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Questions tagged [metamask]

Question about the Metamask chrome's plugin.

286 questions with no upvoted or accepted answers
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8
votes
2answers
689 views

TestRPC and Metamask: hanging on pending transactions

I'm using Remix and connecting to Testrpc via Metamask. I can successfully launch contracts to testrpc, but then it hangs on the subsequent calls that Remix makes to the public methods (Remix says "9 ...
7
votes
0answers
210 views

Error importing transaction: Transaction(InvalidChainId) in Private POA

Problem I am trying to send some transactions to my private chain, and all transactions are getting failed. I am receiving this error: Error importing transaction: Transaction(InvalidChainId) ...
6
votes
2answers
599 views

Parity-like Solution for using Ledger Nano Anywhere

I'm looking for a "Parity-like" solution so that I'm able to use my Ledger Nano on any Ethereum-powered website that doesn't support a Nano natively (something like Radar Relay). I know I can do this ...
4
votes
1answer
394 views

How can I use swarm with metamask or parity node?

I want to use swarm, but I wan't to download the all blockchain data. Is it possible to use metamask or parity node instead?
4
votes
2answers
3k views

MetaMask transaction rejected

Why transactions are rejected in MetaMask after conforming it? When a transaction is carried out in metamask it first get approved. after sometime it shows rejected. metamask is showing something like ...
4
votes
1answer
1k views

How deploy a smart contract with meteor and metamask?

I will deploy a smart contract with meteor and matamask. My code in main.js : var inactivityTime = 1000; var continuityContract = web3.eth.contract(Continuity.abi); var continuity = ...
3
votes
0answers
193 views

Why can't I fetch my Metamask account address with Next.js's getInitialProps?

I'm using Next.js to implement server-side rendering in my Ethereum app, however I can't fetch my Metamask address to display it in the top-right corner of the navigation bar in my index.js file. ...
3
votes
2answers
171 views

Native mobile Dapp - Sign transactions with user wallet

I'm starting a new project that involves a mobile Dapp and I have a question regarding signing transactions. Every mobile Dapp post that I read about offered two solutions: Use a Dapp browser, such ...
3
votes
0answers
101 views

Quorum :- metamask do not support privateFor feature of quorum

i got to know that metamask do not support privateFor because of which private transaction for quorum dapp was not behaving as expected. so, I can't use metamask for my quorum DApp to switch port and ...
3
votes
0answers
583 views

NetworkError when attempting to fetch resource. Resource URL: moz-extension://2…/contentscript.js Source Map URL: ../sourcemaps/contentscript.js.map

I get the following error message in Firefox Developer Tools Console following a successful sendTransaction: "Source map error: TypeError: NetworkError when attempting to fetch resource. ...
3
votes
0answers
212 views

Where is the latest MetaMask hello world dapp example?

MetaMask recently added a new permissions check. I'd like a copy-pasteable hello world dapp that includes all best practices and can check the balance of the current user's ERC20 balance for some ...
3
votes
1answer
357 views

Passing Web3 & Contracts Between Components - React Redux & MetaMask

Curious what's the best way to access and pass a web3 contract instance provided by MetaMask between components when using react-redux. At this point, I'm tempted to do the following for both web3 ...
3
votes
0answers
134 views

Not able to successfully do transactions of default MetaCoins(from Truffle) on local testnet on MetaMask

I have installed truffle and ran the default contract provided by truffle. I successfully compiled,migrate and put the default dapp on local testnet http://localhost:8080/.I am able to see the dapp ...
2
votes
1answer
43 views

Ethereum wallets that support “Custom RPC URL” like Metamask

I'm running a private blockchain and I've been using Metamask connected to my custom RPC URL with no issues.. I'm curious if there's any other Ethereum wallet that let's you add and connect to a ...
2
votes
0answers
30 views

How shoud I properly initialize DApp and get account address?

