Questions tagged [metamask]

Question about the Metamask chrome's plugin.

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What should gas prices be for sending out tokens?

I constantly get failed transactions when sending out tokens like USDT using metamask. I have my gwei set at 10 and the gas limit at 21000. I even tried gas limit set to 51000 and it still fails. ...
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47 views

What's the best way to detect an incoming transaction with websockets and update balance?

What's the best way to detect an incoming transaction with web sockets and update balance? Should it be done with polling? Like for example - how would a web wallet do it? It's sitting idle - is it ...
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12 views

Dapp browser/extension compatibility

Warning: open-ended question coming... I’ve been developing a dapp using MetaMask. I understand that web3 is the critical cog that provides a degree of universality when having to deal with ...
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124 views

Web3 provider in Unity

I working with projects on the blockchain. Making web apps which communicating with smart contracts, giving tokens or etc. For web apps, I need to get users wallet (Ethereum). I using these software/...
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1answer
44 views

I cant deploy contract on geth

I am trying to deploy my contract using geth on my private network. When i use truffle mirate --reset shows that is has been deployed but the metamask gives me an error( ALERT: Transaction Error. ...
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1answer
325 views

Transaction Error. Exception thrown in contract code. (MetaMask)

When I use Ganache it runs with no problem and MetaMask too. When I run my contract in my private Ethereum network (Geth). When I use a function from my contract the MetaMask gives me this error (...
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117 views

ALERT: Transaction Error. Exception thrown in contract code

I get the this alert from metamask . I have create a dapp and i have deployed the contract with truffle on my private ethereum (geth)network and i have connect an account. I have put in the truffle-...
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367 views

Why is my metamask transaction failing even if I set a high gas limit?

Below is a failed transaction. i set the gas limit to double of what it normally is, but it still failed. How can one figure out the correct gas limit, if the auto settings don't even work. Why does ...
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167 views

Uncaught (in promise) DOMException: Failed to execute 'postMessage' on 'Window'

let web3Provider = web3.currentProvider; let ethersProvider = new ethers.providers.Web3Provider(web3Provider); Using the web3 current provider for creating the ethers provider causes a uncaught DOM ...
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1answer
457 views

MetaMask - RPC Error: Error: WalletMiddleware - Invalid “from” address

I'm trying to create a simple Dapp (via tutorial) which would allow me to send Ether from sender to receiver (via a contract with an address that automatically approves the transaction). The truffle ...
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71 views

Metamask transactions keep stack at the txpool of a Quorum Private Network

System information Geth version: 1.7.2-stable-0905eda4 OS & Version: Ubuntu 16.04 Branch, Commit Hash or Release: HEAD detached at v2.2.1 Actual behaviour and Steps to reproduce the behaviour ...
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53 views

Why this error occurring when i running my dapp?

I create a dapp using Solidity,Web3Js,Javascript and Html with metamask i always getting this error when i am trying to submit my transition i am getting this error at c (inpage.js:1) at ...
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2answers
119 views

how to write backend for contract if you use infura ropsten metamask and remix

i'm using metamask with ropsten. deployed my contract on ropsten using remix. for the backend i used infura to create instance of web3. ew Web3(new Web3.providers.HttpProvider('https://ropsten.infura....
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Expressjs backend (truffle box) with metamask

I use truffle to unbox the express-js box (https://truffleframework.com/boxes/express-box). The code loads the web3 instance in server side which connects directly to ganache. Now I want to be able to ...
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27 views

isListening returns an error when false is expected

I'm attempting to verify the status of the network provided by metamask with web3.js by using web3.eth.net.isListening().then(console.log) The method works when I'm connected. However, console ...
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118 views

EOS in my Metamask

I am trying to transfer my EOS to Binance but there is not Memo field on Metamask and its also not excepting the account name. Can anyone help me with this? Thanks CSD
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1answer
61 views

How to view or transfer initial ethereum smart contract balance?

