poanetwork
/
quorum
mirror of https://github.com/poanetwork/quorum.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #17982 from holiman/polish_contantinople_extcodehash 

core/vm: check empty in extcodehash
This commit is contained in:
Péter Szilágyi 2018-11-08 14:26:04 +02:00 committed by GitHub
parent bd519ab8ae 1b6fd032e3
commit d0675e9d9c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
core/vm/instructions.go
View File

@ -544,7 +544,12 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract,
// this account should be regarded as a non-existent account and zero should be returned.
func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
slot := stack.peek()
slot.SetBytes(interpreter.evm.StateDB.GetCodeHash(common.BigToAddress(slot)).Bytes())
address := common.BigToAddress(slot)
if interpreter.evm.StateDB.Empty(address) {
slot.SetUint64(0)
} else {
slot.SetBytes(interpreter.evm.StateDB.GetCodeHash(address).Bytes())
}
return nil, nil
}