merge upstream

1 files changed, 33 insertions, 0 deletions

diff --git a/utils/vm_env.go b/utils/vm_env.go
new file mode 100644
index 000000000..2c40dd7b8
--- /dev/null
+++ b/utils/vm_env.go
@@ -0,0 +1,33 @@
+package utils
+
+import (
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethstate"
+	"math/big"
+)
+
+type VMEnv struct {
+	state *ethstate.State
+	block *ethchain.Block
+
+	transactor []byte
+	value      *big.Int
+}
+
+func NewEnv(state *ethstate.State, block *ethchain.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) Value() *big.Int        { return self.value }
+func (self *VMEnv) State() *ethstate.State { return self.state }