lnrpc: peer_alias_in and peer_alias_out fields for ForwardingEvent

lnrpc/lightning.proto

@@ -4049,6 +4049,10 @@ message ForwardingHistoryRequest {
 
     // The max number of events to return in the response to this query.
     uint32 num_max_events = 4;
+
+    // Informs the server if the peer alias lookup per forwarding event
+    // should be skipped in order to improve performance.
+    bool skip_peer_alias_lookup = 5;
 }
 message ForwardingEvent {
     // Timestamp is the time (unix epoch offset) that this circuit was
@@ -4088,6 +4092,12 @@ message ForwardingEvent {
     // circuit was completed.
     uint64 timestamp_ns = 11;
 
+    // The peer alias of the incoming channel.
+    string peer_alias_in = 12;
+
+    // The peer alias of the outgoing channel.
+    string peer_alias_out = 13;
+
     // TODO(roasbeef): add settlement latency?
     //  * use FPE on the chan id?
     //  * also list failures?