Contract Source Code:
File 1 of 1 : TDE
pragma solidity 0.6.7;
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;
}
}
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);
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);
function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);
function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);
function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);
function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);
function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);
function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
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;
}
}
contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public override view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public override view returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount)
public
override
returns (bool)
{
_transfer(msg.sender, recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender)
public
override
view
returns (uint256)
{
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount)
public
override
returns (bool)
{
_approve(msg.sender, spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
msg.sender,
_allowances[sender][msg.sender].sub(
amount,
'ERC20: transfer amount exceeds allowance'
)
);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue)
public
returns (bool)
{
_approve(
msg.sender,
spender,
_allowances[msg.sender][spender].add(addedValue)
);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
_approve(
msg.sender,
spender,
_allowances[msg.sender][spender].sub(
subtractedValue,
'ERC20: decreased allowance below zero'
)
);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), 'ERC20: transfer from the zero address');
require(recipient != address(0), 'ERC20: transfer to the zero address');
_balances[sender] = _balances[sender].sub(
amount,
'ERC20: transfer amount exceeds balance'
);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), 'ERC20: mint to the zero address');
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), 'ERC20: burn from the zero address');
_balances[account] = _balances[account].sub(
amount,
'ERC20: burn amount exceeds balance'
);
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), 'ERC20: approve from the zero address');
require(spender != address(0), 'ERC20: approve to the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
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;
}
}
contract Token is IERC20, Ownable {
using SafeMath for uint256;
struct Challenger {
uint256 acceptance;
uint256 challenge;
}
uint256 private constant _BASE = 1 * _DECIMALFACTOR;
uint32 private constant _TERM = 24 hours;
uint256 private _prizes;
uint256 private _challenges;
mapping (address => Challenger) private _challengers;
uint256 private _power;
mapping (address => uint256) private _powers;
string private constant _NAME = "Gauntlet Finance";
string private constant _SYMBOL = "GFIv2";
uint8 private constant _DECIMALS = 18;
uint256 private constant _DECIMALFACTOR = 10 ** uint256(_DECIMALS);
uint8 private constant _DENOMINATOR = 100;
uint8 private constant _PRECISION = 100;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
uint256 private immutable _rate;
uint8 private immutable _penalty;
uint256 private immutable _requirement;
uint256 private immutable _initialSupply;
uint256 private _contributors;
bool private _paused;
address private _TDE;
event Penalized(
address indexed account,
uint256 amount);
event Boosted(
address indexed account,
uint256 amount);
event Deflated(
uint256 supply,
uint256 amount);
event Recovered(
uint256 supply,
uint256 amount);
event Added(
address indexed account,
uint256 time);
event Removed(
address indexed account,
uint256 time);
event Accepted(
address indexed account,
uint256 amount);
event Rewarded(
address indexed account,
uint256 amount);
event Powered(
address indexed account,
uint256 power);
event Forfeited(
address indexed account,
uint256 amount);
event Unpaused(
address indexed account,
uint256 time);
constructor (
