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214 Commits

Author SHA1 Message Date
Rusty Russell
9b1d240c1f lightningd: --dev-disconnect support. 
We use a file descriptor, so when we consume an entry, we move past it
(and everyone shares a file offset, so this works).

The file contains packet names prefixed by - (treat fd as closed when
we try to write this packet), + (write the packet then ensure the file
descriptor fails), or @ ("lose" the packet then ensure the file
descriptor fails).

The sync and async peer-write functions hook this in automatically.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>



Header from folded patch 'test-run-cryptomsg__fix_compilation.patch':

test/run-cryptomsg: fix compilation.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-05-25 14:24:47 +09:30
Rusty Russell
f6495d3310 lightningd/peer_control: don't create peer struct until we've connected. 
We currently create a peer struct, then complete handshake to find out
who it is.  This means we have a half-formed peer, and worse: if it's
a reconnect we get two peers the same.

Add an explicit 'struct connection' for the handshake phase, and
construct a 'struct peer' once that's done.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-05-25 14:24:47 +09:30
Rusty Russell
34e6e56471 lightningd: introduce peer_state enum. 
The actual state names are place holders for now, really.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-05-25 14:24:47 +09:30
Christian Decker
09b31624f0 sphinx: Creating copy of sphinx for new daemon 
Keeping both the legacy daemon and the new daemon happy with the
restructure is a lot of work, so we just don't do it :-)
 2017-04-28 13:40:43 +09:30
Rusty Russell
8f358b7a91 lightningd: add dev_ping command for channeld. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-25 22:00:28 +02:00
Rusty Russell
d5be8d26f2 lightningd/ping: ping support. 
A spec update brings ping support.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-04-25 22:00:28 +02:00
Christian Decker
b18eaf8e1c pay: Makefile was missing a header file 2017-04-04 12:27:07 +09:30
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
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
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
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
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
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
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
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
cf6d25cad6 lightningd/connection: rename to lightningd/daemon_conn 
To match the structure name.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-20 07:50:53 +10:30
Rusty Russell
4bf398c4e7 status: move into lightningd/status. 
It's really a lightningd-only thing, and we're about to do surgery on it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-20 07:50:53 +10:30
Christian Decker
74df755a29 gossip: Added nested message types for getnodes query 
Added a struct that represents a single entry in a `getnodes` reply,
so that we can append one after the other and parse them again on the
other side.
 2017-03-15 21:32:55 +01:00
Christian Decker
408d2f5170 Async connection abstraction 
This is an attempt at unifying all the async connection handling into
a reusable module.
 2017-03-13 11:26:48 +01:00
Rusty Russell
da5c7e0a08 daemon/subdaemon: remove in favor of daemon/subd. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-11 07:19:41 +10:30
Rusty Russell
95f41287f0 lightningd/subd: new code for subdaemons. 
This uses a single fd for both status and control.

To make this work, we enforce the convention that replies are the same
as requests + 100, and that their name ends in "_REPLY".

This also means that various daemons can simply exit when done; there's
no race between reading request and closing status fds.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-10 21:45:55 +10:30
Rusty Russell
cd62b74b1c lightningd/msg_queue: helper for queues of messages/ 
Since they're short, we use a simple array.  This can be replaced later.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-10 21:45:55 +10:30
Rusty Russell
9035d281c6 lightningd/lightningd: hook in channel daemon. 
Doesn't do much yet except wait for funding confirmation.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-07 12:01:43 +10:30
Rusty Russell
9014f2593e lightningd/channel: normal operation daemon. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-07 11:56:12 +10:30
Rusty Russell
c64447a929 lightningd/derive_basepoints: hoist derivation logic. 
All the daemons will use a common seed for point derivation, so drag
it out of lightningd/opening.

This also provide a nice struct wrapper to reduce argument count.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-07 11:37:06 +10:30
Rusty Russell
6a14e24a82 lightningd: integrate bitcoind. 
This allows us to broadcast transactions and watch for them.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-07 11:26:38 +10:30
Rusty Russell
e6efcdf5bd daemon/bitcoind: wean off struct lightningd_state. 
We want to use this in the new daemon, so use 'struct bitcoind'
everywhere.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-02 22:51:49 +10:30
Rusty Russell
9aebd5c797 lightningd: add opening to dependencies. 
Without this, make check doesn't rebuild opening subdaemon.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-03-02 22:51:49 +10:30
Rusty Russell
fd258fe495 lightningd: wire up opening daemon. 
Now we can actually open a channel.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-24 16:22:56 +10:30
Rusty Russell
edc30b12ea lightningd: --dev-debugger=<subdaemon> 
Or for blackbox tests --gdb1=<subdaemon> / --gdb2=<subdaemon>.

