: bytes):
+        async def write():
             if self._verified_bytes:
                 raise OSError("already have bytes for blob")
             self._verified_bytes = BytesIO(blob_bytes)
+        return self.loop.create_task(write())
 
     def delete(self):
         if self._verified_bytes:
@@ -319,9 +327,15 @@ class BlobFile(AbstractBlob):
             handle.close()
 
     def _write_blob(self, blob_bytes: bytes):
+        def _write_blob():
             with open(self.file_path, 'wb') as f:
                 f.write(blob_bytes)
 
+        async def write_blob():
+            await self.loop.run_in_executor(None, _write_blob)
+
+        return self.loop.create_task(write_blob())
+
     def delete(self):
         if os.path.isfile(self.file_path):
             os.remove(self.file_path)

lbry/blob_exchange/client.py

@@ -152,6 +152,8 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
             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)
+            # wait for the io to finish
+            await self.blob.verified.wait()
             log.info("%s at %fMB/s", msg,
                      round((float(self._blob_bytes_received) /
                             float(time.perf_counter() - start_time)) / 1000000.0, 2))

lbry/conf.py

@@ -277,14 +277,23 @@ class Strings(ListSetting):
 class EnvironmentAccess:
     PREFIX = 'LBRY_'
 
-    def __init__(self, environ: dict):
-        self.environ = environ
+    def __init__(self, config: 'BaseConfig', environ: dict):
+        self.configuration = config
+        self.data = {}
+        if environ:
+            self.load(environ)
+
+    def load(self, environ):
+        for setting in self.configuration.get_settings():
+            value = environ.get(f'{self.PREFIX}{setting.name.upper()}', NOT_SET)
+            if value != NOT_SET and not (isinstance(setting, ListSetting) and value is None):
+                self.data[setting.name] = setting.deserialize(value)
 
     def __contains__(self, item: str):
-        return f'{self.PREFIX}{item.upper()}' in self.environ
+        return item in self.data
 
     def __getitem__(self, item: str):
-        return self.environ[f'{self.PREFIX}{item.upper()}']
+        return self.data[item]
 
 
 class ArgumentAccess:
@@ -443,7 +452,7 @@ class BaseConfig:
         self.arguments = ArgumentAccess(self, args)
 
     def set_environment(self, environ=None):
-        self.environment = EnvironmentAccess(environ or os.environ)
+        self.environment = EnvironmentAccess(self, environ or os.environ)
 
     def set_persisted(self, config_file_path=None):
         if config_file_path is None:
@@ -469,12 +478,12 @@ class TranscodeConfig(BaseConfig):
                          '', previous_names=['ffmpeg_folder'])
     video_encoder = String('FFmpeg codec and parameters for the video encoding. '
                            'Example: libaom-av1 -crf 25 -b:v 0 -strict experimental',
-                           'libx264 -crf 21 -preset faster -pix_fmt yuv420p')
+                           'libx264 -crf 24 -preset faster -pix_fmt yuv420p')
     video_bitrate_maximum = Integer('Maximum bits per second allowed for video streams (0 to disable).', 8400000)
     video_scaler = String('FFmpeg scaling parameters for reducing bitrate. '
                           'Example: -vf "scale=-2:720,fps=24" -maxrate 5M -bufsize 3M',
                           r'-vf "scale=if(gte(iw\,ih)\,min(1920\,iw)\,-2):if(lt(iw\,ih)\,min(1920\,ih)\,-2)" '
-                          r'-maxrate 8400K -bufsize 5000K')
+                          r'-maxrate 5500K -bufsize 5000K')
     audio_encoder = String('FFmpeg codec and parameters for the audio encoding. '
                            'Example: libopus -b:a 128k',
                            'aac -b:a 160k')
@@ -577,9 +586,14 @@ class Config(CLIConfig):
     )
 
     # servers
-    reflector_servers = Servers("Reflector re-hosting servers", [
+    reflector_servers = Servers("Reflector re-hosting servers for mirroring publishes", [
         ('reflector.lbry.com', 5566)
     ])
+
+    fixed_peers = Servers("Fixed peers to fall back to if none are found on P2P for a blob", [
+        ('cdn.reflector.lbry.com', 5567)
+    ])
+
     lbryum_servers = Servers("SPV wallet servers", [
         ('spv11.lbry.com', 50001),
         ('spv12.lbry.com', 50001),
@@ -622,6 +636,7 @@ class Config(CLIConfig):
         "Strategy to use when selecting UTXOs for a transaction",
         STRATEGIES, "standard")
 
+    transaction_cache_size = Integer("Transaction cache size", 100_000)
     save_resolved_claims = Toggle(
         "Save content claims to the database when they are resolved to keep file_list up to date, "
         "only disable this if file_x commands are not needed", True
@@ -691,8 +706,9 @@ def get_darwin_directories() -> typing.Tuple[str, str, str]:
 def get_linux_directories() -> typing.Tuple[str, str, str]:
     try:
         with open(os.path.join(user_config_dir(), 'user-dirs.dirs'), 'r') as xdg:
-            down_dir = re.search(r'XDG_DOWNLOAD_DIR=(.+)', xdg.read()).group(1)
-        down_dir = re.sub(r'\$HOME', os.getenv('HOME') or os.path.expanduser("~/"), down_dir)
+            down_dir = re.search(r'XDG_DOWNLOAD_DIR=(.+)', xdg.read())
+        if down_dir:
+            down_dir = re.sub(r'\$HOME', os.getenv('HOME') or os.path.expanduser("~/"), down_dir.group(1))
             download_dir = re.sub('\"', '', down_dir)
     except OSError:
         download_dir = os.getenv('XDG_DOWNLOAD_DIR')

lbry/dht/protocol/protocol.py

@@ -10,6 +10,7 @@ from asyncio.protocols import DatagramProtocol
 from asyncio.transports import DatagramTransport
 
 from lbry.dht import constants
+from lbry.dht.serialization.bencoding import DecodeError
 from lbry.dht.serialization.datagram import decode_datagram, ErrorDatagram, ResponseDatagram, RequestDatagram
 from lbry.dht.serialization.datagram import RESPONSE_TYPE, ERROR_TYPE, PAGE_KEY
 from lbry.dht.error import RemoteException, TransportNotConnected
@@ -554,7 +555,7 @@ class KademliaProtocol(DatagramProtocol):
     def datagram_received(self, datagram: bytes, address: typing.Tuple[str, int]) -> None:  # pylint: disable=arguments-differ
         try:
             message = decode_datagram(datagram)
-        except (ValueError, TypeError):
+        except (ValueError, TypeError, DecodeError):
             self.peer_manager.report_failure(address[0], address[1])
             log.warning("Couldn't decode dht datagram from %s: %s", address, binascii.hexlify(datagram).decode())
             return

lbry/extras/daemon/analytics.py

@@ -66,7 +66,7 @@ def _download_properties(conf: Config, external_ip: str, resolve_duration: float
         "node_rpc_timeout": conf.node_rpc_timeout,
         "peer_connect_timeout": conf.peer_connect_timeout,
         "blob_download_timeout": conf.blob_download_timeout,
-        "use_fixed_peers": len(conf.reflector_servers) > 0,
+        "use_fixed_peers": len(conf.fixed_peers) > 0,
         "fixed_peer_delay": fixed_peer_delay,
         "added_fixed_peers": added_fixed_peers,
         "active_peer_count": active_peer_count,

lbry/extras/daemon/components.py

@@ -17,11 +17,17 @@ from lbry.dht.blob_announcer import BlobAnnouncer
 from lbry.blob.blob_manager import BlobManager
 from lbry.blob_exchange.server import BlobServer
 from lbry.stream.stream_manager import StreamManager
+from lbry.file.file_manager import FileManager
 from lbry.extras.daemon.component import Component
 from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager
 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.session import TorrentSession
+except ImportError:
+    TorrentSession = None
 
 log = logging.getLogger(__name__)
 
@@ -33,10 +39,11 @@ WALLET_COMPONENT = "wallet"
 WALLET_SERVER_PAYMENTS_COMPONENT = "wallet_server_payments"
 DHT_COMPONENT = "dht"
 HASH_ANNOUNCER_COMPONENT = "hash_announcer"
-STREAM_MANAGER_COMPONENT = "stream_manager"
+FILE_MANAGER_COMPONENT = "file_manager"
 PEER_PROTOCOL_SERVER_COMPONENT = "peer_protocol_server"
 UPNP_COMPONENT = "upnp"
 EXCHANGE_RATE_MANAGER_COMPONENT = "exchange_rate_manager"
+LIBTORRENT_COMPONENT = "libtorrent_component"
 
 
 class DatabaseComponent(Component):
@@ -319,23 +326,23 @@ class HashAnnouncerComponent(Component):
         }
 
 
-class StreamManagerComponent(Component):
-    component_name = STREAM_MANAGER_COMPONENT
-    depends_on = [BLOB_COMPONENT, DATABASE_COMPONENT, WALLET_COMPONENT]
+class FileManagerComponent(Component):
+    component_name = FILE_MANAGER_COMPONENT
+    depends_on = [BLOB_COMPONENT, DATABASE_COMPONENT, WALLET_COMPONENT, LIBTORRENT_COMPONENT]
 
     def __init__(self, component_manager):
         super().__init__(component_manager)
-        self.stream_manager: typing.Optional[StreamManager] = None
+        self.file_manager: typing.Optional[FileManager] = None
 
     @property
-    def component(self) -> typing.Optional[StreamManager]:
-        return self.stream_manager
+    def component(self) -> typing.Optional[FileManager]:
+        return self.file_manager
 
     async def get_status(self):
-        if not self.stream_manager:
+        if not self.file_manager:
             return
         return {
-            'managed_files': len(self.stream_manager.streams),
+            'managed_files': len(self.file_manager.get_filtered()),
         }
 
     async def start(self):
@@ -344,16 +351,52 @@ class StreamManagerComponent(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
+        torrent = self.component_manager.get_component(LIBTORRENT_COMPONENT) if TorrentSession else None
         log.info('Starting the file manager')
         loop = asyncio.get_event_loop()
-        self.stream_manager = StreamManager(
-            loop, self.conf, blob_manager, wallet, storage, node, self.component_manager.analytics_manager
+        self.file_manager = FileManager(
+            loop, self.conf, wallet, storage, self.component_manager.analytics_manager
         )
-        await self.stream_manager.start()
+        self.file_manager.source_managers['stream'] = StreamManager(
+            loop, self.conf, blob_manager, wallet, storage, node,
+        )
+        if TorrentSession:
+            self.file_manager.source_managers['torrent'] = TorrentManager(
+                loop, self.conf, torrent, storage, self.component_manager.analytics_manager
+            )
+        await self.file_manager.start()
         log.info('Done setting up file manager')
 
     async def stop(self):
-        self.stream_manager.stop()
+        self.file_manager.stop()
+
+
+class TorrentComponent(Component):
+    component_name = LIBTORRENT_COMPONENT
+
+    def __init__(self, component_manager):
+        super().__init__(component_manager)
+        self.torrent_session = None
+
+    @property
+    def component(self) -> typing.Optional[TorrentSession]:
+        return self.torrent_session
+
+    async def get_status(self):
+        if not self.torrent_session:
+            return
+        return {
+            'running': True,  # TODO: what to return here?
+        }
+
+    async def start(self):
+        if TorrentSession:
+            self.torrent_session = TorrentSession(asyncio.get_event_loop(), None)
+            await self.torrent_session.bind()  # TODO: specify host/port
+
+    async def stop(self):
+        if self.torrent_session:
+            await self.torrent_session.pause()
 
 
 class PeerProtocolServerComponent(Component):

lbry/extras/daemon/daemon.py

@@ -19,7 +19,7 @@ from functools import wraps, partial
 import ecdsa
 import base58
 from aiohttp import web
-from prometheus_client import generate_latest as prom_generate_latest
+from prometheus_client import generate_latest as prom_generate_latest, Gauge, Histogram, Counter
 from google.protobuf.message import DecodeError
 from lbry.wallet import (
     Wallet, ENCRYPT_ON_DISK, SingleKey, HierarchicalDeterministic,
@@ -40,7 +40,7 @@ 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 STREAM_MANAGER_COMPONENT
+from lbry.extras.daemon.components import FILE_MANAGER_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
@@ -57,8 +57,8 @@ if typing.TYPE_CHECKING:
     from lbry.extras.daemon.components import UPnPComponent
     from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager
     from lbry.extras.daemon.storage import SQLiteStorage
-    from lbry.stream.stream_manager import StreamManager
     from lbry.wallet import WalletManager, Ledger
+    from lbry.file.file_manager import FileManager
 
 log = logging.getLogger(__name__)
 
@@ -290,6 +290,11 @@ class JSONRPCServerType(type):
         return klass
 
 
+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')
+)
+
+
 class Daemon(metaclass=JSONRPCServerType):
     """
     LBRYnet daemon, a jsonrpc interface to lbry functions
@@ -297,6 +302,28 @@ class Daemon(metaclass=JSONRPCServerType):
     callable_methods: dict
     deprecated_methods: dict
 
+    pending_requests_metric = Gauge(
+        "pending_requests", "Number of running api requests", namespace="daemon_api",
+        labelnames=("method",)
+    )
+
+    requests_count_metric = Counter(
+        "requests_count", "Number of requests received", namespace="daemon_api",
+        labelnames=("method",)
+    )
+    failed_request_metric = Counter(
+        "failed_request_count", "Number of failed requests", namespace="daemon_api",
+        labelnames=("method",)
+    )
+    cancelled_request_metric = Counter(
+        "cancelled_request_count", "Number of cancelled requests", namespace="daemon_api",
+        labelnames=("method",)
+    )
+    response_time_metric = Histogram(
+        "response_time", "Response times", namespace="daemon_api", buckets=HISTOGRAM_BUCKETS,
+        labelnames=("method",)
+    )
+
     def __init__(self, conf: Config, component_manager: typing.Optional[ComponentManager] = None):
         self.conf = conf
         self.platform_info = system_info.get_platform()
@@ -345,8 +372,8 @@ class Daemon(metaclass=JSONRPCServerType):
         return self.component_manager.get_component(DATABASE_COMPONENT)
 
     @property
-    def stream_manager(self) -> typing.Optional['StreamManager']:
-        return self.component_manager.get_component(STREAM_MANAGER_COMPONENT)
+    def file_manager(self) -> typing.Optional['FileManager']:
+        return self.component_manager.get_component(FILE_MANAGER_COMPONENT)
 
     @property
     def exchange_rate_manager(self) -> typing.Optional['ExchangeRateManager']:
@@ -457,7 +484,6 @@ class Daemon(metaclass=JSONRPCServerType):
         log.info("Starting LBRYNet Daemon")
         log.debug("Settings: %s", json.dumps(self.conf.settings_dict, indent=2))
         log.info("Platform: %s", json.dumps(self.platform_info, indent=2))
-
         self.need_connection_status_refresh.set()
         self._connection_status_task = self.component_manager.loop.create_task(
             self.keep_connection_status_up_to_date()
@@ -583,8 +609,8 @@ class Daemon(metaclass=JSONRPCServerType):
         else:
             name, claim_id = name_and_claim_id.split("/")
             uri = f"lbry://{name}#{claim_id}"
-        if not self.stream_manager.started.is_set():
-            await self.stream_manager.started.wait()
+        if not self.file_manager.started.is_set():
+            await self.file_manager.started.wait()
         stream = await self.jsonrpc_get(uri)
         if isinstance(stream, dict):
             raise web.HTTPServerError(text=stream['error'])
@@ -608,11 +634,11 @@ class Daemon(metaclass=JSONRPCServerType):
 
     async def _handle_stream_range_request(self, request: web.Request):
         sd_hash = request.path.split("/stream/")[1]
-        if not self.stream_manager.started.is_set():
-            await self.stream_manager.started.wait()
-        if sd_hash not in self.stream_manager.streams:
+        if not self.file_manager.started.is_set():
+            await self.file_manager.started.wait()
+        if sd_hash not in self.file_manager.streams:
             return web.HTTPNotFound()
-        return await self.stream_manager.stream_partial_content(request, sd_hash)
+        return await self.file_manager.stream_partial_content(request, sd_hash)
 
     async def _process_rpc_call(self, data):
         args = data.get('params', {})
@@ -663,20 +689,27 @@ class Daemon(metaclass=JSONRPCServerType):
                 JSONRPCError.CODE_INVALID_PARAMS,
                 params_error_message,
             )
-
+        self.pending_requests_metric.labels(method=function_name).inc()
+        self.requests_count_metric.labels(method=function_name).inc()
+        start = time.perf_counter()
         try:
             result = method(self, *_args, **_kwargs)
             if asyncio.iscoroutine(result):
                 result = await result
             return result
         except asyncio.CancelledError:
+            self.cancelled_request_metric.labels(method=function_name).inc()
             log.info("cancelled API call for: %s", function_name)
             raise
         except Exception as e:  # pylint: disable=broad-except
+            self.failed_request_metric.labels(method=function_name).inc()
             log.exception("error handling api request")
             return JSONRPCError.create_command_exception(
                 command=function_name, args=_args, kwargs=_kwargs, exception=e, traceback=format_exc()
             )
+        finally:
+            self.pending_requests_metric.labels(method=function_name).dec()
+            self.response_time_metric.labels(method=function_name).observe(time.perf_counter() - start)
 
     def _verify_method_is_callable(self, function_path):
         if function_path not in self.callable_methods:
@@ -825,7 +858,8 @@ class Daemon(metaclass=JSONRPCServerType):
                     'exchange_rate_manager': (bool),
                     'hash_announcer': (bool),
                     'peer_protocol_server': (bool),
-                    'stream_manager': (bool),
+                    'file_manager': (bool),
+                    'libtorrent_component': (bool),
                     'upnp': (bool),
                     'wallet': (bool),
                 },
@@ -852,6 +886,9 @@ class Daemon(metaclass=JSONRPCServerType):
                         }
                     ],
                 },
+                'libtorrent_component': {
+                    'running': (bool) libtorrent was detected and started successfully,
+                },
                 'dht': {
                     'node_id': (str) lbry dht node id - hex encoded,
                     'peers_in_routing_table': (int) the number of peers in the routing table,
@@ -873,7 +910,7 @@ class Daemon(metaclass=JSONRPCServerType):
                 'hash_announcer': {
                     'announce_queue_size': (int) number of blobs currently queued to be announced
                 },
-                'stream_manager': {
+                'file_manager': {
                     'managed_files': (int) count of files in the stream manager,
                 },
                 'upnp': {
@@ -1044,7 +1081,7 @@ class Daemon(metaclass=JSONRPCServerType):
         return results
 
     @requires(WALLET_COMPONENT, EXCHANGE_RATE_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT,
-              STREAM_MANAGER_COMPONENT)
+              FILE_MANAGER_COMPONENT)
     async def jsonrpc_get(
             self, uri, file_name=None, download_directory=None, timeout=None, save_file=None, wallet_id=None):
         """
@@ -1070,7 +1107,7 @@ class Daemon(metaclass=JSONRPCServerType):
         if download_directory and not os.path.isdir(download_directory):
             return {"error": f"specified download directory \"{download_directory}\" does not exist"}
         try:
-            stream = await self.stream_manager.download_stream_from_uri(
+            stream = await self.file_manager.download_from_uri(
                 uri, self.exchange_rate_manager, timeout, file_name, download_directory,
                 save_file=save_file, wallet=wallet
             )
@@ -1916,7 +1953,7 @@ class Daemon(metaclass=JSONRPCServerType):
     File management.
     """
 
-    @requires(STREAM_MANAGER_COMPONENT)
+    @requires(FILE_MANAGER_COMPONENT)
     async def jsonrpc_file_list(self, sort=None, reverse=False, comparison=None, wallet_id=None, page=None,
                                 page_size=None, **kwargs):
         """
@@ -1928,9 +1965,11 @@ class Daemon(metaclass=JSONRPCServerType):
                       [--outpoint=<outpoint>] [--txid=<txid>] [--nout=<nout>]
                       [--channel_claim_id=<channel_claim_id>] [--channel_name=<channel_name>]
                       [--claim_name=<claim_name>] [--blobs_in_stream=<blobs_in_stream>]
-                      [--blobs_remaining=<blobs_remaining>] [--sort=<sort_by>]
-                      [--comparison=<comparison>] [--full_status=<full_status>] [--reverse]
-                      [--page=<page>] [--page_size=<page_size>] [--wallet_id=<wallet_id>]
+                      [--download_path=<download_path>] [--blobs_remaining=<blobs_remaining>]
+                      [--uploading_to_reflector=<uploading_to_reflector>] [--is_fully_reflected=<is_fully_reflected>]
+                      [--status=<status>] [--completed=<completed>] [--sort=<sort_by>] [--comparison=<comparison>]
+                      [--full_status=<full_status>] [--reverse] [--page=<page>] [--page_size=<page_size>]
+                      [--wallet_id=<wallet_id>]
 
         Options:
             --sd_hash=<sd_hash>                    : (str) get file with matching sd hash
@@ -1947,6 +1986,11 @@ class Daemon(metaclass=JSONRPCServerType):
             --channel_name=<channel_name>          : (str) get file with matching channel name
             --claim_name=<claim_name>              : (str) get file with matching claim name
             --blobs_in_stream<blobs_in_stream>     : (int) get file with matching blobs in stream
+            --download_path=<download_path>        : (str) get file with matching download path
+            --uploading_to_reflector=<uploading_to_reflector> : (bool) get files currently uploading to reflector
+            --is_fully_reflected=<is_fully_reflected>         : (bool) get files that have been uploaded to reflector
+            --status=<status>                      : (str) match by status, ( running | finished | stopped )
+            --completed=<completed>                : (bool) match only completed
             --blobs_remaining=<blobs_remaining>    : (int) amount of remaining blobs to download
             --sort=<sort_by>                       : (str) field to sort by (one of the above filter fields)
             --comparison=<comparison>              : (str) logical comparison, (eq | ne | g | ge | l | le | in)
@@ -1961,7 +2005,7 @@ class Daemon(metaclass=JSONRPCServerType):
         comparison = comparison or 'eq'
 
         paginated = paginate_list(
-            self.stream_manager.get_filtered_streams(sort, reverse, comparison, **kwargs), page, page_size
+            self.file_manager.get_filtered(sort, reverse, comparison, **kwargs), page, page_size
         )
         if paginated['items']:
             receipts = {
@@ -1975,7 +2019,7 @@ class Daemon(metaclass=JSONRPCServerType):
                 stream.purchase_receipt = receipts.get(stream.claim_id)
         return paginated
 
-    @requires(STREAM_MANAGER_COMPONENT)
+    @requires(FILE_MANAGER_COMPONENT)
     async def jsonrpc_file_set_status(self, status, **kwargs):
         """
         Start or stop downloading a file
@@ -1999,12 +2043,14 @@ class Daemon(metaclass=JSONRPCServerType):
         if status not in ['start', 'stop']:
             raise Exception('Status must be "start" or "stop".')
 
