mirror of
https://github.com/Instadapp/dsa-connectors.git
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79 lines
2.0 KiB
Solidity
79 lines
2.0 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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/**
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* @title Swap.
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* @dev Swap integration for DEX Aggregators.
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*/
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// import files
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import { SwapHelpers } from "./helpers.sol";
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import { Events } from "./events.sol";
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abstract contract Swap is SwapHelpers, Events {
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/**
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* @dev Swap ETH/ERC20_Token using dex aggregators.
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* @notice Swap tokens from exchanges like 1INCH, 0x etc, with calculation done off-chain.
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* @param _connectors The name of the connectors like 1INCH-A, 0x etc, in order of their priority.
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* @param buyAddr The address of the token to buy.(For MATIC: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAddr The address of the token to sell.(For MATIC: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAmt The amount of the token to sell.
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* @param unitAmts The amount of buyAmt/sellAmt with slippage for respective DEXs.
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* @param callDatas Data from APIs for respective DEXs.
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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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string[] memory _connectors,
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address buyAddr,
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address sellAddr,
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uint256 sellAmt,
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uint256[] memory unitAmts,
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bytes[] calldata callDatas,
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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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InputData memory inputData = InputData({
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buyAddr: buyAddr,
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sellAddr: sellAddr,
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sellAmt: sellAmt,
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unitAmts: unitAmts,
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callDatas: callDatas,
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setId: setId
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});
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(
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bool success,
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bytes memory returnData,
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string memory _connector
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) = _swap(_connectors, inputData);
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uint256 _buyAmt;
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uint256 _sellAmt;
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if (!success) {
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revert("swap-failed");
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} else {
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(_buyAmt, _sellAmt) = decodeEvents(_connector, returnData);
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}
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_eventName = "LogSwap(string,address,address,uint256,uint256,uint256,uint256)";
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_eventParam = abi.encode(
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_connector,
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buyAddr,
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sellAddr,
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_buyAmt,
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_sellAmt,
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0,
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setId
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);
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}
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}
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contract ConnectV2SwapAggregatorAvalanche is Swap {
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string public name = "Swap-Aggregator-v1";
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}
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