yarn add walletconnect
​
# OR
​
npm install --save walletconnect

import WalletConnect from "walletconnect";
import WalletConnectQRCodeModal from "walletconnect-qrcode-modal";
​
/**
 *  Create a webConnector
 */
const webConnector = new WalletConnect({
  bridgeUrl: "https://test-bridge.walletconnect.org", // Required
  dappName: "INSERT_DAPP_NAME" // Required
});
​
/**
 *  Initiate WalletConnect session
 */
await webConnector.initSession();
​
/**
 *  Check if connection is already established
 */
if (webConnector.isConnected) {
  // If yes, get accounts
  const accounts = webConnector.accounts;
} else {
  // If not, prompt the user to scan the QR code
  const uri = webConnector.uri;
​
  // Listen for session confirmation from wallet
  await webConnector.listenSessionStatus();
​
  // Get accounts after session status is resolved
  accounts = webConnector.accounts;
}
​
/**
 *  Draft transaction
 */
const tx = {
  from: "0xab12...1cd",
  to: "0x0",
  nonce: 1,
  gas: 100000,
  value: 0,
  data: "0x0"
};
​
/**
 *  Send transaction
 */
try {
  // Submitted Transaction Hash
  const result = await webConnector.sendTransaction(tx);
} catch (error) {
  // Rejected Transaction
  console.error(error);
}
​
/**
 *  Draft message
 */
const msg = "My email is john@doe.com - 1537836206101";
​
/**
 *  Sign message
 */
try {
  // Signed message
  const result = await webConnector.signMessage(msg);
} catch (error) {
  // Rejected signing
  console.error(error);
}
​
/**
 *  Draft Typed Data
 */
const msgParams = [
  {
    type: "string",
    name: "Message",
    value: "My email is john@doe.com"
  },
  {
    type: "uint32",
    name: "A number",
    value: "1537836206101"
  }
];
​
/**
 *  Sign Typed Data
 */
try {
  // Signed typed data
  const result = await webConnector.signTypedData(msgParams);
} catch (error) {
  // Rejected signing
  console.error(error);
}

/**
 *  Install NPM Package
 */
​
yarn add rn-walletconnect-wallet
​
# OR
​
npm install --save rn-walletconnect-wallet
​
/**
 *  Nodify 'crypto' package for cryptography
 */
​
# install "crypto" shims and run package-specific hacks
rn-nodeify --install "crypto" --hack

import RNWalletConnect from 'rn-walletconnect-wallet'
​
/**
 *  Create WalletConnector
 */
const walletConnector = new RNWalletConnect({
  uri: 'ethereum:wc-8a5e5bdc-a0e4-47...TJRNmhWJmoxdFo6UDk2WlhaOyQ5N0U=',
  push: {
    type: 'fcm',
    token: 'cSgGd8BWURk:APA91bGXsLd_...YdFbutyfc8pScl0Qe8-',
    endpoint: 'https://push.walletconnect.org/notification/new',
  }
})
​
/**
 *  Approve Session
 */
await walletConnector.approveSession({
  accounts: [
    '0x4292...931B3',
    '0xa4a7...784E8',
    ...
  ]
})
​
/**
 *  Reject Session
 */
await walletConnector.rejectSession()
​
​
/**
 *  Kill Session
 */
await walletConnector.killSession()
​
​
/**
 *  Handle push notification events & get call data
 */
FCM.on(FCMEvent.Notification, event => {
  const { sessionId, callId } = event;
​
  const callData = await walletConnector.getCallRequest(callId);
​
  // example callData
  {
    method: 'eth_sendTransaction',
    data: {
      from: '0xab12...1cd',
      to: '0x0',
      nonce: 1,
      gas: 100000,
      value: 0,
      data: '0x0'
    }
  }
});
​
/**
 *  Get all calls from bridge
 */
const allCalls = await walletConnector.getAllCallRequests();
​
/**
 *  Approve and share call result
 */
walletConnector.approveCallRequest(
  callId,
  {
    result: '0xabcd...873'
  }
)
​
/**
 *  Reject call request
 */
walletConnector.rejectCallRequest(
  callId
)

/**
 *  Install NPM Package
 */
​
yarn add web3 walletconnect-web3-provider
​
# OR
​
npm install --save web3 walletconnect-web3-provider

import Web3 from 'web3'
import WalletConnectProvider from 'walletconnect-web3-provider'
​
/**
 *  Create WalletConnect Provider
 */
const provider = new WalletConnectProvider({
  bridgeUrl: 'https://test-bridge.walletconnect.org',   // Required
  dappName: 'INSERT_DAPP_NAME',                   // Required
  rpcUrl: 'http://localhost:8545'                 // Required
})
​
/**
 *  Create Web3
 */
const web3 = new Web3(provider)
​
/**
 *  Initiate WalletConnect Session
 */
const session = await web3.currentProvider.walletconnect.initSession()
​
/**
 *  Get Accounts
 */
const accounts = await web3.eth.getAccounts()
​
if (!accounts.length) {
  // Display QR Code URI
  const uri = web3.currentProvider.walletconnect.uri
​
  // Listen for session status
  await  web3.currentProvider.walletconnect.listenSessionStatus()
​
  // Get Accounts Again
  accounts = await web3.eth.getAccounts()
}
​
/**
 * Send Transaction
 */
const txHash = await web3.eth.sendTransaction(tx)
​
/**
 * Sign Transaction
 */
const signedTx = await web3.eth.signTransaction(tx)
​
/**
 * Sign Message
 */
const signedMessage = await web3.eth.sign(msg)
​
/**
 * Sign Typed Data
 */
const signedTypedData = await web3.eth.signTypedData(msg)

/**
 *  Clone GIT Repository
 */
​
git clone https://github.com/WalletConnect/py-walletconnect-bridge.git
​
/**
 *  Install Docker and Make
 */

/**
 *  Setup the Bridge URL
 */
​
make setup URL=<YOUR_BRIDGE_URL>
​
/**
 *  Build the Docker image
 */
​
make build
​
/**
 *  Run the Docker container
 */
​
make run

/**
 *  Clone GIT Repository
 */
​
git clone https://github.com/WalletConnect/firebase-walletconnect-push.git
​
/**
 *  Install Firebase Tools
 */
​
npm install -g firebase-tools
​
/**
 *  Authenticate
 */
​
npm install -g firebase-tools

/**
 *  Initiate Firebase and Select your project
 */
firebase use --add
​
/**
 *  Change directory and Install dependencies
 */
cd functions && npm install
​
/**
 *  Deploy function to Firebase
 */
npm run deploy

https://console.developers.google.com/apis/api/fcm.googleapis.com/overview?project=<PROJECT-NAME>