-        streams = self.stream_manager.get_filtered_streams(**kwargs)
+        streams = self.file_manager.get_filtered(**kwargs)
         if not streams:
             raise Exception(f'Unable to find a file for {kwargs}')
         stream = streams[0]
         if status == 'start' and not stream.running:
-            await stream.save_file(node=self.stream_manager.node)
+            if not hasattr(stream, 'bt_infohash') and 'dht' not in self.conf.components_to_skip:
+                stream.downloader.node = self.dht_node
+            await stream.save_file()
             msg = "Resumed download"
         elif status == 'stop' and stream.running:
             await stream.stop()
@@ -2016,7 +2062,7 @@ class Daemon(metaclass=JSONRPCServerType):
             )
         return msg
 
-    @requires(STREAM_MANAGER_COMPONENT)
+    @requires(FILE_MANAGER_COMPONENT)
     async def jsonrpc_file_delete(self, delete_from_download_dir=False, delete_all=False, **kwargs):
         """
         Delete a LBRY file
@@ -2048,7 +2094,7 @@ class Daemon(metaclass=JSONRPCServerType):
             (bool) true if deletion was successful
         """
 
-        streams = self.stream_manager.get_filtered_streams(**kwargs)
+        streams = self.file_manager.get_filtered(**kwargs)
 
         if len(streams) > 1:
             if not delete_all:
@@ -2065,12 +2111,12 @@ class Daemon(metaclass=JSONRPCServerType):
         else:
             for stream in streams:
                 message = f"Deleted file {stream.file_name}"
-                await self.stream_manager.delete_stream(stream, delete_file=delete_from_download_dir)
+                await self.file_manager.delete(stream, delete_file=delete_from_download_dir)
                 log.info(message)
             result = True
         return result
 
-    @requires(STREAM_MANAGER_COMPONENT)
+    @requires(FILE_MANAGER_COMPONENT)
     async def jsonrpc_file_save(self, file_name=None, download_directory=None, **kwargs):
         """
         Start saving a file to disk.
@@ -2097,7 +2143,7 @@ class Daemon(metaclass=JSONRPCServerType):
         Returns: {File}
         """
 
-        streams = self.stream_manager.get_filtered_streams(**kwargs)
+        streams = self.file_manager.get_filtered(**kwargs)
 
         if len(streams) > 1:
             log.warning("There are %i matching files, use narrower filters to select one", len(streams))
@@ -2106,6 +2152,8 @@ class Daemon(metaclass=JSONRPCServerType):
             log.warning("There is no file to save")
             return False
         stream = streams[0]
+        if not hasattr(stream, 'bt_infohash') and 'dht' not in self.conf.components_to_skip:
+            stream.downloader.node = self.dht_node
         await stream.save_file(file_name, download_directory)
         return stream
 
@@ -2237,7 +2285,7 @@ class Daemon(metaclass=JSONRPCServerType):
         Returns: {Paginated[Output]}
         """
         kwargs['type'] = claim_type or CLAIM_TYPE_NAMES
-        if 'is_spent' not in kwargs:
+        if not kwargs.get('is_spent', False):
             kwargs['is_not_spent'] = True
         return self.jsonrpc_txo_list(**kwargs)
 
@@ -2513,7 +2561,7 @@ class Daemon(metaclass=JSONRPCServerType):
             name, claim, amount, claim_address, funding_accounts, funding_accounts[0]
         )
         txo = tx.outputs[0]
-        txo.generate_channel_private_key()
+        await txo.generate_channel_private_key()
 
         await tx.sign(funding_accounts)
 
@@ -2665,7 +2713,7 @@ class Daemon(metaclass=JSONRPCServerType):
         new_txo = tx.outputs[0]
 
         if new_signing_key:
-            new_txo.generate_channel_private_key()
+            await new_txo.generate_channel_private_key()
         else:
             new_txo.private_key = old_txo.private_key
 
@@ -2872,7 +2920,7 @@ class Daemon(metaclass=JSONRPCServerType):
     Create, update, abandon, list and inspect your stream claims.
     """
 
-    @requires(WALLET_COMPONENT, STREAM_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
+    @requires(WALLET_COMPONENT, FILE_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
     async def jsonrpc_publish(self, name, **kwargs):
         """
         Create or replace a stream claim at a given name (use 'stream create/update' for more control).
@@ -2994,7 +3042,7 @@ class Daemon(metaclass=JSONRPCServerType):
             f"to update a specific stream claim."
         )
 
-    @requires(WALLET_COMPONENT, STREAM_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
+    @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,
                                     channel_name=None, channel_account_id=None, account_id=None, wallet_id=None,
                                     claim_address=None, funding_account_ids=None, preview=False, blocking=False):
@@ -3066,7 +3114,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
         return tx
 
-    @requires(WALLET_COMPONENT, STREAM_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
+    @requires(WALLET_COMPONENT, FILE_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
     async def jsonrpc_stream_create(
             self, name, bid, file_path, allow_duplicate_name=False,
             channel_id=None, channel_name=None, channel_account_id=None,
@@ -3204,7 +3252,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
         file_stream = None
         if not preview:
-            file_stream = await self.stream_manager.create_stream(file_path)
+            file_stream = await self.file_manager.create_stream(file_path)
             claim.stream.source.sd_hash = file_stream.sd_hash
             new_txo.script.generate()
 
@@ -3224,7 +3272,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
         return tx
 
-    @requires(WALLET_COMPONENT, STREAM_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
+    @requires(WALLET_COMPONENT, FILE_MANAGER_COMPONENT, BLOB_COMPONENT, DATABASE_COMPONENT)
     async def jsonrpc_stream_update(
             self, claim_id, bid=None, file_path=None,
             channel_id=None, channel_name=None, channel_account_id=None, clear_channel=False,
@@ -3414,11 +3462,12 @@ class Daemon(metaclass=JSONRPCServerType):
 
         stream_hash = None
         if not preview:
-            old_stream = self.stream_manager.streams.get(old_txo.claim.stream.source.sd_hash, None)
+            old_stream = self.file_manager.get_filtered(sd_hash=old_txo.claim.stream.source.sd_hash)
+            old_stream = old_stream[0] if old_stream else None
             if file_path is not None:
                 if old_stream:
-                    await self.stream_manager.delete_stream(old_stream, delete_file=False)
-                file_stream = await self.stream_manager.create_stream(file_path)
+                    await self.file_manager.delete(old_stream, delete_file=False)
+                file_stream = await self.file_manager.create_stream(file_path)
                 new_txo.claim.stream.source.sd_hash = file_stream.sd_hash
                 new_txo.script.generate()
                 stream_hash = file_stream.stream_hash
@@ -3580,7 +3629,6 @@ class Daemon(metaclass=JSONRPCServerType):
                                                     given name. default: false.
             --title=<title>                : (str) title of the collection
             --description=<description>    : (str) description of the collection
-            --clear_languages              : (bool) clear existing languages (prior to adding new ones)
             --tags=<tags>                  : (list) content tags
             --clear_languages              : (bool) clear existing languages (prior to adding new ones)
             --languages=<languages>        : (list) languages used by the collection,
@@ -4550,9 +4598,9 @@ class Daemon(metaclass=JSONRPCServerType):
         """
         if not blob_hash or not is_valid_blobhash(blob_hash):
             return f"Invalid blob hash to delete '{blob_hash}'"
-        streams = self.stream_manager.get_filtered_streams(sd_hash=blob_hash)
+        streams = self.file_manager.get_filtered(sd_hash=blob_hash)
         if streams:
-            await self.stream_manager.delete_stream(streams[0])
+            await self.file_manager.delete(streams[0])
         else:
             await self.blob_manager.delete_blobs([blob_hash])
         return "Deleted %s" % blob_hash
@@ -4725,7 +4773,7 @@ class Daemon(metaclass=JSONRPCServerType):
 
         raise NotImplementedError()
 
-    @requires(STREAM_MANAGER_COMPONENT)
+    @requires(FILE_MANAGER_COMPONENT)
     async def jsonrpc_file_reflect(self, **kwargs):
         """
         Reflect all the blobs in a file matching the filter criteria
@@ -4754,8 +4802,8 @@ class Daemon(metaclass=JSONRPCServerType):
         else:
             server, port = random.choice(self.conf.reflector_servers)
         reflected = await asyncio.gather(*[
-            self.stream_manager.reflect_stream(stream, server, port)
-            for stream in self.stream_manager.get_filtered_streams(**kwargs)
+            self.file_manager['stream'].reflect_stream(stream, server, port)
+            for stream in self.file_manager.get_filtered_streams(**kwargs)
         ])
         total = []
         for reflected_for_stream in reflected:
@@ -5301,10 +5349,10 @@ class Daemon(metaclass=JSONRPCServerType):
         results = await self.ledger.resolve(accounts, urls, **kwargs)
         if self.conf.save_resolved_claims and results:
             try:
-                claims = self.stream_manager._convert_to_old_resolve_output(self.wallet_manager, results)
-                await self.storage.save_claims_for_resolve([
-                    value for value in claims.values() if 'error' not in value
-                ])
+                await self.storage.save_claim_from_output(
+                    self.ledger,
+                    *(result for result in results.values() if isinstance(result, Output))
+                )
             except DecodeError:
                 pass
         return results

lbry/extras/daemon/json_response_encoder.py

@@ -7,6 +7,7 @@ from json import JSONEncoder
 from google.protobuf.message import DecodeError
 
 from lbry.schema.claim import Claim
+from lbry.torrent.torrent_manager import TorrentSource
 from lbry.wallet import Wallet, Ledger, Account, Transaction, Output
 from lbry.wallet.bip32 import PubKey
 from lbry.wallet.dewies import dewies_to_lbc
@@ -109,7 +110,8 @@ def encode_file_doc():
         'channel_claim_id': '(str) None if claim is not found or not signed',
         'channel_name': '(str) None if claim is not found or not signed',
         'claim_name': '(str) None if claim is not found else the claim name',
-        'reflector_progress': '(int) reflector upload progress, 0 to 100'
+        'reflector_progress': '(int) reflector upload progress, 0 to 100',
+        'uploading_to_reflector': '(bool) set to True when currently uploading to reflector'
     }
 
 
@@ -125,7 +127,7 @@ class JSONResponseEncoder(JSONEncoder):
             return self.encode_account(obj)
         if isinstance(obj, Wallet):
             return self.encode_wallet(obj)
-        if isinstance(obj, ManagedStream):
+        if isinstance(obj, (ManagedStream, TorrentSource)):
             return self.encode_file(obj)
         if isinstance(obj, Transaction):
             return self.encode_transaction(obj)
@@ -272,26 +274,32 @@ class JSONResponseEncoder(JSONEncoder):
         output_exists = managed_stream.output_file_exists
         tx_height = managed_stream.stream_claim_info.height
         best_height = self.ledger.headers.height
-        return {
-            'streaming_url': managed_stream.stream_url,
+        is_stream = hasattr(managed_stream, 'stream_hash')
+        if is_stream:
+            total_bytes_lower_bound = managed_stream.descriptor.lower_bound_decrypted_length()
+            total_bytes = managed_stream.descriptor.upper_bound_decrypted_length()
+        else:
+            total_bytes_lower_bound = total_bytes = managed_stream.torrent_length
+        result = {
+            'streaming_url': None,
             'completed': managed_stream.completed,
-            'file_name': managed_stream.file_name if output_exists else None,
-            'download_directory': managed_stream.download_directory if output_exists else None,
-            'download_path': managed_stream.full_path if output_exists else None,
+            'file_name': None,
+            'download_directory': None,
+            'download_path': None,
             'points_paid': 0.0,
             'stopped': not managed_stream.running,
-            'stream_hash': managed_stream.stream_hash,
-            'stream_name': managed_stream.descriptor.stream_name,
-            'suggested_file_name': managed_stream.descriptor.suggested_file_name,
-            'sd_hash': managed_stream.descriptor.sd_hash,
-            'mime_type': managed_stream.mime_type,
-            'key': managed_stream.descriptor.key,
-            'total_bytes_lower_bound': managed_stream.descriptor.lower_bound_decrypted_length(),
-            'total_bytes': managed_stream.descriptor.upper_bound_decrypted_length(),
+            'stream_hash': None,
+            'stream_name': None,
+            'suggested_file_name': None,
+            'sd_hash': None,
+            'mime_type': None,
+            'key': None,
+            'total_bytes_lower_bound': total_bytes_lower_bound,
+            'total_bytes': total_bytes,
             'written_bytes': managed_stream.written_bytes,
-            'blobs_completed': managed_stream.blobs_completed,
-            'blobs_in_stream': managed_stream.blobs_in_stream,
-            'blobs_remaining': managed_stream.blobs_remaining,
+            'blobs_completed': None,
+            'blobs_in_stream': None,
+            'blobs_remaining': None,
             'status': managed_stream.status,
             'claim_id': managed_stream.claim_id,
             'txid': managed_stream.txid,
@@ -308,9 +316,37 @@ class JSONResponseEncoder(JSONEncoder):
             'height': tx_height,
             'confirmations': (best_height + 1) - tx_height if tx_height > 0 else tx_height,
             'timestamp': self.ledger.headers.estimated_timestamp(tx_height),
-            'is_fully_reflected': managed_stream.is_fully_reflected,
-            'reflector_progress': managed_stream.reflector_progress
+            'is_fully_reflected': False,
+            'reflector_progress': False,
+            'uploading_to_reflector': False
         }
+        if is_stream:
+            result.update({
+                'streaming_url': managed_stream.stream_url,
+                'stream_hash': managed_stream.stream_hash,
+                'stream_name': managed_stream.descriptor.stream_name,
+                'suggested_file_name': managed_stream.descriptor.suggested_file_name,
+                'sd_hash': managed_stream.descriptor.sd_hash,
+                'mime_type': managed_stream.mime_type,
+                'key': managed_stream.descriptor.key,
+                'blobs_completed': managed_stream.blobs_completed,
+                'blobs_in_stream': managed_stream.blobs_in_stream,
+                'blobs_remaining': managed_stream.blobs_remaining,
+                'is_fully_reflected': managed_stream.is_fully_reflected,
+                'reflector_progress': managed_stream.reflector_progress,
+                'uploading_to_reflector': managed_stream.uploading_to_reflector
+            })
+        else:
+            result.update({
+                'streaming_url': f'file://{managed_stream.full_path}',
+            })
+        if output_exists:
+            result.update({
+                'file_name': managed_stream.file_name,
+                'download_directory': managed_stream.download_directory,
+                'download_path': managed_stream.full_path,
+            })
+        return result
 
     def encode_claim(self, claim):
         encoded = getattr(claim, claim.claim_type).to_dict()

lbry/extras/daemon/storage.py

@@ -9,7 +9,7 @@ from typing import Optional
 from lbry.wallet import SQLiteMixin
 from lbry.conf import Config
 from lbry.wallet.dewies import dewies_to_lbc, lbc_to_dewies
-from lbry.wallet.transaction import Transaction
+from lbry.wallet.transaction import Transaction, Output
 from lbry.schema.claim import Claim
 from lbry.dht.constants import DATA_EXPIRATION
 from lbry.blob.blob_info import BlobInfo
@@ -727,6 +727,19 @@ class SQLiteStorage(SQLiteMixin):
         if claim_id_to_supports:
             await self.save_supports(claim_id_to_supports)
 
+    def save_claim_from_output(self, ledger, *outputs: Output):
+        return self.save_claims([{
+            "claim_id": output.claim_id,
+            "name": output.claim_name,
+            "amount": dewies_to_lbc(output.amount),
+            "address": output.get_address(ledger),
+            "txid": output.tx_ref.id,
+            "nout": output.position,
+            "value": output.claim,
+            "height": output.tx_ref.height,
+            "claim_sequence": -1,
+        } for output in outputs])
+
     def save_claims_for_resolve(self, claim_infos):
         to_save = {}
         for info in claim_infos:
@@ -740,7 +753,8 @@ class SQLiteStorage(SQLiteMixin):
         return self.save_claims(to_save.values())
 
     @staticmethod
-    def _save_content_claim(transaction, claim_outpoint, stream_hash):
+    def _save_content_claim(transaction, claim_outpoint, stream_hash=None, bt_infohash=None):
+        assert stream_hash or bt_infohash
         # get the claim id and serialized metadata
         claim_info = transaction.execute(
             "select claim_id, serialized_metadata from claim where claim_outpoint=?", (claim_outpoint,)
@@ -788,6 +802,19 @@ class SQLiteStorage(SQLiteMixin):
         if stream_hash in self.content_claim_callbacks:
             await self.content_claim_callbacks[stream_hash]()
 
+    async def save_torrent_content_claim(self, bt_infohash, claim_outpoint, length, name):
+        def _save_torrent(transaction):
+            transaction.execute(
+                "insert or replace into torrent values (?, NULL, ?, ?)", (bt_infohash, length, name)
+            ).fetchall()
+            transaction.execute(
+                "insert or replace into content_claim values (NULL, ?, ?)", (bt_infohash, claim_outpoint)
+            ).fetchall()
+        await self.db.run(_save_torrent)
+        # update corresponding ManagedEncryptedFileDownloader object
+        if bt_infohash in self.content_claim_callbacks:
+            await self.content_claim_callbacks[bt_infohash]()
+
     async def get_content_claim(self, stream_hash: str, include_supports: typing.Optional[bool] = True) -> typing.Dict:
         claims = await self.db.run(get_claims_from_stream_hashes, [stream_hash])
         claim = None
@@ -799,6 +826,10 @@ class SQLiteStorage(SQLiteMixin):
                 claim['effective_amount'] = calculate_effective_amount(claim['amount'], supports)
         return claim
 
+    async def get_content_claim_for_torrent(self, bt_infohash):
+        claims = await self.db.run(get_claims_from_torrent_info_hashes, [bt_infohash])
+        return claims[bt_infohash].as_dict() if claims else None
+
     # # # # # # # # # reflector functions # # # # # # # # #
 
     def update_reflected_stream(self, sd_hash, reflector_address, success=True):

lbry/file/file_manager.py

@@ -0,0 +1,290 @@
+import asyncio
+import logging
+import typing
+from typing import Optional
+from aiohttp.web import Request
+from lbry.error import ResolveError, DownloadSDTimeoutError, InsufficientFundsError
+from lbry.error import ResolveTimeoutError, DownloadDataTimeoutError, KeyFeeAboveMaxAllowedError
+from lbry.stream.managed_stream import ManagedStream
+from lbry.torrent.torrent_manager import TorrentSource
+from lbry.utils import cache_concurrent
+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
+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.extras.daemon.exchange_rate_manager import ExchangeRateManager
+
+log = logging.getLogger(__name__)
+
+
+class FileManager:
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', wallet_manager: 'WalletManager',
+                 storage: 'SQLiteStorage', analytics_manager: Optional['AnalyticsManager'] = None):
+        self.loop = loop
+        self.config = config
+        self.wallet_manager = wallet_manager
+        self.storage = storage
+        self.analytics_manager = analytics_manager
+        self.source_managers: typing.Dict[str, SourceManager] = {}
+        self.started = asyncio.Event()
+
+    @property
+    def streams(self):
+        return self.source_managers['stream']._sources
+
+    async def create_stream(self, file_path: str, key: Optional[bytes] = None, **kwargs) -> ManagedDownloadSource:
+        if 'stream' in self.source_managers:
+            return await self.source_managers['stream'].create(file_path, key, **kwargs)
+        raise NotImplementedError
+
+    async def start(self):
+        await asyncio.gather(*(source_manager.start() for source_manager in self.source_managers.values()))
+        for manager in self.source_managers.values():
+            await manager.started.wait()
+        self.started.set()
+
+    def stop(self):
+        for manager in self.source_managers.values():
+            # fixme: pop or not?
+            manager.stop()
+        self.started.clear()
+
+    @cache_concurrent
+    async def download_from_uri(self, uri, exchange_rate_manager: 'ExchangeRateManager',
+                                timeout: Optional[float] = None, file_name: Optional[str] = None,
+                                download_directory: Optional[str] = None,
+                                save_file: Optional[bool] = None, resolve_timeout: float = 3.0,
+                                wallet: Optional['Wallet'] = None) -> ManagedDownloadSource:
+
+        wallet = wallet or self.wallet_manager.default_wallet
+        timeout = timeout or self.config.download_timeout
+        start_time = self.loop.time()
+        resolved_time = None
+        stream = None
+        claim = None
+        error = None
+        outpoint = None
+        if save_file is None:
+            save_file = self.config.save_files
+        if file_name and not save_file:
+            save_file = True
+        if save_file:
+            download_directory = download_directory or self.config.download_dir
+        else:
+            download_directory = None
+
+        payment = None
+        try:
+            # resolve the claim
+            if not URL.parse(uri).has_stream:
+                raise ResolveError("cannot download a channel claim, specify a /path")
+            try:
+                resolved_result = await asyncio.wait_for(
+                    self.wallet_manager.ledger.resolve(wallet.accounts, [uri], include_purchase_receipt=True),
+                    resolve_timeout
+                )
+            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:
+                raise ResolveError(f"Unexpected error resolving uri for download: {resolved_result['error']}")
+            if not resolved_result or uri not in resolved_result:
+                raise ResolveError(f"Failed to resolve stream at '{uri}'")
+            txo = resolved_result[uri]
+            if isinstance(txo, dict):
+                raise ResolveError(f"Failed to resolve stream at '{uri}': {txo}")
+            claim = txo.claim
+            outpoint = f"{txo.tx_ref.id}:{txo.position}"
+            resolved_time = self.loop.time() - start_time
+            await self.storage.save_claim_from_output(self.wallet_manager.ledger, txo)
+
+            ####################
+            # update or replace
+            ####################
+
+            if claim.stream.source.bt_infohash:
+                source_manager = self.source_managers['torrent']
+                existing = source_manager.get_filtered(bt_infohash=claim.stream.source.bt_infohash)
+            else:
+                source_manager = self.source_managers['stream']
+                existing = source_manager.get_filtered(sd_hash=claim.stream.source.sd_hash)
+
+            # resume or update an existing stream, if the stream changed: download it and delete the old one after
+            to_replace, updated_stream = None, None
+            if existing and existing[0].claim_id != txo.claim_id:
+                raise ResolveError(f"stream for {existing[0].claim_id} collides with existing download {txo.claim_id}")
+            if existing:
+                log.info("claim contains a metadata only update to a stream we have")
+                if claim.stream.source.bt_infohash:
+                    await self.storage.save_torrent_content_claim(
+                        existing[0].identifier, outpoint, existing[0].torrent_length, existing[0].torrent_name
+                    )
+                    claim_info = await self.storage.get_content_claim_for_torrent(existing[0].identifier)
+                    existing[0].set_claim(claim_info, claim)
+                else:
+                    await self.storage.save_content_claim(
+                        existing[0].stream_hash, outpoint
+                    )
+                    await source_manager._update_content_claim(existing[0])
+                updated_stream = existing[0]
+            else:
+                existing_for_claim_id = self.get_filtered(claim_id=txo.claim_id)
+                if existing_for_claim_id:
+                    log.info("claim contains an update to a stream we have, downloading it")
+                    if save_file and existing_for_claim_id[0].output_file_exists:
+                        save_file = False
+                    if not claim.stream.source.bt_infohash:
+                        existing_for_claim_id[0].downloader.node = source_manager.node
+                    await existing_for_claim_id[0].start(timeout=timeout, save_now=save_file)
+                    if not existing_for_claim_id[0].output_file_exists and (
+                            save_file or file_name or download_directory):
+                        await existing_for_claim_id[0].save_file(
+                            file_name=file_name, download_directory=download_directory
+                        )
+                    to_replace = existing_for_claim_id[0]
+
+            # resume or update an existing stream, if the stream changed: download it and delete the old one after
+            if updated_stream:
+                log.info("already have stream for %s", uri)
+                if save_file and updated_stream.output_file_exists:
+                    save_file = False
+                if not claim.stream.source.bt_infohash:
+                    updated_stream.downloader.node = source_manager.node
+                await updated_stream.start(timeout=timeout, save_now=save_file)
+                if not updated_stream.output_file_exists and (save_file or file_name or download_directory):
+                    await updated_stream.save_file(
+                        file_name=file_name, download_directory=download_directory
+                    )
+                return updated_stream
+
+            ####################
+            # pay fee
+            ####################
+
+            if not to_replace and txo.has_price and not txo.purchase_receipt:
+                payment = await self.wallet_manager.create_purchase_transaction(
+                    wallet.accounts, txo, exchange_rate_manager
+                )
+
+            ####################
+            # make downloader and wait for start
+            ####################
+
+            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
+                )
+                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,
+                    analytics_manager=self.analytics_manager,
+                    torrent_session=source_manager.torrent_session
+                )
+            log.info("starting download for %s", uri)
+
+            before_download = self.loop.time()
+            await stream.start(timeout, save_file)
+
+            ####################
+            # success case: delete to_replace if applicable, broadcast fee payment
+            ####################
+
+            if to_replace:  # delete old stream now that the replacement has started downloading
+                await source_manager.delete(to_replace)
+
+            if payment is not None:
+                await self.wallet_manager.broadcast_or_release(payment)
+                payment = None  # to avoid releasing in `finally` later
+                log.info("paid fee of %s for %s", dewies_to_lbc(stream.content_fee.outputs[0].amount), uri)
+                await self.storage.save_content_fee(stream.stream_hash, stream.content_fee)
+
+            source_manager.add(stream)
+
+            if not claim.stream.source.bt_infohash:
+                await self.storage.save_content_claim(stream.stream_hash, outpoint)
+            else:
+                await self.storage.save_torrent_content_claim(
+                    stream.identifier, outpoint, stream.torrent_length, stream.torrent_name
+                )
+                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),
+                                       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
+            expected = (DownloadSDTimeoutError, DownloadDataTimeoutError, InsufficientFundsError,
+                        KeyFeeAboveMaxAllowedError)
+            if isinstance(err, expected):
+                log.warning("Failed to download %s: %s", uri, str(err))
+            elif isinstance(err, asyncio.CancelledError):
+                pass
+            else:
+                log.exception("Unexpected error downloading stream:")
+            error = err
+            raise
+        finally:
+            if payment is not None:
+                # payment is set to None after broadcasting, if we're here an exception probably happened
+                await self.wallet_manager.ledger.release_tx(payment)
+            if self.analytics_manager and claim and claim.stream.source.bt_infohash:
+                # TODO: analytics for torrents
+                pass
+            elif self.analytics_manager and (error or (stream and (stream.downloader.time_to_descriptor or
+                                                                   stream.downloader.time_to_first_bytes))):
+                server = self.wallet_manager.ledger.network.client.server
+                self.loop.create_task(
+                    self.analytics_manager.send_time_to_first_bytes(
+                        resolved_time, self.loop.time() - start_time, None if not stream else stream.download_id,
+                        uri, outpoint,
+                        None if not stream else len(stream.downloader.blob_downloader.active_connections),
+                        None if not stream else len(stream.downloader.blob_downloader.scores),
+                        None if not stream else len(stream.downloader.blob_downloader.connection_failures),
+                        False if not stream else stream.downloader.added_fixed_peers,
+                        self.config.fixed_peer_delay if not stream else stream.downloader.fixed_peers_delay,
+                        None if not stream else stream.sd_hash,
+                        None if not stream else stream.downloader.time_to_descriptor,
+                        None if not (stream and stream.descriptor) else stream.descriptor.blobs[0].blob_hash,
+                        None if not (stream and stream.descriptor) else stream.descriptor.blobs[0].length,
+                        None if not stream else stream.downloader.time_to_first_bytes,
+                        None if not error else error.__class__.__name__,
+                        None if not error else str(error),
+                        None if not server else f"{server[0]}:{server[1]}"
+                    )
+                )
+
+    async def stream_partial_content(self, request: Request, sd_hash: str):
+        return await self.source_managers['stream'].stream_partial_content(request, sd_hash)
+
+    def get_filtered(self, *args, **kwargs) -> typing.List[ManagedDownloadSource]:
+        """
+        Get a list of filtered and sorted ManagedStream objects
+
+        :param sort_by: field to sort by
+        :param reverse: reverse sorting
+        :param comparison: comparison operator used for filtering
+        :param search_by: fields and values to filter by
+        """
+        return sum((manager.get_filtered(*args, **kwargs) for manager in self.source_managers.values()), [])
+
+    async def delete(self, source: ManagedDownloadSource, delete_file=False):
+        for manager in self.source_managers.values():
+            await manager.delete(source, delete_file)

