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2 years agof - Update module docs
Jeffrey Czyz [Mon, 10 Jan 2022 05:59:45 +0000 (23:59 -0600)]
f - Update module docs

2 years agof - Add liquidity_penalty_multiplier_msat parameter
Jeffrey Czyz [Mon, 10 Jan 2022 05:16:55 +0000 (23:16 -0600)]
f - Add liquidity_penalty_multiplier_msat parameter

2 years agoProbabilistic channel scoring
Jeffrey Czyz [Mon, 3 Jan 2022 14:35:19 +0000 (08:35 -0600)]
Probabilistic channel scoring

Add a Score implementation based on "Optimally Reliable & Cheap Payment
Flows on the Lightning Network" by Rene Pickhardt and Stefan Richter[1].
Given the uncertainty of channel liquidity balances, probability
distributions are defined based on knowledge learned from successful and
unsuccessful attempts. Then the negative log of the success probability
is used to determine the cost of routing a specific HTLC amount through
a channel.

[1]: https://arxiv.org/abs/2107.05322

2 years agoEffective channel capacity for router and scoring
Jeffrey Czyz [Wed, 29 Dec 2021 15:56:54 +0000 (09:56 -0600)]
Effective channel capacity for router and scoring

A channel's capacity may be inferred or learned and is used to make
routing decisions, including as a parameter to channel scoring. Define
an EffectiveCapacity for this purpose. Score::channel_penalty_msat takes
the effective capacity (less in-flight HTLCs for the same payment), and
never None. Thus, for hops given in an invoice, the effective capacity
is now considered (near) infinite if over a private channel or based on
learned information if over a public channel.

If a Score implementations needs the effective capacity when updating a
channel's score, i.e. in payment_path_failed or payment_path_successful,
it can access the channel's EffectiveCapacity via the NetworkGraph by
first looking up the channel and then specifying which direction is
desired using ChannelInfo::as_directed.

2 years agoBenchmark zero-penalty scorer
Jeffrey Czyz [Sun, 16 Jan 2022 16:16:19 +0000 (10:16 -0600)]
Benchmark zero-penalty scorer

2 years agoBenchmark router using a scorer seeded with data
Jeffrey Czyz [Mon, 17 Jan 2022 03:07:57 +0000 (21:07 -0600)]
Benchmark router using a scorer seeded with data

Scorers may have different performance characteristics after seeing
failed and successful paths. Seed the scorer with some random data
before executing the benchmark in order to exercise such behavior.

2 years agoAdd first_hops to generate_routes benchmarks
Jeffrey Czyz [Sun, 16 Jan 2022 16:04:11 +0000 (10:04 -0600)]
Add first_hops to generate_routes benchmarks

Passing first_hops to get_route increases the coverage of the benchmark
test. For scorers needing the sending node, it allows for using a single
scorer in the benchmark rather than re-initializing on each iteration.
As a consequence, the scorer can be seeded with success and failure
data.

2 years agoRemove duplicate generate_routes benchmark code
Jeffrey Czyz [Fri, 14 Jan 2022 18:28:30 +0000 (12:28 -0600)]
Remove duplicate generate_routes benchmark code

Refactor generate_routes and generate_mpp_routes into a single utility
for benchmarking. The utility is parameterized with features in order to
test both single path and multi-path routing. Additionally, it is
parameterized with a Score to be used with other scorers.

2 years agoMerge pull request #1234 from tnull/limit_max_cltv_delta
Jeffrey Czyz [Thu, 20 Jan 2022 16:36:22 +0000 (10:36 -0600)]
Merge pull request #1234 from tnull/limit_max_cltv_delta

Limit maximum CLTV delta during routing

2 years agoMerge pull request #1248 from naveensrinivasan/naveen/feat/update-readme
Matt Corallo [Thu, 20 Jan 2022 16:34:01 +0000 (16:34 +0000)]
Merge pull request #1248 from naveensrinivasan/naveen/feat/update-readme

Docs: Updated README to include crates information

2 years agoLimit maximum total CLTV expiry delta during routing.
Elias Rohrer [Thu, 20 Jan 2022 15:00:00 +0000 (16:00 +0100)]
Limit maximum total CLTV expiry delta during routing.

