Re: [Bitcoin-development] 75%/95% threshold for transaction versions

2015-04-26 Thread Joseph Poon
On Sun, Apr 26, 2015 at 03:01:10AM +0300, s7r wrote: It's true that malleability is not the end of the world, but it is annoying for contracts and micropayment channels, especially refunds spending the fund tx before it is even in the blockchain, relying solely on its txid. Agreed, needing

Re: [Bitcoin-development] Fwd: Reusable payment codes

2015-04-26 Thread Justus Ranvier
Payment codes establish the identity of the payer and allow for simpler methods for identifying the payee, and automatically provide the payee with the information they need to send a refund. If merchants and customers were using payment codes, they would not need the BIP70 equivalents. I think

Re: [Bitcoin-development] 75%/95% threshold for transaction versions

2015-04-26 Thread Joseph Poon
On Sat, Apr 25, 2015 at 11:51:37PM -0700, Joseph Poon wrote: signs the sigScript of the redeemed output. Err, typo, I meant: ... signs the *scriptPubKey* of the redeemed output. -- Joseph Poon -- One dashboard for

Re: [Bitcoin-development] Relative CHECKLOCKTIMEVERIFY (was CLTV proposal)

2015-04-26 Thread Jorge Timón
On Sun, Apr 26, 2015 at 1:35 PM, Jorge Timón jti...@jtimon.cc wrote: There's another possibility that could keep the utxo out of Script verification: class CTxIn { public: COutPoint prevout; CScript scriptSig; uint32_t nSequence; } could turn into: class CTxIn {

Re: [Bitcoin-development] Relative CHECKLOCKTIMEVERIFY (was CLTV proposal)

2015-04-26 Thread Jorge Timón
On Tue, Apr 21, 2015 at 9:59 AM, Peter Todd p...@petertodd.org wrote: Thus we have a few possibilities: 1) RCLTV against nLockTime Needs a minimum age COINBASE_MATURITY to be safe. 2) RCLTV against current block height/time Completely reorg safe. Yes, can we call this one OP_MATURITY

Re: [Bitcoin-development] Fwd: Reusable payment codes

2015-04-26 Thread Mike Hearn
Could you maybe write a short bit of text comparing this approach to extending BIP70 and combining it with a simple Subspace style store-and-forward network? -- One dashboard for servers and applications across

Re: [Bitcoin-development] Proof of Payment

2015-04-26 Thread Tom Harding
On 4/22/2015 1:03 PM, Kalle Rosenbaum wrote: I've built a proof-of-concept for Proof of Payment. It's available at http://www.rosenbaum.se:8080. The site contains links to the source code for both the server and a Mycelium fork as well as pre-built apk:s. There are several scenarios in