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Author SHA1 Message Date
Rusty Russell
fbe6e9e0cf state: allow multiple SPENDTHEM. 
Malleability, there could be many of these.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
92bb5f03de test_state_coverage: fix dependent events. 
These tests are wrong, and are handled properly anyway when they
fire (the other one is disabled).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
42bf766d64 state: hand tx explicitly to bitcoin_watch / bitcoin_watch_delayed 
Neater than assuming it's effect->broadcast.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
c19839816e test/test_state_coverage: --dump-states 
Simple code to dump the state transitions into text form.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
d88f96de17 test/test_state_coverage: speed up dot diagram generation. 
We don't need a full test for this.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
29f22c165d state: handle simultaneous close. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
066bf1f4e5 test/test_state_coverage: Check for deadlock. 
We should always have a packet in flight unless we're in the two
waiting-for-anchor-to-mature states, or at the top of the main loop.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
642c3e36e3 test/test_state_coverage: Check that it terminates. 
The state machine is infinite, but if we eliminate the normal inner
state loop, and a couple of other unusual cases where inputs can
repeat, we should be able to traverse it all.

This is slower than simply stopping when we hit a repeated state
though.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
786bef9002 test/test_state_coverage: output dot format. 
Good for documentation, plus impressive with all the error states...

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
11f33ad12f test/test_state_coverage: test the case where we decline an HTLC. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
8308e31d6c test/test_state_coverage: ensure we produce all output packets. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
f51e9c81bf test/test_state_coverage: make sure we test all inputs. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
1556315f2e test_state_coverage: simple exhaustive coverage test for state machine. 
Makes sure that we visit every state.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
5730b118f1 Some more ccan objs. 
These are LGPL, but only used for tests.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
847ef21c07 state: Core state machine for lightning. 
It's written in a repetitive and stylized form, for easier testing.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
669479b671 gen_state_names.h: printable names for state_types enums. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
1fca363b31 state_types: types for state machine. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
1b2de5c830 CCAN: add cdump. 
Used to print enums.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
3b0aca81f5 CCAN: update. 
Trivial updae.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:51:18 +09:30
Rusty Russell
f0cab4e74b gather_updates: fix rebase error. 
Didn't update amount field in d00eeded9f.
Didn't compile test either :(

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-25 11:50:24 +09:30
Rusty Russell
8af4619406 Makefile: neaten 
Reduces gratuitous patch conflicts in future.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 15:03:20 +09:30
Rusty Russell
02a563ba82 protocol: renumber. 
Use lower numbers and clean up.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 15:02:54 +09:30
Rusty Russell
fefe2deea2 protocol: add a third leg to the close operation. 
This gives us a neat way to know the other end has received our sig.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 15:02:52 +09:30
Rusty Russell
d00eeded9f protocol: split message update_remove_htlc into update_timedout_htlc and update_routefail_htlc, remove update_remove_htlc_delay. 
For the moment, there's no way to remove an in-progress HTLC before
it's timed out.  The other side can remove it with a routefail, but
you can't push for it to be removed.

We may add that later, but by definition it's only a polited request, and
normally we should rely on timeouts.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 15:02:49 +09:30
Rusty Russell
807ac38308 protocol: add decline response for HTLC. 
We don't have to accept an HTLC they offer; we might not be able to
route it, or it might offer insufficient payment.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 15:02:46 +09:30
Rusty Russell
5bc22f0368 protocol: increase HTLC precision to 1/1000 satoshi. 
This gets truncated for on-chain transactions (thus, rounding may
contribute to fees).

This also means we currently have an upper bound of 0.04 BTC per HTLC;
this can be increased later if required.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 15:00:47 +09:30
Rusty Russell
58a62e782d bitcoin/script: don't pass value for HTLC script. 
We don't need it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 14:56:01 +09:30
Rusty Russell
186736050f test-cli: fix alpha case. 
The output of grep confuses the scripts.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-24 14:41:55 +09:30
Rusty Russell
bc056fbc4d doc/deployable-lightning: point out that Fig 4 is simplified. 
Fixes #4

Reported-by: Pierre <pm+lists@acinq.fr>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-15 04:23:25 +09:30
Rusty Russell
71c56e0360 doc: biblopgraphy update 
Thanks to Anthony Towns for digging this up.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-09-11 10:20:47 +09:30
Rusty Russell
17471d0788 Merge pull request #3 from pm47/master 
explicitely specified proto version
 2015-08-20 13:09:04 +09:30
pm47
d97c68717b explicitely specified proto version 2015-08-19 12:41:18 +02:00
Rusty Russell
785b061034 Merge branch 'pm47-master' 2015-08-19 11:32:39 +09:30
pm47
a97d390128 fixed typos in pdf 2015-08-18 12:03:28 +02:00
Rusty Russell
1cb147c5b8 Version number, name, and build details. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-08 20:45:49 +09:30
Rusty Russell
6883d28f6d doc: move dual anchor with escapes to Appendix B. 
Draft 0.2; we use a single-sided anchor now, for simplicity.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-08 20:43:43 +09:30
Rusty Russell
3311580c62 scripts/test.sh: fix bitcoin case. 
Now we use locktime, bitcoin needs delay too.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-08 15:02:50 +09:30
Rusty Russell
0b33da08c1 scripts: auto-detect alpha vs bitcoin 
A bit hacky, but saves editing two places.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-08 15:02:43 +09:30
Rusty Russell
6cea21750d HOWTO-USE.md: Just refer to test scripts. 
This has fallen behind.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-08 15:01:34 +09:30
Rusty Russell
3b214479ae test-cli/scripts/test.sh: basic HTLC spending test. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 16:20:52 +09:30
Rusty Russell
fcbba0280d test-cli/create-htlc-spend-tx: new util. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 16:20:45 +09:30
Rusty Russell
bafc93886f test-cli/scripts/test.sh: basic HTLC creation test. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 14:15:05 +09:30
Rusty Russell
b5ff69e236 test-cli/update-channel-htlc-remove: new util. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 14:15:01 +09:30
Rusty Russell
9b0ed51f2b test-cli/update-channel-htlc-complete: new util. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 14:14:46 +09:30
Rusty Russell
5778b004dd test-cli/update-channel-htlc: new util. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 14:13:35 +09:30
Rusty Russell
7ed0b461aa commit_tx: add HTLCs. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 14:13:35 +09:30
Rusty Russell
106c447d17 gather_updates: handle HTLC updates. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 14:13:35 +09:30
Rusty Russell
769f9f1cc5 gather_updates: extract some update logic into update_rhash. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 14:13:29 +09:30
Rusty Russell
f0df2b7930 channel_state: add htlcs array. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 12:45:30 +09:30
Rusty Russell
a09c0a9fa7 funding: take into account HTLC add/remove. 
Enhance funding_delta() to have an HTLC delta as well as an A->B delta.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-08-07 12:45:30 +09:30