2 years agoDocs: Updated README to include crates information
naveen [Tue, 18 Jan 2022 02:43:45 +0000 (02:43 +0000)]
Docs: Updated README to include crates information

Included crates information into README.

2 years agoMerge pull request #1258 from lightningdevkit/dependabot/cargo/hex-0.4
valentinewallace [Wed, 19 Jan 2022 18:19:59 +0000 (13:19 -0500)]
Merge pull request #1258 from lightningdevkit/dependabot/cargo/hex-0.4

Update hex requirement from 0.3 to 0.4

2 years agoFixed some typos
Elias Rohrer [Wed, 19 Jan 2022 17:15:47 +0000 (18:15 +0100)]
Fixed some typos

2 years agoUpdate hex requirement from 0.3 to 0.4
dependabot[bot] [Tue, 18 Jan 2022 22:05:49 +0000 (22:05 +0000)]
Update hex requirement from 0.3 to 0.4

Updates the requirements on [hex](https://github.com/KokaKiwi/rust-hex) to permit the latest version.
- [Release notes](https://github.com/KokaKiwi/rust-hex/releases)
- [Commits](https://github.com/KokaKiwi/rust-hex/compare/v0.3...v0.4.3)

---
updated-dependencies:
- dependency-name: hex
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
2 years agoMerge pull request #1243 from naveensrinivasan/naveensrinivasan/dependabot
Arik Sosman [Tue, 18 Jan 2022 22:04:38 +0000 (14:04 -0800)]
Merge pull request #1243 from naveensrinivasan/naveensrinivasan/dependabot

Enable Dependabot

2 years agoCreate dependabot.yml
Naveen [Mon, 17 Jan 2022 01:32:04 +0000 (19:32 -0600)]
Create dependabot.yml

Signed-off-by: naveen <172697+naveensrinivasan@users.noreply.github.com>
2 years agoMerge pull request #1249 from tnull/fix_compile_warnings
valentinewallace [Tue, 18 Jan 2022 16:18:05 +0000 (11:18 -0500)]
Merge pull request #1249 from tnull/fix_compile_warnings

Fix compiler warning during building/testing.

2 years agoFix unused return warning for 'transmute_copy'.
Elias Rohrer [Tue, 18 Jan 2022 13:45:43 +0000 (14:45 +0100)]
Fix unused return warning for 'transmute_copy'.

2 years agoMerge pull request #1238 from TheBlueMatt/2022-01-lockorder-checks
Matt Corallo [Fri, 14 Jan 2022 16:59:42 +0000 (16:59 +0000)]
Merge pull request #1238 from TheBlueMatt/2022-01-lockorder-checks

Fix and test lockorder

2 years agoCheck lockorders in tests with a trivial lockorder tracker 2022-01-lockorder-checks
Matt Corallo [Thu, 13 Jan 2022 01:00:43 +0000 (01:00 +0000)]
Check lockorders in tests with a trivial lockorder tracker

2 years agoMerge pull request #1229 from lightning-signer/2021-12-htlc-anchor-sighashtype
Matt Corallo [Fri, 14 Jan 2022 04:10:14 +0000 (04:10 +0000)]
Merge pull request #1229 from lightning-signer/2021-12-htlc-anchor-sighashtype

anchors: Fix SigHashType and weight calculations for anchors

2 years agoFixed comment on weight_received_htlc
Ken Sedgwick [Thu, 13 Jan 2022 02:29:05 +0000 (18:29 -0800)]
Fixed comment on weight_received_htlc

2 years agoSet opt_anchors for calls to CommitmentTransaction::new_with_auxiliary_htlc_data
Ken Sedgwick [Thu, 13 Jan 2022 01:10:07 +0000 (17:10 -0800)]
Set opt_anchors for calls to CommitmentTransaction::new_with_auxiliary_htlc_data

2 years agoAdd anchor tests to outbound_commitment_test
Ken Sedgwick [Tue, 4 Jan 2022 22:53:44 +0000 (14:53 -0800)]
Add anchor tests to outbound_commitment_test

