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Questions tagged [quorum]

Quorum is an open-source application/protocol layer that runs on the Ethereum blockchain. Use this tag for programming questions related to working with Quorum.

Quorum is an open-source application/protocol layer that runs on the Ethereum blockchain. It is owned by Consensys.

Website: https://consensys.net/quorum/

145 questions
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Hyperledger Sawtooth vs Quorum in concurrency and speed

Let's suppose I have 50 machines deployed in multiple locations, every machine has Linux as OS. The machines have not a continued internet connection, for every 2h without connection, they have a 45min period of Wi-Fi connection. During these 2h the…
Across
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How to do the Smart Contract Storage Migration using Quorum?

I wrote one smart contract without upgradable logic, now I want to update the same smart contract with some changes. Is it possible to copy the data from old contract storage to a new one?
Muthukumar K
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Tessera Cross Origin Issues while calling the rest API ( /storeraw )

I am using tessera for execute private transaction's in Quorum. When invoking the third party (privateURL) API from the postman, I am getting the expected output but when calling the same API's from the other server I am getting an empty response…
Muthukumar K
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Disable global qos in rabbitmq from celery

I have created a RabbitMQ 3-node cluster using three aws ec2 servers. I'm trying to access the quorum queue I created using celery. When I connect it gives the error raise error_for_code(reply_code,…
Sandeepa Kariyawasam
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General Question on how to use Quorum blockchain

I am very new to quorum programming. I already made some Smart Contracts with solidity on ethereum and made some dapps with Truffle, React and Metamask. Now I did this Quorum Tutorial:…
BlockchainProgrammer
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Send signed transaction from nodejs to private SmartContract using webjs in Quorum network not working

Context I have a quorum network mounted following the example of 7nodes. In node 1 I have deployed a smart contract privately, putting the public key of this "BULeR8JyUWhiuuCMU/HLA0Q5pzkYT+cHII3ZKBey3Bo=" in the private form. My goal is to make a…
victor_reiner
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Quorum Constellation: Too many open files

I'm working on JPMorgan's Quorum where I wrote a simplistic private smart contract and I'm hitting it with as much as possible of transactions to stress test it. The configuration I'm using is the 7nodes example.…
M. K. Q.
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Cannot open channel to 2 at election address /10.10.87.241:3888 java.net.ConnectException: Connection refused (Connection refused)

I was trying to setup zookeeper quorum 1st with 2 nodes later with 3 nodes but in both the cases i was getting the same error. I've already tried restarting the zookeeper nodes but it didn't help. For the ist node zookeeper.out shows binding to…
Nayana
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In Quorum, `eth.syncing` gives False even when blocks are imported

Due to overload, I lost my geth connection. When I start geth again, my old block's is gone. It again starts with 0th blocks. While doing the geth syncmode am getting false. Plz, help on these…
Muthukumar K
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Zookeeper Quorum and the Non- Quorum

Zookeeper Experts. The question that I am asking might be basic to you, but I am new to ZK, and I haven't mastered the tool yet so forgive me. With that in mind here is my question. Suppose I have a ZK Cluster of 5 Servers, and I have a quorum of…
Derayt.
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How Redis with sentinels behave after split brain?

Question is about Redis server and sentinels configuration. There are two subnetworks and I want to have 4 redis servers in total, 2 in each subnet. Since there might be connectivity issue I would like to configure sentinels in order to allow brain…
Nikolay Kuznetsov
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Permissions within a blockchain?

Everything I've been reading about blockchain from my understanding says that even on a private blockchain, every participant can view all transactions. I've seen it mentioned that a use case for block chain could be the sharing of medical data. So…
badgerbadger
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Quorum: "invalid opcode: SELFBALANCE" error unless 'petersburg' chosen manually

We are running a GoQuorum 27.7 network. In Remix with 'default' as the EVM version, when running the function SELFBALANCE it gives the error: invalid opcode: SELFBALANCE . However, when manually choosing "petersburg" as the EVM version, it works…
ShadiAyoub
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Dataproc Install zookeeper latest version on dataproc as zookeeper quorum mode on cluster creation

Does anyone know how to install zookeeper's latest version on dataproc as zookeeper quorum mode. while cluster creation. On latest dataproc version 2.0 (Debian 10, Hadoop 3.2, Spark 3.1) There are two ways to install zookeeper on dataproc one with…
kashif
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Pika: Migration from classic mirrored to quorum queues

I am trying to see if there is a way to migrate existing classical mirrored queues in RabbitMQ to quorum queues. From what I understand the quorum queues have to be declared which would mean that they are created newly. Other than the downtime…
Benoy John
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