miner, rpc: added submit hashrate for remote agents

rpc/api/eth_args.go

@@ -169,6 +169,37 @@ func (args *GetTxCountArgs) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
+type SubmitHashRateArgs struct {
+	Id   string
+	Rate uint64
+}
+
+func (args *SubmitHashRateArgs) UnmarshalJSON(b []byte) (err error) {
+	var obj []interface{}
+	if err := json.Unmarshal(b, &obj); err != nil {
+		return shared.NewDecodeParamError(err.Error())
+	}
+
+	if len(obj) < 2 {
+		return shared.NewInsufficientParamsError(len(obj), 2)
+	}
+
+	arg0, ok := obj[0].(string)
+	if !ok {
+		return shared.NewInvalidTypeError("hash", "not a string")
+	}
+	args.Id = arg0
+
+	arg1, ok := obj[1].(string)
+	if !ok {
+		return shared.NewInvalidTypeError("rate", "not a string")
+	}
+
+	args.Rate = common.String2Big(arg1).Uint64()
+
+	return nil
+}
+
 type HashArgs struct {
 	Hash string
 }