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https://github.com/Instadapp/dsa-connectors.git
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61 lines
1.7 KiB
Solidity
61 lines
1.7 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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/**
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* @title Paraswap.
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* @dev DEX Aggregator.
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*/
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import { TokenInterface } from "../../common/interfaces.sol";
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import { Stores } from "../../common/stores.sol";
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import { Helpers } from "./helpers.sol";
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abstract contract ParaswapResolver is Helpers {
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/**
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* @dev Sell ETH/ERC20_Token using ParaSwap.
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* @notice Swap tokens from exchanges like kyber, 0x etc, with calculation done off-chain.
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* @param buyAddr The address of the token to buy.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAddr The address of the token to sell.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAmt The amount of the token to sell.
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* @param unitAmt The amount of buyAmt/sellAmt with slippage.
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* @param callData Data from paraswap API.
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* @param setId ID stores the amount of token brought.
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*/
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function swap(
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address buyAddr,
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address sellAddr,
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uint256 sellAmt,
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uint256 unitAmt,
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bytes calldata callData,
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uint256 setId
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)
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external
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payable
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returns (string memory _eventName, bytes memory _eventParam)
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{
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Helpers.SwapData memory swapData = Helpers.SwapData({
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buyToken: TokenInterface(buyAddr),
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sellToken: TokenInterface(sellAddr),
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unitAmt: unitAmt,
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callData: callData,
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_sellAmt: sellAmt,
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_buyAmt: 0
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});
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swapData = _swap(swapData, setId);
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_eventName = "LogSwap(address,address,uint256,uint256,uint256)";
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_eventParam = abi.encode(
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address(swapData.buyToken),
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address(swapData.sellToken),
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swapData._buyAmt,
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swapData._sellAmt,
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setId
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);
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}
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}
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contract ConnectV2ParaswapV5Arbitrum is ParaswapResolver {
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string public name = "Paraswap-v5";
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}
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