Merge branch 'develop' of https://github.com/kobigurk/go-ethereum into kobigurk-develop

eth/backend.go

@@ -343,6 +343,7 @@ func (s *Ethereum) Etherbase() (eb common.Address, err error) {
 
 func (s *Ethereum) StopMining()         { s.miner.Stop() }
 func (s *Ethereum) IsMining() bool      { return s.miner.Mining() }
+func (s *Ethereum) HashRate() int64     { return s.miner.HashRate() }
 func (s *Ethereum) Miner() *miner.Miner { return s.miner }
 
 // func (s *Ethereum) Logger() logger.LogSystem             { return s.logger }

rpc/api.go

@@ -465,6 +465,8 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 		*reply = api.xeth().Whisper().Messages(args.Id)
+	case "ext_hashrate":
+		*reply = newHexNum(api.xeth().HashRate())
 
 	// case "eth_register":
 	// 	// Placeholder for actual type

xeth/xeth.go

@@ -280,6 +280,10 @@ func (self *XEth) IsMining() bool {
 	return self.backend.IsMining()
 }
 
+func (self *XEth) HashRate() int64 {
+	return self.backend.HashRate()
+}
+
 func (self *XEth) EthVersion() string {
 	return fmt.Sprintf("%d", self.backend.EthVersion())
 }