Infura promise example

InfuraDocs.js

async function deposit(signer) {
    const tx = await signer.sendTransaction({
      // ITX deposit contract (same address for all public Ethereum networks)
      to: '0x015C7C7A7D65bbdb117C573007219107BD7486f9',
      // Choose how much ether you want to deposit to your ITX gas tank
      value: ethers.utils.parseUnits('0.1', 'ether')
    })
    // Waiting for the transaction to be mined
    await tx.wait()
  }