status-im/nimbus-eth2 v23.5.0

on GitHub

Notes

Nimbus v23.5.0 is a medium-urgency upgrade that addresses a critical issue which was introduced in the previous version (v23.4.0). The issue was causing missed block proposals for users who were utilizing an external builder.

Improvements

• After Nimbus completes a trusted node sync executed with the --trusted-block-root flag, it will enable signature verification of all backfilled blocks, thereby reducing the assumed trust in the specified beacon node URL to merely expected data availability rather than expected data authenticity:

  #4858

• The /eth/v1/node/syncing BeaconAPI endpoint now supports the standardized el_offline property:

  #4860
  ethereum/beacon-APIs#290

• The secp256k1 library has been upgraded to version 0.3.1.

• Nimbus now supports an experimental extension of the Web3Signer protocol, allowing the signer server to verify certain properties of the signed block, such as the specified fee recipient:

  https://nimbus.guide/web3signer.html#verifying-web3signer
  #4775
  #4912

Fixes

• Nimbus was submitting blocks with incorrect state root to the attached external builder which resulted in missed block proposals:

  #4889

• Nimbus was skipping block proposals due to an inappropriate triggering of the slashing protection logic when an external builder was providing a block with insufficient value to be selected under the new --local-block-value-boost mechanism:

  #4894

• Nimbus was crashing after certain unsuccessful requests to the external block builder:

  #4890

• The Nimbus validator client was failing to perform sync committee duties when attached to multiple beacon nodes and when some of them were only optimistically synced:

  #4878

• The --trusted-block-root option was not visible in the trustedNodeSync help listing:

  #4859

• Nimbus was experiencing sporadic request time outs when being connected to the execution client over HTTP. Under specific circumstances this was introducing risk for missed attestations:

  d784672

• The required traffic to the execution client was reduced by preventing the sending of the same block multiple times:

  #4850

Urgency guidelines

low-urgency: update at your own convenience, sometime within our normal update cycle of two weeks

medium-urgency: may contain an important stability fix, it is better to update sooner rather than later

high-urgency: update as soon as you can, this is a critical update required for Nimbus to function correctly

SHA512 checksums

# Linux AMD64
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# Linux ARM64
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# Linux ARM
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# Windows AMD64
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# macOS AMD64
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# macOS ARM64
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