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836 B · 44 lines
Go
at master
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func (d *DB) AddDid(did string) error { _, err := d.db.Exec(`insert or ignore into known_dids (did) values (?)`, did) return err}
func (d *DB) RemoveDid(did string) error { _, err := d.db.Exec(`delete from known_dids where did = ?`, did) return err}
func (d *DB) GetAllDids() ([]string, error) { var dids []string
rows, err := d.db.Query(`select did from known_dids`) if err != nil { return nil, err } defer rows.Close()
for rows.Next() { var did string if err := rows.Scan(&did); err != nil { return nil, err } dids = append(dids, did) }
if err := rows.Err(); err != nil { return nil, err }
return dids, nil}
func (d *DB) HasKnownDids() bool { var count int err := d.db.QueryRow(`select count(*) from known_dids`).Scan(&count) if err != nil { return false } return count > 0}