I created a new smart contract token with initial supply and deployed it via MetaMask. Then I added this token into MetaMask but token balance is Zero. Now, My question is when we create a new ...
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34 views

How to handle estimate gas cost error?

I am programming a button for a transaction which shall only appear if the transaction is possible. Therefore, I am using the following code contract.methods.function(parameters) .estimateGas({...},...
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374 views

Web3 Cannot read property 'apply' of undefined

I'm new to dapp and trying to follow iwaldman to build an ipfs-image-dapp. Here is the repo: https://github.com/iwaldman/ipfs-image-dapp. But running yarn start gives the error Cannot read property '...
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38 views

Looking for api call to send ERC20 token over eth-wallet

I use metamask and etherscan api to get the info when a specific ERC-20 token is sent to my wallet. I would like to use API to send a specific ERC-20 token back to a given public key over API from ...
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1answer
82 views

metamask and web3: Invalid number of arguments to Solidity function

my function has only one input string description : function createProposal(string description) { Proposal memory p; p.description = description; proposals.push(p); } and ...
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1answer
96 views

Not able to connect metamask account with remix

Error: - Cannot get account list: Error: The method personal_listAccounts does not exist/is not available. Pop containing above message appears again and again. Privacy Mode in metamask is disabled....
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38 views

MetaMask Calling Child Contract Methods?

I had created a contract(Organisation.sol) that create other contracts(Session.sol). When I call any method from(Organisation.sol) using web3js it work well. But If I ever tried to call any method ...
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13 views

Account & Block Polling not happening properly for the DApp in Trust Wallet Browser

my DApp works fine in desktop/laptop using metamask which polls the accounts and blocks (1500ms and 3000ms respectively), as set in the drizzle options. But the same DApp when I open in trust wallet ...
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34 views

Help needed: MetaMask crash reason?

I am experiencing an issue of MetaMask but I do not know how to track down if this is due to MetaMask itself or due to my dapp. Following problem: I load my webpage in Chromium on Linux and log in to ...
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27 views

Can't Connect Metamask to Ballot Dapp?

I want to connect Ballot Dapp to Metamask but it Shows "rpc error with payload" and "ALERT: Trying to call a function on a non-contract address".
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1answer
270 views

How to connect with Metamask and Smart contract?

I am ready with my frontend design. I have only 3 files HTML, CSS, and JAVASCRIPT. So, I didn't create any project or DAPP to have other files. Now next step is to connect with metamask and smart ...
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2answers
33 views

connect users to the sidechain SKALE

SKALE is Ethereum Dapps to run high speed, Low cost smart contract layer. I wish to connect users to the sidechain SKALE,from their browser. automatically without the manual change as necessary for ...
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36 views

Send ether from one wallet to another

I have two metamask accounts and what I want to do is send ether between those accounts. For the interaction between those accounts, use infura, I give the address of both accounts but in the end the ...
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83 views

My MetaMask is not loading token data, what is a mobile app that can import the MetaMask Private Key?

It's not loading any of my tokens for some reason for Metamask. I can extract the private key from this address. But what is a mobile app that can import a ETH private key? And is there one for ...
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156 views

MetaMask - Multiple transactions confirmation

Is it possible to somehow make one pop-up window with one group confirmation for multiple transactions in MetaMask? I need to send to the blockchain multiple pieces of data, 1 piece of data = 1 ...
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73 views

Solidity, Web3 - Invalid number of arguments to Solidity function when I have correct number

I created smart contract and I deployed it on Ropsten network using Truffle. I tested it from Remix and it works. I have there 2 view with a same name checkInputData but different number of parameters....
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51 views

Smart contract hanging in react

I'm trying to make a call to my smart contract and write data to my blockchain, which is successful. However, after that completes I want to make an entry in a firebase database. The code appears to ...
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1answer
202 views

Logout of MetaMask with API

Is there a way to logout of MetaMask from my own frontend, allowing the user to logout with a button rather going up to the Metamask extension and logging out through the traditional manner?
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2answers
187 views

