diff options
Diffstat (limited to 'core/vm/instructions.go')
-rw-r--r-- | core/vm/instructions.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/core/vm/instructions.go b/core/vm/instructions.go index b7c3ca532..6696c6e3d 100644 --- a/core/vm/instructions.go +++ b/core/vm/instructions.go @@ -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 } |