Smartx Bid Adapter: Add Schain support

modules/smartxBidAdapter.js

@@ -67,7 +67,6 @@ export const spec = {
    * @return ServerRequest Info describing the request to the server.
    */
   buildRequests: function (bidRequests, bidderRequest) {
-    // TODO: does the fallback make sense here?
     const page = bidderRequest.refererInfo.page || bidderRequest.refererInfo.topmostLocation;
     const isPageSecure = !!page.match(/^https:/)
 
@@ -197,16 +196,23 @@ export const spec = {
         userExt.fpc = pubcid;
       }
 
+      // Add schain object if available
+      if (bid && bid.schain) {
+        requestPayload['source'] = {
+          ext: {
+            schain: bid.schain
+          }
+        };
+      }
+
       // Only add the user object if it's not empty
       if (!isEmpty(userExt)) {
         requestPayload.user = {
           ext: userExt
         };
       }
 
-      //     requestPayload.user.ext.ver = pbjs.version;
-
-      // Targeting
+      // Add targeting
       if (getBidIdParameter('data', bid.params.user)) {
         var targetingarr = [];
         for (var i = 0; i < bid.params.user.data.length; i++) {
@@ -225,8 +231,6 @@ export const spec = {
           }
         }
 
-        // Todo: USER ID MODULE
-
         requestPayload.user = {
           ext: userExt,
           data: targetingarr
@@ -269,7 +273,6 @@ export const spec = {
           }
           /**
            * Make sure currency and price are the right ones
-           * TODO: what about the pre_market_bid partners sizes?
            */
           _each(currentBidRequest.params.pre_market_bids, function (pmb) {
             if (pmb.deal_id == smartxBid.id) {

test/spec/modules/smartxBidAdapter_spec.js

@@ -342,6 +342,38 @@ describe('The smartx adapter', function () {
       expect(request.data.imp[0].video.minduration).to.equal(3);
       expect(request.data.imp[0].video.maxduration).to.equal(15);
     });
+
+    it('should pass schain param', function () {
+      var request;
+
+      bid.schain = {
+        complete: 1,
+        nodes: [
+          {
+            asi: 'indirectseller.com',
+            sid: '00001',
+            hp: 1
+          }
+        ]
+      }
+
+      request = spec.buildRequests([bid], bidRequestObj)[0];
+
+      expect(request.data.source).to.deep.equal({
+        ext: {
+          schain: {
+            complete: 1,
+            nodes: [
+              {
+                asi: 'indirectseller.com',
+                sid: '00001',
+                hp: 1
+              }
+            ]
+          }
+        }
+      })
+    });
   });
 
   describe('interpretResponse', function () {