Contract Source Code:
File 1 of 1 : Token
pragma solidity ^0.5.0;
library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
}
contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @return the address of the owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner());
_;
}
/**
* @return true if `msg.sender` is the owner of the contract.
*/
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
interface IERC20 {
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* 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
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
_burn(account, value);
emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}
}
contract ERC20Burnable is ERC20 {
/**
* @dev Burns a specific amount of tokens.
* @param value The amount of token to be burned.
*/
function burn(uint256 value) public {
_burn(msg.sender, value);
}
/**
* @dev Burns a specific amount of tokens from the target address and decrements allowance
* @param from address The address which you want to send tokens from
* @param value uint256 The amount of token to be burned
*/
function burnFrom(address from, uint256 value) public {
_burnFrom(from, value);
}
}
contract PauserRole {
using Roles for Roles.Role;
event PauserAdded(address indexed account);
event PauserRemoved(address indexed account);
Roles.Role private _pausers;
constructor () internal {
_addPauser(msg.sender);
}
modifier onlyPauser() {
require(isPauser(msg.sender));
_;
}
function isPauser(address account) public view returns (bool) {
return _pausers.has(account);
}
function addPauser(address account) public onlyPauser {
_addPauser(account);
}
function renouncePauser() public {
_removePauser(msg.sender);
}
function _addPauser(address account) internal {
_pausers.add(account);
emit PauserAdded(account);
}
function _removePauser(address account) internal {
_pausers.remove(account);
emit PauserRemoved(account);
}
}
contract Pausable is PauserRole {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor () internal {
_paused = false;
}
/**
* @return true if the contract is paused, false otherwise.
*/
function paused() public view returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!_paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(_paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
}
contract ERC20Pausable is ERC20, Pausable {
function transfer(address to, uint256 value) public whenNotPaused returns (bool) {
return super.transfer(to, value);
}
function transferFrom(address from, address to, uint256 value) public whenNotPaused returns (bool) {
return super.transferFrom(from, to, value);
}
function approve(address spender, uint256 value) public whenNotPaused returns (bool) {
return super.approve(spender, value);
}
function increaseAllowance(address spender, uint addedValue) public whenNotPaused returns (bool success) {
return super.increaseAllowance(spender, addedValue);
}
function decreaseAllowance(address spender, uint subtractedValue) public whenNotPaused returns (bool success) {
return super.decreaseAllowance(spender, subtractedValue);
}
}
contract MintableAndPausableToken is ERC20Pausable, Ownable {
uint8 public constant decimals = 18;
uint256 public maxTokenSupply = 183500000 * 10 ** uint256(decimals);
bool public mintingFinished = false;
event Mint(address indexed to, uint256 amount);
event MintFinished();
event MintStarted();
modifier canMint() {
require(!mintingFinished);
_;
}
modifier checkMaxSupply(uint256 _amount) {
require(maxTokenSupply >= totalSupply().add(_amount));
_;
}
modifier cannotMint() {
require(mintingFinished);
_;
}
function mint(address _to, uint256 _amount)
external
onlyOwner
canMint
checkMaxSupply (_amount)
whenNotPaused
returns (bool)
{
super._mint(_to, _amount);
return true;
}
function _mint(address _to, uint256 _amount)
internal
canMint
checkMaxSupply (_amount)
{
super._mint(_to, _amount);
}
function finishMinting() external onlyOwner canMint returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
function startMinting() external onlyOwner cannotMint returns (bool) {
mintingFinished = false;
emit MintStarted();
return true;
}
}
/**
* Token upgrader interface inspired by Lunyr.
*
* Token upgrader transfers previous version tokens to a newer version.
* Token upgrader itself can be the token contract, or just a middle man contract doing the heavy lifting.
*/
contract TokenUpgrader {
uint public originalSupply;
/** Interface marker */
function isTokenUpgrader() external pure returns (bool) {
return true;
}
function upgradeFrom(address _from, uint256 _value) public;
}
contract UpgradeableToken is MintableAndPausableToken {
// Contract or person who can set the upgrade path.
address public upgradeMaster;
// Bollean value needs to be true to start upgrades
bool private upgradesAllowed;
// The next contract where the tokens will be migrated.
