cerc-io/plugeth
18
0
Fork 1
Code Issues 4 Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #16491 from holiman/fix_copy_again

Browse Source 
core/state: fix ripemd-cornercase in Copy
This commit is contained in:
Péter Szilágyi 2018-04-12 10:54:29 +03:00 committed by GitHub
commit 7e911b8e47
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
core/state/statedb.go
View File

@ -471,9 +471,15 @@ func (self *StateDB) Copy() *StateDB {
} }
// Copy the dirty states, logs, and preimages // Copy the dirty states, logs, and preimages
for addr := range self.journal.dirties { for addr := range self.journal.dirties {
state.stateObjects[addr] = self.stateObjects[addr].deepCopy(state) // As documented [here](https://github.com/ethereum/go-ethereum/pull/16485#issuecomment-380438527),
// and in the Finalise-method, there is a case where an object is in the journal but not
// in the stateObjects: OOG after touch on ripeMD prior to Byzantium. Thus, we need to check for
// nil
if object, exist := self.stateObjects[addr]; exist {
state.stateObjects[addr] = object.deepCopy(state)
state.stateObjectsDirty[addr] = struct{}{} state.stateObjectsDirty[addr] = struct{}{}
} }
}
// Above, we don't copy the actual journal. This means that if the copy is copied, the // Above, we don't copy the actual journal. This means that if the copy is copied, the
// loop above will be a no-op, since the copy's journal is empty. // loop above will be a no-op, since the copy's journal is empty.
// Thus, here we iterate over stateObjects, to enable copies of copies // Thus, here we iterate over stateObjects, to enable copies of copies