Questions tagged [accounts]
Ethereum has two types of accounts: externally owned user accounts, controlled by private keys, and contract accounts, controlled by their contract code.
455
questions
0
votes
1answer
10 views
How do i change Truffle default account after contract deployment to interact with it?
I work with Truffle and Ganache along side Windows Powershell. Here, Truffle's default account is account[0]. I deploy my contract with that. After a while, i need to interact with the contract with ...
0
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1answer
32 views
ReferenceError: accounts is not defined
I was using "truffle test" for testing with JS. gives this error.
here is the code of that part.
it('transfer success', function(){
return Eve.deployed().then(function(instance){
...
1
vote
1answer
26 views
Can queue of pending transactions will be confirmed if send last transaction with high gas price?
I have several pending transactions from the same account with a low gas price. What if I send one more transaction with next nonce but high gas price? Can it help to mine all pending transactions ...
0
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1answer
32 views
Import accounts on Ethereum Wallet is disabled
The Import accounts option in File is disabled.
I am using the Ethereum-Wallet-linux64-0-11-1, latest version (now).
After I reinstalled the OS, I tried to import some accounts.
I copied the accounts ...
0
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0answers
54 views
Served eth_sendTransaction err=“unknown account”
I'm facing issue with private chain, when I run the node, it shows the logs as below, and transaction went in pending status.
Folder structure
All the wallet file reside into keystore folder.
Node....
0
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1answer
17 views
Solidity-how to transfer ether from an account to a smart contract as deposit
I just started to learn Solidity. In the SimpleAution contract, there are two functions, bid() and withdraw(), the former iniating a bid, transfering some ethers to the contract as deposit, the later ...
0
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1answer
96 views
Is there a way to retrieve private key of ganache account with web3?
web3.eth.getAccounts() returns list of accounts.
Is there a way around to get the private key of one of the account from the list returned from the above code?
0
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1answer
31 views
Reproducing a Ganache Server across multiple computers
There are multiple developers on the team and it seems as though we all want to be working on a specific test network with specific public and private keys with a specific number of users who all have ...
0
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1answer
37 views
problem with sending ethers on ropsten network
I am trying to send ethers from one address to another address on the ropsten network but I get the message "undefined".
Here is my code:
web3.eth.getTransactionCount(account1, (error, ...
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0answers
291 views
Is it required to use multiple Etherem accounts to send transactions on behalf of customers to avoid pending transactions?
We are developing an Ethereum based exchange. In our project, customers put their orders to send ETH or ERC20 tokens to others, and we currently do these transactions via our Ethereum account on their ...
1
vote
1answer
48 views
The send transactions “from” field must be defined using Infura web3
when I try to send my transaction using infura I get this error
"The send transactions "from" field must be defined"
My problem is my web3 object. When I used Metamask and ...
0
votes
1answer
23 views
It is secure do accounts just with web3.eth.accounts.create() ? (entropy)
const Web3 = require('web3');
let url = 'infuralink';
let web3 = new Web3(url);
console.log(web3.eth.accounts.create());
This is the code of many tutorials for do a key pair.
it is completely secure ...
0
votes
1answer
54 views
Truffle Console: “undefined” message varaiable declaration
I am giving following commands at Truffle console but I am getting "undefined" message:
> $ truffle console
>
> You can improve web3's peformance when running Node.js versions older
> ...
0
votes
1answer
17 views
Was the function called before from a specific address?
Consider a function definition as below -
function checkForUpvote() external returns(bool){
Here I would first like to check, if the external account invoking this function
: has invoked this ...
0
votes
1answer
81 views
Ethereum transaction with multi input and multi output like bitcoin
What happens to my wallet when I only 1000 accounts with 0.0001 ether and the tx-fee is about the same, I can't spend anything anymore?
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2answers
138 views
Unknown Accounts suddenly appearing in MetaMask wallet…?
My MetaMask wallet has multiple accounts which I did not create. I have no idea how they there.
Is my MetaMask wallet compromised? Or is this normal that MetaMask creates new wallet addresses when ...
