feat: add tos enabled flag (#2748)

services/rewards/cmd/rest_run.go

@@ -77,6 +77,8 @@ func RestRun(command *cobra.Command, args []string) {
 		lg.Fatal().Err(err).Msg("error retrieving rewards terms of service version")
 	}
 
+	tosEnabled, _ := strconv.ParseBool(os.Getenv("REWARDS_TOS_VERSION_ENABLED"))
+
 	// Get the bucket from the context and not os.Getenv so we don't diverge. GetParameters uses the context on
 	// each request and this will need to be refactored before we can remove it.
 	cardsBucket, ok := ctx.Value(appctx.ParametersMergeBucketCTXKey).(string)
@@ -91,6 +93,7 @@ func RestRun(command *cobra.Command, args []string) {
 
 	cfg := &rewards.Config{
 		TOSVersion: tosVersion,
+		TOSEnabled: tosEnabled,
 		Cards: &rewards.CardsConfig{
 			Bucket: cardsBucket,
 			Key:    cardsKey,

services/rewards/service.go

@@ -34,6 +34,7 @@ type CardsConfig struct {
 
 type Config struct {
 	TOSVersion int
+	TOSEnabled bool
 	Cards      *CardsConfig
 }
 
@@ -158,6 +159,10 @@ func (s *Service) GetParameters(ctx context.Context, currency *BaseCurrency) (*P
 		},
 	}
 
+	if s.cfg.TOSEnabled {
+		params.TOSVersion = s.cfg.TOSVersion
+	}
+
 	vbatDeadline, ok := ctx.Value(appctx.ParametersVBATDeadlineCTXKey).(time.Time)
 	if ok {
 		params.VBATDeadline = &vbatDeadline