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.

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93 views

Can I move some DAO token to another account to vote twice?

If I split my DAO tokens to 2 accounts before voting, will I be able to vote twice? Thanks.
3
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1answer
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How to use key derivation and 'coin selection' to increase privacy, like in Bitcoin?

In Bitcoin, you can have increased privacy by never re-using addresses. A single private key can generate many addresses if you are using a key derivation scheme. In Ethereum, instead of UTXOs you ...
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Recieve payments in Ethereum ERC-20 tokens in web-services

I want to receive payments in my web-service in ethereum tokens, for example, Eos or Rep. And, of course, I must provide each user with different addresses for payment to determine who is the payer, ...
3
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1answer
671 views

How to use a customised Data Directory in Dev mode(private blockchain)

I have created the data directory in /home/ubuntu/ethchain. Then I created two accounts in this directory using the command (ran the command twice) geth -datadir "/home/ubuntu/ethchain" -dev account ...
3
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1answer
51 views

UTXO Output greater than Input

I reviewed the transactions from a recent ICO. The account below provided the largest investment. If you check the account, there is a far greater Out value than In. I was under the impression ...
3
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1answer
198 views

Proper way to unlockAccount

I'm running a private blockchain instance for personal development and I'm trying to understand what is the proper way to use personal.unlockAccount() to prevent a security risk. I understand the ...
3
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1answer
60 views

How to count empty accounts?

Is there a way to count empty accounts using geth ? I just want to be able to track current DDOS cleanup process.
3
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1answer
56 views

High level discussion: anomaly monitor

I was reading about past attacks on Ethereum network and I pictured the following hypothetical scenario: there is a tool or automated, machine learning based anomalous monitor to check out constantly ...
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1answer
1k views

How to unlock the ethereum contract account?

I installed the package from this link and its working fine. Then I create the one multisig contract. when creating the contract I got one new address. I can deposit that address but for withdraw ...
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1answer
140 views

What is pendingtotal and nicependingtotal in cpp-ethereum?

If I enter > web3.admin.eth.allAccounts() in my eth client I get the following answer after it lists my accounts: }, nicependingtotal: '21.173 ether', nicetotal: '16.168 ether', ...
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1answer
173 views

What options are suitable for Ethereum addresses with checksums?

Since Ethereum addresses don't have checksums, should ICAP addresses (which do have a checksum) be proliferated? Or are there other options more suitable for the proliferation of checksummed ...
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1answer
273 views

Is it possible to launch the C++ eth client without unlocking the accounts?

Each time I run eth it requests my master password. I don't feel comforatble with permanently running a node with unlocked accounts. Is it possible to launch the C++ eth (or alethzero) client without ...
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web3.eth.getBalance(address) throws an error: Invalid JSON RPC response: “”

var web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545")); web3.eth.getBalance(address) throws an error: Invalid JSON RPC response: "" while address is some existing valid ...
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Is it possible to stack transactions?

Is it possible to stack transactions which depend from themselves? Example: State on start: Account A (2 ETH), Account B (0 ETH), Account C (0 ETH) Transaction 1 - Account A sends 2 ETH to Account ...
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How are patricia trees used to prove the balance of an account?

I understand how merkle trees are used to prove the balance of an address with a small subset of the blockchain. On the Ethereum case, though, the result of a transaction could depend on the final ...
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1answer
119 views

Isn't there an unlockAndSendTransaction function in web3 JavaScript API?

I really believe that I saw a function named unlockAndSendTransaction on a web3 Javascript API reference page somewhere on Friday 12/09/2016 but today (Monday, 12/12/2016), I am unable to find this ...
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How did the “state clearing” transactions run Out of Gas?

"Failing to revert empty account deletions when the transaction causing the deletions of empty accounts ended with an out-of-gas exception" caused issues with consensus on November 24 2016. Usually, ...
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Ethereum wallet shows “no accounts yet” and 0.00 balance [duplicate]

I last used Ethereum wallet in June or July this year. Yesterday I upgraded on macOS to 0.8.7. It is syncing very slowly; at this rate it will take a week to finish the remaining 189,000 blocks. In ...
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c++ ethereum could not open wallet

Created 3 accounts as follows: $ eth account new Couldn't open wallet. Does it exist? Enter a passphrase with which to secure this account: Please confirm the passphrase by entering it again: ...
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How to encrypt messages to an account owner with the Ethereum public key? [duplicate]

As I understand it, an Ethereum account is a public/private key pair. Is it possible to encrypt a message with the public key (how?) that only the account holder can decrypt it with his private key? ...
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2answers
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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 ...
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2answers
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Does a transaction always require a smart contract to be executed?

I had a discussion with someone explaining that every time a transaction occurs (e.g. ICO token or ETH) on Ethereum it would pass via a smart contract or would require one. I would like to know what ...
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2answers
953 views

How to calculate the amount to transfer to completely empty an account?

So let's say my wallet is 1 eth, I need to completely empty it and I'm going to do it this way Var value = web3.toWei(1) - gas Is that right?
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1answer
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Can I deploy a contract to an arbitrary address that I choose?

If I want to create a smart contract by executing a raw tx, is it mandatory to compute the new contracts address the way it's been defined, or could I pick my own address arbitrarly? Why?
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Startup script for creating an account and running geth

I am trying to create a startup shell script to create a geth instance with a pre-configured genesis file at the nodes on an Ubuntu Wily OS with geth installed on the system. The objective is to ...
2
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1answer
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Why does the transaction exceed block gas limit? [closed]

When I try sending ether to another account, I keep getting the message "Exceeds block gas limit". I changed the gas amount from 5,000 to 100,000 but nothing else happened. Why does the transaction ...
2
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2answers
649 views

What happens to the etherbase while migrating a mining rig?