TokenUpgrader public tokenUpgrader;
// How many tokens we have upgraded by now.
uint public totalUpgraded;
/**
* Upgrade states.
* - NotAllowed: The child contract has not reached a condition where the upgrade can begin
* - Waiting: Token allows upgrade, but we don't have a new token version
* - ReadyToUpgrade: The token version is set, but not a single token has been upgraded yet
* - Upgrading: Token upgrader is set and the balance holders can upgrade their tokens
*/
enum UpgradeState { NotAllowed, Waiting, ReadyToUpgrade, Upgrading }
// Somebody has upgraded some of his tokens.
event Upgrade(address indexed _from, address indexed _to, uint256 _value);
// New token version available.
event TokenUpgraderIsSet(address _newToken);
modifier onlyUpgradeMaster {
// Only a master can designate the next token
require(msg.sender == upgradeMaster);
_;
}
modifier notInUpgradingState {
// Upgrade has already begun for token
require(getUpgradeState() != UpgradeState.Upgrading);
_;
}
// Do not allow construction without upgrade master set.
constructor(address _upgradeMaster) public {
upgradeMaster = _upgradeMaster;
}
// set a token upgrader
function setTokenUpgrader(address _newToken)
external
onlyUpgradeMaster
notInUpgradingState
{
require(canUpgrade());
require(_newToken != address(0));
tokenUpgrader = TokenUpgrader(_newToken);
// Handle bad interface
require(tokenUpgrader.isTokenUpgrader());
// Make sure that token supplies match in source and target
require(tokenUpgrader.originalSupply() == totalSupply());
emit TokenUpgraderIsSet(address(tokenUpgrader));
}
// Allow the token holder to upgrade some of their tokens to a new contract.
function upgrade(uint _value) external {
UpgradeState state = getUpgradeState();
// Check upgrate state
require(state == UpgradeState.ReadyToUpgrade || state == UpgradeState.Upgrading);
// Validate input value
require(_value != 0);
//balances[msg.sender] = balances[msg.sender].sub(_value);
// Take tokens out from circulation
//totalSupply_ = totalSupply_.sub(_value);
//the _burn method emits the Transfer event
_burn(msg.sender, _value);
totalUpgraded = totalUpgraded.add(_value);
// Token Upgrader reissues the tokens
tokenUpgrader.upgradeFrom(msg.sender, _value);
emit Upgrade(msg.sender, address(tokenUpgrader), _value);
}
/**
* Change the upgrade master.
* This allows us to set a new owner for the upgrade mechanism.
*/
function setUpgradeMaster(address _newMaster) external onlyUpgradeMaster {
require(_newMaster != address(0));
upgradeMaster = _newMaster;
}
// To be overriden to add functionality
function allowUpgrades() external onlyUpgradeMaster () {
upgradesAllowed = true;
}
// To be overriden to add functionality
function rejectUpgrades() external onlyUpgradeMaster () {
require(!(totalUpgraded > 0));
upgradesAllowed = false;
}
// Get the state of the token upgrade.
