Questions tagged [metamask]

Question about the Metamask chrome's plugin.

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Is Metamask App in-built browser using different Web3 specification than the Chrome extension?

I have a Web-based Dapp based on Web3.js which runs perfectly using Chrome with the Metamask plugin. However, when I run the same webpage in the Metamask app's in-built browser, on iOS, lots of things ...
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17 views

Can't seem to withdraw money from contract

I am new with solidity. I've implemented this withdraw function function withdraw() public payable onlyOwner { require(payable(msg.sender).send(address(this).balance)); } And I am calling ...
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1answer
8 views

Can I connect to Rinkeby using remix and metamask?

I've finished my dapp by deploying the contract to Remix, and it works well in Ganache. Now I wanna connect my dapp to Rinkeby by web3.js. I deployed my contract in Remix, and when I wanna interact ...
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15 views

How can I open an URL in Metamask explorer from a mobile navigator website?

How to open the URL of web3 in the Metamask explorer from a href link in that web3?
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Metamask time vs block time

I am building an app using web3. I was running some test, and something came up. Why network's block time doesn't match with metamask time to accept transacion even when I set the "fastest" ...
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14 views

How do i sign a transaction with web3js?

I have a dex project that uses metamask to sign transactions, i am trying to remove metamask and turn it into a CEX, users login to the site and are given their own address and private key for ...
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1answer
20 views

How to send transaction to payable contract on Binance Smart Chain without Metamask

Suppose there is a live contract (on live network, not test network) out there on Binance Smart Chain and it has a payable function that I want to use. I want to use web3 to send a transaction and ...
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Why is there already a history when creating an Avalanche network in my Metamask Wallet?

Created an Avalanche network and there were already transactions from a few months back. The amount was very small but still I am not sure why it is there. I decided to use account #2 instead. This is ...
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MetaMask not showing ERC-20 amount in Transaction - Only showing ETH gas fee

Im experimenting with sending my custom ERC-20 token with MetaMask to my contract. Im using react.js for a simple front end. I press a button which creates a transaction from my metamask account for a ...
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1answer
35 views

Please help get my stuck ETH back? Metamask

I'm hoping someone can help. I tried to mint some NFTs and my transaction got stuck in pending. Let's call this "Transaction #1". It was for 0.1332 ETH. After about an hour, it showed as &...
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22 views

Why would Pending transactions disappear?

I've been working on integrating with the Polygon blockchain programmatically (using Nethereum) but my contract interactions and send transactions all appear to be pending, then when I search for them ...
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35 views

How to fix "Unidentified Contract" on metamask NFT viewer

I've deployed a few ERC721s to ethereum and polygon, but they all show as "Unidentified Contract" in the mobile metamask nft tab. I feel dumb for not being able to figure out why - any ...
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Problem adding custom rpc on metamask mobile

I'm trying to use metamask mobile for my android dapp development and I need to create truffle's custom rpc but it gives me this error:
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8 views

What is meant by new BigNumber() not a base 16 number: 0x[object Promise] Code: BigNumber Error?

I am working on a dapp solution that has this following function in smart contract: function addFood(string memory _name, uint _price, bool _available) public onlyOwner { foods[numberOfFoods].name ...
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13 views

Gas problem on Metamask

I'm trying to perform an ETH transaction from my Metamask, but when adjusting the advanced gas options, the system only accepts a gas limit of 210000 (one zero more than usual), which makes my ...
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6 views

I sent my peg-ethereum to the wrong adress [duplicate]

I wanted to send my peg ethereum from metamask to binance, but when I was creating contract I pasted the wrong adress - actually peg ethereum contract adress. Is there a way to retrieve my coins ? ...
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16 views

In remix how to add accounts in the injected web3 provider?