0
votes
1answer
35 views
web3 does not find metamask accounts
I have a very strange bug in the code. When loading a page with a code, the current account in metamask should be determined. but this only happens on one local domain. in other domaines accounts are ...
0
votes
1answer
42 views
Can an Ethereum account be used by several users at the same time?
I am developing a DApp for donations (the donations are not in cryptocurrencies). I want the donor to make donations without registering on the platform. In fact, I don't need to know who he is. So it ...
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0answers
30 views
How to interact with Remix contract through web3py
I have an assignment for which I must write a client that can interact with a deployed contract by transacting and filtering event logs, but I cannot figure out how to successfully get either to work ...
0
votes
1answer
32 views
How to sign transactions while Geth does not provide private key?
I've lunched Geth for the first time and created some accounts on it. While creating accounts, I entered a password for each, and a key file is generated which contains encrypted private key belonging ...
0
votes
1answer
17 views
My cutom RPC meta mask created account is not showing in terminal
I have installed geth and created genesis.json and run my own private eth network. I started my rpc using
geth --rpc --rpcport 5200 --rpcaddr 192.168.1.99 --datadir ./private
Then I connected to ...
0
votes
0answers
19 views
How is the storage trie of a user account which does not belong to any contract?
We know that storage trie (stored in the leaf node of state trie) is storing the contract's data related to an account. Then, what will be stored in the storage trie of a user account which does not ...
1
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0answers
20 views
keystore path in geth command does not work
I've lunched Geth server and want to store data and keystores in a non-default directory. I've used this command to run Geth:
geth --datadir /etc/dir/ --keystore /etc/dir/keystore/
But when I run ...
0
votes
2answers
196 views
How Ethereum supports in dealing with double spending problems
Let's us consider a scenario where I am using my ethereum wallet for creating a transaction request (where my account balance is 100 eth and I am doing a transaction of 50 eth to someone from one ...
1
vote
1answer
49 views
Difference between web3.eth.personal.getAccounts() with web3.eth.getAccounts()
What are the differences between web3.eth.personal.getAccounts() and web3.eth.getAccounts()?
environment
truffle: v5.1.7
using truffle console.
1
vote
1answer
85 views
Generating multiple deposite address for one account
I want to create something like a Crypto exchange, in which I need to generate different unique deposit addresses for each user, so they can send funds to their accounts while I can keep track of how ...
0
votes
0answers
29 views
Golang list unlocked accounts from node
Wondering how would I access an unlocked account on the node (private geth) in golang. The flow I'm looking for is:
1. user unlocks their account (using personal.unlockAccount for example)
2. my app ...
2
votes
1answer
192 views
Execute transaction Approve directly against contract address (without ABI)
Solved
For now, you will always need the ABI to execute a call against the ethereum network with web3. A simple way is to reconstruct the function you wish to execute is to, either create a separate ...
0
votes
3answers
70 views
Can an NFT (e.g. ERC721) simultaneously belong to two different entities, say an user Owner, as well as a user Custodian?
For example, on the blockchain say you own a ERC721 Car token at your wallet address, but you want to park it in the ERC998ERC721 top down composable Garage owned by your friend, while still retaining ...
1
vote
2answers
894 views
Reinstalled MetaMask, account lost?
I had 3 accounts under my MetaMask Chrome extension. One of them had some small deposit. I have reinstalled the extension and used seed phrase to get access again. However, I can see only one account (...
1
vote
1answer
98 views
private key vs seed
I made an extra account in Metamask for my GF, I kept Account 1 for myself and I gave only the private key of Account 2 to my GF. I kept the seed words only to myself.
Since then, she has dumped me ...
0
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0answers
359 views
Unable to Unlock Account Even After specifying allow-insecure-unlock
Software: Ubuntu on VirtualBox
Update, tried putting two dashes, on allow-insecure-unlock, doesn't work
solidity@solidity:~$ geth attach http://127.0.0.1:8545 --allow-insecure-unlock
Incorrect Usage:...
0
votes
1answer
138 views
Unlock Ethereum account via infura
I am trying to connect my wallet (Metamask) via Infura, but I receiving an error.
