Mastering Blockchain Programming with Solidity

Create tokens with metadata using DetailedERC20.sol

Using the DetailedERC20.sol contract, you can define the optional fields for an ERC20 token; that is, the name, symbol, and decimals of the token. 

The OpenZeppelin contract present at Chapter09/openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol is defined as follows:

import "./IERC20.sol";contract ERC20Detailed is IERC20 {    string private _name;    string private _symbol;    uint8 private _decimals;    constructor (string memory name, string memory symbol, uint8 decimals)     public {        _name = name;        _symbol = symbol;        _decimals = decimals;    }    function name() public view returns (string memory) {        return _name;    }    function symbol() public view returns (string memory) {        return _symbol;    }    function ...