Blockchain Development for Finance Projects

componentDidMount()

Within the componentDidMount() method shown here, we will create and populate our accounts array. This will be used further by the WalletMain component to display all of the derived address from the merchant's HD wallet:

1. We start by declaring the app variable to store the state of the app. We also store the accounts state array in the local account parameter. Lastly, we declare a variable called pathid:

componentDidMount(){  let app = this; let accounts = this.state.accounts; let pathid = 100;

The pathid variable indicates the number of address indices we'll be deriving, essentially, the number of hierarchical addresses we'll be generating in the merchant's HD wallet. Hence, in the m/44'/60'/0'/0/<address index> expression ...