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I'm building a Chrome extension which is supposed to able able:

a) insert custom button on a website, depending on some condtion

b) a button will have to invoke MetaMask, or any other browser-based wallet. But primarilty MetaMask

c) pass some data to it -- "an amount of a payment required for a user to pay"

How can a browser extension activate MetaMask? If at all.

Otherwise, what would be other options?

1 Answer 1

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What you're looking for is content scripts (https://developer.chrome.com/docs/extensions/mv3/content_scripts). They're part of your extension build and can be injected into web pages.

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  • you haven't answered my question
    – Kum
    Sep 18, 2022 at 11:02
  • from a content script you could access the api exposed by wallets like metamask under window.ethereum
    – mortimr
    Sep 19, 2022 at 12:08

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