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Private Name Tags
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TokenTracker
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Contract Name:
EtherollToken
Compiler Version
v0.4.8+commit.60cc1668
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-02-13 */ pragma solidity ^0.4.2; /* `* is owned */ contract owned { address public owner; function owned() { owner = msg.sender; } modifier onlyOwner { if (msg.sender != owner) throw; _; } function ownerTransferOwnership(address newOwner) onlyOwner { owner = newOwner; } } /* * safe math */ contract DSSafeAddSub { function safeToAdd(uint a, uint b) internal returns (bool) { return (a + b >= a); } function safeAdd(uint a, uint b) internal returns (uint) { if (!safeToAdd(a, b)) throw; return a + b; } function safeToSubtract(uint a, uint b) internal returns (bool) { return (b <= a); } function safeSub(uint a, uint b) internal returns (uint) { if (!safeToSubtract(a, b)) throw; return a - b; } } /** * * @title EtherollToken * * The official token powering etheroll. * EtherollToken is a ERC.20 standard token with some custom functionality * */ contract EtherollToken is owned, DSSafeAddSub { /* check address */ modifier onlyBy(address _account) { if (msg.sender != _account) throw; _; } /* vars */ string public standard = 'Token 1.0'; string public name = "DICE"; string public symbol = "ROL"; uint8 public decimals = 16; uint public totalSupply = 250000000000000000000000; address public priviledgedAddress; bool public tokensFrozen; uint public crowdfundDeadline = now + 2 * 1 weeks; uint public nextFreeze = now + 12 * 1 weeks; uint public nextThaw = now + 13 * 1 weeks; /* map balances */ mapping (address => uint) public balanceOf; mapping (address => mapping (address => uint)) public allowance; /* events */ event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event LogTokensFrozen(bool indexed Frozen); /* * @notice sends all tokens to msg.sender on init */ function EtherollToken(){ /* send creator all initial tokens 25,000,000 */ balanceOf[msg.sender] = 250000000000000000000000; /* tokens are not frozen */ tokensFrozen = false; } /* * @notice public function * @param _to address to send tokens to * @param _value number of tokens to transfer * @returns boolean success */ function transfer(address _to, uint _value) public returns (bool success) { if(tokensFrozen && msg.sender != priviledgedAddress) return false; /* transfer only by priviledgedAddress during crowdfund or reward phases */ if (balanceOf[msg.sender] < _value) return false; /* check if the sender has enough */ if (balanceOf[_to] + _value < balanceOf[_to]) return false; /* check for overflows */ balanceOf[msg.sender] -= _value; /* subtract from the sender */ balanceOf[_to] += _value; /* add the same to the recipient */ Transfer(msg.sender, _to, _value); /* notify anyone listening that this transfer took place */ return true; } /* * @notice public function * @param _from address to send tokens from * @param _to address to send tokens to * @param _value number of tokens to transfer * @returns boolean success * another contract attempts to spend tokens on your behalf */ function transferFrom(address _from, address _to, uint _value) public returns (bool success) { if(tokensFrozen && msg.sender != priviledgedAddress) return false; /* transfer only by priviledgedAddress during crowdfund or reward phases */ if (balanceOf[_from] < _value) return false; /* check if the sender has enough */ if (balanceOf[_to] + _value < balanceOf[_to]) return false; /* check for overflows */ if (_value > allowance[_from][msg.sender]) return false; /* check allowance */ balanceOf[_from] -= _value; /* subtract from the sender */ balanceOf[_to] += _value; /* add the same to the recipient */ allowance[_from][msg.sender] -= _value; /* reduce allowance */ Transfer(_from, _to, _value); /* notify anyone listening that this transfer took place */ return true; } /* * @notice public function * @param _spender address being granted approval to spend on behalf of msg.sender * @param _value number of tokens granted approval for _spender to spend on behalf of msg.sender * @returns boolean success * approves another contract to spend some tokens on your behalf */ function approve(address _spender, uint _value) public returns (bool success) { /* set allowance for _spender on behalf of msg.sender */ allowance[msg.sender][_spender] = _value; /* log event about transaction */ Approval(msg.sender, _spender, _value); return true; } /* * @notice address restricted function * crowdfund contract calls this to burn its unsold coins */ function priviledgedAddressBurnUnsoldCoins() public /* only crowdfund contract can call this */ onlyBy(priviledgedAddress) { /* totalSupply should equal total tokens in circulation */ totalSupply = safeSub(totalSupply, balanceOf[priviledgedAddress]); /* burns unsold tokens from crowdfund address */ balanceOf[priviledgedAddress] = 0; } /* * @notice public function * locks/unlocks tokens on a recurring cycle */ function updateTokenStatus() public { /* locks tokens during initial crowdfund period */ if(now < crowdfundDeadline){ tokensFrozen = true; LogTokensFrozen(tokensFrozen); } /* locks tokens */ if(now >= nextFreeze){ tokensFrozen = true; LogTokensFrozen(tokensFrozen); } /* unlocks tokens */ if(now >= nextThaw){ tokensFrozen = false; nextFreeze = now + 12 * 1 weeks; nextThaw = now + 13 * 1 weeks; LogTokensFrozen(tokensFrozen); } } /* * @notice owner restricted function * @param _newPriviledgedAddress the address * only this address can burn unsold tokens * transfer tokens only by priviledgedAddress during crowdfund or reward phases */ function ownerSetPriviledgedAddress(address _newPriviledgedAddress) public onlyOwner { priviledgedAddress = _newPriviledgedAddress; } }
Contract Security Audit
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[{"constant":false,"inputs":[{"name":"_newPriviledgedAddress","type":"address"}],"name":"ownerSetPriviledgedAddress","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"updateTokenStatus","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"tokensFrozen","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"nextThaw","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"standard","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"priviledgedAddressBurnUnsoldCoins","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"crowdfundDeadline","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"nextFreeze","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"priviledgedAddress","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"ownerTransferOwnership","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"Frozen","type":"bool"}],"name":"LogTokensFrozen","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://437a367cded753a84cfeb998ad796a71a581398d9fd01bb0a80cf8d809f6ea0e
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Multichain Portfolio | 29 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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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.