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4 years agoMerge pull request #644 from joemphilips/improve_error_message
Matt Corallo [Wed, 22 Jul 2020 03:04:44 +0000 (20:04 -0700)]
Merge pull request #644 from joemphilips/improve_error_message

Improve error message.

4 years agoMerge pull request #623 from LNP-BP/feat-msgsizelimit
Matt Corallo [Wed, 22 Jul 2020 03:03:37 +0000 (20:03 -0700)]
Merge pull request #623 from LNP-BP/feat-msgsizelimit

Making message size limit an exportable constant

4 years agoslightly refactor internal_announcement_signatures
joe.miyamoto [Mon, 13 Jul 2020 04:24:40 +0000 (13:24 +0900)]
slightly refactor internal_announcement_signatures

For making debugging easy.
If the user gives a different node_secret for transport
layer (`PeerManager`) and for routing msg, internal_announcement_signatures
is the first place it causes an error.
By giving a detailed error message, user will be able to
fix the bug quickly.

4 years agoImprove error message.
joe.miyamoto [Mon, 13 Jul 2020 04:16:32 +0000 (13:16 +0900)]
Improve error message.

... for ChannelError and APIMisuseError
Before this commit, When rl returns error, we don't know
The actual parameter which caused the error.
By returning parameterised `String` instead of predefined `&'static str`,
We can give a caller improved error message.

TestLogger now has two additional methods
1. `assert_log_contains` which checks the logged messsage
  has how many entry which includes the specified string as a substring.
2. `aasert_log_regex` mostly the same with `assert_log_contains`
  but it is more flexible that caller specifies regex which has
  to be satisfied instead of just a substring.
For regex, tests now includes `regex` as dev-dependency.

4 years agoMoving LN_MAX_MSG_LEN const to the actual use place
Dr. Maxim Orlovsky [Tue, 21 Jul 2020 12:14:01 +0000 (14:14 +0200)]
Moving LN_MAX_MSG_LEN const to the actual use place

4 years agoRemoving spec quotation from LN_MAX_MSG_LEN definition
Dr. Maxim Orlovsky [Tue, 21 Jul 2020 12:11:46 +0000 (14:11 +0200)]
Removing spec quotation from LN_MAX_MSG_LEN definition

4 years agoRemoving duplicated code in message decryption test cases
Dr. Maxim Orlovsky [Tue, 21 Jul 2020 12:00:02 +0000 (14:00 +0200)]
Removing duplicated code in message decryption test cases

4 years agoTest cases for message encryption/decryption size limits
Dr. Maxim Orlovsky [Tue, 21 Jul 2020 11:48:37 +0000 (13:48 +0200)]
Test cases for message encryption/decryption size limits

4 years agoFixing panic messages for decryption procedures
Dr. Maxim Orlovsky [Tue, 21 Jul 2020 11:39:39 +0000 (13:39 +0200)]
Fixing panic messages for decryption procedures

4 years agoMaking message size limit an exportable constant
Dr. Maxim Orlovsky [Sun, 17 May 2020 14:02:56 +0000 (16:02 +0200)]
Making message size limit an exportable constant

4 years agoMerge pull request #656 from erasmospunk/typo
Matt Corallo [Thu, 16 Jul 2020 17:00:32 +0000 (10:00 -0700)]
Merge pull request #656 from erasmospunk/typo

Fix typo

4 years agoFix typo
John L. Jegutanis [Wed, 15 Jul 2020 13:43:18 +0000 (16:43 +0300)]
Fix typo

4 years agoMerge pull request #652 from lightning-signer/commitment-secret
Matt Corallo [Thu, 2 Jul 2020 18:31:31 +0000 (11:31 -0700)]
Merge pull request #652 from lightning-signer/commitment-secret

ChannelKeys provides individual commitment secrets

4 years agoChannelKeys provides individual commitment secrets
Devrandom [Wed, 1 Jul 2020 10:31:53 +0000 (03:31 -0700)]
ChannelKeys provides individual commitment secrets

4 years agoMerge pull request #650 from TheBlueMatt/2020-06-fix-build
Matt Corallo [Sun, 28 Jun 2020 18:01:43 +0000 (18:01 +0000)]
Merge pull request #650 from TheBlueMatt/2020-06-fix-build