I am writing DApp in react, and basically I want to initialize web3, unlock account, and display it. Having web3 in my package.json In the onload I've tried to go following: let Web3 = require('web3')...
2
votes
0answers
40 views

Not able to connect to private Ethereum Network with metamask

I am running a private Ethereum Network in a cloud VM. I started the node with these arguments: geth --datadir test --networkid 123 --rpc --rpccorsdomain "*" --rpcport 30308 --rpcaddr "0.0.0....
2
votes
3answers
226 views

Balance may be outdated, Metamask

Metamask is showing an asterisk near the account balance, and the message "Balance may be outdated". Indeed the balance is outdated. This is true an all networks (Main, Ropsten, etc.) and different ...
2
votes
2answers
82 views

Metamask injects one account in web3, but calls contracts using another account

Building a React app, MetaMask injects web3, I get accounts[0] from getAccounts(), then pass it to my contract functions together with other parameters. I want my modifiers to lock incoming function ...
2
votes
1answer
44 views

Metamas - Infura problem. Cannot read property 'currentProvider' of undefined

I got a problem. I am using code below to connect to the eth from node.js app. Everything works perfect as long as I have installed MetaMask in my browser. I can be logged in, logged out, all good ...
2
votes
1answer
86 views

Remix + Metamask: The method personal_sendTransaction does not exist

I'm trying to deploy a contract to the Rinkeby Test Network through Remix and Metamask. Metamask seems to be properly configured: However, at Remix Run tab, the address dropdown shows no accounts: ...
2
votes
1answer
103 views

Metamask Error messages shows only revert

I have a little problem with the error messages I receive from MetaMask. In my dApp I have a modifiers which should throw an error with an error message. However, in MetaMask I only receive the RPC ...
2
votes
0answers
47 views

Automatic sign of Transaction

Is there any secure solution(without exposing a Private key of the user) to automatically sign transactions, which are requested from a DApp, so that user doesn't have to sign each of them manually? I ...
2
votes
0answers
43 views

How to get v,r,s parameters from transaction receipt in remix ide?

I am trying to get v,r,s parameters of a transaction so that I can use them to verify the signature. I am not sure but I think previously remix used to give these parameters in transaction receipt. I ...
2
votes
2answers
141 views

Offchain encryption in Ethereum dapp

Im wrting a dapp which holds / manages sensitive data which might need to be encrypted and decrypted and push again into chain. I know it is not safe to encrypt data in smart contract,which is why Im ...
2
votes
0answers
61 views

Use React Dev Tool in developing MetaMask

I am new to MetaMask, and learning how MetaMask works. I found MetaMask UI was implemented with React, so I tried to use React Dev Tool, but I am not able get it working. Please help. I started stand ...
2
votes
1answer
177 views

Remix + Metamask not fetching any values

I have a simple test contract that stores a hash and I deployed it via Remix and Metamask pragma solidity 0.4.25; contract Hash { bytes32 hash; constructor(bytes32 _hash) public { ...
2
votes
0answers
84 views

Retrieve MetaMask version in web3.js

Is there a way to determine the version of the currently installed MetaMask extension from web3.js? I can't find it by inspecting the Web3 instance.
2
votes
0answers
164 views

Signature generated through web3.eth.sign not leading to same address after fromRpcSig

I am trying to write sign a challenge using web3.eth.sign, web3 uses ganache.provider(), But when i do fromRpcSig(signature) ecrecover(challenge) which results in different address. But when i sign ...
2
votes
0answers
111 views

Initialize Metamask from front-end use of Nodejs

Building a simple ERC-20 Token payment screen for a simple shopping cart. I am having an issue figuring out how to use Metamask to allow others to make secure payments. As we dont have access to other ...
2
votes
1answer
110 views

Function to return tuples throws error on frontend

I have similar functions like this and they work fine: function getBarsOfParticipant() external view returns (uint256[], uint16[], bool[]) { uint256[] barIds = participantToBarIds[msg.sender];...
2
votes
0answers
184 views

How to sign transactions using metamask while developing in nodejs?

