HaoyangLiu

pragma solidity 0.6.4;

import "./Context.sol";
import "./IERC20.sol";
import "./SafeMath.sol";
import "./Ownable.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *

HaoyangLiu

pragma solidity 0.5.8;

import 'github.com/OpenZeppelin/openzeppelin-solidity/contracts/token/ERC20/ERC20.sol';
import 'github.com/OpenZeppelin/openzeppelin-solidity/contracts/lifecycle/Pausable.sol';
import 'github.com/OpenZeppelin/openzeppelin-solidity/contracts/ownership/Ownable.sol';

contract BlackListableToken is Ownable, ERC20 {

    /////// Getters to allow the same blacklist to be used also by other contracts (including upgraded Tether) ///////
    function getBlackListStatus(address _maker) external view returns (bool) {

HaoyangLiu

1. Implement a set of predefined verification fuctions. These fuctions signature should be like this

fn(address, stdTx, ...parameters){
}

2. Add a new transaction type. With the new transaction, each address can specify on what transaction, execute which verification functions and corresponding parameters:

|key                                 | value          | type      |
|------------------------------------| -------------- |-----------|
|"func"+address+transactionType | function names |[]string |

HaoyangLiu

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

HaoyangLiu

Keybase proof

I hereby claim:

• I am haoyangliu on github.
• I am xiaji261 (https://keybase.io/xiaji261) on keybase.
• I have a public key ASB717PAs9WqJ4iNsVjA42o1KHt0tv7cYYWUxa0rR9oPLwo

To claim this, I am signing this object: