solidity/test/libsolidity/smtCheckerTests/special/tx_vars_reentrancy_1.sol

17 lines
567 B
Solidity

interface I {
function f() external;
}
contract C {
function g(I _i) public payable {
uint x = address(this).balance;
_i.f();
assert(x == address(this).balance); // should fail
}
}
// ====
// SMTEngine: all
// SMTIgnoreOS: macos
// ----
// Warning 6328: (135-169): CHC: Assertion violation happens here.\nCounterexample:\n\n_i = 0\nx = 841\n\nTransaction trace:\nC.constructor()\nC.g(0){ msg.value: 38 }\n _i.f() -- untrusted external call, synthesized as:\n C.g(0){ msg.value: 0 } -- reentrant call\n _i.f() -- untrusted external call