ERC-20
Overview
Max Total Supply
996,491,162 IHT
Holders
61,435 (0.00%)
Market
Price
$0.00 @ 0.000000 ETH (-0.04%)
Onchain Market Cap
$74,706.94
Circulating Supply Market Cap
$74,580.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
10 IHTValue
$0.00 ( ~0 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
CrowdsaleToken
Compiler Version
v0.4.19+commit.c4cbbb05
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-03-16 */ pragma solidity ^0.4.18; contract SafeMathLib { function safeMul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } function safeSub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function safeAdd(uint256 a, uint256 b) internal pure returns (uint256) { uint c = a + b; assert(c>=a); return c; } function safeDiv(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; } } /** * @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; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); /** * @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 { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); OwnershipTransferred(owner, newOwner); owner = newOwner; } } /** * @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); } /** * A token that defines fractional units as decimals. */ contract FractionalERC20 is ERC20 { uint8 public decimals; } /** * Standard ERC20 token with Short Hand Attack and approve() race condition mitigation. * * Based on code by FirstBlood: * https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, SafeMathLib { /* Token supply got increased and a new owner received these tokens */ event Minted(address receiver, uint256 amount); /* Actual balances of token holders */ mapping(address => uint) balances; /* approve() allowances */ mapping (address => mapping (address => uint256)) allowed; 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] = safeSub(balances[msg.sender],_value); balances[_to] = safeAdd(balances[_to],_value); Transfer(msg.sender, _to, _value); return true; } function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { uint _allowance = allowed[_from][msg.sender]; require(_to != address(0)); require(_value <= balances[_from]); require(_value <= _allowance); require(balances[_to] + _value > balances[_to]); balances[_to] = safeAdd(balances[_to],_value); balances[_from] = safeSub(balances[_from],_value); allowed[_from][msg.sender] = safeSub(_allowance,_value); Transfer(_from, _to, _value); return true; } function balanceOf(address _owner) public constant returns (uint balance) { return balances[_owner]; } /** * @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) { return allowed[_owner][_spender]; } /** * @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] = safeAdd(allowed[msg.sender][_spender],_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) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = safeSub(oldValue,_subtractedValue); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } /** * @title Burnable Token * @dev Token that can be irreversibly burned (destroyed). */ contract BurnableToken is StandardToken { event Burn(address indexed burner, uint256 value); /** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */ function burn(uint256 _value) public { require(_value <= balances[msg.sender]); // no need to require value <= totalSupply, since that would imply the // sender's balance is greater than the totalSupply, which *should* be an assertion failure address burner = msg.sender; balances[burner] = safeSub(balances[burner],_value); totalSupply = safeSub(totalSupply,_value); Burn(burner, _value); } } /** * Upgrade agent interface inspired by Lunyr. * * Upgrade agent transfers tokens to a new contract. * Upgrade agent itself can be the token contract, or just a middle man contract doing the heavy lifting. */ contract UpgradeAgent { uint public originalSupply; /** Interface marker */ function isUpgradeAgent() public pure returns (bool) { return true; } function upgradeFrom(address _from, uint256 _value) public; } /** * A token upgrade mechanism where users can opt-in amount of tokens to the next smart contract revision. * * First envisioned by Golem and Lunyr projects. */ contract UpgradeableToken is StandardToken { /** Contract / person who can set the upgrade path. This can be the same as team multisig wallet, as what it is with its default value. */ address public upgradeMaster; /** The next contract where the tokens will be migrated. */ UpgradeAgent public upgradeAgent; /** How many tokens we have upgraded by now. */ uint256 public totalUpgraded; /** * Upgrade states. * * - NotAllowed: The child contract has not reached a condition where the upgrade can bgun * - WaitingForAgent: Token allows upgrade, but we don't have a new agent yet * - ReadyToUpgrade: The agent is set, but not a single token has been upgraded yet * - Upgrading: Upgrade agent is set and the balance holders can upgrade their tokens * */ enum UpgradeState {Unknown, NotAllowed, WaitingForAgent, ReadyToUpgrade, Upgrading} /** * Somebody has upgraded some of his tokens. */ event Upgrade(address indexed _from, address indexed _to, uint256 _value); /** * New upgrade agent available. */ event UpgradeAgentSet(address agent); /** * Do not allow construction without upgrade master set. */ function UpgradeableToken(address _upgradeMaster) public { upgradeMaster = _upgradeMaster; } /** * Allow the token holder to upgrade some of their tokens to a new contract. */ function upgrade(uint256 value) public { UpgradeState state = getUpgradeState(); require((state == UpgradeState.ReadyToUpgrade || state == UpgradeState.Upgrading)); // Validate input value. require (value != 0); balances[msg.sender] = safeSub(balances[msg.sender],value); // Take tokens out from circulation totalSupply = safeSub(totalSupply,value); totalUpgraded = safeAdd(totalUpgraded,value); // Upgrade agent reissues the tokens upgradeAgent.upgradeFrom(msg.sender, value); Upgrade(msg.sender, upgradeAgent, value); } /** * Set an upgrade agent that handles */ function setUpgradeAgent(address agent) external { require(canUpgrade()); require(agent != 0x0); // Only a master can designate the next agent require(msg.sender == upgradeMaster); // Upgrade has already begun for an agent require(getUpgradeState() != UpgradeState.Upgrading); upgradeAgent = UpgradeAgent(agent); // Bad interface require(upgradeAgent.isUpgradeAgent()); // Make sure that token supplies match in source and target require(upgradeAgent.originalSupply() == totalSupply); UpgradeAgentSet(upgradeAgent); } /** * Get the state of the token upgrade. */ function getUpgradeState() public constant returns(UpgradeState) { if(!canUpgrade()) return UpgradeState.NotAllowed; else if(address(upgradeAgent) == 0x00) return UpgradeState.WaitingForAgent; else if(totalUpgraded == 0) return UpgradeState.ReadyToUpgrade; else return UpgradeState.Upgrading; } /** * Change the upgrade master. * * This allows us to set a new owner for the upgrade mechanism. */ function setUpgradeMaster(address master) public { require(master != 0x0); require(msg.sender == upgradeMaster); upgradeMaster = master; } /** * Child contract can enable to provide the condition when the upgrade can begun. */ function canUpgrade() public view returns(bool) { return true; } } /** * Define interface for releasing the token transfer after a successful crowdsale. */ contract ReleasableToken is ERC20, Ownable { /* The finalizer contract that allows unlift the transfer limits on this token */ address public releaseAgent; /** A crowdsale contract can release us to the wild if ICO success. If false we are are in transfer lock up period.*/ bool public released = false; /** Map of agents that are allowed to transfer tokens regardless of the lock down period. These are crowdsale contracts and possible the team multisig itself. */ mapping (address => bool) public transferAgents; /** * Limit token transfer until the crowdsale is over. * */ modifier canTransfer(address _sender) { if(!released) { require(transferAgents[_sender]); } _; } /** * Set the contract that can call release and make the token transferable. * * Design choice. Allow reset the release agent to fix fat finger mistakes. */ function setReleaseAgent(address addr) onlyOwner inReleaseState(false) public { // We don't do interface check here as we might want to a normal wallet address to act as a release agent releaseAgent = addr; } /** * Owner can allow a particular address (a crowdsale contract) to transfer tokens despite the lock up period. */ function setTransferAgent(address addr, bool state) onlyOwner inReleaseState(false) public { transferAgents[addr] = state; } /** * One way function to release the tokens to the wild. * * Can be called only from the release agent that is the final ICO contract. It is only called if the crowdsale has been success (first milestone reached). */ function releaseTokenTransfer() public onlyReleaseAgent { released = true; } /** The function can be called only before or after the tokens have been releasesd */ modifier inReleaseState(bool releaseState) { require(releaseState == released); _; } /** The function can be called only by a whitelisted release agent. */ modifier onlyReleaseAgent() { require(msg.sender == releaseAgent); _; } function transfer(address _to, uint _value) canTransfer(msg.sender) public returns (bool success) { // Call StandardToken.transfer() return super.transfer(_to, _value); } function transferFrom(address _from, address _to, uint _value) canTransfer(_from) public returns (bool success) { // Call StandardToken.transferForm() return super.transferFrom(_from, _to, _value); } } /** * A token that can increase its supply by another contract. * * This allows uncapped crowdsale by dynamically increasing the supply when money pours in. * Only mint agents, contracts whitelisted by owner, can mint new tokens. * */ contract MintableToken is StandardToken, Ownable { bool public mintingFinished = false; /** List of agents that are allowed to create new tokens */ mapping (address => bool) public mintAgents; event MintingAgentChanged(address addr, bool state); event Mint(address indexed to, uint256 amount); /** * Create new tokens and allocate them to an address.. * * Only callably by a crowdsale contract (mint agent). */ function mint(address receiver, uint256 amount) onlyMintAgent canMint public returns(bool){ totalSupply = safeAdd(totalSupply, amount); balances[receiver] = safeAdd(balances[receiver], amount); // This will make the mint transaction apper in EtherScan.io // We can remove this after there is a standardized minting event Mint(receiver, amount); Transfer(0, receiver, amount); return true; } /** * Owner can allow a crowdsale contract to mint new tokens. */ function setMintAgent(address addr, bool state) onlyOwner canMint public { mintAgents[addr] = state; MintingAgentChanged(addr, state); } modifier onlyMintAgent() { // Only crowdsale contracts are allowed to mint new tokens require(mintAgents[msg.sender]); _; } /** Make sure we are not done yet. */ modifier canMint() { require(!mintingFinished); _; } } /** * A crowdsaled token. * * An ERC-20 token designed specifically for crowdsales with investor protection and further development path. * * - The token transfer() is disabled until the crowdsale is over * - The token contract gives an opt-in upgrade path to a new contract * - The same token can be part of several crowdsales through approve() mechanism * - The token can be capped (supply set in the constructor) or uncapped (crowdsale contract can mint new tokens) * */ contract CrowdsaleToken is ReleasableToken, MintableToken, UpgradeableToken, BurnableToken { event UpdatedTokenInformation(string newName, string newSymbol); string public name; string public symbol; uint8 public decimals; /** * Construct the token. * * This token must be created through a team multisig wallet, so that it is owned by that wallet. * * @param _name Token name * @param _symbol Token symbol - should be all caps * @param _initialSupply How many tokens we start with * @param _decimals Number of decimal places * @param _mintable Are new tokens created over the crowdsale or do we distribute only the initial supply? Note that when the token becomes transferable the minting always ends. */ function CrowdsaleToken(string _name, string _symbol, uint _initialSupply, uint8 _decimals, bool _mintable) public UpgradeableToken(msg.sender) { // Create any address, can be transferred // to team multisig via changeOwner(), // also remember to call setUpgradeMaster() owner = msg.sender; name = _name; symbol = _symbol; totalSupply = _initialSupply; decimals = _decimals; // Create initially all balance on the team multisig balances[owner] = totalSupply; if(totalSupply > 0) { Minted(owner, totalSupply); } // No more new supply allowed after the token creation if(!_mintable) { mintingFinished = true; require(totalSupply != 0); } } /** * When token is released to be transferable, enforce no new tokens can be created. */ function releaseTokenTransfer() public onlyReleaseAgent { mintingFinished = true; super.releaseTokenTransfer(); } /** * Allow upgrade agent functionality kick in only if the crowdsale was success. */ function canUpgrade() public view returns(bool) { return released && super.canUpgrade(); } /** * Owner can update token information here */ function setTokenInformation(string _name, string _symbol) onlyOwner public { name = _name; symbol = _symbol; UpdatedTokenInformation(name, symbol); } } /** * Finalize agent defines what happens at the end of succeseful crowdsale. * * - Allocate tokens for founders, bounties and community * - Make tokens transferable * - etc. */ contract FinalizeAgent { function isFinalizeAgent() public pure returns(bool) { return true; } /** Return true if we can run finalizeCrowdsale() properly. * * This is a safety check function that doesn't allow crowdsale to begin * unless the finalizer has been set up properly. */ function isSane() public view returns (bool); /** Called once by crowdsale finalize() if the sale was success. */ function finalizeCrowdsale() public ; } /** * Interface for defining crowdsale pricing. */ contract PricingStrategy { /** Interface declaration. */ function isPricingStrategy() public pure returns (bool) { return true; } /** Self check if all references are correctly set. * * Checks that pricing strategy matches crowdsale parameters. */ function isSane(address crowdsale) public view returns (bool) { return true; } /** * When somebody tries to buy tokens for X eth, calculate how many tokens they get. * * * @param value - What is the value of the transaction send in as wei * @param tokensSold - how much tokens have been sold this far * @param weiRaised - how much money has been raised this far * @param msgSender - who is the investor of this transaction * @param decimals - how many decimal units the token has * @return Amount of tokens the investor receives */ function calculatePrice(uint256 value, uint256 weiRaised, uint256 tokensSold, address msgSender, uint256 decimals) public constant returns (uint256 tokenAmount); } /* * Haltable * * Abstract contract that allows children to implement an * emergency stop mechanism. Differs from Pausable by causing a throw when in halt mode. * * * Originally envisioned in FirstBlood ICO contract. */ contract Haltable is Ownable { bool public halted; modifier stopInEmergency { require(!halted); _; } modifier onlyInEmergency { require(halted); _; } // called by the owner on emergency, triggers stopped state function halt() external onlyOwner { halted = true; } // called by the owner on end of emergency, returns to normal state function unhalt() external onlyOwner onlyInEmergency { halted = false; } } contract Allocatable is Ownable { /** List of agents that are allowed to allocate new tokens */ mapping (address => bool) public allocateAgents; event AllocateAgentChanged(address addr, bool state ); /** * Owner can allow a crowdsale contract to allocate new tokens. */ function setAllocateAgent(address addr, bool state) onlyOwner public { allocateAgents[addr] = state; AllocateAgentChanged(addr, state); } modifier onlyAllocateAgent() { // Only crowdsale contracts are allowed to allocate new tokens require(allocateAgents[msg.sender]); _; } } /** * Abstract base contract for token sales. * * Handle * - start and end dates * - accepting investments * - minimum funding goal and refund * - various statistics during the crowdfund * - different pricing strategies * - different investment policies (require server side customer id, allow only whitelisted addresses) * */ contract Crowdsale is Allocatable, Haltable, SafeMathLib { /* Max investment count when we are still allowed to change the multisig address */ uint public MAX_INVESTMENTS_BEFORE_MULTISIG_CHANGE = 5; /* The token we are selling */ FractionalERC20 public token; /* Token Vesting Contract */ address public tokenVestingAddress; /* How we are going to price our offering */ PricingStrategy public pricingStrategy; /* Post-success callback */ FinalizeAgent public finalizeAgent; /* tokens will be transfered from this address */ address public multisigWallet; /* if the funding goal is not reached, investors may withdraw their funds */ uint256 public minimumFundingGoal; /* the UNIX timestamp start date of the crowdsale */ uint256 public startsAt; /* the UNIX timestamp end date of the crowdsale */ uint256 public endsAt; /* the number of tokens already sold through this contract*/ uint256 public tokensSold = 0; /* How many wei of funding we have raised */ uint256 public weiRaised = 0; /* How many distinct addresses have invested */ uint256 public investorCount = 0; /* How much wei we have returned back to the contract after a failed crowdfund. */ uint256 public loadedRefund = 0; /* How much wei we have given back to investors.