Questions tagged [network]

a network allows computers to communicate and exchange data

38 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
9
votes
0answers
426 views

Peermanager is unable to connect to nodes

I'm following this guide and am trying to create a private network with its own block chain and peers. I managed to install docker following this guide (I'm using a debian 8 jessie virtual machine) ...
5
votes
0answers
874 views

What is the computing power of the Ethereum network in FLOPS?

The aproximate computing power of current Bitcoin network in terms of FLOPS (FP32) has been estimated at about ~80,000 exaFLOPS and being aware of the limits of the analogy because of the widespread ...
5
votes
1answer
522 views

Redundant PoS node setup

This is a question regarding to computer networks and high availability with remote nodes but it relates directly to Proof-of-stake so I think this would be the place to ask instead of superuser, ...
4
votes
0answers
519 views

Unstable connection between peers on a private network

I created a private net, I've been trying to connect two Ethereum nodes because I need one of them to mine the transaction made by the other. The two nodes are on different machines and networks. I ...
3
votes
0answers
133 views

Firewall blocks interactions with geth peers and it is not clear how to fix it

Input: geth on port 30303 port 30303 forwarding is enabled on router uPnP is disabled on router UFW firewall is enabled with the following rules: $ sudo ufw status verbose ...
3
votes
0answers
49 views

What is the scalability limit for POA Ethereum (number of nodes)?

Tried to find any benchmarks what is the maximum number of nodes for Ethereum PoA network. When does a network latency become crucial? Looking for any sources / empirical benchmarks.
3
votes
0answers
171 views

Is it necessary to have the UDP port open for an Ethereum private net?

An Ethereum node requires both TCP (listener) and UDP (discovery) port (usually 30303) open and reachable by other nodes. My question: is it possible to run a private network with my node only ...
3
votes
0answers
115 views

Proof of Authority Finalisation

Are there uncles/orphaned blocks in a PoA-based network? How do we reach consensus which is the real chain if the chain is splited/ we have a fork? Do you know any possible attack vectors on such ...
3
votes
2answers
120 views

Private network with limit supply

I'm just wondering if is possible to create a private network (Not development) with this characteristics: Max supply One account has all the supply already Nodes/peers can't mine Gas cost is always ...
3
votes
0answers
195 views

Simple hello packet

I am trying to generate a simple hello packet for handshaking with a remote Ethereum client using the encode method from the rlp library. from rlp import encode hello = bytearray(encode([0x00, 4, "...
3
votes
0answers
243 views

Ethereum Wallet testnet not synching when mining

I am trying to mine on the testnet. Unfortunately, my Ethereum Wallet (latest version using Geth 1.5.3) kind of gives up doing anything when I click on start Mining on testnet. The time counts up is ...
2
votes
2answers
156 views

How to listen to inter-node communications regarding transactions

If I run a full node (say geth) in the Ethereum network, then the way things work out is that every node releases/ announces new transactions as they receive new ones. I'm assuming that my node must ...
2
votes
0answers
219 views

What are some guideline specifications for running a full Ethereum node using Geth 1.8?

I'm keen to run a full Ethereum node to support the network. What are the guideline hardware requirements for this?
1
vote
1answer
22 views

Is there a need of network additional security measure

I didn't find information about the risk and threat of being connected to the Ethereum network / internet. I was wondering if we would need additional measures such as a firewall, proxy to protect ...
1
vote
0answers
29 views

Rough estimates of transaction propagation latency?

Does anyone know any rough numbers for transaction propagation currently for the Ethereum network? I.e. how long does a submitted transaction take to reach 50%/95%/etc of nodes? Thanks!
1
vote
0answers
62 views

How large network traffic is expected for Ethereum 2.0 Staking node?

Would be interested what can be rough estimated network costs of running full staking client. For staking it's currently required to run: Eth1 node (Not counting initial sync which require initial ...
1
vote
0answers
23 views

Ethereum peer to peer load balancer

Is there any existing TCP load balancer product that is enode aware?
1
vote
0answers
28 views

Strange points of Casper algorithm

Currently, Ethereum developers are developing Casper Algorithm for Ethereum 2.0. According to their proposal, some validator are chosen randomly but validators has permanently authority to verify ...
1
vote
0answers
84 views

Possibility of detecting MAC address spoofing in Ethereum network?

