mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
98 lines
3.6 KiB
Solidity
98 lines
3.6 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.6;
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pragma abicoder v2;
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import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
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import "@openzeppelin/contracts/token/ERC721/IERC721Metadata.sol";
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import "@openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol";
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/// @title Callback for IUniswapV3PoolActions#swap
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/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface
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interface IUniswapV3SwapCallback {
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/// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap.
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/// @dev In the implementation you must pay the pool tokens owed for the swap.
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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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/// amount0Delta and amount1Delta can both be 0 if no tokens were swapped.
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/// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by
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/// the end of the swap. If positive, the callback must send that amount of token0 to the pool.
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/// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by
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/// the end of the swap. If positive, the callback must send that amount of token1 to the pool.
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/// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call
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function uniswapV3SwapCallback(
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int256 amount0Delta,
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int256 amount1Delta,
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bytes calldata data
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) external;
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}
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interface ISwapRouter is IUniswapV3SwapCallback {
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struct ExactInputSingleParams {
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address tokenIn;
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address tokenOut;
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uint24 fee;
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address recipient;
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uint256 deadline;
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uint256 amountIn;
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uint256 amountOutMinimum;
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uint160 sqrtPriceLimitX96;
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}
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struct ExactOutputSingleParams {
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address tokenIn;
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address tokenOut;
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uint24 fee;
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address recipient;
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uint256 deadline;
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uint256 amountOut;
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uint256 amountInMaximum;
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uint160 sqrtPriceLimitX96;
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}
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/// @notice Swaps `amountIn` of one token for as much as possible of another token
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/// @param params The parameters necessary for the swap, encoded as `ExactInputSingleParams` in calldata
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/// @return amountOut The amount of the received token
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function exactInputSingle(ExactInputSingleParams calldata params)
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external
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payable
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returns (uint256 amountOut);
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struct ExactInputParams {
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bytes path;
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address recipient;
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uint256 deadline;
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uint256 amountIn;
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uint256 amountOutMinimum;
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}
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/// @notice Swaps `amountIn` of one token for as much as possible of another along the specified path
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/// @param params The parameters necessary for the multi-hop swap, encoded as `ExactInputParams` in calldata
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/// @return amountOut The amount of the received token
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function exactInput(ExactInputParams calldata params)
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external
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payable
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returns (uint256 amountOut);
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/// @notice Swaps as little as possible of one token for `amountOut` of another token
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/// @param params The parameters necessary for the swap, encoded as `ExactOutputSingleParams` in calldata
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/// @return amountIn The amount of the input token
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function exactOutputSingle(ExactOutputSingleParams calldata params)
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external
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payable
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returns (uint256 amountIn);
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struct ExactOutputParams {
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bytes path;
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address recipient;
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uint256 deadline;
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uint256 amountOut;
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uint256 amountInMaximum;
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}
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/// @notice Swaps as little as possible of one token for `amountOut` of another along the specified path (reversed)
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/// @param params The parameters necessary for the multi-hop swap, encoded as `ExactOutputParams` in calldata
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/// @return amountIn The amount of the input token
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function exactOutput(ExactOutputParams calldata params)
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external
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payable
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returns (uint256 amountIn);
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}
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