pub const PREFIX: &str = "auction_house";
pub const FEE_PAYER: &str = "fee_payer";
pub const TREASURY: &str = "treasury";
pub const SIGNER: &str = "signer";
pub const PURCHASE_RECEIPT_PREFIX: &str = "purchase_receipt";
pub const BID_RECEIPT_PREFIX: &str = "bid_receipt";
pub const LISTING_RECEIPT_PREFIX: &str = "listing_receipt";