added caller info

Author: curlyblueeagle

src/main/java/org/prebid/server/bidder/thirtythreeacross/ThirtyThreeAcrossBidder.java

@@ -18,14 +18,18 @@
 import org.prebid.server.bidder.model.HttpCall;
 import org.prebid.server.bidder.model.HttpRequest;
 import org.prebid.server.bidder.model.Result;
+import org.prebid.server.bidder.thirtythreeacross.proto.ThirtyThreeAcrossCaller;
 import org.prebid.server.bidder.thirtythreeacross.proto.ThirtyThreeAcrossImpExt;
 import org.prebid.server.bidder.thirtythreeacross.proto.ThirtyThreeAcrossImpExtTtx;
+import org.prebid.server.bidder.thirtythreeacross.proto.ThirtyThreeAcrossReqExt;
+import org.prebid.server.bidder.thirtythreeacross.proto.ThirtyThreeAcrossReqExtTtx;
 import org.prebid.server.bidder.thirtythreeacross.response.ThirtyThreeAcrossBidExt;
 import org.prebid.server.bidder.thirtythreeacross.response.ThirtyThreeAcrossBidExtTtx;
 import org.prebid.server.exception.PreBidException;
 import org.prebid.server.json.DecodeException;
 import org.prebid.server.json.JacksonMapper;
 import org.prebid.server.proto.openrtb.ext.ExtPrebid;
+import org.prebid.server.proto.openrtb.ext.request.ExtRequest;
 import org.prebid.server.proto.openrtb.ext.request.thirtythreeacross.ExtImpThirtyThreeAcross;
 import org.prebid.server.proto.openrtb.ext.response.BidType;
 import org.prebid.server.util.HttpUtil;
@@ -149,9 +153,28 @@ private ObjectNode createImpExt(String productId, String zoneId, String siteId)
         return mapper.mapper().valueToTree(ttxImpExt);
     }
 
+    private ExtRequest createReqExt() {
+        final List<ThirtyThreeAcrossCaller> ttxCaller = new ArrayList<>();
+        ttxCaller.add(ThirtyThreeAcrossCaller.of());
+
+        final ExtRequest ttxReqExt = mapper.fillExtension(
+            ExtRequest.empty(),
+            ThirtyThreeAcrossReqExt.of(
+                ThirtyThreeAcrossReqExtTtx.of(ttxCaller)
+            )
+        );
+
+        return ttxReqExt;
+    }
+
+    private void foo() {
+
+    }
+
     private HttpRequest<BidRequest> createRequest(BidRequest request, List<Imp> requestImps) {
         final BidRequest modifiedRequest = request.toBuilder()
                 .imp(requestImps)
+                .ext(createReqExt())
                 .build();
 
         return HttpRequest.<BidRequest>builder()

src/main/java/org/prebid/server/bidder/thirtythreeacross/proto/ThirtyThreeAcrossCaller.java

@@ -0,0 +1,12 @@
+package org.prebid.server.bidder.thirtythreeacross.proto;
+
+import lombok.NoArgsConstructor;
+import lombok.Value;
+
+@NoArgsConstructor(staticName = "of")
+@Value
+public class ThirtyThreeAcrossCaller {
+  final String name = "Prebid-Server-Java";
+
+  final String version = "N/A";
+}

src/main/java/org/prebid/server/bidder/thirtythreeacross/proto/ThirtyThreeAcrossReqExt.java

@@ -0,0 +1,11 @@
+package org.prebid.server.bidder.thirtythreeacross.proto;
+
+import lombok.AllArgsConstructor;
+import lombok.Value;
+
+@AllArgsConstructor(staticName = "of")
+@Value
+public class ThirtyThreeAcrossReqExt {
+
+    ThirtyThreeAcrossReqExtTtx ttx;
+}

src/main/java/org/prebid/server/bidder/thirtythreeacross/proto/ThirtyThreeAcrossReqExtTtx.java

@@ -0,0 +1,13 @@
+package org.prebid.server.bidder.thirtythreeacross.proto;
+
+import lombok.AllArgsConstructor;
+import lombok.Value;
+ 
+import java.util.List;
+
+@AllArgsConstructor(staticName = "of")
+@Value
+public class ThirtyThreeAcrossReqExtTtx {
+
+    List<ThirtyThreeAcrossCaller> caller; 
+}

src/test/resources/org/prebid/server/it/openrtb2/thirtythreeacross/test-thirtythreeacross-bid-request.json

@@ -38,5 +38,15 @@
     "ext": {
       "gdpr": 0
     }
+  },
+  "ext": {
+    "ttx": {
+      "caller": [
+        {
+          "name": "Prebid-Server-Java",
+          "version": "N/A"
+        }
+      ]
+    }
   }
 }