This past week Metamask introduced a new function called "wallet_addEthereumChain" which allows the user to automatically add a new Etheruem RPC to their wallet when prompted. This functi...

I am using web3 for my first dapp test and I'd like to make so MetaMask will prompt the user to change the network to Binance (BSC) network if it is not selected already, just like here: How to tr...

I want to test how my application interacts with Metamask (e.g. is the wallet open?) and create a flexible test configuration that enables me to access the application by 'mounting' the Metamask in...

I am using the ethers.js documentation: https://docs.ethers.io/ethers.js/html/cookbook-providers.html . I am getting the error when setting up the provider -: Uncaught ReferenceError: web3 is not d...

I am working with web3-react and I cannot figure out how to keep the connection to the MetaMask wallet persistent upon browser refreshes. This is the code: // define the injectedConnectors const i...

I am trying to send ETH from one account to another but the conversion from ETH to WEI keeps giving me headaches. In this case, I am trying to send 0.11 ETH but in the confirmation window, I get 31...

So I am using wallet connectV2, what I am trying to do is to connect my metamask wallet with my App and I am trying to follow the walletConnect2 sample app code. But I am having trouble connecting ...

I am setting up hardhat in Linux. I have set up the react app first using these commands. npx create-react-app react-dapp cd react-dapp Then I have installed some hardhat dependencies using this...

I can't understand what the problem is. When I am run the app I am getting this error: Unhandled Runtime Error Error: invalid address or ENS name (argument="name", value=5.050201689117535...

I am using MetaMask for sending transactions to contract in my DApp. I need help in How to Disconnect MetaMask account from my DApp when the user clicks on logout button. Front-end: ReactJS Back-en...

I have integrated the MetaMask with Angular and while opening up the MetaMask extension from the code I am getting this error. Following is my code for opening up the extension. I am calling this f...

I want to add feature in my mobile app to send ether from one address to another address and for this I need to integrate metamask with my flutter mobile application. What package can I use for thi...

I am trying to connect to the metamask from my dapp. following the docs: https://docs.metamask.io/guide/getting-started.html#connecting-to-metamask but when I call eth_requestAccounts method it's o...

In my project, I tried to connect with metamask on Ganache. But I got the error like the following. inpage.js:1 MetaMask - RPC Error: Expected an array with at least one valid string HTTPS url 'rp...

I am building a DApp which connects to Rootstock Testnet and Mainnet via MetaMask. Unfortunately, I didn't find Rootstock among the available networks out of the box in MetaMask. ​ In this tutorial...

In javascript I run contract's method contract[methodName](...params, { from: myAccount }, (err, response) => { console.log('get transaction', methodName, err, response); if (err) return rej...

I've connected metamask to a node created with hardhat. I can connect to this node on http://localhost:8545 network in metamask after setting the chain id to match the hardhat network chain id (313...

My dApp have to connect to MetaMask. There are two rude solutions in the docs: make user to click connect btn every time manually or just pop up connection confirmation after page load. I want to i...

I have tried changing the values from 0.025 ether to 1 ether then also its showing the same error. Also, I have tried with the rational number like 1/8 still not working. LOOKED into some answers b...

I was trying to follow a tutorial from devto.io and to send transactions to the smart contract, I would need to connect my MetaMask wallet using one of the accounts created when I ran npx hardhat n...

I'm building a decentralized application where users can connect their cryptocurrency wallet (Metamask) to my website. They can initiate a connection request by clicking a button. On success, the w...

I would like to verify an ethereum (ETH) signature made in MetaMask using python. I'm developing a website using flask as backend. Javascript code send a POST requests to the back end containing th...

I am making a chrome extension that requires MetaMask authentication. I started developing it as a web application, but as a chrome extension, it doesn't detect MetaMask... This is my web applicati...

I'm having an issue where Metamask's mobile browser simply isn't injecting window.ethereum at all into my website. This is extra confusing since I'm doing everything the same way I did in a previou...

I'm trying to get to a Dapp that needs Metamask extension to access it. I added it through chrome extension. I know how to add the extension to the chrome instance in selenium but I don't know how ...