Blockchain Development for Finance Projects

Writing the app methods and creating the App.js file

The App.js file will have the following methods defined under it:

• constructor (): Initializes the state variables.
• componentDidMount: Checks if the MetaMask web3 provider is available and fetches the user's Ethereum account.
• A set of session setters that set the role and the option selected. These include the following:
  • BuyerSessionView
  • BankSessionCreate
  • BankSessionView
  • SellerSessionView
  • SellerSessionSettle
  • SellerSessionVSettle
• A set of utility methods for navigation and operation, which include the following:
  • onInputChangeUpdateField: For capturing and storing the input fields data to the state.
  • closeTab: To close the current tab and go back to the landing page.
  • closeViewTab: To ...