function createOptions (blockTime: BN, voteLockingPeriod: BN, t: (key: string, options?: { replace: Record<string, unknown> }) => string): { text: string; value: number }[] {
  return [
    { text: t('0.1x voting balance, no lockup period'), value: 0 },
    ...CONVICTIONS.map(([value, duration, durationBn]): { text: string; value: number } => ({
      text: t('{{value}}x voting balance, locked for {{duration}}x duration{{period}}', {