ETH Price: $2,681.02 (+4.82%)
Gas: 3 Gwei

Token

MapCoin (MAP)
 

Overview

Max Total Supply

1,000,000,000 MAP

Holders

437

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

Balance
1,000 MAP

Value
$0.00
0xeb6c3b34efdef50886d4108c112a5a6048033688
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Contract Source Code Verified (Exact Match)

Contract Name:
MapCoin

Compiler Version
v0.4.25+commit.59dbf8f1

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-11-05
*/

pragma solidity 0.4.25;

// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
library SafeMath {
    function add(uint a, uint b) internal pure returns (uint c) {
        c = a + b;
        require(c >= a);
    }
    function sub(uint a, uint b) internal pure returns (uint c) {
        require(b <= a);
        c = a - b;
    }
    function mul(uint a, uint b) internal pure returns (uint c) {
        c = a * b;
        require(a == 0 || c / a == b);
    }
    function div(uint a, uint b) internal pure returns (uint c) {
        require(b > 0);
        c = a / b;
    }
}


// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// ----------------------------------------------------------------------------
contract ERC20Interface {
    function totalSupply() public constant returns (uint);
    function balanceOf(address tokenOwner) public constant returns (uint balance);
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
    function transfer(address to, uint tokens) public returns (bool success);
    function approve(address spender, uint tokens) public returns (bool success);
    function transferFrom(address from, address to, uint tokens) public returns (bool success);

    event Transfer(address indexed from, address indexed to, uint tokens);
    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}

// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
    address public owner;
    address public newOwner;

    event OwnershipTransferred(address indexed _from, address indexed _to);

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }

}

/**
 * @title MapCoin 
 */
contract MapCoin is ERC20Interface, Owned {
  using SafeMath for uint256;
  string  public symbol; 
  string  public name;
  uint8   public decimals;
  uint    internal _totalSupply;
  
  mapping(address => uint) balances;
  mapping(address => mapping(address => uint)) allowed;
  
    // ------------------------------------------------------------------------
    // Constructor
    // ------------------------------------------------------------------------
    constructor (address _owner) public {
        symbol = "MAP";
        name = "MapCoin";
        decimals = 18;
        owner = _owner;
        _totalSupply = 1e9; // 1 billion
        balances[owner] = totalSupply();
        emit Transfer(address(0),owner, totalSupply());
    }
    
    // donot accept any ethers
    function () external payable {
        revert();
    }

    /* ERC20Interface function's implementation */
    function totalSupply() public constant returns (uint){
       return _totalSupply* 10**uint(decimals);
    }
    
    // ------------------------------------------------------------------------
    // Get the token balance for account `tokenOwner`
    // ------------------------------------------------------------------------
    function balanceOf(address tokenOwner) public constant returns (uint balance) {
        return balances[tokenOwner];
    }

    // ------------------------------------------------------------------------
    // Transfer the balance from token owner's account to `to` account
    // - Owner's account must have sufficient balance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transfer(address to, uint tokens) public returns (bool success) {
        // prevent transfer to 0x0, use burn instead
        require(to != 0x0);
        require(balances[msg.sender] >= tokens );
        require(balances[to] + tokens >= balances[to]);
        balances[msg.sender] = balances[msg.sender].sub(tokens);
        balances[to] = balances[to].add(tokens);
        emit Transfer(msg.sender,to,tokens);
        return true;
    }
    
    // ------------------------------------------------------------------------
    // Token owner can approve for `spender` to transferFrom(...) `tokens`
    // from the token owner's account
    // ------------------------------------------------------------------------
    function approve(address spender, uint tokens) public returns (bool success){
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender,spender,tokens);
        return true;
    }

    // ------------------------------------------------------------------------
    // Transfer `tokens` from the `from` account to the `to` account
    // 
    // The calling account must already have sufficient tokens approve(...)-d
    // for spending from the `from` account and
    // - From account must have sufficient balance to transfer
    // - Spender must have sufficient allowance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transferFrom(address from, address to, uint tokens) public returns (bool success){
        require(tokens <= allowed[from][msg.sender]); //check allowance
        require(balances[from] >= tokens);
        balances[from] = balances[from].sub(tokens);
        balances[to] = balances[to].add(tokens);
        allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
        emit Transfer(from,to,tokens);
        return true;
    }
    // ------------------------------------------------------------------------
    // Returns the amount of tokens approved by the owner that can be
    // transferred to the spender's account
    // ------------------------------------------------------------------------
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
        return allowed[tokenOwner][spender];
    }

}

Contract Security Audit

Contract ABI

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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)

00000000000000000000000008eb9adc6a64f21f3f490ff26d87d7ab3c3b850a

-----Decoded View---------------
Arg [0] : _owner (address): 0x08Eb9aDC6A64f21f3F490FF26D87D7aB3C3b850a

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000008eb9adc6a64f21f3f490ff26d87d7ab3c3b850a


Swarm Source

bzzr://412ce10ba3cc418340f1c18d849b968ba1bc0c310e3d48f7815a69bb971bbb37
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