fix: approve session proposal, receive session disconnect

buildSrc/src/main/kotlin/Dependencies.kt

@@ -61,6 +61,7 @@ fun DependencyHandlerScope.bouncyCastle() {
 
 fun DependencyHandlerScope.sqlCipher() {
     "api"("net.zetetic:android-database-sqlcipher:$sqlCipherVersion")
+    "api"("app.cash.sqldelight:async-extensions:2.0.0")
 }
 
 fun DependencyHandlerScope.reLinker() {

core/android/src/main/kotlin/com/walletconnect/android/internal/common/di/CorePairingModule.kt

@@ -6,7 +6,16 @@ import com.walletconnect.android.pairing.handler.PairingControllerInterface
 import org.koin.dsl.module
 
 fun corePairingModule(pairing: PairingInterface, pairingController: PairingControllerInterface) = module {
-    single { PairingEngine(get(), get(), get(), get(), get(), get()) }
+    single {
+        PairingEngine(
+            selfMetaData = get(),
+            crypto = get(),
+            metadataRepository = get(),
+            pairingRepository = get(),
+            jsonRpcInteractor = get(),
+            logger = get()
+        )
+    }
     single { pairing }
     single { pairingController }
 }

core/android/src/main/kotlin/com/walletconnect/android/internal/common/json_rpc/domain/JsonRpcInteractor.kt

@@ -94,15 +94,23 @@ internal class JsonRpcInteractor(
             return onFailure(e)
         }
 
-        if (jsonRpcHistory.setRequest(payload.id, topic, payload.method, requestJson)) {
-            val encryptedRequest = chaChaPolyCodec.encrypt(topic, requestJson, envelopeType, participants)
-
-            relay.publish(topic.value, encryptedRequest, params.toRelay()) { result ->
-                result.fold(
-                    onSuccess = { onSuccess() },
-                    onFailure = { error -> onFailure(error) }
-                )
+        try {
+            if (jsonRpcHistory.setRequest(payload.id, topic, payload.method, requestJson)) {
+                val encryptedRequest = chaChaPolyCodec.encrypt(topic, requestJson, envelopeType, participants)
+
+                relay.publish(topic.value, encryptedRequest, params.toRelay()) { result ->
+                    result.fold(
+                        onSuccess = { onSuccess() },
+                        onFailure = { error ->
+                            logger.error("JsonRpcInteractor: Cannot send the request, error: $error")
+                            onFailure(error)
+                        }
+                    )
+                }
             }
+        } catch (e: Exception) {
+            logger.error("JsonRpcInteractor: Cannot send the request, exception: $e")
+            return onFailure(e)
         }
     }
 
@@ -131,10 +139,14 @@ internal class JsonRpcInteractor(
                         jsonRpcHistory.updateRequestWithResponse(response.id, responseJson)
                         onSuccess()
                     },
-                    onFailure = { error -> onFailure(error) }
+                    onFailure = { error ->
+                        logger.error("JsonRpcInteractor: Cannot send the response, error: $error")
+                        onFailure(error)
+                    }
                 )
             }
         } catch (e: Exception) {
+            logger.error("JsonRpcInteractor: Cannot send the response, exception: $e")
             return onFailure(e)
         }
     }
@@ -151,10 +163,7 @@ internal class JsonRpcInteractor(
         val result = JsonRpcResponse.JsonRpcResult(id = request.id, result = clientParams)
 
         publishJsonRpcResponse(request.topic, irnParams, result, envelopeType = envelopeType, participants = participants,
-            onFailure = { error ->
-                logger.error("Cannot send the response, error: $error")
-                onFailure(error)
-            },
+            onFailure = { error -> onFailure(error) },
             onSuccess = { onSuccess() }
         )
     }
@@ -172,10 +181,7 @@ internal class JsonRpcInteractor(
         val result = JsonRpcResponse.JsonRpcResult(id = requestId, result = clientParams)
 
         publishJsonRpcResponse(topic, irnParams, result, envelopeType = envelopeType, participants = participants,
-            onFailure = { error ->
-                logger.error("Cannot send the response, error: $error")
-                onFailure(error)
-            },
+            onFailure = { error -> onFailure(error) },
             onSuccess = { onSuccess() }
         )
     }

core/android/src/main/kotlin/com/walletconnect/android/internal/common/storage/pairing/PairingStorageRepository.kt

