ERC-20
Overview
Max Total Supply
1,000,000,000,000 Droid
Holders
3,401
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 8 Decimals)
Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
DroidEIP20Token
Compiler Version
v0.4.20+commit.3155dd80
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-05-02 */ pragma solidity ^0.4.16; /* * Abstract Token Smart Contract. Copyright © 2017 by ABDK Consulting. * Author: Mikhail Vladimirov <[email protected]> */ pragma solidity ^0.4.20; /* * EIP-20 Standard Token Smart Contract Interface. * Copyright © 2016–2018 by ABDK Consulting. * Author: Mikhail Vladimirov <[email protected]> */ pragma solidity ^0.4.20; /** * ERC-20 standard token interface, as defined * <a href="https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md">here</a>. */ contract Token { /** * Get total number of tokens in circulation. * * @return total number of tokens in circulation */ function totalSupply () public view returns (uint256 supply); /** * Get number of tokens currently belonging to given owner. * * @param _owner address to get number of tokens currently belonging to the * owner of * @return number of tokens currently belonging to the owner of given address */ function balanceOf (address _owner) public view returns (uint256 balance); /** * Transfer given number of tokens from message sender to given recipient. * * @param _to address to transfer tokens to the owner of * @param _value number of tokens to transfer to the owner of given address * @return true if tokens were transferred successfully, false otherwise */ function transfer (address _to, uint256 _value) public returns (bool success); /** * Transfer given number of tokens from given owner to given recipient. * * @param _from address to transfer tokens from the owner of * @param _to address to transfer tokens to the owner of * @param _value number of tokens to transfer from given owner to given * recipient * @return true if tokens were transferred successfully, false otherwise */ function transferFrom (address _from, address _to, uint256 _value) public returns (bool success); /** * Allow given spender to transfer given number of tokens from message sender. * * @param _spender address to allow the owner of to transfer tokens from * message sender * @param _value number of tokens to allow to transfer * @return true if token transfer was successfully approved, false otherwise */ function approve (address _spender, uint256 _value) public returns (bool success); /** * Tell how many tokens given spender is currently allowed to transfer from * given owner. * * @param _owner address to get number of tokens allowed to be transferred * from the owner of * @param _spender address to get number of tokens allowed to be transferred * by the owner of * @return number of tokens given spender is currently allowed to transfer * from given owner */ function allowance (address _owner, address _spender) public view returns (uint256 remaining); /** * Logged when tokens were transferred from one owner to another. * * @param _from address of the owner, tokens were transferred from * @param _to address of the owner, tokens were transferred to * @param _value number of tokens transferred */ event Transfer (address indexed _from, address indexed _to, uint256 _value); /** * Logged when owner approved his tokens to be transferred by some spender. * * @param _owner owner who approved his tokens to be transferred * @param _spender spender who were allowed to transfer the tokens belonging * to the owner * @param _value number of tokens belonging to the owner, approved to be * transferred by the spender */ event Approval ( address indexed _owner, address indexed _spender, uint256 _value); } /* * Safe Math Smart Contract. Copyright © 2016–2017 by ABDK Consulting. * Author: Mikhail Vladimirov <[email protected]> */ pragma solidity ^0.4.20; /** * Provides methods to safely add, subtract and multiply uint256 numbers. */ contract SafeMath { uint256 constant private MAX_UINT256 = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; /** * Add two uint256 values, throw in case of overflow. * * @param x first value to add * @param y second value to add * @return x + y */ function safeAdd (uint256 x, uint256 y) pure internal returns (uint256 z) { assert (x <= MAX_UINT256 - y); return x + y; } /** * Subtract one uint256 value from another, throw in case of underflow. * * @param x value to subtract from * @param y value to subtract * @return x - y */ function safeSub (uint256 x, uint256 y) pure internal returns (uint256 