Skip cleanup so DB is available for debug.

.github/workflows/main.yml

@@ -1,18 +1,18 @@
 name: ci
-on: ["push", "pull_request", "workflow_dispatch"]
+on: ["push", "pull_request"]
 
 jobs:
 
   lint:
     name: lint
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
         with:
-          python-version: '3.9'
+          python-version: '3.7'
       - name: extract pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v2
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
@@ -26,26 +26,26 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu-20.04
+          - ubuntu-latest
           - macos-latest
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
         with:
-          python-version: '3.9'
+          python-version: '3.7'
       - name: set pip cache dir
-        shell: bash
-        run: echo "PIP_CACHE_DIR=$(pip cache dir)" >> $GITHUB_ENV
+        id: pip-cache
+        run: echo "::set-output name=dir::$(pip cache dir)"
       - name: extract pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v2
         with:
-          path: ${{ env.PIP_CACHE_DIR }}
+          path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-pip-
       - id: os-name
-        uses: ASzc/change-string-case-action@v5
+        uses: ASzc/change-string-case-action@v1
         with:
           string: ${{ runner.os }}
       - run: python -m pip install --user --upgrade pip wheel
@@ -72,7 +72,7 @@ jobs:
 
   tests-integration:
     name: "tests / integration"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         test:
@@ -93,16 +93,16 @@ jobs:
         uses: elastic/elastic-github-actions/elasticsearch@master
         with:
           stack-version: 7.12.1
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
         with:
-          python-version: '3.9'
+          python-version: '3.7'
       - if: matrix.test == 'other'
         run: |
           sudo apt-get update
           sudo apt-get install -y --no-install-recommends ffmpeg
       - name: extract pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v2
         with:
           path: ./.tox
           key: tox-integration-${{ matrix.test }}-${{ hashFiles('setup.py') }}
@@ -123,7 +123,7 @@ jobs:
 
   coverage:
     needs: ["tests-unit", "tests-integration"]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - name: finalize coverage report submission
         env:
@@ -138,26 +138,26 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu-20.04
+          - ubuntu-18.04
           - macos-latest
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
         with:
-          python-version: '3.9'
+          python-version: '3.7'
       - id: os-name
-        uses: ASzc/change-string-case-action@v5
+        uses: ASzc/change-string-case-action@v1
         with:
           string: ${{ runner.os }}
       - name: set pip cache dir
-        shell: bash
-        run: echo "PIP_CACHE_DIR=$(pip cache dir)" >> $GITHUB_ENV
+        id: pip-cache
+        run: echo "::set-output name=dir::$(pip cache dir)"
       - name: extract pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v2
         with:
-          path: ${{ env.PIP_CACHE_DIR }}
+          path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
           restore-keys: ${{ runner.os }}-pip-
       - run: pip install pyinstaller==4.6
@@ -175,7 +175,7 @@ jobs:
           pip install pywin32==301
           pyinstaller --additional-hooks-dir=scripts/. --icon=icons/lbry256.ico --onefile --name lbrynet lbry/extras/cli.py
           dist/lbrynet.exe --version
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v2
         with:
           name: lbrynet-${{ steps.os-name.outputs.lowercase }}
           path: dist/
@@ -184,7 +184,7 @@ jobs:
     name: "release"
     if: startsWith(github.ref, 'refs/tags/v')
     needs: ["build"]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
       - uses: actions/download-artifact@v2

.github/workflows/release.yml

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

Makefile

@@ -23,4 +23,4 @@ idea:
 	cp -r scripts/idea/* .idea
 
 elastic-docker:
-	docker run -d -v lbryhub:/usr/share/elasticsearch/data -p 9200:9200 -p 9300:9300 -e"ES_JAVA_OPTS=-Xms512m -Xmx512m" -e "discovery.type=single-node" docker.elastic.co/elasticsearch/elasticsearch:7.12.1
+	docker run -d --env network.publish_host=127.0.0.1 -v lbryhub:/usr/share/elasticsearch/data -p 9200:9200 -p 9300:9300 -e"ES_JAVA_OPTS=-Xms512m -Xmx512m" -e "discovery.type=single-node" docker.elastic.co/elasticsearch/elasticsearch:7.12.1

lbry/__init__.py

@@ -1,2 +1,2 @@
-__version__ = "0.113.0"
+__version__ = "0.112.0"
 version = tuple(map(int, __version__.split('.')))  # pylint: disable=invalid-name

lbry/blob_exchange/downloader.py

@@ -64,7 +64,7 @@ class BlobDownloader:
             self.scores[peer] = bytes_received / elapsed if bytes_received and elapsed else 1
 
     async def new_peer_or_finished(self):
-        active_tasks = list(self.active_connections.values()) + [asyncio.create_task(asyncio.sleep(1))]
+        active_tasks = list(self.active_connections.values()) + [asyncio.sleep(1)]
         await asyncio.wait(active_tasks, return_when='FIRST_COMPLETED')
 
