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Revoke document with web app

This guide shows how to revoke a hash using one of the available web applications.

Currently, there are two web applications:

In this tutorial, you will use the first web app.

Prerequisites​

  • Google Chrome web browser
  • MetaMask extension in Google Chrome
  • A document store
  • A merkle root

Revoking the document​

  1. After connecting with MetaMask, open the OpenCerts Admin Portal in Google Chrome. On the Welcome page, click MetaMask.

  2. Enter the document store smart contract address from the deployment guide into the Store address field.

Revoking Interface

  1. Select Revoke certificate on the left navigation.

  2. Paste the value of merkleRoot from the document into the field. Click Revoke.

    A pop-up message may display, asking "Are you sure you want to revoke this hash?". Click OK.

    Admin Portal message

    You will also need to confirm your transaction in the MetaMask extension.

  3. Once the merkleRoot has been issued, a success message "Revoked certificate batch" will display.

Revoke Success

Additional reading​

You will find more details about revoking on this page.