*/ uint256 public weiRefunded = 0; /* Has this crowdsale been finalized */ bool public finalized; /* Do we need to have unique contributor id for each customer */ bool public requireCustomerId; /** * Do we verify that contributor has been cleared on the server side (accredited investors only). * This method was first used in FirstBlood crowdsale to ensure all contributors have accepted terms on sale (on the web). */ bool public requiredSignedAddress; /* Server side address that signed allowed contributors (Ethereum addresses) that can participate the crowdsale */ address public signerAddress; /** How much ETH each address has invested to this crowdsale */ mapping (address => uint256) public investedAmountOf; /** How much tokens this crowdsale has credited for each investor address */ mapping (address => uint256) public tokenAmountOf; /** Addresses that are allowed to invest even before ICO offical opens. For testing, for ICO partners, etc. */ mapping (address => bool) public earlyParticipantWhitelist; /** This is for manul testing for the interaction from owner wallet. You can set it to any value and inspect this in blockchain explorer to see that crowdsale interaction works. */ uint256 public ownerTestValue; uint256 public earlyPariticipantWeiPrice =82815734989648; uint256 public whitelistBonusPercentage = 15; uint256 public whitelistPrincipleLockPercentage = 50; uint256 public whitelistBonusLockPeriod = 7776000; uint256 public whitelistPrincipleLockPeriod = 7776000; /** State machine * * - Preparing: All contract initialization calls and variables have not been set yet * - Prefunding: We have not passed start time yet * - Funding: Active crowdsale * - Success: Minimum funding goal reached * - Failure: Minimum funding goal not reached before ending time * - Finalized: The finalized has been called and succesfully executed * - Refunding: Refunds are loaded on the contract for reclaim. */ enum State{Unknown, Preparing, PreFunding, Funding, Success, Failure, Finalized, Refunding} // A new investment was made event Invested(address investor, uint256 weiAmount, uint256 tokenAmount, uint128 customerId); // Refund was processed for a contributor event Refund(address investor, uint256 weiAmount); // The rules were changed what kind of investments we accept event InvestmentPolicyChanged(bool requireCustId, bool requiredSignedAddr, address signerAddr); // Address early participation whitelist status changed event Whitelisted(address addr, bool status); // Crowdsale end time has been changed event EndsAtChanged(uint256 endAt); // Crowdsale start time has been changed event StartAtChanged(uint256 endsAt); function Crowdsale(address _token, PricingStrategy _pricingStrategy, address _multisigWallet, uint256 _start, uint256 _end, uint256 _minimumFundingGoal, address _tokenVestingAddress) public { owner = msg.sender; token = FractionalERC20(_token); tokenVestingAddress = _tokenVestingAddress; setPricingStrategy(_pricingStrategy); multisigWallet = _multisigWallet; require(multisigWallet != 0); require(_start != 0); startsAt = _start; require(_end != 0); endsAt = _end; // Don't mess the dates require(startsAt < endsAt); // Minimum funding goal can be zero minimumFundingGoal = _minimumFundingGoal; } /** * Don't expect to just send in money and get tokens. */ function() payable public { invest(msg.sender); } /** Function to set default vesting schedule parameters. */ function setDefaultWhitelistVestingParameters(uint256 _bonusPercentage, uint256 _principleLockPercentage, uint256 _bonusLockPeriod, uint256 _principleLockPeriod, uint256 _earlyPariticipantWeiPrice) onlyAllocateAgent public { whitelistBonusPercentage = _bonusPercentage; whitelistPrincipleLockPercentage = _principleLockPercentage; whitelistBonusLockPeriod = _bonusLockPeriod; whitelistPrincipleLockPeriod = _principleLockPeriod; earlyPariticipantWeiPrice = _earlyPariticipantWeiPrice; } /** * Make an investment. * * Crowdsale must be running for one to invest. * We must have not pressed the emergency brake. * * @param receiver The Ethereum address who receives the tokens * @param customerId (optional) UUID v4 to track the successful payments on the server side * */ function investInternal(address receiver, uint128 customerId) stopInEmergency private { uint256 tokenAmount; uint256 weiAmount = msg.value; // Determine if it's a good time to accept investment from this participant if (getState() == State.PreFunding) { // Are we whitelisted for early deposit require(earlyParticipantWhitelist[receiver]); require(weiAmount >= safeMul(15, uint(10 ** 18))); require(weiAmount <= safeMul(50, uint(10 ** 18))); tokenAmount = safeDiv(safeMul(weiAmount, uint(10) ** token.decimals()), earlyPariticipantWeiPrice); if (investedAmountOf[receiver] == 0) { // A new investor investorCount++; } // Update investor investedAmountOf[receiver] = safeAdd(investedAmountOf[receiver],weiAmount); tokenAmountOf[receiver] = safeAdd(tokenAmountOf[receiver],tokenAmount); // Update totals weiRaised = safeAdd(weiRaised,weiAmount); tokensSold = safeAdd(tokensSold,tokenAmount); // Check that we did not bust the cap require(!isBreakingCap(weiAmount, tokenAmount, weiRaised, tokensSold)); if (safeAdd(whitelistPrincipleLockPercentage,whitelistBonusPercentage) > 