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Merged
t-bast merged 1 commit into from
Mar 24, 2026
Merged

Update Bitcoin Core to v30.2 #3274

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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -62,7 +62,7 @@ This means that instead of re-implementing them, Eclair benefits from the verifi

* Eclair needs a _synchronized_, _segwit-ready_, **_zeromq-enabled_**, _wallet-enabled_, _non-pruning_, _tx-indexing_ [Bitcoin Core](https://github.com/bitcoin/bitcoin) node.
* You must configure your Bitcoin node to use `bech32` or `bech32m` (segwit) addresses. If your wallet has "non-segwit UTXOs" (outputs that are neither `p2sh-segwit`, `bech32` or `bech32m`), you must send them to a `bech32` or `bech32m` address before running Eclair.
* Eclair requires Bitcoin Core 29 or higher. If you are upgrading an existing wallet, you may need to create a new address and send all your funds to that address.
* Eclair requires Bitcoin Core 30 or higher. If you are upgrading an existing wallet, you may need to create a new address and send all your funds to that address.

Run bitcoind with the following minimal `bitcoin.conf`:

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5 changes: 5 additions & 0 deletions docs/release-notes/eclair-vnext.md
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Expand Up @@ -4,6 +4,11 @@

## Major changes

### Update minimal version of Bitcoin Core

With this release, eclair requires using Bitcoin Core 30.x.
Newer versions of Bitcoin Core may be used, but have not been extensively tested.

### Remove support for non-anchor channels

We remove the code used to support legacy channels that don't use anchor outputs or taproot.
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12 changes: 6 additions & 6 deletions eclair-core/pom.xml
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Expand Up @@ -87,8 +87,8 @@
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<bitcoind.url>https://bitcoincore.org/bin/bitcoin-core-29.2/bitcoin-29.2-x86_64-linux-gnu.tar.gz</bitcoind.url>
<bitcoind.sha256>1fd58d0ae94b8a9e21bbaeab7d53395a44976e82bd5492b0a894826c135f9009</bitcoind.sha256>
<bitcoind.url>https://bitcoincore.org/bin/bitcoin-core-30.2/bitcoin-30.2-x86_64-linux-gnu.tar.gz</bitcoind.url>
<bitcoind.sha256>6aa7bb4feb699c4c6262dd23e4004191f6df7f373b5d5978b5bcdd4bb72f75d8</bitcoind.sha256>
</properties>
</profile>
<profile>
Expand All @@ -99,8 +99,8 @@
</os>
</activation>
<properties>
<bitcoind.url>https://bitcoincore.org/bin/bitcoin-core-29.2/bitcoin-29.2-x86_64-apple-darwin.tar.gz</bitcoind.url>
<bitcoind.sha256>69ca05fbe838123091cf4d6d2675352f36cf55f49e2e6fb3b52fcf32b5e8dd9f</bitcoind.sha256>
<bitcoind.url>https://bitcoincore.org/bin/bitcoin-core-30.2/bitcoin-30.2-x86_64-apple-darwin.tar.gz</bitcoind.url>
<bitcoind.sha256>99d5cee9b9c37be506396c30837a4b98e320bfea71c474d6120a7e8eb6075c7b</bitcoind.sha256>
</properties>
</profile>
<profile>
Expand All @@ -111,8 +111,8 @@
</os>
</activation>
<properties>
<bitcoind.url>https://bitcoincore.org/bin/bitcoin-core-29.2/bitcoin-29.2-win64.zip</bitcoind.url>
<bitcoind.sha256>83f90a5bab1fc30849862aa1db88906b91e0730b78993c085f9e547a1c3cce79</bitcoind.sha256>
<bitcoind.url>https://bitcoincore.org/bin/bitcoin-core-30.2/bitcoin-30.2-win64.zip</bitcoind.url>
<bitcoind.sha256>0d7e1f16f8823aa26d29b44855ff6dbac11c03d75631a6c1d2ea5fab3a84fdf8</bitcoind.sha256>
</properties>
</profile>
</profiles>
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2 changes: 1 addition & 1 deletion eclair-core/src/main/scala/fr/acinq/eclair/Setup.scala
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Expand Up @@ -195,7 +195,7 @@ class Setup(val datadir: File,
await(getBitcoinStatus(bitcoinClient), 30 seconds, "bitcoind did not respond after 30 seconds")
}
logger.info(s"bitcoind version=${bitcoinStatus.version}")
assert(bitcoinStatus.version >= 290000, "Eclair requires Bitcoin Core 29 or higher")
assert(bitcoinStatus.version >= 300000, "Eclair requires Bitcoin Core 30 or higher")
bitcoinStatus.unspentAddresses.foreach { address =>
val isSegwit = addressToPublicKeyScript(bitcoinStatus.chainHash, address).map(script => Script.isNativeWitnessScript(script)).getOrElse(false)
assert(isSegwit, s"Your wallet contains non-segwit UTXOs (e.g. address=$address). You must send those UTXOs to a segwit address to use Eclair (check out our README for more details).")
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2 changes: 1 addition & 1 deletion eclair-core/src/test/scala/fr/acinq/eclair/blockchain/bitcoind/BitcoindService.scala
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Expand Up @@ -62,7 +62,7 @@ trait BitcoindService extends Logging {

val PATH_BITCOIND = sys.env.get("BITCOIND_DIR") match {
case Some(customBitcoinDir) => new File(customBitcoinDir, "bitcoind")
case None => new File(TestUtils.BUILD_DIRECTORY, "bitcoin-29.2/bin/bitcoind")
case None => new File(TestUtils.BUILD_DIRECTORY, "bitcoin-30.2/bin/bitcoind")
}
logger.info(s"using bitcoind: $PATH_BITCOIND")
val PATH_BITCOIND_DATADIR = new File(INTEGRATION_TMP_DIR, "datadir-bitcoin")
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