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4 years agoSeal the features contexts 2019-12-flat-features
Matt Corallo [Wed, 8 Jan 2020 00:21:17 +0000 (19:21 -0500)]
Seal the features contexts

4 years agoMove features into a separate module out of msgs.
Matt Corallo [Mon, 6 Jan 2020 22:54:02 +0000 (17:54 -0500)]
Move features into a separate module out of msgs.

4 years agoRefactor features a bit more to describe what the constructors do
Matt Corallo [Mon, 13 Jan 2020 18:52:23 +0000 (13:52 -0500)]
Refactor features a bit more to describe what the constructors do

The Features::new() method is nonsense and doesn't describe what
features were being set - we introduce an empty() and supported()
constructors instead.

4 years agoFix Feature endianness by swapping bytes on read/write.
Matt Corallo [Mon, 13 Jan 2020 18:50:29 +0000 (13:50 -0500)]
Fix Feature endianness by swapping bytes on read/write.

The spec is a bit mum on feature endianness, so I suppose it falls
under the "everything is big endian unless otherwise specified"
clause, but we were treating it as little.

4 years agoRelay/store channel/node announces w/ unknown req'd feature bits
Matt Corallo [Tue, 24 Dec 2019 18:08:33 +0000 (13:08 -0500)]
Relay/store channel/node announces w/ unknown req'd feature bits

This change was made in the flat features BOLT PR, as if a channel
requires some unknown feature bits we should still rumor it, we just
shouldn't route through it.

4 years agoImplement Flat Features
Matt Corallo [Mon, 23 Dec 2019 22:52:58 +0000 (17:52 -0500)]
Implement Flat Features

This merges local and global features into one struct, which is
parameterized by where it appers. The parameterization restricts
which queries can be made and which features can be set, in line
with the latest BOLT 9.

Closes #427.

4 years agoMerge pull request #439 from TheBlueMatt/2020-01-398-fixups
Matt Corallo [Mon, 6 Jan 2020 03:59:03 +0000 (03:59 +0000)]
Merge pull request #439 from TheBlueMatt/2020-01-398-fixups

398 with nits fixed.

4 years agoDrop Result for ChannelMessageHandler methods 2020-01-398-fixups
Antoine Riard [Tue, 5 Nov 2019 23:51:05 +0000 (18:51 -0500)]
Drop Result for ChannelMessageHandler methods

Simplify interfaces between ChannelMessageHandler and PeerManager,
by switching all ChannelMessageHandler errors to HandleError sent
internally instead of being return. With further refactors in Router
and PeerChannelEncryptor, errors management on the PeerManager-side
won't be splitted between try_potential_handleerror and HandleError
processing.

Inside ChannelManager, we now log MsgHandleErrInternal and send
ErrorAction to PeerManager.

On a high-level, it should allow client using API to be more flexible
by polling events instead of waiting function call returns.

We also update handle_error macro to take channel_state_lock from
caller which should avoid some deadlock potential for some edges
cases.

Filter out IgnoreError in handle_error macro, update test in
consequence.

4 years agoAdd assert_log method to TestLogger to harden test
Antoine Riard [Mon, 30 Dec 2019 22:30:27 +0000 (17:30 -0500)]
Add assert_log method to TestLogger to harden test

Extend mock Node with logger.

4 years agoMerge pull request #437 from Aleru/new-api-ping
Matt Corallo [Sun, 5 Jan 2020 17:49:12 +0000 (17:49 +0000)]
Merge pull request #437 from Aleru/new-api-ping

New API for ping generation

4 years agoNew API for ping generation
Aleru [Fri, 20 Sep 2019 15:16:45 +0000 (11:16 -0400)]
New API for ping generation

New API for generating pings

4 years agoMerge pull request #420 from TheBlueMatt/2019-12-chan-ext-signer
Matt Corallo [Sat, 28 Dec 2019 17:50:09 +0000 (17:50 +0000)]
Merge pull request #420 from TheBlueMatt/2019-12-chan-ext-signer

