62 lines
2.1 KiB
Go
62 lines
2.1 KiB
Go
package core
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/state"
|
|
"github.com/ethereum/go-ethereum/vm"
|
|
)
|
|
|
|
type VMEnv struct {
|
|
state *state.StateDB
|
|
block *types.Block
|
|
msg Message
|
|
depth int
|
|
}
|
|
|
|
func NewEnv(state *state.StateDB, msg Message, block *types.Block) *VMEnv {
|
|
return &VMEnv{
|
|
state: state,
|
|
block: block,
|
|
msg: msg,
|
|
}
|
|
}
|
|
|
|
func (self *VMEnv) Origin() []byte { return self.msg.From() }
|
|
func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number() }
|
|
func (self *VMEnv) PrevHash() []byte { return self.block.ParentHash() }
|
|
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) GasLimit() *big.Int { return self.block.GasLimit() }
|
|
func (self *VMEnv) Value() *big.Int { return self.msg.Value() }
|
|
func (self *VMEnv) State() *state.StateDB { return self.state }
|
|
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 {
|
|
return NewExecution(self, 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)
|
|
}
|