I've successfully set up a 4 GPU rig and have been mining for about a month now. I see that my rig has an ether base, and i essentially mine ether to that base. The base has an address something akin ...
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3answers
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How smart contract transactions work?

I read that smart contracts don’t have a private key, so they can’t sign a transaction. My question is: when a smart contract starts a transaction to an EOA, how are we sure that the smart contract ...
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1answer
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Truffle test: How to test Ether transfer? Balance of specific account?

How is it possible to test if my contract actually transfers money to a specific account? function _transfer(address receiver_, uint256 payout) internal{ receiver_.transfer(payout); } Testing in ...
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2answers
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Why public keys are not used directly as account addresses? [duplicate]

I understand that addresses are hashes of the public keys. But why? What is the rationale behind this design decision? And why 160 bits? Why not just use the hash directly? Is 160-bit guaranteed ...
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1answer
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Can I use my Ethereum accounts on different computers?

I'm used to synchronize my data on different machines. Depending on the data I use Git, Dropbox or Syncthing. Is this possible with Ethereum accounts, too?
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2answers
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How can i sent ETH from a contract wallet to another account?

Use the mist wallet 0.3.9. The ETH from a pool is sent to a wallet address. How can I send the ETH from wallet to account? When I try to send from the wallet address to an exchange address, I saw ...
2
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1answer
440 views

how to make getAccounts() return a list of all 10 accounts?

I am using Truffle Development (or Ganache at times) and the problem is web3.eth.accounts is only one account and not the list of all 10 accounts I want to get hold of at least first two so that I ...
2
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1answer
444 views

How to recover ether from Parity wallet with private key?

Given the multi-sig wallet vulnerability with Parity, I am curious why Parity wallet users are unable to access their ether using the private key provided by Parity? Perhaps my understanding of the ...
2
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1answer
822 views

How to read the ETH value and other token values from an account?

Let's say I've created an account using this code as explained in docs: web3.eth.accounts.create(); > { address: "0xb8CE9ab6943e0eCED004cDe8e3bBed6568B2Fa01", privateKey: "...
2
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1answer
921 views

“liner: function not supported in this terminal” when doing personal.newAccount()

In the geth console I am trying to add an account : > personal.newAccount() but I am getting the following error : liner: function not supported in this terminal What does this mean and how ...
2
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1answer
948 views

Are there invalid private keys?

Private keys of Ethereum accounts are usually represented as 64-character hex strings. Will any such string work as a private key? Are there limitations on what the key could be? If not, I can just ...
2
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1answer
548 views

Can unlock account, but not send transaction

I've compiled a version of geth where I modified CalcDifficulty() in core/block_validator.go to make mining difficulty constant, see reference. Starting up the private chain, creating accounts and ...
2
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1answer
278 views

What should be the input for getStorageAt function in web3 js?

I am trying to trace history of transactions in ethereum. I am using a function called getStorageAt(). Now what should be the input to this function, a contract address or account address(account no)?
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1answer
246 views

Can I access my account using some http request?

I am accessing my accounts and everything using Ethereum Wallet (Mist) but I was wondering is there any possible way to access my account using some http request?
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3answers
1k views

jsonrpc eth_accounts returns no accounts

I have a running geth node and by using geth account new command I created a new account: $ geth account list Account #0: {47978a69f410d0f...} ... Nevertheless, when using json rpc call to list ...
2
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1answer
30 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 ...
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2answers
181 views

Golang Equivalent to list accounts on node - web3.eth.Accounts()

Does anyone know if its possible to get a list of the accounts on a node using golang, after Dialing to the node, basic PoC would be assuming the accounts are already unlocked via the CLI Basically ...
2
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1answer
186 views

duration limit for unlockAccount()

When I use personal.unlockAccount(), there is an option to pass a parameter for duration. What is the maximum duration to which i can unlock the account? I have searched through its documentation. It ...
2
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1answer
2k views

What is an Ethereum address?

I am being asked to enter my Ethereum address, but I don't know what to put there and I already created an Ethereum account.
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1answer
25 views

Regarding accounts and different coins

I have several questions all revolving around one core concept: how an Ethereum account relates to a given coin (blockchain). For example, if I have an account I made to mine ETH, how does it know ...
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1answer
2k views

Get Private and Public Key from BIP44 Master Private Key

I am confused about getting the private key corresponding to the address for derivation path m/44'/60'/0'/0'/0' Question 1: Is the following code correct in getting the address and private key? Why ...
2
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1answer
931 views

Parity New Account: no seed?

Using Parity 1.7.x, if you type "parity account new" you have to type in a password. But there's no seed being generated. Does that mean this wallet can't be restored without the original key? Or ...
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2answers
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Is it right to say: A contract account may contain more than one contract?

My question is related to my previous question: Solidity: How can a contract B, burn from contract A, generate another contract? As we can in the aforementioned post when we are deploying contract A,...
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2answers
845 views

Is there any way to see all the incoming transactions to a wallet address?

I want to show block confirmations of the user's ether transaction to my account. How do I put watch on the incoming transactions?? I would need the transaction Id to know calculate block ...

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