Remove signing from Channel

4 years agoSign local HTLC transactions at broadcast-time, instead of generate 2019-12-chan-ext-signer
Matt Corallo [Fri, 13 Dec 2019 19:56:57 +0000 (14:56 -0500)]
Sign local HTLC transactions at broadcast-time, instead of generate

4 years agoMake ChannelMonitor sign local transactions (at broadcast time)
Matt Corallo [Fri, 13 Dec 2019 06:58:08 +0000 (01:58 -0500)]
Make ChannelMonitor sign local transactions (at broadcast time)

4 years agoSet basic channel info in chanmon all at once, add a bit more info
Matt Corallo [Thu, 12 Dec 2019 19:56:28 +0000 (14:56 -0500)]
Set basic channel info in chanmon all at once, add a bit more info

4 years agoDrop duplicative current-local-tx storage in channel.
Matt Corallo [Fri, 13 Dec 2019 03:42:08 +0000 (22:42 -0500)]
Drop duplicative current-local-tx storage in channel.

We now have current-local-tx broadcast ability in channel monitors
directly (for ChannelManager deserialization), so we can just use
that instead of always having the Channel store signed ready-to-go
copies of the latest local commitment transaction.

This is further kinda nice since ChannelMonitor is live and can, eg
broadcast HTLC-Success transactions immediately as they will be
generated at broadcast time instead of in advance.

Finally, this lets us clean up a tiny bit in Channel.

4 years agoFix parameter name incorrectly changed in 4ebe64fafd2ca0e17aab31fb0
Matt Corallo [Tue, 24 Dec 2019 17:01:26 +0000 (12:01 -0500)]
Fix parameter name incorrectly changed in 4ebe64fafd2ca0e17aab31fb0

4 years agoMerge pull request #426 from TheBlueMatt/2019-12-bad-lifetimes
Matt Corallo [Sat, 21 Dec 2019 00:35:10 +0000 (00:35 +0000)]
Merge pull request #426 from TheBlueMatt/2019-12-bad-lifetimes

Remove unused lifetimes.

4 years agoRemove unused lifetimes. 2019-12-bad-lifetimes
Matt Corallo [Fri, 20 Dec 2019 19:53:16 +0000 (14:53 -0500)]
Remove unused lifetimes.

f71518365f61a5fe2a0340953ad6592c0d2b72cc added a series of lifetimes
which were required for an earlier version of the patch but not the
final version. They can be freely removed.

4 years agoMerge pull request #419 from TheBlueMatt/2019-12-simple-signer-api-step
Matt Corallo [Fri, 13 Dec 2019 22:04:53 +0000 (22:04 +0000)]
Merge pull request #419 from TheBlueMatt/2019-12-simple-signer-api-step

Few more simple signer API additions

4 years agoUse external key signer to generate closing transaction signatures 2019-12-simple-signer-api-step
Matt Corallo [Fri, 13 Dec 2019 06:57:45 +0000 (01:57 -0500)]
Use external key signer to generate closing transaction signatures

4 years agoSign channel_announcements via a new ChannelKeys API
Matt Corallo [Sat, 7 Dec 2019 22:54:55 +0000 (17:54 -0500)]
Sign channel_announcements via a new ChannelKeys API

4 years agoUse EnforcingChannelKeys in fuzz targets to get more coverage
Matt Corallo [Fri, 6 Dec 2019 19:08:34 +0000 (14:08 -0500)]
Use EnforcingChannelKeys in fuzz targets to get more coverage

4 years agoMerge pull request #404 from TheBlueMatt/2019-11-signer-api
Matt Corallo [Thu, 12 Dec 2019 18:01:46 +0000 (18:01 +0000)]
Merge pull request #404 from TheBlueMatt/2019-11-signer-api

Replace keys API with Signer API to support hardware wallets eventually

4 years agoMerge pull request #417 from TheBlueMatt/2019-12-ver-bump
Matt Corallo [Thu, 12 Dec 2019 16:45:18 +0000 (16:45 +0000)]
Merge pull request #417 from TheBlueMatt/2019-12-ver-bump

