All Questions
1,220 questions
0
votes
1
answer
37
views
What will ethereum price be in 2k25? [closed]
What will Ethereum be worth in 2k25?
0
votes
0
answers
26
views
How to run a private PoS blockchain?
I was trying to set my own private PoS chain based on geth. The tutorials that I have found (e.g. https://geth.ethereum.org/docs/fundamentals/private-network) describe only PoA and PoW. As far as I ...
1
vote
0
answers
37
views
How to connect private PoS networks on different servers?
I created my own private PoS Ethereum testnet using a custom genesis file. I can connect to the first node using RPC and see block generation, and I can make transactions. Now, I want to run a second ...
- 11
0
votes
0
answers
19
views
How can we store a node's validator key for block validation in an HSM
When we build a Polygon Edge blockchain and create a node, we want to store the validator node key in an HSM or another secure location.
Could you provide any reference on how this can be done?
Is it ...
- 102
0
votes
0
answers
18
views
Private Node Network-GoEth
i am trying to install private network of three nodes on my single laptop.
i did following:
install go-eth.
used a medium article and followed instructions
when i try to connect nodes with each other,...
0
votes
0
answers
56
views
Private Networks via Kurtosis data leak
I deployed a new blockchain on a VM as in example from: https://geth.ethereum.org/docs/fundamentals/kurtosis#prerequisites
It works as I would but there are still some issues. I'm not a great sysadmin ...
0
votes
0
answers
16
views
How to add new consensus protocol for the Ethereum Quorum?
I am interested in adding a custom consensus protocol to Ethereum Quorum.
I would like to know if it's feasible to integrate my own custom consensus protocol into Quorum.
If adding a custom consensus ...
- 1
0
votes
0
answers
100
views
Eth private blochhain dont sync
I initiated a single node for dev testing but it wont work
I used geth 1.14
Genesis file :
{
"config": {
"chainId": 1441,
"homesteadBlock": 0,
"...
0
votes
0
answers
28
views
Recovering crypto from ethereum RPC
I have found some of very old RPC credentials on ethereum. I tried to run it or try to recover the balance from it. But the hostname it had is down. If I get other RPC hostnames and same credentials ...
0
votes
0
answers
64
views
Needs help running a Hardhat-based smart contract and it's test script on Hyperledger Besu
First, I am using the binary distribution of Hyperledger Besu on Ubuntu 22.04 LTS.
Second, I do not want to use the quorum quickstart for Besu. The reason being, I need a minimum of 20 accounts with ...
0
votes
0
answers
8
views
How to i go about pitching a share ware concept to explore talent and investments?
I have years of work laying out an Epic concept now primed for crypto gaming. Originally written to be a illustrated novel, I would like to use the concept to learning all I can about blockchain ...
0
votes
2
answers
223
views
How to mine on a POS private network
For testing purposes, I source-installed go-ethereum and built a private network.
After setting up the genesis.json file, I successfully created a private network, but I don't know how to mine the ...
- 1
0
votes
0
answers
22
views
Hyperledger Caliper - Can we build a work load module that can invoke and query from already deployed contract in the blockchain?
I am trying to benchmark a smart contract that interacts with an already deployed contract on the blockchain using Hyperledger Caliper. The overall framework is functioning correctly for other ...
- 21
-1
votes
1
answer
32
views
I updated Solidity to version to 0.6.12. Now the code is broken, how to fix?
How can I fix my code, the chainid is 9999.I tried changing chainId := chainid to chainId := chainid() but it doesn't work. Here is the whole code:
pragma solidity 0.6.12;
import './interfaces/...
0
votes
2
answers
66
views
Whitelist Addresses in Solidity Contract
I'm trying to whitelist a single *address to be able to interact with this smart contract:
pragma solidity >=0.4.22 <0.7.0;
contract VisitorTracking{
struct Location{
string ...
1
vote
1
answer
72
views
How to setup a private GoEthereum network
I'm studying Ethreum by creating by own private ethereum network. I have three basic question. I will give as much information as I can to help to get great responses.
My network setup is very simple:
...
- 11
0
votes
0
answers
28
views
Ethereum Private Network Upgrade Help
I want to mimic the Dencun upgrade on my private network which is currently running the Shanghai version. I want to understand how to upgrade the ethereum network without stopping it / restarting it / ...
0
votes
0
answers
42
views
Geth Private Network - Account management
I'm building a private blockchain using Geth. I created 2 accounts with command geth --datadir miner-node account new and geth --datadir rpc-node account new, then I added their address to genesis....
0
votes
0
answers
8
views
CBDC Community , Corda r3
i am trying to build a cbdc prototype using corda r3 , is there anyone with knowledge about this project that can help or any recommandations or communities to try to reach to ? maybe corda r3 ...
- 1
0
votes
1
answer
113
views
Geth version 1.14.4-stable Error: authentication needed: password or unlock. Transfer issue?
I want to make a transfer between two wallets; one is the address I set up on my private blockchain, and the other is my Metamask address. However, I keep encountering the same error. I have attached ...
- 5
0
votes
0
answers
30
views
Geth private network security
I'm implementing a private network with Geth, which is expected to go into production for a client.
What are the most important points to focus on regarding the security of my blockchain?
I was ...
0
votes
0
answers
19
views
Possible to use CallContract during validation (on block not yet included in blockchain)?
I'm building a consensus engine. Already built a prototype of it, and now interested in improving it (mostly simplifying the implementation so it fits better with existing Ethereum codebase with least ...
- 211
0
votes
0
answers
123
views
Is it possible to establish a local network between specific Ethereum accounts within the same operational system using Geth?
I tried to launch a local network using Geth. I mean a network of just one running system that hosts some Ethereum accounts. I did that by the below config file and the below command to run Geth node. ...
- 567
0
votes
0
answers
30
views
Server returned HTTP status 404 Not Found
I am running a local ethereum PoA(clique) network in my windows computer using geth with 2 nodes. I am very new to this.
I am trying to get the performance data of the chain using prometheus.
I used ...
0
votes
0
answers
44
views
Lodestar Becon Layer Error
I am trying to set up a beacon client for my private network, I got this error, Error: First offset must equal to fixedEnd 2736633 != 2736653.
What does this mean?
The config.yaml file for the beacon ...
0
votes
0
answers
78
views
Hyperledger-caliper Ethereum Benchmarking (Error: nonce undefined)
I am using hyperledger-caliper to benchmark the Ethereum local network (Ganache). The contract is a simple storage contract, nothing fancy. I can deploy the contract using the code provided below. But ...
- 21
2
votes
0
answers
264
views
Is there a way to set up a PoS private blockchain
I am tryiong to set a PoS eth v2 private blockchain using geth and prysm
I ve been trying lots of different things but do not mange to extend the working example I found : https://github.com/...
- 31
0
votes
0
answers
152
views
"Waiting for deposit to be observed by beacon node pubKey=0x8b189a7f4669 status=UNKNOWN_STATUS" in Prysm Private Net
I followed "https://www.reddit.com/r/ethstaker/comments/jrkbe2/my_checklist_to_create_and_verify_accounts_and/" to run the validator in my private devnet using staking-deposit-cli and ethdo. ...
- 1
0
votes
0
answers
20
views
Account Balances Not Updating When Interacting with Smart Contract on Private OpenEthereum Network
Context:
I have set up a private Ethereum network using OpenEthereum, configured with four nodes: a validator node, two non-validator nodes, and an RPC node. This setup is part of a project for a ...
- 1
1
vote
0
answers
17
views
How to measure the block production rate of the private chain
I recently built an Ethereum private chain(clique) with two nodes. The genesis file is as follows:
{
"config": {
"chainId": 53783,
"homesteadBlock": 0,
&...
- 11
0
votes
0
answers
58
views
WARN [01-03|14:06:54.902] Block sealing failed err="unauthorized signer"
{
"config": {
"chainId": 12345,
"homesteadBlock": 0,
"eip150Block": 0,
"eip155Block": 0,
"eip158Block": 0,
"...
- 1
0
votes
0
answers
8
views
How to join a channel in Hyperledger from another server?
I've deployed a chaincode on my VM i.e 192.168.4.110. Everything is working fine when I test it locally.
Now I want my second VM i.e 192.168.4.112 to connect with the above Hyperledger's vm Channel.
...
0
votes
0
answers
54
views
Geth private POA network behaving strangely
The Setup
I have setup a private POA network using geth (v1.10.14).
My network configurations are as following;
BlockTime: 1sec
Consensus: Clique
Number of Signers: 3
Number of Miners: 3
I have ...