     def cleanup_active(self):

lbry/conf.py

@@ -688,9 +688,6 @@ class Config(CLIConfig):
     tracker_servers = Servers("BitTorrent-compatible (BEP15) UDP trackers for helping P2P discovery", [
         ('tracker.lbry.com', 9252),
         ('tracker.lbry.grin.io', 9252),
-        ('tracker.lbry.pigg.es', 9252),
-        ('tracker.lizard.technology', 9252),
-        ('s1.lbry.network', 9252),
     ])
 
     lbryum_servers = Servers("SPV wallet servers", [
@@ -703,20 +700,14 @@ class Config(CLIConfig):
         ('spv17.lbry.com', 50001),
         ('spv18.lbry.com', 50001),
         ('spv19.lbry.com', 50001),
-        ('hub.lbry.grin.io', 50001),
-        ('hub.lizard.technology', 50001),
-        ('s1.lbry.network', 50001),
     ])
     known_dht_nodes = Servers("Known nodes for bootstrapping connection to the DHT", [
         ('dht.lbry.grin.io', 4444),  # Grin
         ('dht.lbry.madiator.com', 4444),  # Madiator
-        ('dht.lbry.pigg.es', 4444), # Pigges
         ('lbrynet1.lbry.com', 4444),  # US EAST
         ('lbrynet2.lbry.com', 4444),  # US WEST
         ('lbrynet3.lbry.com', 4444),  # EU
-        ('lbrynet4.lbry.com', 4444),  # ASIA
-        ('dht.lizard.technology', 4444),  # Jack
-        ('s2.lbry.network', 4444),
+        ('lbrynet4.lbry.com', 4444)  # ASIA
     ])
 
     # blockchain

lbry/dht/blob_announcer.py

@@ -42,6 +42,8 @@ class BlobAnnouncer:
                     log.debug("failed to announce %s, could only find %d peers, retrying soon.", blob_hash[:8], peers)
             except Exception as err:
                 self.announcements_sent_metric.labels(peers=0, error=True).inc()
+                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
+                    raise err
                 log.warning("error announcing %s: %s", blob_hash[:8], str(err))
 
     async def _announce(self, batch_size: typing.Optional[int] = 10):

lbry/dht/protocol/routing_table.py

@@ -8,7 +8,6 @@ from prometheus_client import Gauge
 
 from lbry import utils
 from lbry.dht import constants
-from lbry.dht.error import RemoteException
 from lbry.dht.protocol.distance import Distance
 if typing.TYPE_CHECKING:
     from lbry.dht.peer import KademliaPeer, PeerManager
@@ -396,7 +395,7 @@ class TreeRoutingTable:
             try:
                 await probe(to_replace)
                 return False
-            except (asyncio.TimeoutError, RemoteException):
+            except asyncio.TimeoutError:
                 log.debug("Replacing dead contact in bucket %i: %s:%i with %s:%i ", bucket_index,
                           to_replace.address, to_replace.udp_port, peer.address, peer.udp_port)
                 if to_replace in self.buckets[bucket_index]:

lbry/extras/daemon/component.py

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

lbry/extras/daemon/componentmanager.py

@@ -118,7 +118,7 @@ class ComponentManager:
                 component._setup() for component in stage if not component.running
             ]
             if needing_start:
-                await asyncio.wait(map(asyncio.create_task, needing_start))
+                await asyncio.wait(needing_start)
         self.started.set()
 
     async def stop(self):
@@ -131,7 +131,7 @@ class ComponentManager:
                 component._stop() for component in stage if component.running
             ]
             if needing_stop:
-                await asyncio.wait(map(asyncio.create_task, needing_stop))
+                await asyncio.wait(needing_stop)
 
     def all_components_running(self, *component_names):
         """

lbry/extras/daemon/components.py

@@ -374,7 +374,7 @@ class FileManagerComponent(Component):
         log.info('Done setting up file manager')
 
     async def stop(self):
-        await self.file_manager.stop()
+        self.file_manager.stop()
 
 
 class BackgroundDownloaderComponent(Component):
@@ -560,6 +560,8 @@ class UPnPComponent(Component):
                 self.upnp = await UPnP.discover(loop=self.component_manager.loop)
                 log.info("found upnp gateway: %s", self.upnp.gateway.manufacturer_string)
             except Exception as err:
+                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
+                    raise
                 log.warning("upnp discovery failed: %s", err)
                 self.upnp = None
 

lbry/extras/daemon/daemon.py

@@ -614,8 +614,7 @@ class Daemon(metaclass=JSONRPCServerType):
             content_type='application/json'
         )
 
