Armor.fi

1pragma solidity ^0.6.6;
2​
3import '../general/Ownable.sol';
4import '../libraries/SafeERC20.sol';
5import '../interfaces/IWNXM.sol';
6import '../interfaces/IERC20.sol';
7import '../interfaces/INexusMutual.sol';
8import '../interfaces/IRewardManager.sol';
9import '../interfaces/IShieldMining.sol';
10/**
11 * @title arNXM Vault
12 * @dev Vault to stake wNXM or NXM in Nexus Mutual while maintaining your liquidity.
13 *      This is V2 which replaces V1 behind a proxy. Updated variables at the bottom.
14 * @author Armor.fi -- Robert M.C. Forster, Taek Lee
15 * SPDX-License-Identifier: (c) Armor.Fi DAO, 2021
16**/
17contract arNXMVault is Ownable {
18    
19    using SafeMath for uint;
20    using SafeERC20 for IERC20;
21    
22    uint256 constant private DENOMINATOR = 1000;
23    
24    // Amount of time between 
25    uint256 public restakePeriod;
26    
27    // Amount of time that rewards are distributed over.
28    uint256 public rewardDuration;
29    
30    // This used to be unstake percent but has now been deprecated in favor of individual unstakes.
31    // Paranoia results in this not being replaced but rather deprecated and new variables placed at the bottom. 
32    uint256 public ____deprecated____;
33    
34    // Amount of wNXM (in token Wei) to reserve each period.
35    // Overwrites reservePercent in update.
36    uint256 public reserveAmount;
37    
38    // Withdrawals may be paused if a hack has recently happened. Timestamp of when the pause happened.
39    uint256 public withdrawalsPaused;
40    
41    // Amount of time withdrawals may be paused after a hack.
42    uint256 public pauseDuration;
43    
44    // Address that will receive administration funds from the contract.
45    address public beneficiary;
46    
47    // Percent of funds to be distributed for administration of the contract. 10 == 1%; 1000 == 100%.
48    uint256 public adminPercent;
49    
50    // Percent of staking rewards that referrers get.
51    uint256 public referPercent;
52    
53    // Timestamp of when the last restake took place--7 days between each.
54    uint256 public lastRestake;
55    
56    // The amount of the last reward.
57    uint256 public lastReward;
58    
59    // Uniswap, Maker, Compound, Aave, Curve, Synthetix, Yearn, RenVM, Balancer, dForce.
60    address[] public protocols;
61    
62    // Amount to unstake each time.
63    uint256[] private amounts;
64    
65    // Protocols being actively used in staking or unstaking.
66    address[] private activeProtocols;
67​
68    // Nxm tokens.
69    IERC20 public wNxm;
70    IERC20 public nxm;
71    IERC20 public arNxm;
72    
73    / Nxm Master address.
74    INxmMaster public nxmMaster;
75    
76    / Reward manager for referrers.
77    IRewardManager public rewardManager

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