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Transfer | 20627334 | 10 hrs ago | IN | 0 ETH | 0.00022843 | ||||
Approve | 20615870 | 2 days ago | IN | 0 ETH | 0.00012659 | ||||
Transfer | 20603539 | 3 days ago | IN | 0 ETH | 0.00013619 | ||||
Transfer | 20512326 | 16 days ago | IN | 0 ETH | 0.00115369 | ||||
Transfer | 20496263 | 18 days ago | IN | 0 ETH | 0.00010631 | ||||
Transfer | 20490010 | 19 days ago | IN | 0 ETH | 0.00019326 | ||||
Transfer | 20476153 | 21 days ago | IN | 0 ETH | 0.0002017 | ||||
Approve | 20452936 | 24 days ago | IN | 0 ETH | 0.00004614 | ||||
Approve | 20448713 | 25 days ago | IN | 0 ETH | 0.00010906 | ||||
Approve | 20429270 | 28 days ago | IN | 0 ETH | 0.00040429 | ||||
Approve | 20412245 | 30 days ago | IN | 0 ETH | 0.00012194 | ||||
Approve | 20395563 | 32 days ago | IN | 0 ETH | 0.00004615 | ||||
Transfer | 20388550 | 33 days ago | IN | 0 ETH | 0.00008768 | ||||
Transfer | 20387790 | 33 days ago | IN | 0 ETH | 0.00027219 | ||||
Transfer | 20383491 | 34 days ago | IN | 0 ETH | 0.00022455 | ||||
Transfer | 20374316 | 35 days ago | IN | 0 ETH | 0.00015503 | ||||
Transfer | 20374293 | 35 days ago | IN | 0 ETH | 0.0002399 | ||||
Transfer | 20374280 | 35 days ago | IN | 0 ETH | 0.00150381 | ||||
Approve | 20361204 | 37 days ago | IN | 0 ETH | 0.00020687 | ||||
Transfer | 20329591 | 42 days ago | IN | 0 ETH | 0.00019801 | ||||
Transfer | 20321329 | 43 days ago | IN | 0 ETH | 0.00112256 | ||||
Transfer | 20306935 | 45 days ago | IN | 0 ETH | 0.00011659 | ||||
Transfer | 20306932 | 45 days ago | IN | 0 ETH | 0.00019288 | ||||
Approve | 20300826 | 46 days ago | IN | 0 ETH | 0.00077842 | ||||
Transfer | 20291406 | 47 days ago | IN | 0 ETH | 0.00043671 |
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Latest 25 internal transactions (View All)
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Contract Name:
SirinSmartToken
Compiler Version
v0.4.18+commit.9cf6e910
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-12-12 */ pragma solidity ^0.4.18; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } 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; } 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; } } /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @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 { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } } /** * @title Claimable * @dev Extension for the Ownable contract, where the ownership needs to be claimed. * This allows the new owner to accept the transfer. */ contract Claimable is Ownable { address public pendingOwner; /** * @dev Modifier throws if called by any account other than the pendingOwner. */ modifier onlyPendingOwner() { require(msg.sender == pendingOwner); _; } /** * @dev Allows the current owner to set the pendingOwner address. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner public { pendingOwner = newOwner; } /** * @dev Allows the pendingOwner address to finalize the transfer. */ function claimOwnership() onlyPendingOwner public { OwnershipTransferred(owner, pendingOwner); owner = pendingOwner; pendingOwner = address(0); } } /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { uint256 public totalSupply; 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); } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ 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); } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @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) { require(_to != address(0)); require(_value <= balances[msg.sender]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } } /** * @title LimitedTransferToken * @dev LimitedTransferToken defines the generic interface and the implementation to limit token * transferability for different events. It is intended to be used as a base class for other token * contracts. * LimitedTransferToken has been designed to allow for different limiting factors, * this can be achieved by recursively calling super.transferableTokens() until the base class is * hit. For example: * function transferableTokens(address holder, uint64 time) constant public returns (uint256) { * return min256(unlockedTokens, super.transferableTokens(holder, time)); * } * A working example is VestedToken.sol: * https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/token/VestedToken.sol */ contract LimitedTransferToken is ERC20 { /** * @dev Checks whether it can transfer or otherwise throws. */ modifier canTransfer(address _sender, uint256 _value) { require(_value <= transferableTokens(_sender, uint64(now))); _; } /** * @dev Checks modifier and allows transfer if tokens are not locked. * @param _to The address that will receive the tokens. * @param _value The amount of tokens to be transferred. */ function transfer(address _to, uint256 _value) canTransfer(msg.sender, _value) public returns (bool) { return super.transfer(_to, _value); } /** * @dev Checks modifier and allows transfer if tokens are not locked. * @param _from The address that will send the tokens. * @param _to The address that will receive the tokens. * @param _value The amount of tokens to be transferred. */ function transferFrom(address _from, address _to, uint256 _value) canTransfer(_from, _value) public returns (bool) { return super.transferFrom(_from, _to, _value); } /** * @dev Default transferable tokens function returns