funding: properly display our 1-byte error code messages

fundingmanager.go

@@ -2220,7 +2220,7 @@ func (f *fundingManager) handleErrorMsg(fmsg *fundingErrorMsg) {
 
 	// If this isn't a simple error code, then we'll display the entire
 	// thing.
-	if len(protocolErr.Data) > 0 {
+	if len(protocolErr.Data) > 1 {
 		resCtx.err <- grpc.Errorf(
 			lnErr.ToGrpcCode(), string(protocolErr.Data),
 		)

peer.go

@@ -596,8 +596,6 @@ func newChanMsgStream(p *peer, cid lnwire.ChannelID) *msgStream {
 				// to the other side, they immediately send a
 				// channel update message, but we haven't yet
 				// sent the channel to the channelManager.
-				peerLog.Infof("waiting on chan open to deliver: %v",
-					spew.Sdump(msg))
 				p.server.fundingMgr.waitUntilChannelOpen(cid)
 			}