ERC-20
Overview
Max Total Supply
15,000,000 STUD
Holders
10
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 3 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Source Code Verified (Exact Match)
Contract Name:
StudToken
Compiler Version
v0.4.21+commit.dfe3193c
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-05-12 */ pragma solidity ^0.4.21; contract ERC20Basic { function totalSupply() public view returns (uint256); function balanceOf(address who) public view returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public view returns (uint256); function transferFrom(address from, address to, uint256 value) public returns (bool); function approve(address spender, uint256 value) public returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } } contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; function totalSupply() public view returns (uint256) { return totalSupply_; } function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } } contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) public view returns (uint256) { return allowed[_owner][_spender]; } function increaseApproval(address _spender, uint _addedValue) public returns (bool) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract StudToken is StandardToken { function() public { revert(); } string public constant name = 'Stud Coin'; string public constant symbol = 'STUD'; uint8 public constant decimals = 3; string public constant version = 'S1.0'; function StudToken(uint256 _initialAmount) public { balances[msg.sender] = _initialAmount; totalSupply_ = _initialAmount; } function approveAndCall(address _spender, uint256 _value, bytes _data) public payable returns (bool) { require(_spender != address(this)); super.approve(_spender, _value); // solium-disable-next-line security/no-call-value require(_spender.call.value(msg.value)(_data)); return true; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","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":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_initialAmount","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":false,"stateMutability":"nonpayable","type":"fallback"},{"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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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000000000000000000000000000000000037e11d600
-----Decoded View---------------
Arg [0] : _initialAmount (uint256): 15000000000
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000000000000000037e11d600
Swarm Source
bzzr://2936208727b7139aad257109294a3b19151c1e543af915bbced409ac4463d6f5
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