-    @staticmethod
-    async def handle_metrics_get_request(request: web.Request):
+    async def handle_metrics_get_request(self, request: web.Request):
         try:
             return web.Response(
                 text=prom_generate_latest().decode(),

lbry/extras/daemon/exchange_rate_manager.py

@@ -80,6 +80,8 @@ class MarketFeed:
             self.rate = ExchangeRate(self.market, rate, int(time.time()))
             self.last_check = time.time()
             return self.rate
+        except asyncio.CancelledError:
+            raise
         except asyncio.TimeoutError:
             log.warning("Timed out fetching exchange rate from %s.", self.name)
         except json.JSONDecodeError as e:

lbry/extras/daemon/storage.py

@@ -793,7 +793,7 @@ class SQLiteStorage(SQLiteMixin):
 
         await self.db.run(_save_claims)
         if update_file_callbacks:
-            await asyncio.wait(map(asyncio.create_task, update_file_callbacks))
+            await asyncio.wait(update_file_callbacks)
         if claim_id_to_supports:
             await self.save_supports(claim_id_to_supports)
 

lbry/file/file_manager.py

@@ -50,10 +50,10 @@ class FileManager:
             await manager.started.wait()
         self.started.set()
 
-    async def stop(self):
+    def stop(self):
         for manager in self.source_managers.values():
             # fixme: pop or not?
-            await manager.stop()
+            manager.stop()
         self.started.clear()
 
     @cache_concurrent
@@ -99,6 +99,8 @@ class FileManager:
             except asyncio.TimeoutError:
                 raise ResolveTimeoutError(uri)
             except Exception as err:
+                if isinstance(err, asyncio.CancelledError):
+                    raise
                 log.exception("Unexpected error resolving stream:")
                 raise ResolveError(f"Unexpected error resolving stream: {str(err)}")
             if 'error' in resolved_result:
@@ -247,7 +249,7 @@ class FileManager:
         except asyncio.TimeoutError:
             error = DownloadDataTimeoutError(stream.sd_hash)
             raise error
-        except (Exception, asyncio.CancelledError) as err:  # forgive data timeout, don't delete stream
+        except Exception as err:  # forgive data timeout, don't delete stream
             expected = (DownloadSDTimeoutError, DownloadDataTimeoutError, InsufficientFundsError,
                         KeyFeeAboveMaxAllowedError, ResolveError, InvalidStreamURLError)
             if isinstance(err, expected):

lbry/file/source.py

@@ -67,7 +67,7 @@ class ManagedDownloadSource:
     async def save_file(self, file_name: Optional[str] = None, download_directory: Optional[str] = None):
         raise NotImplementedError()
 
-    async def stop_tasks(self):
+    def stop_tasks(self):
         raise NotImplementedError()
 
     def set_claim(self, claim_info: typing.Dict, claim: 'Claim'):

lbry/file/source_manager.py

@@ -59,11 +59,11 @@ class SourceManager:
     def add(self, source: ManagedDownloadSource):
         self._sources[source.identifier] = source
 
-    async def remove(self, source: ManagedDownloadSource):
+    def remove(self, source: ManagedDownloadSource):
         if source.identifier not in self._sources:
             return
         self._sources.pop(source.identifier)
-        await source.stop_tasks()
+        source.stop_tasks()
 
     async def initialize_from_database(self):
         raise NotImplementedError()
@@ -72,10 +72,10 @@ class SourceManager:
         await self.initialize_from_database()
         self.started.set()
 
-    async def stop(self):
+    def stop(self):
         while self._sources:
             _, source = self._sources.popitem()
-            await source.stop_tasks()
+            source.stop_tasks()
         self.started.clear()
 
     async def create(self, file_path: str, key: Optional[bytes] = None,
@@ -83,7 +83,7 @@ class SourceManager:
         raise NotImplementedError()
 
     async def delete(self, source: ManagedDownloadSource, delete_file: Optional[bool] = False):
-        await self.remove(source)
+        self.remove(source)
         if delete_file and source.output_file_exists:
             os.remove(source.full_path)
 

lbry/stream/background_downloader.py

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

lbry/stream/managed_stream.py

@@ -191,7 +191,7 @@ class ManagedStream(ManagedDownloadSource):
         Stop any running save/stream tasks as well as the downloader and update the status in the database
         """
 
-        await self.stop_tasks()
+        self.stop_tasks()
         if (finished and self.status != self.STATUS_FINISHED) or self.status == self.STATUS_RUNNING:
             await self.update_status(self.STATUS_FINISHED if finished else self.STATUS_STOPPED)
 
