fix: frontend throttle capacity stop querying the platform for roster

Signed-off-by: Miroslav Gatsanoga <[email protected]>

hedera-node/hedera-app/src/main/java/com/hedera/node/app/platform/PlatformModule.java

@@ -30,7 +30,6 @@
 import java.nio.charset.Charset;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.ForkJoinPool;
-import java.util.function.IntSupplier;
 import java.util.function.Supplier;
 import javax.inject.Singleton;
 
@@ -55,12 +54,6 @@ static Supplier<Charset> provideNativeCharset() {
         return Charset::defaultCharset;
     }
 
-    @Provides
-    @Singleton
-    static IntSupplier provideFrontendThrottleSplit(@NonNull final Platform platform) {
-        return () -> platform.getRoster().rosterEntries().size();
-    }
-
     @Binds
     @Singleton
     ReconnectCompleteListener bindReconnectListener(ReconnectListener reconnectListener);

hedera-node/hedera-app/src/main/java/com/hedera/node/app/throttle/ThrottleServiceModule.java

@@ -28,6 +28,7 @@
 import com.hedera.node.config.ConfigProvider;
 import com.hedera.node.config.data.FeesConfig;
 import com.swirlds.metrics.api.Metrics;
+import com.swirlds.state.lifecycle.info.NetworkInfo;
 import dagger.Binds;
 import dagger.Module;
 import dagger.Provides;
@@ -57,10 +58,12 @@ static ThrottleAccumulator provideBackendThrottleAccumulator(ConfigProvider conf
     @Singleton
     @IngestThrottle
     static ThrottleAccumulator provideIngestThrottleAccumulator(
-            @NonNull final IntSupplier frontendThrottleSplit,
+            @NonNull final NetworkInfo networkInfo,
             @NonNull final ConfigProvider configProvider,
             @NonNull final Metrics metrics) {
         final var throttleMetrics = new ThrottleMetrics(metrics, FRONTEND_THROTTLE);
+        final IntSupplier frontendThrottleSplit =
+                () -> networkInfo.roster().rosterEntries().size();
         return new ThrottleAccumulator(frontendThrottleSplit, configProvider, FRONTEND_THROTTLE, throttleMetrics);
     }
 

hedera-node/hedera-app/src/main/java/com/hedera/node/app/workflows/standalone/impl/StandaloneNetworkInfo.java

@@ -24,6 +24,7 @@
 import com.hedera.hapi.node.base.AccountID;
 import com.hedera.hapi.node.base.NodeAddressBook;
 import com.hedera.hapi.node.state.roster.Roster;
+import com.hedera.hapi.node.state.roster.RosterEntry;
 import com.hedera.node.app.info.NodeInfoImpl;
 import com.hedera.node.config.ConfigProvider;
 import com.hedera.node.config.data.FilesConfig;
@@ -35,6 +36,7 @@
 import com.swirlds.state.lifecycle.info.NodeInfo;
 import edu.umd.cs.findbugs.annotations.NonNull;
 import edu.umd.cs.findbugs.annotations.Nullable;
+import java.util.Comparator;
 import java.util.List;
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -135,7 +137,17 @@ public void updateFrom(final State state) {
 
     @Override
     public Roster roster() {
-        throw new UnsupportedOperationException("Not implemented");
+        return Roster.newBuilder()
+                .rosterEntries(nodeInfosOrThrow().stream()
+                        .map(node -> RosterEntry.newBuilder()
+                                .nodeId(node.nodeId())
+                                .weight(node.stake())
+                                .gossipCaCertificate(node.sigCertBytes())
+                                .gossipEndpoint(node.gossipEndpoints())
+                                .build())
+                        .sorted(Comparator.comparing(RosterEntry::nodeId))
+                        .toList())
+                .build();
     }
 
     private @NonNull List<NodeInfo> nodeInfosOrThrow() {