fix: spinner when loading details from successful send

app/src/main/java/com/bitcointxoko/gudariwallet/ui/UiStates.kt

@@ -91,7 +91,8 @@ sealed class SendState {
     data class  PaymentSent(
         val amountSats : Long,
         val feeSats    : Long? = null,
-        val paymentHash: String
+        val paymentHash: String,
+        val pendingRecord: PaymentRecord? = null
     )                                         : SendState()
     data class  Error(val message: String)    : SendState()
 }

app/src/main/java/com/bitcointxoko/gudariwallet/ui/WalletScreen.kt

@@ -297,8 +297,8 @@ fun WalletScreen(
                     SendScreen(
                         vm = vm,
                         nfcVm = nfcVm,
-                        onViewDetails = { checkingId ->
+                        onViewDetails = { checkingId, record ->
-                            historyVm.refresh()
+                            historyVm.primePayment(record)
                             navController.navigate("payment_detail/$checkingId") {
                                 launchSingleTop = true
                             }

app/src/main/java/com/bitcointxoko/gudariwallet/ui/history/HistoryViewModel.kt

@@ -39,6 +39,10 @@ class HistoryViewModel(
         scope         = viewModelScope,
         onNewPayments = { payments -> enricher.enrich(payments) }
     )
+    // ── Optimistic insert (called after a successful send) ─────────────────────
+    fun primePayment(record: PaymentRecord) {
+        syncManager.primePayment(record)
+    }
     private val enricher: PaymentEnricher = PaymentEnricher(
         repo         = repo,
         aliasRepo    = aliasRepo,

app/src/main/java/com/bitcointxoko/gudariwallet/ui/history/PaymentSyncManager.kt

@@ -192,4 +192,20 @@ class PaymentSyncManager(
             )
         }
     }
+
+    // ── Optimistic insert ──────────────────────────────────────────────────────
+
+    fun primePayment(record: PaymentRecord) {
+        val current = mutableState.value
+        if (current is HistoryState.Success) {
+            val already = current.payments.any { it.checkingId == record.checkingId }
+            if (!already) {
+                mutableState.value = current.copy(
+                    payments = listOf(record) + current.payments
+                )
+            }
+        }
+        // If state is Loading/Error (e.g. first launch), the next syncNewPayments()
+        // will fetch the real record from the API — no action needed here.
+    }
 }

app/src/main/java/com/bitcointxoko/gudariwallet/ui/send/SendScreen.kt

@@ -21,6 +21,7 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.bitcointxoko.gudariwallet.api.PaymentRecord
 import com.bitcointxoko.gudariwallet.ui.BalanceState
 import com.bitcointxoko.gudariwallet.ui.NfcOfferState
 import com.bitcointxoko.gudariwallet.ui.SendState
@@ -36,7 +37,7 @@ import kotlinx.coroutines.launch
 fun SendScreen(
     vm           : WalletViewModel,
     nfcVm        : NfcViewModel,
-    onViewDetails: (paymentHash: String) -> Unit = {}
+    onViewDetails: (paymentHash: String, record: PaymentRecord) -> Unit = { _, _ -> }
 ) {
     val sendState    : SendState by vm.sendState.collectAsStateWithLifecycle()
     var input        by remember { mutableStateOf("") }
@@ -244,7 +245,13 @@ fun SendScreen(
                 )
                 Spacer(Modifier.height(32.dp))
                 OutlinedButton(
-                    onClick  = { onViewDetails(state.paymentHash) },
+                    onClick = {
+                        val record = state.pendingRecord
+                        if (record != null) {
+                            onViewDetails(state.paymentHash, record)
+                        }
+                    },
+                    enabled  = state.pendingRecord != null,
                     modifier = Modifier.fillMaxWidth()
                 ) { Text("Details") }
                 Spacer(Modifier.height(8.dp))

app/src/main/java/com/bitcointxoko/gudariwallet/ui/send/SendViewModel.kt

@@ -5,6 +5,7 @@ import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.bitcointxoko.gudariwallet.api.LnurlScanResponse
+import com.bitcointxoko.gudariwallet.api.PaymentRecord
 import com.bitcointxoko.gudariwallet.api.RouteHintHop
 import com.bitcointxoko.gudariwallet.data.LnurlCacheRepository
 import com.bitcointxoko.gudariwallet.data.NodeAliasRepository
@@ -65,6 +66,7 @@ class SendViewModel(
 
