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Contract Overview | SpankChainToken
ETH Balance: 0 Ether
ETH USD Value: $0
No Of Transactions: 12352 txns
Token Tracker 0x42d6622dece394b54999fbd73d108123806f6a18
  Latest 25 txns from a total Of 12352 transactions View All

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0x5df2addb4fe72306ee5186b996d6dad716f3aee1055dde1a160531af2fad90211 min agoBitfinex_Wallet4  IN   SpankChainToken0 Ether0.00154593
0x29b5fb7d8c97681d808a07346a649b94b8f39c5197ce4f4bf20137208c84b1ee2 mins ago0x3b0cf57f25f8107670350fc61026c4041662230e  IN   SpankChainToken0 Ether0.001500395
0x73614457e3d75788b64b6ccccbc4b68852e3a08535fa663c4da2ad4b433ae2b45 mins agoBitfinex_Wallet4  IN   SpankChainToken0 Ether0.00154977
0x4c92117a9e5cb04ea191d8b16efa8b792acf8c2cacab0d5ebd069ed2b4bca5d714 mins agoBitfinex_Wallet4  IN   SpankChainToken0 Ether0.00154977
0x71e4bae4fd50fd9fffa434129bec1161e334fbe21be4de01d057a2db7a87d7b554 mins ago0x32aba52efb63058056357c3a3a434e91b0374279  IN   SpankChainToken0 Ether0.0014638
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 Internal Transactions as a result of Contract Execution
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Warning: The compiled contract might be susceptible to ZeroFunctionSelector (very low-severity) Solidity compiler bugs.

Contract Source Code Verified
Contract Name: HumanStandardToken
Compiler Version: v0.4.15+commit.bbb8e64f
Optimization Enabled: Yes
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts
// Abstract contract for the full ERC 20 Token standard
// https://github.com/ethereum/EIPs/issues/20
pragma solidity 0.4.15;

contract Token {
    /* This is a slight change to the ERC20 base standard.
    function totalSupply() constant returns (uint256 supply);
    is replaced with:
    uint256 public totalSupply;
    This automatically creates a getter function for the totalSupply.
    This is moved to the base contract since public getter functions are not
    currently recognised as an implementation of the matching abstract
    function by the compiler.
    */
    /// total amount of tokens
    uint256 public totalSupply;

    /// @param _owner The address from which the balance will be retrieved
    /// @return The balance
    function balanceOf(address _owner) constant returns (uint256 balance);

    /// @notice send `_value` token to `_to` from `msg.sender`
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transfer(address _to, uint256 _value) returns (bool success);

    /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
    /// @param _from The address of the sender
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success);

    /// @notice `msg.sender` approves `_spender` to spend `_value` tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _value The amount of tokens to be approved for transfer
    /// @return Whether the approval was successful or not
    function approve(address _spender, uint256 _value) returns (bool success);

    /// @param _owner The address of the account owning tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @return Amount of remaining tokens allowed to spent
    function allowance(address _owner, address _spender) constant returns (uint256 remaining);

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}


/*
You should inherit from StandardToken or, for a token like you would want to
deploy in something like Mist, see HumanStandardToken.sol.
(This implements ONLY the standard functions and NOTHING else.
If you deploy this, you won't have anything useful.)

Implements ERC 20 Token standard: https://github.com/ethereum/EIPs/issues/20
.*/
contract StandardToken is Token {

    function transfer(address _to, uint256 _value) returns (bool success) {
        //Default assumes totalSupply can't be over max (2^256 - 1).
        //If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap.
        //Replace the if with this one instead.
        //require(balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]);
        require(balances[msg.sender] >= _value);
        balances[msg.sender] -= _value;
        balances[_to] += _value;
        Transfer(msg.sender, _to, _value);
        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
        //same as above. Replace this line with the following if you want to protect against wrapping uints.
        //require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]);
        require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);
        balances[_to] += _value;
        balances[_from] -= _value;
        allowed[_from][msg.sender] -= _value;
        Transfer(_from, _to, _value);
        return true;
    }

    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }

    function approve(address _spender, uint256 _value) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
      return allowed[_owner][_spender];
    }

    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowed;
}

/*
This Token Contract implements the standard token functionality (https://github.com/ethereum/EIPs/issues/20) as well as the following OPTIONAL extras intended for use by humans.

In other words. This is intended for deployment in something like a Token Factory or Mist wallet, and then used by humans.
Imagine coins, currencies, shares, voting weight, etc.
Machine-based, rapid creation of many tokens would not necessarily need these extra features or will be minted in other manners.

1) Initial Finite Supply (upon creation one specifies how much is minted).
2) In the absence of a token registry: Optional Decimal, Symbol & Name.
3) Optional approveAndCall() functionality to notify a contract if an approval() has occurred.

.*/
contract HumanStandardToken is StandardToken {

    /* Public variables of the token */

    /*
    NOTE:
    The following variables are OPTIONAL vanities. One does not have to include them.
    They allow one to customise the token contract & in no way influences the core functionality.
    Some wallets/interfaces might not even bother to look at this information.
    */
    string public name;                   //fancy name: eg Simon Bucks
    uint8 public decimals;                //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It's like comparing 1 wei to 1 ether.
    string public symbol;                 //An identifier: eg SBX
    string public version = 'H0.1';       //human 0.1 standard. Just an arbitrary versioning scheme.

    function HumanStandardToken(
        uint256 _initialAmount,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol
        ) {
        balances[msg.sender] = _initialAmount;               // Give the creator all initial tokens
        totalSupply = _initialAmount;                        // Update total supply
        name = _tokenName;                                   // Set the name for display purposes
        decimals = _decimalUnits;                            // Amount of decimals for display purposes
        symbol = _tokenSymbol;                               // Set the symbol for display purposes
    }

    /* Approves and then calls the receiving contract */
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);

        //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
        //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
        //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
        require(_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData));
        return true;
    }
}

    Contract ABI  
[{"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":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"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":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"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":[{"name":"_initialAmount","type":"uint256"},{"name":"_tokenName","type":"string"},{"name":"_decimalUnits","type":"uint8"},{"name":"_tokenSymbol","type":"string"}],"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"}]

  Contract Creation Code Switch To Opcodes View
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

    Constructor Arguments (ABI-encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000033b2e3c9fd0803ce80000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000055350414e4b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000055350414e4b000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Found 8 constructor arguments :
Arg [0] : 0000000000000000000000000000000000000000033b2e3c9fd0803ce8000000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [5] : 5350414e4b000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [7] : 5350414e4b000000000000000000000000000000000000000000000000000000


   Swarm Source:
bzzr://4ea5c790cc748d43f755d73ed2f2036c23684f7d9aacc883e2d580f113198099

 

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