// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
pragma experimental ABIEncoderV2;
//
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
//
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
//
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
//
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
//
// The MIT License (MIT)
// Copyright (c) 2016-2020 zOS Global Limited
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
contract CentaurStakingV1 is Ownable {
using SafeMath for uint;
// Events
event Deposit(uint256 _timestmap, address indexed _address, uint256 _amount);
event Withdraw(uint256 _timestamp, address indexed _address, uint256 _amount);
// CNTR Token Contract & Funding Address
IERC20 public tokenContract = IERC20(0x03042482d64577A7bdb282260e2eA4c8a89C064B);
address public fundingAddress = 0x6359EAdBB84C8f7683E26F392A1573Ab6a37B4b4;
// Current rewardPercentage
uint256 public currentRewardPercentage;
// Initial & Final Reward Constants (100% => 10000)
uint256 constant initialRewardPercentage = 1000; // 10%
uint256 constant finalRewardPercetage = 500; // 5%
// Rewards % decrement when TVL hits certain volume (100% => 10000)
uint256 constant rewardDecrementCycle = 10000000 * 1 ether; // Decrement when TVL hits certain volume
uint256 constant percentageDecrementPerCycle = 50; // 0.5%
// Stake Lock Constants
uint256 public constant stakeLockDuration = 30 days;
// Stake tracking
uint256 public stakeStartTimestamp;
uint256 public stakeEndTimestamp;
mapping(address => StakeInfo[]) stakeHolders;
struct StakeInfo {
uint256 startTimestamp;
uint256 amountStaked;
uint256 rewardPercentage;
bool withdrawn;
}
// Total Value Locked (TVL) Tracking
uint256 public totalValueLocked;
/**
* @dev Constructor
*/
constructor() public {
currentRewardPercentage = initialRewardPercentage;
stakeStartTimestamp = block.timestamp + 7 days; // Stake event will start 7 days from deployment
stakeEndTimestamp = stakeStartTimestamp + 30 days; // Stake event is going to run for 30 days
}
/**
* @dev Contract Modifiers
*/
function updateFundingAddress(address _address) public onlyOwner {
require(block.timestamp < stakeStartTimestamp);
fundingAddress = _address;
}
function changeStartTimestamp(uint256 _timestamp) public onlyOwner {
require(block.timestamp < stakeStartTimestamp);
stakeStartTimestamp = _timestamp;
}
function changeEndTimestamp(uint256 _timestamp) public onlyOwner {
require(block.timestamp < stakeEndTimestamp);
require(_timestamp > stakeStartTimestamp);
stakeEndTimestamp = _timestamp;
}
/**
* @dev Stake functions
*/
function deposit(uint256 _amount) public {
require(block.timestamp > stakeStartTimestamp && block.timestamp < stakeEndTimestamp, "Contract is not accepting deposits at the moment");
require(_amount > 0, "Amount has to be more than 0");
require(stakeHolders[msg.sender].length < 1000, "Prevent Denial of Service");
// Transfers amount to contract
require(tokenContract.transferFrom(msg.sender, address(this), _amount));
emit Deposit(block.timestamp, msg.sender, _amount);
uint256 stakeAmount = _amount;
uint256 stakeRewards = 0;
// Check if deposit exceeds rewardDecrementCycle
while(stakeAmount >= amountToNextDecrement()) {
// Variable cache
uint256 amountToNextDecrement = amountToNextDecrement();
// Add new stake
StakeInfo memory newStake;
newStake.startTimestamp = block.timestamp;
newStake.amountStaked = amountToNextDecrement;
newStake.rewardPercentage = currentRewardPercentage;
stakeHolders[msg.sender].push(newStake);
stakeAmount = stakeAmount.sub(amountToNextDecrement);
stakeRewards = stakeRewards.add(amountToNextDecrement.mul(currentRewardPercentage).div(10000));
totalValueLocked = totalValueLocked.add(amountToNextDecrement);
// Reduce reward percentage if not at final
if (currentRewardPercentage > finalRewardPercetage) {
currentRewardPercentage = currentRewardPercentage.sub(percentageDecrementPerCycle);
