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pragma solidity 0.4.23;
library SafeMath {
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;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
library SafeERC20 {
function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
assert(token.transfer(to, value));
}
function safeTransferFrom(ERC20 token, address from, address to, uint256 value) internal {
assert(token.transferFrom(from, to, value));
}
function safeApprove(ERC20 token, address spender, uint256 value) internal {
assert(token.approve(spender, value));
}
}
contract TokenTimelock {
using SafeERC20 for ERC20Basic;
ERC20Basic public token;
address public beneficiary;
uint64 public releaseTime;
constructor(ERC20Basic _token, address _beneficiary, uint64 _releaseTime) public {
require(_releaseTime > uint64(block.timestamp));
token = _token;
beneficiary = _beneficiary;
releaseTime = _releaseTime;
}
function release() public {
require(uint64(block.timestamp) >= releaseTime);
uint256 amount = token.balanceOf(this);
require(amount > 0);
token.safeTransfer(beneficiary, amount);
}
}
contract Owned {
address public owner;
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
}
contract ReferralDiscountToken is StandardToken, Owned {
mapping(address => address) referrerOf;
address[] ownersIndex;
event Referral(address indexed referred, address indexed referrer);
function referralDiscountPercentage(address _owner) public view returns (uint256 percent) {
uint256 total = 0;
if(referrerOf[_owner] != address(0)) {
total = total.add(10);
}
for(uint256 i = 0; i < ownersIndex.length; i++) {
if(referrerOf[ownersIndex[i]] == _owner) {
total = total.add(10);
}
}
return total;
}
function setReferrer(address _referred, address _referrer) onlyOwner public returns (bool success) {
require(_referrer != address(0));
require(_referrer != address(_referred));
require(referrerOf[_referred] == address(0));
ownersIndex.push(_referred);
referrerOf[_referred] = _referrer;
emit Referral(_referred, _referrer);
return true;
}
}
contract NaorisToken is ReferralDiscountToken {
string public constant name = "NaorisToken";
string public constant symbol = "NAO";
uint256 public constant decimals = 18;
address public saleTeamAddress;
address public referalAirdropsTokensAddress;
address public reserveFundAddress;
address public thinkTankFundAddress;
address public lockedBoardBonusAddress;
address public treasuryTimelockAddress;
bool public tokenSaleClosed = false;
uint64 date01May2019 = 1556668800;
uint256 public constant TOKENS_HARD_CAP = 400000000 * 10 ** decimals;
uint256 public constant TOKENS_SALE_HARD_CAP = 300000000 * 10 ** decimals;
uint256 public constant REFERRAL_TOKENS = 10000000 * 10 ** decimals;
uint256 public constant AIRDROP_TOKENS = 10000000 * 10 ** decimals;
uint256 public constant THINK_TANK_FUND_TOKENS = 40000000 * 10 ** decimals;
uint256 public constant NAORIS_TEAM_TOKENS = 20000000 * 10 ** decimals;
uint256 public constant LOCKED_BOARD_BONUS_TOKENS = 20000000 * 10 ** decimals;
modifier onlyTeam {
assert(msg.sender == saleTeamAddress || msg.sender == owner);
_;
}
modifier beforeEnd {
assert(!tokenSaleClosed);
_;
}
constructor(address _saleTeamAddress, address _referalAirdropsTokensAddress, address _reserveFundAddress,
address _thinkTankFundAddress, address _lockedBoardBonusAddress) public {
require(_saleTeamAddress != address(0));
require(_referalAirdropsTokensAddress != address(0));
require(_reserveFundAddress != address(0));
