mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
27 lines
676 B
Solidity
27 lines
676 B
Solidity
pragma experimental SMTChecker;
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contract C
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{
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function f() public payable {
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assert(msg.data.length > 0);
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// Fails since calldata size should be 4
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assert(msg.data.length > 4);
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// f's sig is 0x26121ff0
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assert(msg.data[0] == 0x26);
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assert(msg.data[1] == 0x12);
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assert(msg.data[2] == 0x1f);
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assert(msg.data[3] == 0xf0);
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}
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function g() public payable {
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// g's sig is 0xe2179b8e
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assert(msg.data[0] == 0xe2);
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assert(msg.data[1] == 0x17);
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assert(msg.data[2] == 0x9b);
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// Fails
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assert(msg.data[3] == 0x8f);
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}
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}
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// ----
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// Warning 6328: (153-180): CHC: Assertion violation happens here.
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// Warning 6328: (500-527): CHC: Assertion violation happens here.
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