Appendix

Connecting Metamask to VMware Blockchain

Metamask is available on Google Chrome as an extension, and this is a key requirement to this NFT sample.

If you have never added your VMware Blockchain's URL and the Chain ID (default 5000) as a separate network on Metamask, you can click on user profile picture to open the dropdown menu and click Settings > Networks > Add Network > Add Network Manually and provide:

• Network Name: (Can be freely chosen)
• New RPC URL: (Your blockchain's EthRPC URL aka. VMBC_URL)
• Chain ID: (Your blockchain's chainId, default is usually 5000)
• Currency Symbol: (Can be freely chosen)
• Block explorer URL: (optional)

Metamask might not have connected ever on localhost:4200 site, if this is the case, you can connect Metamask to the dev site by clicking on Not Connected status icon and clicking Connect

Resetting Account in Metamask

• How to Reset an Account in Metamask - Article from Metamask
  • Perform this step of Resetting you Metamask account for each of the accounts which you will utilize to interact with VMware Blockchain
  • Note: This is required because of a Limitation in Metamask that, when an already connected/linked Blockchain Network is reset/re-installed, Metamask still uses old and cached nonce for accounts. Essentially, by resetting the accounts, we are requesting Metamask to dynamically determine the nonce, rather than using an old cache.

Importing Accounts in Metamask

• How to Import Accounts in Metamask - Article from Metamask