pseudo_code_interfaces.ts

// Pseudo code interfaces for DeFi options adapters in TypeScript

function fetchExpiryDates(): string[] {
    /**
     * Fetch the expiry dates for options available.
     * 
     * Returns:
     * string[]: A list of expiry dates.
     */
    return [];
}

function listStrikePricesByExpiry(expiryDate: string): number[] {
    /**
     * List the strike prices for options available for a given expiry date.
     * 
     * Parameters:
     * expiryDate (string): The expiry date for which to list strike prices.
     * 
     * Returns:
     * number[]: A list of strike prices.
     */
    return [];
}

function getLongOptionPremium(strikePrice: number, expiryDate: string): number {
    /**
     * Get the premium for a long option for a given strike price and expiry date.
     * 
     * Parameters:
     * strikePrice (number): The strike price of the option.
     * expiryDate (string): The expiry date of the option.
     * 
     * Returns:
     * number: The premium for the long option.
     */
    return 0;
}


function getShortOptionPremium(strikePrice: number, expiryDate: string): number {
    /**
     * Get the premium for a short option for a given strike price and expiry date.
     * 
     * Parameters:
     * strikePrice (number): The strike price of the option.
     * expiryDate (string): The expiry date of the option.
     * 
     * Returns:
     * number: The premium for the short option.
     */
    return 0;
}

function buyOptionContract(strikePrice: number, expiryDate: string, amount: number): object {
    /**
     * Buy an option contract for a given strike price, expiry date, and amount.
     * 
     * Parameters:
     * strikePrice (number): The strike price of the option.
     * expiryDate (string): The expiry date of the option.
     * amount (number): The amount of the option to buy.
     * 
     * Returns:
     * object: An object containing the details of the purchased option contract.
     */
    return {};
}

function addOptionToPosition(optionContract: object): object {
    /**
     * Add an option contract to an existing position.
     * 
     * Parameters:
     * optionContract (object): The option contract to add to the position.
     * 
     * Returns:
     * object: An object containing the updated position details.
     */
    return {};
}

function exerciseOptionContract(optionContract: object): object {
    /**
     * Exercise an option contract.
     * 
     * Parameters:
     * optionContract (object): The option contract to exercise.
     * 
     * Returns:
     * object: An object containing the details of the exercised option contract.
     */
    return {};
}

function sellOptionBackToIssuer(optionContract: object): object {
    /**
     * Sell an option contract back to the issuer.
     * 
     * Parameters:
     * optionContract (object): The option contract to sell back to the issuer.
     * 
     * Returns:
     * object: An object containing the details of the sold option contract.
     */
    return {};
}

function transferOptionOwnership(optionContract: object, newOwner: string): object {
    /**
     * Transfer the ownership of an option contract to a new owner.
     * 
     * Parameters:
     * optionContract (object): The option contract to transfer.
     * newOwner (string): The new owner of the option contract.
     * 
     * Returns:
     * object: An object containing the details of the transferred option contract.
     */
    return {};
}