Questions tagged [metamask]
Question about the Metamask chrome's plugin.
842
questions
0
votes
1answer
16 views
Metamask TestRPC shows 0 Ether while connecting to Ganache- CLI
I've gone through various Q/A(s) of the problem of ganache-cli and metamask not linking but after trying all the solutions, still doesn't work for me. As soon as I type ganache-cli in windows cmd ...
0
votes
1answer
14 views
How to choose wallet with web3
I have MEW and Metamask installed.
When I am trying to send a transaction using:
web3.eth.sendTransaction()
It always uses Metamask. May I know how can I specify I want to use MEW instead?
0
votes
0answers
5 views
How to use metamask wallet address and private key with ropsten and web3.py
I have used ganache RPC server and account address to compile and deploy contract, i want to use rospten account and metamask account for the same. I dont want metamask plugin to pop up everytime ...
0
votes
1answer
10 views
In MetaMask, I have my seed phrase but I didn't export my private keys. How do I recover my wallet?
So, I've been using MetaMask to try app.compound.finance and everything went well. I've deposited a small sum and connected the app to the wallet. But a few weeks later I decided to deleted the chrome ...
0
votes
1answer
20 views
Not able to successfully send Transactions via MetaMask on Firefox Browser
Does anybody help me figuring out why I am getting failed transaction here?What does this error means? Few days back,with the same line of code,I was able to successfully send transactions.
An update:...
0
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0answers
13 views
Trying to send ERC20 token with Javascript button without success
I am trying to send an ERC20 token with the following code via web3.js. It was working until a week ago and then it stopped. Am I doing something wrong? Upon clicking it no longer interacts with ...
0
votes
1answer
23 views
How can a smart contract payable based function returns value against any purchase
I am trying to get a return value from the payable function, the idea is a user must pay the fees and in return, he will get his special code.
My JS test code is as follow
it('get special code ...
0
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0answers
9 views
How can I change the text message on connection request window of metamask?
I want to change the message in connection request window using web3js.
I have attached screenshot here. kindly check it.
0
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0answers
16 views
How to connect Remix desktop to connect to MetaMask?
I downloaded the desktop version of Remix, and am trying to connect it to the main network. I can do this in the web version of Remix easily, opening up MetaMask on my browser. However, in the desktop ...
0
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0answers
7 views
How to simulate 2 accounts on the same Ropsten network using MetaMask and Remix?
I was able to deploy to the contract and everything but I wanted to see another account interacting with the contract, but on Remix only one account at a time
0
votes
0answers
23 views
JSON RPC error on Angular Truffle Box
I use angular-truffle-box to create a dapp and when i tried to create a method getAge() and deploy the contract it shows me this error:
Error: Returned error: {"id":12,"jsonrpc":"2.0","error":{"code":...
0
votes
1answer
20 views
Altcoin transfers
I sent a number of ERC20 tokens to Metamask. They are not showing in the MM wallet, but I do see them in Etherscan. I now want to sent them to a different address but I don't see how to do that. When ...
0
votes
1answer
37 views
how can i count how many buyers made request to my smart contract and get earnedEther [on hold]
I am using a factory contract for selling and buying goods.
how can retrieve how many buyers bought and calculate how much ether earned by selling goods? here is my source code. I am new on smart ...
0
votes
0answers
30 views
Issues with metamask in my project
Please look at images:
The first images is what i get when logged in to metamask
and the second image is what i get when not logged in to metamask
When im logged in to metamask i can buy sell ...
0
votes
1answer
15 views
Metamask from web to mobile
I have use my PC to manage MetaMask (ie. chrome extend). compound.finance also connect to my metamask wallet. I want to manage my account by mobile and at PC that I install metamask mobile in andriod....
0
votes
3answers
52 views
how to send transaction in web3 and infura providers
I have Ropsten testnet, and infura provider. I would like send transaction from one to another account
w3 = Web3(Web3.HTTPProvider('InfuraUrl'))
transaction = {
'from': 'accountAddress',
'to': '...
2
votes
1answer
36 views
MetaMask and it's “speed up transaction feature” — no callback
I'm using MetaMask to make Ethereum transactions from my website, as described here: https://metamask.github.io/metamask-docs/Main_Concepts/Sending_Transactions
It works perfectly. I capture the ...
