solidity/test/libsolidity/smtCheckerTests/abi/abi_encode_with_sig_hash.sol
2022-11-24 13:08:06 +01:00

18 lines
1.0 KiB
Solidity

contract C {
function abiEncodeHash(string memory sig, uint a, uint b) public pure {
require(a == b);
bytes memory b1 = abi.encodeWithSignature(sig, a, a, a, a);
bytes memory b2 = abi.encodeWithSignature(sig, b, a, b, a);
assert(keccak256(b1) == keccak256(b2));
bytes memory b3 = abi.encodeWithSelector("f()", a, a, a, a);
assert(keccak256(b1) == keccak256(b3)); // should fail
assert(keccak256(b1) != keccak256(b3)); // should fail
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (337-375): CHC: Assertion violation happens here.\nCounterexample:\n\na = 0\nb = 0\nb1 = [0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d]\nb2 = [0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d]\n\nTransaction trace:\nC.constructor()\nC.abiEncodeHash(sig, 0, 0)
// Warning 6328: (394-432): CHC: Assertion violation happens here.\nCounterexample:\n\na = 0\nb = 0\n\nTransaction trace:\nC.constructor()\nC.abiEncodeHash(sig, 0, 0)