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Changelog

Test fixtures for use by clients are available for each release on the Github releases page.

Key: ✨ = New, 🐞 = Fixed, 🔀 = Changed, 💥 = Breaking change.

🔜 Unreleased - 2024-xx-xx

🧪 Test Cases

🛠️ Framework

  • 🐞 Fix incorrect != operator for FixedSizeBytes (#477).
  • ✨ Add Macro enum that represents byte sequence of Op instructions (#457)
  • ✨ Number of parameters used to call opcodes (to generate bytecode) is now checked (#492).
  • ✨ Libraries have been refactored to use pydantic for type checking in most test types (#486, #501, #508).
  • ✨ Opcodes are now subscriptable and it's used to define the data portion of the opcode: Op.PUSH1(1) == Op.PUSH1[1] == b"\x60\x01" (#513)
  • ✨ Added EOF fixture format (#512).
  • ✨ Verify filled EOF fixtures using evmone-eofparse during fill execution (#519).
  • ✨ Added --traces support when running with Hyperledger Besu (#511).
  • ✨ Use pytest's "short" traceback style (--tb=short) for failure summaries in the test report for more compact terminal output (#542).
  • ✨ The fill command now generates HTML test reports with links to the JSON fixtures and debug information (#537).
  • ✨ Add an Ethereum RPC client class for use with consume commands (#556).
  • ✨ Add a "slow" pytest marker, in order to be able to limit the filled tests until release (#562).
  • ✨ Add a CLI tool that generates blockchain tests as Python from a transaction hash (#470, #576).
  • ✨ Add more Transaction and Block exceptions from existing ethereum/tests repo (#572).
  • ✨ Add "description" and "url" fields containing test case documentation and a source code permalink to fixtures during fill and use them in consume-generated Hive test reports (#579).
  • ✨ Add git workflow evmone coverage script for any new lines mentioned in converted_ethereum_tests.txt (#503).
  • ✨ Add a new covariant marker with_all_contract_creating_tx_types that allows automatic parametrization of a test with all contract-creating transaction types at the current executing fork (#602).
  • ✨ Enable loading of ethereum/tests/BlockchainTests (#596).

🔧 EVM Tools

📋 Misc

  • 🐞 Fix CI by using Golang 1.21 in Github Actions to build geth (#484).
  • 💥 "Merge" has been renamed to "Paris" in the "network" field of the Blockchain tests, and in the "post" field of the State tests (#480).
  • ✨ Port entry point scripts to use click and add tests (#483).
  • 💥 As part of the pydantic conversion, the fixtures have the following (possibly breaking) changes (#486):
    • State test field transaction now uses the proper zero-padded hex number format for fields maxPriorityFeePerGas, maxFeePerGas, and maxFeePerBlobGas
    • Fixtures' hashes (in the _info field) are now calculated by removing the "_info" field entirely instead of it being set to an empty dict.
  • 🐞 Relax minor and patch dependency requirements to avoid conflicting package dependencies (#510).
  • 🔀 Update all CI actions to use their respective Node.js 20 versions, ahead of their Node.js 16 version deprecations (#527).
  • ✨ Releases now contain a fixtures_eip7692.tar.gz which contains all EOF fixtures (#573).
  • ✨ Use solc-select for tox when running locally and within CI (#604).

💥 Breaking Change

  • Cancun is now the latest deployed fork, and the development fork is now Prague (#489).
  • Stable fixtures artifact fixtures.tar.gz has been renamed to fixtures_stable.tar.gz (#573)

🔜 v2.1.1 - 2024-03-09

🧪 Test Cases

  • 🐞 Dynamic create2 collision from different transactions same block (#430).
  • 🐞 Fix beacon root contract deployment tests so the account in the pre-alloc is not empty (#425).
  • 🔀 All beacon root contract tests are now contained in tests/cancun/eip4788_beacon_root/test_beacon_root_contract.py, and all state tests have been converted back to blockchain tests format (#449)

🛠️ Framework

  • ✨ Adds two consume commands #339:

    1. consume direct - Execute a test fixture directly against a client using a blocktest-like command (currently only geth supported).
    2. consume rlp - Execute a test fixture in a hive simulator against a client that imports the test's genesis config and blocks as RLP upon startup. This is a re-write of the ethereum/consensus Golang simulator.

