0xsoniclabs/sonic v2.2.1

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Version 2.2.1 is a stability release. Upgrading is recommended for all operators but is not mandatory — the minimum version required to support the Brio hard-fork is still 2.2.0.

Changed

• Changed the format of SELFDESTRUCT (suicide) traces returned by trace_ RPC methods to match the Parity/OpenEthereum specification: the refund address field was renamed from refund_address to
  refundAddress, suicide actions now carry only address, refundAddress and balance, and their result is an explicit null.
• Fields from, value and gas are no longer reported with zero values in trace_ RPC results when not applicable to the trace type.
• The metrics and pprof HTTP endpoints now enforce request timeouts.
• The node terminates with a distinct exit code (74) when it stops permanently due to an unrecoverable issue, instead of an unspecific failure.
• Reduced log verbosity and resource utilization during event processing.

Removed

• Remove SCC RPC namespace, the feature was not completed.
• Remove debug_blocksTransactionTimes RPC method.
• Remove debug_testSignCliqueBlock RPC method, which was never supported by Sonic.

Fixed

• General robustness and hardening improvements of the node's external interfaces.
• Fixed handling of omitted optional parameters in the debug_traceCall RPC method.
• Improved shutdown behavior of the node and sonictool, removing spurious error reports.