require(_thinkTankFundAddress != address(0));
require(_lockedBoardBonusAddress != address(0));
saleTeamAddress = _saleTeamAddress;
referalAirdropsTokensAddress = _referalAirdropsTokensAddress;
reserveFundAddress = _reserveFundAddress;
thinkTankFundAddress = _thinkTankFundAddress;
lockedBoardBonusAddress = _lockedBoardBonusAddress;
balances[saleTeamAddress] = TOKENS_SALE_HARD_CAP;
totalSupply_ = TOKENS_SALE_HARD_CAP;
emit Transfer(0x0, saleTeamAddress, TOKENS_SALE_HARD_CAP);
balances[referalAirdropsTokensAddress] = REFERRAL_TOKENS;
totalSupply_ = totalSupply_.add(REFERRAL_TOKENS);
emit Transfer(0x0, referalAirdropsTokensAddress, REFERRAL_TOKENS);
balances[referalAirdropsTokensAddress] = balances[referalAirdropsTokensAddress].add(AIRDROP_TOKENS);
totalSupply_ = totalSupply_.add(AIRDROP_TOKENS);
emit Transfer(0x0, referalAirdropsTokensAddress, AIRDROP_TOKENS);
}
function close() public onlyTeam beforeEnd {
uint256 unsoldSaleTokens = balances[saleTeamAddress];
if(unsoldSaleTokens > 0) {
balances[saleTeamAddress] = 0;
totalSupply_ = totalSupply_.sub(unsoldSaleTokens);
emit Transfer(saleTeamAddress, 0x0, unsoldSaleTokens);
}
uint256 unspentReferalAirdropTokens = balances[referalAirdropsTokensAddress];
if(unspentReferalAirdropTokens > 0) {
balances[referalAirdropsTokensAddress] = 0;
balances[reserveFundAddress] = balances[reserveFundAddress].add(unspentReferalAirdropTokens);
emit Transfer(referalAirdropsTokensAddress, reserveFundAddress, unspentReferalAirdropTokens);
}
balances[thinkTankFundAddress] = balances[thinkTankFundAddress].add(THINK_TANK_FUND_TOKENS);
totalSupply_ = totalSupply_.add(THINK_TANK_FUND_TOKENS);
emit Transfer(0x0, thinkTankFundAddress, THINK_TANK_FUND_TOKENS);
balances[owner] = balances[owner].add(NAORIS_TEAM_TOKENS);
totalSupply_ = totalSupply_.add(NAORIS_TEAM_TOKENS);
emit Transfer(0x0, owner, NAORIS_TEAM_TOKENS);
TokenTimelock lockedTreasuryTokens = new TokenTimelock(this, lockedBoardBonusAddress, date01May2019);
treasuryTimelockAddress = address(lockedTreasuryTokens);
balances[treasuryTimelockAddress] = balances[treasuryTimelockAddress].add(LOCKED_BOARD_BONUS_TOKENS);
totalSupply_ = totalSupply_.add(LOCKED_BOARD_BONUS_TOKENS);
emit Transfer(0x0, treasuryTimelockAddress, LOCKED_BOARD_BONUS_TOKENS);
require(totalSupply_ <= TOKENS_HARD_CAP);
tokenSaleClosed = true;
}
function tokenDiscountPercentage(address _owner) public view returns (uint256 percent) {
if(balanceOf(_owner) >= 1000000 * 10**decimals) {
return 50;
} else if(balanceOf(_owner) >= 500000 * 10**decimals) {
return 30;
} else if(balanceOf(_owner) >= 250000 * 10**decimals) {
return 25;
} else if(balanceOf(_owner) >= 100000 * 10**decimals) {
return 20;
} else if(balanceOf(_owner) >= 50000 * 10**decimals) {
return 15;
} else if(balanceOf(_owner) >= 10000 * 10**decimals) {
return 10;
} else if(balanceOf(_owner) >= 1000 * 10**decimals) {
return 5;
} else {
return 0;
}
}
function getTotalDiscount(address _owner) public view returns (uint256 percent) {
uint256 total = 0;
total += tokenDiscountPercentage(_owner);
total += referralDiscountPercentage(_owner);
return (total > 60) ? 60 : total;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
if(tokenSaleClosed) {
return super.transferFrom(_from, _to, _value);
}
return false;
}
function transfer(address _to, uint256 _value) public returns (bool) {
if(tokenSaleClosed || msg.sender == referalAirdropsTokensAddress
|| msg.sender == saleTeamAddress) {
return super.transfer(_to, _value);
}
return false;
}
} |