Fix silent merge conflict between bcd65be and 940d7ac

4 years agoFix unused-parentheses warnings newer rustcs have added 2020-06-fix-build
Matt Corallo [Sun, 28 Jun 2020 17:21:45 +0000 (13:21 -0400)]
Fix unused-parentheses warnings newer rustcs have added

4 years agoFix silent merge conflict between bcd65bed7bd9a and 940d7ac8d897589
Matt Corallo [Sun, 28 Jun 2020 17:19:40 +0000 (13:19 -0400)]
Fix silent merge conflict between bcd65bed7bd9a and 940d7ac8d897589

4 years agoMerge pull request #647 from valentinewallace/test-remote-fee-spike-buffer-violation
Matt Corallo [Sat, 27 Jun 2020 00:41:35 +0000 (00:41 +0000)]
Merge pull request #647 from valentinewallace/test-remote-fee-spike-buffer-violation

Test remote fee spike buffer violation

4 years agoMerge pull request #638 from TheBlueMatt/2020-06-c-bindings-cleanups-2
Matt Corallo [Wed, 24 Jun 2020 00:16:28 +0000 (00:16 +0000)]
Merge pull request #638 from TheBlueMatt/2020-06-c-bindings-cleanups-2

Pre-C bindings cleanups (2)

4 years agoUse usize for transaction-position-in-block values 2020-06-c-bindings-cleanups-2
Matt Corallo [Sat, 13 Jun 2020 01:01:32 +0000 (21:01 -0400)]
Use usize for transaction-position-in-block values

We use them largely as indexes into a Vec<Transaction> so there's
little reason for them to be u32s. Instead, use them as usize
everywhere.

We also take this opportunity to add range checks before
short_channel_id calculation, as we could otherwise end up with a
bogus short_channel_id due to an output index out of range.

4 years agoDrop unused import in fuzz router.rs
Matt Corallo [Thu, 11 Jun 2020 20:05:41 +0000 (16:05 -0400)]
Drop unused import in fuzz router.rs

4 years agoTake &NetworkGraph as input in get_route, not a NetGraphMsgHandler
Matt Corallo [Thu, 11 Jun 2020 19:40:28 +0000 (15:40 -0400)]
Take &NetworkGraph as input in get_route, not a NetGraphMsgHandler

This was just an oversight when route calculation was split up into
parts - it makes no sense for get_route to require that we have a
full route message handler, only a network graph (which can always
be accessed from a NetGraphMsgHandler anyway).

4 years agoMake ChainWatchInterface::filter_block return only idxes, not refs
Matt Corallo [Sat, 13 Jun 2020 21:33:21 +0000 (17:33 -0400)]
Make ChainWatchInterface::filter_block return only idxes, not refs

Instead of making the filter_block fn in the ChainWatchInterface
trait return both a list of indexes of transaction positions within
the block and references to the transactions themselves, return
only the list of indexes and then build the reference list at the
callsite.

While this may be slightly less effecient from a memory locality
perspective, it shouldn't be materially different.

This should make it more practical to generate bindings for
filter_block as it no longer needs to reference Rust Transaction
objects that are contained in a Rust Block object (which we'd
otherwise just pass over the FFI in fully-serialized form).

4 years agoAvoid references to primitives and add NetworkGraph::new()
Matt Corallo [Thu, 11 Jun 2020 19:33:20 +0000 (15:33 -0400)]
Avoid references to primitives and add NetworkGraph::new()

non-mut references to primitives are only excess overhead, so
there's not much reason to ever have them. As a nice bonus, it also
is one less thing to worry about when generating C bindings

4 years agoAvoid use std and use std::fmt and fmt:: instead in network_graph
Matt Corallo [Thu, 11 Jun 2020 19:32:23 +0000 (15:32 -0400)]
Avoid use std and use std::fmt and fmt:: instead in network_graph

This is more consistent with the way we use std::cmp over the
codebase and avoids `use std`, which is only actually needed to
support older rustcs, so feels a bit awkward.

4 years agoAdd test for remote fee spike buffer violations.
Valentine Wallace [Mon, 22 Jun 2020 19:30:10 +0000 (15:30 -0400)]
Add test for remote fee spike buffer violations.

HTLCs that violate the remote's fee spike buffer should be failed.

4 years agoLog fee spike buffer violations.
Valentine Wallace [Mon, 22 Jun 2020 19:29:29 +0000 (15:29 -0400)]
Log fee spike buffer violations.