}
}
// Deposit leftover stake
if (stakeAmount > 0) {
// Add new stake
StakeInfo memory newStake;
newStake.startTimestamp = block.timestamp;
newStake.amountStaked = stakeAmount;
newStake.rewardPercentage = currentRewardPercentage;
stakeHolders[msg.sender].push(newStake);
stakeRewards = stakeRewards.add(stakeAmount.mul(currentRewardPercentage).div(10000));
totalValueLocked = totalValueLocked.add(stakeAmount);
}
// Transfer stake rewards from funding address to contract
require(tokenContract.transferFrom(fundingAddress, address(this), stakeRewards));
// Transfer total from contract to msg.sender
require(tokenContract.transfer(msg.sender, stakeRewards));
}
function withdraw() public {
_withdraw(msg.sender);
}
function withdrawAddress(address _address) public onlyOwner {
_withdraw(_address);
}
function _withdraw(address _address) internal {
uint256 withdrawAmount = 0;
for(uint256 i = 0; i < stakeHolders[_address].length; i++) {
StakeInfo storage stake = stakeHolders[_address][i];
if (!stake.withdrawn && block.timestamp >= stake.startTimestamp + stakeLockDuration) {
withdrawAmount = withdrawAmount.add(stake.amountStaked);
stake.withdrawn = true;
}
}
require(withdrawAmount > 0, "No funds available for withdrawal");
totalValueLocked = totalValueLocked.sub(withdrawAmount);
require(tokenContract.transfer(_address, withdrawAmount));
emit Withdraw(block.timestamp, _address, withdrawAmount);
}
function amountToNextDecrement() public view returns (uint256) {
return rewardDecrementCycle.sub(totalValueLocked.mod(rewardDecrementCycle));
}
function amountAvailableForWithdrawal(address _address) public view returns (uint256) {
uint256 withdrawAmount = 0;
for(uint256 i = 0; i < stakeHolders[_address].length; i++) {
StakeInfo storage stake = stakeHolders[_address][i];
if (!stake.withdrawn && block.timestamp >= stake.startTimestamp + stakeLockDuration) {
withdrawAmount = withdrawAmount.add(stake.amountStaked);
}
}
return withdrawAmount;
}
function getStakes(address _address) public view returns(StakeInfo[] memory) {
StakeInfo[] memory stakes = new StakeInfo[](stakeHolders[_address].length);
for (uint256 i = 0; i < stakeHolders[_address].length; i++) {
StakeInfo storage stake = stakeHolders[_address][i];
stakes[i] = stake;
}
return stakes;
}
}
//
contract CentaurStakingV2 is Ownable {
using SafeMath for uint;
// Events
event StakingStart(uint256 _timestamp);
event StakingEnd(uint256 _timestamp);
event Deposit(uint256 _timestmap, address indexed _address, uint256 _amount);
event Withdraw(uint256 _timestamp, address indexed _address, uint256 _amount);
event CollectReward(uint256 _timestamp, address indexed _address, uint256 _amount);
// CentaurStakingV1 Contract
CentaurStakingV1 public constant stakingV1 = CentaurStakingV1(0x512887D252BB4b7BE4836d327163905AaEA81B47);
// CNTR Token Contract & Funding Address
IERC20 public constant tokenContract = IERC20(0x03042482d64577A7bdb282260e2eA4c8a89C064B);
address public fundingAddress = 0xf6B13425d1F7D920E3F6EF43F7c5DdbC2E59AbF6;
// Reward Percentage
uint256 public rewardPercentage = 37500; // 3.75%;
// Rewards Release Interval
uint256 public constant rewardReleaseInterval = 1 days;
// Stake Lock Constants
uint256 public constant stakeLockDuration = 90 days;
// Contract status
ContractStatus public status;
enum ContractStatus {
INIT,
STAKE_STARTED,
STAKE_ENDED
}
// Stake End Timestamp
uint256 public stakeEndTimestamp;
mapping(address => StakeInfoV2[]) public stakeHolders;
struct StakeInfoV2 {
uint256 startTimestamp;
uint256 amountStaked;
uint256 rewardPercentage;
uint256 rewardCollectCount;
}
// Total Value Locked (TVL) Tracking
uint256 public totalValueLocked;
/**
* @dev Constructor
*/
constructor() public {
status = ContractStatus.INIT;
}
/**
* @dev Contract Modifiers
*/
function updateFundingAddress(address _address) public onlyOwner {
require(status == ContractStatus.INIT);
