All Questions
11 questions with no upvoted or accepted answers
6
votes
0
answers
239
views
Kademlia: How does Ethereum uses node discovery protocol to avoid sybil/eclipse attacks?
I want to describe a case that's not clear to me. let's say we have 10 peer validator nodes who reach consensus and agree to store some blocks on their chain. Let's say now that a wallet wants to sync ...
3
votes
0
answers
502
views
Monitoring Eth Transactions and Syncing Native Database transactions with Etherium Blockchain
Currently, I have a node.js application which interacts with geth through web sockets. I have a listener,
web3.eth.subscribe( 'pendingTransactions', function(err, result) {
if(!err) {
...
3
votes
1
answer
295
views
How many non-empty accounts are there?
I am researching into the statistics of Ethereum and I an looking for a datum of how many non-zero balance account currently exist in Ethereum?
I know that in total 30M of accounts were created but ...
- 4,116
2
votes
0
answers
18
views
I am sending some ether from account[0] to account[1] using geth console. But the amount is not getting added to the receiving account
I tried to mine the transaction using miner.start() command, still account balance remains the same
> miner.start(8)
I0428 16:27:15.927553 miner/miner.go:136] Starting mining operation (CPU=8 TOT=...
- 21
1
vote
0
answers
146
views
How to get history transactions towards a batch of given smart contracts in ethereum mainnet and replay these transaction again in private chains?
I have a batch of ethereum mainnet smart contracts (about 4,000). Now I want to do some researches:
Get all history transactions that are sent to these contracts in ethereum mainnet;
Replay these ...
- 71
1
vote
0
answers
174
views
Interact with a contract using Web3 Wallet
I am trying to interact with a contract without a provider as Metamask/Mist. I know that web3 has an option to create a new Wallet and I have been seeing code examples about that but all of them ...
- 511
1
vote
0
answers
569
views
How can I parse local Ethereum blockchain?
I need to parse live Ethereum blockchain to retrieve all transactions that belongs to particular smart contract's address.
So my general question is how can I do it properly?
My thought about it so ...
- 325
0
votes
0
answers
77
views
In Ethereum, is it possible for a malicious client to duplicate a coin by double executing a transaction?
Is it possible a scenario in which a malicious client executes two transactions with the same nonce of a specific account and copies and sends coins?
Suppose users A, B, and C have the following ...
- 3
0
votes
1
answer
292
views
Transaction successful but ether not transferred to destination account
I am following this article and everything works expected but ether is not getting transferred to the to account.Please find the logs below.
eth.sendTransaction({from:eth.accounts[0], to:eth.accounts[...
- 415
0
votes
0
answers
352
views
how to automatically transfer funds in geth
I am trying to find a way how to automatically transfer funds from one address to another after new block is sealed.
Scenario would look like this:
1. New block sealed
2. Check source account ...
- 167
0
votes
0
answers
387
views
Why the maximum number of transactions in a block is 221?
I made a private network with only one node in it, then I sent 2000 transactions like so:
var amount = 1;
var sender = personal.listAccounts[0]
var receiver = personal.listAccounts[0]
for (i = 0; i ...
- 1,003