4 years agoReduce RwLock usage in public interface of NetworkGraph
Matt Corallo [Thu, 11 Jun 2020 19:23:35 +0000 (15:23 -0400)]
Reduce RwLock usage in public interface of NetworkGraph

This isn't a big difference in the API, but it avoids needing to
wrap a given NetworkGraph in a RwLock before passing it, which
makes it much easier to generate C bindings for.

4 years agoDrop a useless import of std::result::Result since its always there
Matt Corallo [Sun, 31 May 2020 03:23:47 +0000 (23:23 -0400)]
Drop a useless import of std::result::Result since its always there

4 years agoDrop some unnecessary lifetime specifiers in return type definitions
Matt Corallo [Sun, 31 May 2020 03:18:35 +0000 (23:18 -0400)]
Drop some unnecessary lifetime specifiers in return type definitions

In general, we don't need an explicit lifetime when doing something
like:
fn get_thing(&self) -> &Thing { &self.thing }.

This also makes it easier to reason about what's going on in the
bindings generation.

4 years agoChannelMonitor::get_funding_txo returns both the txid and scriptPK
Matt Corallo [Wed, 10 Jun 2020 03:00:30 +0000 (23:00 -0400)]
ChannelMonitor::get_funding_txo returns both the txid and scriptPK

... instead of only the txid.

This is another instance of it not being possible to fully
re-implement SimpleManyChannelMonitor using only public methods. In
this case you couldn't properly register outpoints for monitoring
so that the funding transaction would be matched.

4 years agoMerge pull request #641 from jkczyz/2020-06-deterministic-test-logging
Matt Corallo [Sun, 21 Jun 2020 19:44:56 +0000 (19:44 +0000)]
Merge pull request #641 from jkczyz/2020-06-deterministic-test-logging

Make test output deterministic

4 years agoMake test output deterministic
Jeffrey Czyz [Wed, 17 Jun 2020 15:29:30 +0000 (08:29 -0700)]
Make test output deterministic

Tests use sources of randomness to produce seeds, preimages, secrets,
and ephemeral data. However, this makes comparing logs between different
test runs difficult. Remove uses of random number generators and the
current time in favor of fixed values in order to make the test output
deterministic.

4 years agoMerge pull request #639 from valentinewallace/fix-feerate-new-channel
Matt Corallo [Tue, 16 Jun 2020 19:51:24 +0000 (19:51 +0000)]
Merge pull request #639 from valentinewallace/fix-feerate-new-channel

Use our actual feerate in open_channel messages, not a new one

4 years agoSwitch all feerate u64's to u32's.
Valentine Wallace [Mon, 15 Jun 2020 21:28:01 +0000 (17:28 -0400)]
Switch all feerate u64's to u32's.

The protocol only allows a u32, so if we received or sent something
larger it would be an issue (though it's unlikely).

4 years agoUse our actual feerate in open_channel messages, not a new one
Valentine Wallace [Sat, 13 Jun 2020 20:46:25 +0000 (16:46 -0400)]
Use our actual feerate in open_channel messages, not a new one

When we were sending an open_channel messages we were asking the
feerate estimator for a new value instead of using the one we had.
If the feerate estimator gave a different value than the one it did
when we created the Channel struct, we'd start out-of-sync with our
counterparty and blow up on funding_signed. Even worse, the
ConfirmationTarget used was different, so its highly likely they
would disagree.

Also remove newly unused fee estimator parameter from get_open-channel
API.

Co-authored-by: Matt Corallo <git@bluematt.me>
Co-authored-by: Valentine Wallace <vwallace@protonmail.com>
4 years agoMerge pull request #577 from valentinewallace/fix-onchain-fee-check-htlcs
Matt Corallo [Mon, 15 Jun 2020 20:17:03 +0000 (20:17 +0000)]
Merge pull request #577 from valentinewallace/fix-onchain-fee-check-htlcs

Incl tx fee when calcing inbound+outbound HTLC limits on channels

4 years agoUpdate chanmon fuzzer to include small payment actions.
Valentine Wallace [Wed, 6 May 2020 23:18:51 +0000 (19:18 -0400)]
Update chanmon fuzzer to include small payment actions.

This change should allow the fuzzer to catch more edge cases, such as
channel reserve checks that cut it close when sending payments.