This makes the subdaemon wait as soon as it's execed, so we can attach
the debugger.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-24 16:22:56 +10:30
Rusty Russell
89af53267b lightningd/peer_failed: helper to send PKT_ERR and exit daemon. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-24 16:22:55 +10:30
Rusty Russell
5475666b7e lightningd: simple wallet support. 
This allows us to add funds via the P2SH-wrapped Segwit Transactions.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-21 15:19:02 +10:30
Rusty Russell
065f11b42a lightningd/opening: opening daemon. 
This conducts the conversation up until we have the txid to wait for
(or broadcast).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-21 15:15:29 +10:30
Rusty Russell
e3f2d72d4d crypto_sync: synchronous routines for inter-peer crypto. 
This is used by the opening daemon, for example.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-21 15:15:29 +10:30
Rusty Russell
891a915e0f hsm: return BIP32 public seed on initialization. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-21 15:15:29 +10:30
Rusty Russell
fddb38126d utxo: wire support for unspent transactions. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-21 15:15:29 +10:30
Rusty Russell
4a7418e3db channel: object to track channel state. 
This object is basically the embodyment of BOLT #2.  Each HTLC already
knows its own state; this moves them between states and keeps them
consistent.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-21 15:15:28 +10:30
Rusty Russell
20a07d860a check-source: include tests, libdir. 
And fix the resulting issues.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-21 15:15:28 +10:30
Rusty Russell
e11d9304ab lightningd/hbtlc_tx: creation of BOLT 3 htlc transactions. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-07 12:14:22 +10:30
Rusty Russell
f9189254e4 lightningd/commit_tx: creation of BOLT 3 commitment transaction. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-07 12:14:22 +10:30
Rusty Russell
b290a96a4a lightningd: use daemon/htlc_state.c 
We're about to need HTLC handling.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-07 12:14:22 +10:30
Rusty Russell
be46fdf254 lightningd/funding_tx.c: helper to create a funding transaction (with change). 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-07 12:14:21 +10:30
Rusty Russell
75c6dd1981 channel_config: convenient structure for handling open/accept config info. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-07 12:14:21 +10:30
Rusty Russell
dc3b27e1d3 key_derive: key derivation from basepoints as specified in BOLT 3 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-02-07 12:14:21 +10:30
Christian Decker
76e2c980e1 gossip: Moving to intmap-based broadcast for the legacy daemon 
Moved the broadcast functionality to broadcast.[ch]. So far this
includes only the enqueuing side of broadcasts, the dequeuing and
actual push to the peer is daemon dependent. This also adds the
broadcast_state to the routing_state and the last broadcast index to
the peer for the legacy daemon.
 2017-02-03 05:52:11 +10:30
Rusty Russell
6bf3c30a10 lightningd/Makefile: fix check-source 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-13 10:51:57 +10:30
Christian Decker
b41d71da30 Makefile: Making sure header vars are populated correctly 
The problem with wire headers not being generated in time before stuff
depended on it turns out to be related with inclusion order of
sub-makefiles. The inclusions must preceed the use of
LIGHTNINGD_HEADERS since they append to that variable.
 2017-01-13 10:50:07 +10:30
Rusty Russell
33748bf119 lightningd/Makefile: combine all headers (wire/gen was missing) 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-11 10:15:27 +10:30
Rusty Russell
73d07ce441 libsodium: use our local submodule. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-11 10:04:26 +10:30
Rusty Russell
3af081aded Makefile: make all lightningd objects depend on all lightningd headers. 
Christian reported that we weren't generating some gen_ files.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-11 09:16:29 +10:30
Rusty Russell
83b156517f lightningd/lightningd: maintain "condition" for each peer. 
This lets us return better messages to the connect json command on failure.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
c536616bee lightningd/lightningd: wire up lightningd_gossip. 
Now we hand peers off to the gossip daemon, to do the INIT handshake and
re-transmit/receive gossip.  They may stay there forever if neither we nor
them wants to open a channel.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
21a5c62ead lightningd_gossip: daemon to look after peers which don't a channel (yet) 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
bf118f1b86 lightningd/lightningd: add connect command. 
Unlike the old daemon, this just connects; a separate command will be needed
to create a channel.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
211491f4d7 lightningd/lightningd: add lightning_handshake. 
Now we do crypto handshake when peer comes in.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
32e1b5bb06 lightningd/handshake: simple daemon to do BOLT 8 crypto handshake. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
0444d68197 lightningd/lightningd: add rpc interface. 
daemon/lightning-cli works with this.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
542e6844f7 lightningd/lightningd: start HSM at initialization time. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
10b8dc5950 lightningd/hsm: simple daemon to control the keys. 
This provides APIs to access the keys.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
89a06734c4 lightningd/cryptomsg: test routines. 
This creates output similar to the BOLT #8 test vectors.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
a7f682c66e lightningd/cryptomsg: routines to encrypt on the wire. 
After the handshake, it's a simple matter of AEAD and key rotation.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
faebb87d01 lightningd/subdaemon: routines to create daemons and get request/response. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:38:33 +10:30
Rusty Russell
8bf33c7839 lightningd/lightningd: daemon for controlling the other daemons. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2017-01-10 15:37:51 +10:30