Method makeError

lib.esm/abi/interface.js:777–809

(_data, tx)

        });
    }
    makeError(_data, tx) {
        const data = getBytes(_data, "data");
        const error = AbiCoder.getBuiltinCallException("call", tx, data);
        // Not a built-in error; try finding a custom error
        const customPrefix = "execution reverted (unknown custom error)";
        if (error.message.startsWith(customPrefix)) {
            const selector = hexlify(data.slice(0, 4));
            const ef = this.getError(selector);
            if (ef) {
                try {
                    const args = this.#abiCoder.decode(ef.inputs, data.slice(4));
                    error.revert = {
                        name: ef.name, signature: ef.format(), args
                    };
                    error.reason = error.revert.signature;
                    error.message = `execution reverted: ${error.reason}`;
                }
                catch (e) {
                    error.message = `execution reverted (coult not decode custom error)`;
                }
            }
        }
        // Add the invocation, if available
        const parsed = this.parseTransaction(tx);
        if (parsed) {
            error.invocation = {
                method: parsed.name,
                signature: parsed.signature,
                args: parsed.args
            };
        }
        return error;
    }
    /**
     *  Encodes the result data (e.g. from an ``eth_call``) for the
     *  specified function (see [[getFunction]] for valid values