Re: [Lightning-dev] [PROPOSAL] Removal of proposal to make CSV delay symmetric

2019-07-24 Thread Pierre
> Well one of 6, 36, 144, 432 or 1008 is probably more than enough choice. Indeed, that seems entirely reasonable. > Most of the time, local commitments are not in play. But if your node > drops out, remote commitments definitely will be. That's true, although in my experience, the refund delay

Re: [Lightning-dev] [PROPOSAL] Removal of proposal to make CSV delay symmetric

2019-07-24 Thread Rusty Russell
Pierre writes: >> > How would bruteforcing on the CSV delay be different from a BIP32 >> > wallet with look ahead keys? Especially given that we could try with >> > most probable values first. >> >> It's a big multiplier, given that CSV can be specified by the >> counterparty. If you accept up to

Re: [Lightning-dev] [PROPOSAL] Removal of proposal to make CSV delay symmetric

2019-07-23 Thread Pierre
> > How would bruteforcing on the CSV delay be different from a BIP32 > > wallet with look ahead keys? Especially given that we could try with > > most probable values first. > > It's a big multiplier, given that CSV can be specified by the > counterparty. If you accept up to 1024 and offer 144, t

Re: [Lightning-dev] [PROPOSAL] Removal of proposal to make CSV delay symmetric

2019-07-20 Thread Rusty Russell
Pierre writes: > Hi Rusty, > > How would bruteforcing on the CSV delay be different from a BIP32 > wallet with look ahead keys? Especially given that we could try with > most probable values first. It's a big multiplier, given that CSV can be specified by the counterparty. If you accept up to 10

Re: [Lightning-dev] [PROPOSAL] Removal of proposal to make CSV delay symmetric

2019-07-19 Thread Pierre
Hi Rusty, How would bruteforcing on the CSV delay be different from a BIP32 wallet with look ahead keys? Especially given that we could try with most probable values first. Cheers, Pierre ___ Lightning-dev mailing list Lightning-dev@lists.linuxfoundati

[Lightning-dev] [PROPOSAL] Removal of proposal to make CSV delay symmetric

2019-07-17 Thread Rusty Russell
Hi all, In Adelaide we proposed that CSV delays be symmetric; that the to-self output would be delayed to avoid weird "no, you close!" games. Unfortunately, Roasbeef points out that this undermines the great strength of the option_static_remotekey, which allows a disaster-recovery