fix: disable send button on wo multisig

Author: angelix

common/src/commonMain/kotlin/com/blockstream/common/models/GreenViewModel.kt

@@ -240,6 +240,9 @@ open class GreenViewModel constructor(
     private val _isHwWatchOnly = MutableStateFlow(false)
     val isHwWatchOnly = _isHwWatchOnly
 
+    private val _isMultisigWatchOnly = MutableStateFlow(false)
+    val isMultisigWatchOnly = _isMultisigWatchOnly
+
     private val _isQrWatchOnly = MutableStateFlow(false)
     val isQrWatchOnly = _isQrWatchOnly
 
@@ -290,6 +293,8 @@ open class GreenViewModel constructor(
             _isWatchOnly.value = it
             _isHwWatchOnly.value = session.isHwWatchOnly
             _isQrWatchOnly.value = greenWalletOrNull?.isWatchOnlyQr ?: false
+
+            _isMultisigWatchOnly.value = it && !session.isHwWatchOnly
         }?.launchIn(this)
 
         _event.onEach {

compose/src/commonMain/kotlin/com/blockstream/compose/components/GreenActionButton.kt

@@ -17,11 +17,13 @@ fun RowScope.GreenActionButton(
     text: StringResource,
     icon: ImageVector,
     onClick: () -> Unit,
+    enabled: Boolean = true,
     modifier: Modifier = Modifier
 ) {
     GreenCard(
         padding = 24,
         onClick = onClick,
+        enabled = enabled,
         modifier = modifier.weight(1f)
     ) {
         GreenColumn(

compose/src/commonMain/kotlin/com/blockstream/compose/components/TransactionActionButtons.kt

@@ -16,6 +16,7 @@ import com.blockstream.ui.components.GreenRow
 @Composable
 fun TransactionActionButtons(
     showBuyButton: Boolean,
+    sendEnabled: Boolean,
     onBuy: () -> Unit,
     onSend: () -> Unit,
     onReceive: () -> Unit,
@@ -37,6 +38,7 @@ fun TransactionActionButtons(
         GreenActionButton(
             text = Res.string.id_send,
             icon = PhosphorIcons.Regular.ArrowLineUp,
+            enabled = sendEnabled,
             onClick = onSend
         )
 

compose/src/commonMain/kotlin/com/blockstream/compose/screens/assetaccounts/AssetAccountDetailsScreen.kt

@@ -50,6 +50,7 @@ fun AssetAccountDetailsScreen(
         val totalBalance by viewModel.totalBalance.collectAsStateWithLifecycle()
         val totalBalanceFiat by viewModel.totalBalanceFiat.collectAsStateWithLifecycle()
         val showBuyButton by viewModel.showBuyButton.collectAsStateWithLifecycle()
+        val isMultisigWatchOnly by viewModel.isMultisigWatchOnly.collectAsStateWithLifecycle()
         val hasMoreTransactions by viewModel.hasMoreTransactions.collectAsStateWithLifecycle()
 
         val innerPadding = LocalInnerPadding.current
@@ -83,6 +84,7 @@ fun AssetAccountDetailsScreen(
             item(key = "ButtonsRow") {
                 TransactionActionButtons(
                     showBuyButton = showBuyButton,
+                    sendEnabled = !isMultisigWatchOnly,
                     onBuy = { viewModel.postEvent(AssetAccountDetailsViewModel.LocalEvents.ClickBuy) },
                     onSend = { viewModel.postEvent(AssetAccountDetailsViewModel.LocalEvents.ClickSend) },
                     onReceive = { viewModel.postEvent(AssetAccountDetailsViewModel.LocalEvents.ClickReceive) }

compose/src/commonMain/kotlin/com/blockstream/compose/screens/overview/TransactScreen.kt

@@ -39,6 +39,7 @@ fun TransactScreen(viewModel: TransactViewModelAbstract) {
     SetupScreen(viewModel = viewModel, withPadding = false, withBottomInsets = false) {
 
         val transactions by viewModel.transactions.collectAsStateWithLifecycle()
+        val isMultisigWatchOnly by viewModel.isMultisigWatchOnly.collectAsStateWithLifecycle()
         val innerPadding = LocalInnerPadding.current
         val listState = rememberLazyListState()
 
@@ -56,6 +57,7 @@ fun TransactScreen(viewModel: TransactViewModelAbstract) {
             item(key = "ButtonsRow") {
                 TransactionActionButtons(
                     showBuyButton = true,
+                    sendEnabled = !isMultisigWatchOnly,
                     onBuy = { viewModel.buy() },
                     onSend = { viewModel.postEvent(NavigateDestinations.Send(greenWallet = viewModel.greenWallet)) },
                     onReceive = {