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Metamask: Error Connecting to Ethereum Wallet Using ethers.js in HTML Page

Published by Terlumun Aondover on February 9th, 2025.

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Error Connecting to Ethereum Wallet Using ethers.js in HTML Page

When building an application that connects to an Ethereum wallet and initiates transactions using ethers.js, there are several error scenarios that can arise. In this article, we’ll cover some common issues related to connecting to the Ethereum wallet and troubleshooting them.

Error: “Error Connecting to Ethereum Wallet”

The first error you may encounter is when ethers.js attempts to connect to your Ethereum wallet but fails. This could be due to various reasons such as:

Insufficient Ether balance in your wallet

Incorrect wallet address or mnemonic seed

Network congestion or downtime of the Ethereum blockchain

Incompatibility between ethers.js and your wallet’s API

To troubleshoot this error, try the following steps:

Check your wallet balance: Ensure that you have sufficient Ether balance in your wallet to initiate transactions.

Verify wallet address: Double-check the wallet address provided on the Ethers.js documentation or your wallet provider’s website to ensure it matches your Ethereum account details.

Mnemonic seed verification: If using a mnemonic seed, verify that the seed is correct and not corrupted.

Network congestion check: Try connecting to the Ethereum network during periods of high activity or congestion.

Error: “Invalid Wallet Address”

Another common error occurs when ethers.js attempts to connect to your wallet address but returns an invalid result. This can happen if:

The wallet address is incorrect or malformed

The wallet provider’s API does not support the requested account type (e.g., eth_account for mainnet accounts)

There are issues with your browser’s permissions or cookies

To resolve this error, try the following steps:

Verify wallet address: Double-check that the wallet address you provided is correct and matches your Ethereum account details.

Check wallet provider API documentation: Ensure that you’re using the correct API endpoint for requesting an account object from the Ethereum wallet provider (e.g., eth_accounts on Ethers.js).

Disable browser permissions or cookies: If issue persists, try disabling browser permissions or setting cookies to resolve authentication problems.

Error: “Ethers.js Version”

In some cases, ethers.js version compatibility issues may cause errors when connecting to an Ethereum wallet. This can happen if:

You’re using an outdated version of ethers.js

Your wallet provider has updated their API documentation

To troubleshoot this error, try the following steps:

Check ethers.js version: Ensure that you’re using a compatible version of ethers.js (e.g., 4.0.x).

Check your wallet provider’s API documentation

: Verify that the API endpoint and required parameters match the latest version.

Error: “Connection timeout”

In rare cases, an error may occur due to a temporary connection timeout. This can be resolved by:

Increasing the maxConnections or timeout value in ethers.js settings

Using a WebSocket connection instead of the asynchronous API

To resolve this issue, try the following steps:

Adjust ethers.js configuration

: Update ethers.config.js to increase the maxConnections or timeout value.

Use WebSocket connection: Switch from the asynchronous API to a WebSocket connection for improved performance.

Conclusion

Connecting to an Ethereum wallet and initiating transactions using ethers.js can be a complex task. By following these error scenarios and troubleshooting steps, you should be able to resolve common issues and successfully connect to your Ethereum wallet.