  • ✨ Add Prague to forks (#419).

  • ✨ Improve handling of the argument passed to solc --evm-version when compiling Yul code (#418).

  • 🐞 Fix fill -m yul_test which failed to filter tests that are (dynamically) marked as a yul test (#418).

  • 🔀 Helper methods to_address, to_hash and to_hash_bytes have been deprecated in favor of Address and Hash, which are automatically detected as opcode parameters and pushed to the stack in the resulting bytecode (#422).

  • ✨ Opcodes enum now contains docstrings with each opcode description, including parameters and return values, which show up in many development environments (#424) @ThreeHrSleep.

  • 🔀 Locally calculate state root for the genesis blocks in the blockchain tests instead of calling t8n (#450).

  • 🐞 Fix bug that causes an exception during test collection because the fork parameter contains None (#452).

  • ✨ The _info field in the test fixtures now contains a hash field, which is the hash of the test fixture, and a hasher script has been added which prints and performs calculations on top of the hashes of all fixtures (see hasher -h) (#454).

  • ✨ Adds an optional verify_sync field to hive blockchain tests (EngineAPI). When set to true a second client attempts to sync to the first client that executed the tests (#431).

  • 🐞 Fix manually setting the gas limit in the genesis test env for post genesis blocks in blockchain tests (#472).

🔧 EVM Tools

📋 Misc

  • 🐞 Fix deprecation warnings due to outdated config in recommended VS Code project settings (#420).
  • 🐞 Fix typo in the selfdestruct revert tests module (#421).

v2.1.0 - 2024-01-29: 🐍🏖️ Cancun

Release v2.1.0 primarily fixes a small bug introduced within the previous release where transition forks are used within the new StateTest format. This was highlighted by @chfast within #405 (#405), where the fork name ShanghaiToCancunAtTime15k was found within state tests.

🧪 Test Cases

  • ✨ EIP-4844: Adds test_blob_gas_subtraction_tx() verifying the blob gas fee is subtracted from the sender before executing the blob tx (#407).

🛠️ Framework

  • 🐞 State tests generated with transition forks no longer use the transition fork name in the fixture output, instead they use the actual enabled fork according to the state test's block number and timestamp (#406).

📋 Misc

  • ✨ Use run-parallel and shared wheel packages for tox (#408).

v2.0.0 - 2024-01-25: 🐍🏖️ Cancun

Release v2.0.0 contains many important framework changes, including introduction of the StateTest format, and some additional Cancun and other test coverage.

Due to changes in the framework, there is a breaking change in the directory structure in the release tarball, please see the dedicated "💥 Breaking Changes" section below for more information.

🧪 Test Cases

  • ✨ EIP-4844: Add test_sufficient_balance_blob_tx() and test_sufficient_balance_blob_tx_pre_fund_tx() (#379).
  • ✨ EIP-6780: Add a reentrancy suicide revert test (#372).
  • ✨ EIP-1153: Add test_run_until_out_of_gas() for transient storage opcodes (#401).
  • ✨ EIP-198: Add tests for the MODEXP precompile (#364).
  • ✨ Tests for nested CALL and CALLCODE gas consumption with a positive value transfer (previously lacking coverage) (#371).
  • 🐞 EIP-4844: Fixed test_invalid_tx_max_fee_per_blob_gas() to account for extra gas required in the case where the account is incorrectly deduced the balance as if it had the correct block blob gas fee (#370).
  • 🐞 EIP-4844: Fixed test_insufficient_balance_blob_tx() to correctly calculate the minimum balance required for the accounts (#379).
  • 🐞 EIP-4844: Fix and enable test_invalid_blob_tx_contract_creation (#379).
  • 🔀 Convert all eligible BlockchainTests to StateTests (and additionally generate corresponding BlockchainTests) (#368, #370).