@@ -279,7 +279,7 @@ class ManagedStream(ManagedDownloadSource):
             log.info("finished saving file for lbry://%s#%s (sd hash %s...) -> %s", self.claim_name, self.claim_id,
                      self.sd_hash[:6], self.full_path)
             await self.blob_manager.storage.set_saved_file(self.stream_hash)
-        except (Exception, asyncio.CancelledError) as err:
+        except Exception as err:
             if os.path.isfile(output_path):
                 log.warning("removing incomplete download %s for %s", output_path, self.sd_hash)
                 os.remove(output_path)
@@ -324,13 +324,12 @@ class ManagedStream(ManagedDownloadSource):
             await asyncio.wait_for(self.started_writing.wait(), self.config.download_timeout)
         except asyncio.TimeoutError:
             log.warning("timeout starting to write data for lbry://%s#%s", self.claim_name, self.claim_id)
-            await self.stop_tasks()
+            self.stop_tasks()
             await self.update_status(ManagedStream.STATUS_STOPPED)
 
-    async def stop_tasks(self):
+    def stop_tasks(self):
         if self.file_output_task and not self.file_output_task.done():
             self.file_output_task.cancel()
-            await asyncio.gather(self.file_output_task, return_exceptions=True)
         self.file_output_task = None
         while self.streaming_responses:
             req, response = self.streaming_responses.pop()
@@ -367,7 +366,7 @@ class ManagedStream(ManagedDownloadSource):
             return sent
         except ConnectionError:
             return sent
-        except (OSError, Exception, asyncio.CancelledError) as err:
+        except (OSError, Exception) as err:
             if isinstance(err, asyncio.CancelledError):
                 log.warning("stopped uploading %s#%s to reflector", self.claim_name, self.claim_id)
             elif isinstance(err, OSError):

lbry/stream/stream_manager.py

@@ -164,6 +164,8 @@ class StreamManager(SourceManager):
     async def reflect_streams(self):
         try:
             return await self._reflect_streams()
+        except asyncio.CancelledError:
+            raise
         except Exception:
             log.exception("reflector task encountered an unexpected error!")
 
@@ -196,8 +198,8 @@ class StreamManager(SourceManager):
         await super().start()
         self.re_reflect_task = self.loop.create_task(self.reflect_streams())
 
-    async def stop(self):
-        await super().stop()
+    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():
@@ -224,8 +226,7 @@ class StreamManager(SourceManager):
         )
         return task
 
-    @staticmethod
-    async def _retriable_reflect_stream(stream, host, port):
+    async def _retriable_reflect_stream(self, stream, host, port):
         sent = await stream.upload_to_reflector(host, port)
         while not stream.is_fully_reflected and stream.reflector_progress > 0 and len(sent) > 0:
             stream.reflector_progress = 0
@@ -260,7 +261,7 @@ class StreamManager(SourceManager):
             return
         if source.identifier in self.running_reflector_uploads:
             self.running_reflector_uploads[source.identifier].cancel()
-        await source.stop_tasks()
+        source.stop_tasks()
         if source.identifier in self.streams:
             del self.streams[source.identifier]
         blob_hashes = [source.identifier] + [b.blob_hash for b in source.descriptor.blobs[:-1]]

lbry/torrent/torrent_manager.py

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

lbry/wallet/coinselection.py

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

lbry/wallet/ledger.py

@@ -30,6 +30,7 @@ from lbry.wallet.bip32 import PublicKey, PrivateKey
 from lbry.wallet.coinselection import CoinSelector
 
 log = logging.getLogger(__name__)
+log.setLevel("DEBUG")
 
 LedgerType = Type['BaseLedger']
 
@@ -329,10 +330,10 @@ class Ledger(metaclass=LedgerRegistry):
     async def start(self):
         if not os.path.exists(self.path):
             os.mkdir(self.path)
-        await asyncio.wait(map(asyncio.create_task, [
+        await asyncio.wait([
             self.db.open(),
             self.headers.open()
-        ]))
+        ])
         fully_synced = self.on_ready.first
         asyncio.create_task(self.network.start())
         await self.network.on_connected.first
@@ -466,9 +467,9 @@ class Ledger(metaclass=LedgerRegistry):
     async def subscribe_accounts(self):
         if self.network.is_connected and self.accounts:
             log.info("Subscribe to %i accounts", len(self.accounts))
-            await asyncio.wait(map(asyncio.create_task, [
+            await asyncio.wait([
                 self.subscribe_account(a) for a in self.accounts
-            ]))
+            ])
 
     async def subscribe_account(self, account: Account):
         for address_manager in account.address_managers.values():
@@ -506,6 +507,7 @@ class Ledger(metaclass=LedgerRegistry):
 
     def process_status_update(self, update):
         address, remote_status = update
+        print(f"**** status update {address} {remote_status}")
         self._update_tasks.add(self.update_history(address, remote_status))
 
     async def update_history(self, address, remote_status, address_manager: AddressManager = None,
@@ -518,6 +520,7 @@ class Ledger(metaclass=LedgerRegistry):
                 return True
 
             remote_history = await self.network.retriable_call(self.network.get_history, address)
+            print(f'>>>>>> {remote_history}')
             remote_history = list(map(itemgetter('tx_hash', 'height'), remote_history))
             we_need = set(remote_history) - set(local_history)
             if not we_need:
@@ -549,7 +552,7 @@ class Ledger(metaclass=LedgerRegistry):
                     continue
                 to_request[i] = (txid, remote_height)
 