0
votes
1answer
10 views
Connect Metmask to ( local host ) port other than 8545
How to connect metmask to genach-GUI having port : 7545 instead of
8545 .
Only network localhost :8545 is available on metamask
Is it done through custom RPC network ?
If yes, then how should ...
0
votes
0answers
31 views
getAccounts undefined recently
I've been using web3 v 0.20 and I recently noticed that getting accounts from
web3.eth.getAccounts(function(error, accounts) {
returns undefined.
Is Metamask 7.2.1 forcing it to be undefined for ...
0
votes
0answers
26 views
Metamask error: Transaction error. exception thrown in contract code
I've been successfully compiled and deployed my smart contract Campaign.sol. All the functions in my contract can run successfully but as I use my javascript file RequestRow.js to call my function ...
0
votes
1answer
29 views
cannot be able to connect to private blockchain hosted at local VM
I want to use remix IDE and want to connect web3provider which needs to be connected to private blockchain running on VM locally.
My system is running on Windows 10 and I am running the VM on my local ...
0
votes
0answers
17 views
Developing a dapp using Truffle. Metamask will sometime throw this error when interacting with a simple contract
Trying to setup my development environment to start a personal dapp project.
I am starting off the project with the React truffle box.
1) I start by running truffle develop which launches a local ...
0
votes
0answers
32 views
send().catch() doesn't give me the error message anymore
I'm using Truffle/Drizzle/MetaMask and calling methods with send() and using .then() and .catch() and I rely on getting the error message send to .catch() e.g.
contract.methods['hello'](arg).send({
...
2
votes
1answer
36 views
ecrecover in c++
can anyone spot what I am doing wrong? I am trying to recover the public address from data signed by web3.personal.sign in Metamask and with this code the public address comes out wrong.
Hash and hex/...
0
votes
1answer
19 views
How DApp actually talks to Ganache ethereum node?
Both Metamask and web3.js seems to be enabling a DApp communicates to a remote ethereum node.
There are a few different aspects to developing blockchain applications with Ethereum:
Smart ...
0
votes
1answer
57 views
Web3-core-helpers error: Uncaught (in promise) Error: Provided address “undefined” is invalid,
When I launch the app with with react.. this error occur when my exchange contract is loaded..
Here is the code i wrote to talk to the blockchain:
export const loadBalances = async (dispatch, web3, ...
0
votes
1answer
22 views
MetaMask listed as “web wallet” on official Ethereum website
MetaMask is listed only in the "web wallets" section of the official Ethereum wallet guide. Obviously, MetaMask is written in Javascript and runs in a web browser. But this is also true of the ...
0
votes
1answer
191 views
MetaMask - RPC Error: Internal JSON-RPC error
I am getting this error when i trying to use metamask on my local for a simple transaction from one account(say A) to another (say B).
code: -32603
data: {originalError: {…}}
message: "Internal ...
1
vote
1answer
14 views
Forks of Metamask
Are there forks of metamask to be used to end-users in a permissioned network?
In other words, I would like to:
- hide public networks (to avoid confusion)
- pre-configure that the user should use the ...
0
votes
1answer
17 views
View sendTransaction implementation
I'd like to see code that implements getAccounts and sendTransaction in a provider.
I tried digging into the Metamask source code and found the line where Metamask supplies the Web3 provider, but I ...
0
votes
1answer
23 views
How do I deposit an Ether amount to the smart contract function, namely deposit ? (Metamask version 0.20.7)
I have a problem with using the deposit () function on a smart contract. How do you use metamask 0.20.7 ?
const contractInstance = web3.eth.contract(contractAbi).at(contractAddress);
contractInstance....
1
vote
2answers
133 views
Issue with Ganche and Truffle with Metamask. Can't load token balance
I'm testing to create a token in Truffle; it compiles fine, but it won't load the balance of the token in to Metamask. I've set the connection correct: it does load the ETH balances of the Ganache ...
0
votes
0answers
39 views
Getting Metamask Error Message into web3.js DApp after user rejects transaction
I'm building a simple HTML/JavaScript front-end to interact with a Smart Contract using web3.js and MetaMask.
I have a function to call one of the methods in order to send a contribution to the Smart ...
