mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
33 lines
1.1 KiB
Solidity
33 lines
1.1 KiB
Solidity
contract C {
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bytes data;
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address sender;
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bytes4 sig;
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uint value;
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function f() public payable {
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data = msg.data;
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sender = msg.sender;
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sig = msg.sig;
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value = msg.value;
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require(value == 42);
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g();
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}
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function g() internal view {
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assert(data.length >= 0); // should hold
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assert(uint160(sender) >= 0); // should hold
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assert(uint32(sig) >= 0); // should hold
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assert(value >= 0); // should hold
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assert(data.length == msg.data.length); // should hold with CHC
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assert(sender == msg.sender); // should hold with CHC
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assert(sig == msg.sig); // should hold with CHC
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assert(value == msg.value); // should hold with CHC
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assert(msg.value == 10); // 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: (645-668): CHC: Assertion violation happens here.\nCounterexample:\ndata = [0x26, 0x12, 0x1f, 0xf0], sender = 0x0, sig = 0x26121ff0, value = 42\n\nTransaction trace:\nC.constructor()\nState: data = [], sender = 0x0, sig = 0x0, value = 0\nC.f(){ msg.data: [0x26, 0x12, 0x1f, 0xf0], msg.sender: 0x0, msg.sig: 0x26121ff0, msg.value: 42 }\n C.g() -- internal call
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