2 years agoDebit funder's output to cover anchors
Ken Sedgwick [Wed, 5 Jan 2022 00:05:28 +0000 (16:05 -0800)]
Debit funder's output to cover anchors

2 years agoConvert HTLC_{SUCCESS,TIMEOUT}_TX_WEIGHT to anchor-aware functions
Ken Sedgwick [Wed, 5 Jan 2022 21:40:08 +0000 (13:40 -0800)]
Convert HTLC_{SUCCESS,TIMEOUT}_TX_WEIGHT to anchor-aware functions

2 years agoConvert COMMITMENT_TX_BASE_WEIGHT to anchor-aware function
Ken Sedgwick [Tue, 4 Jan 2022 23:54:54 +0000 (15:54 -0800)]
Convert COMMITMENT_TX_BASE_WEIGHT to anchor-aware function

2 years agoAdd unit test coverage for package::weight_{offered,received}_htlc
Ken Sedgwick [Sun, 2 Jan 2022 23:00:54 +0000 (15:00 -0800)]
Add unit test coverage for package::weight_{offered,received}_htlc

2 years agomake WEIGHT{_REVOKED,}_{OFFERED,RECEIVED}_HTLC functions with opt_anchors parameter
Ken Sedgwick [Fri, 31 Dec 2021 20:21:22 +0000 (12:21 -0800)]
make WEIGHT{_REVOKED,}_{OFFERED,RECEIVED}_HTLC functions with opt_anchors parameter

2 years agoIsolated channelmonitor weight unit tests and added anchor loops
Ken Sedgwick [Fri, 31 Dec 2021 16:47:38 +0000 (08:47 -0800)]
Isolated channelmonitor weight unit tests and added anchor loops

2 years agoSet the SigHashType of remote htlc signatures w/ anchors to SinglePlusAnyoneCanPay
Ken Sedgwick [Wed, 29 Dec 2021 04:37:20 +0000 (20:37 -0800)]
Set the SigHashType of remote htlc signatures w/ anchors to SinglePlusAnyoneCanPay

2 years agoFix some (non-bug) lock-order-inversions in tests
Matt Corallo [Thu, 13 Jan 2022 01:51:29 +0000 (01:51 +0000)]
Fix some (non-bug) lock-order-inversions in tests

2 years agoMake lockorder consistent in channelmanager
Matt Corallo [Wed, 12 Jan 2022 19:58:08 +0000 (19:58 +0000)]
Make lockorder consistent in channelmanager

This resolves a lockorder inversion in
`ChannelManager::finalize_claims` where `pending_outbound_payments`
is locked after `pending_events`, opposite of, for example, the
lockorder in `ChannelManager::fail_htlc_backwards_internal` where
`pending_outbound_payments` is locked at the top of the
`HTLCSource::OutboundRoute` handling and then `pending_events` is
locked at the end.

2 years agoMerge pull request #1013 from TheBlueMatt/2021-07-warning-msgs
Matt Corallo [Tue, 11 Jan 2022 22:52:44 +0000 (22:52 +0000)]
Merge pull request #1013 from TheBlueMatt/2021-07-warning-msgs

2 years agoRely on Error/Warning message data lengths being correct 2021-07-warning-msgs
Matt Corallo [Fri, 7 Jan 2022 20:11:31 +0000 (20:11 +0000)]
Rely on Error/Warning message data lengths being correct

In https://github.com/lightning/bolts/pull/950, the (somewhat
strange) requirement that error messages be handled even if the
length field is set larger than the size of the package was
removed. Here we change the code to drop the special handling for
this, opting to just fail to read the message if the length is
incorrect.

2 years agoSend `warning` instead of `error` when we incounter bogus gossip
Matt Corallo [Fri, 7 Jan 2022 20:30:50 +0000 (20:30 +0000)]
Send `warning` instead of `error` when we incounter bogus gossip

2 years agoConvert `shutdown` invalid script checks to warning messages
Matt Corallo [Thu, 30 Sep 2021 22:45:07 +0000 (22:45 +0000)]
Convert `shutdown` invalid script checks to warning messages

As required by the warning messages PR, we should simply warn our
counterparty in this case and let them try again, continuing to try
to use the channel until they tell us otherwise.

