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pragma solidity ^0.4.13;
contract ComplianceService {
function validate(address _from, address _to, uint256 _amount) public returns (bool allowed) {
return true;
}
}
contract ERC20 {
function balanceOf(address _owner) public constant returns (uint256 balance);
function transfer(address _to, uint256 _amount) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _amount) public returns (bool success);
function allowance(address _owner, address _spender) public constant returns (uint256 remaining);
function totalSupply() public constant returns (uint);
}
contract HardcodedWallets {
address public walletFounder1;
address public walletFounder2;
address public walletFounder3;
address public walletCommunityReserve;
address public walletCompanyReserve;
address public walletTeamAdvisors;
address public walletBountyProgram;
constructor() public {
walletFounder1 = 0x5E69332F57Ac45F5fCA43B6b007E8A7b138c2938;
walletFounder2 = 0x852f9a94a29d68CB95Bf39065BED6121ABf87607;
walletFounder3 = 0x0a339965e52dF2c6253989F5E9173f1F11842D83;
walletCommunityReserve = 0xB79116a062939534042d932fe5DF035E68576547;
walletCompanyReserve = 0xA6845689FE819f2f73a6b9C6B0D30aD6b4a006d8;
walletTeamAdvisors = 0x0227038b2560dF1abf3F8C906016Af0040bc894a;
walletBountyProgram = 0xdd401Df9a049F6788cA78b944c64D21760757D73;
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
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 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract System {
using SafeMath for uint256;
address owner;
modifier onlyOwner() {
if (msg.sender != owner) {
error('System: onlyOwner function called by user that is not owner');
} else {
_;
}
}
function error(string _error) internal {
revert(_error);
}
function whoAmI() public constant returns (address) {
return msg.sender;
}
function timestamp() public constant returns (uint256) {
return block.timestamp;
}
function contractBalance() public constant returns (uint256) {
return address(this).balance;
}
constructor() public {
owner = msg.sender;
if(owner == 0x0) error('System constructor: Owner address is 0x0');
}
event Error(string _error);
event DebugUint256(uint256 _data);
}
contract Escrow is System, HardcodedWallets {
using SafeMath for uint256;
mapping (address => uint256) public deposited;
uint256 nextStage;
address public addressSCICO;
address public addressSCTokens;
Tokens public SCTokens;
constructor() public {
uint256 totalSupply = 1350000000 ether;
deposited[this] = totalSupply.mul(50).div(100);
deposited[walletCommunityReserve] = totalSupply.mul(20).div(100);
deposited[walletCompanyReserve] = totalSupply.mul(14).div(100);
deposited[walletTeamAdvisors] = totalSupply.mul(15).div(100);
deposited[walletBountyProgram] = totalSupply.mul(1).div(100);
}
function deposit(uint256 _amount) public returns (bool) {
if (msg.sender != addressSCICO) {
error('Escrow: not allowed to deposit');
return false;
}
deposited[this] = deposited[this].add(_amount);
return true;
}
function withdraw(address _address, uint256 _amount) public onlyOwner returns (bool) {
if (deposited[_address]<_amount) {
error('Escrow: not enough balance');
return false;
}
deposited[_address] = deposited[_address].sub(_amount);
return SCTokens.transfer(_address, _amount);
}
function fundICO(uint256 _amount, uint8 _stage) public returns (bool) {
if(nextStage !=_stage) {
error('Escrow: ICO stage already funded');
return false;
}
if (msg.sender != addressSCICO || tx.origin != owner) {
error('Escrow: not allowed to fund the ICO');
return false;
}
if (deposited[this]<_amount) {
error('Escrow: not enough balance');
return false;
}
bool success = SCTokens.transfer(addressSCICO, _amount);
if(success) {
deposited[this] = deposited[this].sub(_amount);
nextStage++;
emit FundICO(addressSCICO, _amount);
}
return success;
}
function setMyICOContract(address _SCICO) public onlyOwner {
addressSCICO = _SCICO;
}
function setTokensContract(address _addressSCTokens) public onlyOwner {
addressSCTokens = _addressSCTokens;
SCTokens = Tokens(_addressSCTokens);
}
function balanceOf(address _address) public constant returns (uint256 balance) {
return deposited[_address];
}
event FundICO(address indexed _addressICO, uint256 _amount);
}
contract RefundVault is HardcodedWallets, System {
using SafeMath for uint256;
enum State { Active, Refunding, Closed }
mapping (address => uint256) public deposited;
mapping (address => uint256) public tokensAcquired;
State public state;
address public addressSCICO;
modifier onlyICOContract() {
if (msg.sender != addressSCICO) {
error('RefundVault: onlyICOContract function called by user that is not ICOContract');
} else {
_;
}
}
constructor() public {
state = State.Active;
}
function weisDeposited(address _investor) public constant returns (uint256) {
return deposited[_investor];
}
function getTokensAcquired(address _investor) public constant returns (uint256) {
return tokensAcquired[_investor];
}
function deposit(address _investor, uint256 _tokenAmount) onlyICOContract public payable returns (bool) {
if (state != State.Active) {
error('deposit: state != State.Active');
return false;
}
deposited[_investor] = deposited[_investor].add(msg.value);
tokensAcquired[_investor] = tokensAcquired[_investor].add(_tokenAmount);
return true;
}
function close() onlyICOContract public returns (bool) {
if (state != State.Active) {
error('close: state != State.Active');
return false;
}
state = State.Closed;
walletFounder1.transfer(address(this).balance.mul(33).div(100));
walletFounder2.transfer(address(this).balance.mul(50).div(100));
walletFounder3.transfer(address(this).balance);
emit Closed();
return true;
}
function enableRefunds() onlyICOContract public returns (bool) {
if (state != State.Active) {
error('enableRefunds: state != State.Active');
return false;
}
state = State.Refunding;
emit RefundsEnabled();
return true;
}
function refund(address _investor) onlyICOContract public returns (bool) {
if (state != State.Refunding) {
error('refund: state != State.Refunding');
return false;
}
if (deposited[_investor] == 0) {
error('refund: no deposit to refund');
return false;
}
uint256 depositedValue = deposited[_investor];
deposited[_investor] = 0;
tokensAcquired[_investor] = 0;
_investor.transfer(depositedValue);
emit Refunded(_investor, depositedValue);
return true;
}
function isRefunding() public constant returns (bool) {
return (state == State.Refunding);
}
function setMyICOContract(address _SCICO) public onlyOwner {
require(address(this).balance == 0);
addressSCICO = _SCICO;
}
event Closed();
event RefundsEnabled();
event Refunded(address indexed beneficiary, uint256 weiAmount);
}
contract Haltable is System {
bool public halted;
modifier stopInEmergency {
if (halted) {
error('Haltable: stopInEmergency function called and contract is halted');
} else {
_;
}
}
modifier onlyInEmergency {
if (!halted) {
error('Haltable: onlyInEmergency function called and contract is not halted');
} {
_;
}
}
function halt() external onlyOwner {
halted = true;
emit Halt(true, msg.sender, timestamp());
}
function unhalt() external onlyOwner onlyInEmergency {
halted = false;
emit Halt(false, msg.sender, timestamp());
}
event Halt(bool _switch, address _halter, uint256 _timestamp);
}
contract ICO is HardcodedWallets, Haltable {
Tokens public SCTokens;
RefundVault public SCRefundVault;
Whitelist public SCWhitelist;
Escrow public SCEscrow;
