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Rusty Russell
1075264c66 close_tx: initialize fee and input amount fields. 
Required for alpha.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:55:11 +09:30
Rusty Russell
90e4160862 test.sh: handle appended amounts in transactions. 
cut -d: -f1 gets just the transactions, or passed through if no ":".

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:55:11 +09:30
Rusty Russell
ae31431168 tx: centralize transaction writing, append amounts for alpha. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:55:11 +09:30
Rusty Russell
5dc9cd16f9 create-steal-tx: actually output the steal tx, not the commit tx! 
... Which reveals it wasn't paying a fee.  So update fix that, and
initialize the alpha tx fields while we're there.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:55:03 +09:30
Rusty Russell
9851436d4d test.sh: restore --steal and --unilateral options 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-07-01 16:27:52 +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
1d82bf51fc signature: fix invalid S check. 
The even-S check was based on https://github.com/sipa/bitcoin/commit/a81cd9680
which was replaced by a low-S check in commit e0e14e43d9586409e42919f6cb955540134cda2a

Abstract out and fix the check.

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
fbe63124f6 Move DER encoding into bitcoin/signature.c 
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
27e7c7b986 scripts/setup.sh: setup helper script. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-30 12:58:49 +09:30
Rusty Russell
783aa35aa6 Make test.sh inputs script arguments. 
Hardcoding my defaults isn't useful.  Even for me.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-30 12:54:48 +09:30
Rusty Russell
f38382fd3c test.sh: handle variances in bitcoin-cli formatting. 
In particular, there may or may not be a space between "pubkey" and :.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-30 12:34:35 +09:30
Rusty Russell
8f4426e09b scripts: move to scripts/ subdir, prepare for alpha. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-30 12:08:18 +09:30
Rusty Russell
61737a79d2 Fix typo. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-25 13:48:05 +09:30
Rusty Russell
4e9b0f1951 Actually commit the README.md. 
Oops.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-24 16:19:00 +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
143e7e032c Optimize revocable output a little. 
Both paths do CHECKSIG, do that outside.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-23 16:05:09 +09:30
Rusty Russell
733e655d17 getinput.sh: abstract out bitcoin-cli command. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-23 16:03:14 +09:30
Rusty Russell
0666265b5e HOWTO-USE.md: poor documentation for poor tools. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 14:54:27 +09:30
Rusty Russell
98b1d478b1 test-cli: remove obsolete examples from program headers. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 14:38:48 +09:30
Rusty Russell
d4a6fb8b2d Add test script. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 14:37:19 +09:30
Rusty Russell
924be8456e create-commit-spend-tx: fix locktime, take into account updates. 
We were using o2's locktime instead of o1's, and we didn't take
into account updates.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 14:36:25 +09:30
Rusty Russell
a700a5cdca create-commit-tx: allow creation of initial opening tx. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 14:32:48 +09:30
Rusty Russell
fb036399eb LICENSE: Make MIT licensing clear. 
ccan/opt is GPLv2, so the test-cli utils are GPLv2, but they're temporary.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 13:30:39 +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
92ec2f874b pkt: add pkt_totlen() helper. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 13:06:33 +09:30
Rusty Russell
77387bb370 test-cli/create-commit-spend-tx: don't endian convert script_len. 
That's done in mashalling and hashing code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 13:06:33 +09:30
Rusty Russell
6389dbd455 protocol: restore locktime in blocks option. 
This could be used by an always-on node to agressively shorten their timeouts.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 13:06:33 +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
9f12b72476 Don't include mutual redemption in recovable commit tx output. 
It's not clear it's needed, and without it there's a good reason to
delay dumping to the blockchain if a node becomes unreachable (since
you'll get your money faster if it comes back online).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:41:30 +09:30
Rusty Russell
ef9463f6b1 Sort include lines (ignoring hacky cli test utils). 
Put ccan first, openssl next, then standard headers, then locals.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:41:28 +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
5776c7a9d8 Update .gitignore 
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
28ea518182 create-steal-tx: use o1 to double-check final key is correct. 
It's actually an unused parameter, but they symmetry with others in nice.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-12 12:35:41 +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
96585e1b00 create-steal-tx: fix it. 
Couldn't be tested until we could generate updates; fixed now.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-10 21:39:55 +09:30
Rusty Russell
975a5b2041 scriptsig_p2sh_2of2: fix sig order. 
Must match key order, which we permute.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-10 21:39:55 +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
9caf2c71e8 close-channel / create-close-tx: take into account updates. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-06-09 14:29:04 +09:30
Rusty Russell
a4517f27c7 Fix 2015-06-09 14:13:27 +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
2bd967af35 update-channel-accept: check their signature is valid. 
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