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Metamask Provider Configuration Issue: Only One Account Listed

When trying to configure Ethers.js together with Metamask, you often encounter an issue where only one account is listed by the configured Web3Provider. This article addresses the root cause of this issue and provides a step-by-step solution.

The Problem:

If you use Metamask as your Ethereum provider, it is possible that only one account (or wallet) is recognized. This can be due to several reasons, including:

• Incorrect Web3Provider Configuration: Make sure you have defined the correct initProvider() function and initialized all dependencies correctly.

• Metamask Wallet Sync Issues

  

  : Metamask wallets may not sync correctly with your local wallet, resulting in only one account being listed.

• Web3Provider Settings: Make sure your Web3Provider is configured to use another provider or wallet.

Solution:

To fix this issue, follow these steps:

Step 1: Check the Web3Provider configuration

Make sure the initProvider() function is initialized correctly with the Ethereum and Metamask providers:

initProvider() {
const ethereum = window['ethereum'];
const metamask = window['metamask'];
// Check both provider instances
if (ethereum && metamask) {
this.provider = {
type: 'web3',
options: {
provider: ethereum,
},
};
// Initialize the Web3Provider instance
this.web3Provider = new Web3(this.provider);
} else {
console.error('The configured Web3Provider only lists one account');
}
}

Step 2: Verify Metamask wallet sync

Verify that Metamask wallets are syncing correctly with your local wallet:

// Initialize the MetaMask provider
const metamaskProvider = window['metamask'];
if (metamaskProvider) {
//Set up a listener for Ethereum blockchain events
metamaskProvider.on('chainReady', () => {
// Your local Ethereum wallet has been synced correctly.
console.log('Your local Ethereum wallet has been synced successfully.');
});
// Initialize the Web3Provider instance with Metamask
this.provider = new Web3(metamaskProvider);
}

Step 3: Configure the Web3Provider

Make sure you define the correct initProvider() function and initialize all dependencies correctly:

initProvider() {
const ethereum = window['ethereum'];
const metamask = window['metamask'];
// Check both provider instances
if (ethereum && metamask) {
this.provider = {
type: 'web3',
options: {
provider: ethereum,
},
};
// Initialize the Web3Provider instance with Metamask
this.web3Provider = new Web3(this.provider);
} else {
console.error('The configured Web3Provider only lists one account');
}
}

Conclusion

Following these steps, you should be able to resolve the issue and ensure that your Ethereum and Metamask providers are configured correctly. Remember to check your wallet sync and configure the correct Web3Provider settings for optimal Ethers.js integration with Metamask.

If the issue persists, feel free to provide more details or ask additional questions!

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