// File: @openzeppelin/contracts/math/SafeMath.sol
pragma solidity ^0.5.0;
/**
* @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.
*
* _Available since v2.4.0._
*/
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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
// File: @openzeppelin/contracts/math/Math.sol
pragma solidity ^0.5.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow, so we distribute
return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
}
}
// File: contracts/interface/IERC20.sol
pragma solidity ^0.5.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/
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);
function mint(address account, uint amount) external;
/**
* @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);
}
// File: contracts/interface/IPlayerBook.sol
pragma solidity ^0.5.0;
interface IPlayerBook {
function settleReward( address from,uint256 amount ) external returns (uint256);
function bindRefer( address from,string calldata affCode ) external returns (bool);
function hasRefer(address from) external returns(bool);
function addPool(address poolAddr, address rewardToken) external;
}
// File: contracts/interface/IPool.sol
pragma solidity ^0.5.0;
interface IPool {
function totalSupply( ) external view returns (uint256);
function balanceOf( address player ) external view returns (uint256);
}
// File: @openzeppelin/contracts/utils/Address.sol
pragma solidity ^0.5.5;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Converts an `address` into `address payable`. Note that this is
* simply a type cast: the actual underlying value is not changed.
*
* _Available since v2.4.0._
*/
function toPayable(address account) internal pure returns (address payable) {
return address(uint160(account));
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*
* _Available since v2.4.0._
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-call-value
(bool success, ) = recipient.call.value(amount)("");
require(success, "Address: unable to send value, recipient may have reverted");
}
}
// File: contracts/library/SafeERC20.sol
pragma solidity ^0.5.0;
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
function safeTransfer(IERC20 token, address to, uint256 value) internal {
(bool success, bytes memory data) = address(token).call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'SafeERC20: TRANSFER_FAILED');
}
// function safeTransfer(IERC20 token, address to, uint256 value) internal {
// callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
// }
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves.
// A Solidity high level call has three parts:
// 1. The target address is checked to verify it contains contract code
// 2. The call itself is made, and success asserted
// 3. The return value is decoded, which in turn checks the size of the returned data.
// solhint-disable-next-line max-line-length
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
// File: contracts/library/Governance.sol
pragma solidity ^0.5.0;
contract Governance {
address public _governance;
constructor() public {
_governance = tx.origin;
}
event GovernanceTransferred(address indexed previousOwner, address indexed newOwner);
modifier onlyGovernance {
require(msg.sender == _governance, "not governance");
_;
}
function setGovernance(address governance) public onlyGovernance
{
require(governance != address(0), "new governance the zero address");
emit GovernanceTransferred(_governance, governance);
_governance = governance;
}
}
// File: contracts/interface/IPowerStrategy.sol
pragma solidity ^0.5.0;
interface IPowerStrategy {
function lpIn(address sender, uint256 amount) external;
function lpOut(address sender, uint256 amount) external;
function getPower(address sender) view external returns (uint256);
}
// File: contracts/library/SegmentPowerStrategy.sol
pragma solidity ^0.5.0;
contract SegmentPowerStrategy is IPowerStrategy {
using SafeMath for uint256;
////
struct degoSegment {
uint256 min;
uint256 max;
}
struct countSegment {
uint32 length;
uint32 curCount;
}
struct playerInfo {
uint256 amount;
uint8 segIndex;
uint32 playerId;
uint32 offset;
}