2 years agoSend warning messages when appropriate in gossip handling pipeline
Matt Corallo [Thu, 22 Jul 2021 16:06:33 +0000 (16:06 +0000)]
Send warning messages when appropriate in gossip handling pipeline

2 years agoHandle sending and receiving warning messages
Matt Corallo [Thu, 22 Jul 2021 16:05:48 +0000 (16:05 +0000)]
Handle sending and receiving warning messages

2 years agoAdd a new `WarningMessage` message to send and receive warnings
Matt Corallo [Thu, 22 Jul 2021 15:25:13 +0000 (15:25 +0000)]
Add a new `WarningMessage` message to send and receive warnings

2 years agoMerge pull request #1230 from lightning-signer/2021-01-invoice-bech32-dep
Matt Corallo [Mon, 10 Jan 2022 18:34:40 +0000 (18:34 +0000)]
Merge pull request #1230 from lightning-signer/2021-01-invoice-bech32-dep

Do not turn on bech32/std by default for lightning-invoice

2 years agoDo not turn on bech32/std by default for lightning-invoice
Devrandom [Sun, 9 Jan 2022 11:26:14 +0000 (12:26 +0100)]
Do not turn on bech32/std by default for lightning-invoice

2 years agoMerge pull request #1223 from lightning-signer/2021-12-invoice-nostd
Matt Corallo [Thu, 6 Jan 2022 19:25:36 +0000 (19:25 +0000)]
Merge pull request #1223 from lightning-signer/2021-12-invoice-nostd

Adapt lightning-invoice to no_std

2 years agoAdapt lightning-invoice to no_std
Devrandom [Wed, 22 Dec 2021 16:43:25 +0000 (17:43 +0100)]
Adapt lightning-invoice to no_std

2 years agoMerge pull request #1226 from TheBlueMatt/2022-01-bindings-no-std
Matt Corallo [Wed, 5 Jan 2022 21:01:06 +0000 (21:01 +0000)]
Merge pull request #1226 from TheBlueMatt/2022-01-bindings-no-std

Support building `cfg=c_bindings` with `no-std`

2 years agoSupport building `cfg=c_bindings` with `no-std` 2022-01-bindings-no-std
Matt Corallo [Tue, 4 Jan 2022 22:34:15 +0000 (22:34 +0000)]
Support building `cfg=c_bindings` with `no-std`

This will be needed for JavaScript bindings eventually.

2 years agoMerge pull request #1220 from TheBlueMatt/2021-12-stale-update-gossip-log
Matt Corallo [Mon, 3 Jan 2022 19:54:20 +0000 (19:54 +0000)]
Merge pull request #1220 from TheBlueMatt/2021-12-stale-update-gossip-log

Log gossip rejections due to stale channel_updates at GOSSIP level

2 years agoMerge pull request #1225 from hackerrdave/update-repo-lightningdevkit
Matt Corallo [Wed, 29 Dec 2021 19:57:05 +0000 (19:57 +0000)]
Merge pull request #1225 from hackerrdave/update-repo-lightningdevkit

update repo name to use lightningdevkit

2 years agoupdate repo name to use lightningdevkit
hackerrdave [Mon, 27 Dec 2021 03:53:16 +0000 (22:53 -0500)]
update repo name to use lightningdevkit

2 years agoMerge pull request #1218 from TheBlueMatt/2021-12-minor-bindings-tweaks
Matt Corallo [Sun, 19 Dec 2021 23:55:09 +0000 (23:55 +0000)]
Merge pull request #1218 from TheBlueMatt/2021-12-minor-bindings-tweaks

Minor Bindings Tweaks

2 years agoLog gossip rejections due to stale channel_updates at GOSSIP level 2021-12-stale-update-gossip-log
Matt Corallo [Sun, 19 Dec 2021 20:13:38 +0000 (20:13 +0000)]
Log gossip rejections due to stale channel_updates at GOSSIP level

This further reduces noise at the TRACE level during initial gossip
sync.

