Cezary Dziemian <cezary.dziem...@gmail.com> writes: > Thank you very much for answers. It is honor that you answered and it is > also very important for us in Poland. My friend is building Bitcoin ATMs > and off-course plan to use LN. BTW: In Poland a lot of people believe that > LN is the next big thing. We have huge pro-LN community and even have LN > whitepaper translated to polish. > > So for 1.1 such scenario will not be possible?: > > We have such network with such payment channel opened: > > Hub A > / \ > Payer Merchant > \ / > Hub B > > Hub A and Hub B belong to the same person, who will try to cheat us. Now > Payer try to send payment through Hub A to Merchant. Hub A updates HTLC > contract with Payer for this payment but never updates HTLC contract to > Merchant so payment cannot be processed and is "pending". Because payer see > that payment is pending, tries to make payment using Hub B based on the > same invoice. After Marchant reveals secret number to Hub B, Hub A also can > use it to steal funds from first pending payment.
Exactly. This is why the payer's wallet will *refuse* to make two payments to the same payment_hash (until one has failed). You need to ask the merchant for another invoice for now. Thanks! Rusty. _______________________________________________ Lightning-dev mailing list Lightning-dev@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/lightning-dev
