Questions tagged [besu]
Besu Ethereum Client is an Apache 2.0 licensed, MainNet compatible, Ethereum client written in Java with focus on Enterprise Ethereum adoption. Formerly known as Pantheon.
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How to setup the private blockchain network using Besu?
Last week, my teacher gave me a Blockchain assignment about "Deploy the private blockchain network using Besu with at least 2 Full nodes and 1 Light node". Incidentally, I found this link ...
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Deploy contract on Hyperledger Besu zero fees network
I have a Hyperledger Besu blockchain working on my VM with 4 nodes, built with Qorum Quickstart, using NPX. This blockchain is configured for 0 fees. (doc)
I can develop, build, deploy, use my ...
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Null keys when using `debug_storageRangeAt`
I'm currently trying to use the debug_storageRangeAt on a Hyperledger Besu RPC to extract the contract storage. For some contracts I get the expected response which is a list of keys and values:
"...
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Blockscout Explorer : Issue with Smart contract Verification Service
We have successfully set up a Blockscout explorer using the docker-compose containers from the repository (https://github.com/blockscout/blockscout/tree/master/docker-compose). The explorer is ...
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Execution failed for task ':ethereum:permissioning:test' while building Gradle for Hyperledger Besu
I am trying to create a Gradle Source Build for Hyperledger besu on my Ubuntu 22.04 but the build fails when trying to create transaction emulator objects through the ...
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How to connect metamask in another computerA(windows) to a private hyperledger besu in another computerB(ubuntu)
I have here a private hyperledger besu network running on my computerB(ubuntu). I wanna know how can I connect the metamask wallet on my computerA(windows) to the network in my computerB. I tried ...
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Sirato Explorer
I am able to setup a private ethereum network using hyperledger besu in my localhost:8545. I want to view the blocks that has been added to the blockchain, any guides on how can I do this?
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tracking Token holder throughout a value chain of product
my project is Value chain of product , so i need to track every single process in the chain of that product , from Farmer => Transportation => Manufacturer => Distribution => Retailer
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Is it possible to make my own chainlink?
I'm currently building smart contracts for the supply chain of "datte". Is it possible to price my own token from an external entity "like a chainlink", so that my tokens now have ...
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How to safely delete old Besu data to free space?
The ubutun server ran out of space and need to delete obsolete data under /database to free room. Here is a list of the output of ls command in /database subdirectory:
total 16965588
-rw-r--r-- 1 root ...
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High block mining time even with low difficulty
We have a private network running on Hyperledger Besu. We are using ethash, and it had a fixed difficulty of 3625. That was producing blocks fairly quickly, averaging about 8-10 seconds, with some as ...
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Oscillating blocktime issue
I have three private blockchain networks:
production
development
QA
production and QA both have blockTime of 10 seconds and are behaving as expected.
When I read their block timestamps, there is ...
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Does Hyperledger Besu limit the amount of data in a transaction?
I need to send transactions to a private PoA Ethereum Blockchain. I know by geth source code it is limited to 128 KB: txMaxSize = 4 * txSlotSize // 128KB -> tx_pool.go file: https://github.com/...
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How to listen only to fresh events on private besu blockchain?
Is it possible to listen only to new events by Besu plugin, and bypass events, that are coming when synchronizing a node to a blockchain? I use Log listener to listen to incoming events.
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Architectural issues of using smart contracts [closed]
As part of my master's thesis MVP, I am developing a project on the implementation of an accounting system for electronic document management using smart contracts.
Now there is a question of ...
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Hyperledger besu onchain permissioning error
i'm following a tutorial on how to create an onchain permissioning network with hyperledger besu : https://besu.hyperledger.org/en/stable/Tutorials/Permissioning/Getting-Started-Onchain-Permissioning/
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how to setup hyperledger besu permissioned ethereum blockchain using docker?
Hello blockchain enthusiats, this my very first question on a forum, i'm trying to create a permissioned ethereum blockchain using hyperledger besu, i tried to use docker for that but because i'm not ...
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Using Hyperledger QBFT suitable for public chains?
I am thing process of creating my own public EVM network, i found the best approach available would be using QBFT on HyperLedger Besu as it is Proof Of Authority and secure for production uses. But ...
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How to increase OPCODE gas Price in Hyperledger Besu
I want to setup Private POA blockchain using hyperledger besu. I dont want people to deploy smart contract on the chain. I searched on google and found it some alternative solution to increase create ...
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Deploy SmartContract to local Hyperledger-Besu network using Brownie
EDIT: In short, I want to use Brownie to deploy smartContracts to HyperLedger-Besu network on my local machine. For some reason, it doesn't work, so I wanted to ask if anyone here had experience with ...
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Block capacity - Hyperledger Besu
Good afternoon,
I am trying to perform a transaction capacity test on my network with Hyperledger Besu with 4 validator nodes and a time per block of 4seconds.
I have created a script with NodeJS that ...
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State root mismatch error at mining genesis block
I am working on a private Besu implementation. I made some modifications to the open source package, and when I went to start a new chain instance it gives a state root mismatch error for the genesis ...
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Stable release of Hyperledger Besu won't compile
I cloned a fresh copy of Hyperledger Besu from the GitHub repo and when I opened it in Eclipse, it said that there are 148 errors and that the project won't compile.
It also said that there are 108 ...
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How can we filter the incoming transactions to a node to disable smart contract deployments? [duplicate]
How can we identify an incoming transaction that has to address as 0x0 so as to stop it from being mined and broadcasted in Hyperledger Besu? Can anyone tell a way to do it like any configurations to ...
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Cors Issue with Hyper Ledger Private Block chain network on Aws
I am new to hyper ledger and trying to set up a private block chain network with clique as consensus protocol. I am deploying it on a AWS Ec2 Instance.
