Remove/add white space nits. Add comment for -8 value check in error conditional

cmd/ingest/main.go

@@ -160,6 +160,7 @@ func getBlock(rpcClient *rpcclient.Client, height int) (*parser.Block, error) {
 	if rpcErr != nil {
 		errParts := strings.SplitN(rpcErr.Error(), ":", 2)
 		errCode, err = strconv.ParseInt(errParts[0], 10, 32)
+		//Check to see if we are requesting a height the zcashd doesn't have yet
 		if err == nil && errCode == -8 {
 			return nil, nil
 		}