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  • License Apache-2.0

ERC725 contract implementations

Package Exports

    This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@erc725/smart-contracts) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

    Readme

    @erc725/smart-contracts · npm version Coverage Status

    This package is currently in BETA, use with caution!

    This package contains an implementation of ERC725 to make it as easy as possible to get started.
    If you see ways to improve this implementation, you are welcome to create an issue or a pull request.

    The package has the following contracts:

    • ERC725X.sol: The execute part of ERC725, allows to execute any other smart contract. Uses ERC173 as a basis.
    • ERC725Y.sol: The data part of ERC725, allows to attach any key-value data to a smart contract. Uses ERC173 as a basis.
    • ERC725.sol: Combines both implementations: ERC725X.sol and ERC725Y.sol.

    Usage

    To use in your project install via npm

    npm install @erc725/smart-contracts

    And import in your contracts in solidity

    import "@erc725/smart-contracts/contracts/ERC725.sol";
    
    contract MyContract is ERC725 {
        ...
    }

    And import in your contract ABI in JavaScript

    import ERC725 from "@erc725/smart-contracts/artifacts/ERC725.json";
    
    const myContract = new web3.eth.Contract(ERC725.abi, "0xsomeaddress...");

    Development

    Setup:

    npm install

    Run tests:

    npm test

    Run linter:

    npm run lint

    Technical References

    Interface IDs

    The table below contains a list of ERC165 interface IDs used by the Solidity implementations of the ERC725 smart contracts.

    Interface Name Interface ID Description
    ERC725X 0x7545acac General executor
    ERC725Y 0x629aa694 General key-value store
    ERC165 0x01ffc9a7 Standard Interface Detection for Contracts

    Solc Contract details

    Notice: you need the solc compiler installed locally to use this command. Installation instructions can be found in the solidity documentation

    The repository offers a shell utility tool that generate details about each contracts (function selectors, storage layout, evm opcodes...). You can obtain them via the following command.

    npm run solc

    This will generate files and folders under /solc

    solc
     |- bytecode/
     |- evm/
     |- metadata/
     |- opcodes/
     |- selectors/
     |- storage-layout/
     |- gas-costs.md