protocol.sendMessage: allow destination as (NodeId, Address)

eth/p2p/discoveryv5/protocol.nim

@@ -379,6 +379,18 @@ proc waitNodes(d: Protocol, fromNode: Node, reqId: RequestId):
     discovery_message_requests_outgoing.inc(labelValues = ["no_response"])
     return err("Nodes message not received in time")
 
+proc sendMessage*[T: SomeMessage](d: Protocol, toId: NodeId, toAddr: Address, m: T):
+    RequestId =
+  let
+    reqId = RequestId.init(d.rng[])
+    message = encodeMessage(m, reqId)
+
+  trace "Send message packet", dstId = toId, toAddr, kind = messageKind(T)
+  discovery_message_requests_outgoing.inc()
+
+  d.transport.sendMessage(toId, toAddr, message)
+  return reqId
+
 proc sendMessage*[T: SomeMessage](d: Protocol, toNode: Node, m: T):
     RequestId =
   doAssert(toNode.address.isSome())