Official Go implementation of the Ethereum protocol
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go-ethereum/chain/vm_env.go

40 lines
1.2 KiB

package chain
import (
"math/big"
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"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
)
type VMEnv struct {
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state *state.State
block *Block
tx *Transaction
}
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func NewEnv(state *state.State, tx *Transaction, block *Block) *VMEnv {
return &VMEnv{
state: state,
block: block,
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tx: tx,
}
}
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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)
}