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Eclair v0.3.4 Release Notes

Release Date: 2020-04-06 // about 4 years ago

  • 🚀 This release includes many improvements, as well as a few bug fixes. Its is fully compatible with 0.3.3 (and all previous versions of eclair).

    Major changes

    Wumbo channels

    👀 Eclair now supports wumbo channels (see lightningnetwork/lightning-rfc#596).
    ⚡️ To activate it, update your eclair.conf and set eclair.features = 080a8a (note that if you chose to enable/disable a different set of features from the recommended ones, that value will be slightly different).
    You also need to set an upper limit on channels size in eclair.max-funding-satoshis.

    🔧 Once that's configured, you can open channels above the previous 0.167 BTC limit (if your peer accepts it).
    Be cautious though; bigger channels may attract more attackers towards your node.
    🚀 Make sure your node deployment is secure before you start opening many large channels.

    Packaging rework

    👀 Eclair is now packaged as a zip folder (see #1307).
    🏗 This new packaging allows us to provide verifiable builds for eclair-node and eclair-node-gui.
    🏗 It also brings us one step closer to verifiable builds for eclair-mobile and phoenix.

    Note that you won't find a capsule jar as before.
    📦 To start eclair you should now use one of the scripts provided in the package.

    🛠 Miscellaneous improvements and bug fixes

    🔊 We've done a lot of work on our metrics and logs; make sure to leverage those to improve your node's monitoring.

    👀 We've added support for multiple Bitcoin wallets (see #1334).

    🚀 We've found and fixed a few more gossip bugs; if you previously had issues getting your node's information on explorers, this release should fix it.

    🐎 We've also fixed many small bugs and heavily refactored parts of the codebase, which paves the way for more scalability and performance improvements.

    👌 Verifying signatures

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

    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 19.10
    • AdoptOpenJDK 11.0.6
    • Maven 3.6.3

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

    mvn clean install -DskipTests

    That should generate an eclair-node-0.3.4-24aa710-bin.zip with a sha256 checksum that matches 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 Eclair v0.3.3. You don't need to close your channels, just stop eclair, upgrade and restart.

    🔄 Changelog

    • Electrum: allow watcher to watch for mempool transactions (#1298)
    • ⚡️ Notify change in balance when updating network fee (#1301)
    • 🛠 Fix AuditDb flaky test (#1304)
    • 👍 Better logging for transport handler (#1303)
    • 🛠 Fix networkstats API call (#1309)
    • Payment request: ignore fields with invalid length (#1308)
    • Node relayer faster fulfill (#1306)
    • 👍 Electrum: add support for socks5 proxies (#1315)
    • ⚡️ Re-send ChannelUpdate to private channels (#1317)
    • 🛠 Fix random trampoline test failure (#1318)
    • SendToRoute with routing hints (#1325)
    • 👍 Allow receiving non-standard payments (#1326)
    • ➕ Add log for normal application shutdown. (#1329)
    • Rework packaging (#1307)
    • 👉 Make Commitments method return Try[] (#1311)
    • Channel sends typed responses (#1321)
    • 🔨 Refactor MultiPartPaymentFSM (#1324)
    • 👉 Make UpfrontShutdownScript a TLV record (#1333)
    • 👍 Wumbo support (#1323)
    • Avoid illegal reflective operation during startup (#1313)
    • 🛠 fixup! Use correct assembly descriptors and use bash explicitly. (#1337)
    • Send ping if no message received from peer for 30s (#1340)
    • Payment metrics (#1312)
    • ⚡️ Update kanela-agent 1.0.1->1.0.5 (#1341)
    • 👍 Allow users to have multiple wallets in bitcoind (#1334)
    • ➕ Add more information to GetInfoResponse (#1344)
    • ⚡️ Re-send ChannelUpdate on reconnection (fixes 8afc00d) (#1342)
    • Funder reserve for future fee increase (#1319)
    • 🌲 Minor: Reduced some log levels (#1348)
    • Harden requirements on htlc-minimum-msat (#1339)
    • 📦 Centralize metrics per package (#1350)
    • 👌 Improve AddHtlcFailed (#1349)
    • Split the Peer in two (#1347)
    • 🚚 Minor: removed unused code (#1353)
    • 🛠 fixup! Support for Tor onion services (#736) (#1356)
    • 🏗 BUILD: mention that Docker is needed for tests (#1358)
    • 🛠 fixup! Split the Peer in two (#1347) (#1357)
    • 👉 Use CLTV as tie-breaker for offered htlc output sorting (#790)
    • ➕ Add wallet balance metric (#1355)
    • 🛠 fixup! Use CLTV as tie-breaker for offered htlc output sorting (#790) (#1360)
    • PostRestartHtlcCleaner handle channel closing (#1338)
    • 🛠 fixup! Harden requirements on htlc-minimum-msat (#1339) (#1362)
    • 🛠 fixup! Harden requirements on htlc-minimum-msat (#1339) (#1363)
    • 🛠 fixup! Split the Peer in two (#1347) (#1365)