cloud_functions: Added totalsOnly param to notional-tvl-cumulitive

Consumers may only care about the totals which results in a drastically
smaller response payload size.

event_database/cloud_functions/notional-tvl-cumulative.go

@@ -225,10 +225,12 @@ func TvlCumulative(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Access-Control-Allow-Origin", "*")
 
 	var numDays string
+	var totalsOnly string
 	switch r.Method {
 	case http.MethodGet:
 		queryParams := r.URL.Query()
 		numDays = queryParams.Get("numDays")
+		totalsOnly = queryParams.Get("totalsOnly")
 	}
 
 	var queryDays int
@@ -295,6 +297,8 @@ func TvlCumulative(w http.ResponseWriter, r *http.Request) {
 				}
 
 				asset.Notional = roundToTwoDecimalPlaces(notional)
+
+				if totalsOnly == "" {
 					// create a new LockAsset in order to exclude TokenPrice and Amount
 					dailyTvl[date][chain][symbol] = LockedAsset{
 						Symbol:      asset.Symbol,
@@ -302,6 +306,7 @@ func TvlCumulative(w http.ResponseWriter, r *http.Request) {
 						CoinGeckoId: asset.CoinGeckoId,
 						Notional:    asset.Notional,
 					}
+				}
 
 				// add this asset's notional to the date/chain/*
 				if allAssets, ok := dailyTvl[date][chain]["*"]; ok {