4 years agoAdd fee spike buffer + incl commit tx fee in chan reserve calculation
Valentine Wallace [Wed, 6 May 2020 23:18:23 +0000 (19:18 -0400)]
Add fee spike buffer + incl commit tx fee in chan reserve calculation

When we receive an inbound HTLC from a peer on an inbound channel,
make sure the funder can still cover the additional on-chain cost
of the HTLC while maintaining their channel reserve.

When we're sending an outbound HTLC, make sure the funder can still
cover the additional on-chain cost of the HTLC while maintaining
their channel reserve.

+ implement fee spike buffer for channel initiators sending payments.
Also add an additional spec-deviating fee spike buffer on the
receiving side (but don't close the channel if this reserve is
violated, just fail the HTLC).
From lightning-rfc PR #740.

Co-authored-by: Matt Corallo <git@bluematt.me>
Co-authored-by: Valentine Wallace <vwallace@protonmail.com>
4 years agoMerge pull request #634 from valentinewallace/improve-inbound-htlc-docs
Matt Corallo [Thu, 11 Jun 2020 18:59:07 +0000 (18:59 +0000)]
Merge pull request #634 from valentinewallace/improve-inbound-htlc-docs

Improve documentation for InboundHTLCState enum states.

4 years agoImprove documentation for InboundHTLCState enum states.
Valentine Wallace [Sun, 31 May 2020 19:59:49 +0000 (15:59 -0400)]
Improve documentation for InboundHTLCState enum states.

4 years agoRefactor: move channel checks for HTLC adds into Channel
Valentine Wallace [Fri, 5 Jun 2020 19:27:30 +0000 (15:27 -0400)]
Refactor: move channel checks for HTLC adds into Channel

This also includes adding a closure that creates a new pending HTLC status
as a parameter for Channel's update_add_htlc. This will later be useful
when we add the check for fee spike buffer violations, which will also result
in changing an HTLC's pending status to failing.

Co-authored-by: Jeffrey Czyz <jkczyz@gmail.com>
Co-authored-by: Valentine Wallace <vwallace@protonmail.com>
4 years agoMerge pull request #629 from arik-so/message_handling_extraction
Matt Corallo [Thu, 11 Jun 2020 03:58:07 +0000 (03:58 +0000)]
Merge pull request #629 from arik-so/message_handling_extraction

Extract wire message handling into a method.

4 years agoExtract wire message handling into a method.
Arik Sosman [Fri, 22 May 2020 20:03:49 +0000 (13:03 -0700)]
Extract wire message handling into a method.

This is a response to splitting #585 into smaller components. This extraction should allow the subsequent creation of a trait for all message handling, thereby enabling more flexibility in the state machine, particularly for bindings.

4 years agoMerge pull request #632 from TheBlueMatt/2020-05-drop-chankeys-privs
Matt Corallo [Sat, 6 Jun 2020 23:22:59 +0000 (23:22 +0000)]
Merge pull request #632 from TheBlueMatt/2020-05-drop-chankeys-privs

Drop ChannelKeys Private Key Methods

4 years agoDrop requirement that all ChannelKeys expose htlc_basepoint 2020-05-drop-chankeys-privs
Matt Corallo [Thu, 28 May 2020 20:13:38 +0000 (16:13 -0400)]
Drop requirement that all ChannelKeys expose htlc_basepoint

4 years agoDrop requirement that ChannelKeys expose delayed_payment_basepoint
Matt Corallo [Thu, 28 May 2020 20:09:47 +0000 (16:09 -0400)]
Drop requirement that ChannelKeys expose delayed_payment_basepoint

4 years agoDrop requirement that all ChannelKeys expose revocaion_basepoint
Matt Corallo [Thu, 28 May 2020 20:06:28 +0000 (16:06 -0400)]
Drop requirement that all ChannelKeys expose revocaion_basepoint

4 years agoDrop requirement that all ChannelKeys expose the payment_point
Matt Corallo [Thu, 28 May 2020 20:03:03 +0000 (16:03 -0400)]
Drop requirement that all ChannelKeys expose the payment_point

4 years agoDrop requirement that all ChannelKeys expose the funding privkey
Matt Corallo [Thu, 28 May 2020 20:02:33 +0000 (16:02 -0400)]
Drop requirement that all ChannelKeys expose the funding privkey

4 years agoExpose private keys from InMemoryChannelKeys publicly
Matt Corallo [Thu, 28 May 2020 20:00:46 +0000 (16:00 -0400)]
Expose private keys from InMemoryChannelKeys publicly

As we drop the requirement that all ChannelKeys expose the private
keys used, we should have a way to access the private keys in use
when using InMemoryChannelKeys.