mapping(address => uint32) public _addressXId;
mapping(uint8 => degoSegment) public _degoSegment;
mapping(uint8 => countSegment) public _countSegment;
mapping(uint8 => mapping(uint32 => uint32)) public _playerIds;
mapping(uint32 => playerInfo) public _playerMap;
uint8[3] public _ruler = [8, 1, 1];
uint8[3] public _factor = [3, 5, 1];
uint8 public _high = 3;
uint8 public _mid = 2;
uint8 public _low = 1;
uint32 public _playerId = 0;
uint32 public _base = 100;
uint32 public _anchor = _base;
uint32 public _grouthCondition = 100;
uint32 public _grouthStep = 10;
uint32 constant public _highMax = 50;
uint32 constant public _midMax = 50;
uint256 constant public _initMaxValue = 500 * (10**18); //500lp,10w usdt,100 eth
address public _contractCaller = address(0x0);
/**
* check pool
*/
modifier isNormalPool(){
require( msg.sender==_contractCaller,"invalid pool address!");
_;
}
constructor()
public
{
_contractCaller = msg.sender;
_playerId = 0;
initSegment();
updateRuler(_initMaxValue);
}
function lpIn(address sender, uint256 amount)
isNormalPool()
external {
uint32 playerId = _addressXId[sender];
if ( playerId > 0 ) {
_playerMap[playerId].amount = _playerMap[playerId].amount.add(amount);
} else {
//new addr
_playerId = _playerId+1;
_addressXId[sender] = _playerId;
playerId = _playerId;
_playerMap[playerId].playerId = playerId;
_playerMap[playerId].amount = amount;
_playerMap[playerId].segIndex = 0;
_playerMap[playerId].offset = 0;
//update segment
updateSegment();
}
settlePowerData(playerId);
}
function lpOut(address sender, uint256 amount)
isNormalPool()
external{
uint32 playerId = _addressXId[sender];
if ( playerId > 0 ) {
_playerMap[playerId].amount = _playerMap[playerId].amount.sub(amount);
} else {
return;
}
settlePowerData(playerId);
}
function getPower(address sender)
view external
returns (uint256) {
uint32 playerId = _addressXId[sender];
if ( playerId > 0 ) {
uint8 segment = _playerMap[playerId].segIndex;
if(segment>0){
return uint256(_factor[segment-1]).mul(_playerMap[playerId].amount);
}
}
return 0;
}
function updateRuler( uint256 maxCount ) internal{
uint256 lastBegin = 0;
uint256 lastEnd = 0;
uint256 splitPoint = 0;
for (uint8 i = 1; i <= _ruler.length; i++) {
splitPoint = maxCount * _ruler[i - 1]/10;
if (splitPoint <= 0) {
splitPoint = 1;
}
lastEnd = lastBegin + splitPoint;
if (i == _ruler.length) {
lastEnd = maxCount;
}
_degoSegment[i].min = lastBegin + 1;
_degoSegment[i].max = lastEnd;
lastBegin = lastEnd;
}
}
function initSegment() internal {
_countSegment[_low].length = 80;
_countSegment[_mid].length = 10;
_countSegment[_high].length = 10;
_countSegment[_low].curCount = 0;
_countSegment[_mid].curCount = 0;
_countSegment[_high].curCount = 0;
}
function updateSegment( ) internal {
if (_playerId >= _grouthCondition+_anchor ) {
if (_countSegment[_high].length + _grouthStep > _highMax) {
_countSegment[_high].length = _highMax;
} else {
_countSegment[_high].length = _countSegment[_high].length+_grouthStep;
}
if (_countSegment[_mid].length + _grouthStep > _midMax) {
_countSegment[_mid].length = _midMax;
} else {
_countSegment[_mid].length = _countSegment[_mid].length+_grouthStep;
}
_anchor = _playerId;
}
}
function hasCountSegmentSlot(uint8 segIndex) internal view returns (bool){
uint32 value = _countSegment[segIndex].length-_countSegment[segIndex].curCount;
if (value > 0) {
return true;
} else {
return false;
}
}
function findSegmentMinPlayer(uint8 segIndex) internal view returns (uint32,uint256){
uint256 firstMinAmount = _degoSegment[segIndex].max;
uint256 secondMinAmount = _degoSegment[segIndex].max;
uint32 minPlayerOffset = 0;
for (uint8 i = 0; i < _countSegment[segIndex].curCount; i++) {
uint32 playerId = _playerIds[segIndex][i];
if( playerId==0 ){
continue;
}
uint256 amount = _playerMap[playerId].amount;
//find min amount;
if ( amount < firstMinAmount) {
if (firstMinAmount < secondMinAmount) {
secondMinAmount = firstMinAmount;
}
firstMinAmount = amount;
minPlayerOffset = i;
}else{
//find second min amount
if(amount < secondMinAmount ){
secondMinAmount = amount;
}
}
}
return (minPlayerOffset,secondMinAmount);
}
//swap the player data from old segment to the new segment
