v0.1.0

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After more than two years of relentless work, we've brought a simple vision to life: Making 🐍Vyper code reusable in a truly composable way. Enough the cheap talk — here's the fucking code!

Let's welcome today the 🐍 snekmate version 0.1.0, targeting the latest (breaking) 🐍Vyper release 0.4.0! All you need to do going forward is to invoke (in your virtual environment):

pip install vyper snekmate

and you're ready to go! A simple (exemplary) ERC-20 token implementation looks now as follows:

# pragma version ~=0.4.0
from ethereum.ercs import IERC20
from ethereum.ercs import IERC20Detailed
from snekmate.auth import ownable
from snekmate.tokens import erc20


initializes: ownable
initializes: erc20[ownable := ownable]
exports: (
    erc20.owner,
    erc20.IERC20,
    erc20.IERC20Detailed,
    erc20.mint,
    erc20.set_minter,
)


@deploy
def __init__():
    ownable.__init__()
    erc20.__init__("Vyper", "VY", 18, "Vyper", "1")

Blockscout already supports the verification of 🐍Vyper 0.4.0 contracts (an example contract I deployed on Sepolia 0x97E68f1Dc2e86bc87e3c01e2Df1075859B5a4856):

👇 Below you find the detailed code changes, 🐍 snekmate's new contributors, and the full CHANGELOG. Persevere with determination. Surpass your boundaries. Move forward resolutely.

Important

The aggregating pull request used to implement the subsequent changes is #207.

💥 New Features

• Authentication
  • ownable: Make ownable module-friendly. (#218)
  • ownable_2step: Make ownable_2step module-friendly. (#219)
  • access_control: Make access_control module-friendly. (#216)
• Extensions
  • erc2981: Make erc2981 module-friendly. (#233)
  • erc4626: Make erc4626 module-friendly. (#236)
• Governance
  • timelock_controller: Make timelock_controller module-friendly. (#220)
• Tokens
  • erc20: Make erc20 module-friendly. (#234)
  • erc721: Make erc721 module-friendly. (#237)
  • erc1155: Make erc1155 module-friendly. (#238)
• Utility Functions
  • base64: Make base64 module-friendly. (#222)
  • batch_distributor: Make batch_distributor module-friendly. (#223)
  • create_address: Make create_address module-friendly. (#224)
  • create2_address: Make create2_address module-friendly. (#225)
  • ecdsa: Make ecdsa module-friendly. (#227)
  • p256: Add NIST P-256 (a.k.a. secp256r1) ECDSA verification function. (#243)
  • message_hash_utils: Move the ecdsa message hash methods to a separate message_hash_utils library module. (#227)
  • signature_checker: Make signature_checker module-friendly. (#228)
  • eip712_domain_separator: Make eip712_domain_separator module-friendly. (#229)
  • math: Make math module-friendly. (#230)
  • merkle_proof_verification: Make merkle_proof_verification module-friendly. (#231)
  • multicall: Make multicall module-friendly. (#232)
• 🐍Vyper Contract Deployer
  • VyperDeployer: Improve error message in the event of a 🐍Vyper compilation error. (#219)

🥢 Test Coverage

• Tokens
  • erc20:
    • Add echidna-based erc20 property tests. (#239)
    • Add halmos-based erc20 symbolic tests. (#240)
  • erc721:
    • Add echidna-based erc721 property tests. (#239)
    • Add halmos-based erc721 symbolic tests. (#240)
  • erc1155: Add halmos-based erc1155 symbolic tests. (#240)
• Utility Functions
  • math: Add halmos-based math symbolic tests. (#240)

❗️ Breaking Changes

• The file names of 🐍 snekmate module and mock contracts use the snake case notation (e.g. my_module.vy or my_module_mock.vy), whilst the 🐍Vyper interface files .vyi use the Pascal case notation prefixed with I (e.g. IMyInterface.vyi). (#242)
• The mathematical utility functions _log_2, _log_10, and _log_256 are renamed to _log2, _log10, and _log256. (#242)
• All 🐍 snekmate contracts now target the new 🐍Vyper default EVM version cancun (#245). If you intend to deploy on an EVM chain with no cancun support, you must compile — using the shanghai EVM version as an example — the main contract that uses the 🐍 snekmate module contracts with the --evm-version shanghai option; e.g. vyper --evm-version shanghai src/snekmate/tokens/mocks/erc20_mock.vy, or add the # pragma evm-version shanghai directive to the main contract that uses the 🐍 snekmate module contracts:

# pragma version ~=0.4.0
# pragma evm-version shanghai

...

🙏🏽 New Contributors

• @zhouxianyuan made his first contribution via #212.
• @daejunpark made his first contribution via #255.

👀 Full Changelog

v0.0.5...v0.1.0