function getUpgradeState() public view returns(UpgradeState) {
if (!canUpgrade()) return UpgradeState.NotAllowed;
else if (address(tokenUpgrader) == address(0)) return UpgradeState.Waiting;
else if (totalUpgraded == 0) return UpgradeState.ReadyToUpgrade;
else return UpgradeState.Upgrading;
}
// To be overriden to add functionality
function canUpgrade() public view returns(bool) {
return upgradesAllowed;
}
}
contract Token is UpgradeableToken, ERC20Burnable {
string public name;
string public symbol;
// For patient incentive programs
uint256 public INITIAL_SUPPLY;
uint256 public hodlPremiumCap;
uint256 public hodlPremiumMinted;
// After 180 days you get a constant maximum bonus of 25% of tokens transferred
// Before that it is spread out linearly(from 0% to 25%) starting from the
// contribution time till 180 days after that
uint256 constant maxBonusDuration = 180 days;
struct Bonus {
uint256 hodlTokens;
uint256 contributionTime;
uint256 buybackTokens;
}
mapping( address => Bonus ) public hodlPremium;
IERC20 stablecoin;
address stablecoinPayer;
uint256 public signupWindowStart;
uint256 public signupWindowEnd;
uint256 public refundWindowStart;
uint256 public refundWindowEnd;
event UpdatedTokenInformation(string newName, string newSymbol);
event HodlPremiumSet(address beneficiary, uint256 tokens, uint256 contributionTime);
event HodlPremiumCapSet(uint256 newhodlPremiumCap);
event RegisteredForRefund( address holder, uint256 tokens );
constructor (address _litWallet, address _upgradeMaster, uint256 _INITIAL_SUPPLY, uint256 _hodlPremiumCap)
public
UpgradeableToken(_upgradeMaster)
Ownable()
{
require(maxTokenSupply >= _INITIAL_SUPPLY.mul(10 ** uint256(decimals)));
INITIAL_SUPPLY = _INITIAL_SUPPLY.mul(10 ** uint256(decimals));
setHodlPremiumCap(_hodlPremiumCap) ;
_mint(_litWallet, INITIAL_SUPPLY);
}
/**
* Owner can update token information here
*/
function setTokenInformation(string calldata _name, string calldata _symbol) external onlyOwner {
name = _name;
symbol = _symbol;
emit UpdatedTokenInformation(name, symbol);
}
function setRefundSignupDetails( uint256 _startTime, uint256 _endTime, ERC20 _stablecoin, address _payer ) public onlyOwner {
require( _startTime < _endTime );
stablecoin = _stablecoin;
stablecoinPayer = _payer;
signupWindowStart = _startTime;
signupWindowEnd = _endTime;
refundWindowStart = signupWindowStart + 182 days;
refundWindowEnd = signupWindowEnd + 182 days;
require( refundWindowStart > signupWindowEnd);
}
function signUpForRefund( uint256 _value ) public {
require( hodlPremium[msg.sender].hodlTokens != 0 || hodlPremium[msg.sender].buybackTokens != 0, "You must be ICO user to sign up" ); //the user was registered in ICO
require( block.timestamp >= signupWindowStart&& block.timestamp <= signupWindowEnd, "Cannot sign up at this time" );
uint256 value = _value;
value = value.add(hodlPremium[msg.sender].buybackTokens);
if( value > balanceOf(msg.sender)) //cannot register more than he or she has; since refund has to happen while token is paused, we don't need to check anything else
value = balanceOf(msg.sender);
hodlPremium[ msg.sender].buybackTokens = value;
//buyback cancels hodl highway
if( hodlPremium[msg.sender].hodlTokens > 0 ){
hodlPremium[msg.sender].hodlTokens = 0;
emit HodlPremiumSet( msg.sender, 0, hodlPremium[msg.sender].contributionTime );
}
emit RegisteredForRefund(msg.sender, value);
}
function refund( uint256 _value ) public {
require( block.timestamp >= refundWindowStart && block.timestamp <= refundWindowEnd, "cannot refund now" );
require( hodlPremium[msg.sender].buybackTokens >= _value, "not enough tokens in refund program" );
require( balanceOf(msg.sender) >= _value, "not enough tokens" ); //this check is probably redundant to those in _burn, but better check twice
hodlPremium[msg.sender].buybackTokens = hodlPremium[msg.sender].buybackTokens.sub(_value);
_burn( msg.sender, _value );
require( stablecoin.transferFrom( stablecoinPayer, msg.sender, _value.div(20) ), "transfer failed" ); //we pay 1/20 = 0.05 DAI for 1 LIT
}
function setHodlPremiumCap(uint256 newhodlPremiumCap) public onlyOwner {
require(newhodlPremiumCap > 0);
hodlPremiumCap = newhodlPremiumCap;
emit HodlPremiumCapSet(hodlPremiumCap);
