modify error message when transaction not found in numbered pool

Signed-off-by: Harshit Gangal <[email protected]>

go/pools/numbered.go

@@ -108,7 +108,7 @@ func (nu *Numbered) Get(id int64, purpose string) (val any, err error) {
 		if unreg, ok := nu.recentlyUnregistered.Get(fmt.Sprintf("%v", id)); ok {
 			return nil, fmt.Errorf("ended at %v (%v)", unreg.timeUnregistered.Format("2006-01-02 15:04:05.000 MST"), unreg.reason)
 		}
-		return nil, fmt.Errorf("not found")
+		return nil, fmt.Errorf("not found (potential transaction timeout)")
 	}
 	if nw.inUse {
 		return nil, fmt.Errorf("in use: %s", nw.purpose)

go/pools/numbered_test.go

@@ -45,7 +45,7 @@ func TestNumberedGeneral(t *testing.T) {
 
 	p.Put(id)
 	_, err = p.Get(1, "test2")
-	assert.Contains(t, "not found", err.Error())
+	assert.ErrorContains(t, err, "not found (potential transaction timeout)")
 	p.Unregister(1, "test") // Should not fail
 	p.Unregister(0, "test")
 	// p is now empty