Moved utils to cmd

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)
+}