0) { uint256 principleAmount = safeDiv(safeMul(tokenAmount, 100), safeAdd(whitelistBonusPercentage, 100)); uint256 bonusLockAmount = safeDiv(safeMul(whitelistBonusPercentage, principleAmount), 100); uint256 principleLockAmount = safeDiv(safeMul(whitelistPrincipleLockPercentage, principleAmount), 100); uint256 totalLockAmount = safeAdd(principleLockAmount, bonusLockAmount); TokenVesting tokenVesting = TokenVesting(tokenVestingAddress); // to prevent minting of tokens which will be useless as vesting amount cannot be updated require(!tokenVesting.isVestingSet(receiver)); require(totalLockAmount <= tokenAmount); assignTokens(tokenVestingAddress,totalLockAmount); // set vesting with default schedule tokenVesting.setVesting(receiver, principleLockAmount, whitelistPrincipleLockPeriod, bonusLockAmount, whitelistBonusLockPeriod); } // assign remaining tokens to contributor if (tokenAmount - totalLockAmount > 0) { assignTokens(receiver, tokenAmount - totalLockAmount); } // Pocket the money require(multisigWallet.send(weiAmount)); // Tell us invest was success Invested(receiver, weiAmount, tokenAmount, customerId); } else if(getState() == State.Funding) { // Retail participants can only come in when the crowdsale is running tokenAmount = pricingStrategy.calculatePrice(weiAmount, weiRaised, tokensSold, msg.sender, token.decimals()); require(tokenAmount != 0); if(investedAmountOf[receiver] == 0) { // A new investor investorCount++; } // Update investor investedAmountOf[receiver] = safeAdd(investedAmountOf[receiver],weiAmount); tokenAmountOf[receiver] = safeAdd(tokenAmountOf[receiver],tokenAmount); // Update totals weiRaised = safeAdd(weiRaised,weiAmount); tokensSold = safeAdd(tokensSold,tokenAmount); // Check that we did not bust the cap require(!isBreakingCap(weiAmount, tokenAmount, weiRaised, tokensSold)); assignTokens(receiver, tokenAmount); // Pocket the money require(multisigWallet.send(weiAmount)); // Tell us invest was success Invested(receiver, weiAmount, tokenAmount, customerId); } else { // Unwanted state require(false); } } /** * allocate tokens for the early investors. * * Preallocated tokens have been sold before the actual crowdsale opens. * This function mints the tokens and moves the crowdsale needle. * * Investor count is not handled; it is assumed this goes for multiple investors * and the token distribution happens outside the smart contract flow. * * No money is exchanged, as the crowdsale team already have received the payment. * * @param weiPrice Price of a single full token in wei * */ function preallocate(address receiver, uint256 tokenAmount, uint256 weiPrice, uint256 principleLockAmount, uint256 principleLockPeriod, uint256 bonusLockAmount, uint256 bonusLockPeriod) public onlyAllocateAgent { uint256 weiAmount = (weiPrice * tokenAmount)/10**uint256(token.decimals()); // This can be also 0, we give out tokens for free uint256 totalLockAmount = 0; weiRaised = safeAdd(weiRaised,weiAmount); tokensSold = safeAdd(tokensSold,tokenAmount); investedAmountOf[receiver] = safeAdd(investedAmountOf[receiver],weiAmount); tokenAmountOf[receiver] = safeAdd(tokenAmountOf[receiver],tokenAmount); // cannot lock more than total tokens totalLockAmount = safeAdd(principleLockAmount, bonusLockAmount); require(totalLockAmount <= tokenAmount); // assign locked token to Vesting contract if (totalLockAmount > 0) { TokenVesting tokenVesting = TokenVesting(tokenVestingAddress); // to prevent minting of tokens which will be useless as vesting amount cannot be updated require(!tokenVesting.isVestingSet(receiver)); assignTokens(tokenVestingAddress,totalLockAmount); // set vesting with default schedule tokenVesting.setVesting(receiver, principleLockAmount, principleLockPeriod, bonusLockAmount, bonusLockPeriod); } // assign remaining tokens to contributor if (tokenAmount - totalLockAmount > 0) { assignTokens(receiver, tokenAmount - totalLockAmount); } // Tell us invest was success Invested(receiver, weiAmount, tokenAmount, 0); } /** * Track who is the customer making the payment so we can send thank you email. */ function investWithCustomerId(address addr, uint128 customerId) public payable { require(!requiredSignedAddress); require(customerId != 0); investInternal(addr, customerId); } /** * Allow anonymous contributions to this crowdsale. */ function invest(address addr) public payable { require(!requireCustomerId); require(!requiredSignedAddress); investInternal(addr, 0); } /** * Invest to tokens, recognize the payer and clear his address. * */ // function buyWithSignedAddress(uint128 customerId, uint8 v, bytes32 r, bytes32 s) public payable { // investWithSignedAddress(msg.sender, customerId, v, r, s); // } /** * Invest to tokens, recognize the payer. * */ function buyWithCustomerId(uint128 customerId) public payable { investWithCustomerId(msg.sender, customerId); } /** * The basic entry point to participate the crowdsale process. * * Pay for funding, get invested tokens back in the sender address. */ function buy() public payable { invest(msg.sender); } /** * Finalize a succcesful crowdsale. * * The owner can triggre a call the contract that provides post-crowdsale actions, like releasing the tokens. */ function finalize() public inState(State.Success) onlyOwner stopInEmergency { // Already finalized require(!finalized); // Finalizing is optional. We only call it if we are given a finalizing agent. if(address(finalizeAgent) != 0) { finalizeAgent.finalizeCrowdsale(); } finalized = true; } /** * Allow to (re)set finalize agent. * * Design choice: no state restrictions on setting this, so that we can fix fat finger mistakes. */ function setFinalizeAgent(FinalizeAgent addr) public onlyOwner { finalizeAgent = addr; // Don't allow setting bad agent