Commit Graph

151 Commits

Author SHA1 Message Date
Johan T. Halseth
ebe05f6568 lnwallet: add update_fee message support.
This commit adds the possibility for the initiator of a
channel to send the update_fee message, as specified
in BOLT#2. After the message is sent and both parties
have committed to the updated fee, all new commitment
messages in the channel will use the specified fee.
2017-07-14 16:39:15 -07:00
Andrey Samokhvalov
8fa2b95c12 lnd: remove seelog logger
The btclog package has been changed to defining its own logging
interface (rather than seelog's) and provides a default implementation
for callers to use.

There are two primary advantages to the new logger implementation.

First, all log messages are created before the call returns.  Compared
to seelog, this prevents data races when mutable variables are logged.

Second, the new logger does not implement any kind of artifical rate
limiting (what seelog refers to as "adaptive logging").  Log messages
are outputted as soon as possible and the application will appear to
perform much better when watching standard output.

Because log rotation is not a feature of the btclog logging
implementation, it is handled by the main package by importing a file
rotation package that provides an io.Reader interface for creating
output to a rotating file output.  The rotator has been configured
with the same defaults that btcd previously used in the seelog config
(10MB file limits with maximum of 3 rolls) but now compresses newly
created roll files.  Due to the high compressibility of log text, the
compressed files typically reduce to around 15-30% of the original
10MB file.
2017-06-25 14:19:56 +01:00
Olaoluwa Osuntokun
1be4d67ce4
multi: run all test instances in parallel 2017-06-17 01:00:07 +02:00
Olaoluwa Osuntokun
4b8d052afc
channeldb: replace opening height will short chan ID in OpenChannel
This commit modifies the OpenChannel struct to include the full short
channel ID rather than simply the opening height. This new field will
be needed by an upcoming change to uniformly switch to using short
channel ID’s when forwarding HTLC’s due to the change in per-hop
payloads.
2017-06-16 22:28:58 +02:00
Olaoluwa Osuntokun
66ba2e862c
channeldb: store the funding transaction broadcast height for channels
This commit expands the field within the OpenChannel struct in order to
start tracking the height that the funding transaction was initially
broadcast. Other sub-systems within lnd can now use this data to give a
more accurate height hint to the ChainNotifier, or to use during the
funding workflow to decide if a channel should be forgotten after it
fails to confirm for N blocks.
2017-06-05 19:15:44 -07:00
Olaoluwa Osuntokun
75d5396445
channeldb: change MinFeePerKb to FeePerKw in OpenChannel struct
This commit modifies the name of a field in the OpenChannel struct to
better reflect its actual usage within this protocol. The FeePerKw
represents the amount of satoshi to be paid as fees per kilo-weight.
This field is set at the opening of a transaction and will be able to
be updated properly via the usage of the update_fee method.
2017-05-16 18:44:01 -07:00
bryanvu
320bed7e6b lnwallet: add CommitFee field to OpenChannel
In order to cleanly handle shutdowns and restarts during state machine operation, the fee for the current
commitment transaction must be persisted. This allows the fee to be
reapplied when the current state is reloaded.
2017-05-15 20:26:11 -07:00
Olaoluwa Osuntokun
68dbbb046b
channeldb: add total time locked balance to CloseChannelSummary
This commit adds the total time locked balance of a closed channel at
closure time to the CloseChannelSummary struct. With this information,
we now provide sub-systems within the daemon further knowledge which
can aide them in properly handling querying for the state of pending
close transactions, or if they should watch a channel for closure or
not.
2017-05-14 19:03:08 -07:00
Olaoluwa Osuntokun
a5113c2439
channeldb+funding: track opening height using MarkChannelAsOpen
This commit modifies the OpenChannel structure on-disk to also track
that opening height of a channel. This change is being made in order to
make and more light client friendly. A follow up commit will modify
several areas of the codebase to use this new functionality.
2017-05-11 15:20:33 -07:00
Olaoluwa Osuntokun
373a1192ce
channeldb: fix panic bug in channeldb, check proper bucket for nil-ness 2017-05-11 15:20:31 -07:00
Olaoluwa Osuntokun
333373f78f
channeldb: add new ChannelView method to the ChannelGraph
This commit introduces a new method to the ChannelGraph struct:
ChannelView. This struct returns all the outpoints that represent the
set of active channels within the network. The set of items returned by
this new method will possibly shrink with each call to `PruneGraph`,
and possibly be expanded by each call to `AddChannelEdge`.