Bump to 0.0.10

4 years agoBump versions to 0.0.10 2019-12-ver-bump
Matt Corallo [Wed, 11 Dec 2019 20:41:39 +0000 (15:41 -0500)]
Bump versions to 0.0.10

4 years agoBump bitcoin dep to 0.21
Matt Corallo [Wed, 11 Dec 2019 20:41:24 +0000 (15:41 -0500)]
Bump bitcoin dep to 0.21

4 years agoPre-build fuzz targets at once in travis instead of as we need them
Matt Corallo [Wed, 11 Dec 2019 23:17:03 +0000 (18:17 -0500)]
Pre-build fuzz targets at once in travis instead of as we need them

4 years agoDocument more current security assumption of KeysInterface 2019-11-signer-api
Antoine Riard [Tue, 10 Dec 2019 20:04:53 +0000 (15:04 -0500)]
Document more current security assumption of KeysInterface

Improve some comments of interface methods.

4 years agoMake commitment transaction signing a part of ChannelKeys.
Matt Corallo [Wed, 27 Nov 2019 21:08:48 +0000 (16:08 -0500)]
Make commitment transaction signing a part of ChannelKeys.

This adds a new fn to ChannelKeys which is called when we generte
a new remote commitment transaction for signing. While it may be
theoretically possible to unwind state updates by disconnecting and
reconnecting as well as making appropriate state machine changes,
the effort required to get it correct likely outweighs the UX cost
of "preflighting" the requests to hardwre wallets.

4 years agoMake ChannelKeys an API and template Channel with it.
Matt Corallo [Tue, 26 Nov 2019 21:46:33 +0000 (16:46 -0500)]
Make ChannelKeys an API and template Channel with it.

Instead of having in-memory access to the list of private keys
associated with a channel, we should have a generic API which
allows us to request signing, allowing the user to store private
keys any way they like.

The first step is the (rather mechanical) process of templating
the entire tree of ChannelManager -> Channel impls by the
key-providing type. In a later commit we should expose only public
keys where possible.

4 years agoBump versions to 0.0.10
Matt Corallo [Wed, 11 Dec 2019 20:41:39 +0000 (15:41 -0500)]
Bump versions to 0.0.10

4 years agoBump bitcoin dep to 0.21
Matt Corallo [Wed, 11 Dec 2019 20:41:24 +0000 (15:41 -0500)]
Bump bitcoin dep to 0.21

4 years agoMerge pull request #416 from TheBlueMatt/2019-12-fuzz-clib
Matt Corallo [Wed, 11 Dec 2019 22:06:46 +0000 (22:06 +0000)]
Merge pull request #416 from TheBlueMatt/2019-12-fuzz-clib

Refactor fuzzing to be a C-callable library plus rust binaries

4 years agoRefactor fuzzing to be a C-callable library plus rust binaries 2019-12-fuzz-clib
Matt Corallo [Wed, 11 Dec 2019 18:18:43 +0000 (13:18 -0500)]
Refactor fuzzing to be a C-callable library plus rust binaries

This should help us avoid rust's at-load syscalls by calling the
tests from a C program.

4 years agoMerge pull request #414 from TheBlueMatt/2019-12-347-nits
Matt Corallo [Wed, 11 Dec 2019 19:50:52 +0000 (19:50 +0000)]
Merge pull request #414 from TheBlueMatt/2019-12-347-nits

347 with travis fix and a few nits.

4 years agoAvoid cloning RBF state when we just want to modify fields. 2019-12-347-nits
Matt Corallo [Tue, 10 Dec 2019 20:38:04 +0000 (15:38 -0500)]
Avoid cloning RBF state when we just want to modify fields.

4 years agoAdd test_bump_txn_sanitize_tracking_maps
Antoine Riard [Tue, 10 Dec 2019 22:25:27 +0000 (17:25 -0500)]
Add test_bump_txn_sanitize_tracking_maps

Extend test visibility of claim-tracking maps to do so.

Cover both "If 2 claimable-outpoint-spending txn are in 1 block,
clean up properly" and "Clean up claimable_outpoints when
pending_claim_requests is cleaned" fix commits in same patchset.