I am developing an application in nodejs. I need to interact with my smart contract and also want to sign the transaction using metamask as I don't want to manage they keys. I copied the following ...
2
votes
0answers
280 views

Cannot read property 'EIP712Domain' of undefined

I get this when trying to recover the address using eth-sig-util as described here. The code is very simple and this is all it contains: var sigUtil = require('eth-sig-util') var recovered = sigUtil....
2
votes
0answers
575 views

Connecting MetaMask with parity

I have configured parity to listen on an IP (and not on localhost) and verified that port 8545 opens when I start parity. I can reach the parity UI via a browser but I cannot connect MetaMask to ...
2
votes
0answers
201 views

Truffle deployment with metamask to ganache leads private key error

I'm using Truffle, web3js and Metamask to build a webapp. I'm using ganache for local testing. I'm trying to deploy a contract with import TruffleDeployer from 'truffle-deployer'; import ...
2
votes
0answers
154 views

MetaMask/mascara integration for no metamask users

I am creating iframe based metamask. github source HTML <script src="https://wallet.metamask.io/metamascara.js"></script> <script src="/javascripts/ethjs-query.min.js"></...
2
votes
0answers
119 views

How to implement a payment on a web page using MyEtherWallet?

I have seen a few solutions regarding implementing a payment (like donating) on a web page using MetaMask. But I really want to know if we can do that same payment on a web page with MyEtherWallet ...
2
votes
0answers
221 views

How to export extended (master) public key from MetaMask

I want to export extended public key for watch-only access to all ethereum addresses in the MetaMask HD wallet at once. It's very usefull for tracking of all portfolio/wallets in one place, especially ...
2
votes
1answer
127 views

Ether balance on Metamask doesn't change after selling tokens

I create a smart contract successfully using Remix IDE , Metamask and Ropsten for testing. I want to sell some tokens using Sell function, so I specified the value "20" for Sell function ,my initial ...
2
votes
0answers
74 views

Can a view function from a funded smart contract execute a send() transaction on an external contract?

I'm creating an open source voting app with a Node.JS front end. I'm hoping I can create a smart contract that can use funds allocated to it at creation time, so that participating voters don't have ...
2
votes
1answer
226 views

Metamask not allowing any transaction by code

I am building an application using ethereum smart contracts. I am using Metamask Chrome extension to run my application on Chrome. But I am facing a little issue. When I try to make any transaction by ...
2
votes
0answers
434 views

Metamask Cannot Open (loading white screen)

I just trying open metamask but it not opening, and displaying whitescreen with below errors in console : Error : MetamaskContentscript - lost connection to MetaMask Contentscript Forwarding ...
2
votes
0answers
318 views

ethjs - call function with multiple parameters

In my smart contract i have two functions: function getPawnOfSponsorship(address invitedPerson) public view returns(uint) { return (pawnList[msg.sender][invitedPerson]);} function ...
2
votes
0answers
804 views

Ethereum Dapp Account Login Protocol with Metamask

I'm building an Ethereum dapp for users to use with Metamask. We're going to have an account management system and I was trying to follow this post on how to achieve a "password-less" account system ...
2
votes
0answers
365 views

undefined contract address when trying to deploy with web3 and Metamask

I am trying to develop a simple wallet type contract but having troubles deploying it. I am trying to deploy it using the method described here. I am using truffle and web3 along with Metamask. Now, ...
2
votes
0answers
515 views

how to hook up web3 injected by metamask in angularjs

i need to connect to ropsten testnet through metamask but the problem is i wrote the code in node js and it works fine . but how to hook up the web3 into the angularjs 1.
2
votes
0answers
52 views

show specific information to specific users in meteor dapp

if a have a dapp with different users, and each user has his/her own profile page they can log in to. On this profile page, the user should be able to change/add his user information (name, age, etc) ...
2
votes
2answers
695 views

Send Multiple transactions in ethereum from an eth address

I don't know if this question was already answered but my question is about a normal wallet address and not a smartcontract. So what I want to do is to launch multiple transactions with small gaz ...
1
vote
2answers
131 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 ...
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, ...
1
vote
1answer
54 views

Metamask connection with private node with rpc

i am trying to connect metamask with private node but its fails to connect geth --rpc --rpcaddr 127.0.0.1 --rpcport 8545 --rpccorsdomain "*" --rpcapi admin,db,eth,debug,miner,net,ssh,tapool,personal,...