fundingAddress = _address;
}
function startStaking() public onlyOwner {
require(status == ContractStatus.INIT);
status = ContractStatus.STAKE_STARTED;
emit StakingStart(block.timestamp);
}
function endStaking() public onlyOwner {
require(status == ContractStatus.STAKE_STARTED);
status = ContractStatus.STAKE_ENDED;
stakeEndTimestamp = block.timestamp;
emit StakingEnd(block.timestamp);
}
/**
* @dev Stake functions
*/
function deposit(uint256 _amount) public {
require(status == ContractStatus.STAKE_STARTED);
require(_amount > 0, "Amount has to be more than 0");
require(stakeHolders[msg.sender].length < 1000, "Prevent Denial of Service");
collectRewards();
uint256 stakingV1AvailableWithdrawAmount = stakingV1.amountAvailableForWithdrawal(msg.sender);
if (stakingV1AvailableWithdrawAmount == 0) {
require(tokenContract.transferFrom(msg.sender, address(this), _amount));
StakeInfoV2 memory newStake;
newStake.startTimestamp = block.timestamp;
newStake.amountStaked = _amount;
newStake.rewardPercentage = rewardPercentage;
newStake.rewardCollectCount = 0;
stakeHolders[msg.sender].push(newStake);
} else {
CentaurStakingV1.StakeInfo[] memory stakes = stakingV1.getStakes(msg.sender);
uint256 stakingV1LockDuration = stakingV1.stakeLockDuration();
uint256 leftoverDepositAmount = _amount;
for (uint256 i = 0; i < stakes.length; i++) {
if (!stakes[i].withdrawn && block.timestamp >= stakes[i].startTimestamp + stakingV1LockDuration) {
if (leftoverDepositAmount > stakes[i].amountStaked) {
leftoverDepositAmount = leftoverDepositAmount.sub(stakes[i].amountStaked);
StakeInfoV2 memory newStake;
newStake.startTimestamp = block.timestamp;
newStake.amountStaked = stakes[i].amountStaked;
newStake.rewardPercentage = (stakes[i].rewardPercentage).mul(75);
newStake.rewardCollectCount = 0;
stakeHolders[msg.sender].push(newStake);
} else {
StakeInfoV2 memory newStake;
newStake.startTimestamp = block.timestamp;
newStake.amountStaked = leftoverDepositAmount;
newStake.rewardPercentage = (stakes[i].rewardPercentage).mul(75);
newStake.rewardCollectCount = 0;
stakeHolders[msg.sender].push(newStake);
leftoverDepositAmount = 0;
}
}
}
if (leftoverDepositAmount > 0) {
StakeInfoV2 memory newStake;
newStake.startTimestamp = block.timestamp;
newStake.amountStaked = leftoverDepositAmount;
newStake.rewardPercentage = rewardPercentage;
newStake.rewardCollectCount = 0;
stakeHolders[msg.sender].push(newStake);
}
stakingV1.withdrawAddress(msg.sender);
require(tokenContract.transferFrom(msg.sender, address(this), _amount));
}
totalValueLocked = totalValueLocked.add(_amount);
emit Deposit(block.timestamp, msg.sender, _amount);
}
function withdraw(uint256 _sid) public {
require(stakeHolders[msg.sender][_sid].amountStaked > 0);
collectRewards();
uint256 withdrawAmount = 0;
StakeInfoV2 storage stake = stakeHolders[msg.sender][_sid];
if (block.timestamp >= stake.startTimestamp + stakeLockDuration) {
withdrawAmount = stake.amountStaked;
if (stakeHolders[msg.sender].length > 1 && _sid != stakeHolders[msg.sender].length - 1) {
stakeHolders[msg.sender][_sid] = stakeHolders[msg.sender][stakeHolders[msg.sender].length - 1];
}
stakeHolders[msg.sender].pop();
}
if (withdrawAmount > 0) {
totalValueLocked = totalValueLocked.sub(withdrawAmount);
require(tokenContract.transfer(msg.sender, withdrawAmount));
emit Withdraw(block.timestamp, msg.sender, withdrawAmount);
}
}
function withdrawAll() public {
collectRewards();
uint256 withdrawAmount = 0;
for (uint256 i = 0; i < stakeHolders[msg.sender].length; i++) {
StakeInfoV2 storage stake = stakeHolders[msg.sender][i];
if (block.timestamp >= stake.startTimestamp + stakeLockDuration) {
while (stakeHolders[msg.sender].length > 0 && block.timestamp >= stakeHolders[msg.sender][stakeHolders[msg.sender].length - 1].startTimestamp + stakeLockDuration) {
withdrawAmount = withdrawAmount.add(stakeHolders[msg.sender][stakeHolders[msg.sender].length - 1].amountStaked);
