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Contract Source Code Verified (Exact Match)
Contract Name:
RefundVault
Compiler Version
v0.4.18+commit.9cf6e910
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-09-30 */ 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 OwnershipRenounced(address indexed previousOwner); 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 relinquish control of the contract. * @notice Renouncing to ownership will leave the contract without an owner. * It will not be possible to call the functions with the `onlyOwner` * modifier anymore. */ function renounceOwnership() public onlyOwner { OwnershipRenounced(owner); owner = address(0); } /** * @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 { _transferOwnership(_newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to. */ function _transferOwnership(address _newOwner) internal { 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) public onlyOwner { pendingOwner = newOwner; } /** * @dev Allows the pendingOwner address to finalize the transfer. */ function claimOwnership() public onlyPendingOwner { 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 internal totalSupply_; /** * @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return 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); event Approval( address indexed owner, address indexed spender, 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 Transfer( address indexed from, address indexed to, uint256 value ); 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(block.timestamp))); _; } /** * @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. * https://github.com/ethereum/EIPs/issues/20 * Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20 { using SafeMath for uint256; mapping(address => uint256) balances; mapping (address => mapping (address => uint256)) internal allowed; /** * @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) { return balances[_owner]; } /** * @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) { return allowed[_owner][_spender]; } /** * @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(_value <= balances[msg.sender]); require(_to != address(0)); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _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 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(_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); Transfer(_from, _to, _value); return true; } /** * @dev Increase the amount of tokens that an owner allowed to a 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 * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { uint256 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 * 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); _; } modifier hasMintPermission() { require(msg.sender == owner); _; } /** * @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 ) public hasMintPermission canMint 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() public onlyOwner canMint 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 BitMEDSmartToken is LimitedTransferBancorSmartToken { // ================================================================================================================= // Members // ================================================================================================================= string public constant name = "BitMED"; string public constant symbol = "BXM"; uint8 public constant decimals = 18; // ================================================================================================================= // Constructor // ================================================================================================================= function BitMEDSmartToken() public { //Apart of 'Bancor' computability - triggered when a smart token is deployed NewSmartToken(address(this)); } } /** * @title Vault * @dev This wallet is used to */ contract Vault is Claimable { using SafeMath for uint256; // ================================================================================================================= // Enums // ================================================================================================================= enum State { KycPending, KycComplete } // ================================================================================================================= // Members // ================================================================================================================= mapping (address => uint256) public depositedETH; mapping (address => uint256) public depositedToken; BitMEDSmartToken public token; State public state; // ================================================================================================================= // Events // ================================================================================================================= event KycPending(); event KycComplete(); event Deposit(address indexed beneficiary, uint256 etherWeiAmount, uint256 tokenWeiAmount); event RemoveSupporter(address beneficiary); event TokensClaimed(address indexed beneficiary, uint256 weiAmount); // ================================================================================================================= // Modifiers // ================================================================================================================= modifier isKycPending() { require(state == State.KycPending); _; } modifier isKycComplete() { require(state == State.KycComplete); _; } // ================================================================================================================= // Ctors // ================================================================================================================= function Vault(BitMEDSmartToken _token) public { require(_token != address(0)); token = _token; state = State.KycPending; KycPending(); } // ================================================================================================================= // Public Functions // ================================================================================================================= function deposit(address supporter, uint256 tokensAmount, uint256 value) isKycPending onlyOwner public{ depositedETH[supporter] = depositedETH[supporter].add(value); depositedToken[supporter] = depositedToken[supporter].add(tokensAmount); Deposit(supporter, value, tokensAmount); } function kycComplete() isKycPending onlyOwner public { state = State.KycComplete; KycComplete(); } //@dev Remove a supporter and refund ether back to the supporter in returns of proportional amount of BXM back to the BitMED`s wallet function removeSupporter(address supporter) isKycPending onlyOwner public { require(supporter != address(0)); require(depositedETH[supporter] > 0); require(depositedToken[supporter] > 0); uint256 depositedTokenValue = depositedToken[supporter]; uint256 depositedETHValue = depositedETH[supporter]; //zero out the user depositedETH[supporter] = 0; depositedToken[supporter] = 0; token.destroy(address(this),depositedTokenValue); // We will manually refund the money. Checking against OFAC sanction list // https://sanctionssearch.ofac.treas.gov/ //supporter.transfer(depositedETHValue - 21000); RemoveSupporter(supporter); } //@dev Transfer tokens from the vault to the supporter while releasing proportional amount of ether to BitMED`s wallet. //Can be triggerd by the supporter only function claimTokens(uint256 tokensToClaim) isKycComplete public { require(tokensToClaim != 0); address supporter = msg.sender; require(depositedToken[supporter] > 0); uint256 depositedTokenValue = depositedToken[supporter]; uint256 depositedETHValue = depositedETH[supporter]; require(tokensToClaim <= depositedTokenValue); uint256 claimedETH = tokensToClaim.mul(depositedETHValue).div(depositedTokenValue); assert(claimedETH > 0); depositedETH[supporter] = depositedETHValue.sub(claimedETH); depositedToken[supporter] = depositedTokenValue.sub(tokensToClaim); token.transfer(supporter, tokensToClaim); TokensClaimed(supporter, tokensToClaim); } //@dev Transfer tokens from the vault to the supporter //Can be triggerd by the owner of the vault function claimAllSupporterTokensByOwner(address supporter) isKycComplete onlyOwner public { uint256 depositedTokenValue = depositedToken[supporter]; require(depositedTokenValue > 0); token.transfer(supporter, depositedTokenValue); TokensClaimed(supporter, depositedTokenValue); } // @dev supporter can claim tokens by calling the function // @param tokenToClaimAmount - amount of the token to claim function claimAllTokens() isKycComplete public { uint256 depositedTokenValue = depositedToken[msg.sender]; claimTokens(depositedTokenValue); } } /** * @title RefundVault * @dev This contract is used for storing TOKENS AND ETHER while a crowd sale is in progress for a period of 3 DAYS. * Supporter can ask for a full/part refund for his/her ether against token. Once tokens are Claimed by the supporter, they cannot be refunded. * After 3 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 = 3 days; mapping (address => uint256) public depositedETH; mapping (address => uint256) public depositedToken; address public etherWallet; BitMEDSmartToken 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 <= block.timestamp && refundStartTime + REFUND_TIME_FRAME > block.timestamp); _; } modifier isRefundTimeFrameExceeded() { require(refundStartTime + REFUND_TIME_FRAME < block.timestamp); _; } // ================================================================================================================= // Ctors // ================================================================================================================= function RefundVault(address _etherWallet, BitMEDSmartToken _token) public { require(_etherWallet != address(0)); require(_token != address(0)); etherWallet = _etherWallet; token = _token; state = State.Active; Active(); } // ================================================================================================================= // Public Functions // ================================================================================================================= function deposit(address supporter, uint256 tokensAmount) isActiveState onlyOwner public payable { depositedETH[supporter] = depositedETH[supporter].add(msg.value); depositedToken[supporter] = depositedToken[supporter].add(tokensAmount); Deposit(supporter, msg.value, tokensAmount); } function close() isRefundingState onlyOwner isRefundTimeFrameExceeded public { state = State.Closed; Closed(); etherWallet.transfer(address(this).balance); } function enableRefunds() isActiveState onlyOwner public { state = State.Refunding; refundStartTime = block.timestamp; RefundsEnabled(); } //@dev Refund ether back to the supporter in returns of proportional amount of BXM back to the BitMED`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 supporter while releasing proportional amount of ether to BitMED`s wallet. //Can be triggerd by the supporter only function claimTokens(uint256 tokensToClaim) isRefundingOrCloseState public { require(tokensToClaim != 0); address supporter = msg.sender; require(depositedToken[supporter] > 0); uint256 depositedTokenValue = depositedToken[supporter]; uint256 depositedETHValue = depositedETH[supporter]; require(tokensToClaim <= depositedTokenValue); uint256 