Mint and deposit PoS dummy erc721 to Matic Network [networks: goerli, mumbai]

README.md

Usage

Save all three files in a directory and install dependencies:

$ npm init -y
$ npm i -s @maticnetwork/maticjs @truffle/hdwallet-provider web3

config.js

module.exports = {
  root: {
    RPC: 'https://goerli.infura.io/v3/<API_KEY>',
    POSRootChainManager: '0xBbD7cBFA79faee899Eaf900F13C9065bF03B1A74',
    DERC20: '0x655F2166b0709cd575202630952D71E2bB0d61Af',
    DERC721: '0x084297B12F204Adb74c689be08302FA3f12dB8A7',
    DERC1155: '0x2e3Ef7931F2d0e4a7da3dea950FF3F19269d9063',
    posERC20Predicate: '0xdD6596F2029e6233DEFfaCa316e6A95217d4Dc34',
    posERC721Predicate: '0x74D83801586E9D3C4dc45FfCD30B54eA9C88cf9b',
    posERC1155Predicate: '0xB19a86ba1b50f0A395BfdC3557608789ee184dC8',
    posEtherPredicate: '0xe2B01f3978c03D6DdA5aE36b2f3Ac0d66C54a6D5',
  },
  child: {
    RPC: 'https://rpc-mumbai.matic.today',
    DERC20: '0xfe4F5145f6e09952a5ba9e956ED0C25e3Fa4c7F1',
    DERC721: '0x757b1BD7C12B81b52650463e7753d7f5D0565C0e',
    DERC1155: '0xA07e45A987F19E25176c877d98388878622623FA',
    MaticWETH: '0x714550C2C1Ea08688607D86ed8EeF4f5E4F22323',
  },
  user: {
    privateKey: '<PRIVATE_KEY>',
    address: '<ADDRESS>'
  },
}

mint-nfts.js

const Web3 = require('web3')
const rootRPC = 'https://goerli.infura.io/v3/982855ae82c9477e91981103b7e26ea7'
const childRPC = 'https://rpc-mumbai.matic.today'
const web3 = new Web3()

const config = require('./config')
const utils = require('./utils')

const rootErc721ABI = require('./abi/pos/DummyERC721.json')
const rootErc721Address = config.root.DERC721
const rootErc721 = new web3.eth.Contract(rootErc721ABI.abi, rootErc721Address)
const childErc721Address = config.child.DERC721
const childErc721 = new web3.eth.Contract(rootErc721ABI.abi, childErc721Address)


function getRandomInt(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min) + min); //The maximum is exclusive and the minimum is inclusive
}

web3.eth.accounts.wallet.add(config.user.privateKey)

async function mint (id) {
  web3.setProvider (rootRPC)
  let r = await rootErc721.methods.mint(
    id
  ).send({
    from: web3.eth.accounts.wallet[0].address,
    gas: 800000
  }).then ((r) => {
    console.log(r.transactionHash)
  })
  return id
}
const maticPOSClient = utils.getMaticPOSClient()

async function deposit(tokenId) {
  try {
    const approve = await maticPOSClient.approveERC721ForDeposit(rootErc721Address, tokenId, {
      from: web3.eth.accounts.wallet[0].address
    })
    console.log ('approved')
    const tx = await maticPOSClient.depositERC721ForUser(rootErc721Address, web3.eth.accounts.wallet[0].address, tokenId)
    console.log('deposited', tx.transactionHash) 
  } catch (e) {
    console.error(e)
  }
  // process.exit()
}

function wait (delayms) {
  return new Promise(function(resolve, reject) {
    setTimeout(resolve, delayms)
  })
}

async function main () {
  for (let i = 0; i < 10; i++) {
    let id = getRandomInt(1000000, 10000000000)
    console.log ('minting:',id)
    let token = await mint (id)
    let token='4792115200'
    console.log ('depositing', token)
    await deposit(token)
    // console.log('waiting 30s')
    // await wait(30000)
  }
}

main()

utils.js

const MaticPOSClient = require('@maticnetwork/maticjs').MaticPOSClient
const config = require('./config')
const HDWalletProvider = require('@truffle/hdwallet-provider')

const getMaticPOSClient = () => {
  return new MaticPOSClient({
    network: 'testnet', // optional, default is testnet
    version: 'mumbai', // optional, default is mumbai
    parentProvider: new HDWalletProvider(config.user.privateKey, config.root.RPC),
    maticProvider: new HDWalletProvider(config.user.privateKey, config.child.RPC),
    posRootChainManager: config.root.POSRootChainManager,
    posERC20Predicate: config.root.posERC20Predicate, // optional, required only if working with ERC20 tokens
    posERC721Predicate: config.root.posERC721Predicate, // optional, required only if working with ERC721 tokens
    posERC1155Predicate: config.root.posERC1155Predicate, // optional, required only if working with ERC71155 tokens
    parentDefaultOptions: { from: config.user.address }, // optional, can also be sent as last param while sending tx
    maticDefaultOptions: { from: config.user.address }, // optional, can also be sent as last param while sending tx
  })
}

module.exports = {
  getMaticPOSClient,
}