From decker.christian at gmail.com Wed Oct 5 21:37:06 2016 From: decker.christian at gmail.com (Christian Decker) Date: Wed, 05 Oct 2016 21:37:06 +0000 Subject: [Lightning-dev] Blockstream Successfully Tests End-to-End Lightning Micropayment Transaction In-Reply-To: <1475701909.2436.2.camel@yahoo.com> References: <1475701909.2436.2.camel@yahoo.com> Message-ID: Hi gb, that is mostly just coincidence, by default the implementation will bind to a random port, but to make the server easier to find Rusty fixed the port to 8334, it's just easier to remember than a random one :-) Cheers, Christian On Wed, Oct 5, 2016 at 11:11 PM gb wrote: > Hi > > Thanks for the demo Christian. > > Randy, you might like to know that I noticed that lightningd is using > port 8334 and that namecoind has used port 8334 since it was launched in > May 2011. > > On Wed, 2016-10-05 at 16:00 +0000, Christian Decker wrote: > > Hi everybody > > > > > > The following blog post describes our recent use of an v0.5 C > > lightning prototype, showcasing a completed transaction that included > > invoicing, multi-hop payment, and item delivery. The included links > > provide additional content and supporting code, as well as a short > > video. This will be going live on Blockstream?s blog shortly. > > > > > > Regards, > > Rusty Russell > > Dr. Christian Decker > > > > > > > > > > > > > > Lightning First Strike: Christian Bought a Cat > > Rusty Russell, October 5, 2016 > > https://blockstream.com/blog/ > > > > > > This story of feline acquisition begins with the demonstration of v0.5 > > of the C lightning prototype, a lightning-fast micropayment system > > we've been working on here at Blockstream (see > > https://github.com/ElementsProject/lightning). To test the impending > > prototype, we set up a web server to create invoices for test bitcoin > > payments over the lightning network, and in return to offer a cat, or > > at least an ASCII cat picture. > > > > > > Dr. Christian Decker, another Blockstream developer working with me, > > purchased the feline picture using 0.01 test bitcoin to open a > > lightning channel with the server (see > > > http://tbtc.blockr.io/tx/info/c909f1fb5e971e32ae20e34cf6cf766f7237bfadf75aa6646a42063b9acba82b), > which was mined in test block 928335 (see > http://tbtc.blockr.io/block/info/928335). After a single confirmation, he > paid the invoice with a 100 satoshi transfer. Afterward, he accessed the > link to find his cat picture (see > http://128.199.80.48/?43744e221d794dcc0e61f8a757fa0346). He discovered it > was an ASCII picture, with a nice bonus. Two cats! Christian promptly > opened another node, connected to the first node, and bought a second copy > of the cat picture by routing through the previous node. > > > > > > What Happened Behind The Scenes? > > > > > > A Digital Ocean server runs Apache, bitcoind, and lightningd. When > > accessed, a CGI script calls 'lightning-cli invoice 100000' to create > > an invoice, which is presented to the user (see > > > https://github.com/rustyrussell/lightning-cat/blob/cc206788c552e2f7feb616170178c7ec38ccedb5/catsearch.sh). > The user clicks through a unique link, and if 'lightning-cli listinvoice' > indicates that the invoice was paid, the script presents the picture. > > > > This is the first end-to-end test of a lightning micropayment network, > > including invoicing, multi-hop payment, and item delivery. It is very > > different from Acinq's recent simulation (see > > > http://www.coindesk.com/bitcoins-lightning-network-milestone-acinq-routing/) > of a lightning routing algorithm called Flare (See > http://bitfury.com/content/5-white-papers-research/whitepaper_flare_an_approach_to_routing_in_lightning_network_7_7_2016.pdf). > Their work shows how, by way of simple analogy, one can create a streetmap > to get from A to B in an efficient way, while the test we've demonstrated > here with v0.5 of the C lightning prototype has us actually walking that > path on the street. > > > > What's Next? > > > > > > We found a few bugs in corner cases and hit some known FIXMEs, but > > also made lightningd more robust against misconfiguration. There are a > > few rough edges that we'd still like to smooth and some documentation > > that we'd like to write before the 0.5 release. Then, we want to > > create libraries to allow web developers to play with constructing > > their own cat picture stores! > > > > In the meantime, here's a short video that shows this working (see > > https://asciinema.org/a/ergldrzd43j08klix08hf9yl3). The low production > > value fits with the ASCII art. > > _______________________________________________ > > Lightning-dev mailing list > > Lightning-dev at lists.linuxfoundation.org > > https://lists.linuxfoundation.org/mailman/listinfo/lightning-dev > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: