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Semantic test for high level call to precompiles.

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Because of the extcodesize check, the high level call will fail. Even though the low level call can
succeed and return data.
This commit is contained in:
hrkrshnn 2021-11-01 10:24:08 +01:00
parent 408bd5fa62
commit 7683442ce2
1 changed files with 25 additions and 0 deletions
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25
test/libsolidity/semanticTests/functionCall/precompile_extcodesize_check.sol Normal file
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interface Identity {
function selectorAndAppendValue(uint value) external pure returns (uint);
}
contract C {
Identity constant i = Identity(address(0x0004));
function testHighLevel() external pure returns (bool) {
// Should fail because `extcodesize(4) = 0`
i.selectorAndAppendValue(5);
return true;
}
function testLowLevel() external view returns (uint value) {
(bool success, bytes memory ret) =
address(4).staticcall(
abi.encodeWithSelector(Identity.selectorAndAppendValue.selector, uint(5))
);
value = abi.decode(ret, (uint));
}
}
// ====
// compileViaYul: also
// EVMVersion: >=constantinople
// ----
// testHighLevel() -> FAILURE
// testLowLevel() -> 0xc76596d400000000000000000000000000000000000000000000000000000000