mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.1 KiB
63 lines
2.1 KiB
package chain
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/chain/types"
|
|
"github.com/ethereum/go-ethereum/state"
|
|
"github.com/ethereum/go-ethereum/vm"
|
|
)
|
|
|
|
type VMEnv struct {
|
|
state *state.State
|
|
block *types.Block
|
|
tx *types.Transaction
|
|
depth int
|
|
}
|
|
|
|
func NewEnv(state *state.State, tx *types.Transaction, block *types.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) Depth() int { return self.depth }
|
|
func (self *VMEnv) SetDepth(i int) { self.depth = i }
|
|
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)
|
|
}
|
|
|
|
func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *Execution {
|
|
evm := vm.New(self, vm.DebugVmTy)
|
|
|
|
return NewExecution(evm, addr, data, gas, price, value)
|
|
}
|
|
|
|
func (self *VMEnv) Call(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
|
|
exe := self.vm(addr, data, gas, price, value)
|
|
return exe.Call(addr, me)
|
|
}
|
|
func (self *VMEnv) CallCode(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
|
|
exe := self.vm(me.Address(), data, gas, price, value)
|
|
return exe.Call(addr, me)
|
|
}
|
|
|
|
func (self *VMEnv) Create(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) {
|
|
exe := self.vm(addr, data, gas, price, value)
|
|
return exe.Create(me)
|
|
}
|
|
|