No “from” address specified in neither the specified in neither the given options nor the default options

So I already went through this query, but I still couldn't get my doubt solved. Be it any Blockchain Dapp, the same error is coming for me. I used the marriage certificate and kickstart examples. Can ...
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0answers
37 views

ETH send to contract fails, probably fallback() function fails to call

I deployed the following piece of contract on testnet and everything works fine.But, when I send test ETH for the contract address, transaction fails. I tried with higher gas as well but failed as ...
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1answer
66 views

Cannot read property 'sendEth' of undefined, 'sendEth' is function in smart contract

Hi I'm trying to interact with an Ethereum smart contract but it is always showing "TypeError : Cannot read property 'sendEth' of undefined" where 'sendEth' is a function in my smart contract Here is ...
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1answer
24 views

Accounts with ether cannot execute transaction on private chain

According to Metamask my accounts have ether, one account can submit transactions and have them be executed by the network, the other two have their transactions left as Submitted transaction. Note, ...
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0answers
124 views

Metamask not connected with web3.js

if (typeof window.web3 !== 'undefined') { web3 = new Web3(web3.currentProvider); } else { // set the provider you want from Web3.providers window.web3 = new Web3(new Web3....
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1answer
82 views

how to connect my html form that is username and password to blockchin and taking the username as metamask key?

I am developing a decentralized cloud web application, when the user will login into the application he/she will generate password from blockchain, I am not getting how to connect my html form that is ...
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1answer
74 views

Wait a promise end before continue

i try to create a map with (address => bool) with web3js. I want to know if the address is a contract owner. So, i have to call "owners" function in my solidity contract. As you can see below : let ...
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1answer
116 views

Invalid JSON Response while connecting DApp, Metamask and Backend

I am getting some error(picture below) while trying to connect DApp with a backend. One day ago, everything worked fine, now I got an error: "basic auth failure". Contracts are deployed on Ropsten ...
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0answers
279 views

Getting error while buying test ether from https://faucet.metamask.io/

I just tried to buy a test ether from https://faucet.metamask.io but the faucet address which is supposed to give 1 ether doesn't have enough balance. Snapshot of the faucet address And when i ...
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0answers
99 views

Contract deployment not working anymore

So I have this following code that was working a couple of weeks ago and today I decided to run a few tests and it just doesn't do its job anymore. function approve(rid, guest_wallet, ctr_key, dti, ...
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0answers
373 views

Web3 is injecting but stilling getting an invalid provider error

I'm injecting web3 with MetaMask, and everything works, but when I make a production build, I notice that it injects web3 alright, but when I try to call a web3 function, it throws `Please provide an ...
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0answers
180 views

How to call contract method from specific address and private key without Metamask check

Good morning, I need to known how call contract method in javascript from specific address(and relative private key) without the check of Metamask. I explain better. This is an example of js code, ...
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0answers
51 views

Got Gas Estimation failed error every time, at the time of execution of MultiSig wallet contract. Specifically while executing sendMultiSig() function

function sendMultiSig( address toAddress, uint value, bytes data, uint expireTime, uint sequenceId, bytes signature ) public onlySigner { // Verify the other signer var operationHash ...
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1answer
331 views

Intergrating metamask in DAPP

I am trying to integrate MetaMask version 5.3.1 in my Dapp. I am unable to call web3 functions like getBalance with the given instance, also I am unable to post a transaction. Is there any ...
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0answers
50 views

I think Metamask gas fee showing has an error. Please have a look!

1) This is the 5 Gwei gas price, and the Metamask is showing it well. 2) This is also 5 Gwei gas price, but the Metamask is showing much expensive ETH on it. So, when the second Metamask window pops ...
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1answer
233 views

Connecting Metamask to geth

In here it's said we need to run below command line to let Metamask connect to geth: geth --rpc --rpccorsdomain="chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn" I'm running a private ...

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