mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
feba4de509
Co-authored-by: Daniel <daniel@ekpyron.org> Co-authored-by: Kamil Śliwak <kamil.sliwak@codepoets.it> Co-authored-by: Leo <leo@ethereum.org>
43 lines
1.4 KiB
Solidity
43 lines
1.4 KiB
Solidity
contract C {
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address coin;
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uint dif;
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uint prevrandao;
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uint gas;
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uint number;
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uint timestamp;
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function f() public {
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coin = block.coinbase;
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dif = block.difficulty;
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prevrandao = block.prevrandao;
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gas = block.gaslimit;
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number = block.number;
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timestamp = block.timestamp;
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g();
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}
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function g() internal view {
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assert(uint160(coin) >= 0); // should hold
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assert(dif >= 0); // should hold
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assert(prevrandao > 2**64); // should hold
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assert(gas >= 0); // should hold
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assert(number >= 0); // should hold
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assert(timestamp >= 0); // should hold
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assert(coin == block.coinbase); // should hold with CHC
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assert(dif == block.difficulty); // should hold with CHC
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assert(prevrandao == block.prevrandao); // should hold with CHC
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assert(gas == block.gaslimit); // should hold with CHC
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assert(number == block.number); // should hold with CHC
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assert(timestamp == block.timestamp); // should hold with CHC
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assert(coin == address(this)); // should fail
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}
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}
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// ====
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// SMTEngine: chc
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// SMTIgnoreOS: macos
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// ----
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// Warning 8417: (155-171): Since the VM version paris, "difficulty" was replaced by "prevrandao", which now returns a random number based on the beacon chain.
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// Warning 8417: (641-657): Since the VM version paris, "difficulty" was replaced by "prevrandao", which now returns a random number based on the beacon chain.
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// Warning 6328: (932-961): CHC: Assertion violation happens here.
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