uint256 public startTime;
uint256 public endTime;
bool public isFinalized = false;
uint256 public weisPerBigToken;
uint256 public weisPerEther;
uint256 public tokensPerEther;
uint256 public bigTokensPerEther;
uint256 public weisRaised;
uint256 public etherHardCap;
uint256 public tokensHardCap;
uint256 public weisHardCap;
uint256 public weisMinInvestment;
uint256 public etherSoftCap;
uint256 public tokensSoftCap;
uint256 public weisSoftCap;
uint256 public discount;
uint256 discountedPricePercentage;
uint8 ICOStage;
function () payable public {
buyTokens();
}
function buyTokens() public stopInEmergency payable returns (bool) {
if (msg.value == 0) {
error('buyTokens: ZeroPurchase');
return false;
}
uint256 tokenAmount = buyTokensLowLevel(msg.sender, msg.value);
if (!SCRefundVault.deposit.value(msg.value)(msg.sender, tokenAmount)) {
revert('buyTokens: unable to transfer collected funds from ICO contract to Refund Vault');
}
emit BuyTokens(msg.sender, msg.value, tokenAmount);
return true;
}
function buyTokensLowLevel(address _beneficiary, uint256 _weisAmount) private stopInEmergency returns (uint256 tokenAmount) {
if (_beneficiary == 0x0) {
revert('buyTokensLowLevel: _beneficiary == 0x0');
}
if (timestamp() < startTime || timestamp() > endTime) {
revert('buyTokensLowLevel: Not withinPeriod');
}
if (!SCWhitelist.isInvestor(_beneficiary)) {
revert('buyTokensLowLevel: Investor is not registered on the whitelist');
}
if (isFinalized) {
revert('buyTokensLowLevel: ICO is already finalized');
}
if (_weisAmount < weisMinInvestment) {
revert('buyTokensLowLevel: Minimal investment not reached. Not enough ethers to perform the minimal purchase');
}
if (weisRaised.add(_weisAmount) > weisHardCap) {
revert('buyTokensLowLevel: HardCap reached. Not enough tokens on ICO contract to perform this purchase');
}
tokenAmount = _weisAmount.mul(weisPerEther).div(weisPerBigToken);
tokenAmount = tokenAmount.mul(100).div(discountedPricePercentage);
weisRaised = weisRaised.add(_weisAmount);
if (!SCTokens.transfer(_beneficiary, tokenAmount)) {
revert('buyTokensLowLevel: unable to transfer tokens from ICO contract to beneficiary');
}
emit BuyTokensLowLevel(msg.sender, _beneficiary, _weisAmount, tokenAmount);
return tokenAmount;
}
function updateEndTime(uint256 _endTime) onlyOwner public returns (bool) {
endTime = _endTime;
emit UpdateEndTime(_endTime);
}
function finalize(bool _forceRefund) onlyOwner public returns (bool) {
if (isFinalized) {
error('finalize: ICO is already finalized.');
return false;
}
if (weisRaised >= weisSoftCap && !_forceRefund) {
if (!SCRefundVault.close()) {
error('finalize: SCRefundVault.close() failed');
return false;
}
} else {
if (!SCRefundVault.enableRefunds()) {
error('finalize: SCRefundVault.enableRefunds() failed');
return false;
}
if(_forceRefund) {
emit ForceRefund();
}
}
uint256 balanceAmount = SCTokens.balanceOf(this);
if (!SCTokens.transfer(address(SCEscrow), balanceAmount)) {
error('finalize: unable to return remaining ICO tokens');
return false;
}
if(!SCEscrow.deposit(balanceAmount)) {
error('finalize: unable to return remaining ICO tokens');
return false;
}
isFinalized = true;
emit Finalized();
return true;
}
function claimRefund() public stopInEmergency returns (bool) {
if (!isFinalized) {
error('claimRefund: ICO is not yet finalized.');
return false;
}
if (!SCRefundVault.isRefunding()) {
error('claimRefund: RefundVault state != State.Refunding');
return false;
}
uint256 tokenAmount = SCRefundVault.getTokensAcquired(msg.sender);
emit GetBackTokensOnRefund(msg.sender, this, tokenAmount);
if (!SCTokens.refundTokens(msg.sender, tokenAmount)) {
error('claimRefund: unable to transfer investor tokens to ICO contract before refunding');