The paper that has been published here: https://dl.acm.org/citation.cfm?id=3282283 proposes a consensus algorithm based on distributed voting process as an alternative to proof-of-work based ...
1
vote
0answers
59 views

Full archiving nodes

Does anyone know how many full archiving nodes are there in Ethereum network. I know this site https://www.ethernodes.org, but there is no way to discover which node is full node and wich one is full ...
1
vote
1answer
499 views

Set up Custom nodes in Quorum

I have gone through the https://github.com/jpmorganchase/quorum-examples and it works good and fine. Now I want to make my own custom node Quorum Network what is the best method, tool or any guide ...
1
vote
0answers
85 views

Private Blockchain Reserved Nodes Disconnecting

Using Parity I have a private blockchain with 5 reserved nodes specified with --reserved-nodes /path/to/file. After a few days of conectivity, the reserved nodes stop talking to each other. It is ...
1
vote
0answers
87 views

Geth networking error

I ran Geth today for the first time. While it was running, I researched how to use fast mode. It turned out that I would have to restart it. So I closed the terminal and restarted Geth in a new ...
1
vote
0answers
124 views

How to test forked block on local machine?

Read this article How can I reliably induce a blockchain fork for testing purposes?. Example from that thread is outdated, and need to be refreshed. First my step is create initial chaindata from ...
1
vote
0answers
457 views

Etheruem Wallet: Can't Switch Back To Main Network

When I open my Ethereum Wallet, I'm automatically assigned to Test-Net. I can switch to a private network I created. Then I have the option to go back to the Main network, from the menu options, but ...
0
votes
0answers
16 views

Experimental data on transaction propagation time

Does anyone have empirical data on how long does it take to propogate a transaction thought out most of blockchain? I know we can speculate on how long it would take (like here). But I am interested ...
0
votes
1answer
24 views

How to get events from a contract deployed on different network? - Web3

I have contract A in Avalanche FUJI C-chain. When I'm on C-chain testnet, I can get events from A using getPastEvents() in web3.js, but when I change the testnet (for example, to Goerli), I receive an ...
0
votes
0answers
13 views

Can I use a subnet mask with ws.origins?

I am trying to run my own geth node, as I am interested in monitoring the txpool's pending and queued transactions. I plan to mostly use a websocket connection from the same server, but it's possible ...
0
votes
0answers
24 views

Throughput and Latency of Private Ethereum Network

How do I calculate Throughput and Latency of a private Ethereum network that I have set up locally on my computer? I tried the solution given in Measuring transaction latency and throughput in a multi ...
0
votes
1answer
15 views

RPC connection fails

I launched my geth with those parameters : sudo geth --syncmode "light" --cache=2048 --datadir /mnt/ssd/ethereum --pprof.addr 0.0.0.0 --pprof It's running on a ubuntu server 20 on a ...
0
votes
0answers
11 views

Distribution of mined Blocks, its verification and the Longest Chain Rule

Hi all I am in need of a clear understanding of the distribution of mined blocks, the verification mechanism and the longest chain rule. How is a freshly new mined Block being distributed to the ...
0
votes
0answers
129 views

Why does ip address value differ in the enode url from the info output of a geth node instance to running admin.nodeInfo.enode in the js console?

I'm in the process of creating a private Ethereum network. I am able to successfully connect nodes on my local machine but unable to connect nodes in my LAN or outside my network. When I run a geth ...
0
votes
2answers
56 views

Quorum permissioned network

How can I permission a quorum network? Imagine I have 3 nodes in my network and I install another node in my friends house. How can I prevent my friend add more nodes to my quorum network? thanks
0
votes
0answers
33 views

How to copy the data from a running private network to another

I have two seperately running private ethereum networks,i want to copy the data from the first private network to the second one without stopping.I have tried multiple ways but was not successful.I ...
0
votes
1answer
255 views

A problem in building a private network using Ethereum

There is a problem in in building a private network using Ethereum. Geth version : 1.8.3 stable OS & Version : windows 10 My scenario is as follows: The genesis block is as follows { "...
0
votes
0answers
51 views

When to use the slow Ethereum network?

The Ethereum network works very slowly. I often am connected to 0 peers. So what are (GMT) hours when it works the best, for accomplishing a transaction? Also, which week days it work the best? ...
0
votes
0answers
898 views

Ropsten Network down?

According to Etherscan the last mined block was block 2933931. However, my node is stuck at block 2933993. On their website they are announcing the following: "Node Resynch in progress. Indexing ...
0
votes
0answers
38 views

Does cellphone 4G tethering wifi cause the Ledger 'transaction rejected by server' error?

I have just tried once again to make an ETH transaction using the default suggestion of 45 Gwei, which seems much too high. Yet it was rejected by the server, and the Ledger support has only emailed ...