ERC-20
Currency
Overview
Max Total Supply
21,000,000 ETHB
Holders
17,218 (0.00%)
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 8 Decimals)
Balance
100.0378 ETHBValue
$0.00Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
SimpleToken
Compiler Version
v0.4.13+commit.fb4cb1a
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-07-09 */ pragma solidity ^0.4.6; library SafeMath { function mul(uint a, uint b) internal returns (uint) { uint c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint a, uint b) internal returns (uint) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint a, uint b) internal returns (uint) { assert(b <= a); return a - b; } function add(uint a, uint b) internal returns (uint) { uint c = a + b; assert(c >= a); return c; } function max64(uint64 a, uint64 b) internal constant returns (uint64) { return a >= b ? a : b; } function min64(uint64 a, uint64 b) internal constant returns (uint64) { return a < b ? a : b; } function max256(uint256 a, uint256 b) internal constant returns (uint256) { return a >= b ? a : b; } function min256(uint256 a, uint256 b) internal constant returns (uint256) { return a < b ? a : b; } function assert(bool assertion) internal { if (!assertion) { throw; } } } contract ERC20Basic { uint public totalSupply; function balanceOf(address who) constant returns (uint); function transfer(address to, uint value); event Transfer(address indexed from, address indexed to, uint value); } contract ERC20 is ERC20Basic { function allowance(address owner, address spender) constant returns (uint); function transferFrom(address from, address to, uint value); function approve(address spender, uint value); event Approval(address indexed owner, address indexed spender, uint value); } contract BasicToken is ERC20Basic { using SafeMath for uint; mapping(address => uint) balances; modifier onlyPayloadSize(uint size) { if(msg.data.length < size + 4) { throw; } _; } /** * @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, uint _value) onlyPayloadSize(2 * 32) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint representing the amount owned by the passed address. */ function balanceOf(address _owner) constant returns (uint balance) { return balances[_owner]; } } contract StandardToken is BasicToken, ERC20 { mapping (address => mapping (address => uint)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint the amout of tokens to be transfered */ function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) { var _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // if (_value > _allowance) throw; balances[_to] = balances[_to].add(_value); balances[_from] = balances[_from].sub(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); } /** * @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint _value) { // To change the approve amount you first have to reduce the addresses` // allowance to zero by calling `approve(_spender, 0)` if it is not // already 0 to mitigate the race condition described here: // https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw; allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); } /** * @dev Function to check the amount of tokens than 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 uint specifing the amount of tokens still avaible for the spender. */ function allowance(address _owner, address _spender) constant returns (uint remaining) { return allowed[_owner][_spender]; } } contract SimpleToken is StandardToken { string public name = "ETHERBTC"; string public symbol = "ETHB"; uint public decimals = 8; uint public INITIAL_SUPPLY = 2100000000000000; function SimpleToken() { totalSupply = INITIAL_SUPPLY; balances[msg.sender] = INITIAL_SUPPLY; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"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":[],"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":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"INITIAL_SUPPLY","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"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":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://2f877db88e664d0895af55aed7fe700c9b5c406adaf9c631f23ba2a850ed89cd
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