package chain import ( "math/big" "github.com/ethereum/go-ethereum/state" "github.com/ethereum/go-ethereum/vm" ) type VMEnv struct { state *state.State block *Block tx *Transaction } func NewEnv(state *state.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() *state.State { return self.state } func (self *VMEnv) GasLimit() *big.Int { return self.block.GasLimit } func (self *VMEnv) AddLog(log *state.Log) { self.state.AddLog(log) } func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error { return vm.Transfer(from, to, amount) }