fix reposted channel being missing from resolve result

-improve names of the resolve related methods in `LevelDB`

lbry/wallet/server/leveldb.py

@@ -58,6 +58,13 @@ TXO_STRUCT_pack = TXO_STRUCT.pack
 OptionalResolveResultOrError = Optional[typing.Union[ResolveResult, ResolveCensoredError, LookupError, ValueError]]
 
 
+class ExpandedResolveResult(typing.NamedTuple):
+    stream: OptionalResolveResultOrError
+    channel: OptionalResolveResultOrError
+    repost: OptionalResolveResultOrError
+    reposted_channel: OptionalResolveResultOrError
+
+
 class DBError(Exception):
     """Raised on general DB errors generally indicating corruption."""
 
@@ -228,7 +235,7 @@ class LevelDB:
             signature_valid=None if not channel_hash else signature_valid
         )
 
-    def _resolve(self, name: str, claim_id: Optional[str] = None,
+    def _resolve_parsed_url(self, name: str, claim_id: Optional[str] = None,
                             amount_order: Optional[int] = None) -> Optional[ResolveResult]:
         """
         :param normalized_name: name
@@ -296,12 +303,11 @@ class LevelDB:
             return
         return list(sorted(candidates, key=lambda item: item[1]))[0]
 
-    def _fs_resolve(self, url) -> typing.Tuple[OptionalResolveResultOrError, OptionalResolveResultOrError,
+    def _resolve(self, url) -> ExpandedResolveResult:
-                                               OptionalResolveResultOrError]:
         try:
             parsed = URL.parse(url)
         except ValueError as e:
-            return e, None, None
+            return ExpandedResolveResult(e, None, None, None)
 
         stream = channel = resolved_channel = resolved_stream = None
         if parsed.has_stream_in_channel:
@@ -312,9 +318,9 @@ class LevelDB:
         elif parsed.has_stream:
             stream = parsed.stream
         if channel:
-            resolved_channel = self._resolve(channel.name, channel.claim_id, channel.amount_order)
+            resolved_channel = self._resolve_parsed_url(channel.name, channel.claim_id, channel.amount_order)
             if not resolved_channel:
-                return None, LookupError(f'Could not find channel in "{url}".'), None
+                return ExpandedResolveResult(None, LookupError(f'Could not find channel in "{url}".'), None, None)
         if stream:
             if resolved_channel:
                 stream_claim = self._resolve_claim_in_channel(resolved_channel.claim_hash, stream.normalized)
@@ -322,13 +328,14 @@ class LevelDB:
                     stream_claim_id, stream_tx_num, stream_tx_pos, effective_amount = stream_claim
                     resolved_stream = self._fs_get_claim_by_hash(stream_claim_id)
             else:
-                resolved_stream = self._resolve(stream.name, stream.claim_id, stream.amount_order)
+                resolved_stream = self._resolve_parsed_url(stream.name, stream.claim_id, stream.amount_order)
                 if not channel and not resolved_channel and resolved_stream and resolved_stream.channel_hash:
                     resolved_channel = self._fs_get_claim_by_hash(resolved_stream.channel_hash)
             if not resolved_stream:
-                return LookupError(f'Could not find claim at "{url}".'), None, None
+                return ExpandedResolveResult(LookupError(f'Could not find claim at "{url}".'), None, None, None)
 
         repost = None
+        reposted_channel = None
         if resolved_stream or resolved_channel:
             claim_hash = resolved_stream.claim_hash if resolved_stream else resolved_channel.claim_hash
             claim = resolved_stream if resolved_stream else resolved_channel
@@ -338,14 +345,17 @@ class LevelDB:
                 reposted_claim_hash) or self.blocked_channels.get(claim.channel_hash)
             if blocker_hash:
                 reason_row = self._fs_get_claim_by_hash(blocker_hash)
-                return None, ResolveCensoredError(url, blocker_hash, censor_row=reason_row), None
+                return ExpandedResolveResult(
+                    None, ResolveCensoredError(url, blocker_hash, censor_row=reason_row), None, None
+                )
             if claim.reposted_claim_hash:
                 repost = self._fs_get_claim_by_hash(claim.reposted_claim_hash)
-        return resolved_stream, resolved_channel, repost
+                if repost and repost.channel_hash and repost.signature_valid:
+                    reposted_channel = self._fs_get_claim_by_hash(repost.channel_hash)
+        return ExpandedResolveResult(resolved_stream, resolved_channel, repost, reposted_channel)
 
