fix: added possibility to communicate with wallet without a pairing

packages/beacon-dapp/src/dapp-client/DAppClient.ts

@@ -111,6 +111,7 @@ import {
   getiOSList
 } from '@airgap/beacon-ui'
 import { signMessage } from '@airgap/beacon-utils'
+import { WalletConnectTransport } from '@airgap/beacon-transport-walletconnect'
 
 const logger = new Logger('DAppClient')
 
@@ -1550,6 +1551,17 @@ export class DAppClient extends Client {
     logger.timeLog(messageId, 'init done')
     logger.log('makeRequest', 'after init')
 
+    const transport = await this.transport
+
+    if (
+      requestInput.type === BeaconMessageType.PermissionRequest &&
+      transport instanceof WalletConnectTransport &&
+      !transport.pairings?.length
+    ) {
+      await this.channelClosedHandler()
+      throw new Error('Pairing expired.')
+    }
+
     if (await this.addRequestAndCheckIfRateLimited()) {
       this.events
         .emit(BeaconEvent.LOCAL_RATE_LIMIT_REACHED)
@@ -1597,7 +1609,7 @@ export class DAppClient extends Client {
     logger.log('makeRequest', 'sending message', request)
     logger.timeLog('makeRequest', messageId, 'sending')
     try {
-      await (await this.transport).send(payload, peer)
+      await transport.send(payload, peer)
     } catch (sendError) {
       this.events.emit(BeaconEvent.INTERNAL_ERROR, {
         text: 'Unable to send message. If this problem persists, please reset the connection and pair your wallet again.',
@@ -1666,6 +1678,17 @@ export class DAppClient extends Client {
       throw new Error('rate limit reached')
     }
 
+    const transport = await this.transport
+
+    if (
+      requestInput.type === BeaconMessageType.PermissionRequest &&
+      transport instanceof WalletConnectTransport &&
+      !transport.pairings?.length
+    ) {
+      await this.channelClosedHandler()
+      throw new Error('Pairing expired.')
+    }
+
     // if (!(await this.checkPermissions(requestInput.type as BeaconMessageType))) {
     //   this.events.emit(BeaconEvent.NO_PERMISSIONS).catch((emitError) => console.warn(emitError))
 
@@ -1704,7 +1727,7 @@ export class DAppClient extends Client {
     logger.log('makeRequest', 'sending message', request)
     logger.timeLog('makeRequest', messageId, 'sending')
     try {
-      await (await this.transport).send(payload, peer)
+      await transport.send(payload, peer)
     } catch (sendError) {
       this.events.emit(BeaconEvent.INTERNAL_ERROR, {
         text: 'Unable to send message. If this problem persists, please reset the connection and pair your wallet again.',

packages/beacon-transport-walletconnect/src/WalletConnectTransport.ts

@@ -63,6 +63,10 @@ export class WalletConnectTransport<
     return super.connect()
   }
 
+  public get pairings() {
+    return this.client.signClient?.pairing.getAll()
+  }
+
   public async getPeers(): Promise<T[]> {
     const client = WalletConnectCommunicationClient.getInstance(this.wcOptions)
     const session = client.currentSession()

packages/beacon-transport-walletconnect/src/communication-client/WalletConnectCommunicationClient.ts

@@ -427,10 +427,6 @@ export class WalletConnectCommunicationClient extends CommunicationClient {
     signClient.on('session_expire', (event) => {
       this.disconnect(signClient, { type: 'session', topic: event.topic })
     })
-
-    signClient.core.pairing.events.on('pairing_delete', (event) => {
-      this.disconnect(signClient, { type: 'pairing', topic: event.topic })
-    })
   }
 
   private async acknowledgeRequest(id: string) {