Questions tagged [quorum]

Q&A related to Quorum, the permissioned Go implementation of Ethereum supporting data privacy.

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How to use The Graph (GRT) with Quorum to index events and serve them via GraphQL?

I saw a few videos of using a graph node to index blockchain events, and serve them via graphql, which seemed very useful. The common pattern in these videos that I observed: They are using Infura/...
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Can HardHat fork any EVM compatible mainnet?

At work, we use Consensys QUORUM, and Truffle. We will possibly be moving to hardhat, and thus I was trying to understand if HardHat can fork Quorum as well as Ethereum. I didn't find any articles on ...
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The Get Functions of ERC1820 (added in genesis file) not working correctly on Quorum

Because I cannot deploy the magic ERC1820 directly to my private Quorum Network, I must add it to the genesis file like this: "0x1820a4b7618bde71dce8cdc73aab6c95905fad24": { "...
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Can not install Tessera

I have tried everything written in the Tessera GitHub, but I couldn't install it in any way. In the repo it says that there must be an bin folder and we should use the tessera inside it. However, ...
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What's the communication complexity of round-change in Quorum's QBFT implementation

As stated in the Istanbul BFT paper, Istanbul BFT "has O(n^2) communication complexity during both normal case operation and round changes". The QBFT spec also states a "message ...
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How to hard fork a Go Quorum network to certain block number?

I have a Go Quorum network and I want to "remove" some transactions, and switch the chain from a given block. I know that it is not a common task, but I want to test the process, similar to ...
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Hide input of an already mined transaction in GoQuorum

Imagine an account has created an already mined transaction in a GoQuorum network, with private data in the transaction input. Is there any option to hide the input data of a given transaction? I know ...
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Incorrect RAFT ID in quorum

Logfiles we get upon start of a quorum pod - P2P_PORT=22011 PUBLIC_KEY_VERSION=abc PRIVATE_KEY_VERSION=abc VERBOSITY=6 [0] Deleting ipc [1] Geth Config Enode:abc [3] Send Join Request to ...
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GoQuorum - /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.29' not found (required by ./geth)

I took the GoQuorum geth binaries of the latest version (22.4.0) from below link https://github.com/ConsenSys/quorum/releases However, where I tried to verify the version from the geth binary, I faced ...
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Do QBFT of quorum mine empty blocks?

We are currently using RAFT as the consensus protocol as it has the highest TPS, fastest block creation, and no empty block creation. However, recently GoQuorum tutorials highlighted not to use RAFT ...
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Quorum with sidechains : Does Quorum work with sidechain blockchains?

I am currently working with quorum blockchain. Due to high number of transactions, there is a need to implement sidechain. Does quorum support sidechains?
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How to fork Etherscan block explorer?

I'm using a blockchain with quorum and I would like to use a block explorer like Etherscan. Is the Etherscan an open-source project? I've seen a lot of explorers that are similar, how can I get one ...
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How to add new peer to private quorum network?

I have created a network using raft consensus using quorum-wizard. I have created another node on a vm using this tutorial. I want to attach the single node to the network. for that I have followed ...
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How to create an infrastructure for node endpoint resolution on a multi-node network

I'm building a multi node private ethereum network with Quorum. I would like to give users of it a single url, like https://eth.domain.com, to connect to. At the moment, eth.domain.com resolves to a ...
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quroum web3 send value to contract with metamask

I am trying to send value to contract but whatever I type in value doesnt effect the metamask prompt still displays 0 eth. code as follows: let contract = new web3.eth.Contract((await getABI()).raw, ...
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web3.eth.getBlock(i) is not working in my code. i am getting error for the 2nd block which is web3.eth.Block(1). Please anyone help

async function AllDocuments() { try { const latest = await web3.eth.getBlockNumber() let txStr = '' console.log("latest") for(let i = 0; i <= latest; i++ ) { ...
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Private transaction from node A to node B is visible by node C

I am testing the GoQuorum private transactions using the simpleStorage smart contract. The blockchain has been created in a Ubuntu Linux 20.04.2 LTS using quorum-wizard custom network-bash options ...
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Can quorum public network use https?

Can quorum public network use https ? I want to hide data from other than consensus participants, and I don't want to use private transactions.
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Order of recreation and proposing of block

With regard to this post, I would like to know what happens if the proposing and recreation of a block happens at the same time. For instance, if we keep the default recommit interval of 3s and set ...
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Setup Quorum Blockchain

I am setting up a quorum blockchain on my computer. According to the official documentation, I have to first clone the git repo and give the following command: git clone https://github.com/Consensys/...
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quorum "gas price not 0" and "intrincis gas too low"

iam running quorum blockchain this my code if I put gasPrice as 0 the error it is showing "intrinsic gas too low" if I put gas Price higher the error it is showing "gas price not ...
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rawTransactionManager.sendRawTransaction throwing Can't get transaction receipt error

Below is my code snippet to send transaction var router= require('express').Router(); var request = require('request'); var config = require('../config/config') const Tx = require('ethereumjs-tx')....
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How can I demonstrate attacks on Quorum-based smart contracts in my local test network?

Currently, I am conducting a research regarding the security and privacy vulnerabilities of Quorum-based smart contracts. However, so far I've been struggling to implement attack vectors in order to ...
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Can Quorum Nodes be accessed via https?

