import {ReadOnlyContracts} from '../../contracts';
import {Currency, ERC20, MonetaryAmount} from '../../monetary';
import {Option} from '../../types';
export interface OptionsReadOnlyActions {
  /**
   * Lists all the options currently available
   */
  list(): Promise<Array<Option<Currency, ERC20>>>;
  /**
   * Returns the total liquidity for the given option
   *
   * @param option Options for which to get liquidity
   */
  getLiquidity<Underlying extends Currency, Collateral extends ERC20>(
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Underlying>>;
  /**
   * Returns the current supply of `option` collateral for `user`
   *
   * @param user User for whom to get the supply
   * @param option Option for which to get collateral supply
   */
  getUserSupply<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  /**
   * Returns the total amount of `option` written by `user`
   *
   * @param user Users for whom to get the amount written
   * @param option Option for which to get amount written
   */
  getUserWritten<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  /**
   * Returns the total amount of `option` currently held by `user`
   *
   * @param user The user whose balance to check
   * @param option Option for which to check balance
   * @returns The user's balance of option tokens
   */
  getUserBalance<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  /**
   * Gets the net position of the user (negative for obligations -
   * short position; positive for put options - long position)
   * @param user User whose position to calculate
   * @param option Option whose pair's position to check
   * @returns Net position, equal to (options held - obligations held)
   */
  getUserPosition<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  /**
   * Returns the premium for `option` in unit of collateral when writing `amount` of underlying
   *
   * @param option the option for which to compute premium
   * @param amount amount of underlying tokens
   * @returns the approximate premium that the user will receive
   */
  estimatePremium<Collateral extends ERC20>(
    option: Option<Currency, Collateral>,
    amount: MonetaryAmount<Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  /**
   * Returns the amount of collateral necessary for a uniswap swap
   * for the given option.
   *
   * @param option Option whose pool to check
   * @param amount Amount of option desired to be bought
   * @returns Amount of collateral currently necessary to perform the swap
   */
  estimatePoolBuyPrice<Collateral extends ERC20>(
    option: Option<Currency, Collateral>,
    amount: MonetaryAmount<Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  /**
   * Returns the amount of collateral that will be obtained from
   * a uniswap swap with the given option.
   *
   * @param option Option whose pool to check
   * @param amount Amount of option desired to be sold
   * @returns Amount of collateral currently obtainable from such a swap
   */
  estimatePoolSellPrice<Collateral extends ERC20>(
    option: Option<Currency, Collateral>,
    amount: MonetaryAmount<Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
}
export declare class ContractsOptionsReadOnlyActions
  implements OptionsReadOnlyActions {
  private roContracts;
  constructor(roContracts: ReadOnlyContracts);
  fetchTokenNames(addresses: Array<string>): Promise<Record<string, string>>;
  list(): Promise<Array<Option<Currency, ERC20>>>;
  getLiquidity<Underlying extends Currency, Collateral extends ERC20>(
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Underlying>>;
  getUserSupply<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  getUserWritten<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  getUserBalance<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  getUserPosition<Underlying extends Currency, Collateral extends ERC20>(
    user: string,
    option: Option<Underlying, Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  estimatePremium<Collateral extends ERC20>(
    option: Option<Currency, Collateral>,
    amount: MonetaryAmount<Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  estimatePoolBuyPrice<Underlying extends Currency, Collateral extends ERC20>(
    option: Option<Underlying, Collateral>,
    amount: MonetaryAmount<Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
  estimatePoolSellPrice<Underlying extends Currency, Collateral extends ERC20>(
    option: Option<Underlying, Collateral>,
    amount: MonetaryAmount<Collateral>
  ): Promise<MonetaryAmount<Collateral>>;
}