1 files changed, 22 insertions, 11 deletions
diff --git a/core/vm_env.go b/core/vm_env.go
index ad63ecf9c..c7491bcdc 100644
--- a/core/vm_env.go
+++ b/core/vm_env.go
@@ -13,28 +13,39 @@ type VMEnv struct {
 	block *types.Block
 	msg   Message
 	depth int
+	chain *ChainManager
+	typ   vm.Type
 }
 
-func NewEnv(state *state.StateDB, msg Message, block *types.Block) *VMEnv {
+func NewEnv(state *state.StateDB, chain *ChainManager, msg Message, block *types.Block) *VMEnv {
 	return &VMEnv{
+		chain: chain,
 		state: state,
 		block: block,
 		msg:   msg,
+		typ:   vm.StdVmTy,
 	}
 }
 
 func (self *VMEnv) Origin() []byte        { return self.msg.From() }
-func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number }
-func (self *VMEnv) PrevHash() []byte      { return self.block.PrevHash }
-func (self *VMEnv) Coinbase() []byte      { return self.block.Coinbase }
-func (self *VMEnv) Time() int64           { return self.block.Time }
-func (self *VMEnv) Difficulty() *big.Int  { return self.block.Difficulty }
-func (self *VMEnv) BlockHash() []byte     { return self.block.Hash() }
+func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number() }
+func (self *VMEnv) Coinbase() []byte      { return self.block.Coinbase() }
+func (self *VMEnv) Time() int64           { return self.block.Time() }
+func (self *VMEnv) Difficulty() *big.Int  { return self.block.Difficulty() }
+func (self *VMEnv) GasLimit() *big.Int    { return self.block.GasLimit() }
 func (self *VMEnv) Value() *big.Int       { return self.msg.Value() }
 func (self *VMEnv) State() *state.StateDB { return self.state }
-func (self *VMEnv) GasLimit() *big.Int    { return self.block.GasLimit }
 func (self *VMEnv) Depth() int            { return self.depth }
 func (self *VMEnv) SetDepth(i int)        { self.depth = i }
+func (self *VMEnv) VmType() vm.Type       { return self.typ }
+func (self *VMEnv) SetVmType(t vm.Type)   { self.typ = t }
+func (self *VMEnv) GetHash(n uint64) []byte {
+	if block := self.chain.GetBlockByNumber(n); block != nil {
+		return block.Hash()
+	}
+
+	return nil
+}
 func (self *VMEnv) AddLog(log state.Log) {
 	self.state.AddLog(log)
 }
@@ -46,16 +57,16 @@ func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *Execution
 	return NewExecution(self, addr, data, gas, price, value)
 }
 
-func (self *VMEnv) Call(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
+func (self *VMEnv) Call(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
 	exe := self.vm(addr, data, gas, price, value)
 	return exe.Call(addr, me)
 }
-func (self *VMEnv) CallCode(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
+func (self *VMEnv) CallCode(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
 	exe := self.vm(me.Address(), data, gas, price, value)
 	return exe.Call(addr, me)
 }
 
-func (self *VMEnv) Create(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) {
+func (self *VMEnv) Create(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) {
 	exe := self.vm(addr, data, gas, price, value)
 	return exe.Create(me)
 }