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Private Name Tags
ContractCreator
TokenTracker
Latest 25 from a total of 1,595 transactions
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Approve | 20318880 | 37 days ago | IN | 0 ETH | 0.00046922 | ||||
Approve | 15643208 | 693 days ago | IN | 0 ETH | 0.00049485 | ||||
Transfer | 13583566 | 1017 days ago | IN | 0 ETH | 0.00735863 | ||||
Approve | 11481743 | 1343 days ago | IN | 0 ETH | 0.00132216 | ||||
Approve | 11190657 | 1387 days ago | IN | 0 ETH | 0.00136295 | ||||
Approve | 11127737 | 1397 days ago | IN | 0 ETH | 0.00079912 | ||||
Transfer | 11127589 | 1397 days ago | IN | 0 ETH | 0.00060771 | ||||
Approve | 11085678 | 1403 days ago | IN | 0 ETH | 0.0017188 | ||||
Approve | 11082608 | 1404 days ago | IN | 0 ETH | 0.0010655 | ||||
Approve | 11082018 | 1404 days ago | IN | 0 ETH | 0.00045352 | ||||
Approve | 11082018 | 1404 days ago | IN | 0 ETH | 0.00071033 | ||||
Transfer | 11081679 | 1404 days ago | IN | 0 ETH | 0.00119128 | ||||
Transfer | 11081675 | 1404 days ago | IN | 0 ETH | 0.00119156 | ||||
Transfer | 11081672 | 1404 days ago | IN | 0 ETH | 0.00119156 | ||||
Transfer | 11081670 | 1404 days ago | IN | 0 ETH | 0.00119156 | ||||
Approve | 11081419 | 1404 days ago | IN | 0 ETH | 0.00158659 | ||||
Approve | 11081338 | 1404 days ago | IN | 0 ETH | 0.00114649 | ||||
Transfer | 11033574 | 1411 days ago | IN | 0 ETH | 0.00120209 | ||||
Transfer | 10895476 | 1433 days ago | IN | 0 ETH | 0.00438288 | ||||
Approve | 10895422 | 1433 days ago | IN | 0 ETH | 0.00417322 | ||||
Transfer | 10895405 | 1433 days ago | IN | 0 ETH | 0.00438003 | ||||
Approve | 10216515 | 1538 days ago | IN | 0 ETH | 0.00224767 | ||||
Transfer | 10076891 | 1559 days ago | IN | 0 ETH | 0.0005676 | ||||
Approve | 9923851 | 1583 days ago | IN | 0 ETH | 0.00039675 | ||||
Approve | 9762338 | 1608 days ago | IN | 0 ETH | 0.00017624 |
Latest 1 internal transaction
Advanced mode:
Parent Transaction Hash | Block | From | To | |||
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4561537 | 2472 days ago | 0.00099999 ETH |
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Contract Name:
HumanStandardToken
Compiler Version
v0.4.11+commit.68ef5810
Optimization Enabled:
Yes with 0 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-12-06 */ pragma solidity ^0.4.8; 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) public 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) public 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) public 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) public 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) public constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); } contract StandardToken is Token { uint256 constant MAX_UINT256 = 2**256 - 1; function transfer(address _to, uint256 _value) public 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) public 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]); uint256 allowance = allowed[_from][msg.sender]; require(balances[_from] >= _value && allowance >= _value); balances[_to] += _value; balances[_from] -= _value; if (allowance < MAX_UINT256) { allowed[_from][msg.sender] -= _value; } Transfer(_from, _to, _value); return true; } function balanceOf(address _owner) constant public returns (uint256 balance) { return balances[_owner]; } function approve(address _spender, uint256 _value) public returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) public constant returns (uint256 remaining) { return allowed[_owner][_spender]; } mapping (address => uint256) balances; mapping (address => mapping (address => uint256)) allowed; } 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 ) public { 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) public 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 when one does this that the call *should* succeed, otherwise one would use vanilla approve instead. require(_spender.call(bytes4(bytes32(keccak256("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)); return true; } }
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":[{"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
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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)
00000000000000000000000000000000000000000000000006f05b59d3b200000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000900000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000b52656365697074436f696e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025243000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _initialAmount (uint256): 500000000000000000
Arg [1] : _tokenName (string): ReceiptCoin
Arg [2] : _decimalUnits (uint8): 9
Arg [3] : _tokenSymbol (string): RC
-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000006f05b59d3b20000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [4] : 000000000000000000000000000000000000000000000000000000000000000b
Arg [5] : 52656365697074436f696e000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [7] : 5243000000000000000000000000000000000000000000000000000000000000
Swarm Source
bzzr://69db8ea63d75ccb6b4584f8c662012269f6b7d8462c4c642185e824c57e364b4
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Multichain Portfolio | 26 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.