Spring v1.0.2

This release focuses on enhancing stability and performance, with improved block synchronization, logging, and system compatibility.

Notable Changes

• Support for Linux Kernel 4.15: Added compatibility for systems running Linux Kernel 4.15 by falling back to random_access_file, ensuring broader platform support. (#780)
• P2P synchronization enhancements: P2P connections continue during snapshot operations, improved reconnection handling, prevented syncing ahead in irreversible mode, and continue syncing when last irreversible block (LIB) is paused. (#768, #838, #811, #777)
• State History ABI updates: Added block header extension types to the state history ABI, enhancing developers' ability to work with extended block data. (#783)
• Improved logging accuracy: Enhanced the reporting of produced and received block times, disambiguated time entries in logs, and updated handshake logs to debug level to reduce verbosity. (#850, #837, #839)
• Fixed hangs on shutdown and exit: Resolved issues that caused the node to hang during shutdown processes, ensuring smoother and more reliable operations. (#845, #816)

Complete Change Log

SHiP

• Fix hang on exit, draining references to SHiP found in io_service.
• Fix hang on shutdown.
• Add block header extensions types to state history ABI.

P2P

• Normally wait for connection monitor to reconnect.
• Prevent sync ahead in irreversible mode.
• P2P: Allow irreversible mode syncing to continue when LIB is paused.
• Continue P2P connections while performing a snapshot.

Logging

• Fix reported time for produced blocks and disambiguate time in logs.
• Improve reported time for receiving and applying blocks.
• Update Produced block and Received block logs to report lib as the last irreversible block according to the reported received or produced block instead of the fork database root.
• Change handshake logs to debug instead of info.

System Compatibility

• Support Linux Kernel 4.15, by falling back to random_access_file for the older kernel.

System Stability

• Take into account that a claimed block may already be irreversible in consider_voting.

Tests

• Enhance test framework and test cases to sync and replay using actual committed reference blockchain data.
• Addition test coverage to validate version support for finalizer safety file.
• New test case where finality advances on lesser LIB.
• Split up long running tests so CICD can finish faster.
• Enable debug logging of the vote logger to support unittest.
• P2P: Increase timeout of sync throttle test.

Contributors

Special thanks to the contributors that submitted patches for this release:

• @linh2931
• @greg7mdp
• @heifner
• @spoonincode