4 years agoMerge pull request #620 from TheBlueMatt/2020-05-pre-bindings-cleanups
Matt Corallo [Thu, 28 May 2020 19:34:42 +0000 (19:34 +0000)]
Merge pull request #620 from TheBlueMatt/2020-05-pre-bindings-cleanups

Pre-C Bindings Cleanup

4 years agoMerge pull request #610 from ariard/2020-04-cache-in-monitor
Matt Corallo [Thu, 28 May 2020 19:25:06 +0000 (19:25 +0000)]
Merge pull request #610 from ariard/2020-04-cache-in-monitor

Move back to ChannelMonitor RemoteTxCache

4 years agoAdd test_key_derivation_params
Antoine Riard [Mon, 18 May 2020 08:19:32 +0000 (04:19 -0400)]
Add test_key_derivation_params

`to_local` output or remote output on remote commitment transaction
needs a channel keys to be spent. As per-channel keys are derived from
KeysManager seed and per-channel secrets those must be backed up by
any descriptor bookmarking for latter spend. We test that generating
a new KeysManager loaded with such backed-up seed/per-channel secrets
return the correct keys for spending a `to_local` output.

4 years agoSignificantly clarify key derivation and expose methods referenced
Matt Corallo [Fri, 15 May 2020 22:57:44 +0000 (18:57 -0400)]
Significantly clarify key derivation and expose methods referenced

4 years agoDocument better DynamicOutputP2WSH
Antoine Riard [Fri, 8 May 2020 21:19:19 +0000 (17:19 -0400)]
Document better DynamicOutputP2WSH

4 years agoRemove useless build warnings
Antoine Riard [Wed, 6 May 2020 01:42:51 +0000 (21:42 -0400)]
Remove useless build warnings

4 years agoMake get_revokable_redeemscript
Antoine Riard [Tue, 5 May 2020 22:48:32 +0000 (18:48 -0400)]
Make get_revokable_redeemscript

4 years agoMake derive_private_key public
Antoine Riard [Tue, 5 May 2020 22:36:06 +0000 (18:36 -0400)]
Make derive_private_key public

4 years agoDry-up witnessScript in sign_remote_htlc_transaction
Antoine Riard [Mon, 4 May 2020 06:35:54 +0000 (02:35 -0400)]
Dry-up witnessScript in sign_remote_htlc_transaction

Instead of blindly signing provided witnessScript, signer must derive
channel keys corresponding to the provided per-commitment-point and
regenerate templated witnessScript to ensure its syntax correctness.

4 years agoDry-up witnessScript in sign_justice_transaction
Antoine Riard [Mon, 4 May 2020 06:20:56 +0000 (02:20 -0400)]
Dry-up witnessScript in sign_justice_transaction

Instead of blindly signing provided witnessScript, signer must derive
channel keys corresponding to the provided per-commitment-point and
regenerate templated witnessScript to ensure its syntax correctness.

4 years agoImp Writer/Reader for RemoteCommitmentTransaction
Antoine Riard [Wed, 29 Apr 2020 23:43:31 +0000 (19:43 -0400)]
Imp Writer/Reader for RemoteCommitmentTransaction

4 years agoRename RemoteTxCache as RemoteCommitmentTransaction and document better
Antoine Riard [Wed, 29 Apr 2020 23:21:37 +0000 (19:21 -0400)]
Rename RemoteTxCache as RemoteCommitmentTransaction and document better

We also remove an unecessary build warning.

4 years agoRename their_to_self_delay as on_local_tx_csv
Antoine Riard [Thu, 30 Apr 2020 01:22:28 +0000 (21:22 -0400)]
Rename their_to_self_delay as on_local_tx_csv

on_remote_tx_csv is the CSV delay encumbering remote transactions
revokable outputs as required by local.

on_local_tx_csv is the CSV delay encumbering local transactions
revokable outputs as required by remote.

Local/remote is here defined from a code processing viewpoint,
process running this code is "local".