2 years agoSwap around generic argument ordering in InvoicePayer for bindings 2021-12-minor-bindings-tweaks
Matt Corallo [Sat, 18 Dec 2021 19:52:11 +0000 (19:52 +0000)]
Swap around generic argument ordering in InvoicePayer for bindings

The bindings generation really should support generic bounds other
than Deref::Target in where clauses, but currently does not. To
avoid needing to add support during the current release process,
we simply swap around the arguments to move them to the first <>
instead of the where.

2 years agoAdd a C-not exported tag to `NetGraphMsgHandler.network_graph`
Matt Corallo [Sat, 18 Dec 2021 03:43:34 +0000 (03:43 +0000)]
Add a C-not exported tag to `NetGraphMsgHandler.network_graph`

2 years agoAdd a constructor to MultiThreadedLockableScore
Matt Corallo [Sat, 18 Dec 2021 03:38:15 +0000 (03:38 +0000)]
Add a constructor to MultiThreadedLockableScore

...as otherwise the struct is rather useless.

2 years agoMerge pull request #1217 from TheBlueMatt/2021-12-0.0.104 v0.0.104
Matt Corallo [Fri, 17 Dec 2021 23:30:54 +0000 (23:30 +0000)]
Merge pull request #1217 from TheBlueMatt/2021-12-0.0.104

Cut 0.0.104

2 years agoSwap around generic argument ordering in DefaultRouter for bindings 2021-12-0.0.104
Matt Corallo [Fri, 17 Dec 2021 22:38:46 +0000 (22:38 +0000)]
Swap around generic argument ordering in DefaultRouter for bindings

The bindings generation really should support default generic types
in where clauses, but currently does not. To avoid needing to add
support during the current release process, we simply swap around
the arguments to move them to the first <> instead of the where.

2 years agoBump versions to 0.0.104/invoice 0.12
Matt Corallo [Fri, 17 Dec 2021 21:28:24 +0000 (21:28 +0000)]
Bump versions to 0.0.104/invoice 0.12

2 years agoUpdate CHANGELOG for 0.0.104
Matt Corallo [Fri, 17 Dec 2021 01:49:39 +0000 (01:49 +0000)]
Update CHANGELOG for 0.0.104

2 years agoMerge pull request #1216 from valentinewallace/2021-12-preimage-getter
Matt Corallo [Fri, 17 Dec 2021 17:34:47 +0000 (17:34 +0000)]
Merge pull request #1216 from valentinewallace/2021-12-preimage-getter

Add utility for retrieving an LDK payment preimage

2 years agoRemove trailing whitespace in the FeeEstimator interface
Matt Corallo [Fri, 17 Dec 2021 00:32:28 +0000 (00:32 +0000)]
Remove trailing whitespace in the FeeEstimator interface

2 years agoinbound_payment: Add utility to get payment preimage given hash/secret
Valentine Wallace [Mon, 13 Dec 2021 23:40:16 +0000 (18:40 -0500)]
inbound_payment: Add utility to get payment preimage given hash/secret

User-requested feature

2 years agoinbound_payment: DRY verify method for use in getting preimage
Valentine Wallace [Mon, 13 Dec 2021 22:36:09 +0000 (17:36 -0500)]
inbound_payment: DRY verify method for use in getting preimage

in the next commit(s)

2 years agocreate_inbound_payment: warn about dup hashes
Valentine Wallace [Fri, 17 Dec 2021 00:27:13 +0000 (16:27 -0800)]
create_inbound_payment: warn about dup hashes

Leftover feedback from #1177

2 years agoSalt inbound payment ExpandedKey
Valentine Wallace [Fri, 17 Dec 2021 00:24:24 +0000 (16:24 -0800)]
Salt inbound payment ExpandedKey

Leftover feedback from #1177

2 years agoMerge pull request #1177 from valentinewallace/2021-11-derivable-payment-secret
Matt Corallo [Fri, 17 Dec 2021 00:15:24 +0000 (00:15 +0000)]
Merge pull request #1177 from valentinewallace/2021-11-derivable-payment-secret

