ERC20.sol

pragma solidity ^0.4.11;

 // ----------------------------------------------------------------------------------------------
 // Sample fixed supply token contract
 // Miranz Technology Pvt. Ltd (2017).
 // Author Hamza Yasin
 // ----------------------------------------------------------------------------------------------
 
// ERC Token Standard #20 Interface
interface ERC20 {
    // Get the total token supply
    function totalSupply() constant returns (uint totalSupply);
    // Get the account balance of another account with address _owner
    function balanceOf(address _owner) constant returns (uint balance);
    // Send _value amount of tokens to address _to
    function transfer(address _to, uint _value) returns (bool success);
    // Send _value amount of tokens from address _from to address _to
    function transferFrom(address _from, address _to, uint _value) returns (bool success);
    // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
    // If this function is called again it overwrites the current allowance with _value.
    // this function is required for some DEX functionality
    function approve(address _spender, uint _value) returns (bool success);
    // Returns the amount which _spender is still allowed to withdraw from _owner
    function allowance(address _owner, address _spender) constant returns (uint remaining);
    // Triggered when tokens are transferred.
    event Transfer(address indexed _from, address indexed _to, uint _value);
    // Triggered whenever approve(address _spender, uint256 _value) is called.
    event Approval(address indexed _owner, address indexed _spender, uint _value);
}