Questions tagged [network]

a network allows computers to communicate and exchange data

31 questions with no upvoted or accepted answers
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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
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1answer
507 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
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0answers
478 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
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0answers
44 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.
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0answers
134 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
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0answers
113 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
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2answers
86 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
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0answers
190 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
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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
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2answers
79 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
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0answers
208 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?
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0answers
16 views

Ethereum peer to peer load balancer

Is there any existing TCP load balancer product that is enode aware?
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0answers
22 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 ...
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0answers
49 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
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0answers
53 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
488 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
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0answers
84 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
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0answers
85 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
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0answers
118 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
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0answers
451 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
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0answers
36 views

Dropped transaction can be automatically broadcasted on network by specified condition?

I have a transaction with nonce #30, because of low gas price this tx is dropped while I checked on Etherscan (case #1 dropped transaction not dropped and replaced #2 ref). Before this transaction is ...
0
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0answers
13 views

Ethreum representation in OSI Layer

I need urgent support with Ethereum Networking. A potential enterprise client is asking about the networking of Ethereum Node Peering. We have given them a lot of information about RLPx protocol and ...
0
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0answers
9 views

How can two light nodes on a chain communicate individually?

Let's say I have two light nodes on a chain and I want them to exchange data ~3KB without appending anything to the chain. They are not on local network. How can I achieve it?
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10 views

Ethereum BIP32 mainenet/private network 4 bytes for extended public/private keys

Based on the bip32 documentation, to generate a new 78 bytes extended public and private keys you need to to append at the beginning the network version/code. I found a few resources: iancoleman/...
0
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0answers
20 views

PORT ERROR!! Set up a Private Ethereum instance with Geth on MacOS

Hello I am trying to set up a private ethereum instance with geth on MacOS I have a startnode.sh file using ATOM But every time I try to start the node with "./startnode.sh", the http access account ...
0
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2answers
30 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
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0answers
32 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
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1answer
201 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
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0answers
48 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
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0answers
831 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 ...
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33 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 ...