fix: improved PSD selection and findURL in market (#419)

* better PSD selection and findURL

* refactor psd creation

tasks/storage-market/storage_market.go

@@ -267,7 +267,7 @@ func (d *CurioStorageDealMarket) processMK12Deals(ctx context.Context) {
 
 	// Add PSD task - PSD is an exception which is processed for multiple deals at once to save
 	// gas cost for PSD messages
-	err = d.addPSDTask(ctx, deals)
+	err = d.addPSDTask(ctx)
 	if err != nil {
 		log.Errorf("%w", err)
 	}
@@ -511,7 +511,9 @@ func (d *CurioStorageDealMarket) findURLForOfflineDeals(ctx context.Context, dea
 			req.Header = headers
 
 			// Create a client and make the request
-			client := &http.Client{}
+			client := &http.Client{
+				Timeout: 10 * time.Second,
+			}
 			resp, err := client.Do(req)
 			if err != nil {
 				return false, xerrors.Errorf("error making GET request: %w", err)
@@ -559,66 +561,59 @@ func (d *CurioStorageDealMarket) findURLForOfflineDeals(ctx context.Context, dea
 	return nil
 }
 
-func (d *CurioStorageDealMarket) addPSDTask(ctx context.Context, deals []MK12Pipeline) error {
-	type queue struct {
-		deals []string
-		t     time.Time
+func (d *CurioStorageDealMarket) addPSDTask(ctx context.Context) error {
+	publishPeriod := time.Duration(d.cfg.Market.StorageMarketConfig.MK12.PublishMsgPeriod)
+	maxDeals := d.cfg.Market.StorageMarketConfig.MK12.MaxDealsPerPublishMsg
+
+	var eligibleSpIDs []struct {
+		SpID             int64     `db:"sp_id"`
+		EarliestWaitTime time.Time `db:"earliest_wait_time"`
 	}
 
-	dm := make(map[int64]queue)
+	err := d.db.Select(ctx, &eligibleSpIDs, `SELECT sp_id, MIN(psd_wait_time) AS earliest_wait_time
+									FROM market_mk12_deal_pipeline
+									WHERE started = TRUE
+									  AND after_commp = TRUE
+									  AND psd_task_id IS NULL
+									  AND after_psd = FALSE
+									GROUP BY sp_id;`)
+	if err != nil {
+		return xerrors.Errorf("getting eligible SPs for psd tasks: %w", err)
+	}
 
-	for _, deal := range deals {
-		if deal.Started && deal.AfterCommp && deal.PSDWaitTime != nil && !deal.AfterPSD && deal.PSDTaskID == nil {
-			// Check if the spID is already in the map
-			if q, exists := dm[deal.SpID]; exists {
-				// Append the UUID to the deals list
-				q.deals = append(q.deals, deal.UUID)
-
-				// Update the time if the current deal's time is older
-				if deal.PSDWaitTime.Before(q.t) {
-					q.t = *deal.PSDWaitTime
-				}
+	if len(eligibleSpIDs) == 0 {
+		return nil
+	}
 
-				// Update the map with the new queue
-				dm[deal.SpID] = q
-			} else {
-				// Add a new entry to the map if spID is not present
-				dm[deal.SpID] = queue{
-					deals: []string{deal.UUID},
-					t:     *deal.PSDWaitTime,
-				}
+	for _, sp := range eligibleSpIDs {
+		if sp.EarliestWaitTime.Add(publishPeriod).Before(time.Now()) {
+			continue
+		}
+		d.adders[pollerPSD].Val(ctx)(func(id harmonytask.TaskID, tx *harmonydb.Tx) (shouldCommit bool, err error) {
+			n, err := tx.Exec(`WITH deals_to_update AS (
+										-- Select only deals that have not been assigned yet
+										SELECT uuid
+										FROM market_mk12_deal_pipeline
+										WHERE sp_id = $1
+										  AND started = TRUE
+										  AND after_commp = TRUE
+										  AND psd_task_id IS NULL  -- Ensures only unassigned deals are selected
+										  AND after_psd = FALSE
+										ORDER BY psd_wait_time ASC
+										LIMIT $2  -- Limit by maxDeals
+									)
+									UPDATE market_mk12_deal_pipeline
+									SET psd_task_id = $3
+									WHERE uuid IN (SELECT uuid FROM deals_to_update)
+									AND psd_task_id IS NULL;  -- Ensures no overwrite in case another node updated
+									`, sp.SpID, maxDeals, id)
+			if err != nil {
+				return false, xerrors.Errorf("creating psd task: %w", err)
 			}
-		}
+			return n > 0, nil
+		})
 	}
 
-	publishPeriod := d.cfg.Market.StorageMarketConfig.MK12.PublishMsgPeriod
-	maxDeals := d.cfg.Market.StorageMarketConfig.MK12.MaxDealsPerPublishMsg
-
-	for _, q := range dm {
-		if q.t.Add(time.Duration(publishPeriod)).Before(time.Now()) || uint64(len(q.deals)) > maxDeals {
-			d.adders[pollerPSD].Val(ctx)(func(id harmonytask.TaskID, tx *harmonydb.Tx) (shouldCommit bool, err error) {
-				// update
-				var n int
-				for _, deal := range q.deals {
-					u, err := tx.Exec(`UPDATE market_mk12_deal_pipeline SET psd_task_id = $1 
-								 WHERE uuid = $2 AND started = TRUE AND after_commp = TRUE 
-								   AND psd_task_id IS NULL`, id, deal)
-					if err != nil {
-						return false, xerrors.Errorf("updating deal pipeline: %w", err)
-					}
-					n += u
-				}
-
-				if n > 0 {
-					log.Infof("PSD task created for %d deals %s", n, q.deals)
-				}
-
-				return n > 0, nil
-			})
-		} else {
-			log.Infow("PSD task not created as the time is not yet reached", "time", q.t.Add(time.Duration(publishPeriod)), "deals", q.deals)
-		}
-	}
 	return nil
 }