liquid-funding/test/helpers/assertFail.js

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const chai = require('chai');
const assert = chai.assert;
module.exports = async function(promise) {
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let web3_error_thrown = false;
try {
await promise
.then(({ status }) => {
if (status === '0x00') {
web3_error_thrown = true;
}
});
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} catch (error) {
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if (error.message.includes("invalid opcode") || error.message.includes('revert')) web3_error_thrown = true;
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}
assert.ok(web3_error_thrown, "Transaction should fail");
};