- 141
0
votes
1
answer
49
views
Not able to use Private blockchain network in Safe-Infrastructure
i have my own private blockchain deployed via quorum and configured safe-infrastructure also on my local. the issue is whenever i am using Linea Georli testnet network i am able to create safe wallets ...
0
votes
1
answer
308
views
Geth transactions not broadcast and stuck in pending state
Setup three Geth private network nodes(Clique) via docker container. They are deployed on three different VMs. Among 3 nodes, there is a miner node to mine the block, a RPC node to accept RPC request, ...
1
vote
0
answers
51
views
How to check if a certain hard fork is enabled in your network?
We are running a private PoW (Proof of Work) network on geth
I would like to know, how can i determine if a certain hard fork is enabled on my network ?
For instance, how will i check if the London ...
- 300
0
votes
1
answer
67
views
can eth_call() make this?
I have a contract and inside the contract there is a non-payable function that can call externally. this function do some analysis,and calls other payable function than can make real transaction using ...
- 69
1
vote
0
answers
541
views
How to run a PoS private network with geth & lighthouse?
So far for testing contracts, transactions and other dApp experiments
I had worked with pre-established testnets (Rinkeby, Goerli etc)
now i am tasked with deploying a private PoS network based on ...
- 300
0
votes
1
answer
57
views
depolying system contracts for new evm blockchain
i was trying to fork a dpos evm blockchain , how to deploy system contracts for dpos and slash and get the "code" data in genesis file as below ?
"alloc": {
"...
1
vote
0
answers
25
views
Good extensions for both Foundry & Hardhat
Hello i'am looking for good vscode extension for both foundry & hardhat. Thank you for your feedback !
- 73
0
votes
1
answer
361
views
How to change the gas price and gas limit in private blockchain
I wan to change the gas price and gas limit in the private blockchain as you know the currrent contract limit is 21000 so I want to change the default and also the gas limit I wan to cut more than 1 ...
1
vote
1
answer
216
views
Why Golang was chosen to implement ethereum protocol?
I know there are many implementations of the Ethereum protocol, i.e. the first implementation in Python, or other implementations using C++, C#, and Java. As go-ethereum has gained lots of attention ...
- 494
1
vote
0
answers
29
views
Node Permissioning over Governance Smart Contract has problems in OpenEthereum Chain
I work at a supply chain solution that uses a Private, Permissioned, Open Ethereum Chain. Everything is configured over Smart Contracts (Permissioning / Validators / Allowed Nodes). These have an ...
- 153
1
vote
0
answers
308
views
GETH - BAD BLOCK : Error: invalid merkle root - Transactions and block stuck in pendings
I'm having problems with geth when I try to send transactions on my private blockchain being developed using Geth.
Practically a block is blocked in pending with around twenty transactions inside it ...
- 61
2
votes
1
answer
145
views
RPC endpoint for production environments
Context
For testing environments, I'm spinning up AWS instances with App-chain client nodes and using the AWS ALB to access the exposed RPC endpoint. It is protected by the security group rules, so ...
- 58
0
votes
1
answer
94
views
How to give a name to my forked Ethereum blockchain
I created my own private blockchain with Go Ethereum, now I want to put my own name for the symbol and network name. To do this, I checked the BSC code, it is a fork of Ethereum, and the BNB name in ...
- 588
1
vote
0
answers
156
views
Foundry : cast storage command storage slot argument posing length issue
When I try to get the private variable stored at storage slot 0 of the contract storage using the cast storage command,
cast storage <my-contract-address> 0 --rpc-url <my-rpc-url>
I get ...
- 11
1
vote
0
answers
8
views
Data is not updating in the chaincode
This is my HTML form
<div class="text-center form-container">
<form id="updateForm" action="" name="updateOwner" style="display: none;&...
0
votes
1
answer
58
views
A node just to act as sync point / checkpoint server
I've created a small private blockchain with 3 full nodes 100% synced (1 Exec, 1 Consensus and 1 Validator each). All are working fast and smooth like a charm.
Now I need to keep another nodes just to ...
- 370
1
vote
0
answers
54
views
failed to deploy smart contract on my private network
I created a private network of POA, and I use clef to seal blocks like this:
I have successfully run this chain becaues it can produce blocks and I can create transactions between 2 accounts, and ...
- 11