solidity/test/libsolidity/smtCheckerTests/abi/abi_encode_packed_hash.sol
2021-04-08 21:03:39 +02:00

18 lines
582 B
Solidity

contract C {
function abiencodePackedHash(uint a, uint b) public pure {
require(a == b);
bytes memory b1 = abi.encodePacked(a, a, a, a);
bytes memory b2 = abi.encodePacked(b, a, b, a);
assert(keccak256(b1) == keccak256(b2));
bytes memory b3 = abi.encode(a, a, a, a);
assert(keccak256(b1) == keccak256(b3)); // should fail
}
}
// ====
// SMTEngine: all
// ----
// Warning 1218: (281-319): CHC: Error trying to invoke SMT solver.
// Warning 6328: (281-319): CHC: Assertion violation might happen here.
// Warning 4661: (281-319): BMC: Assertion violation happens here.