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Changed prev_hash to block_hash, state transition now uses vm env

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* PREVHASH => BLOCKHASH( N )
* State transition object uses VMEnv as it's query interface
* Updated vm.Enviroment has GetHash( n ) for BLOCKHASH instruction
* Added GetHash to xeth, core, utils & test environments
This commit is contained in:
obscuren
2015-01-03 17:18:43 +01:00
parent 16f417f5af
commit ca1b2a1a91
13 changed files with 91 additions and 57 deletions
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7
tests/helper/vm.go
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@ -55,9 +55,11 @@ func (self *Env) PrevHash() []byte { return self.parent }
func (self *Env) Coinbase() []byte { return self.coinbase }
func (self *Env) Time() int64 { return self.time }
func (self *Env) Difficulty() *big.Int { return self.difficulty }
func (self *Env) BlockHash() []byte { return nil }
func (self *Env) State() *state.StateDB { return self.state }
func (self *Env) GasLimit() *big.Int { return self.gasLimit }
func (self *Env) GetHash(n uint64) []byte {
return nil
}
func (self *Env) AddLog(log state.Log) {
self.logs = append(self.logs, log)
}
@ -126,10 +128,9 @@ func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.
message := NewMessage(keyPair.Address(), to, data, value, gas, price)
Log.DebugDetailf("message{ to: %x, from %x, value: %v, gas: %v, price: %v }\n", message.to[:4], message.from[:4], message.value, message.gas, message.price)
st := core.NewStateTransition(coinbase, message, statedb, nil)
vmenv := NewEnvFromMap(statedb, env, tx)
st := core.NewStateTransition(vmenv, message, coinbase)
vmenv.origin = keyPair.Address()
st.Env = vmenv
ret, err := st.TransitionState()
statedb.Update(vmenv.Gas)