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Metamask and Trust Wallet: Understanding the Web3 Transaction Problem
The cryptocurrency world has seen rapid growth recently, with many users migrating from traditional wallet services like Bitcoin Wallet or Electrum to more advanced solutions like MetaMask and Trust Wallet. Both platforms have made significant progress in providing a seamless experience for users with decentralized applications (dApps) on the Ethereum blockchain.
However, I recently encountered an issue where my Web3 transaction worked fine in MetaMask but not in Trust Wallet. In this article, we will explore why this might be happening and offer a possible solution.
Topic: Different Ethers
When it comes to interacting with dApps on the Ethereum blockchain, users often need to use the Ethereum Web3 API (Web3) to send transactions or interact with smart contracts. The Web3 API is a standard interface for the Ethereum Virtual Machine (EVM) that allows developers to build and deploy dApps.
In MetaMask, the browser extension is optimized to work seamlessly with the Web3 API, allowing users to use the EVM without downloading additional software. However, when I tried to use Trust Wallet, another wallet service that also uses the Web3 API, my transactions started failing.
Solution: Examining the Ethers Library
To identify the problem, I decided to examine the ethers.js library, which is used by both MetaMask and Trust Wallet. After analyzing the code, I noticed that the “web3.eth” object had been replaced with another instance of the Web3 API using the “window.web3” variable.
Here is a snippet of my code:
if (window.ethereum) {
window.web3 = new web3(window.ethereum);
}
The line of code that caused the problem is the line of code where I replaced the ethers.js library with another instance using “window.web3”.
Conclusion
In short, the problem lies in the way MetaMask and Trust Wallet handle the Web3 API. Although MetaMask uses a different instance of the Web3 API than Trust Wallet, this may not be enough to ensure seamless interaction between the two platforms.
To resolve this issue, it is recommended to use a unified approach to using EVM from both MetaMask and Trust Wallet. One possible solution is to create a shared “window.web3” object that can be used on both platforms.
Recommendations
- To avoid similar issues in the future, consider using a single Web3 API for your entire application.
- If you need to support multiple wallet services, make sure that each service uses a different instance of the Web3 API.
- Consider using a library like “ethers.js” which allows for a more flexible and standardized approach to the EVM.
By following these steps, you can ensure that your dApps work seamlessly with both MetaMask and Trust Wallet without any issues related to Web3 transactions.
