bid: add new fields from 2.5 spec

bid.go

@@ -21,20 +21,26 @@ type Bid struct {
 	Price          float64   `json:"price"`                    // Bid price in CPM. Suggests using integer math for accounting to avoid rounding errors.
 	AdID           string    `json:"adid,omitempty"`           // References the ad to be served if the bid wins.
 	NURL           string    `json:"nurl,omitempty"`           // Win notice URL.
+	BURL           string    `json:"burl,omitempty"`           // Billing notice URL.
+	LURL           string    `json:"lurl,omitempty"`           // Loss notice URL.
 	AdMarkup       string    `json:"adm,omitempty"`            // Actual ad markup. XHTML if a response to a banner object, or VAST XML if a response to a video object.
 	AdvDomain      []string  `json:"adomain,omitempty"`        // Advertiser’s primary or top-level domain for advertiser checking; or multiple if imp rotating.
 	Bundle         string    `json:"bundle,omitempty"`         // A platform-specific application identifier intended to be unique to the app and independent of the exchange.
 	IURL           string    `json:"iurl,omitempty"`           // Sample image URL.
 	CampaignID     string    `json:"cid,omitempty"`            // Campaign ID that appears with the Ad markup.
 	CreativeID     string    `json:"crid,omitempty"`           // Creative ID for reporting content issues or defects. This could also be used as a reference to a creative ID that is posted with an exchange.
+	Tactic         string    `json:"tactic,omitempty"`         // Tactic ID to enable buyers to label bids for reporting to the exchange the tactic through which their bid was submitted.
 	Cat            []string  `json:"cat,omitempty"`            // IAB content categories of the creative. Refer to List 5.1
 	Attr           []int     `json:"attr,omitempty"`           // Array of creative attributes.
 	API            int       `json:"api,omitempty"`            // API required by the markup if applicable
 	Protocol       int       `json:"protocol,omitempty"`       // Video response protocol of the markup if applicable
 	QAGMediaRating int       `json:"qagmediarating,omitempty"` // Creative media rating per IQG guidelines.
+	Language       string    `json:"language,omitempty"`       // Language of the creative using ISO-639-1-alpha-2.
 	DealID         string    `json:"dealid,omitempty"`         // DealID extension of private marketplace deals
 	H              int       `json:"h,omitempty"`              // Height of the ad in pixels.
 	W              int       `json:"w,omitempty"`              // Width of the ad in pixels.
+	WRatio         int       `json:"wratio,omitempty"`         // Relative width of the creative when expressing size as a ratio.
+	HRatio         int       `json:"hratio,omitempty"`         // Relative height of the creative when expressing size as a ratio.
 	Exp            int       `json:"exp,omitempty"`            // Advisory as to the number of seconds the bidder is willing to wait between the auction and the actual impression.
 	Ext            Extension `json:"ext,omitempty"`
 }