Validate EAP currency in Registry build

Verify that the currency of all entries in the EAP fee schedule map matches
that of the registry object itself.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=124967612

java/google/registry/model/registry/Registry.java

@@ -826,15 +826,19 @@ public class Registry extends ImmutableObject implements Buildable {
       checkArgument(
           instance.getServerStatusChangeCost().getCurrencyUnit().equals(instance.currency),
           "Server status change cost must be in the registry's currency");
+      Predicate<Money> currencyCheck = new Predicate<Money>(){
+          @Override
+          public boolean apply(Money money) {
+            return money.getCurrencyUnit().equals(instance.currency);
+          }};
       checkArgument(
           Iterables.all(
-              instance.getRenewBillingCostTransitions().values(),
+              instance.getRenewBillingCostTransitions().values(), currencyCheck),
-              new Predicate<Money>(){
-                @Override
-                public boolean apply(Money money) {
-                  return money.getCurrencyUnit().equals(instance.currency);
-                }}),
           "Renew cost must be in the registry's currency");
+      checkArgument(
+          Iterables.all(
+              instance.eapFeeSchedule.toValueMap().values(), currencyCheck),
+          "All EAP fees must be in the registry's currency");
       checkArgumentNotNull(
           instance.pricingEngineClassName, "All registries must have a configured pricing engine");
       instance.tldStrId = tldName;

java/google/registry/tools/CreateTldCommand.java

@@ -30,6 +30,7 @@ import com.beust.jcommander.Parameters;
 import google.registry.model.registry.Registry;
 import google.registry.model.registry.Registry.TldState;
 
+import org.joda.money.CurrencyUnit;
 import org.joda.money.Money;
 
 import javax.annotation.Nullable;
@@ -73,9 +74,17 @@ class CreateTldCommand extends CreateOrUpdateTldCommand {
   void setCommandSpecificProperties(Registry.Builder builder) {
     // Pick up the currency from the create cost. Since all costs must be in one currency, and that
     // condition is enforced by the builder, it doesn't matter which cost we choose it from.
-    builder.setCurrency(createBillingCost != null
+    CurrencyUnit currency = createBillingCost != null
         ? createBillingCost.getCurrencyUnit()
-        : Registry.DEFAULT_CURRENCY);
+        : Registry.DEFAULT_CURRENCY;
+
+    builder.setCurrency(currency);
+
+    // If this is a non-default currency, set the EAP fee schedule to a matching currency.
+    // TODO(b/29089413): once we have a flag for this, don't do this check if the flag is set.
+    if (currency != Registry.DEFAULT_CURRENCY) {
+      builder.setEapFeeSchedule(ImmutableSortedMap.of(START_OF_TIME, Money.zero(currency)));
+    }
   }
 
   @Override

javatests/google/registry/model/registry/RegistryTest.java

@@ -434,4 +434,13 @@ public class RegistryTest extends EntityTestCase {
     assertThat(registry.getEapFeeFor(clock.nowUtc().minusDays(2))).isEqualTo(Money.of(USD, 0));
     assertThat(registry.getEapFeeFor(clock.nowUtc().plusDays(2))).isEqualTo(Money.of(USD, 50));
   }
+
+  @Test
+  public void testFailure_eapFee_wrongCurrency() {
+    thrown.expect(
+        IllegalArgumentException.class, "All EAP fees must be in the registry's currency");
+    Registry.get("tld").asBuilder()
+        .setEapFeeSchedule(ImmutableSortedMap.of(START_OF_TIME, Money.zero(EUR)))
+        .build();
+  }
 }