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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.0; | ||
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| import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; | ||
| import "@openzeppelin/contracts/access/Ownable.sol"; | ||
|
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| import "../Interfaces.sol"; | ||
| import "../utils/NameService.sol"; | ||
| import "../utils/DAOUpgradeableContract.sol"; | ||
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| contract OneTimeReward is Ownable, DAOContract { | ||
| bool public isActive; | ||
| uint public rewardAmount; | ||
| mapping(address => bool) public claimed; | ||
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| event RewardClaimed(address indexed user, uint amount); | ||
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| constructor(uint256 _rewardAmount, INameService _nameService) { | ||
| rewardAmount = _rewardAmount; | ||
| isActive = true; | ||
| setDAO(_nameService); | ||
| } | ||
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| function getIdentity() public view returns (IIdentityV2) { | ||
| return IIdentityV2(nameService.getAddress("IDENTITY")); | ||
| } | ||
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| function updateSettings( | ||
| bool _isActive, | ||
| uint _rewardAmount | ||
| ) external onlyOwner { | ||
| isActive = _isActive; | ||
| rewardAmount = _rewardAmount; | ||
| } | ||
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| function checkActiveAndBalance() public view returns (bool) { | ||
| if (!isActive) { | ||
| return false; | ||
| } | ||
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| if (nativeToken().balanceOf(address(this)) < rewardAmount) { | ||
| return false; | ||
| } | ||
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| return true; | ||
| } | ||
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| function checkCanClaimReward(address _user) public view returns (bool) { | ||
| address whitelistedRoot = getIdentity().getWhitelistedRoot(_user); | ||
| return canClaimReward(whitelistedRoot); | ||
| } | ||
|
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| function canClaimReward( | ||
| address whitelistedRoot | ||
| ) internal view returns (bool) { | ||
| if (checkActiveAndBalance() == false) { | ||
| return false; | ||
| } | ||
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| if (whitelistedRoot == address(0)) { | ||
| return false; | ||
| } | ||
|
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| if (claimed[whitelistedRoot]) { | ||
| return false; | ||
| } | ||
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| return true; | ||
| } | ||
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| function claimReward(address _user) public { | ||
| address whitelistedRoot = getIdentity().getWhitelistedRoot(_user); | ||
| require(canClaimReward(whitelistedRoot), "User cannot claim reward"); | ||
| claimed[whitelistedRoot] = true; | ||
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| nativeToken().transfer(_user, rewardAmount); | ||
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| emit RewardClaimed(_user, rewardAmount); | ||
| } | ||
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| function withdrawAll(address _token) external onlyOwner { | ||
| uint balance = IERC20(_token).balanceOf(address(this)); | ||
| require(balance > 0, "No tokens to withdraw"); | ||
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| IERC20(_token).transfer(msg.sender, balance); | ||
| } | ||
| } |
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