[Lightning-dev] On Mempool Funny Games against Multi-Party Funded Transactions

2021-05-06 Thread Antoine Riard
Hi, In this post I would like to highlight some DoS attacks against multi-party Bitcoin protocols during their funding phases. Recent discussions around DLC funding flow [0] and dual-funding of LN channel [1] remind me that some timevalue DoS/fee inflation issues are common to any multi-party fund

Re: [Lightning-dev] On Mempool Funny Games against Multi-Party Funded Transactions

2021-05-06 Thread Ján Sáreník
Hi Antoine, On Thu, May 6, 2021 at 3:44 PM Antoine Riard wrote: > In this post I would like to highlight some DoS attacks against > multi-party Bitcoin protocols during their funding phases. Recent > discussions around DLC funding flow [0] and dual-funding of LN channel [1] > remind me that some

[Lightning-dev] Upgrade on reestablish.

2021-05-06 Thread Rusty Russell
I wanted this for my simplified update commitment draft, so here it is. Would be nice to upgrade those old channels to static remotekey and anchors (yeah, it's still on my TODO) so we could top the old stuff out of implementations and finally the spec! https://github.com/lightningnetwork/l