The graph pruning tests have been updated to ensure the description
above holds true.
2017-05-11 15:20:23 -07:00
Andrey Samokhvalov
a3eee453c3 channeldb: add waiting proof storage
In this commit boltdb persistent storage have been added, which allow
as to not loose announcement proofs inside gossiper subsystem.
2017-05-05 17:02:49 -07:00
Olaoluwa Osuntokun
18a2c8a455
channeldb: fix linter errors 2017-05-04 17:46:17 -07:00
Olaoluwa Osuntokun
35fd800083
channeldb: add test for new channel closure persistence 2017-05-04 17:39:05 -07:00
Olaoluwa Osuntokun
826dbbd1f7
channeldb: add new method to db, MarkChanFullyClosed
This commit adds a new method to the database which allows callers to
mark a channel as fully closed once certain conditions have been
reached. If a channel was cooperatively closed, then it can be marked
as fully closed as soon as the channel has been confirmed. If the
channel was marked as force closed, then it should be marked as closed
as soon as _all_ the funds in limbo have been swept.
2017-05-04 17:39:03 -07:00
Olaoluwa Osuntokun
f2f3774cec
channeldb: add new method to db, FetchClosedChannels
This commit builds upon the prior commit by adding a new method to
allows callers to query the state of all closed (fully) and pending
closed channel within the database.
2017-05-04 17:39:00 -07:00
Olaoluwa Osuntokun
bafea35a32
channeldb: expand channel close summaries to include additional data
This commit expands the close summaries within the database to include
additional information such as: how the channel was closed, if the
channel if fully closed, and other balance information. This new
information will be used in an upcoming expansion of the
pendingChannels RPC to display more comprehensive data w.r.t where the
node’s funds are and how soon they’ll be fully available.

The data stored in the closeChannel bucket has been expanded to include
the above. Additionally the CloseChannel method on the OpenChannel
struct now takes in the additional information that details how and who
it was closed by.

This commit borrows heavily from the initial work in #179 by @halseth.
2017-05-04 17:38:58 -07:00
Olaoluwa Osuntokun
b96b180b0b
channeldb: modify ForEachNode/ForEachChannel to accept a db txn
This commit modifies the ForEachNode on the ChannelGraph and
ForEachChannel on the LightningNode struct to accept a database
transaction as its first argument. With this change, it’ll now be
possible to implement graph traversals that typically required a nested
loop with all the vertex loaded into memory using the callback API
instead:
c.ForEachNode(nil, func(tx, node) {
    node.ForEachChannel(tx, func(…) {
    })
})
2017-04-14 13:14:09 -07:00
Olaoluwa Osuntokun
fe3c3642e2
channeldb: use the Batch method when writing payment details
This commit implements an easy optimization by using bolt db’s Batch
method when writing payment details to disk. The AddPaymnent method can
be concurrently called by thousands of grouting due to the way the
payment dispatch pipeline is architected. With this commit, we shave of
a significant amount of running time when users are sending thousands
of payments a second as what would’ve been thousands of writes can now
be coalesced into one or two writes!
2017-04-11 22:02:09 -07:00
Andrey Samokhvalov
07076cce21 routing+channeldb: add AddProof method
Originally we adding the edge without proof in order to able to use it
for payments path constrcution. This method will allow us to populate
the announcement proof after the exchange of the half proofs and
constrcutrion of full proof finished.
2017-03-29 19:49:05 -07:00
Andrey Samokhvalov
19174ebdfd channeldb: add storing of node signature and add edge signature
In order to properly announce the channel the announcements proofs
should be persistent in boltdb.
2017-03-29 19:49:05 -07:00
Andrey Samokhvalov
2105a06a26 channeldb: add ability to store empty auth proof
In case if the channel shouldn't be announced to the rest of the network
the proof, which is needed to announce the channel, will not be
populated, fot that reason the ability to store the empty proof has
been added.
2017-03-29 19:49:05 -07:00
Andrey Samokhvalov
7a9a52c7b9 channeldb: add ErrEdgeAlreadyExist error 2017-03-29 19:49:05 -07:00
bryanvu
085b7333cb lnwire: add support for Features in NodeAnnouncement
Add support for Features in NodeAnnouncment according to spec.
2017-03-29 12:03:43 -07:00
bryanvu
654c5ea61a config: added support, tests for --externalip config option
Minor change to server.go to add ExternalIPs to
channeldb.LightningNode. Also, added a test that utilizes this
functionality and exercises multiple addresses in NodeAnnouncement.
2017-03-29 12:03:43 -07:00
bryanvu
9ffac9eae1 lnwire: update NodeAnnouncement to handle multiple addresses
This commit modifies address handling in the NodeAnnouncement struct,
switching from net.TCPAddr to []net.Addr. This enables more flexible
address handling with multiple types and multiple addresses for each
node. This commit addresses the first part of issue #131 .
2017-03-29 12:03:43 -07:00
Olaoluwa Osuntokun
6b3a258e86
multi: fix formatting issues in packge README's 2017-03-27 16:25:25 -07:00
Olaoluwa Osuntokun
c9511da22f
channeldb: add new method to channel state, RevocationLogTail
This commit adds a new method to the channel state: RevocationLogTail.
This new method will return the information concerning the latest
revoked state of the remote party’s commitment chain.