uint256 rate,
uint8 penalty,
uint256 requirement)
public {
require(rate > 0,
"error: must be larger than zero");
require(penalty > 0,
"error: must be larger than zero");
require(requirement > 0,
"error: must be larger than zero");
_rate = rate;
_penalty = penalty;
_requirement = requirement;
uint256 prizes = 20000 * _DECIMALFACTOR;
uint256 capacity = 25000 * _DECIMALFACTOR;
uint256 operations = 55000 * _DECIMALFACTOR;
_mint(_environment(), prizes.add(capacity));
_mint(_msgSender(), operations);
_prizes = prizes;
_initialSupply = prizes.add(capacity).add(operations);
_paused = true;
}
function setTokenDistributionEvent(address TDE) external onlyOwner returns (bool) {
require(TDE != address(0),
"error: must not be the zero address");
require(_TDE == address(0),
"error: must not be set already");
_TDE = TDE;
return true;
}
function unpause() external returns (bool) {
address account = _msgSender();
require(account == owner() || account == _TDE,
"error: must be owner or must be token distribution event");
_paused = false;
emit Unpaused(account, _time());
return true;
}
function reward() external returns (bool) {
uint256 prizes = getPrizesTotal();
require(prizes > 0,
"error: must be prizes available");
address account = _msgSender();
require(getReward(account) > 0,
"error: must be worthy of a reward");
uint256 amount = getReward(account);
if (_isExcessive(amount, prizes)) {
uint256 excess = amount.sub(prizes);
amount = amount.sub(excess);
_challengers[account].acceptance = _time();
_prizes = _prizes.sub(amount);
_mint(account, amount);
emit Rewarded(account, amount);
} else {
_challengers[account].acceptance = _time();
_prizes = _prizes.sub(amount);
_mint(account, amount);
emit Rewarded(account, amount);
}
return true;
}
function challenge(uint256 amount) external returns (bool) {
address account = _msgSender();
uint256 processed = amount.mul(_DECIMALFACTOR);
require(_isEligible(account, processed),
"error: must have sufficient holdings");
require(_isContributor(account),
"error: must be a contributor");
require(_isAcceptable(processed),
"error: must comply with requirement");
_challengers[account].acceptance = _time();
_challengers[account].challenge = processed;
_challenges = _challenges.add(processed);
emit Accepted(account, processed);
return true;
}
function powerUp() external returns (bool) {
address account = _msgSender();
require(getReward(account) > 0,
"error: must be worthy of a reward");
uint256 amount = getReward(account);
_challengers[account].acceptance = _time();
_powers[account] = _powers[account].add(amount);
_power = _power.add(amount);
emit Powered(account, amount);
return true;
}
function powerDown() external returns (bool) {
uint256 prizes = getPrizesTotal();
require(prizes > 0,
"error: must be prizes available");
address account = _msgSender();
require(getPower(account) > 0,
"error: must have convertible power");
uint256 amount = getPower(account);
if (_isExcessive(amount, prizes)) {
uint256 excess = amount.sub(prizes);
amount = amount.sub(excess);
_powers[account] = _powers[account].sub(amount);
_power = _power.sub(amount);
_prizes = _prizes.sub(amount);
_mint(account, amount);
emit Rewarded(account, amount);
} else {
_powers[account] = _powers[account].sub(amount);
_power = _power.sub(amount);
_prizes = _prizes.sub(amount);
_mint(account, amount);
emit Rewarded(account, amount);
}
emit Powered(account, amount);
return true;
}
function burn(uint256 amount) external returns (bool) {
_burn(_msgSender(), amount);
return true;
}
function getTerm() public pure returns (uint256) {
return _TERM;
}
function getBase() public pure returns (uint256) {
return _BASE;
}
function getAcceptance(address account) public view returns (uint256) {
return _challengers[account].acceptance;
}
function getPeriod(address account) public view returns (uint256) {
if (getAcceptance(account) > 0) {
uint256 period = _time().sub(_challengers[account].acceptance);
uint256 term = getTerm();
if (period >= term) {
return period.div(term);
} else {
return 0;
}
} else {
return 0;
}
}