function segmentSwap(uint32 playerId, uint8 segIndex) internal {
uint8 oldSegIndex = _playerMap[playerId].segIndex;
uint32 oldOffset = _playerMap[playerId].offset;
uint32 tail = _countSegment[segIndex].curCount;
_playerMap[playerId].segIndex = segIndex;
_playerMap[playerId].offset = tail;
_countSegment[segIndex].curCount = _countSegment[segIndex].curCount+1;
_playerIds[segIndex][tail] = playerId;
if (oldSegIndex>0 && segIndex != oldSegIndex && _playerIds[oldSegIndex][oldOffset] > 0) {
uint32 originTail = _countSegment[oldSegIndex].curCount-1;
uint32 originTailPlayer = _playerIds[oldSegIndex][originTail];
if(originTailPlayer != playerId){
_playerMap[originTailPlayer].segIndex = oldSegIndex;
_playerMap[originTailPlayer].offset = oldOffset;
_playerIds[oldSegIndex][oldOffset] = originTailPlayer;
}
_playerIds[oldSegIndex][originTail] = 0;
_countSegment[oldSegIndex].curCount = _countSegment[oldSegIndex].curCount-1;
}
}
//swap the player data with tail
function tailSwap( uint8 segIndex) internal returns (uint32){
uint32 minPlayerOffset;
uint256 secondMinAmount;
(minPlayerOffset,secondMinAmount) = findSegmentMinPlayer(segIndex);
_degoSegment[segIndex].min = secondMinAmount;
uint32 leftPlayerId = _playerIds[segIndex][minPlayerOffset];
//segmentSwap to reset
uint32 tail = _countSegment[segIndex].curCount - 1;
uint32 tailPlayerId = _playerIds[segIndex][tail];
_playerIds[segIndex][minPlayerOffset] = tailPlayerId;
_playerMap[tailPlayerId].offset = minPlayerOffset;
return leftPlayerId;
}
function joinHigh(uint32 playerId) internal {
uint8 segIndex = _high;
if (hasCountSegmentSlot(segIndex)) {
segmentSwap(playerId, segIndex);
} else {
uint32 leftPlayerId = tailSwap(segIndex);
joinMid(leftPlayerId);
segmentSwap(playerId, segIndex);
}
}
function joinMid(uint32 playerId) internal {
uint8 segIndex = _mid;
if (hasCountSegmentSlot(segIndex)) {
segmentSwap(playerId, segIndex);
} else {
uint32 leftPlayerId = tailSwap(segIndex);
joinLow(leftPlayerId);
segmentSwap(playerId, segIndex);
}
_degoSegment[segIndex].max = _degoSegment[segIndex + 1].min;
}
function joinLow(uint32 playerId) internal {
uint8 segIndex = _low;
segmentSwap(playerId, segIndex);
_degoSegment[segIndex].max = _degoSegment[segIndex + 1].min;
//_low segment length update
if( _countSegment[segIndex].curCount > _countSegment[segIndex].length){
_countSegment[segIndex].length = _countSegment[segIndex].curCount;
}
}
function settlePowerData(uint32 playerId) internal {
uint256 amount = _playerMap[playerId].amount;
uint8 segIndex = 0;
for (uint8 i = 1; i <= _high; i++) {
if (amount < _degoSegment[i].max) {
segIndex = i;
break;
}
}
if (segIndex == 0) {
_degoSegment[_high].max = amount;
segIndex = _high;
}
if (_playerMap[playerId].segIndex == segIndex) {
return;
}
if (segIndex == _high) {
joinHigh(playerId);
} else if (segIndex == _mid) {
joinMid(playerId);
} else {
joinLow(playerId);
}
}
////////////////////////////
}
// File: contracts/library/LPTokenWrapper.sol
pragma solidity ^0.5.0;
contract LPTokenWrapper is IPool,Governance {
using SafeMath for uint256;
using SafeERC20 for IERC20;
IERC20 public _lpToken;
address public _playerBook = address(0x178f005e3BB10604a47c4F8212C8959caC9c94aA);
uint256 private _totalSupply;
mapping(address => uint256) private _balances;
uint256 private _totalPower;
mapping(address => uint256) private _powerBalances;
address public _powerStrategy = address(0x0);
address public powerStrategy = address(0x0);
constructor(address lpToken_) public {
require(lpToken_ != address(0), 'LPTokenWrapper::constructor: lpToken_ is empty');
_lpToken = IERC20(lpToken_);
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function enablePowerStragegy() public onlyGovernance{
if( powerStrategy == address(0x0)){
powerStrategy = address(new SegmentPowerStrategy());
}
_powerStrategy = powerStrategy;
}
function disablePowerStragegy() public onlyGovernance{
_powerStrategy = address(0x0);
}
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
function balanceOfPower(address account) public view returns (uint256) {
return _powerBalances[account];
}
function totalPower() public view returns (uint256) {
return _totalPower;
}