0
votes
0answers
30 views
web3 update monitoring
Inside a DAPP, I have been using
web3.currentProvider.publicConfigStore.on('update',...
to monitoring Metamask activity.
But in the new metamask-mobile such method does not exists.
There is a ...
0
votes
0answers
37 views
How to connect to MetaMask via web3js
I'm trying to recreate this site TenThousandSu
And this is the smart contract I'm trying to call https://rinkeby.etherscan.io/address/0x7e338acfb7a5d7e99f4225cc12dc884f49c00f6a#code
I'm using "1.0....
0
votes
1answer
36 views
Gas estimation errored using ERC20 in REMIX
I'm trying to test making some smart-contract that uses DAI ERC20 tokens on Kovan testnet (DAI contract on kovan is 0xc4375b7de8af5a38a93548eb8453a498222c4ff2). I developed this very simple contract ...
1
vote
2answers
31 views
Is Metamask (and other tools like it) a threat to decentralization? [closed]
The concept of cryptocurrencies were to remove trust but tools like metamask require you to trust them with your front end.
3
votes
1answer
87 views
MetaMask blocks Web3 requests
I just set up a Block Explorer to interact with my private blockchain.
The private Blockchain runs in a VM. The host system connects to the Block explorer (also on VM).
When I have meta mask ...
0
votes
0answers
26 views
Payable function not working properly
Hi everyone hope I will be clear enough with the explanation because I couldn't find a proper solution.
I am just trying to checkout an item with my buy function but it seems like I am stuck.Here is ...
2
votes
2answers
40 views
Why can't I use a contract method in my Chrome console?
I am attempting to call a method from a smart contract from my chrome console. My dApps index.html file is deployed locally at http://127.0.0.1:5500.
I set up web3 and instantiate a smart contract ...
1
vote
1answer
35 views
How can I reduce the gas price for the fallback function?
Below is my fallback function for ethereum. It currently require 91000 gaslimit which is way more than 21000. Metamask always starts the transaction with 21000 gas stipend due to which transaction ...
-1
votes
1answer
33 views
Where is web3.eth.abi with the version of web3.js given with Metamask
Seems the docs doesn’t contain the answer. Looks like that part was moved elsewhere with latest transaction.
The aim is to access encodeFunctionSignature() for knowing to which function name the ...
0
votes
0answers
40 views
Transactions go to an older contract address rather than the present deployed one
Though I have deployed a new contract but the transactions go to a previously deployed contract in my application. I'm attaching the screenshot of my Remix-ide code and the code for the front end ...
0
votes
0answers
48 views
Ether.js - Sending transaction with metamask
Problem: Cannot send transaction to contract with metamask when using Ether.js
I can get a result when calling a public view function as shown below.
However, when calling a normal function, ...
0
votes
1answer
168 views
problem connecting web3 v 1.2.1 with metamask : 'currentProvider' of undefined
I am using Web3 v1.2.1 with nodejs v10 and following this link. I am having issue connecting with metamask,below is my code snippet:
const Web3 = require('web3')
const window = require('window');
...
1
vote
1answer
37 views
Fallback function fails when ethers sent from metamask
This is my code snippet for fallback function, If I use it by explicity using "fallback" function on Remix, then equivalent no of tokens do come in my wallet but if I send ethers via metamask directly ...
0
votes
2answers
42 views
Private Ethereum Platform development with Authentication System
I have to develop a system for Univeristy which provides digital certificates. I know some approaches but stuck about which approach I should choose.
The system will have (suppose 5 nodes + 1 super ...
1
vote
0answers
15 views
Unknown account error when initiating transactions from remote node
I am using Ropsten network and trying to transfer ether from my metamask account to my another account using geth client. I am using the methods like eth.signTransaction, eth.sendTransaction in CLI, ...
0
votes
1answer
111 views
How do I create a MetaMask Connect request to auth a wallet with MetaMask
I am looking for how to authenticate completely in the browser with MetaMask, presumably by having it sign with some private keys and prove that the user owns a wallet that lists the corresponding ...
4
votes
1answer
146 views
signed message different on opera and metamask
I am using the following code to sign a message:
web3.currentProvider.sendAsync(
{
jsonrpc: '2.0',
id: 1,
method: 'personal_sign',
params: [
`My account is ${this.accounts[0]}`...
