miner, rpc: added submit hashrate for remote agents

rpc/api/eth.go

@@ -92,6 +92,7 @@ var (
 		"eth_hashrate":                            (*ethApi).Hashrate,
 		"eth_getWork":                             (*ethApi).GetWork,
 		"eth_submitWork":                          (*ethApi).SubmitWork,
+		"eth_submitHashrate":                      (*ethApi).SubmitHashrate,
 		"eth_resend":                              (*ethApi).Resend,
 		"eth_pendingTransactions":                 (*ethApi).PendingTransactions,
 		"eth_getTransactionReceipt":               (*ethApi).GetTransactionReceipt,
@@ -573,6 +574,15 @@ func (self *ethApi) SubmitWork(req *shared.Request) (interface{}, error) {
 	return self.xeth.RemoteMining().SubmitWork(args.Nonce, common.HexToHash(args.Digest), common.HexToHash(args.Header)), nil
 }
 
+func (self *ethApi) SubmitHashrate(req *shared.Request) (interface{}, error) {
+	args := new(SubmitHashRateArgs)
+	if err := self.codec.Decode(req.Params, &args); err != nil {
+		return nil, shared.NewDecodeParamError(err.Error())
+	}
+	self.xeth.RemoteMining().SubmitHashrate(common.HexToHash(args.Id), args.Rate)
+	return nil, nil
+}
+
 func (self *ethApi) Resend(req *shared.Request) (interface{}, error) {
 	args := new(ResendArgs)
 	if err := self.codec.Decode(req.Params, &args); err != nil {

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
 }