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Collection of Vyper contracts

tests

This is a collection of smart contracts implemented in the Vyper smart contract language on Ethereum.

CAUTION: Not meant for production use.

Dependencies

For Vyper contracts:

  • Vyper
    • Some contracts may require the latest unreleased version of Vyper.
  • Ape

For Cairo contracts:

Directory

  • ConditionalSoulbound
    • TimeConditionalSoulbound: A modified version of EIP-4671 Non-Tradable Tokens (a.k.a. Soulbound) where the right to claim is dependent on holding a specified ERC-721 token for a minimum period of time.
    • TimedERC721: A modified version of ERC-721 token with an additional mapping from address to the earliest timestamp of that address' ownership of a token.
  • ERC721.vy: ERC-721 implementation with ERC721Metadata, ERC721Enumerable and ERC721Receiver interfaces
  • PlainEIP712.vy: Simple implementation of EIP712, with reference to Yearn Vaults
  • EIP4494.vy: ERC721.vy with implementation of EIP-4494 (approval for transfer by signature).
  • VickreyAuction.vy: A simple Vickrey auction (winning bidder pays second highest bid).
  • VickreyAuctionERC721.vy: Extension of VickreyAuction.vy with ERC-721 non-fungible token held in escrow by auction contract.
  • EIP-4671 (a.k.a Soulbound) [outdated implementation]
    • NTT.vy: Implementation of EIP-4671 Non-Tradable Token Standard with Metadata and Enumerable extensions.
    • NTTDelegate.vy: Implementation of EIP-4671 Non-Tradable Token Standard with Metadata, Enumerable and Delegation extensions.
  • StarknetDeposit: Vyper implementation of a modified Starknet's L1-L2 bridge for ERC-20. See README.md in folder for more details.
  • Time-mining ERC721: Mine ERC20 tokens based on duration of possession of any NFT in wallet address.
    • ERC20_mintable.vy: Modified ERC20 that takes in a minter address in constructor.
    • timer.vy: Modified ERC721 that sets an ERC20 address it has mint permissions to, and allows holders to claim rewards based on duration of possession of any NFT.

Testing

Run ape test in your console.