4 years agoSanitize pending_claim_requests if no more outpoints to claim
Antoine Riard [Tue, 10 Dec 2019 20:45:30 +0000 (15:45 -0500)]
Sanitize pending_claim_requests if no more outpoints to claim

4 years agoDont RBF a tx twice if it hits RBF timer when one input is spent
Matt Corallo [Tue, 10 Dec 2019 17:06:50 +0000 (12:06 -0500)]
Dont RBF a tx twice if it hits RBF timer when one input is spent

4 years agoClean up claimable_outpoints when pending_claim_requests is cleaned
Matt Corallo [Tue, 10 Dec 2019 03:51:36 +0000 (22:51 -0500)]
Clean up claimable_outpoints when pending_claim_requests is cleaned

When claimable_outpoints was introduced in "Move
our_claim_txn_waiting_first_conf to pending_claim_requests", removal
of elements from it (which are just pointers into
pending_claim_requests) was never added.

4 years agoIf 2 claimable-outpoint-spending txn are in 1 block, clean up properly
Matt Corallo [Tue, 10 Dec 2019 03:17:31 +0000 (22:17 -0500)]
If 2 claimable-outpoint-spending txn are in 1 block, clean up properly

This resolves an issue where we will never track 2 on-chain events
which are waiting for ANTI_REORG_DELAY at the same height.

This partially reverts and fixes "Move our_claim_txn_waiting_first_conf
to pending_claim_requests".

4 years agoLog block tick in ChannelMonitor
Antoine Riard [Tue, 10 Dec 2019 21:28:33 +0000 (16:28 -0500)]
Log block tick in ChannelMonitor

4 years agoCorrect input comparison for input-subset RBF bump creation
Matt Corallo [Tue, 10 Dec 2019 03:14:47 +0000 (22:14 -0500)]
Correct input comparison for input-subset RBF bump creation

This resolves a regression introduced in "Implement bumping engine in
ChannelMonitor::block_connected" in which not all inputs are checked.
Several opportunities to clarify and clean up comments are also taken.

Fix test_bump_penalty_txn_on_revoked_htlcs as now remote claim txn
build the same way than us are going to be register as cleaning
pending_claim_request after ANTI_REORG_DELAY. It means during this
delay we are going to generate invalid bumped claiming txn on
already claimed outpoints. Previously these txn weren't issued
because all their outpoints would have been removed.

Fix full_stack_target by adding more input for FuzzEstimator

4 years agoDont forget RBF previous-feerate info if tx size changed.
Matt Corallo [Mon, 9 Dec 2019 22:22:02 +0000 (17:22 -0500)]
Dont forget RBF previous-feerate info if tx size changed.

While our fee may change wildly (or even go down), the previous
fee *rate* is still valid, and we should use that as the basis for
our RBF.

4 years agoAdd test_set_outpoints_partial_claiming
Antoine Riard [Fri, 6 Dec 2019 21:01:41 +0000 (16:01 -0500)]
Add test_set_outpoints_partial_claiming

4 years agoTrack and react to remote partial-claiming of pending claim request
Antoine Riard [Mon, 9 Dec 2019 21:59:08 +0000 (16:59 -0500)]
Track and react to remote partial-claiming of pending claim request

A pending claim request may contain a set of multiple outpoints.
If one or multiple of them get claimed by remote party, our in-flight
claiming transactions aren't valid anymore so we need to react
quickly and regenerate claiming transaction with accurate set.

However, a claimed outpoint may be disconnected and we need to resurrect
back outpoint among set of orignal pending claim request.

To guarantee consistency of contentious claimed outpoint we cache it
as OnchainEvent::ContentionsOutpoint and only delete it after
ANTI_REORG_DELAY.