4 years agoDrop remote_csv from OnchainTxHandler, cache it in Monitor's cache
Antoine Riard [Tue, 28 Apr 2020 00:20:43 +0000 (20:20 -0400)]
Drop remote_csv from OnchainTxHandler, cache it in Monitor's cache

4 years agoDedup RemoteTxCache by removing OnchainTxHandler copy
Antoine Riard [Tue, 28 Apr 2020 00:07:17 +0000 (20:07 -0400)]
Dedup RemoteTxCache by removing OnchainTxHandler copy

RemoteTxCache was providing all data needed at transaction
signature for any remote HTLC transaction or justice transaction.
This move was making the API between OnchainTxHandle akward and
scope of responsibilites with ChannelMonitor unclear.

Instead scope OnchainTxHandler to transaction-finalization, fee-bumping
and broadcast only.

4 years agoDuplicate RemoteTxCache in ChannelMonitor
Antoine Riard [Mon, 18 May 2020 22:37:06 +0000 (18:37 -0400)]
Duplicate RemoteTxCache in ChannelMonitor

Dry-up remote pubkeys tracking in one struct.

This introduce a duplicate of RemoteTxCache, which is going
to be removed in next commit when OnchainTxHandler version is
removed.

4 years agoRemove SecretKey from DynamicOuputP2WPKH descriptor
Antoine Riard [Tue, 24 Mar 2020 21:03:26 +0000 (17:03 -0400)]
Remove SecretKey from DynamicOuputP2WPKH descriptor

Add sign_payment_transaction in ChanSigner to be able to spend
SpendableOutputDescriptor in test framework

Extend ChannelKeys with remote_pubkeys to access remote revocation
basepoint for witnessScript construction.

4 years agoRemove SecretKey from DynamicOutputP2WSH descriptor
Antoine Riard [Tue, 24 Mar 2020 20:26:46 +0000 (16:26 -0400)]
Remove SecretKey from DynamicOutputP2WSH descriptor

Add sign_delayed_transaction in ChanSigner to be able to spend
SpendableOutputDescriptor in test framework.

4 years agoExtend KeysInterface with derive_channel_keys
Antoine Riard [Wed, 6 May 2020 00:00:01 +0000 (20:00 -0400)]
Extend KeysInterface with derive_channel_keys

A dynamic-p2wsh-output like `to_local` on local commitment/HTLC txn
require a signature from delayed_payment_key to be spend. Instead of
sending private key in descriptor, we ask for spender to derive again
the corresponding ChannelKeys based on key state, uniquely identifying
a channel and encompassing its unique start data.

Descriptor modification is done in next commit.

4 years agoMerge pull request #624 from arik-so/encode_and_send_msg_method_refactor
Matt Corallo [Fri, 22 May 2020 18:45:55 +0000 (18:45 +0000)]
Merge pull request #624 from arik-so/encode_and_send_msg_method_refactor

Extract encode_and_send_msg into a method.

4 years agoExpose PeerHandleError::no_connection_possible 2020-05-pre-bindings-cleanups
Matt Corallo [Thu, 14 May 2020 01:25:51 +0000 (21:25 -0400)]
Expose PeerHandleError::no_connection_possible

Its just a trivial bool and already has docs on it, so seems like
an oversight

4 years agoThree small fixes to work around our bindings generator limitations
Matt Corallo [Tue, 12 May 2020 17:47:54 +0000 (13:47 -0400)]
Three small fixes to work around our bindings generator limitations

 * Return Self instead of the fully-written types for constructors,
 * Place definitions before use (in this case for KeysInterface),
 * Don't import foo::bar::self, but import foo::bar

 + a spelling fix in the KeysInterface docs for get_onion_rand.

4 years agoReturn a ChannelManager instead of result from ChannelManager::new()
Matt Corallo [Tue, 12 May 2020 17:34:00 +0000 (13:34 -0400)]
Return a ChannelManager instead of result from ChannelManager::new()

We never actually fail, so we can just drop the Result type.

4 years agoMake RoutingMessageHandler a generic Deref instead of an Arc
Matt Corallo [Tue, 12 May 2020 17:31:20 +0000 (13:31 -0400)]
Make RoutingMessageHandler a generic Deref instead of an Arc

We also update to use single idents when referencing the Deref=*
types since the automated code generator is pretty braindead.

This also moves some test utils out of peer_handler.rs and into
util::test_utils to standardize things a little bit, which we need
to concretize the PeerHandler types used in testing.