function getChallenge(address account) public view returns (uint256) {
return _challengers[account].challenge;
}
function getFerocity(address account) public view returns (uint256) {
return (getChallenge(account).mul(_PRECISION)).div(getRequirement());
}
function getReward(address account) public view returns (uint256) {
return _getBlock(account).mul((_BASE.mul(getFerocity(account))).div(_PRECISION));
}
function getPower(address account) public view returns (uint256) {
return _powers[account];
}
function getPrizesTotal() public view returns (uint256) {
return _prizes;
}
function getChallengesTotal() public view returns (uint256) {
return _challenges;
}
function getPowerTotal() public view returns (uint256) {
return _power;
}
function getRate() public view returns (uint256) {
return _rate;
}
function getPenalty() public view returns (uint8) {
return _penalty;
}
function getRequirement() public view returns (uint256) {
return _requirement;
}
function getCapacity() public view returns (uint256) {
return balanceOf(_environment()).sub(getPrizesTotal());
}
function getContributorsTotal() public view returns (uint256) {
return _contributors;
}
function getContributorsLimit() public view returns (uint256) {
return getCapacity().div(getRate());
}
function name() public pure returns (string memory) {
return _NAME;
}
function symbol() public pure returns (string memory) {
return _SYMBOL;
}
function decimals() public pure returns (uint8) {
return _DECIMALS;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function initialSupply() public view returns (uint256) {
return _initialSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
address sender = _msgSender();
require(_isNotPaused() || recipient == _TDE || sender == _TDE,
"error: must not be paused else must be token distribution event recipient or sender");
_checkReactiveness(sender, recipient, amount);
_checkChallenger(sender, amount);
_transfer(sender, recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
require(_isNotPaused() || recipient == _TDE || sender == _TDE,
"error: must not be paused else must be token distribution event recipient or sender");
_checkReactiveness(sender, recipient, amount);
_checkChallenger(sender, amount);
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if (sender == owner() && recipient == _TDE || sender == _TDE) {
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
} else {
uint256 penalty = _computePenalty(amount);
uint256 boosted = penalty.div(2);
uint256 prize = penalty.div(2);
_prize(prize);
_boost(boosted);
uint256 processed = amount.sub(penalty);
_balances[sender] = _balances[sender].sub(processed, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(processed);
emit Transfer(sender, recipient, processed);
}
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _boost(uint256 amount) private returns (bool) {
_mint(_environment(), amount);
emit Boosted(_environment(), amount);
return true;
}
function _prize(uint256 amount) private returns (bool) {
_mint(_environment(), amount);
_prizes = _prizes.add(amount);
emit Rewarded(_environment(), amount);
return true;
}
function _checkReactiveness(address sender, address recipient, uint256 amount) private {
if (_isUnique(recipient)) {
if (_isCompliant(recipient, amount)) {
_addContributor(recipient);
if(_isElastic()) {
_deflate();
}
}
}
if (_isNotUnique(sender)) {
if (_isNotCompliant(sender, amount)) {
_removeContributor(sender);
if(_isElastic()) {
_recover();
}
}
}
}
function _checkChallenger(address account, uint256 amount) private {
if (_isChallenger(account)) {
if (balanceOf(account).sub(amount) < getChallenge(account)) {
uint256 challenged = getChallenge(account);
_challenges = _challenges.sub(challenged);
delete _challengers[account].acceptance;
delete _challengers[account].challenge;
emit Forfeited(account, challenged);
}
}
}
function _deflate() private returns (bool) {
uint256 amount = getRate();
_burn(_environment(), amount);
emit Deflated(totalSupply(), amount);
return true;
}
function _recover() private returns (bool) {
uint256 amount = getRate();
_mint(_environment(), amount);