Fix test broken by change, partial claiming on revoked txn
force us to regenerate txn

4 years agoAdd test_bump_penalty_txn_on_remote_commitment
Antoine Riard [Sat, 7 Dec 2019 01:51:51 +0000 (20:51 -0500)]
Add test_bump_penalty_txn_on_remote_commitment

4 years agoAdd test_bump_penalty_txn_on_revoked_htlcs
Antoine Riard [Sat, 7 Dec 2019 01:51:36 +0000 (20:51 -0500)]
Add test_bump_penalty_txn_on_revoked_htlcs

4 years agoAdd test_bump_penalty_txn_on_revoked_commitment
Antoine Riard [Tue, 2 Jul 2019 21:39:55 +0000 (17:39 -0400)]
Add test_bump_penalty_txn_on_revoked_commitment

Test multiple rounds of 25% heuristic in bump_claim_tx on remote revoked commitment
txn with htlcs pending in both directions.

4 years agoAdd RBF-bumping of preimage/timeout txn on remote HTLC outputs
Antoine Riard [Wed, 3 Jul 2019 14:26:17 +0000 (10:26 -0400)]
Add RBF-bumping of preimage/timeout txn on remote HTLC outputs

Given they are only signed by us we can RBF at wish

Fix tests broken by introduction of more txn broadcast
(channel_monitor_network_test)

Add locktime in RemoteHTLC as it's needed to generate
timeout txn.

4 years agoImplement bumping engine in ChannelMonitor::block_connected
Antoine Riard [Tue, 2 Jul 2019 19:52:58 +0000 (15:52 -0400)]
Implement bumping engine in ChannelMonitor::block_connected

Add RBF-bumping of justice txn, given they are only signed by us we
can RBF at wish.

Aggregation of bump-candidates and more aggresive bumping heuristics
are left open

Fix tests broken by introduction of more txn broadcast.
Some tests may have a relaxed check (claim_htlc_ouputs_single_tx)
as broadcast bumped txn are now interwining in previous broadcast ones
and breaking simple expectations

Use bumping engine to rebuild claiming transaction in case of partial-
claim of its outpoints set.

4 years agoRemove superflous pending_claims
Antoine Riard [Tue, 10 Dec 2019 03:18:41 +0000 (22:18 -0500)]
Remove superflous pending_claims

As local onchain txn are already monitored in block_connected by
check_spend_local_transaction, it's useless to generate twice
pending claims for HTLC outputs on local commitment tx.

We could do the alternative.

4 years agoMove our_claim_txn_waiting_first_conf to pending_claim_requests
Antoine Riard [Tue, 10 Dec 2019 03:18:20 +0000 (22:18 -0500)]
Move our_claim_txn_waiting_first_conf to pending_claim_requests

Add claimable_outpoints maps.

Both structures are tied and should ensure their mutual consistency.

Pending_claim_requests is cached by original claim txid. Medatada
and per input material should be constant between bumped transactions,
only change should be partial-claiming of outpoints set and block
reorgs.

Due to RBF rules, if an input has been part of an aggregate tx
at first claim try, if we want the bumped tx to land nicely
in the mempool, inputs should be distributed in multiple
bumped tx but still be aggregate in a new bumped tx.

4 years agoAdd log_trace on bump candidates tracking-buffer insertions
Antoine Riard [Thu, 4 Jul 2019 20:09:19 +0000 (16:09 -0400)]
Add log_trace on bump candidates tracking-buffer insertions

4 years agoAdd MIN_RELAY_FEE_SAT_PER_1000_WEIGHT
Antoine Riard [Tue, 19 Nov 2019 20:53:52 +0000 (15:53 -0500)]
Add MIN_RELAY_FEE_SAT_PER_1000_WEIGHT

Hardcode min relay fee as its value is fixed on the bitcoin network
and updating it would be done really conservatively.

4 years agoMerge pull request #413 from TheBlueMatt/2019-12-381-nits
Matt Corallo [Mon, 9 Dec 2019 21:41:53 +0000 (21:41 +0000)]
Merge pull request #413 from TheBlueMatt/2019-12-381-nits

381 with a few nits resolved.

