Rusty Russell
6a5ba591ee
signature: match alpha hashing bug for multiple inputs.
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https://github.com/ElementsProject/elements/issues/37
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-24 16:00:10 +09:30
Rusty Russell
aa79887d79
script: use the normalized delay script form for commit output.
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As documented in the paper; it's also two bytes shorter, and allows
us to use the exact same script for three cases.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-24 16:00:10 +09:30
Rusty Russell
d053181b0b
script: add standard routines for secret-or-timedelay outputs.
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-24 16:00:10 +09:30
Rusty Russell
465c2b04e8
signature: fix -DDEBUG case, add hash printing.
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-24 16:00:10 +09:30
Rusty Russell
8f64eb90af
Switch over to CCAN's ripemd160.
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Avoids handing naked u8 arrays around, too.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-09 15:43:36 +09:30
Rusty Russell
66b1df4036
tx: locktime should be 0.
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It doesn't matter until we start setting sequence numbers properly,
so hasn't been noticed until now.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-03 10:44:44 +09:30
Rusty Russell
ae31431168
tx: centralize transaction writing, append amounts for alpha.
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-07-01 16:55:11 +09:30
Rusty Russell
62a002c860
script: make DER for signature encoding optional.
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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.
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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.
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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.
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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
fbe63124f6
Move DER encoding into bitcoin/signature.c
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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.
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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
61737a79d2
Fix typo.
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-06-25 13:48:05 +09:30
Rusty Russell
602117e8bb
Add valgrind memcheck helpers.
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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.
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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
9f12b72476
Don't include mutual redemption in recovable commit tx output.
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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).
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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
442f321585
Move protobuf<->bitcoin converters out of bitcoin/
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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.
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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
