Method parseLog

src.ts/abi/interface.ts:1215–1226

* Parses a receipt log, finding the matching event and extracts * the parameter values along with other useful event details. * * If the matching event cannot be found, returns null.

(log: { topics: ReadonlyArray<string>, data: string})

     *  If the matching event cannot be found, returns null.
     */
    parseLog(log: { topics: ReadonlyArray<string>, data: string}): null | LogDescription {
        const fragment = this.getEvent(log.topics[0]);

        if (!fragment || fragment.anonymous) { return null; }

        // @TODO: If anonymous, and the only method, and the input count matches, should we parse?
        //        Probably not, because just because it is the only event in the ABI does
        //        not mean we have the full ABI; maybe just a fragment?


       return new LogDescription(fragment, fragment.topicHash, this.decodeEventLog(fragment, log.data, log.topics));
    }

    /**
     *  Parses a revert data, finding the matching error and extracts