Merge pull request #7471 from hieblmi/peer-alias-remove-error

rpc: assign peer alias lookup error string

docs/release-notes/release-notes-0.16.0.md

@@ -149,6 +149,10 @@ of order is also [fixed](https://github.com/lightningnetwork/lnd/pull/7264).
   parameter is enabled by default but can be disabled with a new flag
   `--skip_peer_alias_lookup`.
 
+* Assign potential peer alias lookup errors in the [`ListChannels` and
+  `ForwardingHistory`rpcs](https://github.com/lightningnetwork/lnd/pull/7471) to
+  the rpc response.
+
 ## Wallet
 
 * [Allows Taproot public keys and tap scripts to be imported as watch-only

rpcserver.go

@@ -4176,8 +4176,8 @@ func createRPCOpenChannel(r *rpcServer, dbChannel *channeldb.OpenChannel,
 	if peerAliasLookup {
 		peerAlias, err := r.server.graphDB.LookupAlias(nodePub)
 		if err != nil {
-			return nil, fmt.Errorf("unable to lookup peer "+
+			peerAlias = fmt.Sprintf("unable to lookup "+
-				"alias: %w", err)
+				"peer alias: %v", err)
 		}
 		channel.PeerAlias = peerAlias
 	}
@@ -7018,16 +7018,15 @@ func (r *rpcServer) ForwardingHistory(ctx context.Context,
 		if req.PeerAliasLookup {
 			aliasIn, err := getRemoteAlias(event.IncomingChanID)
 			if err != nil {
-				return nil, fmt.Errorf("unable to lookup peer "+
+				aliasIn = fmt.Sprintf("unable to lookup peer "+
+					"alias: %v", err)
+			}
+			aliasOut, err := getRemoteAlias(event.OutgoingChanID)
+			if err != nil {
+				aliasOut = fmt.Sprintf("unable to lookup peer"+
 					"alias: %v", err)
 			}
 			resp.ForwardingEvents[i].PeerAliasIn = aliasIn
-
-			aliasOut, err := getRemoteAlias(event.OutgoingChanID)
-			if err != nil {
-				return nil, fmt.Errorf("unable to lookup peer "+
-					"alias: %v", err)
-			}
 			resp.ForwardingEvents[i].PeerAliasOut = aliasOut
 		}
 	}