-    async def fs_resolve(self, url) -> typing.Tuple[OptionalResolveResultOrError, OptionalResolveResultOrError,
+    async def resolve(self, url) -> ExpandedResolveResult:
-                                                    OptionalResolveResultOrError]:
+         return await asyncio.get_event_loop().run_in_executor(None, self._resolve, url)
-         return await asyncio.get_event_loop().run_in_executor(None, self._fs_resolve, url)
 
     def _fs_get_claim_by_hash(self, claim_hash):
         claim = self.claim_to_txo.get(claim_hash)

lbry/wallet/server/session.py

@@ -1019,7 +1019,7 @@ class LBRYElectrumX(SessionBase):
             self.session_mgr.pending_query_metric.inc()
             if 'channel' in kwargs:
                 channel_url = kwargs.pop('channel')
-                _, channel_claim, _ = await self.db.fs_resolve(channel_url)
+                _, channel_claim, _, _ = await self.db.resolve(channel_url)
                 if not channel_claim or isinstance(channel_claim, (ResolveCensoredError, LookupError, ValueError)):
                     return Outputs.to_base64([], [], 0, None, None)
                 kwargs['channel_id'] = channel_claim.claim_hash.hex()
@@ -1036,12 +1036,11 @@ class LBRYElectrumX(SessionBase):
             self.session_mgr.pending_query_metric.dec()
             self.session_mgr.executor_time_metric.observe(time.perf_counter() - start)
 
-    async def claimtrie_resolve(self, *urls):
+    def _claimtrie_resolve(self, *urls):
         rows, extra = [], []
         for url in urls:
             self.session_mgr.urls_to_resolve_count_metric.inc()
-            stream, channel, repost = await self.db.fs_resolve(url)
+            stream, channel, repost, reposted_channel = self.db._resolve(url)
-            self.session_mgr.resolved_url_count_metric.inc()
             if isinstance(channel, ResolveCensoredError):
                 rows.append(channel)
                 extra.append(channel.censor_row)
@@ -1053,6 +1052,8 @@ class LBRYElectrumX(SessionBase):
                 # print("resolved channel", channel.name.decode())
                 if repost:
                     extra.append(repost)
+                if reposted_channel:
+                    extra.append(reposted_channel)
             elif stream:
                 # print("resolved stream", stream.name.decode())
                 rows.append(stream)
@@ -1061,9 +1062,16 @@ class LBRYElectrumX(SessionBase):
                     extra.append(channel)
                 if repost:
                     extra.append(repost)
+                if reposted_channel:
+                    extra.append(reposted_channel)
         # print("claimtrie resolve %i rows %i extrat" % (len(rows), len(extra)))
         return Outputs.to_base64(rows, extra, 0, None, None)
 
+    async def claimtrie_resolve(self, *urls):
+        result = await self.loop.run_in_executor(None, self._claimtrie_resolve, *urls)
+        self.session_mgr.resolved_url_count_metric.inc(len(urls))
+        return result
+
     async def get_server_height(self):
         return self.bp.height
 

tests/integration/takeovers/test_resolve_command.py

@@ -35,7 +35,7 @@ class BaseResolveTestCase(CommandTestCase):
 
     async def assertNoClaimForName(self, name: str):
         lbrycrd_winning = json.loads(await self.blockchain._cli_cmnd('getvalueforname', name))
-        stream, channel, _ = await self.conductor.spv_node.server.bp.db.fs_resolve(name)
+        stream, channel, _, _ = await self.conductor.spv_node.server.bp.db.resolve(name)
         self.assertNotIn('claimId', lbrycrd_winning)
         if stream is not None:
             self.assertIsInstance(stream, LookupError)
@@ -55,7 +55,7 @@ class BaseResolveTestCase(CommandTestCase):
 
