Blockchain Development for Finance Projects

Writing a method to fetch compliance documents from IPFS

The iread() method takes the invoice document hash (invhash), the BOE/BOL hash (boehash), and any other document hash (dochash) as input parameters, as shown in the following code block:

async function iread (invhash,boehash,dochash) {try{

Let's look at the logic for our code:

1. We fetch the invoice file from the IPFS network by using the invoice document hash (invhash). The file is saved to the local storage. In my case, I've stored the file in the public folder of my bank portal React app. We use the fs module to create a new file, and write the file contents to the file. The filename in the local storage follows the nomenclature <File hash>.txt.

Let's look at how the file is fetched ...