19 lines
982 B
Solidity
19 lines
982 B
Solidity
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// SPDX-License-Identifier: GPL-2.0-or-later
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pragma solidity >=0.5.0;
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/// @title Callback for IUniswapV3PoolActions#flash
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/// @notice Any contract that calls IUniswapV3PoolActions#flash must implement this interface
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interface IUniswapV3FlashCallback {
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/// @notice Called to `msg.sender` after transferring to the recipient from IUniswapV3Pool#flash.
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/// @dev In the implementation you must repay the pool the tokens sent by flash plus the computed fee amounts.
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/// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory.
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/// @param fee0 The fee amount in token0 due to the pool by the end of the flash
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/// @param fee1 The fee amount in token1 due to the pool by the end of the flash
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/// @param data Any data passed through by the caller via the IUniswapV3PoolActions#flash call
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function uniswapV3FlashCallback(
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uint256 fee0,
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uint256 fee1,
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bytes calldata data
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) external;
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}
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