Questions tagged [quorum]
Q&A related to Quorum, the permissioned Go implementation of Ethereum supporting data privacy.
1
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1answer
39 views
The EVM throws an error “invalid opcode 0x1c”
I have written a simple smart contract that allows to store a string, and I'am trying to use go-ethereum(which is similar to web3j).
When I execute a transaction, I have this error
VM returned ...
1
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1answer
30 views
How to get rid of inactive nodes in Geth
I am setting up a quorum network with Quorum-maker, which uses Geth.
It is running at the moment, with three alive nodes. However, earlier I had attempted to create two other nodes, which failed. I ...
0
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0answers
22 views
Metamask transactions keep stack at the txpool of a Quorum Private Network
System information
Geth version: 1.7.2-stable-0905eda4
OS & Version: Ubuntu 16.04
Branch, Commit Hash or Release: HEAD detached at v2.2.1
Actual behaviour and Steps to reproduce the behaviour
...
1
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0answers
52 views
web3.eth.sendSignedTransaction from address is different from Signer's address
I'm signing transactions using an HSM and when using Web3js to send the signed transaction, the from property on the receipt shows an address that's:
Different every time a sent signed transactions ...
0
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1answer
28 views
How many nodes do I need in a Quorum Private Blockchain?
I want to deploy a private blockchain using Quorum on Azure, create some ERC721 Tokens and send them various accounts inside the Private Blockchain.
How many nodes do I need for a Private Blockchain ...
0
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1answer
24 views
which port I use when I want to connect remix to my local quorum network?
I want to deploy a smart contract on my local network. I executed a local node via
PRIVATE_CONFIG=ignore nohup geth --datadir ./Node1/new-
node-1
--nodiscover --verbosity 5 --networkid ...
-1
votes
1answer
38 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...
...
2
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1answer
30 views
Why is zether needed in Quorum if transactions are private between nodes?
As you may know JPMorgan has released zether which allows to make anonymous transactions in Quorum using zkp technology.
But I have a question regarding why Quorum needs it.
Since transactions ...
1
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0answers
20 views
Can I run a javascript file using geth attach?
I want to automatize one thing. Aftert installing the Quorum nodes, I have to run:
docker exec -it quorum_node1_1 geth attach /qdata/dd/geth.ipc
Then I am pasting the JS code
But I want to ...
0
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0answers
21 views
how much structure variable does solidity support? [duplicate]
Error: "UnimplementedFeatureError: Variable inaccessible, too deep
inside stack"
code:
contract create{
struct s{
string s1;
string s2;
string s3;
string s4;
...
0
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1answer
33 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 ...
0
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1answer
27 views
Quorum how to decode result returned by eth_getQuorumPayload api?
I've read the post How to get decrypted transaction data in quorum?
I followed the api document and got the result by calling eth_getQuorumPayload
curl -H "Content-Type: application/json" -X POST ...
0
votes
1answer
53 views
Quorum Can a non permissioned node change the states of private contract if the node knows contract addr and ABI?
I have ran the quorum-example, deploying a private contract.
https://github.com/jpmorganchase/quorum-examples/tree/master/examples/7nodes
I followed the commands written in README.
However, I'm quite ...
0
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0answers
36 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 ...
0
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1answer
34 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 ...
0
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1answer
69 views
Quorum deploy with Web3j timeout
SCENARIO:
I have the following code:
final String hostUrl = this.deployerProperties.getProperty("quorum.host.url");
final String hostPort = this.deployerProperties.getProperty("quorum.host.port");
...
0
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1answer
44 views
How to show partial information on private transaction?
I want to achieve the following requirement in quorum blockchain.
1) Participant A sells a red asset to Participant B for 100 dollars.
2) Participant B paints the asset blue.
3) ...
0
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0answers
20 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....
1
vote
1answer
26 views
Can Qorum Blockchain supports partail transaction encryption?
My use case is that we need to protect sensitive data in the transaction in blockchain. But we want to open other data in the same transaction to the public, Can Quorum support the above mentioned ...
0
votes
1answer
70 views
deploying simple contract on quorum 7nodes example
I am trying to deploy contract with privateFor tag in migration and for set function same as shown in truffle quorum 7node example.
started nodes with these commands
./raft-init.sh
./raft-start.sh
...
1
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2answers
81 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 ...
1
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2answers
82 views
Quorum blockchain transactions visibility
I am wondering if the content (transaction) of the consortium blockchain or Quorum blockchain can be visible only for the validators.
In other words, the registered users (who can access the nodes) ...
0
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2answers
196 views
How to set up Quorum Blockchain?
I have read a lot about Quorum blockchain. My goal is to run and test it. I have found many articles. Could anyone suggest me good start-up articles for setting-up the Quorum on a number of nodes and ...
1
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1answer
129 views
Deploying Contract with Quorum Web3j response: Non-200 status code
SCENARIO:
I have the following code:
final String hostUrl = this.deployerProperties.getProperty("quorum.host.url");
final String hostPort = this.deployerProperties.getProperty("quorum.host.port");
...
0
votes
1answer
58 views
How are new users authenticated into Quorum network
I could find from online readings that Quorum has a Network Manager component that controls nodes access to network to created permissioned network of nodes. But, I couldn't see explanation on how ...
0
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0answers
64 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 ...
2
votes
2answers
69 views
Are private variant of Ethereum or any other blockchain just a glorified distributed database?