🛠️ Framework

  • ✨ Add StateTest fixture format generation; StateTests now generate a StateTest and a corresponding BlockchainTest test fixture, previously only BlockchainTest fixtures were generated (#368).
  • ✨ Add StateTestOnly fixture format is now available and its only difference with StateTest is that it does not produce a BlockchainTest (#368).
  • ✨ Add evm_bytes_to_python command-line utility which converts EVM bytecode to Python Opcodes (#357).
  • ✨ Fork objects used to write tests can now be compared using the >, >=, <, <= operators, to check for a fork being newer than, newer than or equal, older than, older than or equal, respectively when compared against other fork (#367).
  • ✨ Add solc 0.8.23 support (#373).
  • ✨ Add framework unit tests for post state exception verification (#350).
  • ✨ Add a helper class ethereum_test_tools.TestParameterGroup to define test parameters as dataclasses and auto-generate test IDs (#364).
  • ✨ Add a --single-fixture-per-file flag to generate one fixture JSON file per test case (#331).
  • 🐞 Storage type iterator is now fixed (#369).
  • 🐞 Fix type coercion in FixtureHeader.join() (#398).
  • 🔀 Locally calculate the transactions list's root instead of using the one returned by t8n when producing BlockchainTests (#353).
  • 🔀 Change custom exception classes to dataclasses to improve testability (#386).
  • 🔀 Update fork name from "Merge" to "Paris" used within the framework and tests (#363).
  • 💥 Replace = with _ in pytest node ids and test fixture names (#342).
  • 💥 The StateTest, spec format used to write tests, is now limited to a single transaction per test (#361).
  • 💥 Tests must now use BlockException and TransactionException to define the expected exception of a given test, which can be used to test whether the client is hitting the proper exception when processing the block or transaction (#384).
  • 💥 fill: Remove the --enable-hive flag; now all test types are generated by default (#358).
  • 💥 Rename test fixtures names to match the corresponding pytest node ID as generated using fill (#342).

📋 Misc

  • ✨ Docs: Add a "Consuming Tests" section to the docs, where each test fixture format is described, along with the steps to consume them, and the description of the structures used in each format (#375).
  • 🔀 Docs: Update t8n tool branch to fill tests for development features in the readme (#338).
  • 🔀 Filling tool: Updated the default filling tool (t8n) to go-ethereum@master (#368).
  • 🐞 Docs: Fix error banner in online docs due to mermaid syntax error (#398).
  • 🐞 Docs: Fix incorrectly formatted nested lists in online doc (#403).

💥 Breaking Changes

A concrete example of the test name renaming and change in directory structure is provided below.

  1. Fixture output, including release tarballs, now contain subdirectories for different test types:

    1. blockchain_tests: Contains BlockchainTest formatted tests
    2. blockchain_tests_hive: Contains BlockchainTest with Engine API call directives for use in hive
    3. state_tests: Contains StateTest formatted tests

  2. StateTest, spec format used to write tests, is now limited to a single transaction per test.

  3. In this release the pytest node ID is now used for fixture names (previously only the test parameters were used), this should not be breaking. However, = in both node IDs (and therefore fixture names) have been replaced with _, which may break tooling that depends on the = character.

  4. Produced blockchain_tests fixtures and their corresponding blockchain_tests_hive fixtures now contain the named exceptions BlockException and TransactionException as strings in the expectException and validationError fields, respectively. These exceptions can be used to test whether the client is hitting the proper exception when processing an invalid block.

    Blockchain test:

    "blocks": [
      {
         ...
         "expectException": "TransactionException.INSUFFICIENT_ACCOUNT_FUNDS",
         ...
      }
      ...
]

    Blockchain hive test:

    "engineNewPayloads": [
      {
         ...
         "validationError": "TransactionException.INSUFFICIENT_ACCOUNT_FUNDS",
         ...
      }
      ...
]

Renaming and Release Tarball Directory Structure Change Example

The fixture renaming provides a more consistent naming scheme between the pytest node ID and fixture name and allows the fixture name to be provided directly to pytest 5on the command line to execute individual tests in isolation, e.g. pytest tests/frontier/opcodes/test_dup.py::test_dup[fork_Frontier].

  1. Pytest node ID example:

    1. Previous node ID: tests/frontier/opcodes/test_dup.py::test_dup[fork=Frontier].
    2. New node ID: tests/frontier/opcodes/test_dup.py::test_dup[fork_Frontier].