all tokens for a holder (no limit). * @dev Overwriting transferableTokens(address holder, uint64 time) is the way to provide the * specific logic for limiting token transferability for a holder over time. */ function transferableTokens(address holder, uint64 time) public view returns (uint256) { return balanceOf(holder); } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /** * @dev Transfer tokens from one address to another * @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) { 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); Transfer(_from, _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) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * @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 remaining) { return allowed[_owner][_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 */ function increaseApproval (address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); 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); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } /** * @title Mintable token * @dev Simple ERC20 Token example, with mintable token creation * @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol */ contract MintableToken is StandardToken, Claimable { event Mint(address indexed to, uint256 amount); event MintFinished(); bool public mintingFinished = false; modifier canMint() { require(!mintingFinished); _; } /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply = totalSupply.add(_amount); balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner public returns (bool) { mintingFinished = true; MintFinished(); return true; } } /* Smart Token interface */ contract ISmartToken { // ================================================================================================================= // Members // ================================================================================================================= bool public transfersEnabled = false; // ================================================================================================================= // Event // ================================================================================================================= // triggered when a smart token is deployed - the _token address is defined for forward compatibility, in case we want to trigger the event from a factory event NewSmartToken(address _token); // triggered when the total supply is increased event Issuance(uint256 _amount); // triggered when the total supply is decreased event Destruction(uint256 _amount); // ================================================================================================================= // Functions // ================================================================================================================= function disableTransfers(bool _disable) public; function issue(address _to, uint256 _amount) public; function destroy(address _from, uint256 _amount) public; } /** BancorSmartToken */ contract LimitedTransferBancorSmartToken is MintableToken, ISmartToken, LimitedTransferToken { // ================================================================================================================= // Modifiers // ================================================================================================================= /** * @dev Throws if destroy flag is not enabled. */ modifier canDestroy() { require(destroyEnabled); _; } // ================================================================================================================= // Members // ================================================================================================================= // We add this flag to avoid users and owner from destroy tokens during crowdsale, // This flag is set to false by default and blocks destroy function, // We enable destroy option on finalize, so destroy will be possible after the crowdsale. bool public destroyEnabled = false; // ================================================================================================================= // Public Functions // ================================================================================================================= function setDestroyEnabled(bool _enable) onlyOwner public { destroyEnabled = _enable; } // ================================================================================================================= // Impl ISmartToken // ================================================================================================================= //@Override function disableTransfers(bool _disable) onlyOwner public { transfersEnabled = !