SwapperAdapterData

{{
  "language": "Solidity",
  "sources": {
    "src/SwapperAdapterData.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IERC20} from "../lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol";

import {ISwapper} from "./interfaces/ISwapper.sol";

interface ISwapperWithData {
    /// @dev Sells `amountIn` of `input` tokens for `output` tokens.
    /// @param input The address of the input token.
    /// @param output The address of the output token.
    /// @param amountIn The amount of input tokens to sell.
    /// @param data Additional data to pass to the swapper.
    function sell(IERC20 input, IERC20 output, uint256 amountIn, bytes calldata data) external;
}

contract SwapperAdapterData is ISwapperWithData {

    ISwapper swapper;

    constructor(ISwapper _swapper) {
        swapper = _swapper;
    }

    function sell(IERC20 input, IERC20 output, uint256 amountIn, bytes calldata data) external override {
        input.transferFrom(address(msg.sender), address(this), amountIn);
        input.approve(address(swapper), amountIn);
        swapper.sell(input, output, amountIn);
        output.transfer(address(msg.sender), output.balanceOf(address(this)));
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";
"
    },
    "src/interfaces/ISwapper.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";

interface ISwapper {
    /**
     * @notice Sell from tokenFrom to tokenTo, need to approuve first
     * @param amountIn number of token to sell (tokenFrom), 0 means sell all
     */
    function sell(
        IERC20 tokenFrom,
        IERC20 tokenTo,
        uint256 amountIn
    ) external returns (uint256);

    /**
     * @notice Preview from tokenFrom to tokenTo and return the amount you would get
     * @param amountIn number of token to sell (tokenFrom), 0 means sell all
     */
    function previewSell(
        IERC20 tokenFrom,
        IERC20 tokenTo,
        uint256 amountIn
    ) external returns (uint256);
}
"
    },
    "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
    }
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