This new data can be used to properly initialize the states of the
in-memory commitment chains on node start up.
2017-03-24 16:09:14 -07:00
Olaoluwa Osuntokun
f217093c00
multi: replace usage of fastsha256 with crypto/sha256
This commit removes all instances of the fastsha256 library and
replaces it with the sha256 library in the standard library. This
change should see a number of performance improvements as the standard
library has highly optimized assembly instructions with use vectorized
instructions as the platform supports.
2017-03-15 18:56:41 -07:00
Andrey Samokhvalov
61991a1c89 lnd: fix latest goclean.sh lint warning 2017-03-13 16:30:23 -07:00
Andrey Samokhvalov
ee2379775c lnd: fix golint warning which requires to add additional comments 2017-03-13 16:30:23 -07:00
Andrey Samokhvalov
fd97a4bd19 lnd: partially fix golint warnings 2017-03-13 16:30:23 -07:00
Andrey Samokhvalov
143a6e01bb lnd: fix unconvert warnings 2017-03-13 16:30:23 -07:00
Andrey Samokhvalov
f2843dd4c9 lnd: fix gofmt warnings 2017-03-13 16:30:23 -07:00
Andrey Samokhvalov
8fb54782e2 lnd: fix gosimple warnings 2017-03-13 16:30:23 -07:00
Olaoluwa Osuntokun
7bdf02bc9e
routing: modify path finding routines use new EdgeInfo/EdgePolicy
This commit modifies the path finding routines to properly use the new
channel edge related API exposed by the database. Additionally, a new
type `ChannelHop` has been introduced which couples an edges routing
policy with the capacity and origin chain of the channel.
2017-03-08 14:25:05 -08:00
Olaoluwa Osuntokun
39e145f037
channeldb: update tests to recent API change (edge struct split) 2017-03-05 19:22:33 -06:00
Olaoluwa Osuntokun
deceae8fe4
channeldb: PruneGraph now returns the channels closed
This commit alters the return value of PrunedGraph to me a bit more
useful: the function now returns all the channels that were closed when
processing the block (slice of spent outpoints). With this information,
callers gain greater visibility into exactly which channels were
closed. This can be used in higher levels to present detailed summaries
of how blocks affect closed channels.
2017-03-05 19:20:57 -06:00
Olaoluwa Osuntokun
2c29a20a8d
channeldb: split ChannelEdge into two structs, info and policy
This commit splits the prior ChannelEdge struct into two distinct
structs: ChannelEdgeInfo and ChannelEdgePolicy. The info structs stores
the _full_ information that was used to advertise the channel, while
the policy struct contains the information that’s needed in order to
use the information for routing purposes.

