erc725.js

ERC725.js

This library allows for interfacing with ERC725Y compliant contract on an EVM using the ERC725YJSONSchema.

For more information see Documentation.

This package is currently in early stages of development, use only for testing or experimentation purposes

Installation

npm

$ npm install erc725.js

import ERC725 from "erc725.js";
// Or alternately the named export in cases where it
// assists with integration into node modules or commonjs.
import { ERC725 } from "erc725.js";

Example Instantiation

// Part of LSP3-UniversalProfile Schema
// https://github.com/lukso-network/LIPs/blob/master/LSPs/LSP-3-UniversalProfile.md
const schema = [
  {
    name: "SupportedStandards:ERC725Account",
    key: "0xeafec4d89fa9619884b6b89135626455000000000000000000000000afdeb5d6",
    keyType: "Mapping",
    valueContent: "0xafdeb5d6",
    valueType: "bytes",
  },
  {
    name: "LSP3Profile",
    key: "0x5ef83ad9559033e6e941db7d7c495acdce616347d28e90c7ce47cbfcfcad3bc5",
    keyType: "Singleton",
    valueContent: "JSONURL",
    valueType: "bytes",
  },
  {
    name: "LSP1UniversalReceiverDelegate",
    key: "0x0cfc51aec37c55a4d0b1a65c6255c4bf2fbdf6277f3cc0730c45b828b6db8b47",
    keyType: "Singleton",
    valueContent: "Address",
    valueType: "address",
  },
];

const addresss = "0x0c03fba782b07bcf810deb3b7f0595024a444f4e";
const provider = new Web3.providers.HttpProvider("https://rpc.l14.lukso.network");
const config = {
  ipfsGateway: 'https://ipfs.lukso.network/ipfs/'
}

let myERC725 = new ERC725(schema[, address, provider, config])

Usage

await erc725.getOwner();
// > '0x28D25E70819140daF65b724158D00c373D1a18ee'

await erc725.getData("SupportedStandards:ERC725Account");
// > '0xafdeb5d6'

await erc725.getData("LSP3Profile");
/* >
{
    url: 'ipfs://QmXybv2LdJWscy1C6yRKUjvnaj6aqKktZX4g4xmz2nyYj2',
    hash: '0xb4f9d72e83bbe7e250ed9ec80332c493b7b3d73e0d72f7b2c7ab01c39216eb1a',
    hashFunction: 'keccak256(utf8)'
}
*/

await erc725.fetchData("LSP3Profile"); // downloads and verifies the linked JSON
/* > 
{
    LSP3Profile: {
        name: 'frozeman',
        description: 'The inventor of ERC725 and ERC20...',
        links: [
            { title: 'Twitter', url: 'https://twitter.com/feindura' },
            { title: 'lukso.network', url: 'https://lukso.network' }
        ],
        ...
    }
}
*/

Testing

$ npm test