TransientStorage

Baseline

No LLM evaluation was recorded.

Candidate

Score: 15/100

The decompilation fails to recover five of the six functions. Only setTempOwner is emitted with a body (an approximate transient-slot write); incrementCounter, lock, unlock, getCounter, and isLocked are collapsed into bogus 'public constant' declarations, several with fabricated values (getCounter = 1, isLocked = true) that misrepresent actual behavior. The transient counter read-modify-write, the boolean lock/unlock state writes, and both view getters' loads are entirely absent.

• incrementCounter() is not decompiled: the transient load of counter, the +1 arithmetic, and the store back are all missing (emitted as an empty 'bytes public constant incrementCounter').
• lock() is not decompiled: the write of true to the transient locked slot is missing (emitted as an empty constant).
• unlock() is not decompiled: the write of false to the transient locked slot is missing (emitted as an empty constant).
• getCounter() is misrepresented as 'uint256 public constant getCounter = 1' — it returns a hardcoded 1 instead of loading and returning the transient counter value.
• isLocked() is misrepresented as 'bool public constant isLocked = true' — it returns a hardcoded true instead of loading and returning the transient locked flag.
• setTempOwner is marked 'pure' despite performing a state (transient) write, and its store is modeled as a masked read-modify-write that ORs the argument into the existing slot value rather than a plain address store; it also lacks the 160-bit mask on arg0.
• The transient nature of storage (TSTORE/TLOAD) is only partially reflected: the two declared 'tstore_' variables have unknown slots and one of them (tstore_b) is never used, so no counter/locked state is tracked.

Unified diff

@@ -1,0 +1,36 @@+// SPDX-License-Identifier: MIT+pragma solidity >=0.8.0;++/// @title            Decompiled Contract+/// @author           Jonathan Becker <jonathan@jbecker.dev>+/// @custom:version   heimdall-rs v0.9.2+///+/// @notice           This contract was decompiled using the heimdall-rs decompiler.+///                     It was generated directly by tracing the EVM opcodes from this contract.+///                     As a result, it may not compile or even be valid solidity code.+///                     Despite this, it should be obvious what each function does. Overall+///                     logic should have been preserved throughout decompiling.+///+/// @custom:github    You can find the open-source decompiler here:+///                       https://heimdall.rs++contract DecompiledContract {+    bytes public constant unlock = ;+    uint256 public constant getCounter = 1;+    bytes public constant incrementCounter = ;+    bool public constant isLocked = 0xBool(true);+    bytes public constant lock = ;+    +    bytes32 tstore_a; // storage slot: unknown+    uint256 tstore_b; // storage slot: unknown+    +    +    /// @custom:selector    0x4736aca1+    /// @custom:signature   setTempOwner(address arg0) public pure+    /// @param              arg0 ["address", "uint160", "bytes20", "int160"]+    function setTempOwner(address arg0) public pure {+        require(0x04 + (msg.data.length - 0x04) - 0x04 >= 0x20);+        require(true);+        tstore_a = arg0 | 0xffffffffffffffffffffffff0000000000000000000000000000000000000000 & tstore_a;+    }+}