unlock-js wallet example : deploys a lock, purchases a key

unlock-js.js

const HDWalletProvider = require("truffle-hdwallet-provider")
const { WalletService } = require("@unlock-protocol/unlock-js")

const provider = new HDWalletProvider(
  mnemonic,
  endpoint,
  accountIndex
)

async function run() {
  /**
   * Unlock Contract:
   * mainnet: 0x3d5409cce1d45233de1d4ebdee74b8e004abdd13
   * rinkeby: 0xd8c88be5e8eb88e38e6ff5ce186d764676012b0b
   */
  const service = new WalletService({
    unlockAddress: "0xd8c88be5e8eb88e38e6ff5ce186d764676012b0b"
  })

  // Connects
  await service.connect(provider)

  // Creates a lock
  const lockAddress = await service.createLock(
    {
      expirationDuration: 60 * 60 * 24 * 10,
      keyPrice: "1",
      maxNumberOfKeys: -1, // Unlimited
      name: "Weenus lock",
      currencyContractAddress: "0xaFF4481D10270F50f203E0763e2597776068CBc5" // https://github.com/bokkypoobah/WeenusTokenFaucet
    },
    (error, hash) => {
      console.log(`Lock creation transaction hash ${hash}`)
    }
  )
  console.log(`Lock deployed at ${lockAddress}`)

  // Purchases a key for owner
  const owner = "0x33ab07dF7f09e793dDD1E9A25b079989a557119A"
  const tokenId = await service.purchaseKey(
    {
      lockAddress,
      owner,
      keyPrice: "1"
    },
    (error, hash) => {
      console.log(`Key purchase transaction hash ${hash}`)
    }
  )
  console.log(`New key sold: ${tokenId}`)
}

run()