z) { assert (x >= y); return x - y; } /** * Multiply two uint256 values, throw in case of overflow. * * @param x first value to multiply * @param y second value to multiply * @return x * y */ function safeMul (uint256 x, uint256 y) pure internal returns (uint256 z) { if (y == 0) return 0; // Prevent division by zero at the next line assert (x <= MAX_UINT256 / y); return x * y; } } /** * Abstract Token Smart Contract that could be used as a base contract for * ERC-20 token contracts. */ contract AbstractToken is Token, SafeMath { /** * Create new Abstract Token contract. */ function AbstractToken () public { // Do nothing } /** * Get number of tokens currently belonging to given owner. * * @param _owner address to get number of tokens currently belonging to the * owner of * @return number of tokens currently belonging to the owner of given address */ function balanceOf (address _owner) public view returns (uint256 balance) { return accounts [_owner]; } /** * Transfer given number of tokens from message sender to given recipient. * * @param _to address to transfer tokens to the owner of * @param _value number of tokens to transfer to the owner of given address * @return true if tokens were transferred successfully, false otherwise */ function transfer (address _to, uint256 _value) public returns (bool success) { uint256 fromBalance = accounts [msg.sender]; if (fromBalance < _value) return false; if (_value > 0 && msg.sender != _to) { accounts [msg.sender] = safeSub (fromBalance, _value); accounts [_to] = safeAdd (accounts [_to], _value); } Transfer (msg.sender, _to, _value); return true; } /** * Transfer given number of tokens from given owner to given recipient. * * @param _from address to transfer tokens from the owner of * @param _to address to transfer tokens to the owner of * @param _value number of tokens to transfer from given owner to given * recipient * @return true if tokens were transferred successfully, false otherwise */ function transferFrom (address _from, address _to, uint256 _value) public returns (bool success) { uint256 spenderAllowance = allowances [_from][msg.sender]; if (spenderAllowance < _value) return false; uint256 fromBalance = accounts [_from]; if (fromBalance < _value) return false; allowances [_from][msg.sender] = safeSub (spenderAllowance, _value); if (_value > 0 && _from != _to) { accounts [_from] = safeSub (fromBalance, _value); accounts [_to] = safeAdd (accounts [_to], _value); } Transfer (_from, _to, _value); return true; } /** * Allow given spender to transfer given number of tokens from message sender. * * @param _spender address to allow the owner of to transfer tokens from * message sender * @param _value number of tokens to allow to transfer * @return true if token transfer was successfully approved, false otherwise */ function approve (address _spender, uint256 _value) public returns (bool success) { allowances [msg.sender][_spender] = _value; Approval (msg.sender, _spender, _value); return true; } /** * Tell how many tokens given spender is currently allowed to transfer from * given owner. * * @param _owner address to get number of tokens allowed to be transferred * from the owner of * @param _spender address to get number of tokens allowed to be transferred * by the owner of * @return number of tokens given spender is currently allowed to transfer * from given owner */ function allowance (address _owner, address _spender) public view returns (uint256 remaining) { return allowances [_owner][_spender]; } /** * Mapping from addresses of token holders to the numbers of tokens belonging * to these token holders. */ mapping (address => uint256) internal accounts; /** * Mapping from addresses of token holders to the mapping of addresses of * spenders to the allowances set by these token holders to these spenders. */ mapping (address => mapping (address => uint256)) internal allowances; } /** * Convergence of 4 Dimensions LLC token smart contract. */ contract DroidEIP20Token is AbstractToken { /** * Address of the owner of this smart contract. */ address private owner; /** * Total number of tokens in circulation. */ uint256 tokenCount; /** * True if tokens transfers are currently frozen, false otherwise. */ bool frozen = false; /** * Create new Convergence of 4 Dimensions LLC token smart contract, with given number of tokens issued * and given to msg.sender, and make msg.sender the owner of this smart * contract. * * @param _tokenCount number of tokens to issue and give to msg.sender */ function DroidEIP20Token (uint256 _tokenCount) public { owner = msg.sender; tokenCount = _tokenCount; accounts [msg.sender] = _tokenCount; } /** * Get total number of tokens in circulation. * * @return total number of tokens in circulation */ function totalSupply () public view returns (uint256 supply) { return tokenCount; } /** * Get name of this token. * * @return name of this token */ function name () public pure returns (string result) { return "Droid"; } /** * Get symbol of this token. * * @return symbol of this token */ function symbol () public pure returns (string result) { return "Droid"; } /** * Get number of decimals for this token. * * @return number of decimals for this token */ function decimals () public pure returns (uint8 result) { return 8; } /** * Transfer given number of tokens from message sender to given recipient. * * @param _to address to transfer tokens to the owner of * @param _value number of tokens to transfer to the owner of given address * @return true if tokens were transferred successfully, false otherwise */ function transfer (address _to, uint256 _value) public returns (bool success) { if (frozen) return false; else return AbstractToken.transfer (_to, _value); } /** * Transfer given number of tokens from given owner to given recipient. * * @param _from address to transfer tokens from the owner of * @param _to address to transfer tokens to the owner of * @param _value number of tokens to transfer from given owner to given * recipient * @return true if tokens were transferred successfully, false otherwise */ function transferFrom (address _from, address _to, uint256 _value) public returns (bool success) { if (frozen) return false; else return AbstractToken.transferFrom (_from, _to, _value); } /** * Change how many tokens given spender is allowed to transfer from message * spender. In order to prevent double spending of allowance, this method * receives assumed current allowance value as an argument. If actual * allowance differs from an assumed one, this method just returns false. * * @param _spender address to allow the owner of to transfer tokens from * message sender * @param _currentValue assumed number of tokens currently allowed to be * transferred * @param _newValue number of tokens to allow to transfer * @return true if token transfer was successfully approved, false otherwise */ function approve (address _spender, uint256 _currentValue, uint256 _newValue) public returns (bool success) { if (allowance (msg.sender, _spender) == _currentValue) return approve (_spender, _newValue); else return false; } /** * Set new owner for the smart contract. * May only be called by smart contract owner. * * @param _newOwner address of new owner of the smart contract */ function setOwner (address _newOwner) public { require (msg.sender == owner); owner = _newOwner; } /** * Freeze token transfers. * May only be called by smart contract owner. */ function freezeTransfers () public { require (msg.sender == owner); if (!frozen) { frozen = true; Freeze (); } } /** * Unfreeze token transfers. * May only be called by smart contract owner. */ function unfreezeTransfers () public { require (msg.sender == owner); if (frozen) { frozen = false; Unfreeze (); } } /** * Logged when token transfers were frozen. */ event Freeze (); /** * Logged when token transfers were unfrozen. */ event Unfreeze (); }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":false,"inputs":[],"name":"freezeTransfers","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"result","type":"string"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"supply","type":"uint256"}],"payable":false,"stateMutability":"view","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,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"result","type":"uint8"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":false,"inputs":[],"name":"unfreezeTransfers","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_currentValue","type":"uint256"},{"name":"_newValue","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"result","type":"string"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_tokenCount","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[],"name":"Freeze","type":"event"},{"anonymous":false,"inputs":[],"name":"Unfreeze","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"},{"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
