pragma solidity ^0.4.18; contract Ownable { address public owner; function Ownable() public { owner = msg.sender; } modifier onlyOwner() { require(msg.sender == owner); _; } } contract ISStop is Ownable { bool public stopped; modifier stoppable { assert (!stopped); _; } function stop() public onlyOwner { stopped = true; } function start() public onlyOwner { stopped = false; } } contract 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); 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); } 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 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 StandardToken is 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 view returns (uint256) { return allowed[_owner][_spender]; } function increaseApproval(address _spender, uint _addedValue) public returns (bool) { 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) { 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; } } contract InseeCoin is ISStop, StandardToken{ string public name = "Insee Coin"; uint8 public decimals = 18; string public symbol = "SEE"; string public version = "v0.1"; uint256 public initialAmount = (10 ** 10) * (10 ** 18); event Destroy(address from, uint value); function InseeCoin() public { balances[msg.sender] = initialAmount; totalSupply_ = initialAmount; } function transfer(address dst, uint wad) public stoppable returns (bool) { return super.transfer(dst, wad); } function transferFrom(address src, address dst, uint wad) public stoppable returns (bool) { return super.transferFrom(src, dst, wad); } function approve(address guy, uint wad) public stoppable returns (bool) { return super.approve(guy, wad); } function destroy(uint256 _amount) external onlyOwner stoppable returns (bool success){ require(balances[msg.sender] >= _amount); balances[msg.sender] = balances[msg.sender].sub(_amount); totalSupply_ = totalSupply_.sub(_amount); emit Destroy(msg.sender, _amount); return true; } function setName(string name_) public onlyOwner{ name = name_; } } contract TokenLock { using SafeMath for uint256; InseeCoin public ISC; uint256 private nextLockID = 0; mapping (uint256 => TokenTimeLockInfo) public locks; struct TokenTimeLockInfo { address beneficiary; uint256 amount; uint256 unlockTime; } event Lock (uint256 indexed id, address indexed beneficiary,uint256 amount, uint256 lockTime); event Unlock (uint256 indexed id, address indexed beneficiary,uint256 amount, uint256 unlockTime); function TokenLock(InseeCoin isc) public { assert(address(isc) != address(0)); ISC = isc; } function lock ( address _beneficiary, uint256 _amount, uint256 _lockTime) public returns (uint256) { require (_amount > 0); require (_lockTime > 0); nextLockID = nextLockID.add(1); uint256 id = nextLockID; TokenTimeLockInfo storage lockInfo = locks [id]; require (lockInfo.beneficiary == 0x0); require (lockInfo.amount == 0); require (lockInfo.unlockTime == 0); lockInfo.beneficiary = _beneficiary; lockInfo.amount = _amount; lockInfo.unlockTime = now.add(_lockTime); emit Lock (id, _beneficiary, _amount, _lockTime); require (ISC.transferFrom (msg.sender, this, _amount)); return id; } function unlock (uint256 _id) public { TokenTimeLockInfo memory lockInfo = locks [_id]; delete locks [_id]; require (lockInfo.amount > 0); require (lockInfo.unlockTime <= block.timestamp); emit Unlock (_id, lockInfo.beneficiary, lockInfo.amount, lockInfo.unlockTime); require ( ISC.transfer ( lockInfo.beneficiary, lockInfo.amount)); } }