4 years agoMake ManyChannelMonitor Keys an associated type
Matt Corallo [Tue, 12 May 2020 17:20:31 +0000 (13:20 -0400)]
Make ManyChannelMonitor Keys an associated type

Instead of using a raw generic type, an associted type allows us
to have explicit docs on the type, which is nice. More importantly,
however, our automated bindings generator knows how to read
associated types but not raw generics.

Also, our bindings generator expects things which are referenced to
have already been defined, so we move ManyChannelMonitor below the
ChannelMonitor definition.

4 years agoExtract encode_and_send_msg into a method.
Arik Sosman [Mon, 18 May 2020 17:55:28 +0000 (10:55 -0700)]
Extract encode_and_send_msg into a method.

This is a response to splitting #585 into smaller components. This extraction will permit a future extraction of all message handling into a separate method, and then later even into a separate trait that will be accessible through language bindings.

4 years agoAdd KeysManager::derive_unique_start
Antoine Riard [Tue, 12 May 2020 00:29:39 +0000 (20:29 -0400)]
Add KeysManager::derive_unique_start

In next commit, we add derive_channel_keys, a helper to rederive
keys from a SpendableOuptutDescriptor. We still need to ensure
that user rederive same set of keys even if KeyManager is started
at a later time. For doing so we need to pass starting time as
part of the re-derived sha_state, therefore we need to make it
accessible and part of channel state key material.

Seed is already required to be conserved between KeysManager
serializations.

4 years agoMove remote htlc transaction signature behind ChanSigner
Antoine Riard [Tue, 24 Mar 2020 19:04:36 +0000 (15:04 -0400)]
Move remote htlc transaction signature behind ChanSigner

4 years agoBuild witness_script for remote htlc transactions inside
Antoine Riard [Tue, 24 Mar 2020 18:47:37 +0000 (14:47 -0400)]
Build witness_script for remote htlc transactions inside
OnchainTxHandler

By moving script generation inside OnchainTxHandler, we may dry-up
further ChannelMonitor in next commits

Comment MINIMALIF rule

4 years agoMove justice transaction signature behind ChanSigner
Antoine Riard [Tue, 24 Mar 2020 18:22:16 +0000 (14:22 -0400)]
Move justice transaction signature behind ChanSigner

4 years agoBuild witness_script for justice tx inside OnchainTxHandler
Antoine Riard [Tue, 24 Mar 2020 01:50:23 +0000 (21:50 -0400)]
Build witness_script for justice tx inside OnchainTxHandler

By moving script generation inside OnchainTxHandler, we may dry-up
further ChannelMonitor in next commits.

4 years agoReplace is_htlc in InputMaterial by InputDescriptor
Antoine Riard [Tue, 24 Mar 2020 03:28:00 +0000 (23:28 -0400)]
Replace is_htlc in InputMaterial by InputDescriptor

As we cache more and more transaction elements in OnchainTxHandler
we should dry up completly InputMaterial until them being replaced
directly by InputDescriptor

4 years agoCache remote HTLC inside OnchainTxHandler::RemoteTxCache
Antoine Riard [Tue, 24 Mar 2020 02:17:46 +0000 (22:17 -0400)]
Cache remote HTLC inside OnchainTxHandler::RemoteTxCache

As we can't predict if any and which revoked commitment tx is
going to appear onchain we have by design to cache all htlc information
to regenerate htlc script if needed.

4 years agoCache remote basepoint and remote_csv in new OnchainTxHandler::RemoteTxCache
Antoine Riard [Tue, 24 Mar 2020 01:22:14 +0000 (21:22 -0400)]
Cache remote basepoint and remote_csv in new OnchainTxHandler::RemoteTxCache

Used in next commits to avoid passing script between ChannelMonitor
and OnchainTxHandler. ChannelMonitor duplicata will be removed
in future commits.

4 years agoDrop OutPoint::new since the struct is all pub
Matt Corallo [Tue, 12 May 2020 17:17:49 +0000 (13:17 -0400)]
Drop OutPoint::new since the struct is all pub

This makes it easier for our automated bindings generator to
function as it tries to automatically create a ::new if the struct
contains only pub elements who's type is convertible.