-            log.debug(
+            log.warning(
                 "request %i transactions, %i/%i for %s are already synced", len(to_request), len(already_synced),
                 len(remote_history), address
             )
@@ -558,8 +561,8 @@ class Ledger(metaclass=LedgerRegistry):
                 self.maybe_has_channel_key(tx)
                 pending_synced_history[tx_indexes[tx.id]] = f"{tx.id}:{tx.height}:"
                 if len(pending_synced_history) % 100 == 0:
-                    log.info("Syncing address %s: %d/%d", address, len(pending_synced_history), len(to_request))
-            log.info("Sync finished for address %s: %d/%d", address, len(pending_synced_history), len(to_request))
+                    log.warning("Syncing address %s: %d/%d", address, len(pending_synced_history), len(to_request))
+            log.warning("Sync finished for address %s: %d/%d", address, len(pending_synced_history), len(to_request))
 
             assert len(pending_synced_history) == len(remote_history), \
                 f"{len(pending_synced_history)} vs {len(remote_history)} for {address}"
@@ -606,7 +609,7 @@ class Ledger(metaclass=LedgerRegistry):
                 self._known_addresses_out_of_sync.add(address)
                 return False
             else:
-                log.debug("finished syncing transaction history for %s, %i known txs", address, len(local_history))
+                log.warning("finished syncing transaction history for %s, %i known txs", address, len(local_history))
                 return True
 
     async def maybe_verify_transaction(self, tx, remote_height, merkle=None):
@@ -621,6 +624,8 @@ class Ledger(metaclass=LedgerRegistry):
             header = await self.headers.get(remote_height)
             tx.position = merkle['pos']
             tx.is_verified = merkle_root == header['merkle_root']
+            if not tx.is_verified:
+                print(f"&&&&&&& {tx.height}: {merkle_root} != {header['merkle_root']}")
         return tx
 
     def maybe_has_channel_key(self, tx):
@@ -938,7 +943,9 @@ class Ledger(metaclass=LedgerRegistry):
                              "%d change addresses (gap: %d), %d channels, %d certificates and %d claims. ",
                              account.id, balance, total_receiving, account.receiving.gap, total_change,
                              account.change.gap, channel_count, len(account.channel_keys), claim_count)
-        except Exception:
+        except Exception as err:
+            if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
+                raise
             log.exception(
                 'Failed to display wallet state, please file issue '
                 'for this bug along with the traceback you see below:')
@@ -961,7 +968,9 @@ class Ledger(metaclass=LedgerRegistry):
             claim_ids = [p.purchased_claim_id for p in purchases]
             try:
                 resolved, _, _, _ = await self.claim_search([], claim_ids=claim_ids)
-            except Exception:
+            except Exception as err:
+                if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
+                    raise
                 log.exception("Resolve failed while looking up purchased claim ids:")
                 resolved = []
             lookup = {claim.claim_id: claim for claim in resolved}
@@ -1041,7 +1050,9 @@ class Ledger(metaclass=LedgerRegistry):
         claim_ids = collection.claim.collection.claims.ids[offset:page_size + offset]
         try:
             resolve_results, _, _, _ = await self.claim_search([], claim_ids=claim_ids)
-        except Exception:
+        except Exception as err:
+            if isinstance(err, asyncio.CancelledError):  # TODO: remove when updated to 3.8
+                raise
             log.exception("Resolve failed while looking up collection claim ids:")
             return []
         claims = []

lbry/wallet/network.py

@@ -76,7 +76,9 @@ class ClientSession(BaseClientSession):
                     raise asyncio.TimeoutError
                 if done:
                     try:
-                        return request.result()
+                        result = request.result()
+                        log.warning("sent %s%s to %s:%i (%i timeout) result: %s", method, tuple(args), self.server[0], self.server[1], self.timeout, result)
+                        return result
                     except ConnectionResetError:
                         log.error(
                             "wallet server (%s) reset connection upon our %s request, json of %i args is %i bytes",
@@ -117,7 +119,7 @@ class ClientSession(BaseClientSession):
                     )
                 else:
                     await asyncio.sleep(max(0, max_idle - (now - self.last_send)))
-        except (Exception, asyncio.CancelledError) as err:
+        except Exception as err:
             if isinstance(err, asyncio.CancelledError):
                 log.info("closing connection to %s:%i", *self.server)
             else:
@@ -214,7 +216,7 @@ class Network:
         def loop_task_done_callback(f):
             try:
                 f.result()
-            except (Exception, asyncio.CancelledError):
+            except Exception:
                 if self.running:
                     log.exception("wallet server connection loop crashed")
 
