isAuction()

/**
   * Check if the Collective Portrait is up for auction.
   *
   * @remarks
   * The Collective Portrait is up for auction if the current time is greater than the valid until time + grace period and less than the valid until time + grace period + auction epoch.
   * This function is written such that it can terminate early if it finds a false.
   *
   * @param {CollectivePortraitName | number} identity - The name of the Collective Portrait that the user would like to check if it is up for auction.
   * @returns {boolean} - Whether the Collective Portrait is up for auction.
   * @beta
   * @async
   */
  isAuction(identity: CollectivePortraitName | number): boolean {
    const validUntil = this.getValidUntil(identity);

    const currentBlock = this.portrait.portraitProvider.getBlockNumber();
    const timestamp =
      this.portrait.portraitProvider.getBlock(currentBlock).timestamp;

    return validUntil > timestamp
      ? false
      : this.getAuctionStartTime(identity) > timestamp
      ? false
      : this.getAuctionEndTime(identity) > timestamp
      ? false
      : true;
  }