I got only the first account and I need the other accounts to use them .
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Metamask - "Params specify an EIP-1559 transaction but the current network does not support EIP-1559"

I'm working on a little erc 721 project. We have a frontend that allows users to mint a couple of our nfts with a button. contract.methods.mint(tokensNumber).send({from: accounts[0], value: ...
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8 views

Xinpay-metamask accountsChanged Event not supported [closed]

I am a new blockchain developer and I am using XinFin has a blockchain network in my DApps, I am facing issues in the detecting account changed event , has it is not supported by XinPay, can I know ...
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12 views

Displaying ERC20 token being transferred during metamask confirmation while using approve/transferFrom

I am having difficulties with doing transactions from the client side of an application I am building. I cannot find any great examples of the recommended flow of handling transactions, and most seem ...
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1answer
35 views

Best security practices for contract deployment?

I'm using Truffle to develop an ERC721 smart contract. Truffle expects HDWalletProvider to be installed so that Truffle can sign transactions for you, however this requires storing your mnemonic ...
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20 views

ETH mysteriously removed from my account around 12hours after using Binance Bridge

Perhaps someone can shed some light on this for me? Recently joined the crypto world. Created a Metamask account, sent some test eth, all was fine. Had a family member send some BNB, then add some ...
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26 views

Metamask sees contract address as personal address

While using MetaMask I inadvertently transferred an NFT from a wallet address to the NFT's contract address. I am using my own network (Ganache-cli) for development. The transaction went through. The ...
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1answer
14 views

is there any way to test etherum application using real addresses by Metamask?

I have Ethereum app written using react + web3 and my contract code written using solidity. can I test the app using real addresses [I used Rinkbey network] and my wallet Metamask .
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28 views

How to authenticate with an Ethereum account through personalSign?

I want to authenticate a user using her Ethereum account. There are several demos and tutorials available, for example Amaury's which uses, however, the deprecated web3 API: web3.personal.sign(web3....
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1answer
6 views

Deployment of smart contract for research. Infura, Truffle or Metamask (which is more practical)?

Truffle, Infura, Metamask which is more practical way to deploy smart contracts for research purposes? Can someone explain? Thank you.
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26 views

Adding the msg.value and argument into one transaction using ethers

So I am trying to call this function that mints an NFT from a smart contract I deployed: it works in etherscan but it takes in a msg.value but I dont know how to set a msg.value inside and call a ...
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1answer
11 views

How to increase the number of test accounts using injected Web3 with Metamask?

I have encountered a problem where I need a large number of accounts. How can I increase the number of accounts from only 1 with injected web3. Remix and Metamask only give 1 account. I require more ...
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1answer
19 views

How do I get the latest balance of a token in my wallet after a transaction in ethers?

I'm very new to developing dApps with Ethers JS and recently created a uniswap clone. But I would like to ask if there is any way to update the balance after a transaction is successfully transferred? ...
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66 views

Enormous suggested fees on metamask after the EIP-1559

We have to react based app that is responsible for connecting with the NFT contract and calling the "mint" function. To call the function, the contract will ask for 0.06ETH, and the amount ...
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12 views

ERC-721 metadata encrypted: how to deal with the transfer of ownership

I'm struggling with the following problem: I want a ERC-721 with some metadata encrypted so that only the owner can access it. The issue is: at the time of transfer, how can the metadata be encrypt ...
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1answer
49 views

MetaMask (Web3) Inflates Transaction/Mint Price to Ridiculous Amount

I am writing a dApp/UI for my ERC721 smart contract and facing a recurring issue. My contract has been deployed to the Rinkeby test network and the contract has been verified on Etherscan, allowing me ...
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16 views

How to confirm ethereum smart contract using Meta mask App from a transaction generated from browser in Android mobile phone

I have tried to let Metamask wallet app on my mobile phone(android) to confirm smart contract transection in the same way that I could do on my PC. However, it seems like the mobile browser does not ...
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1answer
22 views

Metamask: Is aprove equivalent to 100% automatic transactions?

