ERC-7425: 代币化储备金

// SPDX-License-Identifier: CC0-1.0

import "./ERC4626.sol";
    
interface TokenReserve is ERC4626{

	/**
	* @dev Event emitted after a new policy is created
	* @dev 创建新策略后发出的事件
	*/
	event policies(
	    	address indexed token,
	    	uint256 indexed policyNum,
	    	uint256 indexed amount,
		address recipient
	);

	/**
	* @dev Event emitted after a new deposit is made by the owner
	* @dev 所有者进行新的存款后发出的事件
	*/
	event depositR(
		address indexed token,
	    	uint256 indexed amount,
	    	uint256 indexed time,
	    	uint256 count
	);

	/** 
	* @dev Get time a deposit/withdrawal was made by the owner
	* @dev 获取所有者进行存款/取款的时间
	* @param count Number for deposit count
	* @param count 存款计数的数字
	* @return block.timestamp format
	* @return block.timestamp 格式
	*/
	function ownerTime(uint256 count) external view returns (uint256)

	/** 
	* @dev Get amount deposited to reserve by owner
	* @dev 获取所有者存入储备金的金额
	* @param count Number for deposit count
	* @param count 存款计数的数字
	* @param policy The policy number to deposit to
	* @param policy 要存入的策略编号
	* @return uint256 Amount of an asset that was deposited
	* @return uint256 存入的资产数量
	*/
	function ownerDeposit(uint256 count, uint256 policy) external view returns(uint256)

	/**
	* @dev Amount withdrawn for a opened policy by the owner
	* @dev 所有者为已开启的策略提取的金额
	* @param policy The policy number
	* @param policy 策略编号
	* @return Amount of ERC20
	* @return ERC20 的数量
	*/
	function ownerWithdrawals(uint256 policy) external view returns(uint256)

	/**
	* @dev Token type deposited to reserve by owner
	* @dev 所有者存入储备金的代币类型
	* - MUST be an address of ERC20 token
	* - 必须是 ERC20 代币的地址
	* @param count Number of deposit count
	* @param count 存款计数的数字
	* @return address Address of ERC20 token
	* @return address ERC20 代币的地址
	*/
	function tokenDeposit(uint256 count) external view returns(address)

	/**
	* @dev Amount deposited to a policy for shares
	* @dev 存入策略以换取份额的金额
	* - MUST be an ERC20 token
	* - 必须是 ERC20 代币
	* @param user Address of user
	* @param user 用户的地址
	* @param policy The policy number the user deposited to
	* @param policy 用户存入的策略编号
	* @return uint256 Amount of ERC20 deposited
	* @return uint256 存入的 ERC20 数量
	*/
	function userDeposit(address user, uint256 policy) external view returns(uint256)

	/**
    	* @dev Amount withdrawn from a policy by the user
	* @dev 用户从策略中提取的金额
	* @param user The address of user
	* @param user 用户的地址
    	* @param policy The policy number for user withdrawal
	* @param policy 用户提款的策略编号
	* @param uint256 Amount of ERC20
	* @param uint256 ERC20 的数量
    	*/
    	function userWithdrawals(address user, uint256 policy) public view returns(uint256)

	/**
	* @dev Token type withdrawn for an opened policy by the owner
	* @dev 所有者为已开启的策略提取的代币类型
	* - MUST be ERC20 address
	* - 必须是 ERC20 地址
	* @param policy The policy number for the token used
	* @param policy 所用代币的策略编号
	* @return Token ERC20 address
	* @return Token ERC20 地址
	*/
	function policyToken(uint256 policy) external view returns(address)

