Fix txgen protocol not support problem

cmd/client/txgen/main.go

@@ -95,17 +95,16 @@ func main() {
 
 	// Nodes containing blockchain data to mirror the shards' data in the network
 	nodes := []*node.Node{}
+	_, pubKey = utils.GenKey(clientPeer.IP, clientPeer.Port)
+	clientPeer.PubKey = pubKey
+	host := p2pimpl.NewHost(*clientPeer)
 	for shardID := range shardIDLeaderMap {
-		_, pubKey := utils.GenKey(clientPeer.IP, clientPeer.Port)
-		clientPeer.PubKey = pubKey
-		host := p2pimpl.NewHost(*clientPeer)
 		node := node.New(host, &consensus.Consensus{ShardID: shardID}, nil)
 		// Assign many fake addresses so we have enough address to play with at first
 		nodes = append(nodes, node)
 	}
 
 	// Client/txgenerator server node setup
-	host := p2pimpl.NewHost(*clientPeer)
 	consensusObj := consensus.New(host, "0", nil, p2p.Peer{})
 	clientNode := node.New(host, consensusObj, nil)
 	clientNode.Client = client.NewClient(clientNode.GetHost(), &shardIDLeaderMap)

test/configs/local_config1.txt

@@ -9,4 +9,4 @@
 127.0.0.1 9008 validator 0
 127.0.0.1 9009 validator 0
 127.0.0.1 9010 validator 0
-127.0.0.1 19999 client 0
+127.0.0.1 9999 client 0