require(finalizeAgent.isFinalizeAgent()); } /** * Set policy do we need to have server-side customer ids for the investments. * */ function setRequireCustomerId(bool value) public onlyOwner { requireCustomerId = value; InvestmentPolicyChanged(requireCustomerId, requiredSignedAddress, signerAddress); } /** * Allow addresses to do early participation. * * TODO: Fix spelling error in the name */ function setEarlyParicipantWhitelist(address addr, bool status) public onlyAllocateAgent { earlyParticipantWhitelist[addr] = status; Whitelisted(addr, status); } function setWhiteList(address[] _participants) public onlyAllocateAgent { require(_participants.length > 0); uint256 participants = _participants.length; for (uint256 j=0; j<participants; j++) { require(_participants[j] != 0); earlyParticipantWhitelist[_participants[j]] = true; Whitelisted(_participants[j], true); } } /** * Allow crowdsale owner to close early or extend the crowdsale. * * This is useful e.g. for a manual soft cap implementation: * - after X amount is reached determine manual closing * * This may put the crowdsale to an invalid state, * but we trust owners know what they are doing. * */ function setEndsAt(uint time) public onlyOwner { require(now <= time); endsAt = time; EndsAtChanged(endsAt); } /** * Allow crowdsale owner to begin early or extend the crowdsale. * * This is useful e.g. for a manual soft cap implementation: * - after X amount is reached determine manual closing * * This may put the crowdsale to an invalid state, * but we trust owners know what they are doing. * */ function setStartAt(uint time) public onlyOwner { startsAt = time; StartAtChanged(endsAt); } /** * Allow to (re)set pricing strategy. * * Design choice: no state restrictions on the set, so that we can fix fat finger mistakes. */ function setPricingStrategy(PricingStrategy _pricingStrategy) public onlyOwner { pricingStrategy = _pricingStrategy; // Don't allow setting bad agent require(pricingStrategy.isPricingStrategy()); } /** * Allow to change the team multisig address in the case of emergency. * * This allows to save a deployed crowdsale wallet in the case the crowdsale has not yet begun * (we have done only few test transactions). After the crowdsale is going * then multisig address stays locked for the safety reasons. */ function setMultisig(address addr) public onlyOwner { // Change require(investorCount <= MAX_INVESTMENTS_BEFORE_MULTISIG_CHANGE); multisigWallet = addr; } /** * Allow load refunds back on the contract for the refunding. * * The team can transfer the funds back on the smart contract in the case the minimum goal was not reached.. */ function loadRefund() public payable inState(State.Failure) { require(msg.value != 0); loadedRefund = safeAdd(loadedRefund,msg.value); } /** * Investors can claim refund. */ function refund() public inState(State.Refunding) { uint256 weiValue = investedAmountOf[msg.sender]; require(weiValue != 0); investedAmountOf[msg.sender] = 0; weiRefunded = safeAdd(weiRefunded,weiValue); Refund(msg.sender, weiValue); require(msg.sender.send(weiValue)); } /** * @return true if the crowdsale has raised enough money to be a succes */ function isMinimumGoalReached() public constant returns (bool reached) { return weiRaised >= minimumFundingGoal; } /** * Check if the contract relationship looks good. */ function isFinalizerSane() public constant returns (bool sane) { return finalizeAgent.isSane(); } /** * Check if the contract relationship looks good. */ function isPricingSane() public constant returns (bool sane) { return pricingStrategy.isSane(address(this)); } /** * Crowdfund state machine management. * * We make it a function and do not assign the result to a variable, so there is no chance of the variable being stale. */ function getState() public constant returns (State) { if(finalized) return State.Finalized; else if (address(finalizeAgent) == 0) return State.Preparing; else if (!finalizeAgent.isSane()) return State.Preparing; else if (!pricingStrategy.isSane(address(this))) return State.Preparing; else if (block.timestamp < startsAt) return State.PreFunding; else if (block.timestamp <= endsAt && !isCrowdsaleFull()) return State.Funding; else if (isMinimumGoalReached()) return State.Success; else if (!isMinimumGoalReached() && weiRaised > 0 && loadedRefund >= weiRaised) return State.Refunding; else return State.Failure; } /** This is for manual testing of multisig wallet interaction */ function setOwnerTestValue(uint val) public onlyOwner { ownerTestValue = val; } /** Interface marker. */ function isCrowdsale() public pure returns (bool) { return true; } // // Modifiers // /** Modified allowing execution only if the crowdsale is currently running. */ modifier inState(State state) { require(getState() == state); _; } // // Abstract functions // /** * Check if the current invested breaks our cap rules. * * * The child contract must define their own cap setting rules. * We allow a lot of flexibility through different capping strategies (ETH, token count) * Called from invest(). * * @param weiAmount The amount of wei the investor tries to invest in the current transaction * @param tokenAmount The amount of tokens we try to give to the investor in the current transaction * @param weiRaisedTotal What would be our total raised balance after this transaction * @param tokensSoldTotal What would be our total sold tokens count after this transaction * * @return true if taking this investment would break our cap rules */ function isBreakingCap(uint weiAmount, uint tokenAmount, uint weiRaisedTotal, uint tokensSoldTotal) public constant returns (bool limitBroken); /** * Check if the current crowdsale is full and we can no longer sell any tokens. */ function isCrowdsaleFull() public constant