update

proxy/stratum.go

@@ -221,10 +221,12 @@ func (cs *Session) handleTCPMessage(s *ProxyServer, req *StratumReq) error {
 
 		case "mining.extranonce.subscribe":
 			var params []string
+			if req.Params != nil {
 				err := json.Unmarshal(req.Params, &params)
 				if err != nil {
 					return errors.New("invalid params")
 				}
+			}
 			if len(params) == 0 {
 				if err := cs.sendStratumResult(req.Id, true); err != nil {
 					return err
@@ -264,6 +266,7 @@ func (cs *Session) handleTCPMessage(s *ProxyServer, req *StratumReq) error {
 				id = splitData[1]
 			}
 
+			cs.worker = id
 			// check Extranonce subscription.
 			extranonce := cs.Extranonce
 			if !cs.ExtranonceSub {