lbry/file/source.py

@@ -0,0 +1,161 @@
+import os
+import asyncio
+import typing
+import logging
+import binascii
+from typing import Optional
+from lbry.utils import generate_id
+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.wallet.transaction import Transaction
+    from lbry.extras.daemon.storage import SQLiteStorage
+
+log = logging.getLogger(__name__)
+
+
+class ManagedDownloadSource:
+    STATUS_RUNNING = "running"
+    STATUS_STOPPED = "stopped"
+    STATUS_FINISHED = "finished"
+
+    SAVING_ID = 1
+    STREAMING_ID = 2
+
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', storage: 'SQLiteStorage', identifier: str,
+                 file_name: Optional[str] = None, download_directory: Optional[str] = None,
+                 status: Optional[str] = STATUS_STOPPED, claim: Optional[StoredContentClaim] = None,
+                 download_id: Optional[str] = None, rowid: Optional[int] = None,
+                 content_fee: Optional['Transaction'] = None,
+                 analytics_manager: Optional['AnalyticsManager'] = None,
+                 added_on: Optional[int] = None):
+        self.loop = loop
+        self.storage = storage
+        self.config = config
+        self.identifier = identifier
+        self.download_directory = download_directory
+        self._file_name = file_name
+        self._status = status
+        self.stream_claim_info = claim
+        self.download_id = download_id or binascii.hexlify(generate_id()).decode()
+        self.rowid = rowid
+        self.content_fee = content_fee
+        self.purchase_receipt = None
+        self._added_on = added_on
+        self.analytics_manager = analytics_manager
+
+        self.saving = asyncio.Event(loop=self.loop)
+        self.finished_writing = asyncio.Event(loop=self.loop)
+        self.started_writing = asyncio.Event(loop=self.loop)
+        self.finished_write_attempt = asyncio.Event(loop=self.loop)
+
+    # @classmethod
+    # async def create(cls, loop: asyncio.AbstractEventLoop, config: 'Config', file_path: str,
+    #                  key: Optional[bytes] = None,
+    #                  iv_generator: Optional[typing.Generator[bytes, None, None]] = None) -> 'ManagedDownloadSource':
+    #     raise NotImplementedError()
+
+    async def start(self, timeout: Optional[float] = None, save_now: Optional[bool] = False):
+        raise NotImplementedError()
+
+    async def stop(self, finished: bool = False):
+        raise NotImplementedError()
+
+    async def save_file(self, file_name: Optional[str] = None, download_directory: Optional[str] = None):
+        raise NotImplementedError()
+
+    def stop_tasks(self):
+        raise NotImplementedError()
+
+    def set_claim(self, claim_info: typing.Dict, claim: 'Claim'):
+        self.stream_claim_info = StoredContentClaim(
+            f"{claim_info['txid']}:{claim_info['nout']}", claim_info['claim_id'],
+            claim_info['name'], claim_info['amount'], claim_info['height'],
+            binascii.hexlify(claim.to_bytes()).decode(), claim.signing_channel_id, claim_info['address'],
+            claim_info['claim_sequence'], claim_info.get('channel_name')
+        )
+
+    # async def update_content_claim(self, claim_info: Optional[typing.Dict] = None):
+    #     if not claim_info:
+    #         claim_info = await self.blob_manager.storage.get_content_claim(self.stream_hash)
+    #     self.set_claim(claim_info, claim_info['value'])
+
+    @property
+    def file_name(self) -> Optional[str]:
+        return self._file_name
+
+    @property
+    def added_on(self) -> Optional[int]:
+        return self._added_on
+
+    @property
+    def status(self) -> str:
+        return self._status
+
+    @property
+    def completed(self):
+        raise NotImplementedError()
+
+    # @property
+    # def stream_url(self):
+    #     return f"http://{self.config.streaming_host}:{self.config.streaming_port}/stream/{self.sd_hash}
+
+    @property
+    def finished(self) -> bool:
+        return self.status == self.STATUS_FINISHED
+
+    @property
+    def running(self) -> bool:
+        return self.status == self.STATUS_RUNNING
+
+    @property
+    def claim_id(self) -> Optional[str]:
+        return None if not self.stream_claim_info else self.stream_claim_info.claim_id
+
+    @property
+    def txid(self) -> Optional[str]:
+        return None if not self.stream_claim_info else self.stream_claim_info.txid
+
+    @property
+    def nout(self) -> Optional[int]:
+        return None if not self.stream_claim_info else self.stream_claim_info.nout
+
+    @property
+    def outpoint(self) -> Optional[str]:
+        return None if not self.stream_claim_info else self.stream_claim_info.outpoint
+
+    @property
+    def claim_height(self) -> Optional[int]:
+        return None if not self.stream_claim_info else self.stream_claim_info.height
+
+    @property
+    def channel_claim_id(self) -> Optional[str]:
+        return None if not self.stream_claim_info else self.stream_claim_info.channel_claim_id
+
+    @property
+    def channel_name(self) -> Optional[str]:
+        return None if not self.stream_claim_info else self.stream_claim_info.channel_name
+
+    @property
+    def claim_name(self) -> Optional[str]:
+        return None if not self.stream_claim_info else self.stream_claim_info.claim_name
+
+    @property
+    def metadata(self) -> Optional[typing.Dict]:
+        return None if not self.stream_claim_info else self.stream_claim_info.claim.stream.to_dict()
+
+    @property
+    def metadata_protobuf(self) -> bytes:
+        if self.stream_claim_info:
+            return binascii.hexlify(self.stream_claim_info.claim.to_bytes())
+
+    @property
+    def full_path(self) -> Optional[str]:
+        return os.path.join(self.download_directory, os.path.basename(self.file_name)) \
+            if self.file_name and self.download_directory else None
+
+    @property
+    def output_file_exists(self):
+        return os.path.isfile(self.full_path) if self.full_path else False

lbry/file/source_manager.py

@@ -0,0 +1,138 @@
+import os
+import asyncio
+import logging
+import typing
+from typing import Optional
+from lbry.file.source import ManagedDownloadSource
+if typing.TYPE_CHECKING:
+    from lbry.conf import Config
+    from lbry.extras.daemon.analytics import AnalyticsManager
+    from lbry.extras.daemon.storage import SQLiteStorage
+
+log = logging.getLogger(__name__)
+
+COMPARISON_OPERATORS = {
+    'eq': lambda a, b: a == b,
+    'ne': lambda a, b: a != b,
+    'g': lambda a, b: a > b,
+    'l': lambda a, b: a < b,
+    'ge': lambda a, b: a >= b,
+    'le': lambda a, b: a <= b,
+}
+
+
+class SourceManager:
+    filter_fields = {
+        'rowid',
+        'status',
+        'file_name',
+        'added_on',
+        'download_path',
+        'claim_name',
+        'claim_height',
+        'claim_id',
+        'outpoint',
+        'txid',
+        'nout',
+        'channel_claim_id',
+        'channel_name',
+        'completed'
+    }
+
+    set_filter_fields = {
+        "claim_ids": "claim_id",
+        "channel_claim_ids": "channel_claim_id",
+        "outpoints": "outpoint"
+    }
+
+    source_class = ManagedDownloadSource
+
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', storage: 'SQLiteStorage',
+                 analytics_manager: Optional['AnalyticsManager'] = None):
+        self.loop = loop
+        self.config = config
+        self.storage = storage
+        self.analytics_manager = analytics_manager
+        self._sources: typing.Dict[str, ManagedDownloadSource] = {}
+        self.started = asyncio.Event(loop=self.loop)
+
+    def add(self, source: ManagedDownloadSource):
+        self._sources[source.identifier] = source
+
+    def remove(self, source: ManagedDownloadSource):
+        if source.identifier not in self._sources:
+            return
+        self._sources.pop(source.identifier)
+        source.stop_tasks()
+
+    async def initialize_from_database(self):
+        raise NotImplementedError()
+
+    async def start(self):
+        await self.initialize_from_database()
+        self.started.set()
+
+    def stop(self):
+        while self._sources:
+            _, source = self._sources.popitem()
+            source.stop_tasks()
+        self.started.clear()
+
+    async def create(self, file_path: str, key: Optional[bytes] = None,
+                     iv_generator: Optional[typing.Generator[bytes, None, None]] = None) -> ManagedDownloadSource:
+        raise NotImplementedError()
+
+    async def delete(self, source: ManagedDownloadSource, delete_file: Optional[bool] = False):
+        self.remove(source)
+        if delete_file and source.output_file_exists:
+            os.remove(source.full_path)
+
+    def get_filtered(self, sort_by: Optional[str] = None, reverse: Optional[bool] = False,
+                     comparison: Optional[str] = None, **search_by) -> typing.List[ManagedDownloadSource]:
+        """
+        Get a list of filtered and sorted ManagedStream objects
+
+        :param sort_by: field to sort by
+        :param reverse: reverse sorting
+        :param comparison: comparison operator used for filtering
+        :param search_by: fields and values to filter by
+        """
+        if sort_by and sort_by not in self.filter_fields:
+            raise ValueError(f"'{sort_by}' is not a valid field to sort by")
+        if comparison and comparison not in COMPARISON_OPERATORS:
+            raise ValueError(f"'{comparison}' is not a valid comparison")
+        if 'full_status' in search_by:
+            del search_by['full_status']
+
+        for search in search_by:
+            if search not in self.filter_fields:
+                raise ValueError(f"'{search}' is not a valid search operation")
+
+        compare_sets = {}
+        if isinstance(search_by.get('claim_id'), list):
+            compare_sets['claim_ids'] = search_by.pop('claim_id')
+        if isinstance(search_by.get('outpoint'), list):
+            compare_sets['outpoints'] = search_by.pop('outpoint')
+        if isinstance(search_by.get('channel_claim_id'), list):
+            compare_sets['channel_claim_ids'] = search_by.pop('channel_claim_id')
+
+        if search_by or compare_sets:
+            comparison = comparison or 'eq'
+            streams = []
+            for stream in self._sources.values():
+                if compare_sets and not all(
+                        getattr(stream, self.set_filter_fields[set_search]) in val
+                        for set_search, val in compare_sets.items()):
+                    continue
+                if search_by and not all(
+                        COMPARISON_OPERATORS[comparison](getattr(stream, search), val)
+                        for search, val in search_by.items()):
+                    continue
+                streams.append(stream)
+        else:
+            streams = list(self._sources.values())
+        if sort_by:
+            streams.sort(key=lambda s: getattr(s, sort_by))
+            if reverse:
+                streams.reverse()
+        return streams

lbry/prometheus.py

@@ -0,0 +1,32 @@
+import logging
+from aiohttp import web
+from prometheus_client import generate_latest as prom_generate_latest
+
+
+class PrometheusServer:
+    def __init__(self, logger=None):
+        self.runner = None
+        self.logger = logger or logging.getLogger(__name__)
+
+    async def start(self, interface: str, port: int):
+        prom_app = web.Application()
+        prom_app.router.add_get('/metrics', self.handle_metrics_get_request)
+        self.runner = web.AppRunner(prom_app)
+        await self.runner.setup()
+
+        metrics_site = web.TCPSite(self.runner, interface, port, shutdown_timeout=.5)
+        await metrics_site.start()
+        self.logger.info('metrics server listening on %s:%i', *metrics_site._server.sockets[0].getsockname()[:2])
+
+    async def handle_metrics_get_request(self, request: web.Request):
+        try:
+            return web.Response(
+                text=prom_generate_latest().decode(),
+                content_type='text/plain; version=0.0.4'
+            )
+        except Exception:
+            self.logger.exception('could not generate prometheus data')
+            raise
+
+    async def stop(self):
+        await self.runner.cleanup()

lbry/stream/descriptor.py

@@ -44,16 +44,23 @@ def random_iv_generator() -> typing.Generator[bytes, None, None]:
         yield os.urandom(AES.block_size // 8)
 
 
-def file_reader(file_path: str):
+def read_bytes(file_path: str, offset: int, to_read: int):
+    with open(file_path, 'rb') as f:
+        f.seek(offset)
+        return f.read(to_read)
+
+
+async def file_reader(file_path: str):
     length = int(os.stat(file_path).st_size)
     offset = 0
 
-    with open(file_path, 'rb') as stream_file:
     while offset < length:
         bytes_to_read = min((length - offset), MAX_BLOB_SIZE - 1)
         if not bytes_to_read:
             break
-            blob_bytes = stream_file.read(bytes_to_read)
+        blob_bytes = await asyncio.get_event_loop().run_in_executor(
+            None, read_bytes, file_path, offset, bytes_to_read
+        )
         yield blob_bytes
         offset += bytes_to_read
 
@@ -245,7 +252,7 @@ class StreamDescriptor:
         iv_generator = iv_generator or random_iv_generator()
         key = key or os.urandom(AES.block_size // 8)
         blob_num = -1
-        for blob_bytes in file_reader(file_path):
+        async for blob_bytes in file_reader(file_path):
             blob_num += 1
             blob_info = await BlobFile.create_from_unencrypted(
                 loop, blob_dir, key, next(iv_generator), blob_bytes, blob_num, blob_completed_callback

lbry/stream/downloader.py

@@ -51,15 +51,15 @@ class StreamDownloader:
         def _delayed_add_fixed_peers():
             self.added_fixed_peers = True
             self.peer_queue.put_nowait([
-                make_kademlia_peer(None, address, None, tcp_port=port + 1, allow_localhost=True)
+                make_kademlia_peer(None, address, None, tcp_port=port, allow_localhost=True)
                 for address, port in addresses
             ])
 
-        if not self.config.reflector_servers:
+        if not self.config.fixed_peers:
             return
         addresses = [
-            (await resolve_host(url, port + 1, proto='tcp'), port)
-            for url, port in self.config.reflector_servers
+            (await resolve_host(url, port, proto='tcp'), port)
+            for url, port in self.config.fixed_peers
         ]
         if 'dht' in self.config.components_to_skip or not self.node or not \
                 len(self.node.protocol.routing_table.get_peers()) > 0:
@@ -92,8 +92,8 @@ class StreamDownloader:
 
     async def start(self, node: typing.Optional['Node'] = None, connection_id: int = 0):
         # set up peer accumulation
-        if node:
-            self.node = node
+        self.node = node or self.node  # fixme: this shouldnt be set here!
+        if self.node:
             if self.accumulate_task and not self.accumulate_task.done():
                 self.accumulate_task.cancel()
             _, self.accumulate_task = self.node.accumulate_peers(self.search_queue, self.peer_queue)

lbry/stream/managed_stream.py

@@ -3,9 +3,8 @@ import asyncio
 import time
 import typing
 import logging
-import binascii
+from typing import Optional
 from aiohttp.web import Request, StreamResponse, HTTPRequestRangeNotSatisfiable
-from lbry.utils import generate_id
 from lbry.error import DownloadSDTimeoutError
 from lbry.schema.mime_types import guess_media_type
 from lbry.stream.downloader import StreamDownloader
@@ -13,6 +12,7 @@ from lbry.stream.descriptor import StreamDescriptor, sanitize_file_name
 from lbry.stream.reflector.client import StreamReflectorClient
 from lbry.extras.daemon.storage import StoredContentClaim
 from lbry.blob import MAX_BLOB_SIZE
+from lbry.file.source import ManagedDownloadSource
 
 if typing.TYPE_CHECKING:
     from lbry.conf import Config
@@ -40,78 +40,35 @@ async def get_next_available_file_name(loop: asyncio.AbstractEventLoop, download
     return await loop.run_in_executor(None, _get_next_available_file_name, download_directory, file_name)
 
 
-class ManagedStream:
-    STATUS_RUNNING = "running"
-    STATUS_STOPPED = "stopped"
-    STATUS_FINISHED = "finished"
-
-    SAVING_ID = 1
-    STREAMING_ID = 2
-
-    __slots__ = [
-        'loop',
-        'config',
-        'blob_manager',
-        'sd_hash',
-        'download_directory',
-        '_file_name',
-        '_added_on',
-        '_status',
-        'stream_claim_info',
-        'download_id',
-        'rowid',
-        'content_fee',
-        'purchase_receipt',
-        'downloader',
-        'analytics_manager',
-        'fully_reflected',
-        'reflector_progress',
-        'file_output_task',
-        'delayed_stop_task',
-        'streaming_responses',
-        'streaming',
-        '_running',
-        'saving',
-        'finished_writing',
-        'started_writing',
-        'finished_write_attempt'
-    ]
-
+class ManagedStream(ManagedDownloadSource):
     def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
-                 sd_hash: str, download_directory: typing.Optional[str] = None, file_name: typing.Optional[str] = None,
-                 status: typing.Optional[str] = STATUS_STOPPED, claim: typing.Optional[StoredContentClaim] = None,
-                 download_id: typing.Optional[str] = None, rowid: typing.Optional[int] = None,
-                 descriptor: typing.Optional[StreamDescriptor] = None,
-                 content_fee: typing.Optional['Transaction'] = None,
-                 analytics_manager: typing.Optional['AnalyticsManager'] = None,
-                 added_on: typing.Optional[int] = None):
-        self.loop = loop
-        self.config = config
+                 sd_hash: str, download_directory: Optional[str] = None, file_name: Optional[str] = None,
+                 status: Optional[str] = ManagedDownloadSource.STATUS_STOPPED,
+                 claim: Optional[StoredContentClaim] = None,
+                 download_id: Optional[str] = None, rowid: Optional[int] = None,
+                 descriptor: Optional[StreamDescriptor] = None,
+                 content_fee: Optional['Transaction'] = None,
+                 analytics_manager: Optional['AnalyticsManager'] = None,
+                 added_on: Optional[int] = None):
+        super().__init__(loop, config, blob_manager.storage, sd_hash, file_name, download_directory, status, claim,
+                         download_id, rowid, content_fee, analytics_manager, added_on)
         self.blob_manager = blob_manager
-        self.sd_hash = sd_hash
-        self.download_directory = download_directory
-        self._file_name = file_name
-        self._status = status
-        self.stream_claim_info = claim
-        self.download_id = download_id or binascii.hexlify(generate_id()).decode()
-        self.rowid = rowid
-        self.content_fee = content_fee
         self.purchase_receipt = None
-        self._added_on = added_on
         self.downloader = StreamDownloader(self.loop, self.config, self.blob_manager, sd_hash, descriptor)
         self.analytics_manager = analytics_manager
 
-        self.fully_reflected = asyncio.Event(loop=self.loop)
         self.reflector_progress = 0
+        self.uploading_to_reflector = False
         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.streaming = asyncio.Event(loop=self.loop)
         self._running = asyncio.Event(loop=self.loop)
-        self.saving = asyncio.Event(loop=self.loop)
-        self.finished_writing = asyncio.Event(loop=self.loop)
-        self.started_writing = asyncio.Event(loop=self.loop)
-        self.finished_write_attempt = asyncio.Event(loop=self.loop)
+
+    @property
+    def sd_hash(self) -> str:
+        return self.identifier
 
     @property
     def is_fully_reflected(self) -> bool:
@@ -126,17 +83,9 @@ class ManagedStream:
         return self.descriptor.stream_hash
 
     @property
-    def file_name(self) -> typing.Optional[str]:
+    def file_name(self) -> Optional[str]:
         return self._file_name or (self.descriptor.suggested_file_name if self.descriptor else None)
 
-    @property
-    def added_on(self) -> typing.Optional[int]:
-        return self._added_on
-
-    @property
-    def status(self) -> str:
-        return self._status
-
     @property
     def written_bytes(self) -> int:
         return 0 if not self.output_file_exists else os.stat(self.full_path).st_size
@@ -154,55 +103,6 @@ class ManagedStream:
         self._status = status
         await self.blob_manager.storage.change_file_status(self.stream_hash, status)
 
-    @property
-    def finished(self) -> bool:
-        return self.status == self.STATUS_FINISHED
-
-    @property
-    def running(self) -> bool:
-        return self.status == self.STATUS_RUNNING
-
-    @property
-    def claim_id(self) -> typing.Optional[str]:
-        return None if not self.stream_claim_info else self.stream_claim_info.claim_id
-
-    @property
-    def txid(self) -> typing.Optional[str]:
-        return None if not self.stream_claim_info else self.stream_claim_info.txid
-
-    @property
-    def nout(self) -> typing.Optional[int]:
-        return None if not self.stream_claim_info else self.stream_claim_info.nout
-
-    @property
-    def outpoint(self) -> typing.Optional[str]:
-        return None if not self.stream_claim_info else self.stream_claim_info.outpoint
-
-    @property
-    def claim_height(self) -> typing.Optional[int]:
-        return None if not self.stream_claim_info else self.stream_claim_info.height
-
-    @property
-    def channel_claim_id(self) -> typing.Optional[str]:
-        return None if not self.stream_claim_info else self.stream_claim_info.channel_claim_id
-
-    @property
-    def channel_name(self) -> typing.Optional[str]:
-        return None if not self.stream_claim_info else self.stream_claim_info.channel_name
-
-    @property
-    def claim_name(self) -> typing.Optional[str]:
-        return None if not self.stream_claim_info else self.stream_claim_info.claim_name
-
-    @property
-    def metadata(self) -> typing.Optional[typing.Dict]:
-        return None if not self.stream_claim_info else self.stream_claim_info.claim.stream.to_dict()
-
-    @property
-    def metadata_protobuf(self) -> bytes:
-        if self.stream_claim_info:
-            return binascii.hexlify(self.stream_claim_info.claim.to_bytes())
-
     @property
     def blobs_completed(self) -> int:
         return sum([1 if b.blob_hash in self.blob_manager.completed_blob_hashes else 0
@@ -216,39 +116,34 @@ class ManagedStream:
     def blobs_remaining(self) -> int:
         return self.blobs_in_stream - self.blobs_completed
 
-    @property
-    def full_path(self) -> typing.Optional[str]:
-        return os.path.join(self.download_directory, os.path.basename(self.file_name)) \
-            if self.file_name and self.download_directory else None
-
-    @property
-    def output_file_exists(self):
-        return os.path.isfile(self.full_path) if self.full_path else False
-
     @property
     def mime_type(self):
         return guess_media_type(os.path.basename(self.descriptor.suggested_file_name))[0]
 
-    @classmethod
-    async def create(cls, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
-                     file_path: str, key: typing.Optional[bytes] = None,
-                     iv_generator: typing.Optional[typing.Generator[bytes, None, None]] = None) -> 'ManagedStream':
-        """
-        Generate a stream from a file and save it to the db
-        """
-        descriptor = await StreamDescriptor.create_stream(
-            loop, blob_manager.blob_dir, file_path, key=key, iv_generator=iv_generator,
-            blob_completed_callback=blob_manager.blob_completed
-        )
-        await blob_manager.storage.store_stream(
-            blob_manager.get_blob(descriptor.sd_hash), descriptor
-        )
-        row_id = await blob_manager.storage.save_published_file(descriptor.stream_hash, os.path.basename(file_path),
-                                                                os.path.dirname(file_path), 0)
-        return cls(loop, config, blob_manager, descriptor.sd_hash, os.path.dirname(file_path),
-                   os.path.basename(file_path), status=cls.STATUS_FINISHED, rowid=row_id, descriptor=descriptor)
+    @property
+    def download_path(self):
+        return f"{self.download_directory}/{self._file_name}" if self.download_directory and self._file_name else None
 
-    async def start(self, node: typing.Optional['Node'] = None, timeout: typing.Optional[float] = None,
+    # @classmethod
+    # async def create(cls, loop: asyncio.AbstractEventLoop, config: 'Config',
+    #                  file_path: str, key: Optional[bytes] = None,
+    #                  iv_generator: Optional[typing.Generator[bytes, None, None]] = None) -> 'ManagedDownloadSource':
+    #     """
+    #     Generate a stream from a file and save it to the db
+    #     """
+    #     descriptor = await StreamDescriptor.create_stream(
+    #         loop, blob_manager.blob_dir, file_path, key=key, iv_generator=iv_generator,
+    #         blob_completed_callback=blob_manager.blob_completed
+    #     )
+    #     await blob_manager.storage.store_stream(
+    #         blob_manager.get_blob(descriptor.sd_hash), descriptor
+    #     )
+    #     row_id = await blob_manager.storage.save_published_file(descriptor.stream_hash, os.path.basename(file_path),
+    #                                                             os.path.dirname(file_path), 0)
+    #     return cls(loop, config, blob_manager, descriptor.sd_hash, os.path.dirname(file_path),
+    #                os.path.basename(file_path), status=cls.STATUS_FINISHED, rowid=row_id, descriptor=descriptor)
+
+    async def start(self, timeout: Optional[float] = None,
                     save_now: bool = False):
         timeout = timeout or self.config.download_timeout
         if self._running.is_set():
@@ -256,7 +151,7 @@ class ManagedStream:
         log.info("start downloader for stream (sd hash: %s)", self.sd_hash)
         self._running.set()
         try:
-            await asyncio.wait_for(self.downloader.start(node), timeout, loop=self.loop)
+            await asyncio.wait_for(self.downloader.start(), timeout, loop=self.loop)
         except asyncio.TimeoutError:
             self._running.clear()
             raise DownloadSDTimeoutError(self.sd_hash)
@@ -266,6 +161,11 @@ class ManagedStream:
         self.delayed_stop_task = self.loop.create_task(self._delayed_stop())
         if not await self.blob_manager.storage.file_exists(self.sd_hash):
             if save_now:
+                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)
+                    )
                 file_name, download_dir = self._file_name, self.download_directory
             else:
                 file_name, download_dir = None, None
@@ -285,7 +185,7 @@ class ManagedStream:
         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)
 
-    async def _aiter_read_stream(self, start_blob_num: typing.Optional[int] = 0, connection_id: int = 0)\
+    async def _aiter_read_stream(self, start_blob_num: Optional[int] = 0, connection_id: int = 0)\
             -> typing.AsyncIterator[typing.Tuple['BlobInfo', bytes]]:
         if start_blob_num >= len(self.descriptor.blobs[:-1]):
             raise IndexError(start_blob_num)
@@ -297,13 +197,13 @@ class ManagedStream:
                 decrypted = await self.downloader.read_blob(blob_info, connection_id)
             yield (blob_info, decrypted)
 
