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-rw-r--r--cmd/utils/vm_env.go41
1 files changed, 41 insertions, 0 deletions
diff --git a/cmd/utils/vm_env.go b/cmd/utils/vm_env.go
new file mode 100644
index 000000000..0a7b589ee
--- /dev/null
+++ b/cmd/utils/vm_env.go
@@ -0,0 +1,41 @@
+package utils
+
+import (
+ "math/big"
+
+ "github.com/ethereum/go-ethereum/chain"
+ "github.com/ethereum/go-ethereum/ethstate"
+ "github.com/ethereum/go-ethereum/vm"
+)
+
+type VMEnv struct {
+ state *ethstate.State
+ block *chain.Block
+
+ transactor []byte
+ value *big.Int
+}
+
+func NewEnv(state *ethstate.State, block *chain.Block, transactor []byte, value *big.Int) *VMEnv {
+ return &VMEnv{
+ state: state,
+ block: block,
+ transactor: transactor,
+ value: value,
+ }
+}
+
+func (self *VMEnv) Origin() []byte { return self.transactor }
+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.value }
+func (self *VMEnv) State() *ethstate.State { return self.state }
+func (self *VMEnv) GasLimit() *big.Int { return self.block.GasLimit }
+func (self *VMEnv) AddLog(ethstate.Log) {}
+func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
+ return vm.Transfer(from, to, amount)
+}