4 years agoDocument the default values of configs 2019-12-381-nits
Steven Roose [Thu, 5 Dec 2019 20:29:16 +0000 (20:29 +0000)]
Document the default values of configs

4 years agoChange the new() functions for config to Default::default()
Steven Roose [Fri, 18 Oct 2019 13:19:49 +0000 (14:19 +0100)]
Change the new() functions for config to Default::default()

4 years agoMerge pull request #403 from TheBlueMatt/2019-11-rand-onion
Matt Corallo [Tue, 3 Dec 2019 19:37:34 +0000 (19:37 +0000)]
Merge pull request #403 from TheBlueMatt/2019-11-rand-onion

Randomize initial onion packet data.

4 years agoRandomize initial onion packet data. 2019-11-rand-onion
Matt Corallo [Mon, 25 Nov 2019 21:12:45 +0000 (16:12 -0500)]
Randomize initial onion packet data.

This avoids at least the trivial hop count discovery attack, though
other obvious ones remain and are slightly harder to avoid.

See https://github.com/lightningnetwork/lightning-rfc/pull/697

4 years agoMerge pull request #405 from TheBlueMatt/2019-11-cleanups
Matt Corallo [Sat, 30 Nov 2019 04:00:45 +0000 (04:00 +0000)]
Merge pull request #405 from TheBlueMatt/2019-11-cleanups

Misc Cleanups

4 years agoMerge pull request #407 from TheBlueMatt/2019-11-396-english
Matt Corallo [Sat, 30 Nov 2019 04:00:27 +0000 (04:00 +0000)]
Merge pull request #407 from TheBlueMatt/2019-11-396-english

#396 with a few english fixes

4 years agoUpdate comments to be a bit more descriptive and fix english a bit 2019-11-396-english
Matt Corallo [Sat, 30 Nov 2019 01:38:03 +0000 (20:38 -0500)]
Update comments to be a bit more descriptive and fix english a bit

4 years agoAdd test_announce_disable_channels
Antoine Riard [Mon, 18 Nov 2019 05:43:49 +0000 (00:43 -0500)]
Add test_announce_disable_channels

4 years agoAdd timer_chan_freshness_every_min
Antoine Riard [Mon, 18 Nov 2019 05:43:13 +0000 (00:43 -0500)]
Add timer_chan_freshness_every_min

Latency/peer disconnection may trigger us to mark as disabled
some of our channels. After some time, if channels are still
disabled we need to broadcast ChannelUpdate to inform other network
peers about the uselessness of these channels.

4 years agoAdd UpdateStatus in Channel to track freshness of gossiped liveness.
Antoine Riard [Fri, 29 Nov 2019 06:39:33 +0000 (01:39 -0500)]
Add UpdateStatus in Channel to track freshness of gossiped liveness.

Added enum and method are only used in next commit.

4 years agoFix add_update_monitor check to unwrap() instead of an unused bool 2019-11-cleanups
Matt Corallo [Tue, 26 Nov 2019 20:39:50 +0000 (15:39 -0500)]
Fix add_update_monitor check to unwrap() instead of an unused bool

4 years agoMove test profile to crate root, so it has effect again
Matt Corallo [Thu, 28 Nov 2019 06:19:54 +0000 (01:19 -0500)]
Move test profile to crate root, so it has effect again

4 years agoAdd dyn tags in fuzz_targets
Matt Corallo [Mon, 25 Nov 2019 21:26:31 +0000 (16:26 -0500)]
Add dyn tags in fuzz_targets

We only support newish rust in fuzz_targets, so this is fine.

4 years agoMerge pull request #401 from ariard/2019-11-log-tx-broadcast
Matt Corallo [Mon, 25 Nov 2019 22:39:48 +0000 (22:39 +0000)]
Merge pull request #401 from ariard/2019-11-log-tx-broadcast

Add log for every tx broadcast

4 years agoAdd log for every tx broadcast
Antoine Riard [Fri, 22 Nov 2019 22:44:30 +0000 (17:44 -0500)]
Add log for every tx broadcast

Added macro log_tx in macro_logger.rs

4 years agoMerge pull request #399 from TheBlueMatt/2019-11-fuzz-top-level
Matt Corallo [Mon, 25 Nov 2019 21:19:23 +0000 (21:19 +0000)]
Merge pull request #399 from TheBlueMatt/2019-11-fuzz-top-level

Move fuzz to top level.