emit Recovered(totalSupply(), amount);
return true;
}
function _addContributor(address account) private returns (bool) {
_contributors++;
emit Added(account, _time());
return true;
}
function _removeContributor(address account) private returns (bool) {
_contributors--;
emit Removed(account, _time());
return true;
}
function _computePenalty(uint256 amount) private view returns (uint256) {
return (amount.mul(getPenalty())).div(_DENOMINATOR);
}
function _isNotPaused() private view returns (bool) {
if (_paused) { return false; } else { return true; }
}
function _isUnique(address account) private view returns (bool) {
if (balanceOf(account) < getRequirement()) { return true; } else { return false; }
}
function _isNotUnique(address account) private view returns (bool) {
if (balanceOf(account) > getRequirement()) { return true; } else { return false; }
}
function _getAcceptance(address account) private view returns (uint256) {
return _challengers[account].acceptance;
}
function _getEpoch(address account) private view returns (uint256) {
if (_getAcceptance(account) > 0) { return _time().sub(_getAcceptance(account)); } else { return 0; }
}
function _getBlock(address account) private view returns (uint256) {
return _getEpoch(account).div(_TERM);
}
function _isContributor(address account) private view returns (bool) {
if (balanceOf(account) >= getRequirement()) { return true; } else { return false; }
}
function _isEligible(address account, uint256 amount) private view returns (bool) {
if (balanceOf(account) >= amount) { return true; } else { return false; }
}
function _isAcceptable(uint256 amount) private view returns (bool) {
if (amount >= getRequirement()) { return true; } else { return false; }
}
function _isChallenger(address account) private view returns (bool) {
if (_getAcceptance(account) > 0) { return true; } else { return false; }
}
function _isExcessive(uint256 amount, uint256 ceiling) private pure returns (bool) {
if (amount > ceiling) { return true; } else { return false; }
}
function _isCompliant(address account, uint256 amount) private view returns (bool) {
if (balanceOf(account).add(amount) >= getRequirement()) { return true; } else { return false; }
}
function _isNotCompliant(address account, uint256 amount) private view returns (bool) {
if (balanceOf(account).sub(amount) < getRequirement()) { return true; } else { return false; }
}
function _isElastic() private view returns (bool) {
if (getContributorsTotal() <= getContributorsLimit() && getContributorsTotal() > 0) { return true; } else { return false; }
}
function _environment() private view returns (address) {
return address(this);
}
function _time() private view returns (uint256) {
return block.timestamp;
}
}
contract TDE is Context {
using SafeMath for uint256;
Token private _token;
IUniswapV2Router02 private _uniswapRouter = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uint256 private constant _TOKEN_ALLOCATION_SALE = 40000000000000000000000;
uint256 private constant _FIRST_CEILING = 100 ether;
uint256 private constant _TOTAL_CEILING = 1250 ether;
uint8 private constant _LOYALTY_PERCENT = 25;
uint8 private constant _UNISWAP_PERCENT = 45;
uint256 private constant _UNISWAP_RATE = 11;
uint256 private constant _MIN_CONTRIBUTION = 1 ether;
uint256 private constant _MAX_CONTRIBUTION_FIRST_MOVER_STAGE_NOT_WHITELISTED = 5 ether;
uint256 private constant _MAX_CONTRIBUTION_FIRST_MOVER_STAGE_WHITELISTED = 10 ether;
uint8 private constant _MULTIPLIER = 150;
uint8 private constant _DENOMINATOR = 100;
uint8 private constant _PRECISION = 100;
uint32 private constant _DURATION = 7 days;
uint256 private _launch;
uint256 private _over;
uint256 private _fr;
uint256 private _rr;
mapping(address => uint256) private _contributions;
mapping(address => bool) private _whitelisted;
address payable private _wallet;
uint256 public _tokens;
uint256 private _buffer;
uint256 private _funds;
bool private _locked;
bool private _legacy;
event Configured(
uint256 rate1,
uint256 rate2);
event Contributed(
address indexed account,
uint256 amount);
event LiquidityLocked(
