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Author SHA1 Message Date
Christian Decker
58196b5a32 gossipd: Verify signatures for incoming channel_announcements 2017-04-11 16:56:27 -07:00
Rusty Russell
041accb114 channeld: Passing channel_update to HSM for signing, hand to gossipd. 
Base-on-patch-by: Christian Decker <decker.christian@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-11 16:56:27 -07:00
Rusty Russell
21449650b0 lightningd/hsm: update_signature support. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-11 16:56:27 -07:00
Christian Decker
9c07376dcf channeld: Use local secret to generate bitcoin signature 
This key will eventually migrate to the HSM, but for now it's in the
channeld so we generate the signature there.
 2017-04-11 16:56:27 -07:00
Rusty Russell
20716ad29b channeld: Ask HSM for channel announcement signature 
This is fairly simple: we use synchronous I/O to the HSM.

Based-on: Christian Decker <decker.christian@gmail.com>
 2017-04-11 16:56:27 -07:00
Christian Decker
30934eb2fb hsm: Creating signatures for incoming channel announcement sig reqs 2017-04-11 16:56:27 -07:00
Christian Decker
b41c8e240a hsm: Added channel announcement sig request and reply 
Note this only does the node signature; the channeld itself currently
holds the bitcoin privkey for the funding tx.
 2017-04-11 16:56:27 -07:00
Rusty Russell
fc98d797d2 hsm: new fd type for channeld. 
Instead of reusing HSMFD_ECDH, we have an explicit channeld hsm fd,
which can do ECDH and will soon do channel announce signatures as well.

Based-on: Christian Decker <decker.christian@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-11 16:56:27 -07:00
Christian Decker
218a59d64b Merge pull request #145 from inbitcoin/master 
INSTALL.md: Add 'install' to apt command examples.
 2017-04-10 15:16:58 -07:00
Marco Amadori
3d90176503 INSTALL.md: Add 'install' to apt command examples. 
Signed-off-by: Marco Amadori <marco.amadori@gmail.com>
 2017-04-10 11:43:16 +02:00
Christian Decker
d934e730c3 Merge pull request #143 from rustyrussell/travis 
Travis
 2017-04-04 12:49:41 +02:00
Rusty Russell
c2d093a6dc INSTALL: add python requirements for tests, move asciidoc to devel. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-04 15:32:57 +09:30
Rusty Russell
6f9a7f7aa1 Travis support. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-04 15:27:34 +09:30
Christian Decker
b18eaf8e1c pay: Makefile was missing a header file 2017-04-04 12:27:07 +09:30
Rusty Russell
018c1d932d lightning/pay: fix missing include. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-03 06:07:56 +09:30
Rusty Russell
798c4b73c4 lightningd/htlc_end: fix key for stricter compiler. 
We *should* split the struct into key and data, rather than only comparing
the key parts in the htlc_end_eq function.  But meanwhile, this fixes
the code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-02 09:36:29 +09:30
Rusty Russell
e75309873b lightningd/derive_basepoints.h: one place for 2^48 shachain constant. 
Suggested-by: Christian Decker <decker.christian@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
e2dc10f98d lightningd: pay support. 
The previous code was very tied to the old daemon, so this copies a large
part of it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
f3dbc75eb3 lightningd: send message on HTLC failure, relay to peer. 
We don't do the encryption wrapping we're supposed to do yet.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
1c0b43f04d channel: tell master about the HTLC fulfillment. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
826fb0c2dc lightningd: track HTLC ends. 
This lets us link HTLCs from one peer to another; but for the moment it
simply means we can adjust balance when an HTLC is fulfilled.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
49d97a2fd6 Update wire from spec ed107e4ef019f33a88aa5567adca7fbb944e93af 
This version correctly extracts fields with _ in them, meaning we get
more fields.

