Add `sepaMaximumEuros` field to subscription configuration

service/config/sample.yml

@@ -342,7 +342,7 @@ subscription: # configuration for Stripe subscriptions
             BRAINTREE: plan_example # braintree Plan ID
 
 oneTimeDonations:
-  sepaMaxTransactionSizeEuros: '10000'
+  sepaMaximumEuros: '10000'
   boost:
     level: 1
     expiration: P90D

service/src/main/java/org/whispersystems/textsecuregcm/configuration/OneTimeDonationConfiguration.java

@@ -20,7 +20,7 @@ import javax.validation.constraints.Positive;
 public record OneTimeDonationConfiguration(@Valid ExpiringLevelConfiguration boost,
                                            @Valid ExpiringLevelConfiguration gift,
                                            Map<String, @Valid OneTimeDonationCurrencyConfiguration> currencies,
-                                           BigDecimal sepaMaxTransactionSizeEuros) {
+                                           BigDecimal sepaMaximumEuros) {
 
   /**
    * @param badge      the numeric donation level ID

service/src/main/java/org/whispersystems/textsecuregcm/controllers/SubscriptionController.java

@@ -229,7 +229,7 @@ public class SubscriptionController {
                 giftBadge,
                 oneTimeDonationConfiguration.gift().expiration())));
 
-    return new GetSubscriptionConfigurationResponse(buildCurrencyConfiguration(userAgent), levels);
+    return new GetSubscriptionConfigurationResponse(buildCurrencyConfiguration(userAgent), levels, oneTimeDonationConfiguration.sepaMaximumEuros().toString());
   }
 
   @DELETE
@@ -537,7 +537,8 @@ public class SubscriptionController {
    * @param levels     map of numeric level IDs to level-specific configuration
    */
   public record GetSubscriptionConfigurationResponse(Map<String, CurrencyConfiguration> currencies,
-                                                     Map<String, LevelConfiguration> levels) {
+                                                     Map<String, LevelConfiguration> levels,
+                                                     String sepaMaximumEuros) {
 
   }
 
@@ -712,11 +713,11 @@ public class SubscriptionController {
     if (request.paymentMethod == PaymentMethod.SEPA_DEBIT &&
         amount.compareTo(SubscriptionCurrencyUtil.convertConfiguredAmountToApiAmount(
             EURO_CURRENCY_CODE,
-            oneTimeDonationConfiguration.sepaMaxTransactionSizeEuros())) > 0) {
+            oneTimeDonationConfiguration.sepaMaximumEuros())) > 0) {
       throw new BadRequestException(Response.status(Status.BAD_REQUEST)
           .entity(Map.of(
               "error", "amount_above_sepa_limit",
-              "maximum", oneTimeDonationConfiguration.sepaMaxTransactionSizeEuros().toString())).build());
+              "maximum", oneTimeDonationConfiguration.sepaMaximumEuros().toString())).build());
     }
   }
 

service/src/test/java/org/whispersystems/textsecuregcm/controllers/SubscriptionControllerTest.java

@@ -802,6 +802,7 @@ class SubscriptionControllerTest {
         .header(HttpHeaders.USER_AGENT, userAgent)
         .get(GetSubscriptionConfigurationResponse.class);
 
+    assertThat(response.sepaMaximumEuros()).isEqualTo("10000");
     assertThat(response.currencies()).containsKeys("usd", "jpy", "bif", "eur").satisfies(currencyMap -> {
       assertThat(currencyMap).extractingByKey("usd").satisfies(currency -> {
         assertThat(currency.minimum()).isEqualByComparingTo(
@@ -1087,7 +1088,7 @@ class SubscriptionControllerTest {
               - '8000'
               - '9000'
               - '10000'
-        sepaMaxTransactionSizeEuros: '10000'
+        sepaMaximumEuros: '10000'
         """;
 
   }