Metamask: Metamask installed in browse chrome but when I check in console window.ethereum it respond undefined

Metamask Installation Error: Not enough Ethereum Ethers

When trying to connect your contract to the Rinkeby network using Infura in the browser, one of the most common problems is the console.log operator, which displays undefined when requesting access to ethers. This error is usually caused by an incompatible environment or configuration.

In this article, we will look at the causes and solutions to this problem, focusing on how to solve it with Metamask as an Ethereum injection provider in your browser.

Understanding the problem

Metamask: Metamask installed in browse chrome but when I check in console window.ethereum it respond undefined

The main reason for this error is the way console.log statements are handled when interacting with web3 providers such as Infura. When you call loggers.ethereum, the JavaScript environment does not automatically pass an Ethereum instance to the console logging operator due to differences in how these functions are called and executed.

The Metamask Problem

Metamask, a popular provider of Ethereum wallets, is intended for use as an injection provider for contract deployment. When you use metamask-injection with Infura, it injects your deployed contract instance into the browser context. However, if this process incorrectly initializes or configures the ethers module, you may encounter problems similar to the ones described.

Troubleshooting Steps

To resolve the undefined issue in the console log statement, follow these steps:

Step 1: Check Metamask installation

First, make sure your MetaMask installation is done correctly. You must have a working MetaMask wallet installed and correctly configured in your browser.

Step 2: Configure the Infura provider

Make sure you are using the correct provider for your Ethereum network (e.g. Rinkeby) in the metamask-injection configuration:

const providers = {

info: {

apiKey: "YOUR INFURA API KEY",

network: "rinkeby"

}

};

// Using the injector to deploy the contract and connect it using the MetaMask injection

injector.deploy(

contractName,

contractabi,

providers.infura

);

Step 3: Checking the initialization of the Ethers module

Make sure you initialize the ethers module correctly in your code. Here is an example of how to do it:

// After setting up the MetaMask injection, make sure ethers are initialized correctly

const ethers = require('ethers');

// Example of deployment and initialization of the contract

const MyContract = artifacts.require("MyContract");

contract('My Contract', function (accounts) {

it('should deploy and initialize the contract', async () => {

const deployedContract = await MyContract.deployed();

console.log(Contract deployed at ${deployedContract.address});

// Make sure the ethers module is initialized correctly

console.log(ethers);

// You can now use ethers to interact with the deployed contract instance

});

});

Step 4: Update the MetaMask injection configuration

Make sure that the infura provider in your metamask-injection configuration points to the correct Ethereum network (e.g. Rinkeby):

const providers = {

info: {

apiKey: "YOUR INFURA API KEY",

network: "rinkeby"

}

};

// Using the injector to deploy the contract and connect it using the MetaMask injection

injector.deploy(

contractName,

contractabi,

providers.infura

);

Step 5: Verify the initialization of the Ethers module after deployment

Finally, verify that your deployed contract instance has been properly initialized after deployment:

“`javascript

// Example of deployment and initialization of the contract

const MyContract = artifacts.

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