tradingusdt

// ----------------------------------------------------------------------------
// TradingUsdt MiningToken contract
// Symbol      : TUM
// Name        : TradingUsdt MiningToken
// Decimals    : 7
// ----------------------------------------------------------------------------

pragma solidity 0.5.8;

// File: node_modules\openzeppelin-solidity\contracts\token\ERC20\IERC20.sol

tradingusdt

pragma solidity ^0.5.5;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]

tradingusdt

pragma solidity ^0.5.5;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]

tradingusdt

pragma solidity ^0.5.5;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]