Stop storing pending inbound payment data; instead make it derivable on receive

2 years agoAdd new invoice CreationError::InvalidAmount for use in checking `create_inbound_payment`
Valentine Wallace [Thu, 9 Dec 2021 22:41:33 +0000 (17:41 -0500)]
Add new invoice CreationError::InvalidAmount for use in checking `create_inbound_payment`

in an invoice creation utility. Note that if the error type of `create_inbound_payment` ever
changed, we'd be forced to update the invoice utility's callsite to handle the new error

2 years agoDrop need to store pending inbound payments
Valentine Wallace [Tue, 30 Nov 2021 00:59:18 +0000 (19:59 -0500)]
Drop need to store pending inbound payments

and replace payment_secret with encrypted metadata

See docs on `inbound_payment::verify` for details

Also add min_value checks to all create_inbound_payment* methods

2 years agoAdd get_single_block to chacha20 module
Valentine Wallace [Tue, 30 Nov 2021 00:36:59 +0000 (19:36 -0500)]
Add get_single_block to chacha20 module

In the next commit, we'll want to get a single block from a chacha stream that
takes a 16-byte nonce.

2 years agoMacro-ize checking that the total value of an MPP's parts is sane
Valentine Wallace [Mon, 22 Nov 2021 21:53:18 +0000 (16:53 -0500)]
Macro-ize checking that the total value of an MPP's parts is sane

This DRY-ed code will be used in upcoming commits when we stop storing inbound
payment data

2 years agoAdd get_inbound_payment_key_material to KeysInterface
Valentine Wallace [Mon, 29 Nov 2021 17:50:47 +0000 (12:50 -0500)]
Add get_inbound_payment_key_material to KeysInterface

This will allow us to retrieve key material for encrypting/decrypting inbound
payment info, in upcoming commits

2 years agoMerge pull request #1212 from TheBlueMatt/2021-12-timeout-graph
Matt Corallo [Thu, 16 Dec 2021 23:04:00 +0000 (23:04 +0000)]
Merge pull request #1212 from TheBlueMatt/2021-12-timeout-graph

Add a method to prune stale channels from NetworkGraph

2 years agoAutomatically prune NetworkGraph of stale channels hourly in BP 2021-12-timeout-graph
Matt Corallo [Wed, 15 Dec 2021 18:59:15 +0000 (18:59 +0000)]
Automatically prune NetworkGraph of stale channels hourly in BP

2 years agoReject channel_update messages with timestamps too old or new
Matt Corallo [Tue, 14 Dec 2021 01:33:37 +0000 (01:33 +0000)]
Reject channel_update messages with timestamps too old or new

Because we time out channel info that is older than two weeks now,
we should also reject new channel info that is older than two
weeks, in addition to rejecting future channel info.

2 years agoAdd a method to prune stale channels from `NetworkGraph`
Matt Corallo [Fri, 10 Dec 2021 06:46:29 +0000 (06:46 +0000)]
Add a method to prune stale channels from `NetworkGraph`

We define "stale" as "haven't heard an updated channel_update in
two weeks", as described in BOLT 7.

We also filter out stale channels at write-time for `std` users, as
we can look up the current time.

2 years agoDrop `allow_wallclock_use` feature in favor of simply using `std`
Matt Corallo [Fri, 10 Dec 2021 05:57:30 +0000 (05:57 +0000)]
Drop `allow_wallclock_use` feature in favor of simply using `std`

Fixes #1147.

2 years agoDRY up network_graph tests substantially with message creation fns
Matt Corallo [Wed, 15 Dec 2021 22:38:13 +0000 (22:38 +0000)]
DRY up network_graph tests substantially with message creation fns

2 years agoMerge pull request #1214 from TheBlueMatt/2021-12-fix-tokio-msrv-bump
Matt Corallo [Thu, 16 Dec 2021 17:44:21 +0000 (17:44 +0000)]
Merge pull request #1214 from TheBlueMatt/2021-12-fix-tokio-msrv-bump

2 years agoBuild no-std on 1.47 now that core2 supports it 2021-12-fix-tokio-msrv-bump
Matt Corallo [Thu, 16 Dec 2021 02:21:48 +0000 (02:21 +0000)]
Build no-std on 1.47 now that core2 supports it

