53 lines
2.4 KiB
Solidity
53 lines
2.4 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 IEulerToken is IERC20 {
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/**
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* @dev Convert an eToken balance to an underlying amount, taking into account current exchange rate
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* @param balance eToken balance, in internal book-keeping units (18 decimals)
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* @return Amount in underlying units, (same decimals as underlying token)
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*/
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// https://github.com/euler-xyz/euler-contracts/blob/b1ee3265853628d5a529081d7908c38404201b4e/contracts/modules/EToken.sol#L104
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// solhint-disable-previous-line max-line-length
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function convertBalanceToUnderlying(uint256 balance) external view returns (uint256);
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/**
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* @dev Convert an underlying amount to an eToken balance, taking into account current exchange rate
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* @param underlyingAmount Amount in underlying units (same decimals as underlying token)
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* @return eToken balance, in internal book-keeping units (18 decimals)
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*/
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// https://github.com/euler-xyz/euler-contracts/blob/b1ee3265853628d5a529081d7908c38404201b4e/contracts/modules/EToken.sol#L114
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// solhint-disable-previous-line max-line-length
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function convertUnderlyingToBalance(uint256 underlyingAmount) external view returns (uint256);
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/**
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* @dev Transfer underlying tokens from sender to the Euler pool, and increase account's eTokens
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*/
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function deposit(uint256 subAccountId, uint256 amount) external;
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/**
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* @dev Transfer underlying tokens from Euler pool to sender, and decrease account's eTokens
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*/
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function withdraw(uint256 subAccountId, uint256 amount) external;
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/**
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* @dev Address of underlying asset
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*/
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function underlyingAsset() external view returns (address);
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}
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