Re: [Lightning-dev] Revocations and Watchtowers

2019-09-19 Thread ZmnSCPxj via Lightning-dev
Good morning Christian, > Even with shachain the storage requirements for the nodes (not the > watchtowers) are far from being constant either: since any old state, > including anything that we built on top of it (HTLCs), so we need to > keep information around to react to those as well

Re: [Lightning-dev] Revocations and Watchtowers

2019-09-19 Thread Christian Decker
I don't think this paints an accurate picture, both when it comes to watchtowers for LN-penalty as well as for eltoo: Technically the storage requirement for the shachain is also O(log(n)) and not O(1) due to the fact that we effectively have a cut through the height of the tree, along which we

[Lightning-dev] Revocations and Watchtowers

2019-09-19 Thread ZmnSCPxj via Lightning-dev
Good morning list, I was reading through the transcript of recent talk: https://diyhpl.us/wiki/transcripts/scalingbitcoin/tel-aviv-2019/edgedevplusplus/blockchain-design-patterns/ In section "Revocations and SIGHASH_NOINPUT": > There's another issue in lightning, which is the revocation