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v0.12.3

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@ajsutton ajsutton released this 11 Aug 23:14
· 4072 commits to master since this release
0.12.3
b0525ca
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Learn about vigilant mode.

Prebuilt binaries are available from https://bintray.com/consensys/pegasys-repo/teku/0.12.3#files

Breaking Changes

  • Removed --validators-unencrypted-key-files option. This was only intended for early interop testing. Keys should be loaded from encrypted keystores.

Additions and Improvements

  • Add basic built-in slashing protection. Note that this only a last line of defence against bugs in the beacon node and will not prevent slashing if validator keys are run in multiple processes simultaneously.
  • Validator duty logging is now enabled by default. It can be disabled with --log-include-validator-duties-enabled=false
  • Add updated Medalla bootnodes
  • Updated to be compliant with beacon chain spec 0.12.2
  • Prioritise more recent attestations when creating blocks as they pay higher rewards
  • Refuse to start if the existing database is from a different network to the current configuration
  • Added rate limiting for remote peers based on both number of blocks requested and total number of requests made
  • Discovery now requires confirmation from multiple peers before updating the external IP reported by the node
  • Improved interoperability with other clients: seqno field is now optional for libp2p messages
  • REST API updates:
    • Added genesis validator root to the /node/fork REST API
    • Added /validator/aggregate_attestation
    • Added /validator/persistent_subnets_subscription
    • Added /validator/beacon_committee_subscription
    • Added /validator/aggregate_and_proofs
    • Added /node/pending_attestation_count
  • Report the current peer count in "time to genesis"
  • Added UInt64 overflow and underflow detection
  • Improved performance of list shuffling operations
  • Snappy compression is now enabled by default for custom networks. It can be disabled with --p2p-snappy-enabled=false

Bug Fixes

  • Fixed vector for DOS attack caused by not throttling libp2p response rate. (See libp2p/jvm-libp2p#127 and ethereum/public-attacknets#7 for futher details)
  • Fixed issue that delayed publication of created attestations by a slot
  • Fixed "Invalid attestation: Signature is invalid" errors caused by incorrect caching of committee selections (see #2501 for further details)
  • Fixed issues where validators failed to perform duties because the node incorrectly returned to syncing state
  • Fixed --logging option to accept lowercase debug option. Renamed the debug subcommand to avoid the naming conflict
  • Avoid lock contention when reading in-memory storage metrics
  • Reduced memory usage when loading large numbers of scrypt encoded keystores
  • Increased read timeout for ETH1 requests to avoid repeatedly timing out when the ETH1 node is slow
  • Reduced noise in logs from ClosedChannelException when a peer unexpected disconnects
  • Fixed IllegalArgumentException when RPC response code was greater than 127
  • Fixed IllegalArgumentException when unexpectedly short discovery messages were received
  • Fixed very frequenet InternalErrorException when a peer disconnected during initial libp2p handshake
  • Fixed crash during shutdown caused by metrics accessing RocksDB after it was closed
  • Restricted the maximum epoch value accepted by REST API to ensure it can be converted to a slot without overflowing uint64
  • Fixed help text for --p2p-discovery-bootnodes
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