Static Analyzer for Solidity
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slither/tests/ast-parsing/trycatch-0.6.0.sol

48 lines
1.2 KiB

contract ERC20 {
function balanceOf(address) public view returns (uint) {
return 0;
}
}
contract C {
function tryCatchFunctionCall() public {
uint actualBalance;
try ERC20(msg.sender).balanceOf(address(this)) returns (uint balance) {
actualBalance = balance;
} catch Error(string memory err) {
revert(err);
}
try ERC20(msg.sender).balanceOf(address(this)) returns (uint balance) {
actualBalance = balance;
} catch (bytes memory err) {
revert(string(err));
}
try ERC20(msg.sender).balanceOf(address(this)) returns (uint balance) {
actualBalance = balance;
} catch Error(string memory err) {
revert(err);
} catch (bytes memory err) {
revert(string(err));
}
try ERC20(msg.sender).balanceOf(address(this)) returns (uint) {
} catch {
actualBalance = 0;
}
}
function tryCatchContractDeployment() public {
try new ERC20() returns (ERC20 deployed) {
try deployed.balanceOf(address(this)) returns (uint) {
} catch {
}
} catch {
}
}
}