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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

  • Lightweight custom chainspec mode (--chain light:<path-or-json>) for warm datadir restarts without reparsing large genesis allocs, including automatic .light.json sidecar generation from full file-based genesis specs (#253)

Changed

  • Upgraded Reth from v2.0.0 to v2.2.0, with matching Alloy 2.x, revm 38.0.0, alloy-evm 0.34.0, reth-codecs 0.3.1, Tokio 1.52, Clap 4.6, and related dependency updates (#223, #236, #250)
  • Updated Engine API payload handling for Amsterdam-era fields, including payload attribute slot numbers and V6 execution payload block access list / slot number propagation.
  • Updated EvNode batch transaction gas validation and block execution accounting for Amsterdam/EIP-8037 state gas and transaction gas-limit cap semantics.
  • Changed FeeVault from Hyperlane HypNativeMinter bridging to a simpler native-token splitter: distribute() now sends the bridge share to bridgeRecipient and the remainder to otherRecipient; storage layout, constructor args, events, scripts, and docs were updated accordingly.
  • Split ev-deployer init into explicit mode subcommands; use ev-deployer init genesis or ev-deployer init deploy instead of the old single init command.
  • ev-deployer config validation now rejects duplicate deployment addresses and requires addresses only for genesis mode, while deploy mode computes addresses from CREATE2 inputs.

Fixed

  • Tracing fields now use display formatting where appropriate, improving structured logs for addresses, hashes, gas limits, and errors (#255)
  • Native minting precompile authorization, ABI decode, balance overflow, and insufficient-balance failures now halt the precompile call instead of surfacing as fatal precompile errors
  • Preallocated block receipt storage from the transaction-count hint to reduce avoidable allocations during block execution
  • Preserved existing lightweight chainspec sidecars when a new full genesis produces a different genesis hash, writing a hash-specific sidecar instead of overwriting the old one (#253)

[0.4.0] - 2026-04-17

Note: v0.3.0 was never released (only v0.3.0-beta shipped). Changes originally staged under v0.3.0 are rolled into v0.4.0 below so the upgrade path is v0.2.x → v0.4.0.

Added

  • ev-deployer CLI (bin/ev-deployer) for generating genesis alloc entries with embedded contract bytecodes (#167)
  • ev-dev binary (bin/ev-dev): one-command local development chain with pre-funded Hardhat accounts, similar to Anvil or Hardhat Node
  • Transaction sponsor service (bin/sponsor-service) for signing EvNode transactions on behalf of users via JSON-RPC proxy (#141)
  • Granular tracing instrumentation spans across payload building, transaction validation, and EVM execution
  • EV_TRACE_LEVEL env var to control OTLP span export verbosity independently from RUST_LOG stdout log level (#156)
  • EvNode transaction type (0x76) with atomic batch calls and fee-payer sponsorship (#103)
  • Viem client library (@evstack/evnode-viem) for building, signing, and sponsoring EvNode transactions (#112)
  • End-to-end tests for the EvNode client (#118)
  • Tini init process in Docker images for proper signal handling (#115)

Changed

  • Upgraded Reth from v1.8.4 to v2.0.0 with Osaka/EOF hardfork support, Storage V2, revm 36.0.0, and alloy-evm 0.30.0 (#106, #207)
  • reth-primitives imports migrated to alloy_consensus and reth_ethereum_primitives (upstream crate removed)
  • Txpool fallback (pulling pending transactions when Engine API attributes are empty) restricted to --dev mode only
  • Migrated build system from Makefile to Justfile
  • Disabled default features on several reth crates to unblock SP1 proving work (#111)
  • Removed unused thiserror dependency from ev-precompiles crate

Fixed

  • Payload builder now uses decode_2718_exact instead of network_decode for Engine API payloads, fixing silent drops of valid type 0x76 and EIP-1559/EIP-2930 transactions (#219)
  • Payload builder now pulls pending transactions from the txpool in --dev mode, fixing cast send and other RPC-submitted transactions not being included in blocks
  • Txpool now uses sponsor balance for pending/queued ordering in sponsored EvNode transactions, and validates executor balance separately for call value transfers (#141)
  • Permissioned EVM deploy allowlist validation when gas is explicitly specified (#122)
  • Additional test coverage for deploy allowlist edge cases across all transaction types

[0.2.2] - 2026-01-22

Added

  • Permissioned EVM support allowing configurable address-based access control (#100)
  • EIP-1559 settings to chain configuration for customizing base fee parameters (#99)
  • AdminProxy contract for administrative operations (#97)
  • ADR 003: typed sponsorship transactions and batch execution documentation (#96)
  • Fee system guide documentation (#101)