b1700b1a91
protocol: non-HTLC commit tx outputs are p2wpkh
This is changes the payments to either party to be p2wpkh.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
8dce2e77f7
script: 2of2 witness support.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
410fc3b272
misc: remove some unused functions.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
d9c4960f33
bitcoin/script: support for creating p2sh-p2wpkh.
We want this because P2SH is something we can tell bitcoind to pay to;
we can't (yet?) do that with "raw" P2WPKH.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
af080d5613
bitcoin/script: helper to create ScriptCode for signing P2WPKH.
sign_tx_input() now takes a witness_script arg: P2WPKH doesn't really
have a witness_script, but for signing it behaves as if it does.
This helper constructs that "fake" witness_script.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
8104886503
Remove Alpha support.
I had already disabled it, and this clears the decks for Segregated Witness
which gives us everything we want.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
b6943b9198
protocol: remove support for uncompressed pubkeys.
There's no good reason to support them, and this way every key is 33 bytes.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
c1d1b360bf
daemon: add memcheck() in various places where we expect things to be initialized.
This just causes valgrind to warn sooner.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
6750794667
Use #if instead of #ifdef (we already use -Wundef).
This avoids embarassing typos in future.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
9aa0eac814
bitcoin: hand in a secp256k1_context to all routines.
We don't want to re-create them internally, ever.
The test-cli tools are patched to generate them all the time, but
they're not performance critical.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
9ebbe16b1e
source cleanup: sort include lines into alpha order
This makes merging easier in future.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
4b02c6f558
locktime: nice abstractions for absolute and relative locktimes.
I got confused navigating these, especially since Alpha and Bitcoin
have diverged (BIP68 was proposed after Elements Alpha).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
4e23f9916d
script: encode numbers minimally.
This happens for CSV, for example (3-byte encoding), and bitcoind treats
too-long encodings as non-standard.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
242fa1b2dd
pubkey: pubkey_eq helper.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
58a62e782d
bitcoin/script: don't pass value for HTLC script.
We don't need it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
08ae4a687d
script: HTLC support.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
cf3433a0ad
script: add OP_CHECKLOCKTIMEVERIFY.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
0170ad4abd
script: add add_push_le32 helper.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
8f0140c542
script: remove now-unnecessary 2of2 ops.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
11099d738f
script: dual anchor input support.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
aa79887d79
script: use the normalized delay script form for commit output.
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>
9 years ago
d053181b0b
script: add standard routines for secret-or-timedelay outputs.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
8f64eb90af
Switch over to CCAN's ripemd160.
Avoids handing naked u8 arrays around, too.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
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>
9 years ago
fbe63124f6
Move DER encoding into bitcoin/signature.c
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
143e7e032c
Optimize revocable output a little.
Both paths do CHECKSIG, do that outside.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
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>
9 years ago
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>
9 years ago
442f321585
Move protobuf<->bitcoin converters out of bitcoin/
They're lightning-specific.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
9 years ago
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>
9 years ago
975a5b2041
scriptsig_p2sh_2of2: fix sig order.
Must match key order, which we permute.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
16baa1dae9
create-commit-spend-tx: spend the commit tx (after timeout)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
114b7afbe2
bitcoin_script: fix bug in complex anchor redeem script.
We need to pop off the stack after OP_CHECKSEQUENCEVERIFY.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
3a4d8cd282
bitcoin_script: use OP_NOP dummy for now, as bitcoind rejects OP_NOP3
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
3c7e11fd65
bitcoin_script: DER correctly when we have leading zeroes.
Happens one in 128 times, I guess...
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
126192a842
create-steal-tx: get my money back!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
e1532ce044
bitcoin_script: get rid of scriptpubkey_pay_to_pubkeyhash.
We no longer generate any pay-to-pubkeys.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
cbad9a1fa5
bitcoin_script: remember to push extra 0 for OP_CHECKMULTISIG.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
769d2fd722
bitcoin_script: fix out-by-one error in multisig.
Was using 3 instead of 2. OP_LITERAL() was a bad idea anyway,
as it would only handle numbers up to 16 (and we use 32).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
17c56a8cfc
Fix DER encoding.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
abac31072e
open-anchor-scriptsig: use pubkey, not addr in scriptsig.
Oops.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
3ed87c5e6f
anchor: fix anchor production for RIPEMD hash.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
c291d19af6
Add check-commit-sig.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
316f29cb69
bitcoin_script: wean entirely off protobuf types.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
f911b2b6df
Use pubkey structures in bitcoin_script, rather than protobufs.
This ensures we do checking beforehand, and keeps abstractions clear.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
eec612af9f
Use raw 64-byte signatures in protocol.
DER encoding introduces problems for non-canonical encodings; we should
do that only at the lightning<->bitcoin interface.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
64b443dcd9
Add doubts on me & you sig on commit transaction.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
bf38ca052e
open-commit-sig: create signature for commit tx.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
949c8c8d67
Fix redeem-2of2 script.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
670670f138
open-anchor-sig, many fixes for open-channel.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
10 years ago
Rusty Russell