-    async def stream_file(self, request: Request, node: typing.Optional['Node'] = None) -> StreamResponse:
+    async def stream_file(self, request: Request) -> StreamResponse:
         log.info("stream file to browser for lbry://%s#%s (sd hash %s...)", self.claim_name, self.claim_id,
                  self.sd_hash[:6])
         headers, size, skip_blobs, first_blob_start_offset = self._prepare_range_response_headers(
             request.headers.get('range', 'bytes=0-')
         )
-        await self.start(node)
+        await self.start()
         response = StreamResponse(
             status=206,
             headers=headers
@@ -341,7 +241,8 @@ class ManagedStream:
                 self.streaming.clear()
 
     @staticmethod
-    def _write_decrypted_blob(handle: typing.IO, data: bytes):
+    def _write_decrypted_blob(output_path: str, data: bytes):
+        with open(output_path, 'ab') as handle:
             handle.write(data)
             handle.flush()
 
@@ -353,10 +254,10 @@ class ManagedStream:
         self.finished_writing.clear()
         self.started_writing.clear()
         try:
-            with open(output_path, 'wb') as file_write_handle:
+            open(output_path, 'wb').close()
             async for blob_info, decrypted in self._aiter_read_stream(connection_id=self.SAVING_ID):
                 log.info("write blob %i/%i", blob_info.blob_num + 1, len(self.descriptor.blobs) - 1)
-                    await self.loop.run_in_executor(None, self._write_decrypted_blob, file_write_handle, decrypted)
+                await self.loop.run_in_executor(None, self._write_decrypted_blob, output_path, decrypted)
                 if not self.started_writing.is_set():
                     self.started_writing.set()
             await self.update_status(ManagedStream.STATUS_FINISHED)
@@ -388,9 +289,8 @@ class ManagedStream:
             self.saving.clear()
             self.finished_write_attempt.set()
 
-    async def save_file(self, file_name: typing.Optional[str] = None, download_directory: typing.Optional[str] = None,
-                        node: typing.Optional['Node'] = None):
-        await self.start(node)
+    async def save_file(self, file_name: Optional[str] = None, download_directory: Optional[str] = None):
+        await self.start()
         if self.file_output_task and not self.file_output_task.done():  # cancel an already running save task
             self.file_output_task.cancel()
         self.download_directory = download_directory or self.download_directory or self.config.download_dir
@@ -432,6 +332,7 @@ class ManagedStream:
         sent = []
         protocol = StreamReflectorClient(self.blob_manager, self.descriptor)
         try:
+            self.uploading_to_reflector = True
             await self.loop.create_connection(lambda: protocol, host, port)
             await protocol.send_handshake()
             sent_sd, needed = await protocol.send_descriptor()
@@ -458,20 +359,13 @@ class ManagedStream:
         finally:
             if protocol.transport:
                 protocol.transport.close()
+            self.uploading_to_reflector = False
         if not self.fully_reflected.is_set():
             self.fully_reflected.set()
             await self.blob_manager.storage.update_reflected_stream(self.sd_hash, f"{host}:{port}")
         return sent
 
-    def set_claim(self, claim_info: typing.Dict, claim: 'Claim'):
-        self.stream_claim_info = StoredContentClaim(
-            f"{claim_info['txid']}:{claim_info['nout']}", claim_info['claim_id'],
-            claim_info['name'], claim_info['amount'], claim_info['height'],
-            binascii.hexlify(claim.to_bytes()).decode(), claim.signing_channel_id, claim_info['address'],
-            claim_info['claim_sequence'], claim_info.get('channel_name')
-        )
-
-    async def update_content_claim(self, claim_info: typing.Optional[typing.Dict] = None):
+    async def update_content_claim(self, claim_info: Optional[typing.Dict] = None):
         if not claim_info:
             claim_info = await self.blob_manager.storage.get_content_claim(self.stream_hash)
         self.set_claim(claim_info, claim_info['value'])

lbry/stream/reflector/client.py

@@ -35,6 +35,8 @@ class StreamReflectorClient(asyncio.Protocol):
     def connection_lost(self, exc: typing.Optional[Exception]):
         self.transport = None
         self.connected.clear()
+        if self.pending_request:
+            self.pending_request.cancel()
         if self.reflected_blobs:
             log.info("Finished sending reflector %i blobs", len(self.reflected_blobs))
 
@@ -56,11 +58,11 @@ class StreamReflectorClient(asyncio.Protocol):
                 self.response_buff = b''
             return
 
-    async def send_request(self, request_dict: typing.Dict):
+    async def send_request(self, request_dict: typing.Dict, timeout: int = 180):
         msg = json.dumps(request_dict)
         self.transport.write(msg.encode())
         try:
-            self.pending_request = self.loop.create_task(self.response_queue.get())
+            self.pending_request = self.loop.create_task(asyncio.wait_for(self.response_queue.get(), timeout))
             return await self.pending_request
         finally:
             self.pending_request = None
@@ -87,7 +89,7 @@ class StreamReflectorClient(asyncio.Protocol):
         sent_sd = False
         if response['send_sd_blob']:
             await sd_blob.sendfile(self)
-            received = await self.response_queue.get()
+            received = await asyncio.wait_for(self.response_queue.get(), 30)
             if received.get('received_sd_blob'):
                 sent_sd = True
                 if not needed:
@@ -111,7 +113,7 @@ class StreamReflectorClient(asyncio.Protocol):
             raise ValueError("I don't know whether to send the blob or not!")
         if response['send_blob']:
             await blob.sendfile(self)
-            received = await self.response_queue.get()
+            received = await asyncio.wait_for(self.response_queue.get(), 30)
             if received.get('received_blob'):
                 self.reflected_blobs.append(blob.blob_hash)
                 log.info("Sent reflector blob %s", blob.blob_hash[:8])

lbry/stream/stream_manager.py

@@ -6,93 +6,67 @@ import random
 import typing
 from typing import Optional
 from aiohttp.web import Request
-from lbry.error import ResolveError, InvalidStreamDescriptorError, DownloadSDTimeoutError, InsufficientFundsError
-from lbry.error import ResolveTimeoutError, DownloadDataTimeoutError, KeyFeeAboveMaxAllowedError
-from lbry.utils import cache_concurrent
+from lbry.error import InvalidStreamDescriptorError
+from lbry.file.source_manager import SourceManager
 from lbry.stream.descriptor import StreamDescriptor
 from lbry.stream.managed_stream import ManagedStream
-from lbry.schema.claim import Claim
-from lbry.schema.url import URL
-from lbry.wallet.dewies import dewies_to_lbc
-from lbry.wallet import Output
-
+from lbry.file.source import ManagedDownloadSource
 if typing.TYPE_CHECKING:
     from lbry.conf import Config
     from lbry.blob.blob_manager import BlobManager
     from lbry.dht.node import Node
+    from lbry.wallet.wallet import WalletManager
+    from lbry.wallet.transaction import Transaction
     from lbry.extras.daemon.analytics import AnalyticsManager
     from lbry.extras.daemon.storage import SQLiteStorage, StoredContentClaim
-    from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager
-    from lbry.wallet.transaction import Transaction
-    from lbry.wallet.manager import WalletManager
-    from lbry.wallet.wallet import Wallet
 
 log = logging.getLogger(__name__)
 
-FILTER_FIELDS = [
-    'rowid',
-    'status',
-    'file_name',
-    'added_on',
+
+def path_or_none(encoded_path) -> Optional[str]:
+    if not encoded_path:
+        return
+    return binascii.unhexlify(encoded_path).decode()
+
+
+class StreamManager(SourceManager):
+    _sources: typing.Dict[str, ManagedStream]
+
+    filter_fields = SourceManager.filter_fields
+    filter_fields.update({
         'sd_hash',
         'stream_hash',
-    'claim_name',
-    'claim_height',
-    'claim_id',
-    'outpoint',
-    'txid',
-    'nout',
-    'channel_claim_id',
-    'channel_name',
         'full_status',  # TODO: remove
         'blobs_remaining',
-    'blobs_in_stream'
-]
+        'blobs_in_stream',
+        'uploading_to_reflector',
+        'is_fully_reflected'
+    })
 
-SET_FILTER_FIELDS = {
-    "claim_ids": "claim_id",
-    "channel_claim_ids": "channel_claim_id",
-    "outpoints": "outpoint"
-}
-
-COMPARISON_OPERATORS = {
-    'eq': lambda a, b: a == b,
-    'ne': lambda a, b: a != b,
-    'g': lambda a, b: a > b,
-    'l': lambda a, b: a < b,
-    'ge': lambda a, b: a >= b,
-    'le': lambda a, b: a <= b,
-    'in': lambda a, b: a in b
-}
-
-
-def path_or_none(path) -> Optional[str]:
-    if not path:
-        return
-    return binascii.unhexlify(path).decode()
-
-
-class StreamManager:
     def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
                  wallet_manager: 'WalletManager', storage: 'SQLiteStorage', node: Optional['Node'],
                  analytics_manager: Optional['AnalyticsManager'] = None):
-        self.loop = loop
-        self.config = config
+        super().__init__(loop, config, storage, analytics_manager)
         self.blob_manager = blob_manager
         self.wallet_manager = wallet_manager
-        self.storage = storage
         self.node = node
-        self.analytics_manager = analytics_manager
-        self.streams: typing.Dict[str, ManagedStream] = {}
         self.resume_saving_task: Optional[asyncio.Task] = None
         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)
 
+    @property
+    def streams(self):
+        return self._sources
+
+    def add(self, source: ManagedStream):
+        super().add(source)
+        self.storage.content_claim_callbacks[source.stream_hash] = lambda: self._update_content_claim(source)
+
     async def _update_content_claim(self, stream: ManagedStream):
         claim_info = await self.storage.get_content_claim(stream.stream_hash)
-        self.streams.setdefault(stream.sd_hash, stream).set_claim(claim_info, claim_info['value'])
+        self._sources.setdefault(stream.sd_hash, stream).set_claim(claim_info, claim_info['value'])
 
     async def recover_streams(self, file_infos: typing.List[typing.Dict]):
         to_restore = []
@@ -123,10 +97,10 @@ class StreamManager:
         # if self.blob_manager._save_blobs:
         #     log.info("Recovered %i/%i attempted streams", len(to_restore), len(file_infos))
 
-    async def add_stream(self, rowid: int, sd_hash: str, file_name: Optional[str],
+    async def _load_stream(self, rowid: int, sd_hash: str, file_name: Optional[str],
                            download_directory: Optional[str], status: str,
                            claim: Optional['StoredContentClaim'], content_fee: Optional['Transaction'],
-                         added_on: Optional[int], fully_reflected: bool):
+                           added_on: Optional[int], fully_reflected: Optional[bool]):
         try:
             descriptor = await self.blob_manager.get_stream_descriptor(sd_hash)
         except InvalidStreamDescriptorError as err:
@@ -139,10 +113,9 @@ class StreamManager:
         )
         if fully_reflected:
             stream.fully_reflected.set()
-        self.streams[sd_hash] = stream
-        self.storage.content_claim_callbacks[stream.stream_hash] = lambda: self._update_content_claim(stream)
+        self.add(stream)
 
-    async def load_and_resume_streams_from_database(self):
+    async def initialize_from_database(self):
         to_recover = []
         to_start = []
 
@@ -156,7 +129,6 @@ class StreamManager:
                 to_recover.append(file_info)
             to_start.append(file_info)
         if to_recover:
-            log.info("Recover %i files", len(to_recover))
             await self.recover_streams(to_recover)
 
         log.info("Initializing %i files", len(to_start))
@@ -167,7 +139,7 @@ class StreamManager:
             download_directory = path_or_none(file_info['download_directory'])
             if file_name and download_directory and not file_info['saved_file'] and file_info['status'] == 'running':
                 to_resume_saving.append((file_name, download_directory, file_info['sd_hash']))
-            add_stream_tasks.append(self.loop.create_task(self.add_stream(
+            add_stream_tasks.append(self.loop.create_task(self._load_stream(
                 file_info['rowid'], file_info['sd_hash'], file_name,
                 download_directory, file_info['status'],
                 file_info['claim'], file_info['content_fee'],
@@ -175,25 +147,22 @@ class StreamManager:
             )))
         if add_stream_tasks:
             await asyncio.gather(*add_stream_tasks, loop=self.loop)
-        log.info("Started stream manager with %i files", len(self.streams))
+        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")
         if to_resume_saving:
-            self.resume_saving_task = self.loop.create_task(self.resume(to_resume_saving))
-
-    async def resume(self, to_resume_saving):
             log.info("Resuming saving %i files", len(to_resume_saving))
-        await asyncio.gather(
-            *(self.streams[sd_hash].save_file(file_name, download_directory, node=self.node)
+            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):
         while True:
             if self.config.reflect_streams and self.config.reflector_servers:
                 sd_hashes = await self.storage.get_streams_to_re_reflect()
-                sd_hashes = [sd for sd in sd_hashes if sd in self.streams]
+                sd_hashes = [sd for sd in sd_hashes if sd in self._sources]
                 batch = []
                 while sd_hashes:
                     stream = self.streams[sd_hashes.pop()]
@@ -209,18 +178,15 @@ class StreamManager:
             await asyncio.sleep(300, loop=self.loop)
 
     async def start(self):
-        await self.load_and_resume_streams_from_database()
+        await super().start()
         self.re_reflect_task = self.loop.create_task(self.reflect_streams())
-        self.started.set()
 
     def stop(self):
+        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():
             self.re_reflect_task.cancel()
-        while self.streams:
-            _, stream = self.streams.popitem()
-            stream.stop_tasks()
         while self.update_stream_finished_futs:
             self.update_stream_finished_futs.pop().cancel()
         while self.running_reflector_uploads:
@@ -243,280 +209,45 @@ class StreamManager:
         )
         return task
 
-    async def create_stream(self, file_path: str, key: Optional[bytes] = None,
+    async def create(self, file_path: str, key: Optional[bytes] = None,
                      iv_generator: Optional[typing.Generator[bytes, None, None]] = None) -> ManagedStream:
-        stream = await ManagedStream.create(self.loop, self.config, self.blob_manager, file_path, key, iv_generator)
+        descriptor = await StreamDescriptor.create_stream(
+            self.loop, self.blob_manager.blob_dir, file_path, key=key, iv_generator=iv_generator,
+            blob_completed_callback=self.blob_manager.blob_completed
+        )
+        await self.storage.store_stream(
+            self.blob_manager.get_blob(descriptor.sd_hash), descriptor
+        )
+        row_id = await self.storage.save_published_file(
+            descriptor.stream_hash, os.path.basename(file_path), os.path.dirname(file_path), 0
+        )
+        stream = ManagedStream(
+            self.loop, self.config, self.blob_manager, descriptor.sd_hash, os.path.dirname(file_path),
+            os.path.basename(file_path), status=ManagedDownloadSource.STATUS_FINISHED,
+            rowid=row_id, descriptor=descriptor
+        )
         self.streams[stream.sd_hash] = stream
         self.storage.content_claim_callbacks[stream.stream_hash] = lambda: self._update_content_claim(stream)
         if self.config.reflect_streams and self.config.reflector_servers:
             self.reflect_stream(stream)
         return stream
 
-    async def delete_stream(self, stream: ManagedStream, delete_file: Optional[bool] = False):
-        if stream.sd_hash in self.running_reflector_uploads:
-            self.running_reflector_uploads[stream.sd_hash].cancel()
-        stream.stop_tasks()
-        if stream.sd_hash in self.streams:
-            del self.streams[stream.sd_hash]
-        blob_hashes = [stream.sd_hash] + [b.blob_hash for b in stream.descriptor.blobs[:-1]]
+    async def delete(self, source: ManagedDownloadSource, delete_file: Optional[bool] = False):
+        if not isinstance(source, ManagedStream):
+            return
+        if source.identifier in self.running_reflector_uploads:
+            self.running_reflector_uploads[source.identifier].cancel()
+        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]]
         await self.blob_manager.delete_blobs(blob_hashes, delete_from_db=False)
-        await self.storage.delete_stream(stream.descriptor)
-        if delete_file and stream.output_file_exists:
-            os.remove(stream.full_path)
-
-    def get_stream_by_stream_hash(self, stream_hash: str) -> Optional[ManagedStream]:
-        streams = tuple(filter(lambda stream: stream.stream_hash == stream_hash, self.streams.values()))
-        if streams:
-            return streams[0]
-
-    def get_filtered_streams(self, sort_by: Optional[str] = None, reverse: Optional[bool] = False,
-                             comparison: Optional[str] = None,
-                             **search_by) -> typing.List[ManagedStream]:
-        """
-        Get a list of filtered and sorted ManagedStream objects
-
-        :param sort_by: field to sort by
-        :param reverse: reverse sorting
-        :param comparison: comparison operator used for filtering
-        :param search_by: fields and values to filter by
-        """
-        if sort_by and sort_by not in FILTER_FIELDS:
-            raise ValueError(f"'{sort_by}' is not a valid field to sort by")
-        if comparison and comparison not in COMPARISON_OPERATORS:
-            raise ValueError(f"'{comparison}' is not a valid comparison")
-        if 'full_status' in search_by:
-            del search_by['full_status']
-
-        for search in search_by:
-            if search not in FILTER_FIELDS:
-                raise ValueError(f"'{search}' is not a valid search operation")
-
-        compare_sets = {}
-        if isinstance(search_by.get('claim_id'), list):
-            compare_sets['claim_ids'] = search_by.pop('claim_id')
-        if isinstance(search_by.get('outpoint'), list):
-            compare_sets['outpoints'] = search_by.pop('outpoint')
-        if isinstance(search_by.get('channel_claim_id'), list):
-            compare_sets['channel_claim_ids'] = search_by.pop('channel_claim_id')
-
-        if search_by:
-            comparison = comparison or 'eq'
-            streams = []
-            for stream in self.streams.values():
-                matched = False
-                for set_search, val in compare_sets.items():
-                    if COMPARISON_OPERATORS[comparison](getattr(stream, SET_FILTER_FIELDS[set_search]), val):
-                        streams.append(stream)
-                        matched = True
-                        break
-                if matched:
-                    continue
-                for search, val in search_by.items():
-                    this_stream = getattr(stream, search)
-                    if COMPARISON_OPERATORS[comparison](this_stream, val):
-                        streams.append(stream)
-                        break
-        else:
-            streams = list(self.streams.values())
-        if sort_by:
-            streams.sort(key=lambda s: getattr(s, sort_by))
-            if reverse:
-                streams.reverse()
-        return streams
-
-    async def _check_update_or_replace(self, outpoint: str, claim_id: str, claim: Claim
-                                       ) -> typing.Tuple[Optional[ManagedStream], Optional[ManagedStream]]:
-        existing = self.get_filtered_streams(outpoint=outpoint)
-        if existing:
-            return existing[0], None
-        existing = self.get_filtered_streams(sd_hash=claim.stream.source.sd_hash)
-        if existing and existing[0].claim_id != claim_id:
-            raise ResolveError(f"stream for {existing[0].claim_id} collides with existing download {claim_id}")
-        if existing:
-            log.info("claim contains a metadata only update to a stream we have")
-            await self.storage.save_content_claim(
-                existing[0].stream_hash, outpoint
-            )
-            await self._update_content_claim(existing[0])
-            return existing[0], None
-        else:
-            existing_for_claim_id = self.get_filtered_streams(claim_id=claim_id)
-            if existing_for_claim_id:
-                log.info("claim contains an update to a stream we have, downloading it")
-                return None, existing_for_claim_id[0]
-        return None, None
-
-    @staticmethod
-    def _convert_to_old_resolve_output(wallet_manager, resolves):
-        result = {}
-        for url, txo in resolves.items():
-            if isinstance(txo, Output):
-                tx_height = txo.tx_ref.height
-                best_height = wallet_manager.ledger.headers.height
-                result[url] = {
-                    'name': txo.claim_name,
-                    'value': txo.claim,
-                    'protobuf': binascii.hexlify(txo.claim.to_bytes()),
-                    'claim_id': txo.claim_id,
-                    'txid': txo.tx_ref.id,
-                    'nout': txo.position,
-                    'amount': dewies_to_lbc(txo.amount),
-                    'effective_amount': txo.meta.get('effective_amount', 0),
-                    'height': tx_height,
-                    'confirmations': (best_height+1) - tx_height if tx_height > 0 else tx_height,
-                    'claim_sequence': -1,
-                    'address': txo.get_address(wallet_manager.ledger),
-                    'valid_at_height': txo.meta.get('activation_height', None),
-                    'timestamp': wallet_manager.ledger.headers.estimated_timestamp(tx_height),
-                    'supports': []
-                }
-            else:
-                result[url] = txo
-        return result
-
-    @cache_concurrent
-    async def download_stream_from_uri(self, uri, exchange_rate_manager: 'ExchangeRateManager',
-                                       timeout: Optional[float] = None,
-                                       file_name: Optional[str] = None,
-                                       download_directory: Optional[str] = None,
-                                       save_file: Optional[bool] = None,
-                                       resolve_timeout: float = 3.0,
-                                       wallet: Optional['Wallet'] = None) -> ManagedStream:
-        manager = self.wallet_manager
-        wallet = wallet or manager.default_wallet
-        timeout = timeout or self.config.download_timeout
-        start_time = self.loop.time()
-        resolved_time = None
-        stream = None
-        txo: Optional[Output] = None
-        error = None
-        outpoint = None
-        if save_file is None:
-            save_file = self.config.save_files
-        if file_name and not save_file:
-            save_file = True
-        if save_file:
-            download_directory = download_directory or self.config.download_dir
-        else:
-            download_directory = None
-
-        payment = None
-        try:
-            # resolve the claim
-            if not URL.parse(uri).has_stream:
-                raise ResolveError("cannot download a channel claim, specify a /path")
-            try:
-                response = await asyncio.wait_for(
-                    manager.ledger.resolve(wallet.accounts, [uri], include_purchase_receipt=True),
-                    resolve_timeout
-                )
-                resolved_result = self._convert_to_old_resolve_output(manager, response)
-            except asyncio.TimeoutError:
-                raise ResolveTimeoutError(uri)
-            except Exception as err:
-                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
-                    raise
-                log.exception("Unexpected error resolving stream:")
-                raise ResolveError(f"Unexpected error resolving stream: {str(err)}")
-            await self.storage.save_claims_for_resolve([
-                value for value in resolved_result.values() if 'error' not in value
-            ])
-            resolved = resolved_result.get(uri, {})
-            resolved = resolved if 'value' in resolved else resolved.get('claim')
-            if not resolved:
-                raise ResolveError(f"Failed to resolve stream at '{uri}'")
-            if 'error' in resolved:
-                raise ResolveError(f"error resolving stream: {resolved['error']}")
-            txo = response[uri]
-
-            claim = Claim.from_bytes(binascii.unhexlify(resolved['protobuf']))
-            outpoint = f"{resolved['txid']}:{resolved['nout']}"
-            resolved_time = self.loop.time() - start_time
-
-            # resume or update an existing stream, if the stream changed: download it and delete the old one after
-            updated_stream, to_replace = await self._check_update_or_replace(outpoint, resolved['claim_id'], claim)
-            if updated_stream:
-                log.info("already have stream for %s", uri)
-                if save_file and updated_stream.output_file_exists:
-                    save_file = False
-                await updated_stream.start(node=self.node, timeout=timeout, save_now=save_file)
-                if not updated_stream.output_file_exists and (save_file or file_name or download_directory):
-                    await updated_stream.save_file(
-                        file_name=file_name, download_directory=download_directory, node=self.node
-                    )
-                return updated_stream
-
-            if not to_replace and txo.has_price and not txo.purchase_receipt:
-                payment = await manager.create_purchase_transaction(
-                    wallet.accounts, txo, exchange_rate_manager
-                )
-
-            stream = ManagedStream(
-                self.loop, self.config, self.blob_manager, claim.stream.source.sd_hash, download_directory,
-                file_name, ManagedStream.STATUS_RUNNING, content_fee=payment,
-                analytics_manager=self.analytics_manager
-            )
-            log.info("starting download for %s", uri)
-
-            before_download = self.loop.time()
-            await stream.start(self.node, timeout)
-            stream.set_claim(resolved, claim)
-            if to_replace:  # delete old stream now that the replacement has started downloading
-                await self.delete_stream(to_replace)
-
-            if payment is not None:
-                await manager.broadcast_or_release(payment)
-                payment = None  # to avoid releasing in `finally` later
-                log.info("paid fee of %s for %s", dewies_to_lbc(stream.content_fee.outputs[0].amount), uri)
-                await self.storage.save_content_fee(stream.stream_hash, stream.content_fee)
-
-            self.streams[stream.sd_hash] = stream
-            self.storage.content_claim_callbacks[stream.stream_hash] = lambda: self._update_content_claim(stream)
-            await self.storage.save_content_claim(stream.stream_hash, outpoint)
-            if save_file:
-                await asyncio.wait_for(stream.save_file(node=self.node), 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
-            expected = (DownloadSDTimeoutError, DownloadDataTimeoutError, InsufficientFundsError,
-                        KeyFeeAboveMaxAllowedError)
-            if isinstance(err, expected):
-                log.warning("Failed to download %s: %s", uri, str(err))
-            elif isinstance(err, asyncio.CancelledError):
-                pass
-            else:
-                log.exception("Unexpected error downloading stream:")
-            error = err
-            raise
-        finally:
-            if payment is not None:
-                # payment is set to None after broadcasting, if we're here an exception probably happened
-                await manager.ledger.release_tx(payment)
-            if self.analytics_manager and (error or (stream and (stream.downloader.time_to_descriptor or
-                                                                 stream.downloader.time_to_first_bytes))):
-                server = self.wallet_manager.ledger.network.client.server
-                self.loop.create_task(
-                    self.analytics_manager.send_time_to_first_bytes(
-                        resolved_time, self.loop.time() - start_time, None if not stream else stream.download_id,
-                        uri, outpoint,
-                        None if not stream else len(stream.downloader.blob_downloader.active_connections),
-                        None if not stream else len(stream.downloader.blob_downloader.scores),
-                        None if not stream else len(stream.downloader.blob_downloader.connection_failures),
-                        False if not stream else stream.downloader.added_fixed_peers,
-                        self.config.fixed_peer_delay if not stream else stream.downloader.fixed_peers_delay,
-                        None if not stream else stream.sd_hash,
-                        None if not stream else stream.downloader.time_to_descriptor,
-                        None if not (stream and stream.descriptor) else stream.descriptor.blobs[0].blob_hash,
-                        None if not (stream and stream.descriptor) else stream.descriptor.blobs[0].length,
-                        None if not stream else stream.downloader.time_to_first_bytes,
-                        None if not error else error.__class__.__name__,
-                        None if not error else str(error),
-                        None if not server else f"{server[0]}:{server[1]}"
-                    )
-                )
+        await self.storage.delete_stream(source.descriptor)
+        if delete_file and source.output_file_exists:
+            os.remove(source.full_path)
 
