* don't spam with channel_updates at startup
Previous logic was very simple but naive:
- every time a channel_update changed we would send it out
- we would always make a new channel_update with the disabled flag set
at startup.
In case our node was simply restarted, this resulted in us re-sending a
channel_update with the disabled flag set, then a second one with the
disabled flag unset a few seconds later, for each public channel.
On top of that, this opened way to a bug: if reconnection is very fast,
then the two successive channel_update will have the same timestamp,
causing the router to not send the second one, which means that the
channel would be considered disabled by the network, and excluded from
payments.
The new logic is as follows:
- when we do NORMAL->NORMAL or NORMAL->OFFLINE or OFFLINE->NORMAL, we
send out the new channel_update if it has changed
- in all other case (e.g. WAIT_FOR_INIT_INTERNAL->OFFLINE) we do nothing
As a side effect, if we were connected to a peer, then we shut down
eclair, then the peer goes down, then we restart eclair: we will make a
new channel_update with the disabled flag set but we won't broadcast it.
If someone tries to make a payment to that node, we will return the
new channel_update with disabled flag set (and maybe the payer will then
broadcast that channel_update). So even in that corner case we are good.
* quick reconnection: bump channel_update timestamp
In case of a disconnection-reconnection, we first generate a
channel_update with disabled bit set, then after we reconnect we
generate a second channel_update with disabled bit not set.
If this happens very quickly, then both channel_updates will have the
same timestamp, and the second one will get ignored by the network.
A simple fix is to bump the second timestamp in this case.
* set channel_update refresh timer at reconnection
We only care about this timer when connected anyway. We also cancel it
when disconnecting.
This has several advantages:
- having a static task resulted in unnecessary refresh if the channel
got disconnected/reconnected in between 2 weeks
- better repartition of the channel_update refresh over time because at
startup all channels were generated at the same time causing all refresh
tasks to be synchronized
- less overhead for the scheduler (because we cancel refresh task for
offline channels (minor, but still)
Use bitcoin-lib v0.10 which has finally been synced to maven central.
Fix transactions unit test (the check in the test was using the whole locktime and not
the last 24 bits).
See https://github.com/ACINQ/bitcoin-lib/pull/31.
We still have to use `Array[Byte]` for low-level cryptographic primitives, and `akka.util.ByteBuffer` for tcp connections. In order to reduce unnecessary copies, we used `ByteVector.view(...)` as much as possible.
Took the opportunity to do a project-wide optimize imports. We might as well do it now since pretty much all files have been touched already.
NB: temporarily use bitcoin-lib 0.10.1-SNAPSHOT because maven central is very slow and we can't access the recently release 0.10 for now.
* Upgrade to JDK11
Eclair can be built and used on Oracle JDK 1.8 or OpenJDK 11.
JavaFX is now embedded in eclair-node-gui and does not need to be installed separately.
* Install: update java download links
OpenJDK 11 is now our recommendation. Tell users to download java from https://jdk.java.net/11
* README: Rewrite installation instructions
* Correctly parse short channel id
* Add test for RPC APIs
* Put akka.http.version in parent project pom
Co-Authored-By: araspitzu <a.raspitzu@protonmail.com>
* Implement "GetHeaders" RPC call
* Add checkpoints and pow verification
* Don't resolve server address too soon
* Add testnet checkpoints
* Store headers in a sqlite wallet db
* Use 1.4 protocol
Request protocol version 1.4 (this is the default setting in Electrum wallet).
Retrieve and store all headers as binary blobs in bitcoin format.
* Insert headers in batch
* Optimize headers sync and persistence
We assume that there won't be a reorg of more that 2016 blocks (which
could be handled by publishing a new checkpoint) and persist our headers
except for the last 2016 we have received: when we restart, we will ask
our server for at least 2016 headers.
* Persists transactions
Transactions are persisted only when they've been verified (i.e. we've receive
a valid Merkle proof)
* Disable difficulty check on testnet and regtest
On testnet there can be difficulty adjustements even within a re-targeting window.
* Update checkpoints
* Use proper Ping message
`version` can not longer be sent as a ping as we did before.
* Don't ask for Merkle proofs for unconfirmed transactions
* Improve startup time
We now store a new checkpoint and headers up to that checkpoint as soon as our
best chain is 2016 + 500 blocks long
* Properly detect connection loss
* Update electrum mainnet servers list
Using the list from Electrum 3.3.2
* Don't open multiple connection to the same Electrum servers
We want to keep connection to 3 different servers, but when we have less than 3 different
addresses it's pointless to attempt to keep maintain 3 connections.
* Fixed regression in rebroadcast (#713)
Fixed regression caused by 2c1811d: we now don't force sending a
channel_update at the same time with channel_announcement.
This greatly simplifies the rebroadcast logic, and is what caused the
integration test to fail.
Added proper test on Peer, testing the actor, not only static methods.
* Routing sync fixes (#712)
* Router: reset sync state on reconnection
When we're reconnected to a peer we will start a new sync process and should reset our sync
state with that peer.
* Ignore 'origin htlc not found' in CLOSING (#708)
If we don't have the origin, it means that we already have forwarded the fulfill so that's not a big deal.
This can happen if they send a signature containing the fulfill, then fail the channel before we have time to sign it.