4 years agoMove fuzz to top level. 2019-11-fuzz-top-level
Matt Corallo [Fri, 22 Nov 2019 20:40:58 +0000 (15:40 -0500)]
Move fuzz to top level.

5 years agoMerge pull request #389 from valentinewallace/split-chain-watch-interface
Matt Corallo [Fri, 22 Nov 2019 18:26:44 +0000 (18:26 +0000)]
Merge pull request #389 from valentinewallace/split-chain-watch-interface

remove circular references in channelmanager and channelmonitor

5 years agochaininterface+multi: add filter_block and reentered to ChainWatchInterface
Valentine Wallace [Mon, 18 Nov 2019 21:40:05 +0000 (16:40 -0500)]
chaininterface+multi: add filter_block and reentered to ChainWatchInterface

Because filter_block takes a  and returns a list of s , we must add a lifetime to the ChainWatchInterface, which bubbles up in a lot of places. These places include adding a lifetime  to the Node struct, which causes a lot of rearranging tests so that variables don't go out of scope before the Node that owns them does.

5 years agochaininterface: add BlockNotifier struct
Valentine Wallace [Sat, 9 Nov 2019 01:12:13 +0000 (20:12 -0500)]
chaininterface: add BlockNotifier struct

Adding this struct will allow us to remove the circular reference
between ChainListeners and the ChainWatchInterface, because it
separates out the responsibility of notifying listeners about new
blocks from the responsibility of storing and retrieving watched
transactions.

5 years agomulti: remove listeners field and method from ChainWatchInterface
Valentine Wallace [Sat, 9 Nov 2019 01:12:13 +0000 (20:12 -0500)]
multi: remove listeners field and method from ChainWatchInterface

This includes the purpose of this PR, which is to remove the circular reference created by ChainListeners self-adding themselves to their ChainWatchInterface's `listeners` field.

5 years agoMerge pull request #397 from ariard/2019-11-doc-announce-sigs
Matt Corallo [Thu, 21 Nov 2019 03:11:46 +0000 (03:11 +0000)]
Merge pull request #397 from ariard/2019-11-doc-announce-sigs

Doc announce_sigs

5 years agoExtend test for announcement_sigs
Antoine Riard [Tue, 19 Nov 2019 23:03:05 +0000 (18:03 -0500)]
Extend test for announcement_sigs

5 years agoDocument our handling of announcement_sigs
Antoine Riard [Tue, 19 Nov 2019 22:48:22 +0000 (17:48 -0500)]
Document our handling of announcement_sigs

We may have in the future to rebroadcast announcement_sigs at
peer reconnection if this a burning issue as spec lacks
a acknowledgement mechanism.

5 years agoMerge pull request #379 from rrybarczyk/use-workspaces
Matt Corallo [Tue, 19 Nov 2019 01:52:13 +0000 (01:52 +0000)]
Merge pull request #379 from rrybarczyk/use-workspaces

Use workspaces to separate crates

5 years agoMerge branch 'master' of github.com:rust-bitcoin/rust-lightning into use-workspaces
RJ Rybarczyk [Mon, 18 Nov 2019 23:51:21 +0000 (23:51 +0000)]
Merge branch 'master' of github.com:rust-bitcoin/rust-lightning into use-workspaces

5 years agoUpdate travis file to accommodate workspaces
RJ Rybarczyk [Mon, 18 Nov 2019 22:01:34 +0000 (22:01 +0000)]
Update travis file to accommodate workspaces

5 years agoMerge pull request #395 from ariard/2019-11-expected-amt-claim-funds
Matt Corallo [Mon, 18 Nov 2019 23:08:33 +0000 (23:08 +0000)]
Merge pull request #395 from ariard/2019-11-expected-amt-claim-funds

Avoid probing attacks with same hash lower amounts

5 years agoAdd test_check_htlc_underpaying
Antoine Riard [Mon, 18 Nov 2019 04:52:49 +0000 (23:52 -0500)]
Add test_check_htlc_underpaying

5 years agoCheck expected amount in claim_funds
Antoine Riard [Thu, 14 Nov 2019 23:50:24 +0000 (18:50 -0500)]
Check expected amount in claim_funds

Require to specify expected amount so that we can claim only
payment for thhe correct amount, and reject payments for incorrect
amounts (which are probably middle nodes probing to break our privacy).

