ISwapFacility.sol

// SPDX-License-Identifier: BUSL-1.1
/*
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*/

pragma solidity 0.8.23;

import {IWhitelist} from "../interfaces/IWhitelist.sol";

interface ISwapFacility {
    // =================== Functions ===================

    /// @notice Get Underlying token
    function underlyingToken() external view returns (address);

    /// @notice Get Billy token
    function billyToken() external view returns (address);

    /// @notice Get Price oracle for underlying token
    function underlyingTokenOracle() external view returns (address);

    /// @notice Get Price oracle for billy token
    function billyTokenOracle() external view returns (address);

    /// @notice Get Whitelist contract
    function whitelist() external view returns (IWhitelist);

    /// @notice Get Spread price
    function spread() external view returns (uint256);

    /// @notice Get Pool address
    function pool() external view returns (address);

    /// @notice swap tokens Underlying <-> Billy
    function swap(address inToken, address outToken, uint256 inAmount, bytes32[] calldata proof) external;
}