Method decodeFunctionResult

lib.esm/abi/interface.js:755–776

* Decodes the result %%data%% (e.g. from an ``eth_call``) for the * specified function (see [[getFunction]] for valid values for * %%key%%). * * Most developers should prefer the [[parseCallResult]] method instead, * which will automatically detect a ``CALL_EXCEPTION``

(fragment, data)

     *  corresponding error.
     */
    decodeFunctionResult(fragment, data) {
        if (typeof (fragment) === "string") {
            const f = this.getFunction(fragment);
            assertArgument(f, "unknown function", "fragment", fragment);
            fragment = f;
        }
        let message = "invalid length for result data";
        const bytes = getBytesCopy(data);
        if ((bytes.length % 32) === 0) {
            try {
                return this.#abiCoder.decode(fragment.outputs, bytes);
            }
            catch (error) {
                message = "could not decode result data";
            }
        }
        // Call returned data with no error, but the data is junk
        assert(false, message, "BAD_DATA", {
            value: hexlify(bytes),
            info: { method: fragment.name, signature: fragment.format() }
        });
    }
    makeError(_data, tx) {
        const data = getBytes(_data, "data");
        const error = AbiCoder.getBuiltinCallException("call", tx, data);