How do I get the address of the connected wallet with web3modal?

user_2428124 0
Viewed 1898

I'm building an application with next.js and web3. To connect the user wallet to the front-end I'm using web3modal as following:

const Home: NextPage = () => {
  const [signer, setSigner] = useState<JsonRpcSigner | null>(null)

  async function connect() {
    const web3Modal = new Web3Modal()
    const connection = await web3Modal.connect()
    const provider = new ethers.providers.Web3Provider(connection)
    const signer = provider.getSigner()

    setSigner(signer)
  }

  return (
    <div className="flex justify-center">
      <button onClick={() => connect()}>Connect wallet</button>
      { signer && (
        <h3>wallet connected: {signer._address}</h3>
      )}
    </div>
  )
}

The user can successfully connect the wallet, unfortunately signer._address is always null. I'd like to display to the user with address has just been connected, how can I fix this?

web3js next.js reactjs javascript
3 Answers
user_132222310

you can get the address using the following

const account=(await provider.listAccounts())[0]
user_105554750

provider.getSigner() returns a promise.

You should use await to get the actual address

const signer = provider.getSigner();
const address = await signer.getAddress();
setAddress(address);
user_9458640
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