When we do an approve in metamask we see this text: Is this site trustworthy? By granting this permission, you authorize [Site] to retire your [Token] and automate transactions for you. What does ...
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1answer
44 views

Cancelling truffle migrate to mainnet. With previous pending transactions that have low gas prices

I am exporting my smart contract to the Ethereum mainnet and I am using Truffle to export my smart contract. However when deploying I was trying out multiple parameters and as a result have 11 ...
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1answer
38 views

How to access funds from selling NFT on OpenSea.io when paid via internal transaction sent to my MetaMask Wallet?

I sold an NFT on OpenSea.io but don't see the proceeds reflected in my MetaMask wallet. Upon review, OpenSea sent the proceeds of the sale via internal transaction to my MetaMask wallet. How do I ...
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1answer
32 views

Problem with Matic tokens(Polygon)

I hope you are all well. There is something I don't udnerstand. I have matic tokens(polygon tokens) in my metamask under the main ethereum network(mainnet). I had configured the matic mainnet in my ...
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1answer
13 views

How can you restrict access to a website based on the contents of a Matamask wallet?

How can you restrict access to a wordpress website based on the contents of a Matamask wallet? Similar to the BAYC bathroom (https://boredapeyachtclub.com/#/login-bathroom), where you can only log in ...
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err_cleartext_not_permitted error while running Dapp on Android Metamask

I use Metamask browser on Android phone to connect to a Dapp. But it gives ERR_CLEARTEXT_NOT_PERMITTED. This Dapp is working well on browswer extension Metamask. All connections in web3.js source is ...
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How often can I use `contract.methods.some_method.call()` to read data?

Will metamask blacklist an application or something if it makes calls to contract methods very often?
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30 views

WalletConnect mobile application freezing

Good evening, I tried to use #WalletConnect on my Android phone but once I started logging in and attempted to link my MetaMask to WalletConnect it transferred my funds to WalletConnect and now I have ...
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1answer
34 views

Not able to transfer ETH via MetaMask using web3.js

So I try to transfer the funds using below code its working in metamask extension its shows SEND Ether amountToSent = "0.002" web3.eth.sendTransaction( {from: ethereum.selectedAddress,to:...
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1answer
18 views

Unable to add transaction to blockchain (I'm invoking the setMessage(str) method but the string i pass doesn't get set but getMessage() method works)

When i call the setMessage() function this doesn't log any transaction in the blockchain. But the getMessage() function works by bringing the message which was previously set using the remix IDE ...
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1answer
68 views

How to send a signed transaction using metamask and web3?

I'm stuck at sending a signed transaction to a Smart Contract deployed on Ropsten network. As learning purposes, I created a 'Voting' smart contract. This contract includes 2 candidates we can vote ...
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2answers
95 views

How to approve swapExactTokensForETH from UniSwapRouter V2, before invoking it?

I am trying to create a simple DAI/ETH swapper which lets me swap some DAI for ETH using Uniswap Router V2. I am creating it using React and uniswapSDK. So far, I have managed to connect to my ...
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1answer
25 views

Using Coinbase Seed Phrase On MetaMask

Is it safe to use the 12 word seed phrase from Coinbase Wallet...for MetaMask? I heard its not safe. When I tried it...it showed my coinbase balance. For MetaMask do you only need to use a MetaMask ...
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17 views

how to display receiving amount in metamask when confirming contract tx

I'm having trouble displaying receiving amounts when confirming tx to receive funds. Once confirmed, the funds are sent from the contract and received ok, but the problem is that on confirmation (when ...
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24 views

Sending Polygon via Metamask

I'm converting my DAPP to Polygon from Ethereum. And currently we have a frontend system that lets users pay us for our services. We are doing this using the Metamask RPC API. But because we are no ...
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1answer
21 views

Is interacting with Web3 private?

If you're interacting with a dApp, e.g. connecting to a Web3-enabled site via MetaMask, would this interaction be private or is there a way for service providers to record your wallet address and any ...
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1answer
456 views

Why is there a problem of insufficient funds in Opensea?

I am trying to pay the registration fees for setting up my Opensea account. I have currently 0.02959 Eth in my account but when I try to pay the gas fee, there is always insufficient funds problem. ...

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