return false;
}
if (!SCRefundVault.refund(msg.sender)) {
error('claimRefund: SCRefundVault.refund() failed');
return false;
}
return true;
}
function fundICO() public onlyOwner {
if (!SCEscrow.fundICO(tokensHardCap, ICOStage)) {
revert('ICO funding failed');
}
}
event BuyTokens(address indexed _purchaser, uint256 _value, uint256 _amount);
event BuyTokensOraclePayIn(address indexed _purchaser, address indexed _beneficiary, uint256 _weisAmount, uint256 _tokenAmount);
event BuyTokensLowLevel(address indexed _purchaser, address indexed _beneficiary, uint256 _value, uint256 _amount);
event Finalized();
event ForceRefund();
event GetBackTokensOnRefund(address _from, address _to, uint256 _amount);
event UpdateEndTime(uint256 _endTime);
}
contract ICOPreSale is ICO {
constructor(address _SCEscrow, address _SCTokens, address _SCWhitelist, address _SCRefundVault) public {
if (_SCTokens == 0x0) {
revert('Tokens Constructor: _SCTokens == 0x0');
}
if (_SCWhitelist == 0x0) {
revert('Tokens Constructor: _SCWhitelist == 0x0');
}
if (_SCRefundVault == 0x0) {
revert('Tokens Constructor: _SCRefundVault == 0x0');
}
SCTokens = Tokens(_SCTokens);
SCWhitelist = Whitelist(_SCWhitelist);
SCRefundVault = RefundVault(_SCRefundVault);
weisPerEther = 1 ether;
startTime = timestamp();
endTime = timestamp().add(24 days);
bigTokensPerEther = 7500;
tokensPerEther = bigTokensPerEther.mul(weisPerEther);
discount = 45;
discountedPricePercentage = 100;
discountedPricePercentage = discountedPricePercentage.sub(discount);
weisMinInvestment = weisPerEther.mul(1);
etherHardCap = 8067;
tokensHardCap = tokensPerEther.mul(etherHardCap).mul(100).div(discountedPricePercentage);
weisPerBigToken = weisPerEther.div(bigTokensPerEther);
weisHardCap = weisPerEther.mul(etherHardCap);
etherSoftCap = 750;
weisSoftCap = weisPerEther.mul(etherSoftCap);
SCEscrow = Escrow(_SCEscrow);
ICOStage = 0;
}
}
contract Tokens is HardcodedWallets, ERC20, Haltable {
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint256 public _totalSupply;
string public name;
string public symbol;
uint8 public decimals;
string public standard = 'H0.1';
uint256 public timelockEndTime;
address public addressSCICO;
address public addressSCEscrow;
address public addressSCComplianceService;
ComplianceService public SCComplianceService;
modifier notTimeLocked() {
if (now < timelockEndTime && msg.sender != addressSCICO && msg.sender != addressSCEscrow) {
error('notTimeLocked: Timelock still active. Function is yet unavailable.');
} else {
_;
}
}
constructor(address _addressSCEscrow, address _addressSCComplianceService) public {
name = "TheRentalsToken";
symbol = "TRT";
decimals = 18;
_totalSupply = 1350000000 ether;
timelockEndTime = timestamp().add(45 days);
addressSCEscrow = _addressSCEscrow;
addressSCComplianceService = _addressSCComplianceService;
SCComplianceService = ComplianceService(addressSCComplianceService);
balances[_addressSCEscrow] = _totalSupply;
emit Transfer(0x0, _addressSCEscrow, _totalSupply);
}
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _amount) public notTimeLocked stopInEmergency returns (bool success) {
if (balances[msg.sender] < _amount) {
error('transfer: the amount to transfer is higher than your token balance');
return false;
}
if(!SCComplianceService.validate(msg.sender, _to, _amount)) {
error('transfer: not allowed by the compliance service');
return false;
}
balances[msg.sender] = balances[msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(msg.sender, _to, _amount);
return true;
}
function transferFrom(address _from, address _to, uint256 _amount) public notTimeLocked stopInEmergency returns (bool success) {
if (balances[_from] < _amount) {
