50 lines
2.3 KiB
Solidity
50 lines
2.3 KiB
Solidity
// SPDX-License-Identifier: GPL-3.0-or-later
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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pragma solidity ^0.7.0;
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import "../solidity-utils/openzeppelin/IERC20.sol";
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interface IYearnTokenVault is IERC20 {
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/**
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* @dev returns the address of the vault's underlying asset (mainToken)
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*/
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function token() external view returns (address);
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/**
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* @dev returns the price for a single Vault share (ie yvDAI). The pricePerShare is represented
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* in the same decimals as the underlying asset (ie: 6 decimals for USDC)
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*/
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function pricePerShare() external view returns (uint256);
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/**
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* @notice Deposits `_amount` `token`, issuing shares to `recipient`.
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* If the Vault is in Emergency Shutdown, deposits will not be accepted and this call will fail.
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* @param _amount The quantity of tokens to deposit, defaults to all.
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* @param recipient The address to issue the shares in this Vault to. Defaults to the caller's address.
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* @return The issued Vault shares.
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*/
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function deposit(uint256 _amount, address recipient) external returns (uint256);
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/**
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* @notice Withdraws the calling account's tokens from this Vault,
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* redeeming amount `_shares` for an appropriate amount of tokens.
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* See note on `setWithdrawalQueue` for further details of withdrawal ordering and behavior.
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* @param maxShares How many shares to try and redeem for tokens, defaults to all.
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* @param recipient The address to issue the shares in this Vault to. Defaults to the caller's address.
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* @return redeemed: The quantity of tokens redeemed for `_shares`.
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*/
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function withdraw(uint256 maxShares, address recipient) external returns (uint256);
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}
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