     async def stream_partial_content(self, request: Request, sd_hash: str):
-        return await self.streams[sd_hash].stream_file(request, self.node)
+        stream = self._sources[sd_hash]
+        if not stream.downloader.node:
+            stream.downloader.node = self.node
+        return await stream.stream_file(request)

lbry/testcase.py

@@ -386,6 +386,7 @@ class CommandTestCase(IntegrationTestCase):
         conf.blockchain_name = 'lbrycrd_regtest'
         conf.lbryum_servers = [('127.0.0.1', 50001)]
         conf.reflector_servers = [('127.0.0.1', 5566)]
+        conf.fixed_peers = [('127.0.0.1', 5567)]
         conf.known_dht_nodes = []
         conf.blob_lru_cache_size = self.blob_lru_cache_size
         conf.components_to_skip = [

lbry/torrent/session.py

@@ -0,0 +1,290 @@
+import asyncio
+import binascii
+import os
+import logging
+import random
+from hashlib import sha1
+from tempfile import mkdtemp
+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
+        self._executor = executor
+        self._handle: libtorrent.torrent_handle = handle
+        self.started = asyncio.Event(loop=loop)
+        self.finished = asyncio.Event(loop=loop)
+        self.metadata_completed = asyncio.Event(loop=loop)
+        self.size = 0
+        self.total_wanted_done = 0
+        self.name = ''
+        self.tasks = []
+        self.torrent_file: Optional[libtorrent.file_storage] = None
+        self._base_path = None
+        self._handle.set_sequential_download(1)
+
+    @property
+    def largest_file(self) -> Optional[str]:
+        if not self.torrent_file:
+            return None
+        index = self.largest_file_index
+        return os.path.join(self._base_path, self.torrent_file.at(index).path)
+
+    @property
+    def largest_file_index(self):
+        largest_size, index = 0, 0
+        for file_num in range(self.torrent_file.num_files()):
+            if self.torrent_file.file_size(file_num) > largest_size:
+                largest_size = self.torrent_file.file_size(file_num)
+                index = file_num
+        return index
+
+    def stop_tasks(self):
+        while self.tasks:
+            self.tasks.pop().cancel()
+
+    def _show_status(self):
+        # fixme: cleanup
+        if not self._handle.is_valid():
+            return
+        status = self._handle.status()
+        if status.has_metadata:
+            self.size = status.total_wanted
+            self.total_wanted_done = status.total_wanted_done
+            self.name = status.name
+            if not self.metadata_completed.is_set():
+                self.metadata_completed.set()
+                log.info("Metadata completed for btih:%s - %s", status.info_hash, self.name)
+                self.torrent_file = self._handle.get_torrent_info().files()
+                self._base_path = status.save_path
+            first_piece = self.torrent_file.at(self.largest_file_index).offset
+            if not self.started.is_set():
+                if self._handle.have_piece(first_piece):
+                    self.started.set()
+                else:
+                    # prioritize it
+                    self._handle.set_piece_deadline(first_piece, 100)
+        if not status.is_seeding:
+            log.debug('%.2f%% complete (down: %.1f kB/s up: %.1f kB/s peers: %d seeds: %d) %s - %s',
+                      status.progress * 100, status.download_rate / 1000, status.upload_rate / 1000,
+                      status.num_peers, status.num_seeds, status.state, status.save_path)
+        elif not self.finished.is_set():
+            self.finished.set()
+            log.info("Torrent finished: %s", self.name)
+
+    async def status_loop(self):
+        while True:
+            self._show_status()
+            if self.finished.is_set():
+                break
+            await asyncio.sleep(0.1, loop=self._loop)
+
+    async def pause(self):
+        await self._loop.run_in_executor(
+            self._executor, self._handle.pause
+        )
+
+    async def resume(self):
+        await self._loop.run_in_executor(
+            self._executor, lambda: self._handle.resume()  # pylint: disable=unnecessary-lambda
+        )
+
+
+class TorrentSession:
+    def __init__(self, loop, executor):
+        self._loop = loop
+        self._executor = executor
+        self._session: Optional[libtorrent.session] = None
+        self._handles = {}
+        self.tasks = []
+        self.wait_start = True
+
+    async def add_fake_torrent(self):
+        tmpdir = mkdtemp()
+        info, btih = _create_fake_torrent(tmpdir)
+        flags = libtorrent.add_torrent_params_flags_t.flag_seed_mode
+        handle = self._session.add_torrent({
+            'ti': info, 'save_path': tmpdir, 'flags': flags
+        })
+        self._handles[btih] = TorrentHandle(self._loop, self._executor, handle)
+        return btih
+
+    async def bind(self, interface: str = '0.0.0.0', port: int = 10889):
+        settings = {
+            'listen_interfaces': f"{interface}:{port}",
+            'enable_outgoing_utp': True,
+            'enable_incoming_utp': True,
+            '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
+        )
+        self.tasks.append(self._loop.create_task(self.process_alerts()))
+
+    def stop(self):
+        while self.tasks:
+            self.tasks.pop().cancel()
+        self._session.save_state()
+        self._session.pause()
+        self._session.stop_dht()
+        self._session.stop_lsd()
+        self._session.stop_natpmp()
+        self._session.stop_upnp()
+        self._session = None
+
+    def _pop_alerts(self):
+        for alert in self._session.pop_alerts():
+            log.info("torrent alert: %s", alert)
+
+    async def process_alerts(self):
+        while True:
+            await self._loop.run_in_executor(
+                self._executor, self._pop_alerts
+            )
+            await asyncio.sleep(1, loop=self._loop)
+
+    async def pause(self):
+        await self._loop.run_in_executor(
+            self._executor, lambda: self._session.save_state()  # pylint: disable=unnecessary-lambda
+        )
+        await self._loop.run_in_executor(
+            self._executor, lambda: self._session.pause()  # pylint: disable=unnecessary-lambda
+        )
+
+    async def resume(self):
+        await self._loop.run_in_executor(
+            self._executor, self._session.resume
+        )
+
+    def _add_torrent(self, btih: str, download_directory: Optional[str]):
+        params = {'info_hash': binascii.unhexlify(btih.encode()), 'flags': DEFAULT_FLAGS}
+        if download_directory:
+            params['save_path'] = download_directory
+        handle = self._session.add_torrent(params)
+        handle.force_dht_announce()
+        self._handles[btih] = TorrentHandle(self._loop, self._executor, handle)
+
+    def full_path(self, btih):
+        return self._handles[btih].largest_file
+
+    async def add_torrent(self, btih, download_path):
+        await self._loop.run_in_executor(
+            self._executor, self._add_torrent, btih, download_path
+        )
+        self._handles[btih].tasks.append(self._loop.create_task(self._handles[btih].status_loop()))
+        await self._handles[btih].metadata_completed.wait()
+        if self.wait_start:
+            # fixme: temporary until we add streaming support, otherwise playback fails!
+            await self._handles[btih].started.wait()
+
+    def remove_torrent(self, btih, remove_files=False):
+        if btih in self._handles:
+            handle = self._handles[btih]
+            handle.stop_tasks()
+            self._session.remove_torrent(handle._handle, 1 if remove_files else 0)
+            self._handles.pop(btih)
+
+    async def save_file(self, btih, download_directory):
+        handle = self._handles[btih]
+        await handle.resume()
+
+    def get_size(self, btih):
+        return self._handles[btih].size
+
+    def get_name(self, btih):
+        return self._handles[btih].name
+
+    def get_downloaded(self, btih):
+        return self._handles[btih].total_wanted_done
+
+    def is_completed(self, btih):
+        return self._handles[btih].finished.is_set()
+
+
+def get_magnet_uri(btih):
+    return f"magnet:?xt=urn:btih:{btih}"
+
+
+def _create_fake_torrent(tmpdir):
+    # beware, that's just for testing
+    path = os.path.join(tmpdir, 'tmp')
+    with open(path, 'wb') as myfile:
+        size = myfile.write(bytes([random.randint(0, 255) for _ in range(40)]) * 1024)
+    file_storage = libtorrent.file_storage()
+    file_storage.add_file('tmp', size)
+    t = libtorrent.create_torrent(file_storage, 0, 4 * 1024 * 1024)
+    libtorrent.set_piece_hashes(t, tmpdir)
+    info = libtorrent.torrent_info(t.generate())
+    btih = sha1(info.metadata()).hexdigest()
+    return info, btih
+
+
+async def main():
+    if os.path.exists("~/Downloads/ubuntu-18.04.3-live-server-amd64.torrent"):
+        os.remove("~/Downloads/ubuntu-18.04.3-live-server-amd64.torrent")
+    if os.path.exists("~/Downloads/ubuntu-18.04.3-live-server-amd64.iso"):
+        os.remove("~/Downloads/ubuntu-18.04.3-live-server-amd64.iso")
+
+    btih = "dd8255ecdc7ca55fb0bbf81323d87062db1f6d1c"
+
+    executor = None
+    session = TorrentSession(asyncio.get_event_loop(), executor)
+    session2 = TorrentSession(asyncio.get_event_loop(), executor)
+    await session.bind('localhost', port=4040)
+    await session2.bind('localhost', port=4041)
+    btih = await session.add_fake_torrent()
+    session2._session.add_dht_node(('localhost', 4040))
+    await session2.add_torrent(btih, "/tmp/down")
+    while True:
+        await asyncio.sleep(100)
+    await session.pause()
+    executor.shutdown()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())

lbry/torrent/torrent.py

@@ -0,0 +1,72 @@
+import asyncio
+import logging
+import typing
+
+
+log = logging.getLogger(__name__)
+
+
+class TorrentInfo:
+    __slots__ = ('dht_seeds', 'http_seeds', 'trackers', 'total_size')
+
+    def __init__(self, dht_seeds: typing.Tuple[typing.Tuple[str, int]],
+                 http_seeds: typing.Tuple[typing.Dict[str, typing.Any]],
+                 trackers: typing.Tuple[typing.Tuple[str, int]], total_size: int):
+        self.dht_seeds = dht_seeds
+        self.http_seeds = http_seeds
+        self.trackers = trackers
+        self.total_size = total_size
+
+    @classmethod
+    def from_libtorrent_info(cls, torrent_info):
+        return cls(
+            torrent_info.nodes(), tuple(
+                {
+                    'url': web_seed['url'],
+                    'type': web_seed['type'],
+                    'auth': web_seed['auth']
+                } for web_seed in torrent_info.web_seeds()
+            ), tuple(
+                (tracker.url, tracker.tier) for tracker in torrent_info.trackers()
+            ), torrent_info.total_size()
+        )
+
+
+class Torrent:
+    def __init__(self, loop, handle):
+        self._loop = loop
+        self._handle = handle
+        self.finished = asyncio.Event(loop=loop)
+
+    def _threaded_update_status(self):
+        status = self._handle.status()
+        if not status.is_seeding:
+            log.info(
+                '%.2f%% complete (down: %.1f kB/s up: %.1f kB/s peers: %d) %s',
+                status.progress * 100, status.download_rate / 1000, status.upload_rate / 1000,
+                status.num_peers, status.state
+            )
+        elif not self.finished.is_set():
+            self.finished.set()
+
+    async def wait_for_finished(self):
+        while True:
+            await self._loop.run_in_executor(
+                None, self._threaded_update_status
+            )
+            if self.finished.is_set():
+                log.info("finished downloading torrent!")
+                await self.pause()
+                break
+            await asyncio.sleep(1, loop=self._loop)
+
+    async def pause(self):
+        log.info("pause torrent")
+        await self._loop.run_in_executor(
+            None, self._handle.pause
+        )
+
+    async def resume(self):
+        await self._loop.run_in_executor(
+            None, self._handle.resume
+        )

lbry/torrent/torrent_manager.py

@@ -0,0 +1,140 @@
+import asyncio
+import binascii
+import logging
+import os
+import typing
+from typing import Optional
+from aiohttp.web import Request
+from lbry.file.source_manager import SourceManager
+from lbry.file.source import ManagedDownloadSource
+
+if typing.TYPE_CHECKING:
+    from lbry.torrent.session import TorrentSession
+    from lbry.conf import Config
+    from lbry.wallet.transaction import Transaction
+    from lbry.extras.daemon.analytics import AnalyticsManager
+    from lbry.extras.daemon.storage import SQLiteStorage, StoredContentClaim
+    from lbry.extras.daemon.storage import StoredContentClaim
+
+log = logging.getLogger(__name__)
+
+
+def path_or_none(encoded_path) -> Optional[str]:
+    if not encoded_path:
+        return
+    return binascii.unhexlify(encoded_path).decode()
+
+
+class TorrentSource(ManagedDownloadSource):
+    STATUS_STOPPED = "stopped"
+    filter_fields = SourceManager.filter_fields
+    filter_fields.update({
+        'bt_infohash'
+    })
+
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', storage: 'SQLiteStorage', identifier: str,
+                 file_name: Optional[str] = None, download_directory: Optional[str] = None,
+                 status: Optional[str] = STATUS_STOPPED, claim: Optional['StoredContentClaim'] = None,
+                 download_id: Optional[str] = None, rowid: Optional[int] = None,
+                 content_fee: Optional['Transaction'] = None,
+                 analytics_manager: Optional['AnalyticsManager'] = None,
+                 added_on: Optional[int] = None, torrent_session: Optional['TorrentSession'] = None):
+        super().__init__(loop, config, storage, identifier, file_name, download_directory, status, claim, download_id,
+                         rowid, content_fee, analytics_manager, added_on)
+        self.torrent_session = torrent_session
+
+    @property
+    def full_path(self) -> Optional[str]:
+        full_path = self.torrent_session.full_path(self.identifier)
+        self.download_directory = os.path.dirname(full_path)
+        return full_path
+
+    async def start(self, timeout: Optional[float] = None, save_now: Optional[bool] = False):
+        await self.torrent_session.add_torrent(self.identifier, self.download_directory)
+
+    async def stop(self, finished: bool = False):
+        await self.torrent_session.remove_torrent(self.identifier)
+
+    async def save_file(self, file_name: Optional[str] = None, download_directory: Optional[str] = None):
+        await self.torrent_session.save_file(self.identifier, download_directory)
+
+    @property
+    def torrent_length(self):
+        return self.torrent_session.get_size(self.identifier)
+
+    @property
+    def written_bytes(self):
+        return self.torrent_session.get_downloaded(self.identifier)
+
+    @property
+    def torrent_name(self):
+        return self.torrent_session.get_name(self.identifier)
+
+    @property
+    def bt_infohash(self):
+        return self.identifier
+
+    def stop_tasks(self):
+        pass
+
+    @property
+    def completed(self):
+        return self.torrent_session.is_completed(self.identifier)
+
+
+class TorrentManager(SourceManager):
+    _sources: typing.Dict[str, ManagedDownloadSource]
+
+    filter_fields = set(SourceManager.filter_fields)
+    filter_fields.update({
+        'bt_infohash',
+        'blobs_remaining',  # TODO: here they call them "parts", but its pretty much the same concept
+        'blobs_in_stream'
+    })
+
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', torrent_session: 'TorrentSession',
+                 storage: 'SQLiteStorage', analytics_manager: Optional['AnalyticsManager'] = None):
+        super().__init__(loop, config, storage, analytics_manager)
+        self.torrent_session: 'TorrentSession' = torrent_session
+
+    async def recover_streams(self, file_infos: typing.List[typing.Dict]):
+        raise NotImplementedError
+
+    async def _load_stream(self, rowid: int, bt_infohash: str, file_name: Optional[str],
+                           download_directory: Optional[str], status: str,
+                           claim: Optional['StoredContentClaim'], content_fee: Optional['Transaction'],
+                           added_on: Optional[int]):
+        stream = TorrentSource(
+            self.loop, self.config, self.storage, identifier=bt_infohash, file_name=file_name,
+            download_directory=download_directory, status=status, claim=claim, rowid=rowid,
+            content_fee=content_fee, analytics_manager=self.analytics_manager, added_on=added_on,
+            torrent_session=self.torrent_session
+        )
+        self.add(stream)
+
+    async def initialize_from_database(self):
+        pass
+
+    async def start(self):
+        await super().start()
+
+    def stop(self):
+        super().stop()
+        log.info("finished stopping the torrent manager")
+
+    async def delete(self, source: ManagedDownloadSource, delete_file: Optional[bool] = False):
+        await super().delete(source, delete_file)
+        self.torrent_session.remove_torrent(source.identifier, delete_file)
+
+    async def create(self, file_path: str, key: Optional[bytes] = None,
+                     iv_generator: Optional[typing.Generator[bytes, None, None]] = None):
+        raise NotImplementedError
+
+    async def _delete(self, source: ManagedDownloadSource, delete_file: Optional[bool] = False):
+        raise NotImplementedError
+        # blob_hashes = [source.sd_hash] + [b.blob_hash for b in source.descriptor.blobs[:-1]]
+        # await self.blob_manager.delete_blobs(blob_hashes, delete_from_db=False)
+        # await self.storage.delete_stream(source.descriptor)
+
+    async def stream_partial_content(self, request: Request, sd_hash: str):
+        raise NotImplementedError

lbry/utils.py

@@ -3,6 +3,7 @@ import codecs
 import datetime
 import random
 import socket
+import time
 import string
 import sys
 import json
@@ -282,3 +283,25 @@ async def get_external_ip() -> typing.Optional[str]:  # used if upnp is disabled
 def is_running_from_bundle():
     # see https://pyinstaller.readthedocs.io/en/stable/runtime-information.html
     return getattr(sys, 'frozen', False) and hasattr(sys, '_MEIPASS')
+
+
+class LockWithMetrics(asyncio.Lock):
+    def __init__(self, acquire_metric, held_time_metric, loop=None):
+        super().__init__(loop=loop)
+        self._acquire_metric = acquire_metric
+        self._lock_held_time_metric = held_time_metric
+        self._lock_acquired_time = None
+
+    async def acquire(self):
+        start = time.perf_counter()
+        try:
+            return await super().acquire()
+        finally:
+            self._lock_acquired_time = time.perf_counter()
+            self._acquire_metric.observe(self._lock_acquired_time - start)
+
+    def release(self):
+        try:
+            return super().release()
+        finally:
+            self._lock_held_time_metric.observe(time.perf_counter() - self._lock_acquired_time)

lbry/wallet/__init__.py

@@ -2,7 +2,7 @@ __node_daemon__ = 'lbrycrdd'
 __node_cli__ = 'lbrycrd-cli'
 __node_bin__ = ''
 __node_url__ = (
-    'https://github.com/lbryio/lbrycrd/releases/download/v0.17.4.4/lbrycrd-linux-1744.zip'
+    'https://github.com/lbryio/lbrycrd/releases/download/v0.17.4.5/lbrycrd-linux-1745.zip'
 )
 __spvserver__ = 'lbry.wallet.server.coin.LBCRegTest'
 

lbry/wallet/account.py

@@ -525,11 +525,13 @@ class Account:
         channel_pubkey_hash = self.ledger.public_key_to_address(public_key_bytes)
         self.channel_keys[channel_pubkey_hash] = private_key.to_pem().decode()
 
-    def get_channel_private_key(self, public_key_bytes):
+    async def get_channel_private_key(self, public_key_bytes):
         channel_pubkey_hash = self.ledger.public_key_to_address(public_key_bytes)
         private_key_pem = self.channel_keys.get(channel_pubkey_hash)
         if private_key_pem:
-            return ecdsa.SigningKey.from_pem(private_key_pem, hashfunc=sha256)
+            return await asyncio.get_event_loop().run_in_executor(
+                None, ecdsa.SigningKey.from_pem, private_key_pem, sha256
+            )
 
     async def maybe_migrate_certificates(self):
         def to_der(private_key_pem):

lbry/wallet/database.py

@@ -10,6 +10,8 @@ from concurrent.futures.thread import ThreadPoolExecutor
 from concurrent.futures.process import ProcessPoolExecutor
 from typing import Tuple, List, Union, Callable, Any, Awaitable, Iterable, Dict, Optional
 from datetime import date
+from prometheus_client import Gauge, Counter, Histogram
+from lbry.utils import LockWithMetrics
 
 from .bip32 import PubKey
 from .transaction import Transaction, Output, OutputScript, TXRefImmutable
@@ -20,6 +22,10 @@ from .util import date_to_julian_day
 log = logging.getLogger(__name__)
 sqlite3.enable_callback_tracebacks(True)
 
+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')
+)
+
 
 @dataclass
 class ReaderProcessState:
@@ -64,15 +70,36 @@ else:
 class AIOSQLite:
     reader_executor: ReaderExecutorClass
 
+    waiting_writes_metric = Gauge(
+        "waiting_writes_count", "Number of waiting db writes", namespace="daemon_database"
+    )
+    waiting_reads_metric = Gauge(
+        "waiting_reads_count", "Number of waiting db writes", namespace="daemon_database"
+    )
+    write_count_metric = Counter(
+        "write_count", "Number of database writes", namespace="daemon_database"
+    )
+    read_count_metric = Counter(
+        "read_count", "Number of database reads", namespace="daemon_database"
+    )
+    acquire_write_lock_metric = Histogram(
+        f'write_lock_acquired', 'Time to acquire the write lock', namespace="daemon_database", buckets=HISTOGRAM_BUCKETS
+    )
+    held_write_lock_metric = Histogram(
+        f'write_lock_held', 'Length of time the write lock is held for', namespace="daemon_database",
+        buckets=HISTOGRAM_BUCKETS
+    )
+
     def __init__(self):
         # has to be single threaded as there is no mapping of thread:connection
         self.writer_executor = ThreadPoolExecutor(max_workers=1)
         self.writer_connection: Optional[sqlite3.Connection] = None
         self._closing = False
         self.query_count = 0
-        self.write_lock = asyncio.Lock()
+        self.write_lock = LockWithMetrics(self.acquire_write_lock_metric, self.held_write_lock_metric)
         self.writers = 0
         self.read_ready = asyncio.Event()
+        self.urgent_read_done = asyncio.Event()
 
     @classmethod
     async def connect(cls, path: Union[bytes, str], *args, **kwargs):
@@ -88,6 +115,7 @@ class AIOSQLite:
         )
         await asyncio.get_event_loop().run_in_executor(db.writer_executor, _connect_writer)
         db.read_ready.set()
+        db.urgent_read_done.set()
         return db
 
     async def close(self):
@@ -112,12 +140,28 @@ class AIOSQLite:
                              read_only=False, fetch_all: bool = False) -> List[dict]:
         read_only_fn = run_read_only_fetchall if fetch_all else run_read_only_fetchone
         parameters = parameters if parameters is not None else []
+        still_waiting = False
+        urgent_read = False
         if read_only:
-            while self.writers:
+            self.waiting_reads_metric.inc()
+            self.read_count_metric.inc()
+            try:
+                while self.writers:  # more writes can come in while we are waiting for the first
+                    if not urgent_read and still_waiting and self.urgent_read_done.is_set():
+                        #  throttle the writes if they pile up
+                        self.urgent_read_done.clear()
+                        urgent_read = True
+                    #  wait until the running writes have finished
                     await self.read_ready.wait()
+                    still_waiting = True
                 return await asyncio.get_event_loop().run_in_executor(
                     self.reader_executor, read_only_fn, sql, parameters
                 )
+            finally:
+                if urgent_read:
+                    #  unthrottle the writers if they had to be throttled
+                    self.urgent_read_done.set()
+                self.waiting_reads_metric.dec()
         if fetch_all:
             return await self.run(lambda conn: conn.execute(sql, parameters).fetchall())
         return await self.run(lambda conn: conn.execute(sql, parameters).fetchone())
@@ -135,16 +179,31 @@ class AIOSQLite:
         return self.run(lambda conn: conn.execute(sql, parameters))
 
     async def run(self, fun, *args, **kwargs):
-        self.writers += 1
-        self.read_ready.clear()
-        async with self.write_lock:
+        self.write_count_metric.inc()
+        self.waiting_writes_metric.inc()
+        # it's possible many writes are coming in one after the other, these can
+        # block reader calls for a long time
+        # if the reader waits for the writers to finish and then has to wait for
+        # yet more, it will clear the urgent_read_done event to block more writers
+        # piling on
         try:
+            await self.urgent_read_done.wait()
+        except Exception as e:
+            self.waiting_writes_metric.dec()
+            raise e
+        self.writers += 1
+        # block readers
+        self.read_ready.clear()
+        try:
+            async with self.write_lock:
                 return await asyncio.get_event_loop().run_in_executor(
                     self.writer_executor, lambda: self.__run_transaction(fun, *args, **kwargs)
                 )
         finally:
             self.writers -= 1
+            self.waiting_writes_metric.dec()
             if not self.writers:
+                # unblock the readers once the last enqueued writer finishes
                 self.read_ready.set()
 
     def __run_transaction(self, fun: Callable[[sqlite3.Connection, Any, Any], Any], *args, **kwargs):
@@ -160,10 +219,26 @@ class AIOSQLite:
             log.warning("rolled back")
             raise
 
