Blockchain Development for Finance Projects

Creating the ERC20 Token contract

We will start by creating a .sol file in your contracts directory. Let's name this file MoolahCoin.sol:

1. We'll begin writing our contract by first declaring the Solidity compiler version with the help of the following command:

pragma solidity ^0.5.2;

2. Next, we will import the dependent sample contract templates from the openzeppelin library, as shown in the following code block:

import "openzeppelin-solidity/contracts/token/ERC20/ERC20Detailed.sol";import "openzeppelin-solidity/contracts/token/ERC20/ERC20Capped.sol"; import "openzeppelin-solidity/contracts/ownership/Ownable.sol";

The imported contracts implement the following functionalities:

• ERC20Detailed and ERC20Capped are sample contracts that allow ...