ERC20 token with Freeze, Airdrop and Bounty Functions

1. Specifications:

1. the account that deployes the contract is the token contract owner;
2. contract owner has all the tokens at the begining;
3. transfer funds between accounts;
4. owner can freeze any account to prevent tranferring funds out from these accounts;
5. owner can unfreeze accounts to enable transfer;
6. owner can return a list of all accounts that received tokens;

2. Install depencies

Currently support node.js v8.11.1

$ npm intall 

3. JS testing

• The token contract can be tested with test/TestToken.js file:

$ truffle test test/TestToken.js 

The result is similar to following:

4. Deploy to Ropsten TestNet

deploy the contracts to ropsten network as:

$ truffle migrate --reset --network ropsten

5. Freeze Account with Webpage

Launch the web server in the root working directory:

$ npm run dev

Simply switch the proper network (e.g., rinkeby or mainnet) and login the owner account in MetaMask, and type in account address to be unfreezed and click button.