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And use this to resolve old transactions by comparing outputs with HTLCs. Rather than remembering the output ordering for every one of their previous commitment transactions, we just remember the commitment number for each commitment txid, and when we see it, derive all the HTLC scriptpubkeys and the to-us and to-them scriptpubkeys, and figure out which is which. This avoids us having to save information on disk, except for the txid->commitment-number mapping (and the shachain). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Lightning Protocol Reference Implementation
In this repository we're developing a reference implementation of bitcoin lightning (see: http://lightning.network which proposed the original "lightning network").
This implementation is being developed in parallel with the protocol definition, which you can find on my fork of the protocol description repository.
So far, we are working on the inter-node encryption and transaction negotiation phases.
Later steps will enhance the protocol to network individual daemons, advertise their IP addresses, publish routes and fees, and use that information to pay specific nodes. These details are currently being hashed out on the mailing list and the IRC channel #lightning-dev on Freenode.
Final note: This is very much a testbed and work in progress; expect All The Things to change, all the time.
Welcome aboard!
Rusty.