returns (bool); /** * Create new tokens or transfer issued tokens to the investor depending on the cap model. */ function assignTokens(address receiver, uint tokenAmount) private; } /** * At the end of the successful crowdsale allocate % bonus of tokens to the team. * * Unlock tokens. * * BonusAllocationFinal must be set as the minting agent for the MintableToken. * */ contract BonusFinalizeAgent is FinalizeAgent, SafeMathLib { CrowdsaleToken public token; Crowdsale public crowdsale; uint256 public allocatedTokens; uint256 tokenCap; address walletAddress; function BonusFinalizeAgent(CrowdsaleToken _token, Crowdsale _crowdsale, uint256 _tokenCap, address _walletAddress) public { token = _token; crowdsale = _crowdsale; //crowdsale address must not be 0 require(address(crowdsale) != 0); tokenCap = _tokenCap; walletAddress = _walletAddress; } /* Can we run finalize properly */ function isSane() public view returns (bool) { return (token.mintAgents(address(this)) == true) && (token.releaseAgent() == address(this)); } /** Called once by crowdsale finalize() if the sale was success. */ function finalizeCrowdsale() public { // if finalized is not being called from the crowdsale // contract then throw require (msg.sender == address(crowdsale)); // get the total sold tokens count. uint256 tokenSupply = token.totalSupply(); allocatedTokens = safeSub(tokenCap,tokenSupply); if ( allocatedTokens > 0) { token.mint(walletAddress, allocatedTokens); } token.releaseTokenTransfer(); } } /** * ICO crowdsale contract that is capped by amout of ETH. * * - Tokens are dynamically created during the crowdsale * * */ contract MintedEthCappedCrowdsale is Crowdsale { /* Maximum amount of wei this crowdsale can raise. */ uint public weiCap; function MintedEthCappedCrowdsale(address _token, PricingStrategy _pricingStrategy, address _multisigWallet, uint256 _start, uint256 _end, uint256 _minimumFundingGoal, uint256 _weiCap, address _tokenVestingAddress) Crowdsale(_token, _pricingStrategy, _multisigWallet, _start, _end, _minimumFundingGoal,_tokenVestingAddress) public { weiCap = _weiCap; } /** * Called from invest() to confirm if the curret investment does not break our cap rule. */ function isBreakingCap(uint256 weiAmount, uint256 tokenAmount, uint256 weiRaisedTotal, uint256 tokensSoldTotal) public constant returns (bool limitBroken) { return weiRaisedTotal > weiCap; } function isCrowdsaleFull() public constant returns (bool) { return weiRaised >= weiCap; } /** * Dynamically create tokens and assign them to the investor. */ function assignTokens(address receiver, uint256 tokenAmount) private { MintableToken mintableToken = MintableToken(token); mintableToken.mint(receiver, tokenAmount); } } /// @dev Tranche based pricing with special support for pre-ico deals. /// Implementing "first price" tranches, meaning, that if byers order is /// covering more than one tranche, the price of the lowest tranche will apply /// to the whole order. contract EthTranchePricing is PricingStrategy, Ownable, SafeMathLib { uint public constant MAX_TRANCHES = 10; // This contains all pre-ICO addresses, and their prices (weis per token) mapping (address => uint256) public preicoAddresses; /** * Define pricing schedule using tranches. */ struct Tranche { // Amount in weis when this tranche becomes active uint amount; // How many tokens per wei you will get while this tranche is active uint price; } // Store tranches in a fixed array, so that it can be seen in a blockchain explorer // Tranche 0 is always (0, 0) // (TODO: change this when we confirm dynamic arrays are explorable) Tranche[10] public tranches; // How many active tranches we have uint public trancheCount; /// @dev Contruction, creating a list of tranches /// @param _tranches uint[] tranches Pairs of (start amount, price) function EthTranchePricing(uint[] _tranches) public { // Need to have tuples, length check require(!(_tranches.length % 2 == 1 || _tranches.length >= MAX_TRANCHES*2)); trancheCount = _tranches.length / 2; uint256 highestAmount = 0; for(uint256 i=0; i<_tranches.length/2; i++) { tranches[i].amount = _tranches[i*2]; tranches[i].price = _tranches[i*2+1]; // No invalid steps require(!((highestAmount != 0) && (tranches[i].amount <= highestAmount))); highestAmount = tranches[i].amount; } // We need to start from zero, otherwise we blow up our deployment require(tranches[0].amount == 0); // Last tranche price must be zero, terminating the crowdale require(tranches[trancheCount-1].price == 0); } /// @dev This is invoked once for every pre-ICO address, set pricePerToken /// to 0 to disable /// @param preicoAddress PresaleFundCollector address /// @param pricePerToken How many weis one token cost for pre-ico investors function setPreicoAddress(address preicoAddress, uint pricePerToken) public onlyOwner { preicoAddresses[preicoAddress] = pricePerToken; } /// @dev Iterate through tranches. You reach end of tranches when price = 0 /// @return tuple (time, price) function getTranche(uint256 n) public constant returns (uint, uint) { return (tranches[n].amount, tranches[n].price); } function getFirstTranche() private constant returns (Tranche) { return tranches[0]; } function getLastTranche() private constant returns (Tranche) { return tranches[trancheCount-1]; } function getPricingStartsAt() public constant returns (uint) { return getFirstTranche().amount; } function getPricingEndsAt() public constant returns (uint) { return getLastTranche().amount; } function isSane(address _crowdsale) public view returns(bool) { // Our tranches are not bound by time, so we can't really check are we sane // so we presume we are ;) // In the future we could save and track raised tokens, and compare it to // the Crowdsale contract. return true; } /// @dev