Questions tagged [quorum]
Q&A related to Quorum, the permissioned Go implementation of Ethereum supporting data privacy.
273
questions
0
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0answers
9 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 ...
0
votes
0answers
32 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
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0answers
16 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
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1answer
17 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
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0answers
15 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
19 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
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0answers
16 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
51 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
20 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
1k 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
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0answers
33 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 ...
0
votes
0answers
53 views
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 ...
0
votes
1answer
41 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
59 views
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 ...
0
votes
1answer
29 views
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 ...
0
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0answers
15 views
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 ...
0
votes
1answer
25 views
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, ...
1
vote
1answer
79 views
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 ...
0
votes
0answers
21 views
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 ...
2
votes
2answers
128 views
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 ...
1
vote
1answer
41 views
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 ...
1
vote
0answers
35 views
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 ?
...
0
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0answers
61 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 ...
0
votes
0answers
24 views
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 ...
0
votes
1answer
38 views
Are the events raised in a private transaction in quorum also private?
I'm trying to understand the specifics of privacy in quorum transactions, specially regarding the events.
Are the events raised in a private transaction in quorum also private? I can't find any ...
0
votes
1answer
61 views
Front-running in Quorum IBFT
Are pending transactions processed sequentially in IBFT?
In a networks based on PoW you would usually pay higher gas price in order to get your transaction mined first. Is there a way to manipulate ...
0
votes
0answers
43 views
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 ...
0
votes
0answers
28 views
In Azure Blockchain Service, why are blocks mined by 0x0000000000000000000000000000000000000000? None of the members in consortium has this account
Who mines the blocks in Quorum network?
0
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0answers
55 views
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 ...
0
votes
0answers
46 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 ...
1
vote
1answer
40 views
What is the block number of the first block mined in a private blockchain network deployed on say Quorum?
I am working on POCs on Azure Blockchain Service. While working on quickstarts, I observed that while deploying my 'Hello Blockchain!' smart contract, the block number of the block mined was 34136. ...
1
vote
1answer
62 views
How to execute a private transaction in quorum
I am currently learning quorum. I was able to build two node environment by referring to "Creating a network from scratch" in the following quorum official link, and successed to attach node1 using ...
1
vote
1answer
120 views
Can an Erc-20 token that I create on my Quorum be integrated with any cryptocurrency exchange (for example Coinbase)?
I have setup my own quorum blockchain network. If I deploy an ERC20 token contract with a coin name (say ABC), will I be able to list the coin in exchanges ?
0
votes
1answer
45 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 ...
2
votes
2answers
165 views
Web3js events “fromBlock: 0” doesnt work
I want to get events from block X.
I have:
quorum-v2.4.0
web3js 1.2.6
And I have my own smart contracts I want to listen for. So I have created listener for allEvents like this:
const event = ...
0
votes
2answers
125 views
Unable to deploy contract on Private Quorum Network
We just built a new 3 node quorum network but we are unable to deploy any contract on it. Please find the below info:
Quorum vesrsion:
Geth
Version: 1.8.18-stable
Git Commit: ...
1
vote
1answer
28 views
What is the max number of Blocks which can be created in Quorum
I have nodes running from past few days, with almost 4100+ transactions successfully completed. When i try to interact with the contracts again to add/modify details it shows error
Error when ...
0
votes
2answers
256 views
Quorum private transactions not private
I am struggling to enforce privacy using Quorum's privateFor option.
I have provisioned a consortium in Azure blockchian service with 3 nodes. I deploy a smart contract from node2 privateFor node1 ...
0
votes
1answer
174 views
How to send a private transaction using Quorum
I'm trying to send a private transaction using Quorum geth, but eventually got an error :
Error: ether value is not supported for private transactions
at web3.js:3143:20
at web3.js:6347:15
...
0
votes
0answers
24 views
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.
...
3
votes
2answers
343 views
How is authorization handled in smart contracts
I have deployed a Quorum network on Azure Block chain service to be used by specific invited members of a consortium. I have not yet explored the privacy features provided by Quorum on top of Ethereum....
1
vote
1answer
36 views
Fire transaction from contract
I have a contract holding a mapping like this: mapping (address => User) users. How can I get the contract to automatically fire a transaction/event when a certain condition is met? For example, ...
3
votes
1answer
141 views
Contract does not exist at address
I have setup a private Quorum network and successfully deployed contracts and executed contract functions using Visual Studio Code and remix.
When i try to deploy the exact same contract manually ...
1
vote
0answers
85 views
Quorum Smart Contract Performance Azure Blockchain Serivce
I wonder that how I can improve smart contract performance in Quorum.
Right now I have a smart contract which save supply chain information and we are using Azure Blockchain Service for Quorum. We ...
1
vote
1answer
128 views
Remix Browser and Quorum Local Node
When i try to deploy any contract using quorum local node in remix browser with solidity version higher than 0.5.0, the contract gets deployed but any transaction to interact (fetch / update) the ...
2
votes
0answers
30 views
Solidity Contract Length [duplicate]
What is the max length of solidity contract?
I have been trying to deploy a contract of 328 lines of code on Remix Browser with a locally created Quorum Private Permissioned Node.
I get the ...
1
vote
1answer
184 views
gas required exceeds allowance or always failing transaction in local permissioned Node
I am facing the some issue with gas but i do not have any modifiers in my contract. Even a simple setter-getter contract shows the following Error
Error: gas required exceeds allowance or always ...
0
votes
1answer
106 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 ...
0
votes
1answer
183 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?
...