* Fix handling of born again channels (#717)
* Fix handling of born again channels
When we receive a recent update for a channel that we had marked as stale we
must send a query to the underlying transport, not the origin of the update (which
would send the query back to the router)
* Replace `update_fee` in commitments (#709)
This is a simple optimisation, we don't have to keep all `update_fee`, just the last one.
cf BOLT 2:
> An update_fee message is sent by the node which is paying the Bitcoin fee. Like any update, it's first committed to the receiver's commitment transaction and then (once acknowledged) committed to the sender's. Unlike an HTLC, update_fee is never closed but simply replaced.
* Tests: use bitcoind 0.16.3 (#715)
Bitcoind 0.16.0 is no longer available
* Make `publishTransaction` idempotent (#711)
Bitcoin core returns an error `missing inputs (code: -25)` if the tx that we want to publish has already been published and its output have been spent. When we receive this error, we try to get the tx, in order to know if it is in the blockchain, or if its inputs were spent by another tx.
Note: If the outputs of the tx were still unspent, bitcoin core would return "transaction already in block chain (code: -27)" and this is already handled.
* Improved eclair-cli (#718)
This fixes#695, and also adds the channel point in the default channel output.
```bash
$ ./eclair-cli channel 00fd4d56d94af93765561bb6cb081f519b9627d3f455eba3215a7846a1af0e46
{
"nodeId": "0232e20e7b68b9b673fb25f48322b151a93186bffe4550045040673797ceca43cf",
"shortChannelId": "845230006070001",
"channelId": "00fd4d56d94af93765561bb6cb081f519b9627d3f455eba3215a7846a1af0e46",
"state": "NORMAL",
"balanceSat": 9858759,
"capacitySat": 10000000,
"channelPoint": "470eafa146785a21a3eb55f4d327969b511f08cbb61b566537f94ad9564dfd00:1"
}
```
* Handle update relay fee in OFFLINE state (#719)
Previously it was only possible to update relay fee in NORMAL state,
which is not very convenient because most of the time there are always
some channels in OFFLINE state.
This works like the NORMAL case, except that the new `channel_update`
won't be broadcast immediately. It will be sent out next time the
channel goes back to NORMAL, in the same `channel_update` that sets the
`enable` flag to true.
Also added a default handler that properly rejects the
CMD_UPDATE_RELAY_FEE command in all other states.
* Fixed regression caused by 7a4f175 (#722)
When updating relay fee in state OFFLINE, the new channel_update must
have the disabled flag on.
This caused tests to be flaky, added necessary checks to always make
them fail in case that kind of regression happens again.
* Logging: use a rolling file appender (#721)
* Logging: use a rolling file appender
Use one file per day, keep 90 days of logs with a total maximum size
capped at 5 Gb
* Router: log routing broadcast in debug level only
* set version to 0.2-beta6
* set version back to 0.2-SNAPSHOT
* Simplify bitcoind version check (#731)
Bitcoind returns version as MMmmrr (major, minor, revision), use an int representation
and compare it to our minimum version target.
* Update scalatest and remove junit runner (#728)
* updated to scalatest 3.0.5
* use scalatest runner instead of junit
Output is far more readable, and makes console (incl. travis) reports
actually usable.
Turned off test logs as error reporting is enough to figure out what
happens.
The only downside is that we can't use junit's categories to group
tests, like we did for docker related tests. We could use nested suites,
but that seems to be overkill so I just removed the categories. Users
will only have the possibility to either skip/run all tests.
* update scala-maven-plugin to 3.4.2
NB: This requires maven 3.5.4, which means that we currently need to
manually install maven on travis.
Also updated Docker java version to 8u181 (8u171 for compiling).
* Add instructions for Bitcoin Core 0.17.0 [ci skip] (#732)
* Add instructions for Bitcoin Core 0.17.0 [ci skip]
Bitcoin Core 0.17.0 deprecates the `signrawtransaction` RPC call, which will be removed in version 0.18.0, you need to enable this call if you want your eclair node to use a 0.1.70 node.
* README: add an example of how to use the new bitcoin.conf sections [ci skip]
* Only persist trimmed htlcs (#724)
We persist htlc data in order to be able to claim htlc outputs in
case a revoked tx is published by our counterparty, so only htlcs
above remote's `dust_limit` matter.
Removed the TODO because we need data to be indexed by commit number so
it is ok to write the same htlc data for every commitment it is included
in.
* set version to 0.2-beta7
* set version to 0.2-SNAPSHOT
* Add `htlcMaximumMsat` field to `ChannelUpdate` message (#738)
* Add `htlcMaximumMsat` field to `ChannelUpdate` message
* added compatibility test with c-lightning
* Fix encoding of FinalIncorrectHtlcAmount error message (#740)
* set version to 0.2-beta8
* set version to 0.2-SNAPSHOT
* Always add 1 block to the `finalCltvExpiry` (#742)
This fixes#651.
* ignore IntegrationSpec (no server on android)
* back to SNAPSHOT
* use proper [gs]etNullableLong method for Sqlite
* updated to scalatest 3.0.5
* use scalatest runner instead of junit
Output is far more readable, and makes console (incl. travis) reports
actually usable.
Turned off test logs as error reporting is enough to figure out what
happens.
The only downside is that we can't use junit's categories to group
tests, like we did for docker related tests. We could use nested suites,
but that seems to be overkill so I just removed the categories. Users
will only have the possibility to either skip/run all tests.
* update scala-maven-plugin to 3.4.2
NB: This requires maven 3.5.4, which means that we currently need to
manually install maven on travis.
Also updated Docker java version to 8u181 (8u171 for compiling).
