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1. Understanding Common Errors

Sujatha R


1.1. Network Connectivity Issues

One of the most common issues developers face is network connectivity. This can occur when a user's device is not connected to the internet or there are issues with their network configuration.

code

try {
    const accounts = await ethereum.request({ method: 'eth_requestAccounts' });
} catch (error) {
    if (error.code === 4100) {
        // User rejected the request
console.log('Please connect to a network');
    } else {
        console.error(error);
    }
}
 

1.2. User Denies Access

Users have the option to deny access to their accounts or specific operations. It's important to handle this scenario gracefully.

code

try {
    const accounts = await ethereum.request({ method: 'eth_requestAccounts' });
} catch (error) {
    if (error.code === 4001) {
        // User rejected the request
console.log('User denied account access');
    } else {
        console.error(error);
    }
}
 

1.3. Incorrect Network Selection

Users may not always be connected to the desired Ethereum network. Handling this situation involves verifying network ID and providing clear instructions for the user to switch networks.

code

const requiredNetwork = 1; // Mainnet

if (ethereum.networkVersion !== requiredNetwork.toString()) {
    console.log('Please switch to the Mainnet network');
}
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