Release: elrond-go - v1.3.48

Release date: November 08, 2022

Fix accounts trie remover config value

The config value AccountsTrieCleanOldEpochsData was not used. Therefore we added a factory function that creates either a custom or a disabled DB remover, based on the config value.

Heartbeat-v2 improvements and fixing

  • Observer to observer connection issue was detected, leading to increased sync time. The root cause of the issue was that the unknown peers list of each node would have been filled super fast, thus new observers being ignored and hardly being able to synchronize. What we did was broadcast observers' shard on the entire network via peerShardMessage (old directConnectionMessage).
  • We fixed the heartbeat-v2 monitor for when a validator used the redundancy feature because we observed that after the upgrade to v1.3.44, when some validators activated the redundancy feature, the numInstances value from the hearbeatStatus route wrongly indicated the value 2.
  • After some Mainnet nodes upgrade, the observed heartbeat status response randomly showed active or inactive nodes in the network. This was caused by the fact that the node returned all messages (inactive or active) even though the public key was now behind another peer ID. To combat this, we’ve implemented a new algorithm for better filtering: i. if all stored messages show inactive nodes, only keep the latest message, remove the older ones, and put the value 0 on the NumInstances field from the data.PubKeyHeartbeat structure; ii. if all stored messages show only active nodes, sort the messages based on the peerId (so that the response will be consistent on all requests), take the first active heartbeat message and set the NumInstances field from data.PubKeyHeartbeat structure to the number of active messages the node has; iii. if some stored messages show inactive nodes and others show active nodes, remove the stored messages that show inactive nodes and for the rest of the messages showing active nodes, apply (ii).

New direct connection processor

We’ve added a new directConnectionProcessor because the existing method of splitting the directly connected peers on shards had some issues when trying to decide if a peer was a cross-shard peer or an intra-shard one.

Add epoch start data endpoint

Added /epoch-start/:epoch for returning the epoch start data for a given epoch.

Get logs on a best-effort basis

We observed that right at the beginning of an epoch, logs & events of a transaction can be mistakenly saved in the storage associated with the previous epoch, that’s why we attempted to load them from both the requested epoch N, and from the epoch N-1.

This release is fully backwards compatible!

Configuration Release Notes: v1.3.48.0. Full GitHub Changelog: v1.3.48.

Feel free to send us a feedback or open a topic in our Github Discussions tab and share your thoughts so that the entire Elrond community can hear you. If you have a great idea, share it with us and let's make it happen by implementing and integrating it in our ecosystem.

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