Fix HUF currency formatting.

app/src/main/java/org/thoughtcrime/securesms/database/model/InAppPaymentReceiptRecord.kt

@@ -29,11 +29,10 @@ data class InAppPaymentReceiptRecord(
     @JvmStatic
     fun createForSubscription(subscription: ActiveSubscription.Subscription): InAppPaymentReceiptRecord {
       val activeCurrency = Currency.getInstance(subscription.currency)
-      val activeAmount = subscription.amount.movePointLeft(activeCurrency.defaultFractionDigits)
 
       return InAppPaymentReceiptRecord(
         id = -1L,
-        amount = FiatMoney(activeAmount, activeCurrency),
+        amount = FiatMoney.fromSignalNetworkAmount(subscription.amount, activeCurrency),
         timestamp = System.currentTimeMillis(),
         subscriptionLevel = subscription.level,
         type = if (subscription.level == SubscriptionsConfiguration.BACKUPS_LEVEL) Type.RECURRING_BACKUP else Type.RECURRING_DONATION

core/util/src/main/java/org/signal/core/util/money/FiatMoney.java

@@ -15,6 +15,7 @@ public class FiatMoney {
   private static final Set<String> SPECIAL_CASE_MULTIPLICANDS = new HashSet<>() {{
     add("UGX");
     add("ISK");
+    add("HUF");
   }};
 
   private final BigDecimal amount;

core/util/src/test/java/org/signal/core/util/money/FiatMoneyTest.kt

@@ -101,4 +101,30 @@ class FiatMoneyTest {
     // THEN
     assertEquals("10000", result)
   }
+
+  @Test
+  fun given899HUF_whenIGetMinimumUnitPrecisionString_thenIExpect89900() {
+    // GIVEN
+    val fiatMoney = FiatMoney(BigDecimal.valueOf(899), Currency.getInstance("HUF"))
+
+    // WHEN
+    val result = fiatMoney.minimumUnitPrecisionString
+
+    // THEN
+    assertEquals("89900", result)
+  }
+
+  @Test
+  fun given89900NetworkHUF_whenIConvertFromSignalNetworkAmount_thenIExpect899() {
+    // GIVEN
+    val amount = BigDecimal.valueOf(89900)
+    val currency = Currency.getInstance("HUF")
+
+    // WHEN
+    val result = FiatMoney.fromSignalNetworkAmount(amount, currency)
+
+    // THEN
+    assertEquals(BigDecimal.valueOf(899).setScale(2), result.amount.setScale(2))
+    assertEquals(currency, result.currency)
+  }
 }