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Release Notes

Pending Release

  • Disable incompatible APIs for Firewood
    • StorageRangeAt
    • GetModifiedAccountsByNumber
    • GetModifiedAccountsByHash
  • Removed deprecated flag tx-lookup-limit. Use transaction-history instead.
  • Add pending releases here

v0.7.8

This version is backwards compatible to v0.7.0. It is optional, but encouraged.

AvalancheGo Compatibility

The plugin version is updated to 43 and is compatible with AvalancheGo version v1.13.4.

Updates

  • Enable experimental state-scheme flag to specify Firewood as a state database.
  • Added prometheus metrics for Firewood if it is enabled and expensive metrics are being used.

v0.7.7

This version is backwards compatible to v0.7.0. It is optional, but encouraged.

AvalancheGo Compatibility

The plugin version is updated to 42 and is compatible with AvalancheGo version v1.13.3.

Updates

  • Demoted unnecessary error log in core/txpool/legacypool.go to warning, displaying unexpected but valid behavior
  • Added maximum number of addresses (1000) to be queried in a single filter
  • Use state-history eth config flag to designate the number of recent states queryable

v0.7.6

This release should be skipped entirely in favor of 0.7.7 due to the use of a AvalancheGo release candidate version.

v0.7.5

This version is backwards compatible to v0.7.0. It is optional, but encouraged.

AvalancheGo Compatibility

The plugin version is updated to 41 and is compatible with AvalancheGo version v1.13.2.

Breaking changes

  • Removed static API handler and functions: subnetevm.decodeGenesis, subnetevm.buildGenesis

Updates

  • Updated AvalancheGo dependency to v1.13.2
  • Updated libevm dependency to v1.13.14-0.3.0.rc.1
  • Reduced custom types and simplified VM tests
  • Fixed log structuring and removed handler special cases

v0.7.4

  • Major refactor to use libevm for EVM execution, database access, types & chain configuration. This improves maintainability and enables keeping up with upstream changes more easily.
  • Wrapped database with corruptabledb to prevent corruption of the database.
  • Updated dockerhub image name to avaplatform/subnet-evm_avalanchego and tags to accommodate the new versioning scheme: {subnet-evm version}_{avalanchego version}
  • Updated golang version to 1.23.9
  • Fixed a bug in mempool where the min fee was not updated after restart

v0.7.3

This version is backwards compatible to v0.7.0. It is optional, but encouraged.

AvalancheGo Compatibility

The plugin version is unchanged at 39 and is compatible with AvalancheGo version v1.13.0.

Breaking changes

  • eth_getProof calls for historical state will be rejected by default (#1494: 4e5b9d86c617f046fd7ce36b9cbd76a6e27b4bc5)
    • On archive nodes ("pruning-enabled": false): queries for historical proofs for state older than approximately 24 hours preceding the last accepted block will be rejected by default. This can be adjusted with the new option historical-proof-query-window which defines the number of blocks before the last accepted block which should be accepted for state proof queries, or set to 0 to accept any block number state query (previous behavior).
    • On pruning nodes: queries for proofs past the tip buffer (32 blocks) will be rejected. This is in support of moving to a path based storage scheme, which does not support historical state proofs.

Features

  • Add Fortuna upgrade as optional and defaulting to a nil timestamp (#1494, #1498)
  • Docker images Debian base upgraded from Bullseye (11) to Bookworm (12) (#1497)
  • AvalancheGo version upgraded from v1.12.3-0.20250218154446-f1ec9a13b90a to v1.13.0
  • plugin/evm/client: add NewClientWithURL function (#1509)

Fixes

  • Fix nil block possible bug in debug APIs (#1494: 0af9717087e6adafccf3486c770ae08cba09b751)

Documentation

  • plugin/evm: add local API docs (#1513)
  • 2023 Least Authority Audit (#1499)
  • precompile/contracts/warp:
    • changes for 9000 upgrade (#1494)
    • differentiate between L1 and Subnet self-signing optimization cases (#1529)
  • simulator: fix wrong flag name staking-enabled -> --sybil-protection-enabled=false (#1476)
  • typo fixes (#1491, #1506)

Full Changelog: https://github.com/ava-labs/subnet-evm/compare/v0.7.2...v0.7.3

v0.7.2

This version is backwards compatible to v0.7.0. It is optional, but strongly encouraged as it's fixing an important bug in uptime tracking.

AvalancheGo Compatibility

The plugin version is unchanged at 39 and is compatible with AvalancheGo version v1.12.2.

Updates

  • Fixed concurrency issue in validators/uptime manager
  • Bump golang version to v1.23.6
  • Bump golangci-lint to v1.63 and add linters

v0.7.1

This release focuses on code quality improvements and post-Etna cleanups.

Compatibility

The plugin version is updated to 39 and is compatible with AvalancheGo version v1.12.2.

Updates

  • Moved client type and structs to new plugin/evm/client package
  • Fixed statedb improper copy issue
  • Limited the maximum number of query-able rewardPercentile by 100 in eth_feeHistory API
  • Refactored trie_prefetcher.go to be structurally similar to upstream
  • Removed deprecated legacy gossip handler and metrics
  • Removed unnecessary locks in mempool

v0.7.0

Updates

  • Changed default write option from Sync to NoSync in PebbleDB

Fixes

  • Fixed database close on shutdown

v0.6.11

This release focuses on Standalone DB and database configs.

This version is backwards compatible to v0.6.0. It is optional, but encouraged.

The plugin version is unchanged at 37 and is compatible with AvalancheGo versions v1.11.12.

Updates

  • Added Standalone DB creation in chain data directory (~/.avalanchego/chainData/{chain-ID}/db/). Subnet-EVM will create seperate databases for chains by default if there is no accepted blocks previously
  • Refactored Warp Backend to support new payload types
  • Refactored TrieDB reference root configuration
  • Bumped AvalancheGo dependency to v1.11.12
  • Bumped minimum Golang version to v1.22.8

Configs

  • Added following new database options:
    • "use-standalone-database" (bool): If true it enables creation of standalone database. If false it uses the GRPC Database provided by AvalancheGo. Default is nil and creates the standalone database only if there is no accepted block in the AvalancheGo database (node has not accepted any blocks for this chain)
    • "database-type" (string): Specifies the type of database to use. Must be one of pebbledb, leveldb or memdb. memdb is an in-memory, non-persisted database. Default is pebbledb
    • "database-config-file" (string): Path to the database config file. Config file is changed for every database type. See docs for available configs per database type. Ignored if --config-file-content is specified
    • "database-config-file-content" (string): As an alternative to database-config-file, it allows specifying base64 encoded database config content
    • "database-path" (string): Specifies the directory to which the standalone database is persisted. Defaults to "$HOME/.avalanchego/chainData/{chainID}"
    • "database-read-only" (bool) : Specifies if the standalone database should be a read-only type. Defaults to false

Fixes

  • Fixed Eth upgrade mapping with Avalanche upgrades in genesis
  • Fixed transaction size tracking in worker environment
  • Fixed a rare case of VM's shutting down ends up panicking in RPC server