Questions tagged [quorum]
Q&A related to Quorum, the permissioned Go implementation of Ethereum supporting data privacy.
276
questions
0
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0answers
11 views
How do I perform a hot migration of a Quorum node from one host to another?
I'm trying to perform a hot migration of an existing Quorum node on a RAFT cluster from one host to another.
Is it possible to start a replicated quorum node with the same Tessera key pair as an ...
2
votes
2answers
436 views
Updating Smart Contract in Quorum with no change to the smart contract address
Understand that a smart contract address is deterministically computed from the address of its creator and how many transactions the creator has sent and thus every new smart contract deployment will ...
0
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0answers
15 views
ERC721 token transfer across private contracts
Using a token based model
I have multiple privacy groups and using Quorum
P1 - Participants A and B ( Private Contract )
P2 - Participants B and C ( Private Contract )
P3 - Participants C and D ( ...
0
votes
1answer
261 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 ...
2
votes
2answers
695 views
How can I trigger a quorum private smart contract deployment from my js client app?
My question follows directly this answer to a similar question.
I need for my client app users to be able to trigger private contract deployment. I've tried using privateFor with both the web3 and ...
2
votes
1answer
162 views
Deploying ERC 725 (Blockchain Identity IDs) on Quorum?
I refer to ERC 725 -- Blockchain for Identity. From a smart contract code angle, it looks to be just another smart contract that I deploy onto the blockchain.
Am wondering if Quorum can be used to ...
1
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1answer
166 views
Quorum and Swarm Integration
After building from Quorum source, I can see Swarm as on the binaries. How can one get Swarm to work alongside Quorum?
1
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2answers
1k views
Gas Price Must Be Greater Than Or Equal To 0.1 GWEI in Metamask
I have setup a private quorum network, connected the metamask with my quorum network and it is connecting but when am trying to do transaction getting an alert Gas Price Must Be Greater Than Or Equal ...
0
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1answer
298 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-...
1
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0answers
23 views
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 ...
0
votes
1answer
300 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 ...
0
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1answer
195 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 ...
1
vote
1answer
366 views
solidity sorting array - LIFO / FIFO
I am adding to an bytes32[] array via push().
When I traverse the array with for (uint i = 0; i < array.length; i++), This is First in First Out (FIFO) sequence right?
How can one perform a ...
0
votes
1answer
268 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 ...
0
votes
1answer
558 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 [...
0
votes
1answer
171 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.
...
0
votes
1answer
113 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 ...
1
vote
1answer
496 views
Set up Custom nodes in Quorum
I have gone through the https://github.com/jpmorganchase/quorum-examples and it works good and fine. Now I want to make my own custom node Quorum Network what is the best method, tool or any guide ...
0
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1answer
363 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/...
0
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0answers
15 views
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 ...
0
votes
0answers
14 views
How to make geth node as a service?
I managed to setup Ethereum private network (using clique, Quorum's RAFT and IBFT) and managed to connect them to my own DApp via metamask.
Now I am wondering, how to make the network that I just ...
1
vote
1answer
749 views
Node unable to connect to the constellation node (quorum)
Looking at the 7Node example from:
https://github.com/jpmorganchase/quorum-examples/tree/master/examples/7nodes
and trying to configure my network but have ran into a lot of trouble over the days, ...
0
votes
1answer
615 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 ...
0
votes
1answer
193 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?
...
1
vote
2answers
203 views
Invalid Sender when Using Quorum
I followed this tutorial (https://github.com/jpmorganchase/quorum/wiki/From-Scratch) to start up Quorum with 4 nodes using istanbul consensus. The nodes can connect and blocks are being generated but ...
7
votes
1answer
877 views
Deploy contract in web3j quorum problem
I'm trying to deploy a smart contract (7 nodes sample from Quorum) using web3j.
It fails at get() to get the contract wrapper object. If I check the logs, a new transaction will show up, but if I call ...
0
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0answers
36 views
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 ...
0
votes
1answer
21 views
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.
0
votes
1answer
462 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 ...
1
vote
2answers
419 views
Quorum 7nodes example unable to attach to geth node 1,2,4,5,6,7 but node 3 is working
Quorum 7nodes example all of sudden gave fatal error unable to attach to remote geth.
Problem: can't attach to geth node
Every time I import metamask account to geth node (using personal.importRawKey(...
0
votes
0answers
18 views
Recover msg.sender in externally signed private transaction in Quorum
When I send an externally signed private transaction (contract bytecode) using the sendRawRequest API of quorum-js, the from field, or the msg.sender field at the solidity contract comes out as a ...
0
votes
2answers
46 views
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 ...
0
votes
1answer
46 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 ...
0
votes
0answers
16 views
Quorum: Sending Private Transaction With Python
I am trying to experiment with GoQuorum and Python. I have read the documentation about how privateTransactions work and I am trying to perform one. Since Python's web3py does not support the ...
0
votes
1answer
24 views
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[...
0
votes
0answers
17 views
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/....
1
vote
1answer
102 views
quorum-maker-no web UI is exposing on any host ports after creating nodes
Im trying to deploy contract using quorum-maker, I've followed every step as mentioned in wiki, but still not able to connect web UI and have no idea where Web app is deployed(in wiki. http://10.50.0....
0
votes
1answer
101 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 ...
2
votes
1answer
62 views
Save temporarily-shareable private data using Quorum
Can we use Quorum (or any other Ethererum variation) to save private data that can be shared with other parties for a temp period?
The use case is that: A patient can share his medical data that is ...
0
votes
1answer
45 views
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 ...
0
votes
1answer
126 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....
0
votes
1answer
23 views
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":[
{
...
0
votes
1answer
81 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 ...
1
vote
1answer
101 views
Quorum Constellation TLS Trust Mode revoking a certificate
I have multiple quorum nodes setup. How does revoke a certificate for a node? Assuming the node has gone rogue, there is a need to revoke a certificate for the node
0
votes
1answer
405 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 ...
1
vote
1answer
60 views
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 ...
0
votes
1answer
1k 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 ...
0
votes
1answer
2k views
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
#!/...
0
votes
3answers
170 views
Error in the truffle init command, quorum
i'm trying to truffle a project but each time it shows me this message,
whereas, i'm sure i installed the truffle successfully.
vagrant@ubuntu-xenial:~/quorum-examples$ cd project
vagrant@ubuntu-...
0
votes
0answers
43 views
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 ...