  2. Fixture name example:

    1. Previous fixture name: 000-fork=Frontier
    2. New fixture name: tests/frontier/opcodes/test_dup.py::test_dup[fork_Frontier] (now the same as the pytest node ID).

  3. Fixture JSON file name example (within the release tarball):

    1. Previous fixture file name: fixtures/frontier/opcodes/dup/dup.json (BlockChainTest format).
    2. New fixture file names (all present within the release tarball):
    • fixtures/state_tests/frontier/opcodes/dup/dup.json (StateTest format).
    • fixtures/blockchain_tests/frontier/opcodes/dup/dup.json (BlockChainTest format).
    • fixtures/blockchain_tests_hive/frontier/opcodes/dup/dup.json (a blockchain test in HiveFixture format).

v1.0.6 - 2023-10-19: 🐍🏖️ Cancun Devnet 10

🧪 Test Cases

  • 🔀 EIP-4844: Update KZG point evaluation test vectors to use data from the official KZG setup and Mainnet Trusted Setup (#336).

🛠️ Framework

  • 🔀 Fixtures: Add a non-RLP format field (rlp_decoded) to invalid blocks (#322).
  • 🔀 Spec: Refactor state and blockchain spec (#307).

🔧 EVM Tools

  • ✨ Run geth's evm blocktest command to verify JSON fixtures after test case execution (--verify-fixtures) (#325).
  • ✨ Enable tracing support for ethereum-spec-evm (#289).

📋 Misc

💥 Breaking Change

v1.0.5 - 2023-09-26: 🐍🏖️ Cancun Devnet 9 Release 3

This release mainly serves to update the EIP-4788 beacon roots address to 0x000F3df6D732807Ef1319fB7B8bB8522d0Beac02, as updated in ethereum/EIPs/pull/7672.

🧪 Test Cases

  • 🐞 EIP-4844: Fix invalid blob txs pre-Cancun engine response (#306).
  • ✨ EIP-4788: Final update to the beacon root address (#312).

📋 Misc

  • ✨ Docs: Changelog added (#305).
  • ✨ CI/CD: Run development fork tests in Github Actions (#302).
  • ✨ CI/CD: Generate test JSON fixtures on push (#303).

💥 Breaking Change

Please use development fixtures from now on when testing Cancun. These refer to changes that are currently under development within clients:

  • fixtures: All tests until the last stable fork (Shanghai)
  • fixtures_develop: All tests until the last development fork (Cancun)
  • fixtures_hive: All tests until the last stable fork (Shanghai) in hive format (Engine API directives instead of the usual BlockchainTest format)
  • fixtures_develop_hive: All tests until the last development fork (Cancun) in hive format

v1.0.4 - 2023-09-21: 🐍 Cancun Devnet 9 Release 2

This release adds additional coverage to the current set of Cancun tests, up to the Devnet-9 Cancun specification.

Note: Additional EIP-4788 updates from ethereum/EIPs/pull/7672 will be included in the next release.

🧪 Test Cases

🛠️ Framework

  • 🔀 EIP-4788: Beacon root contract is pre-deployed at 0xbEAC020008aFF7331c0A389CB2AAb67597567d7a (@spencer-tb in #297).
  • ✨ Deprecate empty accounts within framework (@spencer-tb in #300).
  • ✨ Fixture generation split based on hive specificity (@spencer-tb in #301).
  • 💥 fill: --disable-hive flag removed; replaced by --enable-hive (@spencer-tb in #301).
  • ✨ Add engine API forkchoice updated information in fixtures (@spencer-tb in #256).

v1.0.3 - 2023-09-14: 🐍 Cancun Devnet 9 Release

See v1.0.3.

v1.0.2 - 2023-08-11: 🐍 Cancun Devnet 8 + 4788 v2 Pre-Release

See v1.0.2.

v1.0.1 - 2023-08-03: 🐍 Cancun Devnet-8 Pre-Release

See v1.0.1.

v1.0.0 - 2023-06-27: 🧪 Welcome to the Pytest Era

See v1.0.0.

Older releases can be found on the releases page.