-    def run_with_foreign_keys_disabled(self, fun, *args, **kwargs) -> Awaitable:
-        return asyncio.get_event_loop().run_in_executor(
+    async def run_with_foreign_keys_disabled(self, fun, *args, **kwargs):
+        self.write_count_metric.inc()
+        self.waiting_writes_metric.inc()
+        try:
+            await self.urgent_read_done.wait()
+        except Exception as e:
+            self.waiting_writes_metric.dec()
+            raise e
+        self.writers += 1
+        self.read_ready.clear()
+        try:
+            async with self.write_lock:
+                return await asyncio.get_event_loop().run_in_executor(
                     self.writer_executor, self.__run_transaction_with_foreign_keys_disabled, fun, args, kwargs
                 )
+        finally:
+            self.writers -= 1
+            self.waiting_writes_metric.dec()
+            if not self.writers:
+                self.read_ready.set()
 
     def __run_transaction_with_foreign_keys_disabled(self,
                                                      fun: Callable[[sqlite3.Connection, Any, Any], Any],
@@ -579,7 +654,7 @@ class Database(SQLiteMixin):
         return self.db.run(__many)
 
     async def reserve_outputs(self, txos, is_reserved=True):
-        txoids = ((is_reserved, txo.id) for txo in txos)
+        txoids = [(is_reserved, txo.id) for txo in txos]
         await self.db.executemany("UPDATE txo SET is_reserved = ? WHERE txoid = ?", txoids)
 
     async def release_outputs(self, txos):
@@ -843,7 +918,7 @@ class Database(SQLiteMixin):
                     channel_ids.add(txo.claim.signing_channel_id)
                 if txo.claim.is_channel and wallet:
                     for account in wallet.accounts:
-                        private_key = account.get_channel_private_key(
+                        private_key = await account.get_channel_private_key(
                             txo.claim.channel.public_key_bytes
                         )
                         if private_key:

lbry/wallet/header.py

@@ -5,7 +5,6 @@ import asyncio
 import logging
 import zlib
 from datetime import date
-from concurrent.futures.thread import ThreadPoolExecutor
 
 from io import BytesIO
 from typing import Optional, Iterator, Tuple, Callable
@@ -42,23 +41,22 @@ class Headers:
     validate_difficulty: bool = True
 
     def __init__(self, path) -> None:
-        if path == ':memory:':
-            self.io = BytesIO()
+        self.io = None
         self.path = path
         self._size: Optional[int] = None
         self.chunk_getter: Optional[Callable] = None
-        self.executor = ThreadPoolExecutor(1)
         self.known_missing_checkpointed_chunks = set()
         self.check_chunk_lock = asyncio.Lock()
 
     async def open(self):
-        if not self.executor:
-            self.executor = ThreadPoolExecutor(1)
+        self.io = BytesIO()
         if self.path != ':memory:':
-            if not os.path.exists(self.path):
-                self.io = open(self.path, 'w+b')
-            else:
-                self.io = open(self.path, 'r+b')
+            def _readit():
+                if os.path.exists(self.path):
+                    with open(self.path, 'r+b') as header_file:
+                        self.io.seek(0)
+                        self.io.write(header_file.read())
+            await asyncio.get_event_loop().run_in_executor(None, _readit)
         bytes_size = self.io.seek(0, os.SEEK_END)
         self._size = bytes_size // self.header_size
         max_checkpointed_height = max(self.checkpoints.keys() or [-1]) + 1000
@@ -72,10 +70,14 @@ class Headers:
         await self.get_all_missing_headers()
 
     async def close(self):
-        if self.executor:
-            self.executor.shutdown()
-            self.executor = None
+        if self.io is not None:
+            def _close():
+                flags = 'r+b' if os.path.exists(self.path) else 'w+b'
+                with open(self.path, flags) as header_file:
+                    header_file.write(self.io.getbuffer())
+            await asyncio.get_event_loop().run_in_executor(None, _close)
             self.io.close()
+            self.io = None
 
     @staticmethod
     def serialize(header):
@@ -135,28 +137,30 @@ class Headers:
         except struct.error:
             raise IndexError(f"failed to get {height}, at {len(self)}")
 
-    def estimated_timestamp(self, height):
+    def estimated_timestamp(self, height, try_real_headers=True):
         if height <= 0:
             return
+        if try_real_headers and self.has_header(height):
+            offset = height * self.header_size
+            return struct.unpack('<I', self.io.getbuffer()[offset + 100: offset + 104])[0]
         return int(self.first_block_timestamp + (height * self.timestamp_average_offset))
 
     def estimated_julian_day(self, height):
-        return date_to_julian_day(date.fromtimestamp(self.estimated_timestamp(height)))
+        return date_to_julian_day(date.fromtimestamp(self.estimated_timestamp(height, False)))
 
     async def get_raw_header(self, height) -> bytes:
         if self.chunk_getter:
             await self.ensure_chunk_at(height)
         if not 0 <= height <= self.height:
             raise IndexError(f"{height} is out of bounds, current height: {self.height}")
-        return await asyncio.get_running_loop().run_in_executor(self.executor, self._read, height)
+        return self._read(height)
 
     def _read(self, height, count=1):
-        self.io.seek(height * self.header_size, os.SEEK_SET)
-        return self.io.read(self.header_size * count)
+        offset = height * self.header_size
+        return bytes(self.io.getbuffer()[offset: offset + self.header_size * count])
 
     def chunk_hash(self, start, count):
-        self.io.seek(start * self.header_size, os.SEEK_SET)
-        return self.hash_header(self.io.read(count * self.header_size)).decode()
+        return self.hash_header(self._read(start, count)).decode()
 
     async def ensure_checkpointed_size(self):
         max_checkpointed_height = max(self.checkpoints.keys() or [-1])
@@ -165,7 +169,7 @@ class Headers:
 
     async def ensure_chunk_at(self, height):
         async with self.check_chunk_lock:
-            if await self.has_header(height):
+            if self.has_header(height):
                 log.debug("has header %s", height)
                 return
             return await self.fetch_chunk(height)
@@ -179,7 +183,7 @@ class Headers:
         )
         chunk_hash = self.hash_header(chunk).decode()
         if self.checkpoints.get(start) == chunk_hash:
-            await asyncio.get_running_loop().run_in_executor(self.executor, self._write, start, chunk)
+            self._write(start, chunk)
             if start in self.known_missing_checkpointed_chunks:
                 self.known_missing_checkpointed_chunks.remove(start)
             return
@@ -189,27 +193,23 @@ class Headers:
             f"Checkpoint mismatch at height {start}. Expected {self.checkpoints[start]}, but got {chunk_hash} instead."
         )
 
-    async def has_header(self, height):
+    def has_header(self, height):
         normalized_height = (height // 1000) * 1000
         if normalized_height in self.checkpoints:
             return normalized_height not in self.known_missing_checkpointed_chunks
 
-        def _has_header(height):
         empty = '56944c5d3f98413ef45cf54545538103cc9f298e0575820ad3591376e2e0f65d'
         all_zeroes = '789d737d4f448e554b318c94063bbfa63e9ccda6e208f5648ca76ee68896557b'
         return self.chunk_hash(height, 1) not in (empty, all_zeroes)
-        return await asyncio.get_running_loop().run_in_executor(self.executor, _has_header, height)
 
     async def get_all_missing_headers(self):
         # Heavy operation done in one optimized shot
-        def _io_checkall():
         for chunk_height, expected_hash in reversed(list(self.checkpoints.items())):
             if chunk_height in self.known_missing_checkpointed_chunks:
                 continue
             if self.chunk_hash(chunk_height, 1000) != expected_hash:
                 self.known_missing_checkpointed_chunks.add(chunk_height)
         return self.known_missing_checkpointed_chunks
-        return await asyncio.get_running_loop().run_in_executor(self.executor, _io_checkall)
 
     @property
     def height(self) -> int:
@@ -241,7 +241,7 @@ class Headers:
                 bail = True
                 chunk = chunk[:(height-e.height)*self.header_size]
             if chunk:
-                added += await asyncio.get_running_loop().run_in_executor(self.executor, self._write, height, chunk)
+                added += self._write(height, chunk)
             if bail:
                 break
         return added
@@ -306,9 +306,7 @@ class Headers:
         previous_header_hash = fail = None
         batch_size = 36
         for height in range(start_height, self.height, batch_size):
-            headers = await asyncio.get_running_loop().run_in_executor(
-                self.executor, self._read, height, batch_size
-            )
+            headers = self._read(height, batch_size)
             if len(headers) % self.header_size != 0:
                 headers = headers[:(len(headers) // self.header_size) * self.header_size]
             for header_hash, header in self._iterate_headers(height, headers):
@@ -324,12 +322,11 @@ class Headers:
                     assert start_height > 0 and height == start_height
                 if fail:
                     log.warning("Header file corrupted at height %s, truncating it.", height - 1)
-                    def __truncate(at_height):
-                        self.io.seek(max(0, (at_height - 1)) * self.header_size, os.SEEK_SET)
+                    self.io.seek(max(0, (height - 1)) * self.header_size, os.SEEK_SET)
                     self.io.truncate()
                     self.io.flush()
                     self._size = self.io.seek(0, os.SEEK_END) // self.header_size
-                    return await asyncio.get_running_loop().run_in_executor(self.executor, __truncate, height)
+                    return
                 previous_header_hash = header_hash
 
     @classmethod

lbry/wallet/ledger.py

@@ -1,5 +1,6 @@
 import os
 import copy
+import time
 import asyncio
 import logging
 from io import StringIO
@@ -157,7 +158,7 @@ class Ledger(metaclass=LedgerRegistry):
         self._on_ready_controller = StreamController()
         self.on_ready = self._on_ready_controller.stream
 
-        self._tx_cache = pylru.lrucache(100000)
+        self._tx_cache = pylru.lrucache(self.config.get("tx_cache_size", 100_000))
         self._update_tasks = TaskGroup()
         self._other_tasks = TaskGroup()  # that we dont need to start
         self._utxo_reservation_lock = asyncio.Lock()
@@ -639,6 +640,7 @@ class Ledger(metaclass=LedgerRegistry):
         return self.network.broadcast(hexlify(tx.raw).decode())
 
     async def wait(self, tx: Transaction, height=-1, timeout=1):
+        timeout = timeout or 600  # after 10 minutes there is almost 0 hope
         addresses = set()
         for txi in tx.inputs:
             if txi.txo_ref.txo is not None:
@@ -648,13 +650,20 @@ class Ledger(metaclass=LedgerRegistry):
         for txo in tx.outputs:
             if txo.has_address:
                 addresses.add(self.hash160_to_address(txo.pubkey_hash))
+        start = int(time.perf_counter())
+        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.')
+
+    async def _wait_round(self, tx: Transaction, height: int, addresses: Iterable[str]):
         records = await self.db.get_addresses(address__in=addresses)
         _, pending = await asyncio.wait([
             self.on_transaction.where(partial(
                 lambda a, e: a == e.address and e.tx.height >= height and e.tx.id == tx.id,
                 address_record['address']
             )) for address_record in records
-        ], timeout=timeout)
+        ], timeout=1)
         if pending:
             records = await self.db.get_addresses(address__in=addresses)
             for record in records:
@@ -666,8 +675,9 @@ class Ledger(metaclass=LedgerRegistry):
                     if txid == tx.id and local_height >= height:
                         found = True
                 if not found:
-                    print(record['history'], addresses, tx.id)
-                    raise asyncio.TimeoutError('Timed out waiting for transaction.')
+                    log.debug("timeout: %s, %s, %s", record['history'], addresses, tx.id)
+                    return False
+        return True
 
     async def _inflate_outputs(
             self, query, accounts,
@@ -684,14 +694,26 @@ class Ledger(metaclass=LedgerRegistry):
                 self.cache_transaction(*tx) for tx in outputs.txs
             ))
 
-        txos, blocked = outputs.inflate(txs)
+        _txos, blocked = outputs.inflate(txs)
+
+        txos = []
+        for txo in _txos:
+            if isinstance(txo, Output):
+                # transactions and outputs are cached and shared between wallets
+                # we don't want to leak informaion between wallet so we add the
+                # wallet specific metadata on throw away copies of the txos
+                txo = copy.copy(txo)
+                channel = txo.channel
+                txo.purchase_receipt = None
+                txo.update_annotations(None)
+                txo.channel = channel
+            txos.append(txo)
 
         includes = (
             include_purchase_receipt, include_is_my_output,
             include_sent_supports, include_sent_tips
         )
         if accounts and any(includes):
-            copies = []
             receipts = {}
             if include_purchase_receipt:
                 priced_claims = []
@@ -708,46 +730,38 @@ class Ledger(metaclass=LedgerRegistry):
                     }
             for txo in txos:
                 if isinstance(txo, Output) and txo.can_decode_claim:
-                    # transactions and outputs are cached and shared between wallets
-                    # we don't want to leak informaion between wallet so we add the
-                    # wallet specific metadata on throw away copies of the txos
-                    txo_copy = copy.copy(txo)
-                    copies.append(txo_copy)
                     if include_purchase_receipt:
-                        txo_copy.purchase_receipt = receipts.get(txo.claim_id)
+                        txo.purchase_receipt = receipts.get(txo.claim_id)
                     if include_is_my_output:
                         mine = await self.db.get_txo_count(
                             claim_id=txo.claim_id, txo_type__in=CLAIM_TYPES, is_my_output=True,
                             is_spent=False, accounts=accounts
                         )
                         if mine:
-                            txo_copy.is_my_output = True
+                            txo.is_my_output = True
                         else:
-                            txo_copy.is_my_output = False
+                            txo.is_my_output = False
                     if include_sent_supports:
                         supports = await self.db.get_txo_sum(
                             claim_id=txo.claim_id, txo_type=TXO_TYPES['support'],
                             is_my_input=True, is_my_output=True,
                             is_spent=False, accounts=accounts
                         )
-                        txo_copy.sent_supports = supports
+                        txo.sent_supports = supports
                     if include_sent_tips:
                         tips = await self.db.get_txo_sum(
                             claim_id=txo.claim_id, txo_type=TXO_TYPES['support'],
                             is_my_input=True, is_my_output=False,
                             accounts=accounts
                         )
-                        txo_copy.sent_tips = tips
+                        txo.sent_tips = tips
                     if include_received_tips:
                         tips = await self.db.get_txo_sum(
                             claim_id=txo.claim_id, txo_type=TXO_TYPES['support'],
                             is_my_input=False, is_my_output=True,
                             accounts=accounts
                         )
-                        txo_copy.received_tips = tips
-                else:
-                    copies.append(txo)
-            txos = copies
+                        txo.received_tips = tips
         return txos, blocked, outputs.offset, outputs.total
 
     async def resolve(self, accounts, urls, **kwargs):

lbry/wallet/manager.py

@@ -184,6 +184,7 @@ class WalletManager:
             'auto_connect': True,
             'default_servers': config.lbryum_servers,
             'data_path': config.wallet_dir,
+            'tx_cache_size': config.transaction_cache_size
         }
 
         wallets_directory = os.path.join(config.wallet_dir, 'wallets')

lbry/wallet/network.py

@@ -87,7 +87,7 @@ class ClientSession(BaseClientSession):
             raise
         except asyncio.CancelledError:
             log.info("cancelled sending %s to %s:%i", method, *self.server)
-            self.synchronous_close()
+            # self.synchronous_close()
             raise
         finally:
             self.pending_amount -= 1

lbry/wallet/rpc/session.py

@@ -33,13 +33,16 @@ from asyncio import Event, CancelledError
 import logging
 import time
 from contextlib import suppress
-
+from prometheus_client import Counter, Histogram
 from lbry.wallet.tasks import TaskGroup
 
 from .jsonrpc import Request, JSONRPCConnection, JSONRPCv2, JSONRPC, Batch, Notification
 from .jsonrpc import RPCError, ProtocolError
 from .framing import BadMagicError, BadChecksumError, OversizedPayloadError, BitcoinFramer, NewlineFramer
-from lbry.wallet.server.prometheus import NOTIFICATION_COUNT, RESPONSE_TIMES, REQUEST_ERRORS_COUNT, RESET_CONNECTIONS
+
+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')
+)
 
 
 class Connector:
@@ -372,10 +375,26 @@ class BatchRequest:
                     raise BatchError(self)
 
 
+NAMESPACE = "wallet_server"
+
+
 class RPCSession(SessionBase):
     """Base class for protocols where a message can lead to a response,
     for example JSON RPC."""
 
+    RESPONSE_TIMES = Histogram("response_time", "Response times", namespace=NAMESPACE,
+                               labelnames=("method", "version"), buckets=HISTOGRAM_BUCKETS)
+    NOTIFICATION_COUNT = Counter("notification", "Number of notifications sent (for subscriptions)",
+                                 namespace=NAMESPACE, labelnames=("method", "version"))
+    REQUEST_ERRORS_COUNT = Counter(
+        "request_error", "Number of requests that returned errors", namespace=NAMESPACE,
+        labelnames=("method", "version")
+    )
+    RESET_CONNECTIONS = Counter(
+        "reset_clients", "Number of reset connections by client version",
+        namespace=NAMESPACE, labelnames=("version",)
+    )
+
     def __init__(self, *, framer=None, loop=None, connection=None):
         super().__init__(framer=framer, loop=loop)
         self.connection = connection or self.default_connection()
@@ -388,7 +407,7 @@ class RPCSession(SessionBase):
             except MemoryError:
                 self.logger.warning('received oversized message from %s:%s, dropping connection',
                                     self._address[0], self._address[1])
-                RESET_CONNECTIONS.labels(version=self.client_version).inc()
+                self.RESET_CONNECTIONS.labels(version=self.client_version).inc()
                 self._close()
                 return
 
@@ -422,7 +441,7 @@ class RPCSession(SessionBase):
                               'internal server error')
         if isinstance(request, Request):
             message = request.send_result(result)
-            RESPONSE_TIMES.labels(
+            self.RESPONSE_TIMES.labels(
                 method=request.method,
                 version=self.client_version
             ).observe(time.perf_counter() - start)
@@ -430,7 +449,7 @@ class RPCSession(SessionBase):
                 await self._send_message(message)
         if isinstance(result, Exception):
             self._bump_errors()
-            REQUEST_ERRORS_COUNT.labels(
+            self.REQUEST_ERRORS_COUNT.labels(
                 method=request.method,
                 version=self.client_version
             ).inc()
@@ -467,7 +486,7 @@ class RPCSession(SessionBase):
     async def send_notification(self, method, args=()):
         """Send an RPC notification over the network."""
         message = self.connection.send_notification(Notification(method, args))
-        NOTIFICATION_COUNT.labels(method=method, version=self.client_version).inc()
+        self.NOTIFICATION_COUNT.labels(method=method, version=self.client_version).inc()
         await self._send_message(message)
 
     def send_batch(self, raise_errors=False):

lbry/wallet/server/block_processor.py

@@ -3,6 +3,7 @@ import asyncio
 from struct import pack, unpack
 from concurrent.futures.thread import ThreadPoolExecutor
 from typing import Optional
+from prometheus_client import Gauge, Histogram
 import lbry
 from lbry.schema.claim import Claim
 from lbry.wallet.server.db.writer import SQLDB
@@ -10,7 +11,6 @@ from lbry.wallet.server.daemon import DaemonError
 from lbry.wallet.server.hash import hash_to_hex_str, HASHX_LEN
 from lbry.wallet.server.util import chunks, class_logger
 from lbry.wallet.server.leveldb import FlushData
-from lbry.wallet.server.prometheus import BLOCK_COUNT, BLOCK_UPDATE_TIMES, REORG_COUNT
 
 
 class Prefetcher:
@@ -129,6 +129,12 @@ class ChainError(Exception):
     """Raised on error processing blocks."""
 
 
+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')
+)
+
+
 class BlockProcessor:
     """Process blocks and update the DB state to match.
 
@@ -136,6 +142,16 @@ class BlockProcessor:
     Coordinate backing up in case of chain reorganisations.
     """
 
+    block_count_metric = Gauge(
+        "block_count", "Number of processed blocks", namespace=NAMESPACE
+    )
+    block_update_time_metric = Histogram(
+        "block_time", "Block update times", namespace=NAMESPACE, buckets=HISTOGRAM_BUCKETS
+    )
+    reorg_count_metric = Gauge(
+        "reorg_count", "Number of reorgs", namespace=NAMESPACE
+    )
+
     def __init__(self, env, db, daemon, notifications):
         self.env = env
         self.db = db
@@ -199,8 +215,8 @@ class BlockProcessor:
                 cache.clear()
             await self._maybe_flush()
             processed_time = time.perf_counter() - start
-            BLOCK_COUNT.set(self.height)
-            BLOCK_UPDATE_TIMES.observe(processed_time)
+            self.block_count_metric.set(self.height)
+            self.block_update_time_metric.observe(processed_time)
             if not self.db.first_sync:
                 s = '' if len(blocks) == 1 else 's'
                 self.logger.info('processed {:,d} block{} in {:.1f}s'.format(len(blocks), s, processed_time))
@@ -255,7 +271,7 @@ class BlockProcessor:
             last -= len(raw_blocks)
         await self.run_in_thread_with_lock(self.db.sql.delete_claims_above_height, self.height)
         await self.prefetcher.reset_height(self.height)
-        REORG_COUNT.inc()
+        self.reorg_count_metric.inc()
 
     async def reorg_hashes(self, count):
         """Return a pair (start, last, hashes) of blocks to back up during a

lbry/wallet/server/daemon.py

@@ -6,11 +6,12 @@ from functools import wraps
 from pylru import lrucache
 
 import aiohttp
+from prometheus_client import Gauge, Histogram
 
 from lbry.wallet.rpc.jsonrpc import RPCError
 from lbry.wallet.server.util import hex_to_bytes, class_logger
 from lbry.wallet.rpc import JSONRPC
-from lbry.wallet.server.prometheus import LBRYCRD_REQUEST_TIMES, LBRYCRD_PENDING_COUNT
+
 
 class DaemonError(Exception):
     """Raised when the daemon returns an error in its results."""
@@ -24,12 +25,23 @@ 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
@@ -129,7 +141,7 @@ class Daemon:
         while True:
             try:
                 for method in methods:
-                    LBRYCRD_PENDING_COUNT.labels(method=method).inc()
+                    self.lbrycrd_pending_count_metric.labels(method=method).inc()
                 result = await self._send_data(data)
                 result = processor(result)
                 if on_good_message:
@@ -154,7 +166,7 @@ class Daemon:
                 on_good_message = 'running normally'
             finally:
                 for method in methods:
-                    LBRYCRD_PENDING_COUNT.labels(method=method).dec()
+                    self.lbrycrd_pending_count_metric.labels(method=method).dec()
             await asyncio.sleep(retry)
             retry = max(min(self.max_retry, retry * 2), self.init_retry)
 
