feat: add history sync worker

app/src/main/java/com/bitcointxoko/gudariwallet/data/HistoricalSyncStore.kt

@@ -0,0 +1,28 @@
+package com.bitcointxoko.gudariwallet.data
+
+import android.content.Context
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
+
+private val Context.historicalSyncDataStore by preferencesDataStore("historical_sync_prefs")
+
+class HistoricalSyncStore(private val context: Context) {
+
+    private val KEY_COMPLETE = booleanPreferencesKey("historical_sync_complete")
+
+    /** One-shot suspend check — used by the worker guard at startup. */
+    suspend fun isComplete(): Boolean =
+        context.historicalSyncDataStore.data.first()[KEY_COMPLETE] == true
+
+    /** Persist the completion flag. Called once by the worker on success. */
+    suspend fun markComplete() =
+        context.historicalSyncDataStore.edit { it[KEY_COMPLETE] = true }
+
+    /** Observable — used by the onboarding UI to react to completion. */
+    val isCompleteFlow: Flow<Boolean> =
+        context.historicalSyncDataStore.data.map { it[KEY_COMPLETE] == true }
+}

app/src/main/java/com/bitcointxoko/gudariwallet/data/LNbitsWalletRepository.kt

@@ -280,6 +280,9 @@ class LNbitsWalletRepository(
         return api.getPayments(secrets.invoiceKey(), limit, offset)
     }
 
+    override suspend fun getPaymentsPaginated(offset: Int, limit: Int): PaginatedPaymentsResponse =
+        api.getPaymentsPaginated(secrets.invoiceKey(), offset, limit)
+
     override suspend fun getPaymentDetail(checkingId: String): PaymentDetailResponse {
         return api.getPaymentDetail(secrets.invoiceKey(), checkingId)
     }

app/src/main/java/com/bitcointxoko/gudariwallet/data/WalletRepository.kt

@@ -1,6 +1,7 @@
 package com.bitcointxoko.gudariwallet.data
 
 import com.bitcointxoko.gudariwallet.api.LnurlScanResponse
+import com.bitcointxoko.gudariwallet.api.PaginatedPaymentsResponse
 import com.bitcointxoko.gudariwallet.api.PaymentDetailResponse
 import com.bitcointxoko.gudariwallet.api.PaymentRecord
 import com.bitcointxoko.gudariwallet.api.WithdrawCallbackResponse
@@ -36,6 +37,7 @@ interface WalletRepository {
     ): WithdrawCallbackResponse
     suspend fun getLightningAddress(): String?
     suspend fun getPayments(offset: Int, limit: Int): List<PaymentRecord>
+    suspend fun getPaymentsPaginated(offset: Int, limit: Int): PaginatedPaymentsResponse
     suspend fun getPaymentDetail(checkingId: String): PaymentDetailResponse
     suspend fun getFiatRate(currency: String): Double
     suspend fun getSupportedCurrencies(): List<String>