Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Aaron Voisine
One possible solution that wallets could adopt when blocks fill up, would be to abandon the p2p network for transaction propagation altogether, and instead work directly with a handful of the largest miners and pools to get transactions into blocks. The miners could auction off space in their block

[Bitcoin-development] Miners: You'll (very likely) need to upgrade your Bitcoin Core node soon to support BIP66

2015-06-11 Thread Peter Todd
Summary --- The BIP66 soft-fork recently passed the 75% support threshold. This means that 75% of the hashing power has upgraded to support BIP66; 25% of the hashing power has not. Once 95% of the hashing power has upgraded, blocks created by the 5% who have not upgraded will be rejected. If

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Aaron Voisine
> A Header-PoW-verifying client could still be given all transactions in a recent block, from which it can see the in-band fees directly. You don't know the fees paid by any given transaction unless you also have all it's inputs. Transaction inputs do not include an amount. You could however get t

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Nathan Wilcox
On Wed, Jun 10, 2015 at 2:03 PM, Peter Todd wrote: > On Wed, Jun 10, 2015 at 02:00:27PM -0600, Nathan Wilcox wrote: > > On Wed, Jun 10, 2015 at 1:19 PM, Aaron Voisine > wrote: > > > > > It could be done by agreeing on a data format and encoding it in an > > > op_return output in the coinbase tra

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Nathan Wilcox
On Thu, Jun 11, 2015 at 7:10 AM, Peter Todd wrote: > On Wed, Jun 10, 2015 at 02:18:30PM -0700, Aaron Voisine wrote: > > The other complication is that this will tend to be a lagging indicator > > based on network congestion from the last time you connected. If we > assume > > that transactions ar

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Mike Hearn
> > > Re: "dropped in an unpredictable way" - transactions would be dropped > > lowest fee/KB first, a completely predictable way. > > Quite agreed. No, Aaron is correct. It's unpredictable from the perspective of the user sending the transaction, and as they are the ones picking the fees, that i

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Tom Harding
On 6/11/2015 6:10 AM, Peter Todd wrote: > On Wed, Jun 10, 2015 at 02:18:30PM -0700, Aaron Voisine wrote: >> The other complication is that this will tend to be a lagging indicator >> based on network congestion from the last time you connected. If we assume >> that transactions are being dropped in

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Martin Lie
Peter Todd wrote: > Re: "dropped in an unpredictable way" - transactions would be dropped > lowest fee/KB first, a completely predictable way. It would be 'completely predictable' for whoever knew the state and policies of a miner's mempool, but from an end user's perspective that wouldn't matte

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Peter Todd
On Wed, Jun 10, 2015 at 02:18:30PM -0700, Aaron Voisine wrote: > The other complication is that this will tend to be a lagging indicator > based on network congestion from the last time you connected. If we assume > that transactions are being dropped in an unpredictable way when blocks are > full,

Re: [Bitcoin-development] Proposal: SPV Fee Discovery mechanism

2015-06-11 Thread Mike Hearn
> > If we assume that transactions are being dropped in an unpredictable way > when blocks are full, knowing the network congestion *right now* is > critical, and even then you just have to hope that someone who wants that > space more than you do doesn't show up after you disconnect. > Yeah, my p

Re: [Bitcoin-development] Is SourceForge still trustworthy enough to host this list?

2015-06-11 Thread Wladimir J. van der Laan
On Wed, Jun 10, 2015 at 09:36:23PM +0300, s7r wrote: > The mail list is public, so it's not like the data on it is somehow > sensitive. Sourcefoge is fine, it has a nice web UI where you can browse > the message and sort/order them as you want, etc. > > Why would you want to move to a paid solutio