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Merge pull request #1918 from obscuren/get-hash-fix 

core, tests: get_hash fix
This commit is contained in:
Jeffrey Wilcke 2015-10-21 03:54:59 -07:00
parent 796952a49a 80f26086ee
commit dba15d9c36
3 changed files with 10 additions and 10 deletions
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2
core/vm/environment.go
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@ -39,7 +39,7 @@ type Environment interface {
// The block number this VM is invoken on
BlockNumber() *big.Int
// The n'th hash ago from this block number
GetHash(n uint64) common.Hash
GetHash(uint64) common.Hash
// The handler's address
Coinbase() common.Address
// The current time (block time)

4
core/vm_env.go
View File

@ -59,9 +59,11 @@ func (self *VMEnv) SetDepth(i int) { self.depth = i }
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) common.Hash {
if block := self.chain.GetBlockByNumber(n); block != nil {
for block := self.chain.GetBlock(self.header.ParentHash); block != nil; block = self.chain.GetBlock(block.ParentHash()) {
if block.NumberU64() == n {
return block.Hash()
}
}
return common.Hash{}
}

6
tests/util.go
View File

@ -132,7 +132,7 @@ type Env struct {
Gas *big.Int
origin common.Address
//parent common.Hash
parent common.Hash
coinbase common.Address
number *big.Int
@ -163,7 +163,7 @@ func NewEnvFromMap(state *state.StateDB, envValues map[string]string, exeValues
env := NewEnv(state)
env.origin = common.HexToAddress(exeValues["caller"])
//env.parent = common.Hex2Bytes(envValues["previousHash"])
env.parent = common.HexToHash(envValues["previousHash"])
env.coinbase = common.HexToAddress(envValues["currentCoinbase"])
env.number = common.Big(envValues["currentNumber"])
env.time = common.Big(envValues["currentTimestamp"])
@ -176,8 +176,6 @@ func NewEnvFromMap(state *state.StateDB, envValues map[string]string, exeValues
func (self *Env) Origin() common.Address { return self.origin }
func (self *Env) BlockNumber() *big.Int { return self.number }
//func (self *Env) PrevHash() []byte { return self.parent }
func (self *Env) Coinbase() common.Address { return self.coinbase }
func (self *Env) Time() *big.Int { return self.time }
func (self *Env) Difficulty() *big.Int { return self.difficulty }