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538 Commits

Author SHA1 Message Date
Rusty Russell
f510e29e22 alpha: switch over to Elements Alpha by default. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-03 13:36:25 +09:30
Rusty Russell
62a002c860 script: make DER for signature encoding optional. 
Alpha does the sane thing, places signatures raw.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:27:52 +09:30
Rusty Russell
faae91f3fc Schnorr signature support. 
This variation is used by alpha.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:27:52 +09:30
Rusty Russell
d20ddb5a90 Use libsecp256k1 instead of openssl for crypto. 
We still use openssl for bignums (base58) and for ripemd.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:27:52 +09:30
Rusty Russell
5a79ef9502 Import secp256k1 (schnorr version) 
Imported from: git@github.com:sipa/secp256k1.git schnorr3 (0ab0b47)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:27:52 +09:30
Rusty Russell
20624c049f tx: prepare for Elements Alpha. 
They sign, hash, and serialize differently.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:27:45 +09:30
Rusty Russell
602117e8bb Add valgrind memcheck helpers. 
Otherwise valgrind tells you when you test a hash; you want to
know if you hash uninitialized memory long before that.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-24 16:15:34 +09:30
Rusty Russell
c91d2b5206 ccan: add local copy. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 13:29:06 +09:30
Rusty Russell
a0b621689e TAGS: Improve support. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:44:45 +09:30
Rusty Russell
4e8eda47a1 Move hacky command line utils out to test-cli subdir. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:35:42 +09:30
Rusty Russell
442f321585 Move protobuf<->bitcoin converters out of bitcoin/ 
They're lightning-specific.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:35:42 +09:30
Rusty Russell
612d713470 Move bitcoin stuff into bitcoin subdir. 
It's not very interesting if you're looking for LN code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:35:42 +09:30
Rusty Russell
2d714f5ad4 create-commit-tx: create a commit tx. 
Required for unilateral close.  Also lets us test stealing funds
from a revoked transaction.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:35:26 +09:30
Rusty Russell
ed3f0115d6 protocol: fix horribly thinko, keep own secrets. 
I had each side using the other side's hash secret.  That's a very
dumb idea, since it means you can steal from a unilateral close!

A's secret applies to A's commit transaction: it needs the
secret and B's final signature to steal funds, and that should
never happen (since A doesn't have the B's final signature, and
once A has given B the secret, they never broadcast the commit tx).

This makes the update a 4 step dance, since you need the new
revocation hash to make the other side's TX to sign.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-10 21:39:45 +09:30
Rusty Russell
3fef1584e5 update-channel-complete: final step in channel update. 
(note: I didn't bother writing the code to check the sig on this).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-09 14:13:27 +09:30
Rusty Russell
3957f1e1c1 update-channel-accept: accept the channel update. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-09 14:13:27 +09:30
Rusty Russell
d51f6372aa update-channel: prepare a new tx with modified amounts. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-09 14:13:27 +09:30
Rusty Russell
ecb39efed1 find_p2sh_out: extract helper. 
Really only for our silly little utils.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-09 14:13:21 +09:30
Rusty Russell
7175d73573 create-close-tx: create a mutual close tx from the close sigs. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-08 15:08:10 +09:30
Rusty Russell
38f7a23064 close-channel: create message to mutually close channel. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-08 14:46:41 +09:30
Rusty Russell
16baa1dae9 create-commit-spend-tx: spend the commit tx (after timeout) 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-08 09:29:09 +09:30
Rusty Russell
fc8552318a opt_bits: parsing routines for 'bits' == 100 satoshi. 
Also fix open-channel usage message.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-07 13:52:04 +09:30
Rusty Russell
126192a842 create-steal-tx: get my money back! 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-05 17:22:54 +09:30
Rusty Russell
0742e5356f get-anchor-depth: simple helper to get min_confirms from OpenChannel packet 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-05 11:09:29 +09:30
Rusty Russell
33bbd38691 Makefile: cleanup and generalize 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-05 11:05:05 +09:30
Rusty Russell
623c6562af Makefile: add TAGS target. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-04 15:46:39 +09:30
Rusty Russell
617d21eb43 check-anchor-scriptsigs: dump out anchor tx if scriptsigs make expected tx. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-04 14:15:51 +09:30
Rusty Russell
67f98fe6b6 Rename "anchor sig" to "anchor scriptsigs" to be clearer. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-04 12:10:01 +09:30
Rusty Russell
c291d19af6 Add check-commit-sig. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-02 14:28:59 +09:30
Rusty Russell
07c7214edb Explicit pubkey structure. 
This checks that the protobuf is the right form, also handles uncompressed
keys (though you shouldn't be using those any more, should you?)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-02 11:53:59 +09:30
Rusty Russell
c04d20e019 commit_tx: new file containing logic to create initial commitment transaction. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-30 20:44:00 +09:30
Rusty Russell
bf38ca052e open-commit-sig: create signature for commit tx. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-30 20:12:14 +09:30
Rusty Russell
63986e5b2d Rename perturb to permute. 
Perturb is a bit stretched for this, permute is better.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-30 20:12:14 +09:30
Rusty Russell
f43cdf085a Move anchor creation out into its own file. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-30 20:12:14 +09:30
Rusty Russell
10133575b9 leak-anchor-sigs: the horrible hack until we have normalized txs. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-30 20:12:14 +09:30
Rusty Russell
670670f138 open-anchor-sig, many fixes for open-channel. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-29 10:51:16 +09:30
Rusty Russell
81ac81e699 Rename openchannel to open-channel. 
Since I'm about to write create-anchor, which definitely needs a separator.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-26 14:14:19 +09:30
Rusty Russell
1c4fdce514 Initial silly cmdline util to create an openchannel packet. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-05-26 14:08:38 +09:30