	/**
	* @dev Make a deposit to a policy creating new shares using deposit function from ERC4626
	* @dev 使用 ERC4626 中的存款功能，存款到策略以创建新的份额
	* - MUST be opened policy
	* - 必须是已开启的策略
	* - MUST NOT be opened policy that was closed
	* - 不得是已关闭的已开启策略
	* - SHOULD be only method to deposit to ERC4626 vault
	* - 应该是存入 ERC4626 金库的唯一方法
	* NOTE: using the deposit() will cause assets to not be accounted for in a policy (see Security Considerations section)
	* 注意：使用 deposit() 将导致资产无法在策略中进行核算（请参阅“安全注意事项”部分）
	* @param assets Amount being deposited
	* @param assets 存入的金额
	* @param receiver Address of depositor
	* @param receiver 存款人的地址
	* @param policy The number associated policy
	* @param policy 与策略关联的编号
	* @return Amount of shares minted 
	* @return 铸造的份额数量
	*/
	function policyDeposit(uint256 assets, address receiver, uint256 policy) external virtual returns(uint256)

	/**
	* @dev Burn shares, receive 1 to 1 value of shares using withdraw function from ERC4626
	* @dev 销毁份额，使用 ERC4626 中的提款功能接收 1 比 1 的份额价值
	* - MUST have userDeposit greater than or equal to userWithdrawal
	* - 必须有 userDeposit 大于或等于 userWithdrawal
	* - SHOULD be only method for withdrawing from ERC4626 vault
	* - 应该是从 ERC4626 金库提款的唯一方法
	* @param assets Amount being deposited
	* @param assets 存入的金额
	* @param receiver Address of receiver
	* @param receiver 接收者的地址
	* @param owner Address of token owner
	* @param owner 代币所有者的地址
	* @param policy Number associated policy
	* @param policy 与策略关联的编号
	* @return Amount of the asset
	* @return 资产数量
	*/
	function withdrawPolicy(uint256 assets, address receiver, address owner, uint256 policy)external virtual returns(uint256)

	/**
	* @dev Issue new policy
	* @dev 发布新策略
	* - MUST create new policy number
	* - 必须创建新的策略编号
	* - MUST account for amount withdrawn
	* - 必须核算提款金额
	* - MUST be only method to withdraw ERC20 tokens (excluding underlying ERC4626 token)
	* - 必须是提取 ERC20 代币的唯一方法（不包括 underlying ERC4626 代币）
	* - MUST be owner
	* - 必须是所有者
	* - SHOULD emit policies event
	* - 应该发出策略事件
	* @param token Address of ERC-20 token
	* @param token ERC-20 代币的地址
	* @param amount Token amount being withdrawn
	* @param amount 提取的代币数量
	* @param receiver Address of token recipient
	* @param receiver 代币接收者的地址
	* @return The policy number
	* @return 策略编号
	*/
	function openPolicy(address token, uint256 amount, address receiver) external virtual returns (uint256)

	/**
	* @dev Make a deposit and/or close an opened policy
	* @dev 存款和/或关闭已开启的策略
	* - MUST be owner
	* - 必须是所有者
	* - MUST account for amount received
	* - 必须核算收到的金额
	* - SHOULD emit policies event
	* - 应该发出策略事件
	* @param token Address of ERC-20 token
	* @param token ERC-20 代币的地址
	* @param policy Number of the desired policy
	* @param policy 所需策略的编号
	* @param amount Token amount being deposited to the reserve
	* @param amount 存入储备金的代币数量
	* @param close Choose to close the policy
	* @param close 选择关闭策略
	* @return True for closed policy 
	* @return 如果策略已关闭，则为 True
	*/
	function closePolicy(address token, uint256 policy, uint256 amount, bool close) external virtual returns (bool)

	/**
	* @dev Accounting for tokens deposited by owner
	* @dev 核算所有者存入的代币
	* - MUST be reserve owner
	* - 必须是储备金所有者
	* - SHOULD emit depositR event
	* - 应该发出 depositR 事件
	* NOTE: No shares are issued, funds can not be redeemed and no policy is opened. Withdrawnal made with openPolicy function.
	* 注意：不发行份额，资金无法赎回，并且不开启策略。使用 openPolicy 函数进行提款。
	* @param token Address of ERC-20 token being deposited
	* @param token 存入的 ERC-20 代币的地址
	* @param sender Address of token sender
	* @param sender 代币发送者的地址
	* @param amount Token amount being deposited 
	* @param amount 存入的代币数量
	*/
	function depositReserve(address token, address sender, uint256 amount) external virtual
}