Introduce bidderResponse in raw_bidder_response_stage

hooks/hookexecution/executor.go

@@ -229,10 +229,10 @@ func (e *hookExecutor) ExecuteRawBidderResponseStage(response *adapters.BidderRe
 
 	stageName := hooks.StageRawBidderResponse.String()
 	executionCtx := e.newContext(stageName)
-	payload := hookstage.RawBidderResponsePayload{Bids: response.Bids, Bidder: bidder}
+	payload := hookstage.RawBidderResponsePayload{BidderResponse: response, Bidder: bidder}
 
 	outcome, payload, contexts, reject := executeStage(executionCtx, plan, payload, handler, e.metricEngine)
-	response.Bids = payload.Bids
+	response = payload.BidderResponse
 	outcome.Entity = entity(bidder)
 	outcome.Stage = stageName
 

hooks/hookexecution/mocks_test.go

@@ -151,7 +151,7 @@ func (e mockTimeoutHook) HandleRawBidderResponseHook(_ context.Context, _ hookst
 	time.Sleep(20 * time.Millisecond)
 	c := hookstage.ChangeSet[hookstage.RawBidderResponsePayload]{}
 	c.AddMutation(func(payload hookstage.RawBidderResponsePayload) (hookstage.RawBidderResponsePayload, error) {
-		payload.Bids[0].BidMeta = &openrtb_ext.ExtBidPrebidMeta{AdapterCode: "new-code"}
+		payload.BidderResponse.Bids[0].BidMeta = &openrtb_ext.ExtBidPrebidMeta{AdapterCode: "new-code"}
 		return payload, nil
 	}, hookstage.MutationUpdate, "bidderResponse", "bidMeta.AdapterCode")
 
@@ -351,7 +351,7 @@ func (e mockUpdateBidderResponseHook) HandleRawBidderResponseHook(_ context.Cont
 	c := hookstage.ChangeSet[hookstage.RawBidderResponsePayload]{}
 	c.AddMutation(
 		func(payload hookstage.RawBidderResponsePayload) (hookstage.RawBidderResponsePayload, error) {
-			payload.Bids[0].DealPriority = 10
+			payload.BidderResponse.Bids[0].DealPriority = 10
 			return payload, nil
 		}, hookstage.MutationUpdate, "bidderResponse", "bid.deal-priority",
 	)

hooks/hookstage/rawbidderresponse.go

@@ -21,10 +21,9 @@ type RawBidderResponse interface {
 	) (HookResult[RawBidderResponsePayload], error)
 }
 
-// RawBidderResponsePayload consists of a list of adapters.TypedBid
-// objects representing bids returned by a particular bidder.
-// Hooks are allowed to modify bids using mutations.
+// RawBidderResponsePayload consists of a bidder response returned by a particular bidder.
+// Hooks are allowed to modify bidder response using mutations.
 type RawBidderResponsePayload struct {
-	Bids   []*adapters.TypedBid
-	Bidder string
+	BidderResponse *adapters.BidderResponse
+	Bidder         string
 }

hooks/hookstage/rawbidderresponse_mutations.go

@@ -29,11 +29,12 @@ type ChangeSetBids[T any] struct {
 	changeSetRawBidderResponse ChangeSetRawBidderResponse[T]
 }
 
-func (c ChangeSetBids[T]) Update(bids []*adapters.TypedBid) {
+// UpdateBids updates the list of bids present in bidder-response using mutations.
+func (c ChangeSetBids[T]) UpdateBids(bids []*adapters.TypedBid) {
 	c.changeSetRawBidderResponse.changeSet.AddMutation(func(p T) (T, error) {
 		bidderPayload, err := c.changeSetRawBidderResponse.castPayload(p)
 		if err == nil {
-			bidderPayload.Bids = bids
+			bidderPayload.BidderResponse.Bids = bids
 		}
 		if payload, ok := any(bidderPayload).(T); ok {
 			return payload, nil

modules/prebid/ortb2blocking/hook_raw_bidder_response.go

@@ -34,7 +34,7 @@ func handleRawBidderResponseHook(
 
 	// allowedBids will store all bids that have passed the attribute check
 	allowedBids := make([]*adapters.TypedBid, 0)
-	for _, bid := range payload.Bids {
+	for _, bid := range payload.BidderResponse.Bids {
 
 		failedChecksData := make(map[string]interface{})
 		bidMediaTypes := mediaTypesFromBid(bid)
@@ -77,8 +77,8 @@ func handleRawBidderResponseHook(
 	}
 
 	changeSet := hookstage.ChangeSet[hookstage.RawBidderResponsePayload]{}
-	if len(payload.Bids) != len(allowedBids) {
-		changeSet.RawBidderResponse().Bids().Update(allowedBids)
+	if len(payload.BidderResponse.Bids) != len(allowedBids) {
+		changeSet.RawBidderResponse().Bids().UpdateBids(allowedBids)
 		result.ChangeSet = changeSet
 	}