     async def assertMatchWinningClaim(self, name):
         expected = json.loads(await self.blockchain._cli_cmnd('getvalueforname', name))
-        stream, channel, _ = await self.conductor.spv_node.server.bp.db.fs_resolve(name)
+        stream, channel, _, _ = await self.conductor.spv_node.server.bp.db.resolve(name)
         claim = stream if stream else channel
         claim_from_es = await self.conductor.spv_node.server.bp.db.search_index.search(
             claim_id=claim.claim_hash.hex()
@@ -983,7 +983,7 @@ class ResolveClaimTakeovers(BaseResolveTestCase):
         await self.generate(32 * 10 - 1)
         self.assertEqual(1120, self.conductor.spv_node.server.bp.db.db_height)
         claim_id_B = (await self.stream_create(name, '20.0', allow_duplicate_name=True))['outputs'][0]['claim_id']
-        claim_B, _, _ = await self.conductor.spv_node.server.bp.db.fs_resolve(f"{name}:{claim_id_B}")
+        claim_B, _, _, _ = await self.conductor.spv_node.server.bp.db.resolve(f"{name}:{claim_id_B}")
         self.assertEqual(1121, self.conductor.spv_node.server.bp.db.db_height)
         self.assertEqual(1131, claim_B.activation_height)
         await self.assertMatchClaimIsWinning(name, claim_id_A)
@@ -1000,7 +1000,7 @@ class ResolveClaimTakeovers(BaseResolveTestCase):
         # State: A(10+14) is controlling, B(20) is accepted, C(50) is accepted.
         claim_id_C = (await self.stream_create(name, '50.0', allow_duplicate_name=True))['outputs'][0]['claim_id']
         self.assertEqual(1123, self.conductor.spv_node.server.bp.db.db_height)
-        claim_C, _, _ = await self.conductor.spv_node.server.bp.db.fs_resolve(f"{name}:{claim_id_C}")
+        claim_C, _, _, _ = await self.conductor.spv_node.server.bp.db.resolve(f"{name}:{claim_id_C}")
         self.assertEqual(1133, claim_C.activation_height)
         await self.assertMatchClaimIsWinning(name, claim_id_A)
 
@@ -1018,7 +1018,7 @@ class ResolveClaimTakeovers(BaseResolveTestCase):
         # State: A(10+14) is controlling, B(20) is active, C(50) is accepted, D(300) is accepted.
         claim_id_D = (await self.stream_create(name, '300.0', allow_duplicate_name=True))['outputs'][0]['claim_id']
         self.assertEqual(1132, self.conductor.spv_node.server.bp.db.db_height)
-        claim_D, _, _ = await self.conductor.spv_node.server.bp.db.fs_resolve(f"{name}:{claim_id_D}")
+        claim_D, _, _, _ = await self.conductor.spv_node.server.bp.db.resolve(f"{name}:{claim_id_D}")
         self.assertEqual(False, claim_D.is_controlling)
         self.assertEqual(801, claim_D.last_takeover_height)
         self.assertEqual(1142, claim_D.activation_height)
@@ -1028,7 +1028,7 @@ class ResolveClaimTakeovers(BaseResolveTestCase):
         # State: A(10+14) is active, B(20) is active, C(50) is active, D(300) is controlling
         await self.generate(1)
         self.assertEqual(1133, self.conductor.spv_node.server.bp.db.db_height)
-        claim_D, _, _ = await self.conductor.spv_node.server.bp.db.fs_resolve(f"{name}:{claim_id_D}")
+        claim_D, _, _, _ = await self.conductor.spv_node.server.bp.db.resolve(f"{name}:{claim_id_D}")
         self.assertEqual(True, claim_D.is_controlling)
         self.assertEqual(1133, claim_D.last_takeover_height)
         self.assertEqual(1133, claim_D.activation_height)