claimedETH = tokensToClaim.mul(depositedETHValue).div(depositedTokenValue); assert(claimedETH > 0); depositedETH[supporter] = depositedETHValue.sub(claimedETH); depositedToken[supporter] = depositedTokenValue.sub(tokensToClaim); token.transfer(supporter, tokensToClaim); if(state != State.Closed) { etherWallet.transfer(claimedETH); } TokensClaimed(supporter, tokensToClaim); } //@dev Transfer tokens from the vault to the supporter while releasing proportional amount of ether to BitMED`s wallet. //Can be triggerd by the owner of the vault (in our case - BitMED`s owner after 3 days) function claimAllSupporterTokensByOwner(address supporter) isCloseState onlyOwner public { uint256 depositedTokenValue = depositedToken[supporter]; require(depositedTokenValue > 0); token.transfer(supporter, depositedTokenValue); TokensClaimed(supporter, depositedTokenValue); } // @dev supporter 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 BitMEDSmartToken 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; // holding vault for all tokens pending KYC Vault public vault; /** * 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, BitMEDSmartToken _token, Vault _vault) public { require(_startTime >= block.timestamp); require(_endTime >= _startTime); require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); require(_vault != address(0)); startTime = _startTime; endTime = _endTime; rate = _rate; wallet = _wallet; token = _token; vault = _vault; } // 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; require(weiAmount>500000000000000000); // calculate token amount to be created uint256 tokens = weiAmount.mul(getRate()); // update state weiRaised = weiRaised.add(weiAmount); //send tokens to KYC Vault token.issue(address(vault), tokens); // Updating arrays in the Vault vault.deposit(beneficiary, tokens, msg.value); TokenPurchase(msg.sender, beneficiary, weiAmount, tokens); // Transferring funds to wallet 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 = block.timestamp >= startTime && block.timestamp <= endTime; bool nonZeroPurchase = msg.value != 0; return withinPeriod && nonZeroPurchase; } // @return true if crowdsale event has ended function hasEnded() public view returns (bool) { return block.timestamp > 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() public onlyOwner { 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 BitMEDCrowdsale is FinalizableCrowdsale { // ================================================================================================================= // Constants // ================================================================================================================= // Max amount of known addresses of which will get BXM by 'Grant' method. // // grantees addresses will be BitMED wallets addresses. // these wallets will contain BXM tokens that will be used for one purposes only - // 1. BXM tokens against raised fiat money // 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; // BXM to ETH base rate uint256 public constant EXCHANGE_RATE = 210; // Refund division rate uint256 public constant REFUND_DIVISION_RATE = 2; // The min BXM tokens that should be minted for the public sale uint256 public constant MIN_TOKEN_SALE = 125000000000000000000000000; // ================================================================================================================= // Modifiers // ================================================================================================================= /** * @dev Throws if called not during the crowdsale time frame */ modifier onlyWhileSale() { require(isActive()); _; } // ================================================================================================================= // Members // ================================================================================================================= // wallets address for 75% of BXM allocation address public walletTeam; //10% of the total number of BXM tokens will be allocated to the team address public walletReserve; //35% of the total number of BXM tokens will be allocated to BitMED and as a reserve for the company to be used for future strategic plans for the created ecosystem address public walletCommunity; //30% of the total number of BXM tokens will be allocated to Community // 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 BitMEDCrowdsale(uint256 _startTime, uint256 _endTime, address _wallet, address _walletTeam, address _walletCommunity, address _walletReserve, BitMEDSmartToken _BitMEDSmartToken, RefundVault _refundVault, Vault _vault) public Crowdsale(_startTime, _endTime, EXCHANGE_RATE, _wallet, _BitMEDSmartToken, _vault) { require(_walletTeam != address(0)); require(_walletCommunity != address(0)); require(_walletReserve != address(0)); require(_BitMEDSmartToken != address(0)); require(_refundVault != address(0)); require(_vault != address(0)); walletTeam = _walletTeam; walletCommunity = _walletCommunity; walletReserve = _walletReserve; token = _BitMEDSmartToken; refundVault = _refundVault; vault = _vault; } // ================================================================================================================= // Impl Crowdsale // ================================================================================================================= // @return the rate in BXM per 1 ETH according to the time of the tx and the BXM pricing program. // @Override function getRate() public view returns (uint256) { if (block.timestamp < (startTime.add(24 hours))) {return 700;} if (block.timestamp < (startTime.add(3 days))) {return 600;} if (block.timestamp < (startTime.add(5 days))) {return 500;} if (block.timestamp < (startTime.add(7 days))) {return 