@@ -175,7 +187,7 @@ class Daemon:
         if params:
             payload['params'] = params
         result = await self._send(payload, processor)
-        LBRYCRD_REQUEST_TIMES.labels(method=method).observe(time.perf_counter() - start)
+        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):
@@ -200,7 +212,7 @@ class Daemon:
         result = []
         if payload:
             result = await self._send(payload, processor)
-        LBRYCRD_REQUEST_TIMES.labels(method=method).observe(time.perf_counter()-start)
+        self.lbrycrd_request_time_metric.labels(method=method).observe(time.perf_counter() - start)
         return result
 
     async def _is_rpc_available(self, method):

lbry/wallet/server/db/reader.py

@@ -547,10 +547,10 @@ def _apply_constraints_for_array_attributes(constraints, attr, cleaner, for_coun
         if for_count or attr == 'tag':
             if attr == 'tag':
                 any_queries[f'#_any_{attr}'] = f"""
-                    (claim.claim_type != {CLAIM_TYPES['repost']}
+                    ((claim.claim_type != {CLAIM_TYPES['repost']}
                      AND claim.claim_hash IN (SELECT claim_hash FROM tag WHERE tag IN ({values}))) OR
                     (claim.claim_type == {CLAIM_TYPES['repost']} AND
-                     claim.reposted_claim_hash IN (SELECT claim_hash FROM tag WHERE tag IN ({values})))
+                     claim.reposted_claim_hash IN (SELECT claim_hash FROM tag WHERE tag IN ({values}))))
                 """
             else:
                 any_queries[f'#_any_{attr}'] = f"""
@@ -606,10 +606,10 @@ def _apply_constraints_for_array_attributes(constraints, attr, cleaner, for_coun
         if for_count:
             if attr == 'tag':
                 constraints[f'#_not_{attr}'] = f"""
-                    (claim.claim_type != {CLAIM_TYPES['repost']}
-                     AND claim.claim_hash NOT IN (SELECT claim_hash FROM tag WHERE tag IN ({values}))) AND
+                    ((claim.claim_type != {CLAIM_TYPES['repost']}
+                     AND claim.claim_hash NOT IN (SELECT claim_hash FROM tag WHERE tag IN ({values}))) OR
                     (claim.claim_type == {CLAIM_TYPES['repost']} AND
-                     claim.reposted_claim_hash NOT IN (SELECT claim_hash FROM tag WHERE tag IN ({values})))
+                     claim.reposted_claim_hash NOT IN (SELECT claim_hash FROM tag WHERE tag IN ({values}))))
                 """
             else:
                 constraints[f'#_not_{attr}'] = f"""

lbry/wallet/server/prometheus.py

@@ -1,89 +0,0 @@
-import os
-from aiohttp import web
-from prometheus_client import Counter, Info, generate_latest as prom_generate_latest, Histogram, Gauge
-from lbry import __version__ as version
-from lbry.build_info import BUILD, COMMIT_HASH, DOCKER_TAG
-from lbry.wallet.server import util
-import lbry.wallet.server.version as wallet_server_version
-
-NAMESPACE = "wallet_server"
-CPU_COUNT = f"{os.cpu_count()}"
-VERSION_INFO = Info('build', 'Wallet server build info (e.g. version, commit hash)', namespace=NAMESPACE)
-VERSION_INFO.info({
-    'build': BUILD,
-    "commit": COMMIT_HASH,
-    "docker_tag": DOCKER_TAG,
-    'version': version,
-    "min_version": util.version_string(wallet_server_version.PROTOCOL_MIN),
-    "cpu_count": CPU_COUNT
-})
-SESSIONS_COUNT = Gauge("session_count", "Number of connected client sessions", namespace=NAMESPACE,
-                       labelnames=("version", ))
-REQUESTS_COUNT = Counter("requests_count", "Number of requests received", namespace=NAMESPACE,
-                         labelnames=("method", "version"))
-RESPONSE_TIMES = Histogram("response_time", "Response times", namespace=NAMESPACE, labelnames=("method", "version"))
-NOTIFICATION_COUNT = Counter("notification", "Number of notifications sent (for subscriptions)",
-                             namespace=NAMESPACE, labelnames=("method", "version"))
-REQUEST_ERRORS_COUNT = Counter("request_error", "Number of requests that returned errors", namespace=NAMESPACE,
-                               labelnames=("method", "version"))
-SQLITE_INTERRUPT_COUNT = Counter("interrupt", "Number of interrupted queries", namespace=NAMESPACE)
-SQLITE_OPERATIONAL_ERROR_COUNT = Counter(
-    "operational_error", "Number of queries that raised operational errors", namespace=NAMESPACE
-)
-SQLITE_INTERNAL_ERROR_COUNT = Counter(
-    "internal_error", "Number of queries raising unexpected errors", namespace=NAMESPACE
-)
-SQLITE_EXECUTOR_TIMES = Histogram("executor_time", "SQLite executor times", namespace=NAMESPACE)
-SQLITE_PENDING_COUNT = Gauge(
-    "pending_queries_count", "Number of pending and running sqlite queries", namespace=NAMESPACE
-)
-LBRYCRD_REQUEST_TIMES = Histogram(
-    "lbrycrd_request", "lbrycrd requests count", namespace=NAMESPACE, labelnames=("method",)
-)
-LBRYCRD_PENDING_COUNT = Gauge(
-    "lbrycrd_pending_count", "Number of lbrycrd rpcs that are in flight", namespace=NAMESPACE, labelnames=("method",)
-)
-CLIENT_VERSIONS = Counter(
-    "clients", "Number of connections received per client version",
-    namespace=NAMESPACE, labelnames=("version",)
-)
-BLOCK_COUNT = Gauge(
-    "block_count", "Number of processed blocks", namespace=NAMESPACE
-)
-BLOCK_UPDATE_TIMES = Histogram("block_time", "Block update times", namespace=NAMESPACE)
-REORG_COUNT = Gauge(
-    "reorg_count", "Number of reorgs", namespace=NAMESPACE
-)
-RESET_CONNECTIONS = Counter(
-    "reset_clients", "Number of reset connections by client version",
-    namespace=NAMESPACE, labelnames=("version",)
-)
-
-
-class PrometheusServer:
-    def __init__(self):
-        self.logger = util.class_logger(__name__, self.__class__.__name__)
-        self.runner = None
-
-    async def start(self, port: int):
-        prom_app = web.Application()
-        prom_app.router.add_get('/metrics', self.handle_metrics_get_request)
-        self.runner = web.AppRunner(prom_app)
-        await self.runner.setup()
-
-        metrics_site = web.TCPSite(self.runner, "0.0.0.0", port, shutdown_timeout=.5)
-        await metrics_site.start()
-        self.logger.info('metrics server listening on %s:%i', *metrics_site._server.sockets[0].getsockname()[:2])
-
-    async def handle_metrics_get_request(self, request: web.Request):
-        try:
-            return web.Response(
-                text=prom_generate_latest().decode(),
-                content_type='text/plain; version=0.0.4'
-            )
-        except Exception:
-            self.logger.exception('could not generate prometheus data')
-            raise
-
-    async def stop(self):
-        await self.runner.cleanup()

lbry/wallet/server/server.py

@@ -6,7 +6,7 @@ import typing
 
 import lbry
 from lbry.wallet.server.mempool import MemPool, MemPoolAPI
-from lbry.wallet.server.prometheus import PrometheusServer
+from lbry.prometheus import PrometheusServer
 
 
 class Notifications:
@@ -143,4 +143,4 @@ class Server:
     async def start_prometheus(self):
         if not self.prometheus_server and self.env.prometheus_port:
             self.prometheus_server = PrometheusServer()
-            await self.prometheus_server.start(self.env.prometheus_port)
+            await self.prometheus_server.start("0.0.0.0", self.env.prometheus_port)

lbry/wallet/server/session.py

@@ -20,16 +20,15 @@ from functools import partial
 from binascii import hexlify
 from pylru import lrucache
 from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
+from prometheus_client import Counter, Info, Histogram, Gauge
 
 import lbry
+from lbry.build_info import BUILD, COMMIT_HASH, DOCKER_TAG
 from lbry.wallet.server.block_processor import LBRYBlockProcessor
 from lbry.wallet.server.db.writer import LBRYLevelDB
 from lbry.wallet.server.db import reader
 from lbry.wallet.server.websocket import AdminWebSocket
 from lbry.wallet.server.metrics import ServerLoadData, APICallMetrics
-from lbry.wallet.server.prometheus import REQUESTS_COUNT, SQLITE_INTERRUPT_COUNT, SQLITE_INTERNAL_ERROR_COUNT
-from lbry.wallet.server.prometheus import SQLITE_OPERATIONAL_ERROR_COUNT, SQLITE_EXECUTOR_TIMES, SESSIONS_COUNT
-from lbry.wallet.server.prometheus import SQLITE_PENDING_COUNT, CLIENT_VERSIONS
 from lbry.wallet.rpc.framing import NewlineFramer
 import lbry.wallet.server.version as VERSION
 
@@ -119,9 +118,49 @@ class SessionGroup:
         self.semaphore = asyncio.Semaphore(20)
 
 
+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')
+)
+
 class SessionManager:
     """Holds global state about all sessions."""
 
+    version_info_metric = Info(
+        'build', 'Wallet server build info (e.g. version, commit hash)', namespace=NAMESPACE
+    )
+    version_info_metric.info({
+        'build': BUILD,
+        "commit": COMMIT_HASH,
+        "docker_tag": DOCKER_TAG,
+        'version': lbry.__version__,
+        "min_version": util.version_string(VERSION.PROTOCOL_MIN),
+        "cpu_count": os.cpu_count()
+    })
+    session_count_metric = Gauge("session_count", "Number of connected client sessions", namespace=NAMESPACE,
+                                      labelnames=("version",))
+    request_count_metric = Counter("requests_count", "Number of requests received", namespace=NAMESPACE,
+                                        labelnames=("method", "version"))
+
+    interrupt_count_metric = Counter("interrupt", "Number of interrupted queries", namespace=NAMESPACE)
+    db_operational_error_metric = Counter(
+        "operational_error", "Number of queries that raised operational errors", namespace=NAMESPACE
+    )
+    db_error_metric = Counter(
+        "internal_error", "Number of queries raising unexpected errors", namespace=NAMESPACE
+    )
+    executor_time_metric = Histogram(
+        "executor_time", "SQLite executor times", namespace=NAMESPACE, buckets=HISTOGRAM_BUCKETS
+    )
+    pending_query_metric = Gauge(
+        "pending_queries_count", "Number of pending and running sqlite queries", namespace=NAMESPACE
+    )
+
+    client_version_metric = Counter(
+        "clients", "Number of connections received per client version",
+        namespace=NAMESPACE, labelnames=("version",)
+    )
+
     def __init__(self, env: 'Env', db: LBRYLevelDB, bp: LBRYBlockProcessor, daemon: 'Daemon', mempool: 'MemPool',
                  shutdown_event: asyncio.Event):
         env.max_send = max(350000, env.max_send)
@@ -677,7 +716,7 @@ class SessionBase(RPCSession):
         context = {'conn_id': f'{self.session_id}'}
         self.logger = util.ConnectionLogger(self.logger, context)
         self.group = self.session_mgr.add_session(self)
-        SESSIONS_COUNT.labels(version=self.client_version).inc()
+        self.session_mgr.session_count_metric.labels(version=self.client_version).inc()
         peer_addr_str = self.peer_address_str()
         self.logger.info(f'{self.kind} {peer_addr_str}, '
                          f'{self.session_mgr.session_count():,d} total')
@@ -686,7 +725,7 @@ class SessionBase(RPCSession):
         """Handle client disconnection."""
         super().connection_lost(exc)
         self.session_mgr.remove_session(self)
-        SESSIONS_COUNT.labels(version=self.client_version).dec()
+        self.session_mgr.session_count_metric.labels(version=self.client_version).dec()
         msg = ''
         if not self._can_send.is_set():
             msg += ' whilst paused'
@@ -710,7 +749,7 @@ class SessionBase(RPCSession):
         """Handle an incoming request.  ElectrumX doesn't receive
         notifications from client sessions.
         """
-        REQUESTS_COUNT.labels(method=request.method, version=self.client_version).inc()
+        self.session_mgr.request_count_metric.labels(method=request.method, version=self.client_version).inc()
         if isinstance(request, Request):
             handler = self.request_handlers.get(request.method)
             handler = partial(handler, self)
@@ -946,7 +985,7 @@ class LBRYElectrumX(SessionBase):
     async def run_in_executor(self, query_name, func, kwargs):
         start = time.perf_counter()
         try:
-            SQLITE_PENDING_COUNT.inc()
+            self.session_mgr.pending_query_metric.inc()
             result = await asyncio.get_running_loop().run_in_executor(
                 self.session_mgr.query_executor, func, kwargs
             )
@@ -955,18 +994,18 @@ class LBRYElectrumX(SessionBase):
         except reader.SQLiteInterruptedError as error:
             metrics = self.get_metrics_or_placeholder_for_api(query_name)
             metrics.query_interrupt(start, error.metrics)
-            SQLITE_INTERRUPT_COUNT.inc()
+            self.session_mgr.interrupt_count_metric.inc()
             raise RPCError(JSONRPC.QUERY_TIMEOUT, 'sqlite query timed out')
         except reader.SQLiteOperationalError as error:
             metrics = self.get_metrics_or_placeholder_for_api(query_name)
             metrics.query_error(start, error.metrics)
-            SQLITE_OPERATIONAL_ERROR_COUNT.inc()
+            self.session_mgr.db_operational_error_metric.inc()
             raise RPCError(JSONRPC.INTERNAL_ERROR, 'query failed to execute')
         except Exception:
             log.exception("dear devs, please handle this exception better")
             metrics = self.get_metrics_or_placeholder_for_api(query_name)
             metrics.query_error(start, {})
-            SQLITE_INTERNAL_ERROR_COUNT.inc()
+            self.session_mgr.db_error_metric.inc()
             raise RPCError(JSONRPC.INTERNAL_ERROR, 'unknown server error')
         else:
             if self.env.track_metrics:
@@ -975,8 +1014,8 @@ class LBRYElectrumX(SessionBase):
                 metrics.query_response(start, metrics_data)
             return base64.b64encode(result).decode()
         finally:
-            SQLITE_PENDING_COUNT.dec()
-            SQLITE_EXECUTOR_TIMES.observe(time.perf_counter() - start)
+            self.session_mgr.pending_query_metric.dec()
+            self.session_mgr.executor_time_metric.observe(time.perf_counter() - start)
 
     async def run_and_cache_query(self, query_name, function, kwargs):
         metrics = self.get_metrics_or_placeholder_for_api(query_name)
@@ -1181,7 +1220,10 @@ class LBRYElectrumX(SessionBase):
         return await self.address_status(hashX)
 
     async def hashX_unsubscribe(self, hashX, alias):
+        try:
             del self.hashX_subs[hashX]
+        except ValueError:
+            pass
 
     def address_to_hashX(self, address):
         try:
@@ -1443,10 +1485,10 @@ class LBRYElectrumX(SessionBase):
                 raise RPCError(BAD_REQUEST,
                                f'unsupported client: {client_name}')
             if self.client_version != client_name[:17]:
-                SESSIONS_COUNT.labels(version=self.client_version).dec()
+                self.session_mgr.session_count_metric.labels(version=self.client_version).dec()
                 self.client_version = client_name[:17]
-                SESSIONS_COUNT.labels(version=self.client_version).inc()
-        CLIENT_VERSIONS.labels(version=self.client_version).inc()
+                self.session_mgr.session_count_metric.labels(version=self.client_version).inc()
+        self.session_mgr.client_version_metric.labels(version=self.client_version).inc()
 
         # Find the highest common protocol version.  Disconnect if
         # that protocol version in unsupported.

lbry/wallet/transaction.py

@@ -2,6 +2,7 @@ import struct
 import hashlib
 import logging
 import typing
+import asyncio
 from binascii import hexlify, unhexlify
 from typing import List, Iterable, Optional, Tuple
 
@@ -412,8 +413,10 @@ class Output(InputOutput):
         self.channel = None
         self.claim.clear_signature()
 
-    def generate_channel_private_key(self):
-        self.private_key = ecdsa.SigningKey.generate(curve=ecdsa.SECP256k1, hashfunc=hashlib.sha256)
+    async def generate_channel_private_key(self):
+        self.private_key = await asyncio.get_event_loop().run_in_executor(
+            None, ecdsa.SigningKey.generate, ecdsa.SECP256k1, None, hashlib.sha256
+        )
         self.claim.channel.public_key_bytes = self.private_key.get_verifying_key().to_der()
         self.script.generate()
         return self.private_key

scripts/download_blob_from_peer.py

@@ -3,6 +3,7 @@ import os
 import asyncio
 import socket
 import ipaddress
+import lbry.wallet
 from lbry.conf import Config
 from lbry.extras.daemon.storage import SQLiteStorage
 from lbry.blob.blob_manager import BlobManager

setup.cfg

@@ -6,7 +6,7 @@ source =
   lbry
   .tox/*/lib/python*/site-packages/lbry
 
-[cryptography.*,coincurve.*,pbkdf2]
+[cryptography.*,coincurve.*,pbkdf2, libtorrent]
 ignore_missing_imports = True
 
 [pylint]
@@ -18,6 +18,7 @@ max-line-length=120
 good-names=T,t,n,i,j,k,x,y,s,f,d,h,c,e,op,db,tx,io,cachedproperty,log,id,r,iv,ts,l
 valid-metaclass-classmethod-first-arg=mcs
 disable=
+  c-extension-no-member,
   fixme,
   broad-except,
   no-else-return,

tests/integration/blockchain/test_blockchain_reorganization.py

@@ -2,7 +2,6 @@ import logging
 import asyncio
 from binascii import hexlify
 from lbry.testcase import CommandTestCase
-from lbry.wallet.server.prometheus import REORG_COUNT
 
 
 class BlockchainReorganizationTests(CommandTestCase):
@@ -16,7 +15,8 @@ class BlockchainReorganizationTests(CommandTestCase):
         )
 
     async def test_reorg(self):
-        REORG_COUNT.set(0)
+        bp = self.conductor.spv_node.server.bp
+        bp.reorg_count_metric.set(0)
         # invalidate current block, move forward 2
         self.assertEqual(self.ledger.headers.height, 206)
         await self.assertBlockHash(206)
@@ -26,7 +26,7 @@ class BlockchainReorganizationTests(CommandTestCase):
         self.assertEqual(self.ledger.headers.height, 207)
         await self.assertBlockHash(206)
         await self.assertBlockHash(207)
-        self.assertEqual(1, REORG_COUNT._samples()[0][2])
+        self.assertEqual(1, bp.reorg_count_metric._samples()[0][2])
 
         # invalidate current block, move forward 3
         await self.blockchain.invalidate_block((await self.ledger.headers.hash(206)).decode())
@@ -36,7 +36,7 @@ class BlockchainReorganizationTests(CommandTestCase):
         await self.assertBlockHash(206)
         await self.assertBlockHash(207)
         await self.assertBlockHash(208)
-        self.assertEqual(2, REORG_COUNT._samples()[0][2])
+        self.assertEqual(2, bp.reorg_count_metric._samples()[0][2])
 
     async def test_reorg_change_claim_height(self):
         # sanity check

tests/integration/blockchain/test_claim_commands.py

@@ -661,12 +661,15 @@ class ClaimCommands(ClaimTestCase):
         channel_id = self.get_claim_id(await self.channel_create())
         stream_id = self.get_claim_id(await self.stream_create())
 
+        await self.stream_update(stream_id, title='foo')
+
         # type filtering
         r = await self.claim_list(claim_type='channel')
         self.assertEqual(1, len(r))
         self.assertEqual('channel', r[0]['value_type'])
 
-        r = await self.claim_list(claim_type='stream')
+        # catch a bug where cli sends is_spent=False by default
+        r = await self.claim_list(claim_type='stream', is_spent=False)
         self.assertEqual(1, len(r))
         self.assertEqual('stream', r[0]['value_type'])
 

tests/integration/blockchain/test_internal_transaction_api.py

@@ -31,7 +31,7 @@ class BasicTransactionTest(IntegrationTestCase):
         channel_txo = Output.pay_claim_name_pubkey_hash(
             l2d('1.0'), '@bar', channel, self.account.ledger.address_to_hash160(address1)
         )
-        channel_txo.generate_channel_private_key()
+        await channel_txo.generate_channel_private_key()
         channel_txo.script.generate()
         channel_tx = await Transaction.create([], [channel_txo], [self.account], self.account)
 

tests/integration/datanetwork/test_file_commands.py

@@ -2,10 +2,60 @@ import asyncio
 import os
 from binascii import hexlify
 
+from lbry.schema import Claim
 from lbry.testcase import CommandTestCase
+from lbry.torrent.session import TorrentSession
+from lbry.wallet import Transaction
 
 
 class FileCommands(CommandTestCase):
+    async def initialize_torrent(self, tx_to_update=None):
+        if not hasattr(self, 'seeder_session'):
+            self.seeder_session = TorrentSession(self.loop, None)
+            self.addCleanup(self.seeder_session.stop)
+            await self.seeder_session.bind(port=4040)
+        btih = await self.seeder_session.add_fake_torrent()
+        address = await self.account.receiving.get_or_create_usable_address()
+        if not tx_to_update:
+            claim = Claim()
+            claim.stream.update(bt_infohash=btih)
+            tx = await Transaction.claim_create(
+                'torrent', claim, 1, address, [self.account], self.account
+            )
+        else:
+            claim = tx_to_update.outputs[0].claim
+            claim.stream.update(bt_infohash=btih)
+            tx = await Transaction.claim_update(
+                tx_to_update.outputs[0], claim, 1, address, [self.account], self.account
+            )
+        await tx.sign([self.account])
+        await self.broadcast(tx)
+        await self.confirm_tx(tx.id)
+        self.client_session = self.daemon.file_manager.source_managers['torrent'].torrent_session
+        self.client_session._session.add_dht_node(('localhost', 4040))
+        self.client_session.wait_start = False  # fixme: this is super slow on tests
+        return tx, btih
+
+    async def test_download_torrent(self):
+        tx, btih = await self.initialize_torrent()
+        self.assertNotIn('error', await self.out(self.daemon.jsonrpc_get('torrent')))
+        self.assertItemCount(await self.daemon.jsonrpc_file_list(), 1)
+        # second call, see its there and move on
+        self.assertNotIn('error', await self.out(self.daemon.jsonrpc_get('torrent')))
+        self.assertItemCount(await self.daemon.jsonrpc_file_list(), 1)
+        self.assertEqual((await self.daemon.jsonrpc_file_list())['items'][0].identifier, btih)
+        self.assertIn(btih, self.client_session._handles)
+        tx, new_btih = await self.initialize_torrent(tx)
+        self.assertNotEqual(btih, new_btih)
+        # claim now points to another torrent, update to it
+        self.assertNotIn('error', await self.out(self.daemon.jsonrpc_get('torrent')))
+        self.assertEqual((await self.daemon.jsonrpc_file_list())['items'][0].identifier, new_btih)
+        self.assertIn(new_btih, self.client_session._handles)
+        self.assertNotIn(btih, self.client_session._handles)
+        self.assertItemCount(await self.daemon.jsonrpc_file_list(), 1)
+        await self.daemon.jsonrpc_file_delete(delete_all=True)
+        self.assertItemCount(await self.daemon.jsonrpc_file_list(), 0)
+        self.assertNotIn(new_btih, self.client_session._handles)
 
     async def create_streams_in_range(self, *args, **kwargs):
         self.stream_claim_ids = []
@@ -228,11 +278,11 @@ class FileCommands(CommandTestCase):
         await self.daemon.jsonrpc_get('lbry://foo')
         with open(original_path, 'wb') as handle:
             handle.write(b'some other stuff was there instead')
-        self.daemon.stream_manager.stop()
-        await self.daemon.stream_manager.start()
+        self.daemon.file_manager.stop()
+        await self.daemon.file_manager.start()
         await asyncio.wait_for(self.wait_files_to_complete(), timeout=5)  # if this hangs, file didn't get set completed
         # check that internal state got through up to the file list API
-        stream = self.daemon.stream_manager.get_stream_by_stream_hash(file_info['stream_hash'])
+        stream = self.daemon.file_manager.get_filtered(stream_hash=file_info['stream_hash'])[0]
         file_info = (await self.file_list())[0]
         self.assertEqual(stream.file_name, file_info['file_name'])
         # checks if what the API shows is what he have at the very internal level.
@@ -255,7 +305,7 @@ class FileCommands(CommandTestCase):
         resp = await self.out(self.daemon.jsonrpc_get('lbry://foo', timeout=2))
         self.assertNotIn('error', resp)
         self.assertTrue(os.path.isfile(path))
-        self.daemon.stream_manager.stop()
+        self.daemon.file_manager.stop()
         await asyncio.sleep(0.01, loop=self.loop)  # FIXME: this sleep should not be needed
         self.assertFalse(os.path.isfile(path))
 
@@ -348,8 +398,8 @@ class FileCommands(CommandTestCase):
 
         # restart the daemon and make sure the fee is still there
 
-        self.daemon.stream_manager.stop()
-        await self.daemon.stream_manager.start()
+        self.daemon.file_manager.stop()
+        await self.daemon.file_manager.start()
         self.assertItemCount(await self.daemon.jsonrpc_file_list(), 1)
         self.assertEqual((await self.daemon.jsonrpc_file_list())['items'][0].content_fee.raw, raw_content_fee)
         await self.daemon.jsonrpc_file_delete(claim_name='icanpay')

tests/integration/datanetwork/test_streaming.py

@@ -21,8 +21,8 @@ def get_random_bytes(n: int) -> bytes:
 
 class RangeRequests(CommandTestCase):
     async def _restart_stream_manager(self):
-        self.daemon.stream_manager.stop()
-        await self.daemon.stream_manager.start()
+        self.daemon.file_manager.stop()
+        await self.daemon.file_manager.start()
         return
 
     async def _setup_stream(self, data: bytes, save_blobs: bool = True, save_files: bool = False, file_size=0):

tests/integration/other/test_cli.py

@@ -6,7 +6,7 @@ from lbry.conf import Config
 from lbry.extras import cli
 from lbry.extras.daemon.components import (
     DATABASE_COMPONENT, BLOB_COMPONENT, WALLET_COMPONENT, DHT_COMPONENT,
-    HASH_ANNOUNCER_COMPONENT, STREAM_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
+    HASH_ANNOUNCER_COMPONENT, FILE_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
     UPNP_COMPONENT, EXCHANGE_RATE_MANAGER_COMPONENT, WALLET_SERVER_PAYMENTS_COMPONENT
 )
 from lbry.extras.daemon.daemon import Daemon
@@ -21,7 +21,7 @@ class CLIIntegrationTest(AsyncioTestCase):
         conf.api = 'localhost:5299'
         conf.components_to_skip = (
             DATABASE_COMPONENT, BLOB_COMPONENT, WALLET_COMPONENT, DHT_COMPONENT,
-            HASH_ANNOUNCER_COMPONENT, STREAM_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
+            HASH_ANNOUNCER_COMPONENT, FILE_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
             UPNP_COMPONENT, EXCHANGE_RATE_MANAGER_COMPONENT, WALLET_SERVER_PAYMENTS_COMPONENT
         )
         Daemon.component_attributes = {}

tests/unit/blob/test_blob_manager.py

@@ -16,7 +16,7 @@ class TestBlobManager(AsyncioTestCase):
         self.blob_manager = BlobManager(self.loop, tmp_dir, self.storage, self.config)
         await self.storage.open()
 