@@ -1,6 +1,7 @@
 package com.walletconnect.android.internal.common.storage.pairing
 
 import android.database.sqlite.SQLiteException
+import app.cash.sqldelight.async.coroutines.awaitAsList
 import com.walletconnect.android.internal.common.model.AppMetaData
 import com.walletconnect.android.internal.common.model.Expiry
 import com.walletconnect.android.internal.common.model.Pairing
@@ -35,7 +36,16 @@ class PairingStorageRepository(private val pairingQueries: PairingQueries) : Pai
     override fun hasTopic(topic: Topic): Boolean = pairingQueries.hasTopic(topic = topic.value).executeAsOneOrNull() != null
 
     @Throws(SQLiteException::class)
-    override fun getListOfPairings(): List<Pairing> = pairingQueries.getListOfPairing(mapper = this::toPairing).executeAsList()
+    override suspend fun getListOfPairings(): List<Pairing> = pairingQueries.getListOfPairing(mapper = this::toPairing).awaitAsList()
+
+    @Throws(SQLiteException::class)
+    override suspend fun getListOfInactivePairings(): List<Pairing> = pairingQueries.getListOfInactivePairings(mapper = this::toPairing).awaitAsList()
+
+    @Throws(SQLiteException::class)
+    override suspend fun getListOfActivePairings(): List<Pairing> = pairingQueries.getListOfActivePairings(mapper = this::toPairing).awaitAsList()
+
+    @Throws(SQLiteException::class)
+    override suspend fun getListOfInactivePairingsWithoutRequestReceived(): List<Pairing> = pairingQueries.getListOfInactivePairingsWithoutRequestReceived(mapper = this::toPairing).awaitAsList()
 
     @Throws(SQLiteException::class)
     override fun activatePairing(topic: Topic) = pairingQueries.activatePairing(expiry = activePairing, is_active = true, topic = topic.value)

core/android/src/main/kotlin/com/walletconnect/android/internal/common/storage/pairing/PairingStorageRepositoryInterface.kt

@@ -12,7 +12,13 @@ interface PairingStorageRepositoryInterface {
 
     fun hasTopic(topic: Topic): Boolean
 
-    fun getListOfPairings(): List<Pairing>
+    suspend fun getListOfPairings(): List<Pairing>
+
+    suspend fun getListOfInactivePairings(): List<Pairing>
+
+    suspend fun getListOfActivePairings(): List<Pairing>
+
+    suspend fun getListOfInactivePairingsWithoutRequestReceived(): List<Pairing>
 
     fun activatePairing(topic: Topic)
 

core/android/src/main/kotlin/com/walletconnect/android/pairing/engine/domain/PairingEngine.kt

@@ -62,6 +62,7 @@ import kotlinx.coroutines.flow.merge
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.shareIn
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.supervisorScope
 import kotlinx.coroutines.withTimeout
 import java.util.concurrent.TimeUnit
@@ -97,7 +98,8 @@ internal class PairingEngine(
     init {
         setOfRegisteredMethods.addAll(listOf(PairingJsonRpcMethod.WC_PAIRING_DELETE, PairingJsonRpcMethod.WC_PAIRING_PING))
         resubscribeToPairingTopics()
-        pairingExpiryWatcher()
+        inactivePairingsExpiryWatcher()
+        activePairingsExpiryWatcher()
         isPairingStateWatcher()
     }
 
@@ -120,7 +122,7 @@ internal class PairingEngine(
         val inactivePairing = Pairing(pairingTopic, relay, symmetricKey, registeredMethods, Expiry(inactivePairing))
 