error('transferFrom: the amount to transfer is higher than the token balance of the source');
return false;
}
if (allowed[_from][msg.sender] < _amount) {
error('transferFrom: the amount to transfer is higher than the maximum token transfer allowed by the source');
return false;
}
if(!SCComplianceService.validate(_from, _to, _amount)) {
error('transfer: not allowed by the compliance service');
return false;
}
balances[_from] = balances[_from].sub(_amount);
balances[_to] = balances[_to].add(_amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
emit Transfer(_from, _to, _amount);
return true;
}
function approve(address _spender, uint256 _amount) public returns (bool success) {
allowed[msg.sender][_spender] = _amount;
emit Approval(msg.sender, _spender, _amount);
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) {
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;
}
function refundTokens(address _from, uint256 _amount) public notTimeLocked stopInEmergency returns (bool success) {
if (tx.origin != _from) {
error('refundTokens: tx.origin did not request the refund directly');
return false;
}
if (addressSCICO != msg.sender) {
error('refundTokens: caller is not the current ICO address');
return false;
}
if (balances[_from] < _amount) {
error('refundTokens: the amount to transfer is higher than your token balance');
return false;
}
if(!SCComplianceService.validate(_from, addressSCICO, _amount)) {
error('transfer: not allowed by the compliance service');
return false;
}
balances[_from] = balances[_from].sub(_amount);
balances[addressSCICO] = balances[addressSCICO].add(_amount);
emit Transfer(_from, addressSCICO, _amount);
return true;
}
function setMyICOContract(address _SCICO) public onlyOwner {
addressSCICO = _SCICO;
}
function setComplianceService(address _addressSCComplianceService) public onlyOwner {
addressSCComplianceService = _addressSCComplianceService;
SCComplianceService = ComplianceService(addressSCComplianceService);
}
function updateTimeLock(uint256 _timelockEndTime) onlyOwner public returns (bool) {
timelockEndTime = _timelockEndTime;
emit UpdateTimeLock(_timelockEndTime);
return true;
}
event Transfer(address indexed _from, address indexed _to, uint256 _amount);
event Approval(address indexed _owner, address indexed _spender, uint256 _amount);
event UpdateTimeLock(uint256 _timelockEndTime);
}
contract Whitelist is HardcodedWallets, System {
mapping (address => bool) public walletsICO;
mapping (address => bool) public managers;
function isInvestor(address _wallet) public constant returns (bool) {
return (walletsICO[_wallet]);
}
function addInvestor(address _wallet) external isManager returns (bool) {
if (walletsICO[_wallet]) {
error('addInvestor: this wallet has been previously granted as ICO investor');
return false;
}
walletsICO[_wallet] = true;
emit AddInvestor(_wallet, timestamp());
return true;
}
modifier isManager(){
if (managers[msg.sender] || msg.sender == owner) {
_;
} else {
error("isManager: called by user that is not owner or manager");
}
}
function addManager(address _managerAddr) external onlyOwner returns (bool) {
if(managers[_managerAddr]){
error("addManager: manager account already exists.");
return false;
}
managers[_managerAddr] = true;
emit AddManager(_managerAddr, timestamp());
}
function delManager(address _managerAddr) external onlyOwner returns (bool) {
if(!managers[_managerAddr]){
error("delManager: manager account not found.");
return false;
}
delete managers[_managerAddr];
emit DelManager(_managerAddr, timestamp());
}
event AddInvestor(address indexed _wallet, uint256 _timestamp);
event AddManager(address indexed _managerAddr, uint256 _timestamp);
event DelManager(address indexed _managerAddr, uint256 _timestamp);
}