_disable; } //@Override function issue(address _to, uint256 _amount) onlyOwner public { require(super.mint(_to, _amount)); Issuance(_amount); } //@Override function destroy(address _from, uint256 _amount) canDestroy public { require(msg.sender == _from || msg.sender == owner); // validate input balances[_from] = balances[_from].sub(_amount); totalSupply = totalSupply.sub(_amount); Destruction(_amount); Transfer(_from, 0x0, _amount); } // ================================================================================================================= // Impl LimitedTransferToken // ================================================================================================================= // Enable/Disable token transfer // Tokens will be locked in their wallets until the end of the Crowdsale. // @holder - token`s owner // @time - not used (framework unneeded functionality) // // @Override function transferableTokens(address holder, uint64 time) public constant returns (uint256) { require(transfersEnabled); return super.transferableTokens(holder, time); } } /** A Token which is 'Bancor' compatible and can mint new tokens and pause token-transfer functionality */ contract SirinSmartToken is LimitedTransferBancorSmartToken { // ================================================================================================================= // Members // ================================================================================================================= string public name = "SIRIN"; string public symbol = "SRN"; uint8 public decimals = 18; // ================================================================================================================= // Constructor // ================================================================================================================= function SirinSmartToken() public { //Apart of 'Bancor' computability - triggered when a smart token is deployed NewSmartToken(address(this)); } } /** * @title RefundVault * @dev This contract is used for storing TOKENS AND ETHER while a crowdsale is in progress for a period of 60 DAYS. * Investor can ask for a full/part refund for his ether against token. Once tokens are Claimed by the investor, they cannot be refunded. * After 60 days, all ether will be withdrawn from the vault`s wallet, leaving all tokens to be claimed by the their owners. **/ contract RefundVault is Claimable { using SafeMath for uint256; // ================================================================================================================= // Enums // ================================================================================================================= enum State { Active, Refunding, Closed } // ================================================================================================================= // Members // ================================================================================================================= // Refund time frame uint256 public constant REFUND_TIME_FRAME = 60 days; mapping (address => uint256) public depositedETH; mapping (address => uint256) public depositedToken; address public etherWallet; SirinSmartToken public token; State public state; uint256 public refundStartTime; // ================================================================================================================= // Events // ================================================================================================================= event Active(); event Closed(); event Deposit(address indexed beneficiary, uint256 etherWeiAmount, uint256 tokenWeiAmount); event RefundsEnabled(); event RefundedETH(address beneficiary, uint256 weiAmount); event TokensClaimed(address indexed beneficiary, uint256 weiAmount); // ================================================================================================================= // Modifiers // ================================================================================================================= modifier isActiveState() { require(state == State.Active); _; } modifier isRefundingState() { require(state == State.Refunding); _; } modifier isCloseState() { require(state == State.Closed); _; } modifier isRefundingOrCloseState() { require(state == State.Refunding || state == State.Closed); _; } modifier isInRefundTimeFrame() { require(refundStartTime <= now && refundStartTime + REFUND_TIME_FRAME > now); _; } modifier isRefundTimeFrameExceeded() { require(refundStartTime + REFUND_TIME_FRAME < now); _; } // ================================================================================================================= // Ctors // ================================================================================================================= function RefundVault(address _etherWallet, SirinSmartToken _token) public { require(_etherWallet != address(0)); require(_token != address(0)); etherWallet = _etherWallet; token = _token; state = State.Active; Active(); } // ================================================================================================================= // Public Functions // ================================================================================================================= function deposit(address investor, uint256 tokensAmount) isActiveState onlyOwner public payable { depositedETH[investor] = depositedETH[investor].add(msg.value); depositedToken[investor] = depositedToken[investor].add(tokensAmount); Deposit(investor, msg.value, tokensAmount); } function close() isRefundingState onlyOwner isRefundTimeFrameExceeded public { state = State.Closed; Closed(); etherWallet.transfer(this.balance); } function enableRefunds() isActiveState onlyOwner public { state = State.Refunding; refundStartTime = now; RefundsEnabled(); } //@dev Refund ether back to the investor in returns of proportional amount of SRN //back to the Sirin`s wallet function refundETH(uint256 ETHToRefundAmountWei) isInRefundTimeFrame isRefundingState public { require(ETHToRefundAmountWei != 0); uint256 