         return inactivePairing.runCatching {
-            logger.log("Pairing created successfully")
+            logger.log("Creating Pairing")
             pairingRepository.insertPairing(this)
             metadataRepository.upsertPeerMetadata(this.topic, selfMetaData, AppMetaDataType.SELF)
             jsonRpcInteractor.subscribe(this.topic,
@@ -200,11 +202,12 @@ internal class PairingEngine(
         val deleteParams = PairingParams.DeleteParams(6000, "User disconnected")
         val pairingDelete = PairingRpc.PairingDelete(params = deleteParams)
         val irnParams = IrnParams(Tags.PAIRING_DELETE, Ttl(dayInSeconds))
+        logger.log("Sending Pairing disconnect")
         jsonRpcInteractor.publishJsonRpcRequest(Topic(topic), irnParams, pairingDelete,
             onSuccess = {
                 scope.launch {
                     supervisorScope {
-                        logger.log("Disconnect sent successfully")
+                        logger.log("Pairing disconnect sent successfully")
                         pairingRepository.deletePairing(Topic(topic))
                         metadataRepository.deleteMetaData(Topic(topic))
                         jsonRpcInteractor.unsubscribe(Topic(topic))
@@ -232,7 +235,7 @@ internal class PairingEngine(
         }
     }
 
-    fun getPairings(): List<Pairing> = pairingRepository.getListOfPairings().filter { pairing -> pairing.isNotExpired() }
+    fun getPairings(): List<Pairing> = runBlocking { pairingRepository.getListOfPairings().filter { pairing -> pairing.isNotExpired() } }
 
     fun register(vararg method: String) {
         setOfRegisteredMethods.addAll(method)
@@ -266,7 +269,7 @@ internal class PairingEngine(
             .onEach {
                 supervisorScope {
                     launch(Dispatchers.IO) {
-                        resubscribeToPairingFlow()
+                        resubscribeToPairing()
                     }
                 }
 
@@ -276,35 +279,56 @@ internal class PairingEngine(
             }.launchIn(scope)
     }
 
-    private fun pairingExpiryWatcher() {
-        flow {
-            while (true) {
-                emit(Unit)
-                delay(WATCHER_INTERVAL)
-            }
-        }.onEach {
-            pairingRepository
-                .getListOfPairings()
-                .onEach { pairing -> pairing.isNotExpired() }
-        }.launchIn(scope)
+    private fun inactivePairingsExpiryWatcher() {
+        repeatableFlow(WATCHER_INTERVAL)
+            .onEach {
+                try {
+                    pairingRepository.getListOfInactivePairings()
+                        .onEach { pairing ->
+                            pairing.isNotExpired()
+                        }
+                } catch (e: Exception) {
+                    logger.error(e)
+                }
+            }.launchIn(scope)
+    }
+
+    private fun activePairingsExpiryWatcher() {
+        repeatableFlow(ACTIVE_PAIRINGS_WATCHER_INTERVAL)
+            .onEach {
+                try {
+                    pairingRepository.getListOfActivePairings()
+                        .onEach { pairing ->
+                            pairing.isNotExpired()
+                        }
+                } catch (e: Exception) {
+                    logger.error(e)
+                }
+            }.launchIn(scope)
     }
 
+
     private fun isPairingStateWatcher() {
-        flow {
-            while (true) {
-                emit(Unit)
-                delay(WATCHER_INTERVAL)
-            }
-        }.onEach {
-            val inactivePairings = pairingRepository
-                .getListOfPairings()
-                .filter { pairing -> !pairing.isActive && !pairing.isProposalReceived }
-            if (inactivePairings.isNotEmpty()) {
-                _isPairingStateFlow.compareAndSet(expect = false, update = true)
-            } else {
-                _isPairingStateFlow.compareAndSet(expect = true, update = false)
-            }
-        }.launchIn(scope)
+        repeatableFlow(WATCHER_INTERVAL)
+            .onEach {
+                try {
+                    val inactivePairings = pairingRepository.getListOfInactivePairingsWithoutRequestReceived()
+                    if (inactivePairings.isNotEmpty()) {
+                        _isPairingStateFlow.compareAndSet(expect = false, update = true)
+                    } else {
+                        _isPairingStateFlow.compareAndSet(expect = true, update = false)
+                    }
+                } catch (e: Exception) {
+                    logger.error(e)
+                }
+            }.launchIn(scope)
+    }
+
+    private fun repeatableFlow(interval: Long) = flow {
+        while (true) {
+            emit(Unit)
+            delay(interval)
+        }
     }
 
     private fun collectJsonRpcRequestsFlow(): Job =
@@ -317,9 +341,9 @@ internal class PairingEngine(
                 }
             }.launchIn(scope)
 
