mirror of
https://github.com/Instadapp/dsa-connectors.git
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78 lines
2.3 KiB
Solidity
78 lines
2.3 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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/**
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* @title InstaLite Connector
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* @dev Import Position
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*/
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import { TokenInterface } from "../../common/interfaces.sol";
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import { Basic } from "../../common/basic.sol";
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import { Events } from "./events.sol";
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import { IInstaLite } from "./interface.sol";
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import "@openzeppelin/contracts/utils/Address.sol";
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abstract contract InstaLiteConnector is Events, Basic {
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TokenInterface internal constant astethToken =
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TokenInterface(0x1982b2F5814301d4e9a8b0201555376e62F82428);
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TokenInterface internal constant stethToken =
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TokenInterface(0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84);
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address internal constant ethVaultAddr =
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0xc383a3833A87009fD9597F8184979AF5eDFad019;
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/**
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* @dev Supply ETH/ERC20
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* @notice Supply a token into Instalite.
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* @param flashTkn_ Address of flash token.
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* @param flashAmt_ Flash loan amount.
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* @param route_ Flash loan route.
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* @param stEthAmt_ Amount of astEthToken to be imported.
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* @param wethAmt_ Amount of weth borrows to be imported.
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* @param getIds IDs to retrieve amt.
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* @param setIds array of IDs to store the amount of tokens deposited.
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*/
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function importPosition(
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address flashTkn_,
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uint256 flashAmt_,
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uint256 route_,
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uint256 stEthAmt_,
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uint256 wethAmt_,
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uint256[] memory getIds,
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uint256[] memory setIds
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) external returns (string memory eventName_, bytes memory eventParam_) {
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uint256 stEthAmt_ = getUint(getIds[0], stEthAmt_);
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uint256 wethAmt_ = getUint(getIds[1], wethAmt_);
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stEthAmt_ = stEthAmt_ == type(uint256).max
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? astethToken.balanceOf(msg.sender)
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: stEthAmt_;
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astethToken.approve(ethVaultAddr, stEthAmt_);
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bytes memory callData_ = abi.encodeWithSignature(
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"importPosition(address,uint256,uint256,address,uint256,uint256)",
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flashTkn_,
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flashAmt_,
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route_,
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address(this),
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stEthAmt_,
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wethAmt_
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);
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Address.functionDelegateCall(
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address(ethVaultAddr),
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callData_,
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"import-failed"
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);
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setUint(setIds[0], stEthAmt_);
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setUint(setIds[1], wethAmt_);
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eventName_ = "LogImport(address,uint256,uint256,uint256,uint256,uint256[],uint256[])";
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eventParam_ = abi.encode(flashTkn_,flashAmt_,route_,stEthAmt_,wethAmt_,getIds,setIds);
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}
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}
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contract ConnectV2InstaLiteImport is InstaLiteConnector {
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string public constant name = "InstaLite-Import-v1.0";
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}
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