400;} if (block.timestamp < (startTime.add(10 days))) {return 350;} if (block.timestamp < (startTime.add(13 days))) {return 300;} if (block.timestamp < (startTime.add(16 days))) {return 285;} if (block.timestamp < (startTime.add(19 days))) {return 270;} if (block.timestamp < (startTime.add(22 days))) {return 260;} if (block.timestamp < (startTime.add(25 days))) {return 250;} if (block.timestamp < (startTime.add(28 days))) {return 240;} if (block.timestamp < (startTime.add(31 days))) {return 230;} if (block.timestamp < (startTime.add(34 days))) {return 225;} if (block.timestamp < (startTime.add(37 days))) {return 220;} if (block.timestamp < (startTime.add(40 days))) {return 215;} return rate; } // ================================================================================================================= // Impl FinalizableCrowdsale // ================================================================================================================= //@Override function finalization() internal { super.finalization(); // granting bonuses for the pre crowdsale grantees: for (uint256 i = 0; i < presaleGranteesMapKeys.length; i++) { token.issue(presaleGranteesMapKeys[i], presaleGranteesMap[presaleGranteesMapKeys[i]]); } //we want to make sure a min of 125M tokens are generated which equals the 25% of the crowdsale if(token.totalSupply() <= MIN_TOKEN_SALE){ uint256 missingTokens = MIN_TOKEN_SALE - token.totalSupply(); token.issue(walletCommunity, missingTokens); } // Adding 75% of the total token supply (25% were generated during the crowdsale) // 25 * 4 = 100 uint256 newTotalSupply = token.totalSupply().mul(400).div(100); // 10% of the total number of BXM tokens will be allocated to the team token.issue(walletTeam, newTotalSupply.mul(10).div(100)); // 30% of the total number of BXM tokens will be allocated to community token.issue(walletCommunity, newTotalSupply.mul(30).div(100)); // 35% of the total number of BXM tokens will be allocated to BitMED , // 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); vault.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 block.timestamp >= startTime && block.timestamp < 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 BitMEDCrowdsale contract. This can be used, by the token sale /// contract itself to claim back ownership of the BitMEDSmartToken contract. function claimTokenOwnership() external onlyOwner { token.claimOwnership(); } /// @dev Accepts new ownership on behalf of the BitMEDCrowdsale 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 Accepts new ownership on behalf of the BitMEDCrowdsale contract. This can be used, by the token sale /// contract itself to claim back ownership of the refundVault contract. function claimVaultOwnership() external onlyOwner { vault.claimOwnership(); } // @dev Buy tokes with guarantee function buyTokensWithGuarantee() public payable { require(validPurchase()); uint256 weiAmount = msg.value; require(weiAmount>500000000000000000); // 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
[{"constant":true,"inputs":[],"name":"etherWallet","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"claimAllTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"REFUND_TIME_FRAME","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"close","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"tokensToClaim","type":"uint256"}],"name":"claimTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"supporter","type":"address"},{"name":"tokensAmount","type":"uint256"}],"name":"deposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[],"name":"claimOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"refundStartTime","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"enableRefunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"depositedToken","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"ETHToRefundAmountWei","type":"uint256"}],"name":"refundETH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"supporter","type":"address"}],"name":"claimAllSupporterTokensByOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"depositedETH","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_etherWallet","type":"address"},{"name":"_token","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[],"name":"Active","type":"event"},{"anonymous":false,"inputs":[],"name":"Closed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"beneficiary","type":"address"},{"indexed":false,"name":"etherWeiAmount","type":"uint256"},{"indexed":false,"name":"tokenWeiAmount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[],"name":"RefundsEnabled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"beneficiary","type":"address"},{"indexed":false,"name":"weiAmount","type":"uint256"}],"name":"RefundedETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"beneficiary","type":"address"},{"indexed":false,"name":"weiAmount","type":"uint256"}],"name":"TokensClaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000071a32131610f3289b358b55d6448d85a358fba6d0000000000000000000000001b53d25fd98511b02ab71d2e4638d897e65b178c
-----Decoded View---------------
Arg [0] : _etherWallet (address): 0x71a32131610F3289b358B55D6448D85A358fbA6d
Arg [1] : _token (address): 0x1B53D25fD98511b02AB71d2E4638D897E65b178C
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000071a32131610f3289b358b55d6448d85a358fba6d
Arg [1] : 0000000000000000000000001b53d25fd98511b02ab71d2e4638d897e65b178c
Swarm Source
bzzr://c346dd0f3880f3ff052548a5e6584161777fed78b64c8ade30309dcd589f9189
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Multichain Portfolio | 30 Chains
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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.