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Blockchain Development for Finance Projects
book

Blockchain Development for Finance Projects

by Ishan Roy
January 2020
Intermediate to advanced
530 pages
11h 11m
English
Packt Publishing
Content preview from Blockchain Development for Finance Projects

MMaskTransfer()

This method is called for initiating transfers through the MetaMask wallet of the customer directly to the merchant address, as shown here:

MMaskTransfer = (MRAddress,amount) => {  let app = this;  if (window.ethereum) { const ethereum = window.ethereum; this.web3 = new Web3(ethereum);

The following list shows exactly what this method does:

  1. The method takes the merchant address and amount to be paid as input parameters.
  2. On being called, it first checks whether the window.ethereum object is present, essentially checking whether the browser has injected web3 through MetaMask.
  3. If an injected web3 is present, it maps the app's web3 object to the injected web3.
  4. Next, it makes an asynchronous call to request permission to access ...
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Publisher Resources

ISBN: 9781838829094