Hi, I think there is no need to do a hardfork for this. Rather it should be implemented as a safety-mechanism in the client. Perhaps a warning can pop up, if one of your conditions A) or B) is met.
All the best Henning Kopp On Thu, Mar 03, 2016 at 05:02:11AM -0800, Alice Wonder via bitcoin-dev wrote: > I think the next hard fork should require a safety rule for TX fees. > > https://blockchain.info/tx/6fe69404e6c12b25b60fcd56cc6dc9fb169b24608943def6dbe1eb0a9388ed08 > > 15 BTC TX fee for < 7 BTC of outputs. > > Probably either a typo or client bug. > > My guess is the user was using a client that does not adjust TX fee, and > needed to manually set it in order to get the TX in the block sooner, and > meant 15 mBTC or something. > > I suggest that either : > > A) TX fee may not be larger than sum of outputs > B) TX fee per byte may not be larger than 4X largest fee per byte in > previous block > > Either of those would have prevented this TX from going into a block. > > Many people I know are scared of bitcoin, that they will make a TX and make > a mistake they can't undo. > > Adding protections may help give confidence and there is precedence to doing > things to prevent typo blunders - a public address has a four byte checksum > to reduce the odds of a typo. > > This kind of mistake is rare, so a fix could be included in the coming HF > for the possible July 2017 block increase. > > Thank you for your time. > > Alice Wonder > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev > -- Henning Kopp Institute of Distributed Systems Ulm University, Germany Office: O27 - 3402 Phone: +49 731 50-24138 Web: http://www.uni-ulm.de/in/vs/~kopp _______________________________________________ bitcoin-dev mailing list bitcoin-dev@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev