Questions tagged [quorum]

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

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Error creating a IBFT nework in Quorum

I am following the link https://docs.goquorum.consensys.net/en/latest/Tutorials/Creating-A-Network-From-Scratch/ and getting stuck after I clone the istanbul-tool and hit make, it is giving me a make ...
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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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Can the primary node be fixed in Raft and IBFT?

I am doing an experiment to see the effect of a compromised primary node on the performance of Quorum for Raft and IBFT. Is there any way I can fix a node to be the minter or the primary node so that ...
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47 views

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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Uport for Quorum-based Dapp

I'm developing a donation platform based on the blockchain. I need to identify the beneficiary that can be an institution, an association, a hospital, a retirement home, a person, etc. I study the ...
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Chainlink services are not supporting the privateFor transactions in Quorum/Kaleido

We are exploring Kaleido and Chainlink for one of our use cases. What we have done: We have created a network of Quorum/Raft nodes. We had setup the chainlink service for the network. We have setup ...
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40 views

Pending transactions at the client machine, but minter is not minting a new block since there are no pending transactions

I am running Blockbench on Quorom Raft using smallbank workload: 4 minters and 4 clients. Following the logs, I found that sometimes 1 specific client (Client 4) has pending transactions but the ...
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38 views

Private transaction failing with Non-200 status code

I have a Quorum network running on Azure Blockchain service. Sending private messages to a particular public key is failing. It was working till last week. No code or configuration changes have been ...
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Security implications on limiting the round change timeout of Istanbul BFT consensus algorithm?

I have a security-related question regarding the exponentially increasing timeout in the round change, which is used in the Istanbul Byzantine fault-tolerance consensus algorithm used by Quorum. ...
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38 views

In 4 node Quorum setup, nodes 1-2 start but 3-4 give this error

I am running custom setup 4 node Quorum raft cluster, nodes 1 and 2 startup but 3 and 4 fail. what is the problem here? my startup script: ARGS="--nodiscover --verbosity 5 --networkid 1337 --raft --...
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93 views

Quorum Maker for recovery of blockchain data in secondary node

We are trying to setup multiple nodes in QUorum maker to make one node as a backup to be used in case the primary node fails for some reason. We are able to deploy our smart contract successfully but ...
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150 views

Multiple nodes setup in Quorum Network

Is there any documentation to state how can we have redundant nodes configured in Quorum network so that even if a single node goes down, the data in blockchain is still retrievable by the app? ...
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139 views

Not able to connect Tessera with Quorum node

I am following up with the Quorum set up as mentioned @ https://docs.goquorum.com/en/latest/Getting%20Started/Creating-A-Network-From-Scratch/#tessera I have created 3 Quorum nodes with RAFT ...
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105 views

Quorum - Actual blocknumber and eth.blockNumber mismatch

I have a 3-node quorum setup that has been running from Jan 2019. The nodes were working without a problem until Sept 18 2019 when the network started to throw errors on submitting transactions with ...
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143 views

Setting methods permissions a quorum network

I have 3 solidity smart contracts that run in a quorum network with 7 nodes. At the moment i use the constructor to set the owner of the smart contract, that is the node that deployed it. ...
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822 views

read error unexpected EOF

I'm working a evidence application with quorum.I want to store the entire contents of a file on my private blockchain. Although it's not recommended. At first I use a linux command 'split' cut a big ...
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32 views

Contract cannot create new Contract in Quorum

My main contract called SurveyFactory creates new Survey forms: pragma solidity = 0.5.9; import './Survey.sol'; contract SurveyFactory { address[] public surveyList; address public Owner; ...
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80 views

Quorum 7nodes example unable to finish simplestorage migration using privateFor

I'm following this example: truffle quorum example I created a cluster using docker-compose and all the nodes are up and running but when I run the truffle migrate command the migration doesn't end ...
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45 views

TC failures observed for Quorum-2.2.3

2 TCs are failing on Big endian system, seems the issue is with the byte ordering only. 1) ethereum/go-ethereum/core/bloombits 2) ethereum/go-ethereum/swarm/storage/feed Can some one please comment ...
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90 views

Is it possible to modify privateFor addreses in a private Smart Contract (Quorum)?

I know how a private smart contract works providing a list of accepted addreses to privateFor property, but what if I want to disable (or enable) any address visibility? Should I deploy a new Smart ...
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147 views

Issue calling one contract from another using Quorum

I'm using truffle and running locally with 4 quorum nodes, trying to call another contract's function, but keep getting 0 in return instead of the expected value the I get once calling the contract ...
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423 views

Getting Fatal: Error starting protocol stack: Genesis not found in chain

I am getting the following error in one of the nodes, I have a quorum network running. Fatal: Error starting protocol stack: Genesis not found in chain DEBUG[02-19|08:37:08] FS scan times ...
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523 views

Quorum & web3j: Transaction has failed with status: 0x0. Gas used: 0. (not-enough gas?)

I'm doing some play & test with Quorum. I'm using example 7nodes with docker. The network is up and my simple smart contract is deployed with a set and a get function. When I call the set function ...
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301 views

How to `truffle migrate` to private permissioned network?

I am running a private permissioned network and would like to use Truffle v5.0.1 for deployment. I use it according to the documentation: Compile my project with truffle compile so that the ./build ...
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389 views

Quorum transaction not mined and no address

I am running a private Quorum chain consisting of 3 nodes with raft consensus. When I deploy a contract to the chain via web3 I get returned a hash and can then look up the transaction with the local ...
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285 views

Unable to interact with DApp deployed on quorum

I am unable to interact with contract using Dapp deployed on Quorum blockchain (using metamask). I am following "https://truffleframework.com/tutorials/building-dapps-for-quorum-private-enterprise-...
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49 views

Quorum/DApp Running in Secure Enclaves Such as Google Asylo

To secure the geth nodes and the keystores, can we run constellation and geth nodes within secure enclaves such as Google Asylo? Or perhaps the DApp or Smart Contract could run in the secure ...
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35 views

Ethereum Code Fork on Github : How to incorporate the majority of Ethereum updates quickly and seamlessly

There are currently 6831 fork on go ethereum on github. Say I have made multiple code changes to go ethereum client for private ethereum purposes, How can I incorporate the majority of Ethereum ...
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281 views

Quroum - High gas consumption for ether transfer

I am running a local 3-node Quorum cluster with Raft consensus. The network is setup using quorum-maker. All the settings are default except that I have added a custom account in the script so that it ...
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252 views

Securing Quorum Geth Node

I have a dapp node which uses web3js to send transactions to quorum geth node. The html pages shows the http provider and the ports. In theory anyone can use these ip and public address in the html to ...
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123 views

Quorum Consensus - BAR (Byzantine Altruistic Rational) Fault Tolerance / BAR Fault Tolerance / BAR Model

I refer to http://www.cs.utexas.edu/~dahlin/projects/bft/ http://www.cs.cornell.edu/lorenzo/papers/sosp05.pdf http://www.cs.northwestern.edu/~fabianb/classes/cs-443-w07/BAR.pdf https://blog.ethereum....
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99 views

Quorum Data Migration

In the forseeable future, there will be a need to migrate data on the Quorum blockchain to another system. Are there migration tools/ETL tools that can take data on blockchain nodes and process it ...
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36 views

Can Quorum be run on RHEL?

Understand Quorum examples are running on Ubuntu -- Is Quorum able to run on top of RHEL OS?
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302 views

Trying to start a geth node for Quorum, running into this error. Help

Is this a raft problem? nohup: appending output to 'nohup.out' WARN [05-06|07:14:42] No etherbase set and no accounts found as default INFO [05-06|07:14:42] Starting peer-to-peer node ...
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520 views

I downloaded and built quorum from the official git repo but I dont see the QOURUM OPTIONS

git clone -b geth1.6 --single-branch https://github.com/jpmorganchase/quorum.git NAME: geth - the go-ethereum command line interface Copyright 2013-2017 The go-ethereum Authors USAGE: geth [...
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260 views

How does Quorum or any private ethereum deal with failing/unavailable nodes, Single Point of Failure (SPOF) and Settlement/Transaction finality?

How does Quorum or private ethereum deal with failing/unavailable nodes, Single Point of Failure (SPOF) and Settlement/Transaction finality? It seems to me that only ethereum main net is truly ...
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184 views

Why does the transaction stay in queue from more than 240 second

I am running quorum nodes via the Quorum-maker script, and when trying to call functions from my already deployed smart contract, I get this error : Transaction ...
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596 views

Quorum Account existence on node requirement of Private Transaction

I am trying out private transaction using Quorum. Two quorum nodes N1 and N2 configured to participate in the private transaction. I deployed a contract which is private for N1 and N2. I issue ...
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356 views

Quorum cakeshop - Error while starting up

I hava a question regarding Quorum cakeshop. Currently I am trying to get the cakeshop running, what i want to use to play a around with Quorum a little. More infos below: https://github.com/...
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244 views

Error while deploying smart contract (quorum-examples tutorial by truffle)

:~workspace/myproject$truffle migrate --reset Compiling your contracts... Everything is up to date, there is nothing to compile. Running migration: 1_initial_migration.js Replacing Migrations... ...
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131 views

Enabling HTTPS / 2 Way SSL Communication between Ethereum / Quorum Nodes

To further enhance security and comply to regulatory requirements, there is a need to enable HTTPS / 2 Way SSL Communication between Ethereum / Quorum Nodes. Understand that Quorum uses existing ...

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