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XMTP Quickstart Dynamic

xmtp

Installation

yarn install
yarn dev

Concepts

Head to our docs to understand XMTP's concepts

Troubleshooting

If you get into issues with Buffer and polyfills check out the fix below:

Dynamic

Setup

First, you need to import the necessary libraries and components. In your index.js file, import the DynamicProvider and wrap your main component with it.

import { DynamicContextProvider } from "@dynamic-labs/sdk-react-core";
import { EthereumWalletConnectors } from "@dynamic-labs/ethereum";
<DynamicContextProvider
  settings={{
    environmentId: "f0b977d0-b712-49f1-af89-2a24c47674da",
    walletConnectors: [EthereumWalletConnectors],
  }}
>
  <InboxPage />
</DynamicProvider>

User authentication

In your main component, use the useDynamicContext hook to get the user's authentication status and other details.

import { DynamicWidget, useDynamicContext } from "@dynamic-labs/sdk-react-core";

const [signer, setSigner] = useState(null);
// Use the DynamicContext to get the primaryWallet and handleLogOut function
const { primaryWallet, handleLogOut } = useDynamicContext();
// Check if the primaryWallet is connected
const isConnected = !!primaryWallet;
// Define a function to get and set the signer
const getAndSetSigner = async () => {
  // Get the internal wallet client from the primary wallet's connector
  const internalWalletClient = await primaryWallet.connector.getWalletClient();
  // Create a new wallet client with the chain, transport, and account from the internal wallet client
  const walletClient = createWalletClient({
    chain: internalWalletClient.chain,
    transport: custom(internalWalletClient.transport),
    account: primaryWallet.address,
  });
  // Set the signer to the new wallet client
  setSigner(walletClient);
};
// Use an effect to get and set the signer when the primaryWallet changes
useEffect(() => {
  // If there is a primaryWallet and no signer, get and set the signer
  if (primaryWallet && !signer) {
    getAndSetSigner();
  }
  // If there is no primaryWallet and there is a signer, set the signer to null
  else if (!primaryWallet && signer) {
    setSigner(null);
  }
}, [primaryWallet]);

That's it! You've now created an XMTP app with 0xPass & Wagmi.