states moved to chain

core/chain_manager.go

@@ -8,6 +8,7 @@ import (
 	"github.com/ethereum/go-ethereum/ethutil"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/logger"
+	"github.com/ethereum/go-ethereum/state"
 )
 
 var chainlogger = logger.NewLogger("CHAIN")
@@ -55,6 +56,8 @@ type ChainManager struct {
 
 	CurrentBlock  *types.Block
 	LastBlockHash []byte
+
+	transState *state.StateDB
 }
 
 func NewChainManager(mux *event.TypeMux) *ChainManager {
@@ -64,6 +67,8 @@ func NewChainManager(mux *event.TypeMux) *ChainManager {
 
 	bc.setLastBlock()
 
+	bc.transState = bc.State().Copy()
+
 	return bc
 }
 
@@ -71,6 +76,14 @@ func (self *ChainManager) SetProcessor(proc types.BlockProcessor) {
 	self.processor = proc
 }
 
+func (self *ChainManager) State() *state.StateDB {
+	return self.CurrentBlock.State()
+}
+
+func (self *ChainManager) TransState() *state.StateDB {
+	return self.transState
+}
+
 func (bc *ChainManager) setLastBlock() {
 	data, _ := ethutil.Config.Db.Get([]byte("LastBlock"))
 	if len(data) != 0 {