With this split we can eliminate a number of hacks within the rest of
the codebase that were added as a result of data unavailability if one
or neither edge was present.

Finally a bit of field renaming has taken place (Exipiry ->
TimeLockDelta), etc.
2017-03-05 19:18:34 -06:00
Olaoluwa Osuntokun
9adc5f6484
lnwallet+channeldb: update callers to shachain API changes 2017-02-24 16:31:45 -08:00
bryanvu
59763ebc7e channeldb: persist numConfsRequired in OpenChannel.
When a pending channel is persisted and then reloaded upon system startup
it's necessary to also persist the number of confirmations that will be required
before the pending channel can be opened.
2017-02-24 11:37:33 -08:00
bryanvu
3e02ea11ef channeldb: added isPending flag and queries
In order to facilitate persistence during the funding process, added
the isPending flag to channels so that when the daemon restarts, we can
properly re-initialize the chain notifier and update the state of
channels that were going through the funding process.
2017-02-24 11:37:33 -08:00
Andrey Samokhvalov
f86557c3e4 channeldb+lnwallet: replace elkrem with shachain
In this commit the initial implementation of revocation hash
generation 'elkrem' was replaced with 'shachain' Rusty Russel
implementation which currently enshrined in the spec. This alghoritm has
the same asymptotic characteristics but has more complex scheme
to determine wish hash we can drop and what needs to be stored
in order to be able to achive full compression.
2017-02-22 16:49:29 -08:00
Christopher Jämthagen
97aa478ce1 channeldb: change [4]byte obsfucator to [6]byte in test 2017-02-22 15:46:59 -08:00
Christopher Jämthagen
873211c02f Use 48-bit commitment transaction numbers
Fix SetStateNumHint and GetStateNumHint to properly
set and get the stateNumHints using the lower 24 bits
of the locktime of the commitment transaction as the
lower 24 bits of the obfuscated state number and the
lower 24 bits of the sequence field as the higher 24
bits.
2017-02-22 15:46:59 -08:00
Olaoluwa Osuntokun
bcde70e74a
channeldb: fix bug when writing revocation log states
This commit fixes a bug that was introduced when we moved to using
64-bit integers for storing the revocation log state. When we made this
change, we forgot to increase the size of the buffer which stores the
key for the particular channel state from 40 to 44 bytes to account for
the 4 additional bytes in the new 64-bit integer.

This bug has been fixed by properly sizing the key buffer. We’ve also
added an additional test to ensure that we retrieve the proper state
after multiple state updates.
2017-02-21 01:43:31 -08:00
Olaoluwa Osuntokun
db8c6d4cf4
channeldb: modify the NumUpdates field in ChannelDelta to be a uint64
This commit modifies the running update count within all ChannelDelta’s
to track the number of updates using a uint64 rather than a uint32.
This change reflects the fact that the obsfucated commitment hints are
to be encoded using a 48-bit integer, rather than a 32-bit integer.
2017-02-21 01:42:44 -08:00
Olaoluwa Osuntokun
59615b3cb2
channedb: add db migration for databases before delivery script bug fix 2017-02-08 13:05:45 -08:00
Olaoluwa Osuntokun
e8e53a4b91
channeldb: fix channel corruption bug upon channel closure
This commit fixes a bug which would previously lead to corruption of
the channel state when a node had one or more channels open and one of
them was closed either forcibly or cooperatively. The source of the bug
itself as a typo: rather than using the construed `deliveryKey`
variable to fetch/put/delete the delivery scripts, `deliveryScriptsKey`
(the key prefix itself) as used. This bug would cause the database to
be unable to read _any_ channel from the database after one was
deleted, as each channel would actually be reading/writing-to the
_exact same_ delivery script.

The fix for the bug itself is simple: eliminate the typo.
2017-02-07 19:54:51 -08:00
Olaoluwa Osuntokun
7f98e8e5f1
channeldb: fix warnings found by go vet 2017-02-07 16:52:04 -08:00