Apricot Phase 5 - Patch 12

v1.7.12

This version is backwards compatible to v1.7.0. It is optional, but encouraged.

State Sync

• Fixed proposervm state summary acceptance to only accept state summaries with heights higher than the locally last accepted block
• Fixed proposervm state summary serving to only respond to requests after height indexing has finished
• Improved C-chain state sync leaf request serving by optimistically reading leaves from snapshot
• Refactored C-chain state sync block fetching

Networking

• Reduced default peerlist and accepted frontier gossipping
• Increased the default at-large outbound buffer size to 32 MiB

Metrics

• Added leveldb metrics
• Added process and golang metrics for the avalanchego binary
• Added available disk space health check
  • Ensured that the disk space will not be fully utilized by shutting down the node if there is a critically low amount of free space remaining
• Improved C-chain state sync metrics

Performance

• Added C-chain acceptor queue within core/blockchain.go
• Removed rpcdb locking when committing batches and using iterators
• Capped C-chain TrieDB dirties cache size during block acceptance to reduce commit size at 4096 block interval

Cleanup

• Refactored the avm to utilize the external txs package
• Unified platformvm dropped tx handling
• Clarified snowman child block acceptance calls
• Fixed small consensus typos
• Reduced minor duplicated code in consensus
• Moved the platformvm key factory out of the VM into the test file
• Removed unused return values from the timeout manager
• Removed weird json rpc private interface
• Standardized json imports
• Added vm factory interface checks