mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
91 lines
2.4 KiB
Solidity
91 lines
2.4 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 Supply and Withdraw
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*/
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import { TokenInterface } from "../../common/interfaces.sol";
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import { DSMath } from "../../common/math.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 { Helpers } from "./helpers.sol";
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abstract contract InstaLiteConnector is Events, Basic, Helpers {
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/**
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* @dev Supply
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* @notice Supply eth/weth/stEth tokens into instalite.
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* @param token The address of token to be supplied.
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* @param amt The amount of token to be supplied.
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* @param to The address of the account on behalf of you want to supplied.
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of token deposited.
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*/
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function supply(
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address token,
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uint256 amt,
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address to,
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uint256 getId,
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uint256 setId
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)
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public
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payable
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returns (string memory _eventName, bytes memory _eventParam)
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{
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uint256 _amt = getUint(getId, amt);
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bool isEth = token == ethAddr;
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uint256 vTokenAmt;
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if (isEth) {
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_amt = _amt == uint256(-1) ? address(this).balance : _amt;
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vTokenAmt = instaLite.supplyEth{ value: amt }(to);
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} else {
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TokenInterface tokenContract = TokenInterface(token);
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_amt = _amt == uint256(-1)
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? tokenContract.balanceOf(address(this))
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: _amt;
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approve(tokenContract, address(instaLite), _amt);
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vTokenAmt = instaLite.supply(token, _amt, to);
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}
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setUint(setId, _amt);
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_eventName = "LogSupply(address,uint256,uint256,address,uint256,uint256)";
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_eventParam = abi.encode(token, vTokenAmt, _amt, to, getId, setId);
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}
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/**
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* @dev Withdraw
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* @notice Withdraw eth/stEth tokens from instalite contract.
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* @param amt The amount of the token to withdraw.
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* @param to The address of the account on behalf of you want to withdraw.
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of token withdrawn.
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*/
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function withdraw(
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uint256 amt,
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address to,
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uint256 getId,
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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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uint256 _amt = getUint(getId, amt);
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unit256 vTokenAmt = instaLite.withdraw(_amt, to);
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setUint(setId, _amt);
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_eventName = "LogWithdraw(uint256,uint256,address,uint256,uint256)";
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_eventParam = abi.encode(_amt, vTokenAmt, to, getId, setId);
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}
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}
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contract ConnectV2InstaLiteVault1 is Resolver {
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string public constant name = "instaLite-v1";
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}
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