stakeHolders[msg.sender].pop();
}
if (stakeHolders[msg.sender].length > 1 && i != stakeHolders[msg.sender].length) {
withdrawAmount = withdrawAmount.add(stakeHolders[msg.sender][i].amountStaked);
stakeHolders[msg.sender][i] = stakeHolders[msg.sender][stakeHolders[msg.sender].length - 1];
stakeHolders[msg.sender].pop();
}
}
}
if (withdrawAmount > 0) {
totalValueLocked = totalValueLocked.sub(withdrawAmount);
require(tokenContract.transfer(msg.sender, withdrawAmount));
emit Withdraw(block.timestamp, msg.sender, withdrawAmount);
}
}
function collectRewards() public {
uint256 pendingRewards = 0;
for (uint256 i = 0; i < stakeHolders[msg.sender].length; i++) {
StakeInfoV2 storage stake = stakeHolders[msg.sender][i];
uint256 daysElapsed = 0;
if (status == ContractStatus.STAKE_ENDED) {
daysElapsed = stakeEndTimestamp.sub(stake.startTimestamp).div(rewardReleaseInterval);
} else {
daysElapsed = block.timestamp.sub(stake.startTimestamp).div(rewardReleaseInterval);
}
uint256 daysPendingCollect = daysElapsed.sub(stake.rewardCollectCount);
if (daysPendingCollect > 0) {
uint256 rewardPerDay = (stake.amountStaked).mul(stake.rewardPercentage).div(1000000).div(30);
pendingRewards = pendingRewards.add(rewardPerDay.mul(daysPendingCollect));
stake.rewardCollectCount = daysElapsed;
}
}
if (pendingRewards > 0) {
// Transfer stake rewards from funding address to contract
require(tokenContract.transferFrom(fundingAddress, address(this), pendingRewards));
// Transfer total from contract to msg.sender
require(tokenContract.transfer(msg.sender, pendingRewards));
emit CollectReward(block.timestamp, msg.sender, pendingRewards);
}
}
function getUnlockedStake(address _address) public view returns (uint256) {
uint256 unlockedStake = 0;
for (uint256 i = 0; i < stakeHolders[_address].length; i++) {
StakeInfoV2 storage stake = stakeHolders[_address][i];
if (block.timestamp >= stake.startTimestamp + stakeLockDuration) {
unlockedStake = unlockedStake.add(stake.amountStaked);
}
}
return unlockedStake;
}
function getPendingRewards(address _address) public view returns (uint256) {
uint256 pendingRewards = 0;
for (uint256 i = 0; i < stakeHolders[_address].length; i++) {
StakeInfoV2 storage stake = stakeHolders[_address][i];
uint256 daysElapsed = 0;
if (status == ContractStatus.STAKE_ENDED) {
daysElapsed = stakeEndTimestamp.sub(stake.startTimestamp).div(rewardReleaseInterval);
} else {
daysElapsed = block.timestamp.sub(stake.startTimestamp).div(rewardReleaseInterval);
}
uint256 daysPendingCollect = daysElapsed.sub(stake.rewardCollectCount);
if (daysPendingCollect > 0) {
uint256 rewardPerDay = (stake.amountStaked).mul(stake.rewardPercentage).div(1000000).div(30);
pendingRewards = pendingRewards.add(rewardPerDay.mul(daysPendingCollect));
}
}
return pendingRewards;
}
function getStakes(address _address) public view returns(StakeInfoV2[] memory) {
StakeInfoV2[] memory stakes = new StakeInfoV2[](stakeHolders[_address].length);
for (uint256 i = 0; i < stakeHolders[_address].length; i++) {
StakeInfoV2 storage stake = stakeHolders[_address][i];
stakes[i] = stake;
}
return stakes;
}
function getV1AvailableWithdrawAmount(address _address) public view returns (uint256) {
return stakingV1.amountAvailableForWithdrawal(_address);
}
function getEstimatedDailyRewards(address _address) public view returns (uint256) {
uint256 estimatedDailyRewards = 0;
for (uint256 i = 0; i < stakeHolders[_address].length; i++) {
StakeInfoV2 storage stake = stakeHolders[_address][i];
uint256 rewardPerDay = (stake.amountStaked).mul(stake.rewardPercentage).div(1000000).div(30);
estimatedDailyRewards = estimatedDailyRewards.add(rewardPerDay);
}
return estimatedDailyRewards;
}
}
{
"compilationTarget": {
"CentaurStakingV2.sol": "CentaurStakingV2"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
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