@@ -304,7 +306,7 @@ class Network:
                 await client.ensure_server_version()
                 return client
             except (asyncio.TimeoutError, ConnectionError, OSError, IncompatibleWalletServerError, RPCError):
-                log.warning("Connecting to %s:%d failed", host, port)
+                log.exception("Connecting to %s:%d failed", host, port)
                 client._close()
         return
 
@@ -312,8 +314,7 @@ class Network:
         sleep_delay = 30
         while self.running:
             await asyncio.wait(
-                map(asyncio.create_task, [asyncio.sleep(30), self._urgent_need_reconnect.wait()]),
-                return_when=asyncio.FIRST_COMPLETED
+                [asyncio.sleep(30), self._urgent_need_reconnect.wait()], return_when=asyncio.FIRST_COMPLETED
             )
             if self._urgent_need_reconnect.is_set():
                 sleep_delay = 30
@@ -329,7 +330,8 @@ class Network:
                 features = await client.send_request('server.features', [])
                 self.client, self.server_features = client, features
                 log.debug("discover other hubs %s:%i", *client.server)
-                await self._update_hubs(await client.send_request('server.peers.subscribe', []))
+                # TODO: Enable this after herald.go supports 'server.peers.subscribe'.
+                #await self._update_hubs(await client.send_request('server.peers.subscribe', []))
                 log.info("subscribe to headers %s:%i", *client.server)
                 self._update_remote_height((await self.subscribe_headers(),))
                 self._on_connected_controller.add(True)
@@ -339,7 +341,7 @@ class Network:
                 try:
                     if not self._urgent_need_reconnect.is_set():
                         await asyncio.wait(
-                            [self._keepalive_task, asyncio.create_task(self._urgent_need_reconnect.wait())],
+                            [self._keepalive_task, self._urgent_need_reconnect.wait()],
                             return_when=asyncio.FIRST_COMPLETED
                         )
                     else:

lbry/wallet/orchstr8/node.py

@@ -1,5 +1,6 @@
 # pylint: disable=import-error
 import os
+import signal
 import json
 import shutil
 import asyncio
@@ -30,7 +31,7 @@ try:
     from hub.elastic_sync.service import ElasticSyncService
     from hub.scribe.service import BlockchainProcessorService
 except ImportError:
-    pass
+    raise
 
 
 def get_lbcd_node_from_ledger(ledger_module):
@@ -226,6 +227,7 @@ class SPVNode:
         self.stopped = False
         try:
             self.data_path = tempfile.mkdtemp()
+            #self.data_path = '/Users/swdev1/herald/test_db'
             conf = {
                 'description': '',
                 'payment_address': '',
@@ -249,7 +251,9 @@ class SPVNode:
                 BlockchainEnv(db_dir=self.data_path, daemon_url=lbcwallet_node.rpc_url,
                               reorg_limit=100, max_query_workers=0, chain='regtest', index_address_status=False)
             )
-            self.server = HubServerService(ServerEnv(**conf))
+            # Select Herald variant:
+            self.server = HubNode("", "herald", self)          # Go Herald
+            #self.server = HubServerService(ServerEnv(**conf))  # Python Herald
             self.es_writer = ElasticSyncService(
                 ElasticEnv(
                     db_dir=self.data_path, reorg_limit=100, max_query_workers=0, chain='regtest',
@@ -264,6 +268,7 @@ class SPVNode:
             await self.server.start()
         except Exception as e:
             self.stopped = True
+            if not isinstance(e, asyncio.CancelledError):
                 log.exception("failed to start spv node")
             raise e
 
@@ -284,7 +289,8 @@ class SPVNode:
             cleanup and self.cleanup()
 
     def cleanup(self):
-        shutil.rmtree(self.data_path, ignore_errors=True)
+        log.error("skipping cleanup of data_path: %s", self.data_path)
+        #shutil.rmtree(self.data_path, ignore_errors=True)
 
 
 class LBCDProcess(asyncio.SubprocessProtocol):
@@ -673,3 +679,146 @@ class LBCWalletNode:
 
