mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
24 lines
678 B
Solidity
24 lines
678 B
Solidity
contract C {
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uint gas;
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address origin;
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function f() public {
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gas = tx.gasprice;
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origin = tx.origin;
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g();
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}
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function g() internal view {
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assert(gas >= 0); // should hold
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assert(uint160(origin) >= 0); // should hold
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assert(gas == tx.gasprice); // should hold with CHC
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assert(origin == tx.origin); // should hold with CHC
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assert(tx.origin == 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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// ----
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// Warning 6328: (343-377): CHC: Assertion violation happens here.\nCounterexample:\ngas = 0, origin = 0x0\n\nTransaction trace:\nC.constructor()\nState: gas = 0, origin = 0x0\nC.f(){ tx.gasprice: 0, tx.origin: 0x0 }\n C.g() -- internal call
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