Merge pull request #527 from synonymdev/test/lnurl

Test/lnurl adjustments

Author: ovitrif

app/src/main/java/to/bitkit/ui/sheets/LnurlAuthSheet.kt

@@ -91,7 +91,7 @@ private fun Content(
                 fullWidth = false,
                 modifier = Modifier
                     .weight(1f)
-                    .testTag("cancel_button")
+                    .testTag("LnurlAuthCancel")
             )
             // TODO add missing localized text
             PrimaryButton(
@@ -100,7 +100,7 @@ private fun Content(
                 fullWidth = false,
                 modifier = Modifier
                     .weight(1f)
-                    .testTag("continue_button")
+                    .testTag("LnurlAuthContinue")
             )
         }
         VerticalSpacer(16.dp)

app/src/main/java/to/bitkit/viewmodels/AppViewModel.kt

@@ -598,6 +598,19 @@ class AppViewModel @Inject constructor(
         }
 
         val lnurl = _sendUiState.value.lnurl
+        if (lnurl is LnurlParams.LnurlPay) {
+            val minSendable = lnurl.data.minSendableSat()
+            if (_sendUiState.value.amount < minSendable) {
+                toast(
+                    type = Toast.ToastType.ERROR,
+                    title = context.getString(R.string.wallet__lnurl_pay__error_min__title),
+                    description = context.getString(R.string.wallet__lnurl_pay__error_min__description)
+                        .replace("{amount}", minSendable.toString()),
+                    testTag = "LnurlPayAmountTooLowToast",
+                )
+                return
+            }
+        }
         if (lnurl is LnurlParams.LnurlWithdraw) {
             setSendEffect(SendEffect.NavigateToWithdrawConfirm)
             return
@@ -630,10 +643,9 @@ class AppViewModel @Inject constructor(
                 null -> lightningRepo.canSend(amount)
                 is LnurlParams.LnurlWithdraw -> amount < lnurl.data.maxWithdrawableSat()
                 is LnurlParams.LnurlPay -> {
-                    val minSat = lnurl.data.minSendableSat()
                     val maxSat = lnurl.data.maxSendableSat()
 
-                    amount in minSat..maxSat && lightningRepo.canSend(amount)
+                    amount <= maxSat && lightningRepo.canSend(amount)
                 }
             }
 
@@ -823,15 +835,17 @@ class AppViewModel @Inject constructor(
             return
         }
 
+        val hasAmount = minSendable == maxSendable && minSendable > 0u
+        val initialAmount = if (hasAmount) minSendable else 0u
+
         _sendUiState.update {
             it.copy(
-                amount = minSendable,
+                amount = initialAmount,
                 payMethod = SendMethod.LIGHTNING,
                 lnurl = LnurlParams.LnurlPay(data),
             )
         }
 
-        val hasAmount = minSendable == maxSendable && minSendable > 0u
         if (hasAmount) {
             Logger.info("Found amount $$minSendable in lnurlPay, proceeding with payment", context = TAG)