mirror of
https://github.com/Instadapp/dsa-connectors-2.0.git
synced 2024-07-29 21:57:39 +00:00
116 lines
3.7 KiB
Solidity
116 lines
3.7 KiB
Solidity
//SPDX-License-Identifier: MIT
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pragma solidity ^0.8.2;
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/**
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* @title Fluid Staking.
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* @dev Stake Fluid for earning rewards.
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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 { Basic } from "../../common/basic.sol";
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import { Events } from "./events.sol";
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import { IStakingRewards } from "./interface.sol";
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import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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contract Main is Basic, Events {
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/**
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* @dev Deposit ERC20.
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* @notice Deposit Tokens to staking pool.
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* @param stakingPool staking pool address.
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* @param amt staking token amount.
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* @param getId ID to retrieve amount.
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* @param setId ID stores the amount of staked tokens.
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*/
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function deposit(
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address stakingPool,
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uint amt,
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uint getId,
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uint setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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IStakingRewards stakingContract = IStakingRewards(stakingPool);
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IERC20 stakingTokenContract = stakingContract.stakingToken();
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_amt = _amt == type(uint256).max
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? stakingTokenContract.balanceOf(address(this))
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: _amt;
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approve(TokenInterface(address(stakingTokenContract)), address(stakingContract), _amt);
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stakingContract.stake(_amt);
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setUint(setId, _amt);
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_eventName = "LogDeposit(address,uint256,uint256,uint256)";
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_eventParam = abi.encode(stakingPool, _amt, getId, setId);
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}
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/**
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* @dev Withdraw ERC20.
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* @notice Withdraw Tokens from the staking pool.
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* @param stakingPool staking pool address.
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* @param amt staking token amount.
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* @param getId ID to retrieve amount.
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* @param setIdAmount ID stores the amount of stake tokens withdrawn.
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* @param setIdReward ID stores the amount of reward tokens claimed.
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*/
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function withdraw(
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address stakingPool,
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uint amt,
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uint getId,
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uint setIdAmount,
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uint setIdReward
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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IStakingRewards stakingContract = IStakingRewards(stakingPool);
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IERC20 rewardsToken = stakingContract.rewardsToken();
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_amt = _amt == type(uint256).max
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? stakingContract.balanceOf(address(this))
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: _amt;
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uint intialBal = rewardsToken.balanceOf(address(this));
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stakingContract.withdraw(_amt);
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stakingContract.getReward();
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uint rewardAmt = rewardsToken.balanceOf(address(this)) - intialBal;
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setUint(setIdAmount, _amt);
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setUint(setIdReward, rewardAmt);
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{
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_eventName = "LogWithdrawAndClaimedReward(address,uint256,uint256,uint256,uint256,uint256)";
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_eventParam = abi.encode(stakingPool, _amt, rewardAmt, getId, setIdAmount, setIdReward);
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}
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}
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/**
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* @dev Claim Reward.
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* @notice Claim Pending Rewards of tokens staked.
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* @param stakingPool staking pool address.
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* @param setId ID stores the amount of reward tokens claimed.
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*/
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function claimReward(
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address stakingPool,
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uint setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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IStakingRewards stakingContract = IStakingRewards(stakingPool);
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IERC20 rewardsToken = stakingContract.rewardsToken();
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uint intialBal = rewardsToken.balanceOf(address(this));
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stakingContract.getReward();
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uint finalBal = rewardsToken.balanceOf(address(this));
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uint rewardAmt = finalBal - intialBal;
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setUint(setId, rewardAmt);
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_eventName = "LogClaimedReward(address,address,uint256,uint256)";
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_eventParam = abi.encode(stakingPool, address(rewardsToken), rewardAmt, setId);
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}
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}
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contract ConnectV2StakeFluidPolygon is Main {
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string public constant name = "Stake-Fluid-v1.0";
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} |