Use Http Compression (#1884)

Where vertx allows turn on gzip compression for HTTP.

Signed-off-by: Danno Ferrin <danno.ferrin@gmail.com>

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/graphql/GraphQLHttpService.java

@@ -129,7 +129,11 @@ public class GraphQLHttpService {
     // Create the HTTP server and a router object.
     httpServer =
         vertx.createHttpServer(
-            new HttpServerOptions().setHost(config.getHost()).setPort(config.getPort()));
+            new HttpServerOptions()
+                .setHost(config.getHost())
+                .setPort(config.getPort())
+                .setHandle100ContinueAutomatically(true)
+                .setCompressionSupported(true));
 
     // Handle graphql http requests
     final Router router = Router.router(vertx);

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/JsonRpcHttpService.java

@@ -340,7 +340,8 @@ public class JsonRpcHttpService {
         new HttpServerOptions()
             .setHost(config.getHost())
             .setPort(config.getPort())
-            .setHandle100ContinueAutomatically(true);
+            .setHandle100ContinueAutomatically(true)
+            .setCompressionSupported(true);
 
     applyTlsConfig(httpServerOptions);
     return httpServerOptions;

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/websocket/WebSocketService.java

@@ -91,8 +91,10 @@ public class WebSocketService {
                 new HttpServerOptions()
                     .setHost(configuration.getHost())
                     .setPort(configuration.getPort())
-                    .setWebsocketSubProtocols("undefined"))
-            .websocketHandler(websocketHandler())
+                    .setHandle100ContinueAutomatically(true)
+                    .setCompressionSupported(true)
+                    .addWebSocketSubProtocol("undefined"))
+            .webSocketHandler(websocketHandler())
             .requestHandler(httpHandler())
             .listen(startHandler(resultFuture));
 

metrics/core/src/main/java/org/hyperledger/besu/metrics/prometheus/MetricsHttpService.java

@@ -81,7 +81,11 @@ public class MetricsHttpService implements MetricsService {
     // Create the HTTP server and a router object.
     httpServer =
         vertx.createHttpServer(
-            new HttpServerOptions().setHost(config.getHost()).setPort(config.getPort()));
+            new HttpServerOptions()
+                .setHost(config.getHost())
+                .setPort(config.getPort())
+                .setHandle100ContinueAutomatically(true)
+                .setCompressionSupported(true));
 
     final Router router = Router.router(vertx);