function stake(uint256 amount, string memory affCode) public {
_totalSupply = _totalSupply.add(amount);
_balances[msg.sender] = _balances[msg.sender].add(amount);
if( _powerStrategy != address(0x0)){
_totalPower = _totalPower.sub(_powerBalances[msg.sender]);
IPowerStrategy(_powerStrategy).lpIn(msg.sender, amount);
_powerBalances[msg.sender] = IPowerStrategy(_powerStrategy).getPower(msg.sender);
_totalPower = _totalPower.add(_powerBalances[msg.sender]);
}else{
_totalPower = _totalSupply;
_powerBalances[msg.sender] = _balances[msg.sender];
}
_lpToken.safeTransferFrom(msg.sender, address(this), amount);
if (!IPlayerBook(_playerBook).hasRefer(msg.sender)) {
IPlayerBook(_playerBook).bindRefer(msg.sender, affCode);
}
}
function withdraw(uint256 amount) public {
require(amount > 0, "amount > 0");
_totalSupply = _totalSupply.sub(amount);
_balances[msg.sender] = _balances[msg.sender].sub(amount);
if( _powerStrategy != address(0x0)){
_totalPower = _totalPower.sub(_powerBalances[msg.sender]);
IPowerStrategy(_powerStrategy).lpOut(msg.sender, amount);
_powerBalances[msg.sender] = IPowerStrategy(_powerStrategy).getPower(msg.sender);
_totalPower = _totalPower.add(_powerBalances[msg.sender]);
}else{
_totalPower = _totalSupply;
_powerBalances[msg.sender] = _balances[msg.sender];
}
_lpToken.safeTransfer( msg.sender, amount);
}
function setPlayerBook(address playerbook) public onlyGovernance{
_playerBook = playerbook;
}
}
// File: contracts/reward/UniswapReward.sol
pragma solidity ^0.5.0;
contract RewardsDistributionRecipient {
address public rewardsDistribution;
modifier onlyRewardsDistribution() {
require(msg.sender == rewardsDistribution, "Caller is not RewardsDistribution contract");
_;
}
}
interface IUniswapV2ERC20 {
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
}
contract UniswapReward is LPTokenWrapper,RewardsDistributionRecipient{
using SafeERC20 for IERC20;
IERC20 public _rewardsToken;
address public _teamWallet = 0x1F91db93e06ffeb06c942BB6A0b2756Ad6Aaa5FC;
address public _rewardPool = 0x25655b50d6f9Ff59cA145F3E6976E954bE17B177;
uint256 public constant DURATION = 7 days;
uint256 public _initReward;
uint256 public _periodFinish = 0;
uint256 public _rewardRate = 0;
uint256 public _lastUpdateTime;
uint256 public _rewardPerTokenStored;
uint256 public _teamRewardRate = 500;
uint256 public _poolRewardRate = 1000;
uint256 public _baseRate = 10000;
uint256 public _punishTime = 3 days;
mapping(address => uint256) public _userRewardPerTokenPaid;
mapping(address => uint256) public _rewards;
mapping(address => uint256) public _lastStakedTime;
event RewardAdded(uint256 reward);
event Staked(address indexed user, uint256 amount);
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
modifier updateReward(address account) {
_rewardPerTokenStored = rewardPerToken();
_lastUpdateTime = lastTimeRewardApplicable();
if (account != address(0)) {
_rewards[account] = earned(account);
_userRewardPerTokenPaid[account] = _rewardPerTokenStored;
}
_;
}
constructor(
address rewardsDistribution_,
address token_,
address lpToken_
) LPTokenWrapper(lpToken_) public {
require(token_ != address(0), 'UniswapReward::constructor: _token is empty');
_rewardsToken = IERC20(token_);
rewardsDistribution = rewardsDistribution_;
}
/* Fee collection for any other token */
function seize(IERC20 token, uint256 amount) external onlyGovernance{
require(token != _rewardsToken, "reward");
require(token != _lpToken, "stake");
token.safeTransfer(_governance, amount);
}
function setTeamRewardRate( uint256 teamRewardRate ) public onlyGovernance{
_teamRewardRate = teamRewardRate;
}
function setPoolRewardRate( uint256 poolRewardRate ) public onlyGovernance{
_poolRewardRate = poolRewardRate;
}
function setWithDrawPunishTime( uint256 punishTime ) public onlyGovernance{
_punishTime = punishTime;
}
function lastTimeRewardApplicable() public view returns (uint256) {
return Math.min(block.timestamp, _periodFinish);
}
function rewardPerToken() public view returns (uint256) {
if (totalPower() == 0) {
return _rewardPerTokenStored;
}
return
_rewardPerTokenStored.add(
lastTimeRewardApplicable()
.sub(_lastUpdateTime)
.mul(_rewardRate)
