In particular, it reassured me that the ammag obfuscation step occurs
even for the initial failmsg creator.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
I actually hit this very hard to reproduce race: if we haven't process
the channeld message when block #6 comes in, we won't send the gossip
message. We wait for logs, but don't generate new blocks, and timeout
on l1.daemon.wait_for_log('peer_out WIRE_ANNOUNCEMENT_SIGNATURES').
The solution, which also tests that we don't send announcement signatures
immediately, is to generate a single block, wait for CHANNELD_NORMAL,
then (in gossip tests), generate 5 more.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Since we have a simple way to query the database for UTXOs we can
simplify some of the coin selection logic. That gets rid of the
in-memory list of UTXOs.
Not the nicest code, but it allows us to store the bip32_max_index so
that we don't forget our addresses upon restart. We could have done
the same by retrieving the max index from our index, but then we'd
forget addresses that don't have an associated output. Conversion
to/from string is so that we can store arbitrary one off values in the
DB in the future, independent of type.
The format we use to generate marshal/unmarshal code is from
the spec's tools/extract-formats.py which includes the offset:
we don't use it at all, so rather than having manually-calculated
(and thus probably wrong) values, or 0, emit it altogther.
Reported-by: Christian Decker
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We use this to make it send the funding_signed message, rather than having
the master daemon do it (which was even more hacky). It also means it
can handle the crypto, so no need for the packet to be handed up encrypted,
and also make --dev-disconnect "just work" for this packet.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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>
Valgrind error file: /tmp/lightning-8k06jbb3/test_disconnect/lightning-7/valgrind-errors
==32307== Uninitialised byte(s) found during client check request
==32307== at 0x11EBAD: memcheck_ (mem.h:247)
==32307== by 0x11EC18: towire (towire.c:14)
==32307== by 0x11EF19: towire_short_channel_id (towire.c:92)
==32307== by 0x12203E: towire_channel_update (gen_peer_wire.c:918)
==32307== by 0x1148D4: send_channel_update (channel.c:185)
==32307== by 0x1175C5: peer_conn_broken (channel.c:1010)
==32307== by 0x13186F: destroy_conn (poll.c:173)
==32307== by 0x13188F: destroy_conn_close_fd (poll.c:179)
==32307== by 0x13B279: notify (tal.c:235)
==32307== by 0x13B721: del_tree (tal.c:395)
==32307== by 0x13BB3A: tal_free (tal.c:504)
==32307== by 0x130522: io_close (io.c:415)
==32307== Address 0xffefff87d is on thread 1's stack
==32307== in frame #2, created by towire_short_channel_id (towire.c:88)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This is simpler than passing back and forth, for the moment at least. That
means we don't need to ask for a new one on reconnect.
This partially reverts the gossip handling in openingd, since it no longer
passes the gossip fd back. We also close it when peer is freed, so it
needs initializing to -1.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We can go to release a gossip peer, and it can fail at the same time.
We work around the problem that the reply must be a gossipctl_release_peer_reply
with two fds, but it's not pretty.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Internally the dns code has the ability to try connecting to multiple
addresses in a sequence. Expose this, as we'll want it for reconnection.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We kill the existing connection if possible; this may mean simply
forgetting the prior peer altogether if it's in an early state.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Instead, send it the funding_signed message; it can watch, save to
database, and send it.
Now the openingd fundee path is a simple request and response, too.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Simplifies state machine. Master still has to calculate the tx to get
the signature and broadcast, but now the opening daemon funding path
is a simple request/response.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We want to use it in peer_control to generate the transaction, but we
really only need the funding_pubkey.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Like the fd, it's only useful when the peer is not in a daemon, so we
free & NULL it when that happens.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We steal it when we're closing connection, but we normally want to forget
it if connection just dies.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
1. We explicitly assert what state we're coming from, to make transitions
clearer.
2. Every transition has a state, even between owners while waiting for HSM.
3. Explictly step though getting the HSM signature on the funding tx
before starting channeld, rather than doing it in parallel: makes
states clearer.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We need to do this on every connection, whether reconnecting or not,
so it makes sense for the handshake daemon to handle it and return
the feature fields.
Longer term I'm considering having the handshake daemon handle the
listening and connecting, and simply hand the fds back once the peers
are ready.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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>
Rusty Russell
Christian Decker