depositedTokenValue = depositedToken[msg.sender]; uint256 depositedETHValue = depositedETH[msg.sender]; require(ETHToRefundAmountWei <= depositedETHValue); uint256 refundTokens = ETHToRefundAmountWei.mul(depositedTokenValue).div(depositedETHValue); assert(refundTokens > 0); depositedETH[msg.sender] = depositedETHValue.sub(ETHToRefundAmountWei); depositedToken[msg.sender] = depositedTokenValue.sub(refundTokens); token.destroy(address(this),refundTokens); msg.sender.transfer(ETHToRefundAmountWei); RefundedETH(msg.sender, ETHToRefundAmountWei); } //@dev Transfer tokens from the vault to the investor while releasing proportional amount of ether //to Sirin`s wallet. //Can be triggerd by the investor only function claimTokens(uint256 tokensToClaim) isRefundingOrCloseState public { require(tokensToClaim != 0); address investor = msg.sender; require(depositedToken[investor] > 0); uint256 depositedTokenValue = depositedToken[investor]; uint256 depositedETHValue = depositedETH[investor]; require(tokensToClaim <= depositedTokenValue); uint256 claimedETH = tokensToClaim.mul(depositedETHValue).div(depositedTokenValue); assert(claimedETH > 0); depositedETH[investor] = depositedETHValue.sub(claimedETH); depositedToken[investor] = depositedTokenValue.sub(tokensToClaim); token.transfer(investor, tokensToClaim); if(state != State.Closed) { etherWallet.transfer(claimedETH); } TokensClaimed(investor, tokensToClaim); } // @dev investors can claim tokens by calling the function // @param tokenToClaimAmount - amount of the token to claim function claimAllTokens() isRefundingOrCloseState public { uint256 depositedTokenValue = depositedToken[msg.sender]; claimTokens(depositedTokenValue); } } /** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale. * Crowdsales have a start and end timestamps, where investors can make * token purchases and the crowdsale will assign them tokens based * on a token per ETH rate. Funds collected are forwarded to a wallet * as they arrive. */ contract Crowdsale { using SafeMath for uint256; // The token being sold SirinSmartToken public token; // start and end timestamps where investments are allowed (both inclusive) uint256 public startTime; uint256 public endTime; // address where funds are collected address public wallet; // how many token units a buyer gets per wei uint256 public rate; // amount of raised money in wei uint256 public weiRaised; /** * event for token purchase logging * @param purchaser who paid for the tokens * @param beneficiary who got the tokens * @param value weis paid for purchase * @param amount amount of tokens purchased */ event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); function Crowdsale(uint256 _startTime, uint256 _endTime, uint256 _rate, address _wallet, SirinSmartToken _token) public { require(_startTime >= now); require(_endTime >= _startTime); require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); startTime = _startTime; endTime = _endTime; rate = _rate; wallet = _wallet; token = _token; } // fallback function can be used to buy tokens function() external payable { buyTokens(msg.sender); } // low level token purchase function function buyTokens(address beneficiary) public payable { require(beneficiary != address(0)); require(validPurchase()); uint256 weiAmount = msg.value; // calculate token amount to be created uint256 tokens = weiAmount.mul(getRate()); // update state weiRaised = weiRaised.add(weiAmount); token.issue(beneficiary, tokens); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); forwardFunds(); } // send ether to the fund collection wallet // override to create custom fund forwarding mechanisms function forwardFunds() internal { wallet.transfer(msg.value); } // @return true if the transaction can buy tokens function validPurchase() internal view returns (bool) { bool withinPeriod = now >= startTime && now <= endTime; bool nonZeroPurchase = msg.value != 0; return withinPeriod && nonZeroPurchase; } // @return true if crowdsale event has ended function hasEnded() public view returns (bool) { return now > endTime; } // @return the crowdsale rate function getRate() public view returns (uint256) { return rate; } } /** * @title FinalizableCrowdsale * @dev Extension of Crowdsale where an owner can do extra work * after finishing. */ contract FinalizableCrowdsale is Crowdsale, Claimable { using SafeMath for uint256; bool public isFinalized = false; event Finalized(); /** * @dev Must be called after crowdsale ends, to do some extra finalization * work. Calls the contract's finalization function. */ function finalize() onlyOwner public { require(!isFinalized); require(hasEnded()); finalization(); Finalized(); isFinalized = true; } /** * @dev Can be overridden to add finalization logic. The overriding function * should call super.finalization() to ensure the chain of finalization is * executed entirely. */ function finalization() internal { } } contract SirinCrowdsale is FinalizableCrowdsale { // ================================================================================================================= // Constants // ================================================================================================================= // Max amount of known addresses of which will get SRN by 'Grant' method. // // grantees addresses will be SirinLabs wallets addresses. // these wallets will contain SRN