solidity/test/libsolidity/smtCheckerTests/special/prevrandao.sol
Rodrigo Q. Saramago feba4de509
Add paris constraints to SMTChecker
Co-authored-by: Daniel <daniel@ekpyron.org>
Co-authored-by: Kamil Śliwak <kamil.sliwak@codepoets.it>
Co-authored-by: Leo <leo@ethereum.org>
2023-01-31 11:03:04 +01:00

17 lines
745 B
Solidity

contract C
{
function f(uint prevrandao) public view {
assert(block.prevrandao == prevrandao); // should fail
assert(block.difficulty == prevrandao); // should fail
assert(block.difficulty == block.prevrandao); // should hold
}
}
// ====
// SMTEngine: all
// SMTIgnoreCex: yes
// ----
// Warning 8417: (122-138): Since the VM version paris, "difficulty" was replaced by "prevrandao", which now returns a random number based on the beacon chain.
// Warning 8417: (179-195): Since the VM version paris, "difficulty" was replaced by "prevrandao", which now returns a random number based on the beacon chain.
// Warning 6328: (58-96): CHC: Assertion violation happens here.
// Warning 6328: (115-153): CHC: Assertion violation happens here.