Update error message, remove unecessary dh key broadcast

Author: anhthii

pkg/mpc/node.go

@@ -83,11 +83,7 @@ func (p *Node) CreateKeyGenSession(
 	resultQueue messaging.MessageQueue,
 ) (KeyGenSession, error) {
 	if !p.peerRegistry.ArePeersReady() {
-		return nil, fmt.Errorf(
-			"Not enough peers to create gen session! Expected %d, got %d",
-			p.peerRegistry.GetTotalPeersCount(),
-			p.peerRegistry.GetReadyPeersCount(),
-		)
+		return nil, errors.New("All nodes are not ready!")
 	}
 
 	keyInfo, _ := p.getKeyInfo(sessionType, walletID)
@@ -413,7 +409,6 @@ func (p *Node) Close() {
 	}
 }
 
-
 func (p *Node) generatePreParams() []*keygen.LocalPreParams {
 	start := time.Now()
 	// Try to load from kvstore

pkg/mpc/registry.go

@@ -126,8 +126,6 @@ func (r *registry) registerReadyPairs(peerIDs []string) {
 		r.mu.Lock()
 		r.ready = true
 		r.mu.Unlock()
-		// Start ECDH exchange when all peers are connected
-		go r.triggerECDHExchange()
 		logger.Info("All peers are ready including ECDH exchange completion")
 	}
 }