tokens that will be used for 2 purposes only - // 1. SRN tokens against raised fiat money // 2. SRN tokens for presale bonus. // we set the value to 10 (and not to 2) because we want to allow some flexibility for cases like fiat money that is raised close to the crowdsale. // we limit the value to 10 (and not larger) to limit the run time of the function that process the grantees array. uint8 public constant MAX_TOKEN_GRANTEES = 10; // SRN to ETH base rate uint256 public constant EXCHANGE_RATE = 500; // Refund division rate uint256 public constant REFUND_DIVISION_RATE = 2; // ================================================================================================================= // Modifiers // ================================================================================================================= /** * @dev Throws if called not during the crowdsale time frame */ modifier onlyWhileSale() { require(isActive()); _; } // ================================================================================================================= // Members // ================================================================================================================= // wallets address for 60% of SRN allocation address public walletTeam; //10% of the total number of SRN tokens will be allocated to the team address public walletOEM; //10% of the total number of SRN tokens will be allocated to OEM’s, Operating System implementation, SDK developers and rebate to device and Shield OS™ users address public walletBounties; //5% of the total number of SRN tokens will be allocated to professional fees and Bounties address public walletReserve; //35% of the total number of SRN tokens will be allocated to SIRIN LABS and as a reserve for the company to be used for future strategic plans for the created ecosystem // Funds collected outside the crowdsale in wei uint256 public fiatRaisedConvertedToWei; //Grantees - used for non-ether and presale bonus token generation address[] public presaleGranteesMapKeys; mapping (address => uint256) public presaleGranteesMap; //address=>wei token amount // The refund vault RefundVault public refundVault; // ================================================================================================================= // Events // ================================================================================================================= event GrantAdded(address indexed _grantee, uint256 _amount); event GrantUpdated(address indexed _grantee, uint256 _oldAmount, uint256 _newAmount); event GrantDeleted(address indexed _grantee, uint256 _hadAmount); event FiatRaisedUpdated(address indexed _address, uint256 _fiatRaised); event TokenPurchaseWithGuarantee(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); // ================================================================================================================= // Constructors // ================================================================================================================= function SirinCrowdsale(uint256 _startTime, uint256 _endTime, address _wallet, address _walletTeam, address _walletOEM, address _walletBounties, address _walletReserve, SirinSmartToken _sirinSmartToken, RefundVault _refundVault) public Crowdsale(_startTime, _endTime, EXCHANGE_RATE, _wallet, _sirinSmartToken) { require(_walletTeam != address(0)); require(_walletOEM != address(0)); require(_walletBounties != address(0)); require(_walletReserve != address(0)); require(_sirinSmartToken != address(0)); require(_refundVault != address(0)); walletTeam = _walletTeam; walletOEM = _walletOEM; walletBounties = _walletBounties; walletReserve = _walletReserve; token = _sirinSmartToken; refundVault = _refundVault; } // ================================================================================================================= // Impl Crowdsale // ================================================================================================================= // @return the rate in SRN per 1 ETH according to the time of the tx and the SRN pricing program. // @Override function getRate() public view returns (uint256) { if (now < (startTime.add(24 hours))) {return 1000;} if (now < (startTime.add(2 days))) {return 950;} if (now < (startTime.add(3 days))) {return 900;} if (now < (startTime.add(4 days))) {return 855;} if (now < (startTime.add(5 days))) {return 810;} if (now < (startTime.add(6 days))) {return 770;} if (now < (startTime.add(7 days))) {return 730;} if (now < (startTime.add(8 days))) {return 690;} if (now < (startTime.add(9 days))) {return 650;} if (now < (startTime.add(10 days))) {return 615;} if (now < (startTime.add(11 days))) {return 580;} if (now < (startTime.add(12 days))) {return 550;} if (now < (startTime.add(13 days))) {return 525;} return rate; } // ================================================================================================================= // Impl FinalizableCrowdsale // ================================================================================================================= //@Override function finalization() internal onlyOwner { super.finalization(); // granting bonuses for the pre crowdsale grantees: for (uint256 i = 0; i < presaleGranteesMapKeys.length; i++) { token.issue(presaleGranteesMapKeys[i], presaleGranteesMap[presaleGranteesMapKeys[i]]); } // Adding 