.mul(1e18)
.div(totalPower())
);
}
function earned(address account) public view returns (uint256) {
return
balanceOfPower(account)
.mul(rewardPerToken().sub(_userRewardPerTokenPaid[account]))
.div(1e18)
.add(_rewards[account]);
}
// stake visibility is public as overriding LPTokenWrapper's stake() function
function stake(uint256 amount, string memory affCode)
public
updateReward(msg.sender)
{
require(amount > 0, "Cannot stake 0");
super.stake(amount, affCode);
_lastStakedTime[msg.sender] = now;
emit Staked(msg.sender, amount);
}
// stake visibility is public as overriding LPTokenWrapper's stake() function
function stakeWithPermit(uint256 amount, string memory affCode, uint deadline, uint8 v, bytes32 r, bytes32 s)
public
updateReward(msg.sender)
{
require(amount > 0, "Cannot stake 0");
// permit
IUniswapV2ERC20(address(_lpToken)).permit(msg.sender, address(this), amount, deadline, v, r, s);
super.stake(amount, affCode);
_lastStakedTime[msg.sender] = now;
emit Staked(msg.sender, amount);
}
function withdraw(uint256 amount)
public
updateReward(msg.sender)
{
require(amount > 0, "Cannot withdraw 0");
super.withdraw(amount);
emit Withdrawn(msg.sender, amount);
}
function exit() external {
withdraw(balanceOf(msg.sender));
getReward();
}
function getReward() public updateReward(msg.sender) {
uint256 reward = earned(msg.sender);
if (reward > 0) {
_rewards[msg.sender] = 0;
uint256 fee = IPlayerBook(_playerBook).settleReward(msg.sender, reward);
if(fee > 0){
_rewardsToken.safeTransfer(_playerBook, fee);
}
uint256 teamReward = reward.mul(_teamRewardRate).div(_baseRate);
if(teamReward>0){
_rewardsToken.safeTransfer(_teamWallet, teamReward);
}
uint256 leftReward = reward.sub(fee).sub(teamReward);
uint256 poolReward = 0;
//withdraw time check
if(now < (_lastStakedTime[msg.sender] + _punishTime) ){
poolReward = leftReward.mul(_poolRewardRate).div(_baseRate);
}
if(poolReward>0){
_rewardsToken.safeTransfer(_rewardPool, poolReward);
leftReward = leftReward.sub(poolReward);
}
if(leftReward>0){
_rewardsToken.safeTransfer(msg.sender, leftReward );
}
emit RewardPaid(msg.sender, leftReward);
}
}
//for extra reward
function notifyRewardAmount(uint256 reward)
external
onlyRewardsDistribution
updateReward(address(0))
{
if (block.timestamp >= _periodFinish) {
_rewardRate = reward.div(DURATION);
} else {
uint256 remaining = _periodFinish.sub(block.timestamp);
uint256 leftover = remaining.mul(_rewardRate);
_rewardRate = reward.add(leftover).div(DURATION);
}
_lastUpdateTime = block.timestamp;
_periodFinish = block.timestamp.add(DURATION);
emit RewardAdded(reward);
}
}
// File: contracts/reward/StakingRewardsFactory.sol
/**
*Submitted for verification at Etherscan.io on 2020-09-16
*/
pragma solidity ^0.5.16;
interface IMinterV2ERC20 {
function mint(address dst, uint rawAmount) external;
}
contract StakingRewardsFactory is Governance {
using SafeMath for uint;
// immutables
address public rewardsToken;
address public govRewardAccount;
address public devRewardAccount;
uint public stakingRateGenesis=95400;
uint public stakingRateTotal=950000;//95%Percent * 10000
uint public stakingRewardsGenesis;
// the staking tokens for which the rewards contract has been deployed
address[] public stakingTokens;
uint public rewardRateTotal=0;
// info about rewards for a particular staking token
struct StakingRewardsInfo {
address stakingRewards;
uint rewardRate;
}
// rewards info by staking token
mapping(address => StakingRewardsInfo) public stakingRewardsInfoByStakingToken;
constructor(
address _rewardsToken,
address _govRewardAccount,
address _devRewardAccount,
uint _stakingRewardsGenesis
) Governance() public {
require(_stakingRewardsGenesis >= block.timestamp, 'StakingRewardsFactory::constructor: genesis too soon');
rewardsToken = _rewardsToken;
govRewardAccount = _govRewardAccount;
devRewardAccount = _devRewardAccount;
stakingRewardsGenesis = _stakingRewardsGenesis;
}
///// permissioned functions
// deploy a staking reward contract for the staking token, and store the reward amount
// the reward will be distributed to the staking reward contract no sooner than the genesis