}
/**
* Owner can burn token here
*/
function burn(uint256 _value) public onlyOwner {
super.burn(_value);
}
function sethodlPremium(
address beneficiary,
uint256 value,
uint256 contributionTime
)
public
onlyOwner
returns (bool)
{
require(beneficiary != address(0) && value > 0 && contributionTime > 0, "Not eligible for HODL Premium");
if (hodlPremium[beneficiary].hodlTokens != 0) {
hodlPremium[beneficiary].hodlTokens = hodlPremium[beneficiary].hodlTokens.add(value);
emit HodlPremiumSet(beneficiary, hodlPremium[beneficiary].hodlTokens, hodlPremium[beneficiary].contributionTime);
} else {
hodlPremium[beneficiary] = Bonus(value, contributionTime, 0);
emit HodlPremiumSet(beneficiary, value, contributionTime);
}
return true;
}
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
require(_to != address(0));
require(_value <= balanceOf(msg.sender));
if (hodlPremiumMinted < hodlPremiumCap && hodlPremium[msg.sender].hodlTokens > 0) {
uint256 amountForBonusCalculation = calculateAmountForBonus(msg.sender, _value);
uint256 bonus = calculateBonus(msg.sender, amountForBonusCalculation);
//subtract the tokens token into account here to avoid the above calculations in the future, e.g. in case I withdraw everything in 0 days (bonus 0), and then refund, I shall not be eligible for any bonuses
hodlPremium[msg.sender].hodlTokens = hodlPremium[msg.sender].hodlTokens.sub(amountForBonusCalculation);
if ( bonus > 0) {
//balances[msg.sender] = balances[msg.sender].add(bonus);
_mint( msg.sender, bonus );
//emit Transfer(address(0), msg.sender, bonus);
}
}
ERC20Pausable.transfer( _to, _value );
// balances[msg.sender] = balances[msg.sender].sub(_value);
// balances[_to] = balances[_to].add(_value);
// emit Transfer(msg.sender, _to, _value);
//TODO: optimize to avoid setting values outside of buyback window
if( balanceOf(msg.sender) < hodlPremium[msg.sender].buybackTokens )
hodlPremium[msg.sender].buybackTokens = balanceOf(msg.sender);
return true;
}
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
whenNotPaused
returns (bool)
{
require(_to != address(0));
if (hodlPremiumMinted < hodlPremiumCap && hodlPremium[_from].hodlTokens > 0) {
uint256 amountForBonusCalculation = calculateAmountForBonus(_from, _value);
uint256 bonus = calculateBonus(_from, amountForBonusCalculation);
//subtract the tokens token into account here to avoid the above calculations in the future, e.g. in case I withdraw everything in 0 days (bonus 0), and then refund, I shall not be eligible for any bonuses
hodlPremium[_from].hodlTokens = hodlPremium[_from].hodlTokens.sub(amountForBonusCalculation);
if ( bonus > 0) {
//balances[_from] = balances[_from].add(bonus);
_mint( _from, bonus );
//emit Transfer(address(0), _from, bonus);
}
}
ERC20Pausable.transferFrom( _from, _to, _value);
if( balanceOf(_from) < hodlPremium[_from].buybackTokens )
hodlPremium[_from].buybackTokens = balanceOf(_from);
return true;
}
function calculateBonus(address beneficiary, uint256 amount) internal returns (uint256) {
uint256 bonusAmount;
uint256 contributionTime = hodlPremium[beneficiary].contributionTime;
uint256 bonusPeriod;
if (now <= contributionTime) {
bonusPeriod = 0;
} else if (now.sub(contributionTime) >= maxBonusDuration) {
bonusPeriod = maxBonusDuration;
} else {
bonusPeriod = now.sub(contributionTime);
}
if (bonusPeriod != 0) {
bonusAmount = (((bonusPeriod.mul(amount)).div(maxBonusDuration)).mul(25)).div(100);
if (hodlPremiumMinted.add(bonusAmount) > hodlPremiumCap) {
bonusAmount = hodlPremiumCap.sub(hodlPremiumMinted);
hodlPremiumMinted = hodlPremiumCap;
} else {
hodlPremiumMinted = hodlPremiumMinted.add(bonusAmount);
}
if( totalSupply().add(bonusAmount) > maxTokenSupply )
bonusAmount = maxTokenSupply.sub(totalSupply());
}
return bonusAmount;
}
function calculateAmountForBonus(address beneficiary, uint256 _value) internal view returns (uint256) {
uint256 amountForBonusCalculation;
if(_value >= hodlPremium[beneficiary].hodlTokens) {
amountForBonusCalculation = hodlPremium[beneficiary].hodlTokens;
} else {
amountForBonusCalculation = _value;
}
return amountForBonusCalculation;
}
}
contract TestToken is ERC20{
constructor ( uint256 _balance)public {
_mint(msg.sender, _balance);
}
}