eclair/docs/release-notes/eclair-vnext.md

Eclair vnext

Major changes

Dropped support for version 2 of Tor protocol. That means

• Eclair can't open control connection to Tor daemon version 0.3.3.5 and earlier anymore
• Eclair can't create hidden services for Tor protocol v2 with newer versions of Tor daemon

IMPORTANT: You'll need to upgrade your Tor daemon if for some reason you still use Tor v0.3.3.5 or earlier before upgrading to this release.

API changes

• channelbalances Retrieves information about the balances of all local channels. (#2196)
• stop Stops eclair. Please note that the recommended way of stopping eclair is simply to kill its process (#2233)

Miscellaneous improvements and bug fixes

Delay enforcement of new channel fees

When updating the relay fees for a channel, eclair can now continue accepting to relay payments using the old fee even if they would be rejected with the new fee. By default, eclair will still accept the old fee for 10 minutes, you can change it by setting eclair.relay.fees.enforcement-delay to a different value.

If you want a specific fee update to ignore this delay, you can update the fee twice to make eclair forget about the previous fee.

New minimum funding setting for private channels

New settings have been added to independently control the minimum funding required to open public and private channels to your node.

The eclair.channel.min-funding-satoshis setting has been deprecated and replaced with the following two new settings and defaults:

• eclair.channel.min-public-funding-satoshis = 100000
• eclair.channel.min-private-funding-satoshis = 100000

If your configuration file changes eclair.channel.min-funding-satoshis then you should replace it with both of these new settings.

Expired incoming invoices now purged if unpaid

Expired incoming invoices that are unpaid will be searched for and purged from the database when Eclair starts up. Thereafter searches for expired unpaid invoices to purge will run once every 24 hours. You can disable this feature, or change the search interval with two new settings:

• `eclair.purge-expired-invoices.enabled = true
• eclair.purge-expired-invoices.interval = 24 hours

Verifying signatures

You will need gpg and our release signing key 7A73FE77DE2C4027. Note that you can get it:

• from our website: https://acinq.co/pgp/drouinf.asc
• from github user @sstone, a committer on eclair: https://api.github.com/users/sstone/gpg_keys

To import our signing key:

$ gpg --import drouinf.asc

To verify the release file checksums and signatures:

$ gpg -d SHA256SUMS.asc > SHA256SUMS.stripped
$ sha256sum -c SHA256SUMS.stripped

Building

Eclair builds are deterministic. To reproduce our builds, please use the following environment (*):

• Ubuntu 20.04
• AdoptOpenJDK 11.0.6
• Maven 3.8.1

Use the following command to generate the eclair-node package:

mvn clean install -DskipTests

That should generate eclair-node/target/eclair-node-<version>-XXXXXXX-bin.zip with sha256 checksums that match the one we provide and sign in SHA256SUMS.asc

(*) You may be able to build the exact same artefacts with other operating systems or versions of JDK 11, we have not tried everything.

Upgrading

This release is fully compatible with previous eclair versions. You don't need to close your channels, just stop eclair, upgrade and restart.

Changelog

<fill this section when publishing the release with git log v0.7.0... --format=oneline --reverse>