// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6 <0.9;

library CollateralReservationInfo {
    enum Status {
        ACTIVE, // the minting process hasn't finished yet
        SUCCESSFUL, // the payment has been confirmed and the FAssets minted
        DEFAULTED, // the payment has defaulted and the agent received the collateral reservation fee
        EXPIRED // the confirmation time has expired and the agent called unstickMinting
    }

    struct Data {
        // The id used for executing or defaulting the minting.
        uint64 collateralReservationId;
        // The agent vault whose collateral is reserved.
        address agentVault;
        // The minter address - the address that will receive the minted FAssets.
        address minter;
        // The agent's underlying address to which the underlying assets should be paid by the minter.
        string paymentAddress;
        // Payment reference that must be part of the agent's redemption payment.
        bytes32 paymentReference;
        // The amount of FAssets that the minter will receive. Always a whole number of lots.
        uint256 valueUBA;
        // The underlying fee. The total amount the minter has to deposit is `valueUBA + mintingFeeUBA`.
        // Part of the fee is minted as pool fee share and the rest becomes agent's free underlying.
        uint128 mintingFeeUBA;
        // The fee that was paid at the collateral reservation time.
        // Part of the fee is goes to the pool and the rest to the agent vault as WNAT.
        uint128 reservationFeeNatWei;
        // Proportion of the mintingFeeUBA and reservationFeeNatWei that belongs to the collateral pool.
        uint16 poolFeeShareBIPS;
        // The underlying block (approximate - as known by the asset manager) when the reservation occurred.
        uint64 firstUnderlyingBlock;
        // The last underlying block and timestamp for redemption payment. Redemption is defaulted if
        // there is no payment by the time BOTH lastUnderlyingBlock and lastUnderlyingTimestamp have passed.
        uint64 lastUnderlyingBlock;
        uint64 lastUnderlyingTimestamp;
        // The executor, optionally assigned by the minter to execute the minting.
        // (Only minter, agent or executor may execute the minting.)
        address executor;
        // The fee in NAT that the executor receives if they successfully execute the minting.
        uint256 executorFeeNatWei;
        // If the minting process has finished, indication of success/default. Otherwise ACTIVE.
        CollateralReservationInfo.Status status;
    }
}