     def get_raw_transaction(self, txid):
         return self._cli_cmnd('getrawtransaction', txid, '1')
+
+
+class HubProcess(asyncio.SubprocessProtocol):
+    def __init__(self, ready, stopped):
+        self.ready = ready
+        self.stopped = stopped
+        self.log = log.getChild('hub')
+        self.transport = None
+
+    def pipe_data_received(self, fd, data):
+        self.stopped.clear()
+        self.ready.set()
+        if self.log:
+            self.log.warning(data.decode())
+        #if b'error' in data.lower():
+        #    self.ready.set()
+        #    raise SystemError(data.decode())
+        if b'listening on' in data:
+            self.ready.set()
+        str_lines = str(data.decode()).split("\n")
+        for line in str_lines:
+            if 'releaseTime' in line:
+                print(line)
+
+    def process_exited(self):
+        self.ready.clear()
+        self.stopped.set()
+
+    async def stop(self):
+        t = asyncio.create_task(self.stopped.wait())
+        try:
+            self.transport.send_signal(signal.SIGINT)
+            await asyncio.wait_for(t, 3)
+            # log.warning("stopped go hub")
+        except asyncio.TimeoutError:
+            if not t.done():
+                t.cancel()
+            self.transport.terminate()
+            await self.stopped.wait()
+            log.warning("terminated go hub")
+
+
+class HubNode:
+    def __init__(self, url, daemon, spv_node):
+        self.spv_node = spv_node
+        self.latest_release_url = url
+        self.project_dir = os.path.dirname(os.path.dirname(__file__))
+        self.bin_dir = os.path.join(self.project_dir, 'bin')
+        self.daemon_bin = os.path.join(self.bin_dir, daemon)
+        self.cli_bin = os.path.join(self.bin_dir, daemon)
+        self.log = log.getChild('hub')
+        self.transport = None
+        self.protocol = None
+        self.hostname = 'localhost'
+        self.rpcport = 50051  # avoid conflict with default rpc port
+        self._stopped = asyncio.Event()
+        self.running = asyncio.Event()
+
+    @property
+    def stopped(self):
+        return not self.running.is_set()
+
+    @property
+    def exists(self):
+        return (
+             os.path.exists(self.cli_bin) and
+             os.path.exists(self.daemon_bin)
+        )
+
+    def download(self):
+        downloaded_file = os.path.join(
+             self.bin_dir,
+             self.latest_release_url[self.latest_release_url.rfind('/')+1:]
+        )
+
+        if not os.path.exists(self.bin_dir):
+            os.mkdir(self.bin_dir)
+
+        if not os.path.exists(downloaded_file):
+            self.log.info('Downloading: %s', self.latest_release_url)
+            with urllib.request.urlopen(self.latest_release_url) as response:
+                with open(downloaded_file, 'wb') as out_file:
+                   shutil.copyfileobj(response, out_file)
+
+        self.log.info('Extracting: %s', downloaded_file)
+
+        if downloaded_file.endswith('.zip'):
+            with zipfile.ZipFile(downloaded_file) as dotzip:
+                dotzip.extractall(self.bin_dir)
+                # zipfile bug https://bugs.python.org/issue15795
+                os.chmod(self.cli_bin, 0o755)
+                os.chmod(self.daemon_bin, 0o755)
+
+        elif downloaded_file.endswith('.tar.gz'):
+            with tarfile.open(downloaded_file) as tar:
+                tar.extractall(self.bin_dir)
+
+        os.chmod(self.daemon_bin, 0o755)
+
+        return self.exists
+
+    def ensure(self):
+        return self.exists or self.download()
+
+    async def start(self):
+        assert self.ensure()
+        loop = asyncio.get_event_loop()
+        asyncio.get_child_watcher().attach_loop(loop)
+        command = [
+            self.daemon_bin, 'serve',
+            '--db-path', self.spv_node.data_path + '/lbry-rocksdb',
+            '--chain', 'regtest',
+            '--json-rpc-port', str(self.spv_node.port),
+            '--json-rpc-http-port', '0',  # disabled
+            '--esindex', self.spv_node.index_name + 'claims',
+            '--notifier-port', str(self.spv_node.elastic_notifier_port),
+            '--debug'
+        ]
+        self.log.info(' '.join(command))
+        self.protocol = HubProcess(self.running, self._stopped)
+        try:
+            self.transport, _ = await loop.subprocess_exec(
+                lambda: self.protocol, *command
+            )
+            self.protocol.transport = self.transport
+        except Exception as e:
+            log.exception('failed to start go hub', exc_info=e)
+            raise e
+        await self.protocol.ready.wait()
+
+    async def stop(self, cleanup=True):
+        try:
+            if self.protocol:
+                await self.protocol.stop()
+        except Exception as e:
+            log.exception('failed to stop go hub', exc_info=e)
+            raise e
+        finally:
+            if cleanup:
+                self.cleanup()
+
+    def cleanup(self):
+        pass

setup.cfg

@@ -28,7 +28,6 @@ disable=
   no-else-return,
   cyclic-import,
   missing-docstring,
-  consider-using-f-string,
   duplicate-code,
   expression-not-assigned,
   inconsistent-return-statements,

setup.py

@@ -18,7 +18,7 @@ setup(
     long_description_content_type="text/markdown",
     keywords="lbry protocol media",
     license='MIT',
-    python_requires='>=3.8',
+    python_requires='>=3.7',
     packages=find_packages(exclude=('tests',)),
     zip_safe=False,
     entry_points={
@@ -36,7 +36,7 @@ setup(
         'distro==1.4.0',
         'base58==1.0.0',
         'cffi==1.13.2',
-        'cryptography==3.4.7',
+        'cryptography==2.5',
         'protobuf==3.17.2',
         'prometheus_client==0.7.1',
         'ecdsa==0.13.3',
@@ -50,7 +50,7 @@ setup(
     ],
     extras_require={
         'lint': [
-            'pylint==2.13.9'
+            'pylint==2.10.0'
         ],
         'test': [
             'coverage',

tests/dht_mocks.py

@@ -61,6 +61,7 @@ def mock_network_loop(loop: asyncio.AbstractEventLoop,
         dht_network[from_addr] = protocol
         return transport, protocol
 