uint256 amountETH,
uint256 amountToken);
event Finalized(
uint256 time);
event Destroyed(
uint256 amount);
constructor(address token, address payable wallet) public {
require(token != address(0),
"error: must not be zero address");
require(wallet != address(0),
"error: must not be zero address");
_buffer = (_TOTAL_CEILING.mul(_UNISWAP_PERCENT).div(_DENOMINATOR)).mul(_UNISWAP_RATE);
_tokens = _TOKEN_ALLOCATION_SALE.sub(_buffer);
_launch = _time();
_over = _launch.add(_DURATION);
_token = Token(token);
_wallet = wallet;
_calculateRates();
}
receive() external payable {
require(!_isOver(),
"error: must not be over");
if (_token.balanceOf(_environment()) == 0) revert();
if (_token.balanceOf(_environment()) > 0) _contribute();
}
function lockLiquidity() external returns (bool) {
require(_isOver(),
"error: must be over");
require(!_isLocked(),
"error: must not be locked");
_locked = true;
uint256 amountETHForUniswap = (getFunds().mul(_UNISWAP_PERCENT)).div(_DENOMINATOR);
uint256 amountGFIForUniswap = (amountETHForUniswap.mul((_UNISWAP_RATE.mul(_PRECISION)))).div(_PRECISION);
require(_token.unpause(),
"error: must be unpausable");
require(_token.approve(address(_uniswapRouter), amountGFIForUniswap),
"error: must be approved");
_uniswapRouter.addLiquidityETH
{ value: amountETHForUniswap }
(
address(_token),
amountGFIForUniswap,
0,
0,
address(0),
_time()
);
emit LiquidityLocked(amountETHForUniswap, amountGFIForUniswap);
return true;
}
function whitelist() external returns (bool) {
require(!_legacy,
"error: must not already have whitelisted legacy contributors");
_whitelisted[0xdec08cb92a506B88411da9Ba290f3694BE223c26] = true;
_whitelisted[0x5782728c449fCF4D5FA2644a5680ba66b2d9327F] = true;
_whitelisted[0xdec08cb92a506B88411da9Ba290f3694BE223c26] = true;
_whitelisted[0x5782728c449fCF4D5FA2644a5680ba66b2d9327F] = true;
_whitelisted[0xe15863985BE0c9Fb9D590E2d1D6486a551d63e06] = true;
_whitelisted[0xa7E3058e7C4eB1b18a4c18C69983daA8D724bd28] = true;
_whitelisted[0xBB1095B606774b6bD4e64619BF2239D152BB6774] = true;
_whitelisted[0xDDFB4C1841d57C9aCAe1dC1D1c8C1EAecc1568FC] = true;
_whitelisted[0xB16E1101CbB48F631AB4dBd54c801Ecef9B47D2b] = true;
_whitelisted[0xe0B54aa5E28109F6Aa8bEdcff9622D61a75E6B83] = true;
_whitelisted[0x75B0bBD46d7752CB2f5FfE645467e0ce6E389795] = true;
_whitelisted[0x9fdB427dCD7cB55C7F228a3b5C9814c086C4dC94] = true;
_whitelisted[0x63BD5327D12A93c7265785Ced9d7693cadBb40d8] = true;
_whitelisted[0xfEEAa6A2aE0D4a15e947AFC71DC249A29Dc2778d] = true;
_whitelisted[0x0FB5B52cA714D07321A4913408B00e83675b53F8] = true;
_whitelisted[0xCbaFAE637587e048cAd5B2f9736996A76308D99E] = true;
_whitelisted[0x6Ee6107a6C9aDB834d6ba0985dDA992905526e5a] = true;
_whitelisted[0xd838a891E891d9E59942a5d04d26B1b67a0e6779] = true;
_whitelisted[0xf0478C748428f35ab13a965BB76A170A6359B00B] = true;
_whitelisted[0xff37697171B95605b4511030C9Cdc2dcEA0A51e2] = true;
_whitelisted[0x9C705a173ab01929a29c68D1e3627F744A9ECE24] = true;
_whitelisted[0x75ef5403b6E53686fE5eF3376d87BB5E84671E1e] = true;
_whitelisted[0x27388bdbC5132d8348981C7f68a86326e4330AD3] = true;
_whitelisted[0x89B404b52ab50Fd3e7ff316d5C659cbcB8dc700b] = true;
_whitelisted[0xe36288736e5a45c27ee6FA2F8d1A1aeD99D3eA63] = true;
_whitelisted[0xd491447348c474aF15c40839D3e0056A80fEC352] = true;
_whitelisted[0xD6eEF3cf97A349960b0C976929BAE90435b2BFb2] = true;
_whitelisted[0xa76B0152fE8BC2eC3CbfAC3D3ecee4A397747051] = true;
_whitelisted[0xcC05590bA009b10CB30A7b7e87e2F517Ea2F4301] = true;
_whitelisted[0x6400E53111Fd4B600814fcCdb990C8EDD18780C3] = true;
_whitelisted[0x710049Cfe15475b24D587CC2bF5fFa2007E7a9BE] = true;
_whitelisted[0xD8D55b75dE1b10A1fC9811c0c1422C241093c21c] = true;
_whitelisted[0xDb8FeDAB0fDAD50d4Fa79096F6217185e4157B76] = true;
_whitelisted[0x109f860cFb26339e7635e0BD33D24FA419566CC6] = true;
_whitelisted[0x3Dd4234DaeefBaBCeAA6068C04C3f75F19aa2cdA] = true;
_whitelisted[0x0613e2c0e58E811e358C0e26B51842eEDA05AEd4] = true;
_whitelisted[0x5BBe5c40AF27DBe17adb4Cf24a4793D4dBFF5614] = true;
_whitelisted[0xED66081dF3f42a5e3Ce388F93815Eff87462F1CE] = true;