I have a Dapp which has SSL certificate. I am unable to access Quorum Nodes via https and http as the Dapp is https. Can anyone please suggest me a method to solve this issue. (Node access via web3)
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web3.eth.net.isListening() throws Error: Invalid JSON RPC response: "" (web3@1.3.4)

I am using the latest web3 version 1.3.4. When I connect to web3 and print web3 I get the following response. But when I try to execute the command web3.eth.net.isListening().then(console.log). I get ...
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Quorum: How to find the key used in privateFor

I have a 3 nodes quorum network, which I created with the help of quorum maker. I am adding an new account to my first node, so that my first node now has 2 accounts on it. I want to find the public ...
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Using TORUS how i can sign a raw transaction? [closed]

I am using TORUS wallet to make transactions over Quorum network. The requirement is to make a private transaction, for which we need to sign a raw transaction. TORUS does not allow to sign a ...
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rafthttp: failed to find member 1 in cluster 1000 -quorum -raft consensus

Firstly, I have created a node in quorum private blockchain and initiated genesis to create blockchain using geth and bootnode . Then, I run the node and it is running blockchain. Later, I tried to ...
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Quorum private transactions - Inconsistent state

We are using Quorum and sending private transactions Participant A - Sending 3000 Private transactions to ( Participant B and Participant c) However, all 3000 transactions are committed successfully ...
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Cannot acces Quorum IBFT remote node

I managed to setup Quorum IBFT nodes on my MacOS. So far it works - deploying smart contracts, submitting transactions and etc using Metamask using RPC URL localhost:22000- as expected on the local ...
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Quorum nodes run fine with docker-compose, but crash when deployed on kubernetes

Following the steps outlined here, I created a basic Quorum network with 4 nodes and IBFT consensus. I then created a docker image for each of the nodes, copying the contents of each node's directory ...
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Quorum nodes with different permissioned-nodes.json files

Is it possible for different Quorum nodes to have different permissioned-nodes.json files? suppose we have a 3 node network with node1, node2, and node3. Then can node1 include node3 in its ...
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Can a Quorum network be cloned?

I wanted to know if a Private Protected Network be cloned/replicated to have a backup of the network, which would be helpful in times of network failure.
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ERC20 token transfer is not showing in receiver's balance

I have created 3 node (A, B, C) network in that I have deployed simple ERC20 token smart contract on node A. function balanceOf(address tokenOwner) public view returns (uint256) { return balances[...
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quorum-wizard Quickstart option is failing

quorum-wizard Quickstart option is failing with error. Downloading dependencies... Using cached quorum at: /Users/vivart/.quorum-wizard/bin/quorum/20.10.0/geth Using cached tessera at: /Users/vivart/....
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Deploy from Remix to Quorum using password? "authentication needed: password or unlock"

I can SSH into the box that is running Quorum: run geth with the flag --allow-insecure-unlock geth attach new-node-1/geth.ipc personal.unlockAccount(eth.accounts[0]) I'm interested in knowing if I ...
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Is the value of the privateFor param accesible in the contract?

Transaction params for quorum can contain a privateFor param { "jsonrpc":"2.0", "method":"eth_sendTransaction", "params":[ { ...
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MetaMask - Quorum - Network - Custom RPC - Could not fetch chain ID. Is your RPC URL correct?

Instructions from scratch https://docs.goquorum.consensys.net/en/latest/Tutorials/Creating-A-Network-From-Scratch/ genesis.json Directly from the tutorial: "chainId": 10, startnode1.sh #!/...
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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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Error in doing private transactions for nodes on different VMs using quorum and tessera

I am pretty new to quorum/tessera. I have successfully tested a small POC with 3 quorum+tessera nodes on the same machine. Now, I am trying to do a similar POC with 4 nodes on different VMs. The nodes ...
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1 answer
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Access private transactions(payload or state) on a smart contract using tessera

I am pretty new to quorum/tessera and am trying to set up a small POC with 3 nodes. I followed the 7nodes setup example and similarly deployed 3 nodes on my system using Mysql as the database for ...
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Quorum vs Private network Ethereum blockchain

I want to know what are the main features of a private Ethereum blockchain: the used consensus algorithm, the transaction fees, the time needed to produce a new block, the throughput, etc. Does it ...
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Uncaught (in promise) Error: Returned error: oversized data when calling the set method for a very large cipher string

I am using a quorum 7 nodes example with IBFT genesis file. I have modified the maxCodeSizeConfig to 128KB (which is maximum). I have also increased the gas limit to 0x3B9AC9FFFFFF. But, when I am ...
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I am getting a error when trying to set up a local raft network

When I try to run the command geth attach $nodeName/geth.ipc It shows the following error 'Incorrect Usage. flag provided but not defined: -raft' I am not able to understand what went wrong exactly, ...
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quorum private transaction is giving error "Transaction has been reverted by the EVM"

In my project, I have created a 3 node quorum network using quorum-maker. I am calling my smart contract method from web3js. Public transactions are working fine but private transactions are always ...
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What is the difference between IBFT(Istanbul BFT) and PBFT?

I recently got to know about IBFT and Quorum and started studying on their consensus protocols. And what is the difference on IBFT and PBFT? Are they pretty much like the same and, when considering ...
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Attach to tessera node failing

Im installed quorum with tessera but when i need to attach to any node using command $ ./attach.sh 1 show error "Fatal: Unable to attach to remote geth: dial unix qdata/dd1/geth.ipc: connect: no ...
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Using privateFor in truffle test

Using truffle , I am able to deploy private smart contracts using privateFor clause. However, I am not able to use in truffle test. I get the following error. Is there a way we can use privateFor ? ...
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Quorum problem to find external node

I have tried several configurations without success. I am trying to connect two nodes there are in different network. Both are in a VM at google cloud, as you can see in the image below, one of them ...
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How to schedule a transaction to a Contract? [duplicate]

I have a simple getter-setter contract. I want to schedule transactions for a method of my contract on a particular date and time. Do we have a function to schedule transactions to a contract in ...

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