2 years agoPin tokio to 1.14.0 in CI for older rustc's
Matt Corallo [Thu, 16 Dec 2021 02:10:09 +0000 (02:10 +0000)]
Pin tokio to 1.14.0 in CI for older rustc's

2 years agoMerge pull request #1148 from dunxen/2021-11-new-onion-errors
Matt Corallo [Wed, 15 Dec 2021 23:32:30 +0000 (23:32 +0000)]
Merge pull request #1148 from dunxen/2021-11-new-onion-errors

Add mpp_timeout and invalid_onion_payload descriptions

2 years agoMerge pull request #1211 from ConorOkus/2021-11-add-max-conversion
Conor Okus [Wed, 15 Dec 2021 16:15:21 +0000 (16:15 +0000)]
Merge pull request #1211 from ConorOkus/2021-11-add-max-conversion

Update docs to add max return value to conversion list

2 years agoMerge pull request #1202 from TheBlueMatt/2021-12-fix-retries-races
Matt Corallo [Wed, 15 Dec 2021 04:58:46 +0000 (04:58 +0000)]
Merge pull request #1202 from TheBlueMatt/2021-12-fix-retries-races

Fix payment retry races and inform users when a payment fails

2 years agoMake attempting to retry a succeeded payment an APIError, not Route 2021-12-fix-retries-races
Matt Corallo [Mon, 13 Dec 2021 17:41:36 +0000 (17:41 +0000)]
Make attempting to retry a succeeded payment an APIError, not Route

This is symmetric with the new failure once a payment is abandoned.

2 years agoUse `Event::PaymentFailed` in `InvoicePayer` to remove retry count
Matt Corallo [Sat, 4 Dec 2021 23:41:37 +0000 (23:41 +0000)]
Use `Event::PaymentFailed` in `InvoicePayer` to remove retry count

This finally fixes the bug described in the previous commits where
we retry a payment after its retry count has expired due to early
removal of the payment from the retry count tracking map. A test is
also added which demonstrates the bug in previous versions and
which passes now.

Fixes #1164.

2 years agoExpose an event when a payment has failed and retries complete
Matt Corallo [Fri, 10 Dec 2021 00:28:24 +0000 (00:28 +0000)]
Expose an event when a payment has failed and retries complete

When a payment fails, a payer needs to know when they can consider
a payment as fully-failed, and when only some of the HTLCs in the
payment have failed. This isn't possible with the current event
scheme, as discovered recently and as described in the previous
commit.

This adds a new event which describes when a payment is fully and
irrevocably failed, generating it only after the payment has
expired or been marked as expired with
`ChannelManager::mark_retries_exceeded` *and* all HTLCs for it
have failed. With this, a payer can more simply deduce when a
payment has failed and use that to remove payment state or
finalize a payment failure.

2 years agoAdd a variant to `PendingOutboundPayment` for retries-exceeded
Matt Corallo [Fri, 3 Dec 2021 19:57:37 +0000 (19:57 +0000)]
Add a variant to `PendingOutboundPayment` for retries-exceeded

When a payer gives up trying to retry a payment, they don't know
for sure what the current state of the event queue is.
Specifically, they cannot be sure that there are not multiple
additional `PaymentPathFailed` or even `PaymentSuccess` events
pending which they will see later. Thus, they have a very hard
time identifying whether a payment has truly failed (and informing
the UI of that fact) or if it is still pending. See [1] for more
information.

In order to avoid this mess, we will resolve it here by having the
payer give `ChannelManager` a bit more information - when they
have given up on a payment - and using that to generate a
`PaymentFailed` event when all paths have failed.

This commit adds the neccessary storage and changes for the new
state inside `ChannelManager` and a public method to mark a payment
as failed, the next few commits will add the new `Event` and use
the new features in our `PaymentRetrier`.

[1] https://github.com/lightningdevkit/rust-lightning/issues/1164

2 years agoDRY up payment failure macros in functional_test_utils
Matt Corallo [Sat, 4 Dec 2021 23:41:01 +0000 (23:41 +0000)]
DRY up payment failure macros in functional_test_utils

... with a more extensible expectation-checking framework for them.