_whitelisted[0xCDa9BFE9D578003E9dBDC90A5Dd1E9B0F52C01f6] = true;
_whitelisted[0x40428BdeDDb4FFc6124e1a96692968aB3e03F7d8] = true;
_whitelisted[0x83f81720e2cEf8e246a3c24dB897afEb48a978fa] = true;
_whitelisted[0x7FCA6E58FE281389901cA313Be31d0ba0c29c4cc] = true;
_whitelisted[0x4c9C3626Cf1828Da7b58a50DC2F6AA2C4546609e] = true;
_whitelisted[0xf30b321970b3a4BBA00d068284F9E4C09D2befE1] = true;
_whitelisted[0x66D45a58CF49f054938c0a288793c420Fe98bB04] = true;
_whitelisted[0xB4AAe67267a76c11F2A00Fe7304c6D716c2f65E5] = true;
_whitelisted[0x92b5a3f06fe24CeA07a6F92aA94F2994d481Afc8] = true;
_whitelisted[0x8dB7147b554B739058E74C01042d2aEA44505E2F] = true;
_whitelisted[0x2019E3f8b40B144ef1FBf92c4e36DF981F37ba2c] = true;
_whitelisted[0x8c3De1634251D1e51C28844391FC9c11abB9F5E4] = true;
_whitelisted[0x1De8EE475989A81a353ec6e4ea5a5C0aC60642d0] = true;
_whitelisted[0x29Bf6652e795C360f7605be0FcD8b8e4F29a52d4] = true;
_whitelisted[0x9Dd80697C85De40890D355a38cec7a8d3Dc9D71a] = true;
_whitelisted[0xa4D8e21f63E875C1B544d324908f5bABd4D1960D] = true;
_whitelisted[0x9d1b27796Adb236512D4bc0f26dE4C12dFde37d0] = true;
_whitelisted[0xce3e142Bc70F5a0f674A2ef5649b3248842cf1A5] = true;
_whitelisted[0xBE719b05B4dBF02ed9555ef92d36d746312403AE] = true;
_whitelisted[0x65a7C3Cb6d1C3cEf361063C57936d9d4c9D7bCAB] = true;
_whitelisted[0x2019E3f8b40B144ef1FBf92c4e36DF981F37ba2c] = true;
_whitelisted[0x8EDAB1576B34b0BFdcdF4F368eFDE5200ff6F4e8] = true;
_whitelisted[0x77543419f10E8C04BcAF826C2dB9C3bEDDEfBa40] = true;
_whitelisted[0x05FB3770CA63ECEE9C5a6874254022820DbEf944] = true;
_legacy = true;
return true;
}
function finalize() external returns (bool) {
require(_isOver(),
"error: must be over");
require(_isLocked(),
"error: must be locked");
_vault();
_destroy();
emit Finalized(_time());
return true;
}
function getLaunch() public view returns (uint256) {
return _launch;
}
function getOver() public view returns (uint256) {
return _over;
}
function getFunds() public view returns (uint256) {
return _funds;
}
function getContribution(address contributor) public view returns (uint256) {
return _contributions[contributor];
}
function getContributionBonus(address contributor) public view returns (uint8) {
if (_isWhitelisted(contributor)) { return _LOYALTY_PERCENT; } else { return 0; }
}
function getContributionCeiling(address contributor) public view returns (uint256) {
if (_isWhitelisted(contributor)) {
return _MAX_CONTRIBUTION_FIRST_MOVER_STAGE_WHITELISTED;
} else {
return _MAX_CONTRIBUTION_FIRST_MOVER_STAGE_NOT_WHITELISTED;
}
}
function _calculateRates() private returns (bool) {
require(_isNotConfigured(),
"error: must not be configured");
_rr = (_tokens.sub(_buffer)).div(_TOTAL_CEILING);
_fr = (_rr.mul(_MULTIPLIER)).div(_DENOMINATOR);
Configured(_fr, _rr);
return true;
}
function _contribute() private returns (bool) {
address contributor = _msgSender();
uint256 contribution = msg.value;
require(_checkContribution(contribution),
"error: must comply with contribution requirements");
uint256 contributorCeiling = getContributionCeiling(contributor);
uint256 contributorBonus = getContributionBonus(contributor);
uint256 processedContribution;
uint256 excessContribution;
uint256 tokens;
uint256 bonus;
if (_isFirstMover()) {
require(_isWithinCeiling(contributor, contribution, contributorCeiling),
"error: contribution must not exceed contributor ceiling");
processedContribution = _FIRST_CEILING.sub(getFunds());
if (_isExcessive(contribution, processedContribution)) {
excessContribution = contribution.sub(processedContribution);
tokens = (processedContribution.mul(_fr)).add(excessContribution.mul(_rr));
if (contributorBonus > 0) {
bonus = (tokens.mul(contributorBonus)).div(_DENOMINATOR);
tokens = tokens.add(bonus);
}
require(_token.transfer(contributor, tokens),
"error: must be transferable");
_funds = _funds.add(contribution);
_contributions[contributor] = _getContribution(contributor).add(contribution);
_tokens = _tokens.sub(tokens);
emit Contributed(contributor, processedContribution);
return true;
} else {
tokens = (contribution.mul(_fr));
if (contributorBonus > 0) {