-    private fun resubscribeToPairingFlow() {
+    private fun resubscribeToPairing() {
         try {
-            val pairingTopics = pairingRepository.getListOfPairings().filter { pairing -> pairing.isNotExpired() }.map { pairing -> pairing.topic.value }
+            val pairingTopics = runBlocking { pairingRepository.getListOfPairings().filter { pairing -> pairing.isNotExpired() }.map { pairing -> pairing.topic.value } }
             jsonRpcInteractor.batchSubscribe(pairingTopics) { error -> scope.launch { internalErrorFlow.emit(SDKError(error)) } }
         } catch (e: Exception) {
             scope.launch { internalErrorFlow.emit(SDKError(e)) }
@@ -416,6 +440,7 @@ internal class PairingEngine(
         pairingRepository.getPairingOrNullByTopic(Topic(topic))?.let { pairing -> return@let pairing.isNotExpired() } ?: false
 
     companion object {
-        private const val WATCHER_INTERVAL = 3000L
+        private const val WATCHER_INTERVAL = 5000L
+        private const val ACTIVE_PAIRINGS_WATCHER_INTERVAL = 600000L //10mins
     }
 }

core/android/src/main/sqldelight/com/walletconnect/android/sdk/storage/data/dao/Pairing.sq

@@ -21,6 +21,24 @@ SELECT pd.topic, pd.expiry, pd.relay_protocol, pd.relay_data, pd.uri, pd.methods
 FROM Pairing pd
     LEFT JOIN MetaData mdd_peer ON pd.topic = mdd_peer.sequence_topic AND mdd_peer.type = "PEER";
 
+getListOfInactivePairingsWithoutRequestReceived:
+SELECT pd.topic, pd.expiry, pd.relay_protocol, pd.relay_data, pd.uri, pd.methods, pd.is_active, pd.is_proposal_received, mdd_peer.name, mdd_peer.description, mdd_peer.url, mdd_peer.icons, mdd_peer.native
+FROM Pairing pd
+    LEFT JOIN MetaData mdd_peer ON pd.topic = mdd_peer.sequence_topic AND mdd_peer.type = "PEER"
+WHERE pd.is_active = 0 AND pd.is_proposal_received = 0;
+
+getListOfInactivePairings:
+SELECT pd.topic, pd.expiry, pd.relay_protocol, pd.relay_data, pd.uri, pd.methods, pd.is_active, pd.is_proposal_received, mdd_peer.name, mdd_peer.description, mdd_peer.url, mdd_peer.icons, mdd_peer.native
+FROM Pairing pd
+    LEFT JOIN MetaData mdd_peer ON pd.topic = mdd_peer.sequence_topic AND mdd_peer.type = "PEER"
+WHERE pd.is_active = 0;
+
+getListOfActivePairings:
+SELECT pd.topic, pd.expiry, pd.relay_protocol, pd.relay_data, pd.uri, pd.methods, pd.is_active, pd.is_proposal_received, mdd_peer.name, mdd_peer.description, mdd_peer.url, mdd_peer.icons, mdd_peer.native
+FROM Pairing pd
+    LEFT JOIN MetaData mdd_peer ON pd.topic = mdd_peer.sequence_topic AND mdd_peer.type = "PEER"
+WHERE pd.is_active = 1;
+
 getPairingByTopic:
 SELECT pd.topic, pd.expiry, pd.relay_protocol, pd.relay_data, pd.uri, pd.methods, pd.is_active, pd.is_proposal_received, mdd_peer.name, mdd_peer.description, mdd_peer.url, mdd_peer.icons, mdd_peer.native
 FROM Pairing pd

protocol/sign/src/main/kotlin/com/walletconnect/sign/di/EngineModule.kt

@@ -62,7 +62,8 @@ internal fun engineModule() = module {
             respondSessionRequestUseCase = get(),
             sessionRequestUseCase = get(),
             sessionUpdateUseCase = get(),
-            deleteRequestByIdUseCase = get()
+            deleteRequestByIdUseCase = get(),
+            logger = get(named(AndroidCommonDITags.LOGGER))
         )
     }
 }