-    async def test_memory_blobs_arent_verifie_but_real_ones_are(self):
+    async def test_memory_blobs_arent_verified_but_real_ones_are(self):
         for save_blobs in (False, True):
             await self.setup_blob_manager(save_blobs=save_blobs)
             # add a blob file
@@ -24,6 +24,7 @@ class TestBlobManager(AsyncioTestCase):
             blob_bytes = b'1' * ((2 * 2 ** 20) - 1)
             blob = self.blob_manager.get_blob(blob_hash, len(blob_bytes))
             blob.save_verified_blob(blob_bytes)
+            await blob.verified.wait()
             self.assertTrue(blob.get_is_verified())
             self.blob_manager.blob_completed(blob)
             self.assertEqual(self.blob_manager.is_blob_verified(blob_hash), save_blobs)

tests/unit/blob_exchange/test_transfer_blob.py

@@ -34,13 +34,13 @@ class BlobExchangeTestBase(AsyncioTestCase):
         self.addCleanup(shutil.rmtree, self.client_dir)
         self.addCleanup(shutil.rmtree, self.server_dir)
         self.server_config = Config(data_dir=self.server_dir, download_dir=self.server_dir, wallet=self.server_dir,
-                                    reflector_servers=[])
+                                    fixed_peers=[])
         self.server_storage = SQLiteStorage(self.server_config, os.path.join(self.server_dir, "lbrynet.sqlite"))
         self.server_blob_manager = BlobManager(self.loop, self.server_dir, self.server_storage, self.server_config)
         self.server = BlobServer(self.loop, self.server_blob_manager, 'bQEaw42GXsgCAGio1nxFncJSyRmnztSCjP')
 
         self.client_config = Config(data_dir=self.client_dir, download_dir=self.client_dir, wallet=self.client_dir,
-                                    reflector_servers=[])
+                                    fixed_peers=[])
         self.client_storage = SQLiteStorage(self.client_config, os.path.join(self.client_dir, "lbrynet.sqlite"))
         self.client_blob_manager = BlobManager(self.loop, self.client_dir, self.client_storage, self.client_config)
         self.client_peer_manager = PeerManager(self.loop)
@@ -130,10 +130,14 @@ class TestBlobExchange(BlobExchangeTestBase):
         write_blob = blob._write_blob
         write_called_count = 0
 
-        def wrap_write_blob(blob_bytes):
+        async def _wrap_write_blob(blob_bytes):
             nonlocal write_called_count
             write_called_count += 1
-            write_blob(blob_bytes)
+            await write_blob(blob_bytes)
+
+        def wrap_write_blob(blob_bytes):
+            return asyncio.create_task(_wrap_write_blob(blob_bytes))
+
         blob._write_blob = wrap_write_blob
 
         writer1 = blob.get_blob_writer(peer_port=1)
@@ -166,6 +170,7 @@ class TestBlobExchange(BlobExchangeTestBase):
 
         self.assertDictEqual({1: mock_blob_bytes, 2: mock_blob_bytes}, results)
         self.assertEqual(1, write_called_count)
+        await blob.verified.wait()
         self.assertTrue(blob.get_is_verified())
         self.assertDictEqual({}, blob.writers)
 

tests/unit/comments/test_comment_signing.py

@@ -18,31 +18,31 @@ class TestSigningComments(AsyncioTestCase):
             'comment_id': hashlib.sha256(comment.encode()).hexdigest()
         }
 
-    def test01_successful_create_sign_and_validate_comment(self):
-        channel = get_channel('@BusterBluth')
+    async def test01_successful_create_sign_and_validate_comment(self):
+        channel = await get_channel('@BusterBluth')
         stream = get_stream('pop secret')
         comment = self.create_claim_comment_body('Cool stream', stream, channel)
         sign_comment(comment, channel)
         self.assertTrue(is_comment_signed_by_channel(comment, channel))
 
-    def test02_fail_to_validate_spoofed_channel(self):
-        pdiddy = get_channel('@PDitty')
-        channel2 = get_channel('@TomHaverford')
+    async def test02_fail_to_validate_spoofed_channel(self):
+        pdiddy = await get_channel('@PDitty')
+        channel2 = await get_channel('@TomHaverford')
         stream = get_stream()
         comment = self.create_claim_comment_body('Woahh This is Sick!! Shout out 2 my boy Tommy H', stream, pdiddy)
         sign_comment(comment, channel2)
         self.assertFalse(is_comment_signed_by_channel(comment, pdiddy))
 
-    def test03_successful_sign_abandon_comment(self):
-        rswanson = get_channel('@RonSwanson')
+    async def test03_successful_sign_abandon_comment(self):
+        rswanson = await get_channel('@RonSwanson')
         dsilver = get_stream('Welcome to the Pawnee, and give a big round for Ron Swanson, AKA Duke Silver')
         comment_body = self.create_claim_comment_body('COMPUTER, DELETE ALL VIDEOS OF RON.', dsilver, rswanson)
         sign_comment(comment_body, rswanson, abandon=True)
         self.assertTrue(is_comment_signed_by_channel(comment_body, rswanson, abandon=True))
 
-    def test04_invalid_signature(self):
-        rswanson = get_channel('@RonSwanson')
-        jeanralphio = get_channel('@JeanRalphio')
+    async def test04_invalid_signature(self):
+        rswanson = await get_channel('@RonSwanson')
+        jeanralphio = await get_channel('@JeanRalphio')
         chair = get_stream('This is a nice chair. I made it with Mahogany wood and this electric saw')
         chair_comment = self.create_claim_comment_body(
             'Hah. You use an electric saw? Us swansons have been making chairs with handsaws just three after birth.',

tests/unit/components/test_component_manager.py

@@ -16,6 +16,7 @@ class TestComponentManager(AsyncioTestCase):
             [
                 components.DatabaseComponent,
                 components.ExchangeRateManagerComponent,
+                components.TorrentComponent,
                 components.UPnPComponent
             ],
             [
@@ -24,9 +25,9 @@ class TestComponentManager(AsyncioTestCase):
                 components.WalletComponent
             ],
             [
+                components.FileManagerComponent,
                 components.HashAnnouncerComponent,
                 components.PeerProtocolServerComponent,
-                components.StreamManagerComponent,
                 components.WalletServerPaymentsComponent
             ]
         ]
@@ -119,6 +120,8 @@ class FakeComponent:
 class FakeDelayedWallet(FakeComponent):
     component_name = "wallet"
     depends_on = []
+    ledger = None
+    default_wallet = None
 
     async def stop(self):
         await asyncio.sleep(1)
@@ -135,8 +138,8 @@ class FakeDelayedBlobManager(FakeComponent):
         await asyncio.sleep(1)
 
 
-class FakeDelayedStreamManager(FakeComponent):
-    component_name = "stream_manager"
+class FakeDelayedFileManager(FakeComponent):
+    component_name = "file_manager"
     depends_on = [FakeDelayedBlobManager.component_name]
 
     async def start(self):
@@ -153,7 +156,7 @@ class TestComponentManagerProperStart(AdvanceTimeTestCase):
                 PEER_PROTOCOL_SERVER_COMPONENT, UPNP_COMPONENT,
                 EXCHANGE_RATE_MANAGER_COMPONENT],
             wallet=FakeDelayedWallet,
-            stream_manager=FakeDelayedStreamManager,
+            file_manager=FakeDelayedFileManager,
             blob_manager=FakeDelayedBlobManager
         )
 
@@ -163,17 +166,17 @@ class TestComponentManagerProperStart(AdvanceTimeTestCase):
         await self.advance(0)
         self.assertTrue(self.component_manager.get_component('wallet').running)
         self.assertFalse(self.component_manager.get_component('blob_manager').running)
-        self.assertFalse(self.component_manager.get_component('stream_manager').running)
+        self.assertFalse(self.component_manager.get_component('file_manager').running)
 
         await self.advance(1)
         self.assertTrue(self.component_manager.get_component('wallet').running)
         self.assertTrue(self.component_manager.get_component('blob_manager').running)
-        self.assertFalse(self.component_manager.get_component('stream_manager').running)
+        self.assertFalse(self.component_manager.get_component('file_manager').running)
 
         await self.advance(1)
         self.assertTrue(self.component_manager.get_component('wallet').running)
         self.assertTrue(self.component_manager.get_component('blob_manager').running)
-        self.assertTrue(self.component_manager.get_component('stream_manager').running)
+        self.assertTrue(self.component_manager.get_component('file_manager').running)
 
     async def test_proper_stopping_of_components(self):
         asyncio.create_task(self.component_manager.start())
@@ -182,18 +185,18 @@ class TestComponentManagerProperStart(AdvanceTimeTestCase):
         await self.advance(1)
         self.assertTrue(self.component_manager.get_component('wallet').running)
         self.assertTrue(self.component_manager.get_component('blob_manager').running)
-        self.assertTrue(self.component_manager.get_component('stream_manager').running)
+        self.assertTrue(self.component_manager.get_component('file_manager').running)
 
         asyncio.create_task(self.component_manager.stop())
         await self.advance(0)
-        self.assertFalse(self.component_manager.get_component('stream_manager').running)
+        self.assertFalse(self.component_manager.get_component('file_manager').running)
         self.assertTrue(self.component_manager.get_component('blob_manager').running)
         self.assertTrue(self.component_manager.get_component('wallet').running)
         await self.advance(1)
-        self.assertFalse(self.component_manager.get_component('stream_manager').running)
+        self.assertFalse(self.component_manager.get_component('file_manager').running)
         self.assertFalse(self.component_manager.get_component('blob_manager').running)
         self.assertTrue(self.component_manager.get_component('wallet').running)
         await self.advance(1)
-        self.assertFalse(self.component_manager.get_component('stream_manager').running)
+        self.assertFalse(self.component_manager.get_component('file_manager').running)
         self.assertFalse(self.component_manager.get_component('blob_manager').running)
         self.assertFalse(self.component_manager.get_component('wallet').running)

tests/unit/stream/test_managed_stream.py

@@ -76,7 +76,8 @@ class TestManagedStream(BlobExchangeTestBase):
             return q2, self.loop.create_task(_task())
 
         mock_node.accumulate_peers = mock_accumulate_peers or _mock_accumulate_peers
-        await self.stream.save_file(node=mock_node)
+        self.stream.downloader.node = mock_node
+        await self.stream.save_file()
         await self.stream.finished_write_attempt.wait()
         self.assertTrue(os.path.isfile(self.stream.full_path))
         if stop_when_done:
@@ -109,7 +110,6 @@ class TestManagedStream(BlobExchangeTestBase):
         await self.setup_stream(2)
 
         mock_node = mock.Mock(spec=Node)
-        q = asyncio.Queue()
 
         bad_peer = make_kademlia_peer(b'2' * 48, "127.0.0.1", tcp_port=3334, allow_localhost=True)
 
@@ -123,7 +123,8 @@ class TestManagedStream(BlobExchangeTestBase):
 
         mock_node.accumulate_peers = _mock_accumulate_peers
 
-        await self.stream.save_file(node=mock_node)
+        self.stream.downloader.node = mock_node
+        await self.stream.save_file()
         await self.stream.finished_writing.wait()
         self.assertTrue(os.path.isfile(self.stream.full_path))
         with open(self.stream.full_path, 'rb') as f:

tests/unit/stream/test_reflector.py

@@ -39,7 +39,7 @@ class TestStreamAssembler(AsyncioTestCase):
         with open(file_path, 'wb') as f:
             f.write(self.cleartext)
 
-        self.stream = await self.stream_manager.create_stream(file_path)
+        self.stream = await self.stream_manager.create(file_path)
 
     async def _test_reflect_stream(self, response_chunk_size):
         reflector = ReflectorServer(self.server_blob_manager, response_chunk_size=response_chunk_size)

tests/unit/stream/test_stream_manager.py

@@ -5,6 +5,8 @@ from unittest import mock
 import asyncio
 import json
 from decimal import Decimal
+
+from lbry.file.file_manager import FileManager
 from tests.unit.blob_exchange.test_transfer_blob import BlobExchangeTestBase
 from lbry.testcase import get_fake_exchange_rate_manager
 from lbry.utils import generate_id
@@ -110,10 +112,7 @@ async def get_mock_wallet(sd_hash, storage, balance=10.0, fee=None):
 
     async def mock_resolve(*args, **kwargs):
         result = {txo.meta['permanent_url']: txo}
-        claims = [
-            StreamManager._convert_to_old_resolve_output(manager, result)[txo.meta['permanent_url']]
-        ]
-        await storage.save_claims(claims)
+        await storage.save_claim_from_output(ledger, txo)
         return result
     manager.ledger.resolve = mock_resolve
 
@@ -138,11 +137,20 @@ class TestStreamManager(BlobExchangeTestBase):
         )
         self.sd_hash = descriptor.sd_hash
         self.mock_wallet, self.uri = await get_mock_wallet(self.sd_hash, self.client_storage, balance, fee)
-        self.stream_manager = StreamManager(self.loop, self.client_config, self.client_blob_manager, self.mock_wallet,
-                                            self.client_storage, get_mock_node(self.server_from_client),
-                                            AnalyticsManager(self.client_config,
+        analytics_manager = AnalyticsManager(
+            self.client_config,
             binascii.hexlify(generate_id()).decode(),
-                                                             binascii.hexlify(generate_id()).decode()))
+            binascii.hexlify(generate_id()).decode()
+        )
+        self.stream_manager = StreamManager(
+            self.loop, self.client_config, self.client_blob_manager, self.mock_wallet,
+            self.client_storage, get_mock_node(self.server_from_client),
+            analytics_manager
+        )
+        self.file_manager = FileManager(
+            self.loop, self.client_config, self.mock_wallet, self.client_storage, analytics_manager
+        )
+        self.file_manager.source_managers['stream'] = self.stream_manager
         self.exchange_rate_manager = get_fake_exchange_rate_manager()
 
     async def _test_time_to_first_bytes(self, check_post, error=None, after_setup=None):
@@ -159,9 +167,9 @@ class TestStreamManager(BlobExchangeTestBase):
         self.stream_manager.analytics_manager._post = _check_post
         if error:
             with self.assertRaises(error):
-                await self.stream_manager.download_stream_from_uri(self.uri, self.exchange_rate_manager)
+                await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager)
         else:
-            await self.stream_manager.download_stream_from_uri(self.uri, self.exchange_rate_manager)
+            await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager)
         await asyncio.sleep(0, loop=self.loop)
         self.assertTrue(checked_analytics_event)
 
@@ -179,7 +187,7 @@ class TestStreamManager(BlobExchangeTestBase):
         await self._test_time_to_first_bytes(check_post)
 
     async def test_fixed_peer_delay_dht_peers_found(self):
-        self.client_config.reflector_servers = [(self.server_from_client.address, self.server_from_client.tcp_port - 1)]
+        self.client_config.fixed_peers = [(self.server_from_client.address, self.server_from_client.tcp_port)]
         server_from_client = None
         self.server_from_client, server_from_client = server_from_client, self.server_from_client
 
@@ -223,7 +231,7 @@ class TestStreamManager(BlobExchangeTestBase):
         await self._test_time_to_first_bytes(check_post, DownloadSDTimeoutError, after_setup=after_setup)
 
     async def test_override_fixed_peer_delay_dht_disabled(self):
-        self.client_config.reflector_servers = [(self.server_from_client.address, self.server_from_client.tcp_port - 1)]
+        self.client_config.fixed_peers = [(self.server_from_client.address, self.server_from_client.tcp_port)]
         self.client_config.components_to_skip = ['dht', 'hash_announcer']
         self.client_config.fixed_peer_delay = 9001.0
         self.server_from_client = None
@@ -281,7 +289,7 @@ class TestStreamManager(BlobExchangeTestBase):
         self.stream_manager.analytics_manager._post = check_post
 
         self.assertDictEqual(self.stream_manager.streams, {})
-        stream = await self.stream_manager.download_stream_from_uri(self.uri, self.exchange_rate_manager)
+        stream = await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager)
         stream_hash = stream.stream_hash
         self.assertDictEqual(self.stream_manager.streams, {stream.sd_hash: stream})
         self.assertTrue(stream.running)
@@ -302,7 +310,8 @@ class TestStreamManager(BlobExchangeTestBase):
         )
         self.assertEqual(stored_status, "stopped")
 
-        await stream.save_file(node=self.stream_manager.node)
+        stream.downloader.node = self.stream_manager.node
+        await stream.save_file()
         await stream.finished_writing.wait()
         await asyncio.sleep(0, loop=self.loop)
         self.assertTrue(stream.finished)
@@ -313,7 +322,7 @@ class TestStreamManager(BlobExchangeTestBase):
         )
         self.assertEqual(stored_status, "finished")
 
-        await self.stream_manager.delete_stream(stream, True)
+        await self.stream_manager.delete(stream, True)
         self.assertDictEqual(self.stream_manager.streams, {})
         self.assertFalse(os.path.isfile(os.path.join(self.client_dir, "test_file")))
         stored_status = await self.client_storage.run_and_return_one_or_none(
@@ -325,7 +334,7 @@ class TestStreamManager(BlobExchangeTestBase):
     async def _test_download_error_on_start(self, expected_error, timeout=None):
         error = None
         try:
-            await self.stream_manager.download_stream_from_uri(self.uri, self.exchange_rate_manager, timeout)
+            await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager, timeout)
         except Exception as err:
             if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
                 raise
@@ -401,7 +410,7 @@ class TestStreamManager(BlobExchangeTestBase):
             last_blob_hash = json.loads(sdf.read())['blobs'][-2]['blob_hash']
         self.server_blob_manager.delete_blob(last_blob_hash)
         self.client_config.blob_download_timeout = 0.1
-        stream = await self.stream_manager.download_stream_from_uri(self.uri, self.exchange_rate_manager)
+        stream = await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager)
         await stream.started_writing.wait()
         self.assertEqual('running', stream.status)
         self.assertIsNotNone(stream.full_path)
@@ -433,7 +442,7 @@ class TestStreamManager(BlobExchangeTestBase):
         self.stream_manager.analytics_manager._post = check_post
 
         self.assertDictEqual(self.stream_manager.streams, {})
-        stream = await self.stream_manager.download_stream_from_uri(self.uri, self.exchange_rate_manager)
+        stream = await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager)
         await stream.finished_writing.wait()
         await asyncio.sleep(0, loop=self.loop)
         self.stream_manager.stop()

tests/unit/test_conf.py

@@ -90,10 +90,15 @@ class ConfigurationTests(unittest.TestCase):
 
     def test_environment(self):
         c = TestConfig()
+
         self.assertEqual(c.test_str, 'the default')
         c.set_environment({'LBRY_TEST_STR': 'from environ'})
         self.assertEqual(c.test_str, 'from environ')
 
+        self.assertEqual(c.test_int, 9)
+        c.set_environment({'LBRY_TEST_INT': '1'})
+        self.assertEqual(c.test_int, 1)
+
     def test_persisted(self):
         with tempfile.TemporaryDirectory() as temp_dir:
 

tests/unit/wallet/test_database.py

@@ -211,6 +211,7 @@ class TestQueries(AsyncioTestCase):
             'db': Database(':memory:'),
             'headers': Headers(':memory:')
         })
+        await self.ledger.headers.open()
         self.wallet = Wallet()
         await self.ledger.db.open()
 

tests/unit/wallet/test_headers.py

@@ -21,8 +21,8 @@ class TestHeaders(AsyncioTestCase):
     async def test_deserialize(self):
         self.maxDiff = None
         h = Headers(':memory:')
-        h.io.write(HEADERS)
         await h.open()
+        await h.connect(0, HEADERS)
         self.assertEqual(await h.get(0), {
             'bits': 520159231,
             'block_height': 0,
@@ -52,8 +52,11 @@ class TestHeaders(AsyncioTestCase):
         self.assertEqual(headers.height, 19)
 
     async def test_connect_from_middle(self):
-        h = Headers(':memory:')
-        h.io.write(HEADERS[:block_bytes(10)])
+        headers_temporary_file = tempfile.mktemp()
+        self.addCleanup(os.remove, headers_temporary_file)
+        with open(headers_temporary_file, 'w+b') as headers_file:
+            headers_file.write(HEADERS[:block_bytes(10)])
+        h = Headers(headers_temporary_file)
         await h.open()
         self.assertEqual(h.height, 9)
         await h.connect(len(h), HEADERS[block_bytes(10):block_bytes(20)])
@@ -115,6 +118,7 @@ class TestHeaders(AsyncioTestCase):
 
     async def test_bounds(self):
         headers = Headers(':memory:')
+        await headers.open()
         await headers.connect(0, HEADERS)
         self.assertEqual(19, headers.height)
         with self.assertRaises(IndexError):
@@ -126,6 +130,7 @@ class TestHeaders(AsyncioTestCase):
 
     async def test_repair(self):
         headers = Headers(':memory:')
+        await headers.open()
         await headers.connect(0, HEADERS[:block_bytes(11)])
         self.assertEqual(10, headers.height)
         await headers.repair()
@@ -147,24 +152,39 @@ class TestHeaders(AsyncioTestCase):
         await headers.repair(start_height=10)
         self.assertEqual(19, headers.height)
 
-    def test_do_not_estimate_unconfirmed(self):
+    async def test_do_not_estimate_unconfirmed(self):
         headers = Headers(':memory:')
+        await headers.open()
         self.assertIsNone(headers.estimated_timestamp(-1))
         self.assertIsNone(headers.estimated_timestamp(0))
         self.assertIsNotNone(headers.estimated_timestamp(1))
 
-    async def test_misalignment_triggers_repair_on_open(self):
+    async def test_dont_estimate_whats_there(self):
         headers = Headers(':memory:')
-        headers.io.seek(0)
-        headers.io.write(HEADERS)
+        await headers.open()
+        estimated = headers.estimated_timestamp(10)
+        await headers.connect(0, HEADERS)
+        real_time = (await headers.get(10))['timestamp']
+        after_downloading_header_estimated = headers.estimated_timestamp(10)
+        self.assertNotEqual(estimated, after_downloading_header_estimated)
+        self.assertEqual(after_downloading_header_estimated, real_time)
+
+    async def test_misalignment_triggers_repair_on_open(self):
+        headers_temporary_file = tempfile.mktemp()
+        self.addCleanup(os.remove, headers_temporary_file)
+        with open(headers_temporary_file, 'w+b') as headers_file:
+            headers_file.write(HEADERS)
+        headers = Headers(headers_temporary_file)
         with self.assertLogs(level='WARN') as cm:
             await headers.open()
+            await headers.close()
             self.assertEqual(cm.output, [])
-            headers.io.seek(0)
-            headers.io.truncate()
-            headers.io.write(HEADERS[:block_bytes(10)])
-            headers.io.write(b'ops')
-            headers.io.write(HEADERS[block_bytes(10):])
+            with open(headers_temporary_file, 'w+b') as headers_file:
+                headers_file.seek(0)
+                headers_file.truncate()
+                headers_file.write(HEADERS[:block_bytes(10)])
+                headers_file.write(b'ops')
+                headers_file.write(HEADERS[block_bytes(10):])
             await headers.open()
             self.assertEqual(
                 cm.output, [
@@ -192,6 +212,7 @@ class TestHeaders(AsyncioTestCase):
         reader_task = asyncio.create_task(reader())
         await writer()
         await reader_task
+        await headers.close()
 
 
 HEADERS = unhexlify(

tests/unit/wallet/test_ledger.py

@@ -48,6 +48,8 @@ class LedgerTestCase(AsyncioTestCase):
             'db': Database(':memory:'),
             'headers': Headers(':memory:')
         })
+        self.ledger.headers.checkpoints = {}
+        await self.ledger.headers.open()
         self.account = Account.generate(self.ledger, Wallet(), "lbryum")
         await self.ledger.db.open()
 

tests/unit/wallet/test_schema_signing.py

@@ -21,9 +21,9 @@ def get_tx():
     return Transaction().add_inputs([get_input()])
 
 
-def get_channel(claim_name='@foo'):
+async def get_channel(claim_name='@foo'):
     channel_txo = Output.pay_claim_name_pubkey_hash(CENT, claim_name, Claim(), b'abc')
-    channel_txo.generate_channel_private_key()
+    await channel_txo.generate_channel_private_key()
     get_tx().add_outputs([channel_txo])
     return channel_txo
 
@@ -36,32 +36,32 @@ def get_stream(claim_name='foo'):
 
 class TestSigningAndValidatingClaim(AsyncioTestCase):
 
-    def test_successful_create_sign_and_validate(self):
-        channel = get_channel()
+    async def test_successful_create_sign_and_validate(self):
+        channel = await get_channel()
         stream = get_stream()
         stream.sign(channel)
         self.assertTrue(stream.is_signed_by(channel))
 
-    def test_fail_to_validate_on_wrong_channel(self):
+    async def test_fail_to_validate_on_wrong_channel(self):
         stream = get_stream()
-        stream.sign(get_channel())
-        self.assertFalse(stream.is_signed_by(get_channel()))
+        stream.sign(await get_channel())
+        self.assertFalse(stream.is_signed_by(await get_channel()))
 
-    def test_fail_to_validate_altered_claim(self):
-        channel = get_channel()
+    async def test_fail_to_validate_altered_claim(self):
+        channel = await get_channel()
         stream = get_stream()
         stream.sign(channel)
         self.assertTrue(stream.is_signed_by(channel))
         stream.claim.stream.title = 'hello'
         self.assertFalse(stream.is_signed_by(channel))
 
-    def test_valid_private_key_for_cert(self):
-        channel = get_channel()
+    async def test_valid_private_key_for_cert(self):
+        channel = await get_channel()
         self.assertTrue(channel.is_channel_private_key(channel.private_key))
 
-    def test_fail_to_load_wrong_private_key_for_cert(self):
-        channel = get_channel()
-        self.assertFalse(channel.is_channel_private_key(get_channel().private_key))
+    async def test_fail_to_load_wrong_private_key_for_cert(self):
+        channel = await get_channel()
+        self.assertFalse(channel.is_channel_private_key((await get_channel()).private_key))
 
 
 class TestValidatingOldSignatures(AsyncioTestCase):

tox.ini

@@ -11,6 +11,7 @@ commands =
 		--global-option=fetch \
 		--global-option=--version --global-option=3.30.1 --global-option=--all \
 		--global-option=build --global-option=--enable --global-option=fts5
+  pip install lbry-libtorrent
   orchstr8 download
   blockchain: coverage run -p --source={envsitepackagesdir}/lbry -m unittest discover -vv integration.blockchain {posargs}
   datanetwork: coverage run -p --source={envsitepackagesdir}/lbry -m unittest discover -vv integration.datanetwork {posargs}