60606040526004805460ff19169055341561001957600080fd5b6040516020806108888339810160405280805160028054600160a060020a033316600160a060020a0319909116811790915560038290556000908152602081905260409020555050610818806100706000396000f3006060604052600436106100c45763ffffffff7c01000000000000000000000000000000000000000000000000000000006000350416630150246081146100c957806306fdde03146100de578063095ea7b31461016857806313af40351461019e57806318160ddd146101bd57806323b872dd146101e2578063313ce5671461020a57806331c420d414610233578063426a84931461024657806370a082311461026b57806395d89b41146100de578063a9059cbb1461028a578063dd62ed3e146102ac575b600080fd5b34156100d457600080fd5b6100dc6102d1565b005b34156100e957600080fd5b6100f1610334565b60405160208082528190810183818151815260200191508051906020019080838360005b8381101561012d578082015183820152602001610115565b50505050905090810190601f16801561015a5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561017357600080fd5b61018a600160a060020a0360043516602435610375565b604051901515815260200160405180910390f35b34156101a957600080fd5b6100dc600160a060020a03600435166103e2565b34156101c857600080fd5b6101d061042c565b60405190815260200160405180910390f35b34156101ed57600080fd5b61018a600160a060020a0360043581169060243516604435610432565b341561021557600080fd5b61021d61045d565b60405160ff909116815260200160405180910390f35b341561023e57600080fd5b6100dc610462565b341561025157600080fd5b61018a600160a060020a03600435166024356044356104c0565b341561027657600080fd5b6101d0600160a060020a03600435166104e5565b341561029557600080fd5b61018a600160a060020a0360043516602435610500565b34156102b757600080fd5b6101d0600160a060020a0360043581169060243516610527565b60025433600160a060020a039081169116146102ec57600080fd5b60045460ff161515610332576004805460ff191660011790557f615acbaede366d76a8b8cb2a9ada6a71495f0786513d71aa97aaf0c3910b78de60405160405180910390a15b565b61033c6107da565b60408051908101604052600581527f44726f69640000000000000000000000000000000000000000000000000000006020820152905090565b600160a060020a03338116600081815260016020908152604080832094871680845294909152808220859055909291907f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9259085905190815260200160405180910390a35060015b92915050565b60025433600160a060020a039081169116146103fd57600080fd5b6002805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0392909216919091179055565b60035490565b60045460009060ff161561044857506000610456565b610453848484610552565b90505b9392505050565b600890565b60025433600160a060020a0390811691161461047d57600080fd5b60045460ff1615610332576004805460ff191690557f2f05ba71d0df11bf5fa562a6569d70c4f80da84284badbe015ce1456063d0ded60405160405180910390a1565b6000826104cd3386610527565b14156104dd576104538483610375565b506000610456565b600160a060020a031660009081526020819052604090205490565b60045460009060ff1615610516575060006103dc565b61052083836106bb565b90506103dc565b600160a060020a03918216600090815260016020908152604080832093909416825291909152205490565b600160a060020a03808416600090815260016020908152604080832033909416835292905290812054818382101561058d57600092506106b2565b50600160a060020a038516600090815260208190526040902054838110156105b857600092506106b2565b6105c282856107b2565b600160a060020a038088166000908152600160209081526040808320339094168352929052908120919091558411801561060e575084600160a060020a031686600160a060020a031614155b156106665761061d81856107b2565b600160a060020a03808816600090815260208190526040808220939093559087168152205461064c90856107c4565b600160a060020a0386166000908152602081905260409020555b84600160a060020a031686600160a060020a03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8660405190815260200160405180910390a3600192505b50509392505050565b600160a060020a033316600090815260208190526040812054828110156106e557600091506107ab565b600083118015610707575083600160a060020a031633600160a060020a031614155b1561075f5761071681846107b2565b600160a060020a03338116600090815260208190526040808220939093559086168152205461074590846107c4565b600160a060020a0385166000908152602081905260409020555b83600160a060020a031633600160a060020a03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8560405190815260200160405180910390a3600191505b5092915050565b6000818310156107be57fe5b50900390565b60006000198290038311156107d557fe5b500190565b602060405190810160405260008152905600a165627a7a72305820691e5e621b928c19108d9c50949dc5641fe1466dfdb887e0b60259e5b8a94d7200290000000000000000000000000000000000000000000000056bc75e2d63100000
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000056bc75e2d63100000
-----Decoded View---------------
Arg [0] : _tokenCount (uint256): 100000000000000000000
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000056bc75e2d63100000
Swarm Source
bzzr://691e5e621b928c19108d9c50949dc5641fe1466dfdb887e0b60259e5b8a94d72
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.