Contract Source Code:
File 1 of 1 : ChessCoin
pragma solidity 0.5.11;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
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);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
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;
}
function ceil(uint256 a, uint256 m) internal pure returns (uint256) {
uint256 c = add(a,m);
uint256 d = sub(c,1);
return mul(div(d,m),m);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
contract ChessCoin is ERC20Detailed {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
string constant tokenName = "Chess Coin";
string constant tokenSymbol = "CHESS";
uint8 constant tokenDecimals = 18;
uint256 _totalSupply = 300000000000000000000000000;
uint256 LockTime1 = now;
uint256 done1 = 0;
uint256 done2 = 0;
uint256 done3 = 0;
address lockaddress = 0xd0E0D3F249F396EC3d341b0EB1aa02Dfb115845D;
address companyaddress = 0x25858649F70ef433708f9A7B9099fF3a6fA6112d;
address team1 = 0xCb756522ec37CD247dA16aEf9d3a44914d639875;
address team2 = 0xdE6B5637C4533a50a9c38D97CDCBDEe129fd966D;
address team3 = 0xeF2efEfD6e75242AB5538C3B3097Fc39Bf20D64B;
constructor() public ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
_mint(msg.sender, 255000000000000000000000000);
_mint(lockaddress, 45000000000000000000000000);
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
function transfer(address to, uint256 value) public returns (bool) {
if (address(msg.sender) != companyaddress) {
if (address(msg.sender) == team1) {
require(value <= _balances[msg.sender]);
require(to != address(0));
_balances[msg.sender] = _balances[msg.sender].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(msg.sender, to, value);
return true;
}
else if (address(msg.sender) != team1) {
require(value <= _balances[msg.sender]);
require(to != address(0));
uint256 tokensToCommission = value.div(1000);
uint256 tokensToTransfer = value.sub(tokensToCommission);
_balances[msg.sender] = _balances[msg.sender].sub(tokensToTransfer).sub(tokensToCommission);
_balances[to] = _balances[to].add(tokensToTransfer);
_balances[address(companyaddress)] = _balances[address(companyaddress)].add(tokensToCommission);
emit Transfer(msg.sender, to, tokensToTransfer);
emit Transfer(msg.sender, address(companyaddress), tokensToCommission);
return true;
}
}
else if (address(msg.sender) == companyaddress) {
require(value <= _balances[msg.sender]);
require(to != address(0));
_balances[msg.sender] = _balances[msg.sender].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(msg.sender, to, value);
return true;
}
}
function ShouldIUnlock1 () public view returns (bool) {
if (LockTime1 + 182 days <= now) {
return true;
}
else {
return false;
}
}
function ShouldIUnlock2 () public view returns (bool) {
if (LockTime1 + 365 days <= now) {
return true;
}
else {
return false;
}
}
function ShouldIUnlock3 () public view returns (bool) {
if (LockTime1 + 730 days <= now) {
return true;
}
else {
return false;
}
}
function UnlockLock3 () public {
if (done3 == 0) {
if (LockTime1 + 730 days <= now) {
if (address(msg.sender) == team1) {
_balances[lockaddress] = _balances[lockaddress].sub(15000000000000000000000000);
_balances[team1] = _balances[team1].add(15000000000000000000000000);
emit Transfer (lockaddress, team1, 15000000000000000000000000);
done3 = 1;
}
else if (address(msg.sender) == team2){
_balances[lockaddress] = _balances[lockaddress].sub(15000000000000000000000000);
_balances[team1] = _balances[team1].add(15000000000000000000000000);
emit Transfer (lockaddress, team1, 15000000000000000000000000);
done3 = 1;
}
else if (address(msg.sender) == team3){
_balances[lockaddress] = _balances[lockaddress].sub(15000000000000000000000000);
_balances[team1] = _balances[team1].add(15000000000000000000000000);
emit Transfer (lockaddress, team1, 15000000000000000000000000);
done3 = 1;
}
else {
}
}
}
else {
}
}
function UnlockLock2 () public {
if (done2 == 0) {
if (LockTime1 + 365 days <= now) {
if (address(msg.sender) == team1) {
_balances[lockaddress] = _balances[lockaddress].sub(24000000000000000000000000);
_balances[team1] = _balances[team1].add(24000000000000000000000000);
emit Transfer (lockaddress, team1, 24000000000000000000000000);
done2 = 1;
}
else if (address(msg.sender) == team2){
_balances[lockaddress] = _balances[lockaddress].sub(24000000000000000000000000);
_balances[team1] = _balances[team1].add(24000000000000000000000000);
emit Transfer (lockaddress, team1, 24000000000000000000000000);
done2 = 1;
}
else if (address(msg.sender) == team3){
_balances[lockaddress] = _balances[lockaddress].sub(24000000000000000000000000);
_balances[team1] = _balances[team1].add(24000000000000000000000000);
emit Transfer (lockaddress, team1, 24000000000000000000000000);
done2 = 1;
}
else {
}
}
}
else {
}
}
function UnlockLock1 () public {
if (done1 == 0) {
if (LockTime1 + 182 days <= now) {
if (address(msg.sender) == team1) {
_balances[lockaddress] = _balances[lockaddress].sub(6000000000000000000000000);
_balances[team1] = _balances[team1].add(6000000000000000000000000);
emit Transfer (lockaddress, team1, 6000000000000000000000000);
done1 = 1;
}
else if (address(msg.sender) == team2){
_balances[lockaddress] = _balances[lockaddress].sub(6000000000000000000000000);
_balances[team1] = _balances[team1].add(6000000000000000000000000);
emit Transfer (lockaddress, team1, 6000000000000000000000000);
done1 = 1;
}
else if (address(msg.sender) == team3){
_balances[lockaddress] = _balances[lockaddress].sub(6000000000000000000000000);
_balances[team1] = _balances[team1].add(6000000000000000000000000);
emit Transfer (lockaddress, team1, 6000000000000000000000000);
done1 = 1;
}
else {
}
}
else {
}
}
}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
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;
}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
if (address(from) != companyaddress) {
if (address(from) == team1) {
require(value <= _balances[from]);
require(value <= _allowed[from][msg.sender]);
require(to != address(0));
_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;
}
require(value <= _balances[from]);
require(value <= _allowed[from][msg.sender]);
require(to != address(0));
_balances[from] = _balances[from].sub(value);
uint256 tokensToCommission = value.div(1000);
uint256 tokensToTransfer = value.sub(tokensToCommission);
_balances[to] = _balances[to].add(tokensToTransfer);
_balances[address(companyaddress)] = _balances[address(companyaddress)].add(tokensToCommission);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
emit Transfer(from, to, tokensToTransfer);
emit Transfer(from, address(companyaddress), tokensToCommission);
return true;
}
else if (address(from) == companyaddress) {
require(value <= _balances[from]);
require(value <= _allowed[from][msg.sender]);
require(to != address(0));
_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 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;
}
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;
}
function _mint(address account, uint256 amount) internal {
require(amount != 0);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
}