support scheduled transaction (#2)

pkg/core/context_cron.go

@@ -10,7 +10,8 @@ import (
 // CronContext represents the cron job context
 type CronContext struct {
 	context.Context
-	contextId string
+	contextId       string
+	cronJobInterval time.Duration
 }
 
 // GetContextId returns the current context id
@@ -18,11 +19,17 @@ func (c *CronContext) GetContextId() string {
 	return c.contextId
 }
 
+// GetInterval returns the current cron job interval
+func (c *CronContext) GetInterval() time.Duration {
+	return c.cronJobInterval
+}
+
 // NewCronJobContext returns a new cron job context
-func NewCronJobContext(cronJobName string) *CronContext {
+func NewCronJobContext(cronJobName string, cronJobInterval time.Duration) *CronContext {
 	return &CronContext{
-		Context:   context.Background(),
-		contextId: generateNewRandomCronContextId(cronJobName),
+		Context:         context.Background(),
+		contextId:       generateNewRandomCronContextId(cronJobName),
+		cronJobInterval: cronJobInterval,
 	}
 }