Merge branch 'master' into hotfix/0.8.5-2

2 files changed, 25 insertions, 10 deletions

diff --git a/xeth/world.go b/xeth/state.go
index 9cbdd9461..e2562613c 100644
--- a/xeth/world.go
+++ b/xeth/state.go
@@ -3,19 +3,20 @@ package xeth
 import "github.com/ethereum/go-ethereum/state"
 
 type State struct {
-	xeth *XEth
+	xeth  *XEth
+	state *state.StateDB
 }
 
-func NewState(xeth *XEth) *State {
-	return &State{xeth}
+func NewState(xeth *XEth, statedb *state.StateDB) *State {
+	return &State{xeth, statedb}
 }
 
 func (self *State) State() *state.StateDB {
-	return self.xeth.chainManager.TransState()
+	return self.state
 }
 
 func (self *State) Get(addr string) *Object {
-	return &Object{self.State().GetStateObject(fromHex(addr))}
+	return &Object{self.state.GetStateObject(fromHex(addr))}
 }
 
 func (self *State) SafeGet(addr string) *Object {
@@ -23,7 +24,7 @@ func (self *State) SafeGet(addr string) *Object {
 }
 
 func (self *State) safeGet(addr string) *state.StateObject {
-	object := self.State().GetStateObject(fromHex(addr))
+	object := self.state.GetStateObject(fromHex(addr))
 	if object == nil {
 		object = state.NewStateObject(fromHex(addr), self.xeth.eth.Db())
 	}
diff --git a/xeth/xeth.go b/xeth/xeth.go
index 2985ce982..d4c188fec 100644
--- a/xeth/xeth.go
+++ b/xeth/xeth.go
@@ -17,6 +17,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/miner"
 	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/ethereum/go-ethereum/state"
 	"github.com/ethereum/go-ethereum/whisper"
 )
 
@@ -54,13 +55,26 @@ func New(eth Backend) *XEth {
 		whisper:        NewWhisper(eth.Whisper()),
 		miner:          eth.Miner(),
 	}
-	xeth.state = NewState(xeth)
+	xeth.state = NewState(xeth, xeth.chainManager.TransState())
 
 	return xeth
 }
 
-func (self *XEth) Backend() Backend    { return self.eth }
-func (self *XEth) State() *State       { return self.state }
+func (self *XEth) Backend() Backend { return self.eth }
+func (self *XEth) UseState(statedb *state.StateDB) *XEth {
+	xeth := &XEth{
+		eth:            self.eth,
+		blockProcessor: self.blockProcessor,
+		chainManager:   self.chainManager,
+		whisper:        self.whisper,
+		miner:          self.miner,
+	}
+
+	xeth.state = NewState(xeth, statedb)
+	return xeth
+}
+func (self *XEth) State() *State { return self.state }
+
 func (self *XEth) Whisper() *Whisper   { return self.whisper }
 func (self *XEth) Miner() *miner.Miner { return self.miner }
 
@@ -229,7 +243,7 @@ func (self *XEth) Call(toStr, valueStr, gasStr, gasPriceStr, dataStr string) (st
 	}
 
 	var (
-		statedb = self.chainManager.TransState()
+		statedb = self.State().State() //self.chainManager.TransState()
 		key     = self.eth.KeyManager().KeyPair()
 		from    = statedb.GetOrNewStateObject(key.Address())
 		block   = self.chainManager.CurrentBlock()