My code:
[HttpPost]
public async Task<IActionResult> LoginAsync([ModelBinder(typeof(AccountBinder))] ...
0
votes
0answers
38 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 ...
2
votes
2answers
2k views
How to check Ethereum smart contract info?
I want to know 3 things:
Is an address a smart contract?
Is this smart contract an ERC20 or ERC721 token?
Is the Solidity code public?
0
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0answers
19 views
Which one is more secure and easier to mange among eth.accounts.create, personal.newAccount & eth.accounts.wallet.add
Here are what I knew about them:
eth.accounts.create: Generate an address and private key for transaction but did not stored in anywhere.
personal.newAccount: Create an account under node, so that ...
0
votes
1answer
90 views
Geth + Web3 | web3.eth.getAccounts() returns undefined
I have follow this SO answer for sending ERC20 tokens from 1 address to another. I am running into an issue where I am receiving an error that my from address is invalid
Error: Error: ...
1
vote
1answer
32 views
How to call a function with params and check them
I want to create a smart contract that users can send a number to and receive an amount of ether.
function airdrop(uint val) public payable {
require(airdrop == true);
if (val == 0x31){
...
2
votes
3answers
511 views
How smart contract transactions work?
I read that smart contracts donāt have a private key, so they canāt sign a transaction. My question is: when a smart contract starts a transaction to an EOA, how are we sure that the smart contract ...
1
vote
3answers
894 views
Alternatives to Metamask
What are existing alternatives to metamask with that works online inside existing browsers, that don't require installing a browser extension? What are some of the tradeoffs between them?
1
vote
1answer
208 views
Both web3.eth.accounts.create() and web3.eth.personal.newAccount() not working
I'm making a dApp on reactjs. I wanted to create a new account and have done it trying 2 methods
this.web3.eth.personal.newAccount()
this.web3.eth.accounts.create()
I have attached the code below(...
3
votes
1answer
138 views
Multiple Accounts on a single node?
I am a beginner and learning Ethereum. Can somebody please tell me if my understanding is correct?
Q) There could be just 1 node running, but multiple accounts?
0
votes
1answer
39 views
Where is storaged the publickey for any account?
I have been reading the Ethereum Yellow paperthat for any account there are four parameters:
nonce
balance
storageRoot
codeHash
A transaction is signed using three parameters: r,s,v
According to ...
1
vote
1answer
27 views
Scope Issue: Not successfully storing accounts after using web3.eth.getAccounts()
I am having trouble with the following code:
var accounts = []
let accounts = await web3.eth.getAccounts((error, result) => {
accounts = result;
console.log(accounts);
});
console.log(...
1
vote
1answer
33 views
Find keyfile of an account
I have several accounts in my Geth wallet. I need to locate the keystore file of a given account but there doesn't seem to be any connection between the keystore file names and the accounts. How do I ...
1
vote
1answer
692 views
How to export mnemonics for a specific account in MetaMask
How can I get the mnemonics from a specific account in Metamask?
I found the reveal seed words in the settings-dialog, but this seems to be something global.
Instead of this I want to export the 12 ...
2
votes
1answer
63 views
How do i create account remotely?
I have two servers, one for eth-node, one for web api and user db.
I want to send request to create account from web server to eth server, but i see it can be created by running command like geth ...
0
votes
2answers
85 views
Load accounts to truffle
I'm using truffle v5.0.14 to handle my contracts.
All was well while developing with ganache, but when I wanted to deploy to the real network (a private one) I have problems with the account.
The ...
2
votes
1answer
458 views
How to save new account in ganache-cli [duplicate]
I use ganache-cli --db to create a private test chain and save it on my computer,
and the result is below:
I use web3py w3.personal.newAccount('1') to add a new address, and I use print(len(w3....
2
votes
2answers
1k views
Issue with New version of Metamask: Remix cannot detect the Metamask address
I have just installed Metamask version: 6.3.1
Now in Remix, the address of my account in metamask is not detected. The account box in remix remains always blank now (see picture below).
Note that I ...