function deploy(address[] memory _stakingTokens, uint[] memory _rewardRates) public onlyGovernance {
require(_stakingTokens.length == _rewardRates.length, "stakingTokens and rewardRates lengths mismatch");
for (uint i = 0; i < _rewardRates.length; i++) {
require(_stakingTokens[i] != address(0), "StakingRewardsFactory::deploy: stakingToken empty");
StakingRewardsInfo storage info = stakingRewardsInfoByStakingToken[_stakingTokens[i]];
rewardRateTotal = rewardRateTotal.sub(info.rewardRate).add(_rewardRates[i]);
info.rewardRate = _rewardRates[i];
if(info.stakingRewards == address(0)){
info.stakingRewards = address(new UniswapReward(
/*rewardsDistribution_=*/ address(this),
/*token_=*/ rewardsToken,
/*lpToken_=*/ _stakingTokens[i]
));
stakingTokens.push(_stakingTokens[i]);
}
}
}
function setStakingRate(address stakingToken,uint rewardRate) public onlyGovernance {
StakingRewardsInfo storage info = stakingRewardsInfoByStakingToken[stakingToken];
require(info.stakingRewards != address(0), 'StakingRewardsFactory::setStakingEnabled: not deployed');
rewardRateTotal = rewardRateTotal.sub(info.rewardRate).add(rewardRate);
info.rewardRate = rewardRate;
}
function rewardTotalToken() public view returns (uint256) {
if (stakingRateGenesis >= stakingRateTotal) {
return stakingRateTotal.mul(100).mul(1e18);
}
return stakingRateGenesis.mul(100).mul(1e18);
}
///// permissionless functions
// call notifyRewardAmount for all staking tokens.
function notifyRewardAmounts() public {
require(stakingTokens.length > 0, 'StakingRewardsFactory::notifyRewardAmounts: called before any deploys');
require(block.timestamp >= stakingRewardsGenesis, 'StakingRewardsFactory::notifyRewardAmounts: reward not start');
require(stakingRateTotal > 0, 'StakingRewardsFactory::notifyRewardAmounts: reward is over');
if(stakingRateGenesis >= stakingRateTotal){
stakingRateGenesis = stakingRateTotal;
}
uint _totalRewardAmount = rewardTotalToken();// equal 100_000_000 * 95400 / 10000 / 100
stakingRewardsGenesis = stakingRewardsGenesis + 7 days;
stakingRateTotal = stakingRateTotal.sub(stakingRateGenesis);
if(stakingRateGenesis > 57400){//next stop rate 5.7400%
stakingRateGenesis = stakingRateGenesis.mul(9300).div(10000);//next reward rate equal stakingRateGenesis * (1-7%)
}else if(stakingRateGenesis > 20023){
stakingRateGenesis = 20023;//next reward rate equal 2.0023%
}else{
stakingRateGenesis = stakingRateGenesis.mul(9487).div(10000);//next reward rate equal stakingRateGenesis * (1-5.13%)
}
_mint(_totalRewardAmount);
uint _govFundAmount = _totalRewardAmount.mul(5).div(100);// 5%
uint _devFundAmount = _totalRewardAmount.mul(15).div(100);// 15%
_reserveRewards(govRewardAccount,_govFundAmount);
_reserveRewards(devRewardAccount,_devFundAmount);
uint _poolRewardAmount = _totalRewardAmount.sub(_govFundAmount).sub(_devFundAmount); // 80%
_notifyPoolRewardAmounts(_poolRewardAmount);
}
function _notifyPoolRewardAmounts(uint _poolRewardAmount) private {
uint _surplusRewardAmount = _poolRewardAmount;
uint _rewardAmount = 0;
address farmAddr;
for (uint i = 0; i < stakingTokens.length; i++) {
StakingRewardsInfo memory info = stakingRewardsInfoByStakingToken[stakingTokens[i]];
if(info.rewardRate <= 0){
continue;
}
if(stakingTokens[i] == rewardsToken){
farmAddr = info.stakingRewards;
continue;
}
_rewardAmount = _poolRewardAmount.mul(info.rewardRate).div(rewardRateTotal);
if(_rewardAmount >= _surplusRewardAmount){
_rewardAmount = _surplusRewardAmount;
}
_surplusRewardAmount = _surplusRewardAmount.sub(_rewardAmount);
_notifyRewardAmount(info.stakingRewards,_rewardAmount);
}
_surplusRewardAmount = IERC20(rewardsToken).balanceOf(address(this));
if(_surplusRewardAmount > 0 && farmAddr != address(0)){
_notifyRewardAmount(farmAddr,_surplusRewardAmount);
}
}
// notify reward amount for an individual staking token.
// this is a fallback in case the notifyRewardAmounts costs too much gas to call for all contracts
function _notifyRewardAmount(address _stakingToken,uint _rewardAmount) private {
require(_stakingToken != address(0), 'StakingRewardsFactory::notifyRewardAmount: not deployed');
if (_rewardAmount > 0) {
require(
IERC20(rewardsToken).transfer(_stakingToken, _rewardAmount),
