1 files changed, 39 insertions, 0 deletions
diff --git a/chain/vm_env.go b/chain/vm_env.go
new file mode 100644
index 000000000..d42351713
--- /dev/null
+++ b/chain/vm_env.go
@@ -0,0 +1,39 @@
+package chain
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/ethstate"
+	"github.com/ethereum/go-ethereum/vm"
+)
+
+type VMEnv struct {
+	state *ethstate.State
+	block *Block
+	tx    *Transaction
+}
+
+func NewEnv(state *ethstate.State, tx *Transaction, block *Block) *VMEnv {
+	return &VMEnv{
+		state: state,
+		block: block,
+		tx:    tx,
+	}
+}
+
+func (self *VMEnv) Origin() []byte         { return self.tx.Sender() }
+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) Value() *big.Int        { return self.tx.Value }
+func (self *VMEnv) State() *ethstate.State { return self.state }
+func (self *VMEnv) GasLimit() *big.Int     { return self.block.GasLimit }
+func (self *VMEnv) AddLog(log ethstate.Log) {
+	self.state.AddLog(log)
+}
+func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
+	return vm.Transfer(from, to, amount)
+}