4 years agoMerge pull request #622 from valentinewallace/chanmgr-logger-arc-to-deref
Matt Corallo [Mon, 18 May 2020 03:21:12 +0000 (03:21 +0000)]
Merge pull request #622 from valentinewallace/chanmgr-logger-arc-to-deref

ChannelManager+Router++ Logger Arc --> Deref

4 years agoPeerManager Logger Arc --> Deref
Valentine Wallace [Sun, 17 May 2020 16:13:29 +0000 (12:13 -0400)]
PeerManager Logger Arc --> Deref

4 years agoChannelManager+Router++ Logger Arc --> Deref
Valentine Wallace [Mon, 2 Mar 2020 17:55:53 +0000 (12:55 -0500)]
ChannelManager+Router++ Logger Arc --> Deref

This caused a bunch of cascading changes, including
passing loggers down to Channels in function calls
rather than having each Channel have a pointer to the
ChannelManager's Logger (which was a circular reference).
Other structs that the Channel had passed its Logger to also
had their loggers removed. Other newly unused Loggers were
also removed, especially when keeping them would've caused
a bunch of extra test changes to be necessary, e.g. with
the ChainWatchInterfaceUtil's Logger.

4 years agoMerge pull request #617 from sourabhmarathe/serialize-channelmanager-events
Matt Corallo [Thu, 14 May 2020 21:24:45 +0000 (21:24 +0000)]
Merge pull request #617 from sourabhmarathe/serialize-channelmanager-events

Serialize ChannelManager events

4 years agoSerialize ChannelManager events
Sourabh Marathe [Thu, 7 May 2020 01:02:44 +0000 (21:02 -0400)]
Serialize ChannelManager events

Also adds a test for de/serializing events

4 years agoMerge pull request #621 from TheBlueMatt/2020-05-592-nits
Matt Corallo [Tue, 12 May 2020 18:41:04 +0000 (18:41 +0000)]
Merge pull request #621 from TheBlueMatt/2020-05-592-nits

592+a few fixes

4 years agoFix some new indentation nits 2020-05-592-nits
Matt Corallo [Tue, 12 May 2020 01:12:23 +0000 (21:12 -0400)]
Fix some new indentation nits

4 years agoFix a few new (and one old) issues in the new channel_update
Matt Corallo [Tue, 12 May 2020 01:09:44 +0000 (21:09 -0400)]
Fix a few new (and one old) issues in the new channel_update

We need to always set lowest_inbound_channel_fees to None if there
are no channels (and we should ignore the channels which are
disabled for the purpose of lowest-fee calculations). Further, we
cannot unwrap the channel lookups as they may be for channels which
are not related to the channel we are processing an update for.
Finally, we can satisfy borrowck much easier since things are on
self instead of on a MutexGuard.

4 years agoAdd assertion since we now have a pub field that is PartialEq
Matt Corallo [Tue, 12 May 2020 01:08:35 +0000 (21:08 -0400)]
Add assertion since we now have a pub field that is PartialEq

We previously were only able to assert that the route graph
serialization roundtrips were good by comparing the network
messages returned from them, but we can now do better as the graph
is exposed publicly via a simple datastructure that implements
PartialEq.

4 years agoAdd missing comment on why last_update_message is None
Matt Corallo [Tue, 12 May 2020 01:08:11 +0000 (21:08 -0400)]
Add missing comment on why last_update_message is None

4 years agoMove get_addresses to network_graph and drop now-useless log_trace
Matt Corallo [Tue, 12 May 2020 01:07:02 +0000 (21:07 -0400)]
Move get_addresses to network_graph and drop now-useless log_trace

Because we expose the internals we don't need a method to log
their contents anymore, and get_addresses can now avoid copying as
we expose the RwLock directly

4 years agoDrop new test Node field introduced in 8ce2223b6952567b28adfcc11c2
Matt Corallo [Mon, 11 May 2020 22:36:58 +0000 (18:36 -0400)]
Drop new test Node field introduced in 8ce2223b6952567b28adfcc11c2

8ce2223b6952567b28adfcc11c23c9f19c4c0324 introduced a new field in
the "Node" objects used in our functional tests - the node_id. Its
not a bad idea to cache it, but unless we want to commit and use it
everywhere, we should avoid duplicating data, especially in tests
where we'd rather exercise the underlying code than bypass it.

4 years agoImprove routing-related documentation
Gleb Naumenko [Wed, 6 May 2020 23:04:44 +0000 (19:04 -0400)]
Improve routing-related documentation

4 years agoRemove NetGraphMsgHandler serialization
Gleb Naumenko [Wed, 6 May 2020 22:34:37 +0000 (18:34 -0400)]
Remove NetGraphMsgHandler serialization