'StakingRewardsFactory::notifyRewardAmount: transfer failed'
);
UniswapReward(_stakingToken).notifyRewardAmount(_rewardAmount);
}
}
function _reserveRewards(address _account,uint _rawRewardsAmount) private {
require(_account != address(0), 'StakingRewardsFactory::_reserveRewards: not deployed');
require(
IERC20(rewardsToken).transfer(_account, _rawRewardsAmount),
'StakingRewardsFactory::_reserveRewards: transfer failed'
);
}
function _mint(uint _mintAmount) private {
require(_mintAmount > 0, 'StakingRewardsFactory::_mint: mintAmount is zero');
IMinterV2ERC20(rewardsToken).mint(address(this), _mintAmount);
}
}
{
"compilationTarget": {
"UniswapReward.sol": "UniswapReward"
},
"evmVersion": "istanbul",
"libraries": {},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"address","name":"rewardsDistribution_","type":"address"},{"internalType":"address","name":"token_","type":"address"},{"internalType":"address","name":"lpToken_","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"GovernanceTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"constant":true,"inputs":[],"name":"DURATION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_baseRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_governance","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_initReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"_lastStakedTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_lastUpdateTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_lpToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_periodFinish","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_playerBook","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_poolRewardRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_powerStrategy","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_punishTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_rewardPerTokenStored","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_rewardPool","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_rewardRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"_rewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_rewardsToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_teamRewardRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_teamWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"_userRewardPerTokenPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOfPower","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"disablePowerStragegy","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"earned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"enablePowerStragegy","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"exit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"getReward","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"lastTimeRewardApplicable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"reward","type":"uint256"}],"name":"notifyRewardAmount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"powerStrategy","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardPerToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardsDistribution","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"seize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"governance","type":"address"}],"name":"setGovernance","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"playerbook","type":"address"}],"name":"setPlayerBook","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"poolRewardRate","type":"uint256"}],"name":"setPoolRewardRate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"teamRewardRate","type":"uint256"}],"name":"setTeamRewardRate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"punishTime","type":"uint256"}],"name":"setWithDrawPunishTime","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"string","name":"affCode","type":"string"}],"name":"stake","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"string","name":"affCode","type":"string"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"stakeWithPermit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalPower","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]