/**
 * Possible on-chain states of the swap escrow
 *
 * @category Chains
 */
export enum SwapCommitStateType {
    /**
     * The escrow specified by the swap data isn't currently active and the swap data has already expired
     */
    EXPIRED=0,
    /**
     * The escrow specified by the swap data isn't currently active, could've been refunded already
     */
    NOT_COMMITED=1,
    /**
     * The escrow is active on-chain and can be claimed
     */
    COMMITED=2,
    /**
     * The escrow has been finalized and funds claimed by the claimer
     */
    PAID=3,
    /**
     * The escrow is active on-chain and can be refunded by the offerer
     */
    REFUNDABLE=4
}

/**
 * The escrow specified by the swap data isn't currently active, could've been refunded already
 *
 * @category Swaps
 */
export type SwapNotCommitedState = {
    type: SwapCommitStateType.NOT_COMMITED,
    getInitTxId?: () => Promise<string>,
    getRefundTxId?: () => Promise<string>,
    getTxBlock?: () => Promise<{blockHeight: number, blockTime: number}>
};

/**
 * The escrow specified by the swap data isn't currently active and the swap data has already expired
 *
 * @category Swaps
 */
export type SwapExpiredState = {
    type: SwapCommitStateType.EXPIRED,
    getInitTxId?: () => Promise<string>,
    getRefundTxId?: () => Promise<string>,
    getTxBlock?: () => Promise<{blockHeight: number, blockTime: number}>
};

/**
 * The escrow is active on-chain and can be refunded by the offerer
 *
 * @category Swaps
 */
export type SwapRefundableState = {
    type: SwapCommitStateType.REFUNDABLE,
    getInitTxId?: () => Promise<string>
};

/**
 * The escrow is active on-chain and can be claimed
 *
 * @category Swaps
 */
export type SwapCommitedState = {
    type: SwapCommitStateType.COMMITED,
    getInitTxId?: () => Promise<string>
};

/**
 * The escrow has been finalized and funds claimed by the claimer
 *
 * @category Swaps
 */
export type SwapPaidState = {
    type: SwapCommitStateType.PAID,
    getInitTxId?: () => Promise<string>,
    getClaimTxId: () => Promise<string>,
    getClaimResult: () => Promise<string>,
    getTxBlock: () => Promise<{blockHeight: number, blockTime: number}>
};

/**
 * A union type for the state of the escrow
 *
 * @category Swaps
 */
export type SwapCommitState = SwapNotCommitedState |
    SwapExpiredState |
    SwapRefundableState |
    SwapCommitedState |
    SwapPaidState;