plugeth/core/vm_env.go

73 lines
2.3 KiB
Go
Raw Normal View History

2014-12-04 09:28:02 +00:00
package core
2014-07-24 10:04:15 +00:00
import (
"math/big"
2014-08-11 14:23:38 +00:00
2014-12-04 09:28:02 +00:00
"github.com/ethereum/go-ethereum/core/types"
2014-10-31 13:43:14 +00:00
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
2014-07-24 10:04:15 +00:00
)
type VMEnv struct {
2014-12-04 10:40:20 +00:00
state *state.StateDB
block *types.Block
msg Message
depth int
chain *ChainManager
2015-02-01 14:30:29 +00:00
typ vm.Type
2014-07-24 10:04:15 +00:00
}
func NewEnv(state *state.StateDB, chain *ChainManager, msg Message, block *types.Block) *VMEnv {
2014-07-24 10:04:15 +00:00
return &VMEnv{
chain: chain,
2014-07-24 10:04:15 +00:00
state: state,
block: block,
msg: msg,
2015-02-01 14:30:29 +00:00
typ: vm.StdVmTy,
2014-07-24 10:04:15 +00:00
}
}
func (self *VMEnv) Origin() []byte { return self.msg.From() }
func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number() }
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) GasLimit() *big.Int { return self.block.GasLimit() }
func (self *VMEnv) Value() *big.Int { return self.msg.Value() }
2014-12-04 10:40:20 +00:00
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 }
2015-02-01 14:30:29 +00:00
func (self *VMEnv) VmType() vm.Type { return self.typ }
func (self *VMEnv) SetVmType(t vm.Type) { self.typ = t }
func (self *VMEnv) GetHash(n uint64) []byte {
if block := self.chain.GetBlockByNumber(n); block != nil {
return block.Hash()
}
return nil
}
2014-12-04 11:35:23 +00:00
func (self *VMEnv) AddLog(log state.Log) {
self.state.AddLog(log)
2014-10-27 10:44:16 +00:00
}
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 {
2014-12-18 23:18:52 +00:00
return NewExecution(self, addr, data, gas, price, value)
}
2015-01-02 15:14:12 +00:00
func (self *VMEnv) Call(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
exe := self.vm(addr, data, gas, price, value)
return exe.Call(addr, me)
}
2015-01-02 15:14:12 +00:00
func (self *VMEnv) CallCode(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
exe := self.vm(me.Address(), data, gas, price, value)
return exe.Call(addr, me)
}
2015-01-02 15:14:12 +00:00
func (self *VMEnv) Create(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) {
exe := self.vm(addr, data, gas, price, value)
return exe.Create(me)
}