+    with mock.patch('socket.socket') as mock_socket:
         mock_sock = mock.Mock(spec=socket.socket)
         mock_sock.setsockopt = lambda *_: None
         mock_sock.bind = lambda *_: None
@@ -70,5 +71,6 @@ def mock_network_loop(loop: asyncio.AbstractEventLoop,
         mock_sock.close = lambda: None
         mock_sock.type = socket.SOCK_DGRAM
         mock_sock.fileno = lambda: 7
+        mock_socket.return_value = mock_sock
         loop.create_datagram_endpoint = create_datagram_endpoint
         yield

tests/integration/datanetwork/test_file_commands.py

@@ -354,7 +354,7 @@ 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')
-        await self.daemon.file_manager.stop()
+        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
@@ -382,7 +382,8 @@ 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))
-        await self.daemon.file_manager.stop()
+        self.daemon.file_manager.stop()
+        await asyncio.sleep(0.01)  # FIXME: this sleep should not be needed
         self.assertFalse(os.path.isfile(path))
 
     async def test_incomplete_downloads_retry(self):
@@ -477,7 +478,7 @@ class FileCommands(CommandTestCase):
 
         # restart the daemon and make sure the fee is still there
 
-        await self.daemon.file_manager.stop()
+        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)

tests/integration/datanetwork/test_streaming.py

@@ -3,9 +3,7 @@ import hashlib
 import aiohttp
 import aiohttp.web
 import asyncio
-import contextlib
 
-from lbry.file.source import ManagedDownloadSource
 from lbry.utils import aiohttp_request
 from lbry.blob.blob_file import MAX_BLOB_SIZE
 from lbry.testcase import CommandTestCase
@@ -23,7 +21,7 @@ def get_random_bytes(n: int) -> bytes:
 
 class RangeRequests(CommandTestCase):
     async def _restart_stream_manager(self):
-        await self.daemon.file_manager.stop()
+        self.daemon.file_manager.stop()
         await self.daemon.file_manager.start()
         return
 
@@ -354,20 +352,13 @@ class RangeRequests(CommandTestCase):
         path = stream.full_path
         self.assertIsNotNone(path)
         if wait_for_start_writing:
-            with contextlib.suppress(asyncio.CancelledError):
             await stream.started_writing.wait()
             self.assertTrue(os.path.isfile(path))
-        await self.daemon.file_manager.stop()
-        # while stopped, we get no response to query and no file is present
-        self.assertEqual((await self.daemon.jsonrpc_file_list())['items'], [])
-        self.assertEqual(os.path.isfile(path), stream.status == ManagedDownloadSource.STATUS_FINISHED)
-        await self.daemon.file_manager.start()
-        # after restart, we get a response to query and same file path
+        await self._restart_stream_manager()
         stream = (await self.daemon.jsonrpc_file_list())['items'][0]
         self.assertIsNotNone(stream.full_path)
-        self.assertEqual(stream.full_path, path)
+        self.assertFalse(os.path.isfile(path))
         if wait_for_start_writing:
-            with contextlib.suppress(asyncio.CancelledError):
             await stream.started_writing.wait()
             self.assertTrue(os.path.isfile(path))
 

tests/unit/stream/test_stream_manager.py

@@ -424,7 +424,7 @@ class TestStreamManager(BlobExchangeTestBase):
         self.assertIsNone(stream.full_path)
         self.assertEqual(0, stream.written_bytes)
 
-        await self.stream_manager.stop()
+        self.stream_manager.stop()
         await self.stream_manager.start()
         self.assertEqual(1, len(self.stream_manager.streams))
         stream = list(self.stream_manager.streams.values())[0]
@@ -449,7 +449,7 @@ class TestStreamManager(BlobExchangeTestBase):
         stream = await self.file_manager.download_from_uri(self.uri, self.exchange_rate_manager)
         await stream.finished_writing.wait()
         await asyncio.sleep(0)
-        await self.stream_manager.stop()
+        self.stream_manager.stop()
         self.client_blob_manager.stop()
         # partial removal, only sd blob is missing.
         # in this case, we recover the sd blob while the other blobs are kept untouched as 'finished'