Also adds Makefile dependency which I noticed broke the build.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
86da7c3a4d lightningd/channel: send and receive htlc_fulfilled messages. 
Includes a fix for the direction we fulfill.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
2d635a381b lightningd/channel: pass owner, not sender to channel_fulfill_htlc / channel_fail_htlc 
I got this wrong when using them.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
85fd8218e2 lightningd: track channel balance. 
This is an approximate result (it's only our confirmed balance, not showing
outstanding HTLCs), but it gives an easy way to check HTLCs have been
resolved.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
dc562f0533 Makefiles: fix from-scratch parallel build. 
1) Need config.h before wire/gen_ are compiled.
2) The rule to checkout the libbase58 submodule doesn't work, so use the older
   one-depends-on-the-other approach.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
be4af38d0c channel: unwrap and send incoming HTLCs to master. 
So far it just looks it up, marks it resolved, then does nothing.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
8a84e961ed daemon/sphinx: support modern v0 hop payload. 
This just means we put the outgoing_cltv_value where we used to put zeroes.
The old daemon simply ignores this, but the new one should check it as per
BOLT 4.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
fed25cc540 lightningd/subd: add a context to requests. 
If a peer dies, and then we get a reply, that can cause access after free.
The usual way to handle this is to make the request a child of the peer,
but in fact we still want to catch (and disard) it, so it's a little
more complex internally.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
a815500653 lightningd: hand HSM fd to channeld. 
For the moment, it's just to do ECDH to read the onion.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
8146b838e8 daemon/sphinx: split handling. 
We want to use HSM to do the ECDH part, so split that out.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
e36a65a189 lightningd/subd: msgcb return -1 to close channel. 
They can't free it while we're using it, but they can return a value
to close it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
eb61446ec8 daemon/invoice: wean off dstate (a little), link into new daemon. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
d3cbde4b46 lightningd/channel: send and receive revoke_and_ack packets. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
2ddc0b696c lightningd/channel: keep old commit points. 
We need this, to validate that the secret they give us matches it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
27764b65f9 lightningd: fix shachain to be 48-bits, with hack for legacy. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
dd15361935 lightningd/derive_basepoints: helper to increment our per_commit_point. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
8f2c4348a9 lightningd/channel.c: tell if we're still awaiting revoke_and_ack. 
And make sure we don't send another commit if we are.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
3041cd5915 lightningd/channel.c: clearer functions names, better return values. 
We call channel_sent_commit *before* sending (so we know if we need
to), so the name is wrong.  Similarly channel_sent_revoke_and_ack.

We can usefully have them tell is if there is outstanding work to do,
too.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
f83c04fdbe lightningd/channel.c: make callbacks clearly generic 
Passing through 'struct peer *' was a layering violation.

Reported-by: Christian Decker <decker.christian@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
ada1eb5106 lightningd/channel.c: add callbacks for when HTLCs fully committed/removed. 
The three cases we care about only happen on specific transitions:
1. They can no longer spend our failed HTLC: we can fail the source now.
2. They are fully committed to their new HTLC htlc: we can forward now.
3. They can no longer timeout their fulfilled HTLC: the funds are ours.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
82a467f131 lightningd/channel: send and receive update_commit 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
0197353bd9 lightningd/Makefile: put timeout into OLD_LIB_SRC for all daemons. 
And remove the now-redundant mention in gossipd.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
64b50e5cb6 lightningd/channel: handle adding HTLC, generalize handler. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
4839916038 lightningd/cryptomsg: discard unknown odd messages internally. 
This saves all callers having to handle it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
47da80fdca lightningd: dev_newhtlc command. 
For testing point-to-point HTLCs.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
7919279367 lightningd/channel: inter-daemon messages for HTLC handling. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
9b6753173c tools/generate-wire: allow constant multiplier in fields. 
Not just len*u8, but 1254*u8 for explicit fixed-length arrays. 

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
185a649572 lightningd: include daemon/sphinx. 
We're going to need it to make routes.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30
Rusty Russell
075092411e lightningd/channel: generate htlc txs and wscripts as well. 
In practice, this is what we want, either to generate or check signatures.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-01 23:59:46 +10:30