1 files changed, 42 insertions, 0 deletions
diff --git a/rpc/api/miner_args.go b/rpc/api/miner_args.go
index 7b0560c16..15741b092 100644
--- a/rpc/api/miner_args.go
+++ b/rpc/api/miner_args.go
@@ -1,3 +1,19 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.
+
 package api
 
 import (
@@ -5,6 +21,7 @@ import (
 
 	"math/big"
 
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
 
@@ -76,6 +93,31 @@ func (args *GasPriceArgs) UnmarshalJSON(b []byte) (err error) {
 	return shared.NewInvalidTypeError("Price", "not a string")
 }
 
+type SetEtherbaseArgs struct {
+	Etherbase common.Address
+}
+
+func (args *SetEtherbaseArgs) UnmarshalJSON(b []byte) (err error) {
+	var obj []interface{}
+	if err := json.Unmarshal(b, &obj); err != nil {
+		return shared.NewDecodeParamError(err.Error())
+	}
+
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
+	}
+
+	if addr, ok := obj[0].(string); ok {
+		args.Etherbase = common.HexToAddress(addr)
+		if (args.Etherbase == common.Address{}) {
+			return shared.NewInvalidTypeError("Etherbase", "not a valid address")
+		}
+		return nil
+	}
+
+	return shared.NewInvalidTypeError("Etherbase", "not a string")
+}
+
 type MakeDAGArgs struct {
 	BlockNumber int64
 }