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Solana: mpl-token-metadata

Published by Terlumun Aondover on February 11th, 2025.

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Here is an article about updating NFT metadata using mpl-token-metadata with the specified dependencies:

Updating NFT Metadata on Solana with mpl-token-metadata 5.1.0

As a developer working with the Solana blockchain and NFTs, you may need to update your NFT metadata to reflect changes in token balance or ownership. One of the libraries that can help you do this is mpl-token-metadata, which provides a simple way to interact with the Solana blockchain.

Unfortunately, I could not find any documentation for a update_metadata_accounts_v2() function in the [official MPL-Token-Metadata documentation]( mpl-token-metadata.com/api.html). However, I can provide you with a step-by-step guide on how to update NFT metadata using this library.

Prerequisites

Solana: mpl-token-metadata

Before you begin, make sure you have the following dependencies installed:

Solana CLI: npm install solana cli or yarn global add solana-cli

mpl-token-metadata: npm install mpl-token-metadata or yarn add mpl-token-metadata

Updating NFT Metadata with mpl-token-metadata

Here is an example of how you can update your NFT metadata using mpl-token-metadata:


const { Client } = require('@solana/web3.js');
const { mplTokenMetadata, accounts } = require('mpl-token-metadata');
// Set up a new client instance
const client = new client();
// Create a new account object with the updated metadata
asynchronous function updateMetadataAccounts() {
const metadataAccountId = 'your_metadata_account_id';
await accounts.updateMetadataAccounts(metadataAccountId);
// Get the updated metadata account
const metadataAccount = await mplTokenMetadata.getMetadataAccount(metadataAccountId);
console.log('Updated metadata account:', metadataAccount);
return metadataAccount;
}
// Call the function to update your NFT metadata
updateMetadataAccounts();

Explanation

In this example, we first create a new client instance using @solana/web3.js. Then we use the accounts object from mpl-token-metadata to get an account object representing the updated metadata account.

Next, we call the getMetadataAccount() function to retrieve the updated metadata account. Finally, we log the updated metadata account to the console for debugging purposes.

Conclusion

Updating NFT metadata on Solana with mpl-token-metadata can be a simple process using this library. Following the code example above, you should be able to update the NFT metadata and retrieve the new account object that represents the updated metadata account.

I hope this helps! Let me know if you have any questions or need further assistance.