Send back incorrect_or_unknown_payments_details (PERM|15) to avoid
the probe node learning that final node is waiting a payment with
the routed hash.

5 years agoMerge branch 'master' of github.com:rust-bitcoin/rust-lightning into use-workspaces
RJ Rybarczyk [Mon, 18 Nov 2019 19:44:55 +0000 (19:44 +0000)]
Merge branch 'master' of github.com:rust-bitcoin/rust-lightning into use-workspaces

5 years agoMerge pull request #394 from TheBlueMatt/2019-11-broken-build
Matt Corallo [Fri, 15 Nov 2019 22:47:34 +0000 (22:47 +0000)]
Merge pull request #394 from TheBlueMatt/2019-11-broken-build

Fix broken build

5 years agoDrop needless mut 2019-11-broken-build
Matt Corallo [Fri, 15 Nov 2019 22:19:46 +0000 (17:19 -0500)]
Drop needless mut

5 years agoFix build broken by silent merge conflicts
Matt Corallo [Fri, 15 Nov 2019 22:19:26 +0000 (17:19 -0500)]
Fix build broken by silent merge conflicts

5 years agoMerge pull request #393 from ariard/2019-11-send-cmt-error-handling
Matt Corallo [Fri, 15 Nov 2019 21:58:37 +0000 (21:58 +0000)]
Merge pull request #393 from ariard/2019-11-send-cmt-error-handling

Fulfill error handling for send_commitment in processing htlcs forward

5 years agoMerge pull request #390 from ariard/2019-11-consistent-errors
Matt Corallo [Fri, 15 Nov 2019 21:57:36 +0000 (21:57 +0000)]
Merge pull request #390 from ariard/2019-11-consistent-errors

Make field error of ErrorPacket (former HandleError) mandatory

5 years agoMerge pull request #392 from ariard/2019-11-manager-init-height
Matt Corallo [Fri, 15 Nov 2019 21:38:04 +0000 (21:38 +0000)]
Merge pull request #392 from ariard/2019-11-manager-init-height

Add init height in ChannelManager constructor

5 years agoMake field error of LightingError mandatory
Antoine Riard [Tue, 5 Nov 2019 00:54:43 +0000 (19:54 -0500)]
Make field error of LightingError mandatory

We also fulfilled last empty ErrorAction:
- Router secp fail : IgnoreError
- processing error in Router : IgnoreError
- get_channel_update too early : IgnoreError

5 years agoAdd init height in ChannelManager constructor
Antoine Riard [Thu, 14 Nov 2019 22:41:17 +0000 (17:41 -0500)]
Add init height in ChannelManager constructor

5 years agoMerge pull request #391 from ariard/2019-11-fix-preimage-collision-onchain
Matt Corallo [Fri, 15 Nov 2019 19:20:43 +0000 (19:20 +0000)]
Merge pull request #391 from ariard/2019-11-fix-preimage-collision-onchain

Avoid claiming remote received HTLCs with side-learned preimage

5 years agoUse workspaces to separate crates
RJ Rybarczyk [Fri, 15 Nov 2019 02:44:30 +0000 (02:44 +0000)]
Use workspaces to separate crates

5 years agoFulfill error handling for send_commitment in processing htlcs forward
Antoine Riard [Thu, 14 Nov 2019 23:27:47 +0000 (18:27 -0500)]
Fulfill error handling for send_commitment in processing htlcs forward

5 years agoAdd test_duplicate_htlc_different_direction_onchain
Antoine Riard [Wed, 13 Nov 2019 00:33:27 +0000 (19:33 -0500)]
Add test_duplicate_htlc_different_direction_onchain