Get the current tranche or bail out if we are not in the tranche periods. /// @param weiRaised total amount of weis raised, for calculating the current tranche /// @return {[type]} [description] function getCurrentTranche(uint256 weiRaised) private constant returns (Tranche) { uint i; for(i=0; i < tranches.length; i++) { if(weiRaised < tranches[i].amount) { return tranches[i-1]; } } } /// @dev Get the current price. /// @param weiRaised total amount of weis raised, for calculating the current tranche /// @return The current price or 0 if we are outside trache ranges function getCurrentPrice(uint256 weiRaised) public constant returns (uint256 result) { return getCurrentTranche(weiRaised).price; } /// @dev Calculate the current price for buy in amount. function calculatePrice(uint256 value, uint256 weiRaised, uint256 tokensSold, address msgSender, uint256 decimals) public constant returns (uint256) { uint256 multiplier = 10 ** decimals; // This investor is coming through pre-ico if(preicoAddresses[msgSender] > 0) { return safeMul(value, multiplier) / preicoAddresses[msgSender]; } uint256 price = getCurrentPrice(weiRaised); return safeMul(value, multiplier) / price; } function() payable public { revert(); // No money on this contract } } /** * Contract to enforce Token Vesting */ contract TokenVesting is Allocatable, SafeMathLib { address public TokenAddress; /** keep track of total tokens yet to be released, * this should be less than or equal to tokens held by this contract. */ uint256 public totalUnreleasedTokens; struct VestingSchedule { uint256 startAt; uint256 principleLockAmount; uint256 principleLockPeriod; uint256 bonusLockAmount; uint256 bonusLockPeriod; uint256 amountReleased; bool isPrincipleReleased; bool isBonusReleased; } mapping (address => VestingSchedule) public vestingMap; event VestedTokensReleased(address _adr, uint256 _amount); function TokenVesting(address _TokenAddress) public { TokenAddress = _TokenAddress; } /** Function to set/update vesting schedule. PS - Amount cannot be changed once set */ function setVesting(address _adr, uint256 _principleLockAmount, uint256 _principleLockPeriod, uint256 _bonusLockAmount, uint256 _bonuslockPeriod) public onlyAllocateAgent { VestingSchedule storage vestingSchedule = vestingMap[_adr]; // data validation require(safeAdd(_principleLockAmount, _bonusLockAmount) > 0); //startAt is set current time as start time. vestingSchedule.startAt = block.timestamp; vestingSchedule.bonusLockPeriod = safeAdd(block.timestamp,_bonuslockPeriod); vestingSchedule.principleLockPeriod = safeAdd(block.timestamp,_principleLockPeriod); // check if enough tokens are held by this contract ERC20 token = ERC20(TokenAddress); uint256 _totalAmount = safeAdd(_principleLockAmount, _bonusLockAmount); require(token.balanceOf(this) >= safeAdd(totalUnreleasedTokens, _totalAmount)); vestingSchedule.principleLockAmount = _principleLockAmount; vestingSchedule.bonusLockAmount = _bonusLockAmount; vestingSchedule.isPrincipleReleased = false; vestingSchedule.isBonusReleased = false; totalUnreleasedTokens = safeAdd(totalUnreleasedTokens, _totalAmount); vestingSchedule.amountReleased = 0; } function isVestingSet(address adr) public constant returns (bool isSet) { return vestingMap[adr].principleLockAmount != 0 || vestingMap[adr].bonusLockAmount != 0; } /** Release tokens as per vesting schedule, called by contributor */ function releaseMyVestedTokens() public { releaseVestedTokens(msg.sender); } /** Release tokens as per vesting schedule, called by anyone */ function releaseVestedTokens(address _adr) public { VestingSchedule storage vestingSchedule = vestingMap[_adr]; uint256 _totalTokens = safeAdd(vestingSchedule.principleLockAmount, vestingSchedule.bonusLockAmount); // check if all tokens are not vested require(safeSub(_totalTokens, vestingSchedule.amountReleased) > 0); // calculate total vested tokens till now uint256 amountToRelease = 0; if (block.timestamp >= vestingSchedule.principleLockPeriod && !vestingSchedule.isPrincipleReleased) { amountToRelease = safeAdd(amountToRelease,vestingSchedule.principleLockAmount); vestingSchedule.amountReleased = safeAdd(vestingSchedule.amountReleased, amountToRelease); vestingSchedule.isPrincipleReleased = true; } if (block.timestamp >= vestingSchedule.bonusLockPeriod && !vestingSchedule.isBonusReleased) { amountToRelease = safeAdd(amountToRelease,vestingSchedule.bonusLockAmount); vestingSchedule.amountReleased = safeAdd(vestingSchedule.amountReleased, amountToRelease); vestingSchedule.isBonusReleased = true; } // transfer vested tokens require(amountToRelease > 0); ERC20 token = ERC20(TokenAddress); token.transfer(_adr, amountToRelease); // decrement overall unreleased token count totalUnreleasedTokens = safeSub(totalUnreleasedTokens, amountToRelease); VestedTokensReleased(_adr, amountToRelease); } }
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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)
00000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000d4920484f55534520544f4b454e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034948540000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _name (string): I HOUSE TOKEN
Arg [1] : _symbol (string): IHT
Arg [2] : _initialSupply (uint256): 0
Arg [3] : _decimals (uint8): 18
Arg [4] : _mintable (bool): True
-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [5] : 000000000000000000000000000000000000000000000000000000000000000d
Arg [6] : 4920484f55534520544f4b454e00000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [8] : 4948540000000000000000000000000000000000000000000000000000000000
Swarm Source
bzzr://814c58a8c440f8a64cda6204cbf7bf296a3d8a82ee2c2221fb8a73853ab762dd
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