fix repeated request error when submitting import transaction again after the first submission failed

pkg/api/base.go

@@ -113,13 +113,20 @@ func (a *ApiUsingDuplicateChecker) GetSubmissionRemark(checkerType duplicatechec
 	return a.container.GetSubmissionRemark(checkerType, uid, identification)
 }
 
-// SetSubmissionRemarkIfEnable saves the identification and remark to in-memory cache by the current duplicate checker if the duplicate submission check is enabled
+// SetSubmissionRemarkIfEnable saves the identification and remark by the current duplicate checker if the duplicate submission check is enabled
 func (a *ApiUsingDuplicateChecker) SetSubmissionRemarkIfEnable(checkerType duplicatechecker.DuplicateCheckerType, uid int64, identification string, remark string) {
 	if a.CurrentConfig().EnableDuplicateSubmissionsCheck {
 		a.container.SetSubmissionRemark(checkerType, uid, identification, remark)
 	}
 }
 
+// RemoveSubmissionRemarkIfEnable removes the identification and remark by the current duplicate checker if the duplicate submission check is enabled
+func (a *ApiUsingDuplicateChecker) RemoveSubmissionRemarkIfEnable(checkerType duplicatechecker.DuplicateCheckerType, uid int64, identification string) {
+	if a.CurrentConfig().EnableDuplicateSubmissionsCheck {
+		a.container.RemoveSubmissionRemark(checkerType, uid, identification)
+	}
+}
+
 // CheckFailureCount returns whether the failure count of the specified IP and user has reached the limit and increases the failure count
 func (a *ApiUsingDuplicateChecker) CheckFailureCount(c *core.WebContext, uid int64) error {
 	if a.CurrentConfig().MaxFailuresPerIpPerMinute > 0 {

pkg/api/transactions.go

@@ -1439,6 +1439,7 @@ func (a *TransactionsApi) TransactionImportHandler(c *core.WebContext) (any, *er
 	count := len(newTransactions)
 
 	if err != nil {
+		a.RemoveSubmissionRemarkIfEnable(duplicatechecker.DUPLICATE_CHECKER_TYPE_IMPORT_TRANSACTIONS, uid, transactionImportReq.ClientSessionId)
 		log.Errorf(c, "[transactions.TransactionImportHandler] failed to import %d transactions for user \"uid:%d\", because %s", count, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}