Followed these steps and initiated a boot node ...
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Hyperledger Besu for creating accounts
I am able to setup hyperledger besu for creating private ethereum network(followed the official documents with 3 testing accounts in gnesis file) and able to connect to metamask as well. But its not ...
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Error: Returned error: The method eth_sendTransaction is not supported. Use eth_sendRawTransaction to send a signed transaction to Besu
I'm using a private network for deploying smart contracts and i want to interact with the deployed contracts that i have.
Soo im trying with this smart contract
// SPDX-License-Identifier: MIT
...
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Mining causes nodes to stop syncing on Besu
I am trying to test my private network by running multiple nodes at one time. I am using a config file that lists the boot node as well as the same genesis file. The boot node is on a linux server, ...
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Read smart contract data from blockchain itself
I'm trying to figure out if it's possible to read smart contract data from the blockchain itself. I know in ordinary circumstances, smart contracts sit on top of the chain in the ledger. I'd like to ...
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Is there a way to burn tokens only on transfer (on every transfer)
If a transfer happens from one account to another thru metamask,how do we burn coins per transfer ? can this be done thru a contract? (using besu).
Is this change in java code or can be down thru a ...
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Highest known block in the peer network - permissioned ethereum network
We are starting to define the best metrics to monitor a permissioned Besu network.
One important point to monitor is the block height of a node and from other nodes in order to discover if the node is ...
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web3.eth.contracts.myMethod().call() returns nothing
I'm still new to ethereum development, and when trying to execute call() on a created contract, I'm receiving varying results. Sometimes the call works, and other times it returns the error Returned ...
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Peers counts by bootnode and non-boot node are different
I just setup a 4 nodes Besu network 21.1.5 on a single Ubuntu 20.04 server. The peer count on boot node is 4. However it is 3 peers on all other non-boot node. Is it right that the peer counts from ...
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Is there any way to configure hyperledger besu to mine blocks only when there are transactions?
I have been following this tutorial:
https://besu.hyperledger.org/en/stable/Tutorials/Private-Network/Create-IBFT-Network/
Everything works fine, however I can see that every 2 seconds new block is ...
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How to disable deployment of smart contracts on besu private network?
Is there any way to disable creation of smart contracts on Hyperledger Besu Private Network for addresses except those that I specify? I want to create private network with zero gas fee, but no one ...
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Error: Wallet has error: Error: could not detect network (event="noNetwork", code=NETWORK_ERROR, version=providers/5.0.17)
After enabling JWT token authentication on besu network, a connectionInfo with JWT token in headers is used to make connection to the network, instead of url.
import { ContractFactory, ethers } from &...
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How to add JWT token in JsonRpcProvider url header when connecting to JWT enabled network?
When connecting to Besu network which enables JWT public key authentication, how to add the token to the JsonRpcProvider (ethers 5.0.8)? Here is the current code (before adding JWT token):
let ...
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How to specify Solidity version in web3j?
I have a simple java maven project whose pom.xml looks like:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
...
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Make Hyperledger Besu sync faster during DOS blocks
I am attempting to sync a full node using Hyperledger Besu and it has slowed down considerably when hitting about block 2,300,000.
Geth and Parity can be made faster as this link details to sync these ...
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Transaction status true when sent to an address which doesn't have anything
When you create a transaction calling a function in a smart contract the transaction status is true if it's executed correctly and false if it isn't
When testing in Hyperledger Besu, if a transaction ...
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Hyperledger Besu: Unable to decode the hex string returned by solidity function containing multiple values
I have set up a Hyperledger Besu network for private transactions using Orion.
I am using a javascript client to write to and read data from a smart contract
written in Solidity. I am following the ...
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Load testing Besu + IBFT2?
The context:
I have a simple app that that consults historic of events frequently. It works fine on my development machine, with just a few thousands blocks. I am not sure if it will continue to work ...
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How to send a transaction to Besu configured as a Free Gas Network
I have downloaded and configured Besu as a Free Gas Network (https://besu.hyperledger.org/en/stable/HowTo/Configure/FreeGas/ ).
Creating transaction using Truffle works fine, but not in my application ...
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I could not use web3.js module and perform getAccounts etc. for Consortium networks. Hyperledger Besu
const Web3 = require('web3')
//var web3 = new Web3('http://127.0.0.1:8585');
var web3 = new Web3(new Web3.providers.HttpProvider('http://localhost:8545'));
// https://rinkeby.infura.io/v3/...
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What does an Ethereum Client do?
I've developed Smart Contracts using Solidity, and then created a front end for them using Web3js. I used Truffle to to get them to communicate. That's how I tried out a couple of Proof of Concepts. I ...
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Failed to extract secret from Hashicorp vault production mode - EthSigner - Hashicorp Vault
Working in hashicorp vault dev mode everything works fine but when I use a hashicor vault in production mode I am not able to connect ethsigner. However, i have been checkin if I can extract the ...
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Why is Ethereum licensed under the LGPLv3 license?
Simple question, which I cannot answer myself.
Why Ethereum have an LGPLv3 license?
Bitcoin has MIT license.
Thank you.
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Unable to deploy contract on Besu network(docker) using dynamic IP
I am stuck with a weird situation. I create a local Ethereum network with Hyperledger Besu in docker environment. I try to deploy contracts to a rpc node using Truffle(different container in same ...
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Mining stops after some time in my Hyperledger-besu Private blockchain
I have been using Hyperledger-Besu's quickstart guide to build my private blockchain (with ibft2 as consensus algorithm) on an AWS instance, which basically just clones that repo https://github.com/...
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How to Setup a Private Network in Hyperledger Besu?
I am looking for steps to configure hyperledger besu client for a private network of say 5 nodes.
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