Are private variant of Ethereum or any other private blockchain solution just a glorified distributed database?
Other than the fact that the data structure is cryptographically made immutable through ...
0
votes
1answer
185 views
Quorum Minimum Number of Nodes for Raft Consensus and Istanbul BFT
A Quorum Raft cluster of 3 nodes can tolerate a single node failure, while a Quorum cluster of 5 can tolerate 2 node failures. What is the equivalent if one uses Istanbul BFT?
Nathan Aw
0
votes
1answer
98 views
Quorum Tessera Implementation in Go
as Quorum and Ethereum are developed in Go, would like to understand why Tessera, the new Quorum transaction manager to replace Constellation, is written in Java instead of Go?
Thank you.
Nathan Aw
0
votes
1answer
111 views
How to get decrypted transaction data in quorum?
On Quorum_Node1 I am sending a transaction with privateFor: parameter as follows:
eth.sendTransaction({from: eth.accounts[0], to: "0xca84356...9a3d0ccf92b8e",
data: web3.toHex('sample message for ...
0
votes
1answer
121 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 ...
0
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0answers
24 views
Difference between Recursive Linear Prefix or Recursive Length Prefix? Vs Google Protocol Buffer (Protobuf)
Like to know what is the difference between Recursive Linear Prefix and Recursive Length Prefix? I have seen both around Are there they same? Or different?
Also would like to know the reason why RLP ...
1
vote
1answer
95 views
Quorum Tessera Private/Public Keys vs Quorum (Ethereum) Keystore - Difference and Keys Management
Understand that Quorum Tessera is for encryption, decryption, and distribution of private transactions while Quorum Keystore is for normal transaction signing. Can both be collapsed into one set of ...
1
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0answers
48 views
What are the Minimum Requirements for a Quroum node?
I am planning to run a Quorum (Ethereum fork) blockchain on my business. I was wondering if quorum node will run on a Raspberry Pi 3 Model B+.
Raspberri Specs:
Broadcom BCM2837B0, Cortex-A53 (ARMv8)...
0
votes
1answer
110 views
Quorum node address
In the Node class of the Quorum Web3j. The String address what is?
package org.web3j.quorum;
import java.util.List;
/**
* Quorum node configuration class.
*/
public class Node {
private final ...
0
votes
1answer
59 views
Public smart contract that calls Private contract API
In a private blockchain (e.g, quorum), assume that I have a peer X and peer Y. X has a private smart contract (A) and Y has a public smart contract B.
Assume that A provides an API for Y in order to ...
1
vote
1answer
114 views
What are the differences between Monax/Hyperledger Burrow and Quorum?
Are there any significant differences between these protocols?
Thank you for answering.
0
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0answers
44 views
Ethereum/Quorum Pluggable Consensus with Algorand Byzantine Agreement Protocol?
Can Quorum and Ethereum be possibly configured/modified to use Algorand Byzantine Agreement Protocol?
0
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0answers
239 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 ...
0
votes
1answer
136 views
truffle-contract: Contract has not been deployed to detected network (network/artifact mismatch)
I am running a private network and would like to use truffle-contract to interact with the contracts. Unfortunately it gives me this error:
Error: Contract has not been deployed to detected network (...
0
votes
2answers
303 views
truffle-contract error: Number can only safely store up to 53 bits
I am using truffle-contract with a local quorum node and try to execute a smart contract method, but getting this error:
Error: Number can only safely store up to 53 bits
That's the way I do it:
...
0
votes
0answers
43 views
How to read data from external files in Quorum Blockchain?
I have a use case where we have implemented Quorum Blockchain using AWS. The smart contract was written in Solidity. Initially we randomized the valued by coding in Smart Contract however we now want ...
0
votes
1answer
75 views
How can a peer request another peer to invoke a function from his private contract
I build a permissioned network using Quorum,
I have a peerA which has a private smart contract, another peerB that cannot invoke functions of the smart contract as it is private
So, can peerB send ...
0
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1answer
138 views
Quorum Raft: Is the leader validates each transactions in the block before broadcasting it?
I read about how the raft consensus works in Quorum to reach consensus and broadcast blocks (https://github.com/jpmorganchase/quorum/blob/master/docs/raft.md). I don't know if the following is correct ...
1
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0answers
41 views
`etherlime deploy` fails with Error: invalid sender
I am trying to deploy a contract with etherlime to a private permissioned Quorum network:
etherlime init --> OK
etherlime compile --> OK
etherlime deploy --> Error
Error:
Compilation ...
0
votes
2answers
143 views
truffle migration fails, but initial migration was mined
I am trying to deploy this contract on a private permissioned Quorum network. The migration fails on the 1_initial_migration process. If I try to repeat the process with:
sudo truffle migrate --...
0
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0answers
109 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 ...
1
vote
1answer
70 views
Quorum: permissioned-nodes.js and static-nodes.js
How do I proper use permissioned-nodes.js?
According to this information: https://github.com/jpmorganchase/quorum/wiki/Security
If the --permissioned flag is set, the node looks for a file named &...
0
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0answers
201 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
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1answer
80 views
tm.ipc: no such file or directory (socket file to use for the private API / IPC)
I am following this tutorial to setup a Quorum cluster:
https://medium.com/@shizekun/how-to-set-up-a-quorum-private-chain-with-raft-consensus-and-dynamic-membership-bf826f3927e5
But unfortunately I ...
