github.com/ava-labs/avalanchego

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

Networking

• Improved vertex and block gossiping for validators with low stake weight.
• Added peers metric by subnet.
• Added percentage of stake connected metric by subnet.

APIs

• Added support for specifying additional headers and query params in the RPC client implementations.
• Added static API clients for the platformvm and the avm.

PlatformVM

• Introduced time based windowing of accepted P-chain block heights to ensure that local networks update the proposer list timely in the proposervm.
• Improved selection of decision transactions from the mempool.

RPCChainVM

• Increased buf version to v1.3.1.
• Migrated all proto definitions to a dedicated /proto folder.
• Removed the dependency on the non-standard grpc broker to better support other language implementations.
• Added grpc metrics.
• Added grpc server health checks.

Coreth

• Fixed a bug where a deadlock on shutdown caused historical re-generation on restart.
• Added an API endpoint to fetch the current VM Config.
• Added AvalancheGo custom log formatting to the logs.
• Removed support for the JS Tracer.

Logging

• Added piping of subnet logs to stdout.
• Lazily initialized logs to avoid opening files that are never written to.
• Added support for arbitrarily deleted log files while avalanchego is running.
• Removed redundant logging configs.

Miscellaneous

• Updated minimum go version to v1.17.9.
• Added subnet bootstrapping health checks.
• Supported multiple tags per codec instantiation.
• Added minor fail-fast optimization to string packing.
• Removed dead code.
• Fixed typos.
• Simplified consensus engine Shutdown notification dispatching.
• Removed Sleep call in the inbound connection throttler.

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

Updates

• Improved subnet gossip to only send messages to nodes participating in that subnet.
• Fixed inlined VM initialization to correctly register static APIs.
• Added logging for file descriptor limit errors.
• Removed dead code from network packer.
• Improved logging of invalid hash length errors.

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

Networking

• Fixed duplicate reference decrease when closing a peer.
• Freed allocated message buffers immediately after sending.
• Added --network-peer-read-buffer-size and --network-peer-write-buffer-size config options.
• Moved peer IP signature verification to enable concurrent verifications.
• Reduced the number of connection flushes when sending messages.
• Canceled outbound connection requests on shutdown.
• Reused dialer across multiple outbound connections.
• Exported NewTestNetwork for easier external testing.

Coreth

• Reduced log level of snapshot regeneration logs.
• Enabled atomic tx replacement with higher gas fees.
• Parallelized trie index re-generation.

Miscellaneous

• Fixed incorrect BlockchainID usage in the X-chain ImportTx builder.
• Fixed incorrect OutputOwners in the P-chain ImportTx builder.
• Improved FD limit error logging and warnings.
• Rounded bootstrapping ETAs to the nearest second.
• Added gossip config support to the subnet configs.
• Optimized various queue removals for improved memory freeing.
• Added a basic X-chain E2E usage test to the new testing framework.

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

Networking

• Refactored the networking library to track potential peers by nodeID rather than IP.
• Separated peer connections from the mesh network implementation to simplify testing.
• Fixed duplicate Connected messages bug.
• Supported establishing outbound connections with peers reporting different inbound and outbound IPs.

Database

• Disabled seek compaction in leveldb by default.

GRPC

• Increased protocol version, this requires all plugin definitions to update their communication dependencies.
• Merged services to be served using the same server when possible.
• Implemented a fast path for simple HTTP requests.
• Removed duplicated message definitions.
• Improved error reporting around invalid plugins.

Coreth

• Optimized FeeHistory API.
• Added protection to prevent accidental corruption of archival node trie index.
• Added capability to restore complete trie index on best effort basis.
• Rounded up fastcache sizes to utilize all mmap'd memory in chunks of 64MB.

Configs

• Removed --inbound-connection-throttling-max-recent
• Renamed --network-peer-list-size to --network-peer-list-num-validator-ips
• Removed --network-peer-list-gossip-size
• Removed --network-peer-list-staker-gossip-fraction
• Added --network-peer-list-validator-gossip-size
• Added --network-peer-list-non-validator-gossip-size
• Removed --network-get-version-timeout
• Removed --benchlist-peer-summary-enabled
• Removed --peer-alias-timeout

Miscellaneous

• Fixed error reporting when making Avalanche chains that did not manually specify a primary alias.
• Added beacon utils for easier programmatic handling of beacon nodes.
• Resolved the default log directory on initialization to avoid additional error handling.
• Added support to the chain state module to specify an arbitrary new accepted block.

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

Consensus

• Introduced a new vertex type to support future Avalanche based network upgrades.
• Added pending message metrics to the chain message queues.
• Refactored event dispatchers to simplify dependencies and remove dead code.

PlatformVM

• Added json encoding option to the platform.getTx call.
• Added platform.getBlock API.
• Cleaned up block building logic to be more modular and testable.

Coreth

• Increased FeeHistory maximum historical limit to improve MetaMask UI on the C-Chain.
• Enabled chain state metrics.
• Migrated go-ethereum v1.10.16 changes.

Miscellaneous

• Added the ability to load new VM plugins dynamically.
• Implemented X-chain + P-chain wallet that can be used to build and sign transactions. Without providing a full node private keys.
• Integrated e2e testing to the repo to avoid maintaining multiple synced repos.
• Fixed proposervm height indexing check to correctly mark the indexer as repaired.
• Introduced message throttling overrides to be used in future improvements to reliably send messages.
• Introduced a cap on the client specified request deadline.
• Increased the default leveldb open files limit to 1024.
• Documented the leveldb configurations.
• Extended chain shutdown timeout.
• Performed various cleanup passes.