update signature data hash

server/workerManager.go

@@ -619,8 +619,10 @@ func (wm *WorkerManager) handleWorkerMsg(worker *Worker) {
 				// todo: verify signature
 				{
 					sig := msg.RegisteMessage.DeviceSignature
-					data := utils.CombineBytes([]byte(msg.RegisteMessage.MinerPubkey), []byte(msg.RegisteMessage.BenefitAddress),
-						[]byte(msg.RegisteMessage.DeviceIp), big.NewInt(int64(msg.RegisteMessage.Timestamp)).Bytes())
+					data := utils.CombineBytes(bytes.NewBufferString(msg.RegisteMessage.DeviceIp).Bytes(),
+						bytes.NewBufferString(msg.RegisteMessage.MinerPubkey).Bytes(),
+						bytes.NewBufferString(msg.RegisteMessage.BenefitAddress).Bytes(),
+						big.NewInt(int64(msg.RegisteMessage.Timestamp)).Bytes())
 
 					if !utils.VerifySignature(data, sig, utils.FromHex(msg.RegisteMessage.MinerPubkey)) {
 						l.WithFields(log.Fields{