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Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.7.6+commit.7338295f.js&optimize=false&runs=200&gist=
//SPDX-License-Identifier: MIT
pragma solidity 0.8.4;
contract AlwaysFails {
function aFunction() public {
require(false, "Error message");
}
}
contract ErrorHandling {
event ErrorLogging(string reason);
function catchError() public {
AlwaysFails will = new AlwaysFails();
try will.aFunction() {
//here we could do something if it works
} catch Error(string memory reason) {
emit ErrorLogging(reason);
}
}
}
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