2 years agoAdd mpp_timeout and invalid_onion_payload descriptions & handling
Duncan Dean [Sat, 30 Oct 2021 08:25:44 +0000 (10:25 +0200)]
Add mpp_timeout and invalid_onion_payload descriptions & handling

2 years agoUpdates Fee estimator docs to include a max return value for get_est_sat_per_1000_weight
Conor Okus [Wed, 8 Dec 2021 17:15:57 +0000 (17:15 +0000)]
Updates Fee estimator docs to include a max return value for get_est_sat_per_1000_weight

Updates docs to include a max return value for get_est_sat_per_1000_weight

Adds max to both conversions

Additional detail

2 years agoMerge pull request #1169 from TheBlueMatt/2021-11-fix-update-announcements
Matt Corallo [Thu, 9 Dec 2021 18:21:55 +0000 (18:21 +0000)]
Merge pull request #1169 from TheBlueMatt/2021-11-fix-update-announcements

Fix announcements of our own gossip

2 years agoAdd a comment describing the timestamp field's use 2021-11-fix-update-announcements
Matt Corallo [Thu, 9 Dec 2021 03:49:50 +0000 (03:49 +0000)]
Add a comment describing the timestamp field's use

2 years agoMerge pull request #1203 from lightning-signer/2021-12-value-to-self
Matt Corallo [Wed, 8 Dec 2021 02:24:32 +0000 (02:24 +0000)]
Merge pull request #1203 from lightning-signer/2021-12-value-to-self

Getter for the total channel balance

2 years agoMerge pull request #1210 from TheBlueMatt/2021-12-new-codecod-upload
Matt Corallo [Wed, 8 Dec 2021 01:01:34 +0000 (01:01 +0000)]
Merge pull request #1210 from TheBlueMatt/2021-12-new-codecod-upload

Upgrade to codecov uploader v2

2 years agoUpgrade to codecov uploader v2 2021-12-new-codecod-upload
Matt Corallo [Tue, 7 Dec 2021 19:17:57 +0000 (19:17 +0000)]
Upgrade to codecov uploader v2

Some time ago codecov stopped supporting their old v1 uploader, and
it seems they've now finally turned it off, so we aren't getting
any coverage reports anymore. Hopefully upgrading is pretty trivial.

2 years agoMerge pull request #1208 from TheBlueMatt/2021-12-less-force-close
Matt Corallo [Tue, 7 Dec 2021 20:11:47 +0000 (20:11 +0000)]
Merge pull request #1208 from TheBlueMatt/2021-12-less-force-close

Reduce force-closures with user fee estimators which round poorly

2 years agoMerge pull request #1205 from TheBlueMatt/2021-12-new-feature-bit
Matt Corallo [Tue, 7 Dec 2021 19:28:29 +0000 (19:28 +0000)]
Merge pull request #1205 from TheBlueMatt/2021-12-new-feature-bit

Support the channel_type feature bit.

2 years agoReduce force-closures with user fee estimators which round poorly 2021-12-less-force-close
Matt Corallo [Tue, 7 Dec 2021 17:23:42 +0000 (17:23 +0000)]
Reduce force-closures with user fee estimators which round poorly

See comment for more

2 years agoSupport the `channel_type` feature bit. 2021-12-new-feature-bit
Matt Corallo [Mon, 6 Dec 2021 00:18:59 +0000 (00:18 +0000)]
Support the `channel_type` feature bit.

Note that this feature bit does absolutely nothing. We signal it
(as we already support channel type negotiation), but do not bother
to look to see if peers support it, as we don't care - we simply
look for the TLV entry and deduce if a peer supports channel type
negotiation from that.

The only behavioral change at all here is that we don't barf if a
peer sets channel type negotiation to required via the feature bit
(instead of failing the channel at open-time), but of course no
implementations do this, and likely won't for some time (if ever -
you can simply fail channels with unknown types later, and there's
no reason to refuse connections, really).

As defined in https://github.com/lightning/bolts/pull/906

2 years agoGetter for the total channel balance
Devrandom [Sun, 5 Dec 2021 11:42:25 +0000 (12:42 +0100)]
Getter for the total channel balance

The existing balance getters subtract reserve, this one does not.