gaspersic/go-ethereum
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Moved state reset to defered function

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This commit is contained in:
obscuren
2014-10-16 13:39:30 +02:00
parent febec5ca4a
commit 86f789333a
1 changed files with 6 additions and 5 deletions
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11
ethvm/execution.go
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@@ -28,6 +28,11 @@ func (self *Execution) Exec(codeAddr []byte, caller ClosureRef) (ret []byte, err
env := self.vm.Env() env := self.vm.Env()
snapshot := env.State().Copy() snapshot := env.State().Copy()
defer func() {
if err != nil {
env.State().Set(snapshot)
}
}()
msg := env.State().Manifest().AddMessage(&ethstate.Message{ msg := env.State().Manifest().AddMessage(&ethstate.Message{
To: self.address, From: caller.Address(), To: self.address, From: caller.Address(),
@@ -49,7 +54,7 @@ func (self *Execution) Exec(codeAddr []byte, caller ClosureRef) (ret []byte, err
caller.Object().SubAmount(self.value) caller.Object().SubAmount(self.value)
stateObject.AddAmount(self.value) stateObject.AddAmount(self.value)
// Precompiled contracts (address.go) 1, 2 & 3. // Pre-compiled contracts (address.go) 1, 2 & 3.
naddr := ethutil.BigD(codeAddr).Uint64() naddr := ethutil.BigD(codeAddr).Uint64()
if p := Precompiled[naddr]; p != nil { if p := Precompiled[naddr]; p != nil {
if self.gas.Cmp(p.Gas) >= 0 { if self.gas.Cmp(p.Gas) >= 0 {
@@ -74,9 +79,5 @@ func (self *Execution) Exec(codeAddr []byte, caller ClosureRef) (ret []byte, err
} }
} }
if err != nil {
env.State().Set(snapshot)
}
return return
} }