bonus = (tokens.mul(contributorBonus)).div(_DENOMINATOR);
tokens = tokens.add(bonus);
}
require(_token.transfer(contributor, tokens),
"error: must be transferable");
_funds = _funds.add(contribution);
_contributions[contributor] = _getContribution(contributor).add(contribution);
_tokens = _tokens.sub(tokens);
emit Contributed(contributor, processedContribution);
return true;
}
} else {
tokens = contribution.mul(_rr);
processedContribution = _TOTAL_CEILING.sub(getFunds());
if (_isExcessive(contribution, processedContribution)) {
excessContribution = contribution.sub(processedContribution);
processedContribution = contribution.sub(excessContribution);
tokens = processedContribution.mul(_rr);
if (contributorBonus > 0) {
bonus = (tokens.mul(contributorBonus)).div(_DENOMINATOR);
tokens = tokens.add(bonus);
if (_isExcessive(tokens, _tokens)) {
uint256 excessTokens = tokens.sub(_tokens);
uint256 excessETH = (excessTokens.sub((excessTokens.mul(contributorBonus)).div(_DENOMINATOR))).div(_rr);
excessContribution = excessContribution.add(excessETH);
processedContribution = processedContribution.sub(excessETH);
tokens = _tokens;
}
}
_msgSender().transfer(excessContribution);
require(_token.transfer(contributor, tokens),
"error: must be transferable");
_funds = _funds.add(processedContribution);
_tokens = _tokens.sub(tokens);
_contributions[contributor] = _getContribution(contributor).add(processedContribution);
emit Contributed(contributor, processedContribution);
return true;
}
if (contributorBonus > 0) {
bonus = (tokens.mul(contributorBonus)).div(_DENOMINATOR);
tokens = tokens.add(bonus);
}
require(_token.transfer(contributor, tokens),
"error: must be transferable");
_funds = _funds.add(contribution);
_tokens = _tokens.sub(tokens);
_contributions[contributor] = _getContribution(contributor).add(contribution);
emit Contributed(contributor, contribution);
return true;
}
}
function _vault() private returns (bool) {
_wallet.transfer(_environment().balance);
return true;
}
function _destroy() private returns (bool) {
uint256 amount = _token.balanceOf(_environment());
_token.burn(amount);
emit Destroyed(amount);
return true;
}
function _checkContribution(uint256 amount) private view returns (bool) {
require(_isLaunched(),
"error: must be launched");
require(_isActive(),
"error: must be active");
require(amount >= _MIN_CONTRIBUTION,
"error: must be more or equal to the minimum contribution");
require(getFunds() < _TOTAL_CEILING,
"error: must not have reached maximum funds");
return true;
}
function _isLaunched() private view returns (bool) {
if (getLaunch() > 0) { return true; } else { return false; }
}
function _isNotConfigured() private view returns (bool) {
if (_fr == 0 && _rr == 0) { return true; } else { return false; }
}
function _isActive() private view returns (bool) {
if (getOver() > _time() || getFunds() < _TOTAL_CEILING) { return true; } else { return false; }
}
function _isFirstMover() private view returns (bool) {
if (getFunds() < _FIRST_CEILING) { return true; } else { return false; }
}
function _isExcessive(uint256 amount, uint256 ceiling) private pure returns (bool) {
if (amount > ceiling) { return true; } else { return false; }
}
function _isWhitelisted(address contributor) private view returns (bool) {
if (_whitelisted[contributor]) { return true; } else { return false; }
}
function _isWithinCeiling(address contributor, uint256 amount, uint256 ceiling) private view returns (bool) {
if (_contributions[contributor].add(amount) <= ceiling) { return true; } else { return false; }
}
function _getContribution(address contributor) private view returns (uint256) {
return _contributions[contributor];
}
function _isOver() private view returns (bool) {
if (getOver() <= _time() || getFunds() >= _TOTAL_CEILING || _tokens == 0) { return true; } else { return false; }
}
function _isLocked() private view returns (bool) {
return _locked;
}
function _environment() private view returns (address) {
return address(this);
}
function _time() private view returns (uint256) {
return block.timestamp;
}
}