33 lines
1.4 KiB
Solidity
33 lines
1.4 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 <0.9.0;
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import "../solidity-utils/openzeppelin/IERC20.sol";
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interface IComposableStablePoolRates {
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/**
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* @dev Forces a rate cache hit for a token.
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* It will revert if the requested token does not have an associated rate provider.
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*/
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function updateTokenRateCache(IERC20 token) external;
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/**
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* @dev Sets a new duration for a token rate cache. It reverts if there was no rate provider set initially.
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* Note this function also updates the current cached value.
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* @param duration Number of seconds until the current token rate is fetched again.
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*/
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function setTokenRateCacheDuration(IERC20 token, uint256 duration) external;
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}
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