ETH Price: $3,050.18 (-0.82%)
Gas: 59 Gwei

Token

Star Coin (STARCOIN)
 

Overview

Max Total Supply

5,000,000,000,000 STARCOIN

Holders

7

Total Transfers

-

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

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Minimal Proxy Contract for 0x0000000010fd301be3200e67978e3cc67c962f48

Contract Name:
ERC20Lib

Compiler Version
v0.8.0+commit.c7dfd78e

Optimization Enabled:
Yes with 999999 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity Multiple files format)

File 1 of 2: ERC20Lib.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.0;

import "./IERC20Lib.sol";

contract ERC20Lib is IERC20Lib {

  mapping (address => uint256) private _balances;
  mapping (address => mapping (address => uint256)) private _allowances;

  uint256 public totalSupply;

  string public name;
  string public symbol;
  uint8 public decimals;

  bool public initialized = false;

  constructor () {
    initialized = true;
  }

  function init(address owner_, string memory name_, string memory symbol_, uint256 totalSupply_) external override {
    require(initialized == false, "Contract already initialized");
    name = name_;
    symbol = symbol_;
    decimals = 18;
    _balances[owner_] = totalSupply_;
    totalSupply = totalSupply_;

    initialized = true;
  }

  function balanceOf(address account) public view override returns (uint256) {
    return _balances[account];
  }

  function allowance(address owner, address spender) public view override returns (uint256) {
    return _allowances[owner][spender];
  }

  function approve(address spender, uint256 amount) public override returns (bool) {
    require(spender != address(0), "ERC20: approve to the zero address");

    _allowances[msg.sender][spender] = amount;
    emit Approval(msg.sender, spender, amount);
    return true;
  }

  function transfer(address recipient, uint256 amount) public override returns (bool) {
    _transfer(msg.sender, recipient, amount);
    return true;
  }

  function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
    _transfer(sender, recipient, amount);
    uint256 newAllowance = _allowances[sender][msg.sender] - amount;
    _allowances[sender][msg.sender] = newAllowance;
    emit Approval(sender, msg.sender, newAllowance);
    return true;
  }

  function _transfer(address sender, address recipient, uint256 amount) internal {
    require(sender != address(0), "ERC20: transfer from the zero address");
    require(recipient != address(0), "ERC20: transfer to the zero address");

    _balances[sender] = _balances[sender] - amount;
    _balances[recipient] = _balances[recipient] + amount;
    emit Transfer(sender, recipient, amount);
  }
}

File 2 of 2: IERC20Lib.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.0;

interface IERC20Lib {
  function init(address owner_, string memory name_, string memory symbol_, uint256 totalSupply_) external;
  function balanceOf(address account) external view returns (uint256);
  function allowance(address owner, address spender) external view returns (uint256);
  function approve(address spender, uint256 amount) external returns (bool);
  function transfer(address recipient, uint256 amount) external returns (bool);
  function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

  event Transfer(address indexed from, address indexed to, uint256 value);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint256","name":"totalSupply_","type":"uint256"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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