Fix marshaling, force tick on start

cmd/ursrv/main.go

@@ -304,7 +304,7 @@ const maxCacheTime = 15 * time.Minute
 func cacheRefresher(db *sql.DB) {
 	ticker := time.NewTicker(maxCacheTime - time.Minute)
 	defer ticker.Stop()
-	for range ticker.C {
+	for ; true; <-ticker.C {
 		cacheMut.Lock()
 		if err := refreshCacheLocked(db); err != nil {
 			log.Println(err)

lib/ur/contract/contract.go

@@ -42,7 +42,7 @@ func (p *IntMap) Scan(src interface{}) error {
 
 type Report struct {
 	// Generated
-	Received time.Time // Only from DB
+	Received time.Time `json:"-"` // Only from DB
 	Date     string    `json:"date,omitempty"`
 	Address  string    `json:"address,omitempty"`
 
@@ -410,7 +410,9 @@ func (r *Report) FieldNames() []string {
 }
 
 func (r Report) Value() (driver.Value, error) {
-	return json.Marshal(r)
+	// This needs to be string, yet we read back bytes..
+	bs, err := json.Marshal(r)
+	return string(bs), err
 }
 
 func (r *Report) Scan(value interface{}) error {