     fun payBolt11(bolt11: String) {
         viewModelScope.launch {
+            val decoded = _sendState.value as? SendState.Bolt11Decoded
             val amountSats = (_sendState.value as? SendState.Bolt11Decoded)?.amountSats ?: 0L
             _sendState.value = SendState.Paying
             runCatching { repo.payBolt11(bolt11) }
@@ -73,9 +75,18 @@ class SendViewModel(
                         repo.getPaymentDetail(response.paymentHash).details?.feeSat
                     }.getOrNull()
                     _sendState.value = SendState.PaymentSent(
-                        amountSats = amountSats,
+                        amountSats    = amountSats,
-                        feeSats    = feeSats,
+                        feeSats       = feeSats,
-                        paymentHash = response.paymentHash
+                        paymentHash   = response.paymentHash,
+                        pendingRecord = buildPendingRecord(
+                            paymentHash = response.paymentHash,
+                            amountSats  = amountSats,
+                            feeSats     = feeSats,
+                            bolt11      = decoded?.bolt11,
+                            memo        = decoded?.memo,
+                            pubkey      = decoded?.payee,
+                            alias       = decoded?.nodeAlias
+                        )
                     )
                     balanceVm.refreshBalance()
                 }
@@ -230,9 +241,18 @@ class SendViewModel(
                     repo.getPaymentDetail(paymentHash).details?.feeSat
                 }.getOrNull()
                 _sendState.value = SendState.PaymentSent(
-                    amountSats = state.amountSats,
+                    amountSats    = state.amountSats,
-                    feeSats    = feeSats,
+                    feeSats       = feeSats,
-                    paymentHash = paymentHash
+                    paymentHash   = paymentHash,
+                    pendingRecord = buildPendingRecord(
+                        paymentHash = paymentHash,
+                        amountSats  = state.amountSats,
+                        feeSats     = feeSats,
+                        bolt11      = state.bolt11,
+                        memo        = state.memo,
+                        pubkey      = state.payee,
+                        alias       = state.nodeAlias
+                    )
                 )
                 balanceVm.refreshBalance()
                 return@launch
@@ -454,14 +474,31 @@ class SendViewModel(
         )
     }
 
-    private suspend fun recordPaymentSuccess(paymentHash: String, amountMsat: Long) {
+    private suspend fun recordPaymentSuccess(
+        paymentHash: String,
+        amountMsat: Long,
+        bolt11      : String?  = null,
+        memo        : String?  = null,
+        pubkey      : String?  = null,
+        alias       : String?  = null
+    ) {
         val feeSats = runCatching {
             repo.getPaymentDetail(paymentHash).details?.feeSat
         }.getOrNull()
+        val amountSats = amountMsat / WalletConstants.MSAT_PER_SAT
         _sendState.value = SendState.PaymentSent(
-            amountSats = amountMsat / WalletConstants.MSAT_PER_SAT,
+            amountSats    = amountSats,
-            feeSats    = feeSats,
+            feeSats       = feeSats,
-            paymentHash = paymentHash
+            paymentHash   = paymentHash,
+            pendingRecord = buildPendingRecord(
+                paymentHash = paymentHash,
+                amountSats  = amountSats,
+                feeSats     = feeSats,
+                bolt11      = bolt11,
+                memo        = memo,
+                pubkey      = pubkey,
+                alias       = alias
+            )
         )
         balanceVm.refreshBalance()
     }
@@ -551,4 +588,28 @@ class SendViewModel(
             key to value
         }.toMap()
     }
+
+    private fun buildPendingRecord(
+        paymentHash: String,
+        amountSats : Long,
+        feeSats    : Long?,
+        bolt11     : String?,
+        memo       : String?,
+        pubkey     : String?,
+        alias      : String?
+    ): PaymentRecord = PaymentRecord(
+        paymentHash = paymentHash,
+        checkingId = paymentHash,
+        amountMsat = -(amountSats * 1_000L),          // negative = outgoing
+        feeMsat = (feeSats ?: 0L) * 1_000L,
+        memo = memo,
+        time = (System.currentTimeMillis() / 1_000L).toString(),
+        status = "complete",
+        bolt11 = bolt11,
+        pending = false,
+        preimage = null,
+        extra = null,
+        pubkey = pubkey,
+        alias = alias
+    )
 }