The decompiled output accurately preserves the mappings, getter functions, storage updates, packed-value masking, and calldata validation. The main functional discrepancy is that all three state-changing functions are marked payable instead of nonpayable.
setOwner, setBalance, and register are declared payable in the decompiled output, whereas the original functions are nonpayable; calls sending Ether would therefore be accepted by the decompiled representation but would revert in the original contract.
Candidate
Score: 96/100
The decompiled output preserves the mappings, setters, getters, storage packing, and boolean/address extraction logic accurately, with one significant mutability discrepancy.
The state-changing functions setOwner, setBalance, and register are marked payable in the decompiled output, whereas the original functions are nonpayable and must revert when called with nonzero msg.value.
The decompiled storage representations use bytes32 and explicit masking, but these operations appear functionally equivalent to the original address and bool storage types.
Diff
Decompiled output is identical between baseline and candidate.