60% of the total token supply (40% were generated during the crowdsale) // 40 * 2.5 = 100 uint256 newTotalSupply = token.totalSupply().mul(250).div(100); // 10% of the total number of SRN tokens will be allocated to the team token.issue(walletTeam, newTotalSupply.mul(10).div(100)); // 10% of the total number of SRN tokens will be allocated to OEM’s, Operating System implementation, // SDK developers and rebate to device and Sirin OS™ users token.issue(walletOEM, newTotalSupply.mul(10).div(100)); // 5% of the total number of SRN tokens will be allocated to professional fees and Bounties token.issue(walletBounties, newTotalSupply.mul(5).div(100)); // 35% of the total number of SRN tokens will be allocated to SIRIN LABS, // and as a reserve for the company to be used for future strategic plans for the created ecosystem token.issue(walletReserve, newTotalSupply.mul(35).div(100)); // Re-enable transfers after the token sale. token.disableTransfers(false); // Re-enable destroy function after the token sale. token.setDestroyEnabled(true); // Enable ETH refunds and token claim. refundVault.enableRefunds(); // transfer token ownership to crowdsale owner token.transferOwnership(owner); // transfer refundVault ownership to crowdsale owner refundVault.transferOwnership(owner); } // ================================================================================================================= // Public Methods // ================================================================================================================= // @return the total funds collected in wei(ETH and none ETH). function getTotalFundsRaised() public view returns (uint256) { return fiatRaisedConvertedToWei.add(weiRaised); } // @return true if the crowdsale is active, hence users can buy tokens function isActive() public view returns (bool) { return now >= startTime && now < endTime; } // ================================================================================================================= // External Methods // ================================================================================================================= // @dev Adds/Updates address and token allocation for token grants. // Granted tokens are allocated to non-ether, presale, buyers. // @param _grantee address The address of the token grantee. // @param _value uint256 The value of the grant in wei token. function addUpdateGrantee(address _grantee, uint256 _value) external onlyOwner onlyWhileSale{ require(_grantee != address(0)); require(_value > 0); // Adding new key if not present: if (presaleGranteesMap[_grantee] == 0) { require(presaleGranteesMapKeys.length < MAX_TOKEN_GRANTEES); presaleGranteesMapKeys.push(_grantee); GrantAdded(_grantee, _value); } else { GrantUpdated(_grantee, presaleGranteesMap[_grantee], _value); } presaleGranteesMap[_grantee] = _value; } // @dev deletes entries from the grants list. // @param _grantee address The address of the token grantee. function deleteGrantee(address _grantee) external onlyOwner onlyWhileSale { require(_grantee != address(0)); require(presaleGranteesMap[_grantee] != 0); //delete from the map: delete presaleGranteesMap[_grantee]; //delete from the array (keys): uint256 index; for (uint256 i = 0; i < presaleGranteesMapKeys.length; i++) { if (presaleGranteesMapKeys[i] == _grantee) { index = i; break; } } presaleGranteesMapKeys[index] = presaleGranteesMapKeys[presaleGranteesMapKeys.length - 1]; delete presaleGranteesMapKeys[presaleGranteesMapKeys.length - 1]; presaleGranteesMapKeys.length--; GrantDeleted(_grantee, presaleGranteesMap[_grantee]); } // @dev Set funds collected outside the crowdsale in wei. // note: we not to use accumulator to allow flexibility in case of humane mistakes. // funds are converted to wei using the market conversion rate of USD\ETH on the day on the purchase. // @param _fiatRaisedConvertedToWei number of none eth raised. function setFiatRaisedConvertedToWei(uint256 _fiatRaisedConvertedToWei) external onlyOwner onlyWhileSale { fiatRaisedConvertedToWei = _fiatRaisedConvertedToWei; FiatRaisedUpdated(msg.sender, fiatRaisedConvertedToWei); } /// @dev Accepts new ownership on behalf of the SirinCrowdsale contract. This can be used, by the token sale /// contract itself to claim back ownership of the SirinSmartToken contract. function claimTokenOwnership() external onlyOwner { token.claimOwnership(); } /// @dev Accepts new ownership on behalf of the SirinCrowdsale contract. This can be used, by the token sale /// contract itself to claim back ownership of the refundVault contract. function claimRefundVaultOwnership() external onlyOwner { refundVault.claimOwnership(); } // @dev Buy tokes with guarantee function buyTokensWithGuarantee() public payable { require(validPurchase()); uint256 weiAmount = msg.value; // calculate token amount to be created uint256 tokens = weiAmount.mul(getRate()); tokens = tokens.div(REFUND_DIVISION_RATE); // update state weiRaised = weiRaised.add(weiAmount); token.issue(address(refundVault), tokens); refundVault.deposit.value(msg.value)(msg.sender, tokens); TokenPurchaseWithGuarantee(msg.sender, address(refundVault), weiAmount, tokens); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://41851ef2e55a062d52e608b18957ee93c1eb3c35418af3a4a49546de232df595
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.