Stack Overflow
Stack Overflow

Questions tagged [hyperledger]

Hyperledger is an open source collaborative effort created to advance cross-industry blockchain technologies. It is a global collaboration, hosted by The Linux Foundation, including leaders in finance, banking, IoT, supply chain, manufacturing and technology.

Hyperledger is an open source collaborative effort created to advance cross-industry blockchain technologies. It is a global collaboration, hosted by The Linux Foundation, including leaders in finance, banking, IoT, supply chain, manufacturing and technology. (https://www.hyperledger.org/)

Code and documentation is available at: https://github.com/hyperledger

3942 questions
4
votes
1 answer

Difference between node, peer and user in Hyperledger Fabric

I'd like to read about the difference between these terms: Node, Peer and User. From what I understand, a node is basically a machine which inside is running the HL Fabric binaries and is communicating with other machines belonging to the same…
giacom0c
  • 259
  • 1
  • 6
  • 18
4
votes
1 answer

How big payload we can send in single transaction in Hyperledger Fabric. How many assets we can put in a single transaction?

1) How big payload in terms of size, we can add in a single transaction in Hyperledger Fabric. I have millions of assets, ingesting into Fabric network. Maximum assets(Key-Value) can be added into the single transaction are 1000(Correct if I am…
PAVAN
  • 771
  • 4
  • 14
4
votes
1 answer

Hyperledger Fabric - Fabcar performance

I'm trying to run a project using Hyperledger Fabric with a setup similar to the Fabcar example. I'm surprised by the huge amount of time it takes to submit a transaction. Just to make it simple and fully reproducible I measured the time needed…
marco
  • 53
  • 5
4
votes
4 answers

Error when trying to bring up the test network

I trying to follow tutorials and develope on Ubuntu. Then get an error when comes to "Bring up the test network" part. I successfully run the following command to print the script help text of the test network. ./network.sh -h When I want to run…
JasonLee
  • 53
  • 1
  • 5
4
votes
7 answers

Unable to download latest hyperledger fabric binaries

When running the command: curl -sSL https://raw.githubusercontent.com/hyperledger/fabric/master/scripts/bootstrap.sh | bash -s provided on the hyperledger page, I get the following. Clone hyperledger/fabric-samples repo ===> Cloning…
hyprstack
  • 4,043
  • 6
  • 46
  • 89
4
votes
1 answer

Hyperledger Fabric: Add Orderer in running raft network

I want to add a new orderer node in a running hyperledger-fabric network. I've used etcdraft as consensus between the orderers. I've followed step by step process of this accepted answer. In step #15, it is mentioned that, I've to fetch the latest…
muhaimin anando
  • 41
  • 4
4
votes
1 answer

How can I change consensus algorithm in Hyperledger sawtooth-supply-chain api (FishNet example)?

I am trying to change my consensus algorithm in the FishNet example. In /sawtooth-supply-chain-master/fish_client/public/dist/bundle.js file I found this: consensus":{"type":"bytes","id":5} Does anybody knows what is the mapping of consenus ids in…
umang garg
  • 41
  • 4
4
votes
1 answer

uid : unable to do port forwarding: socat not found using helm

I've come across an error, I'm following this github repository. I am setting up the raft-tls network and When i run helm install ./hlf-kube --name hlf-kube -f samples/scaled-raft-tls/network.yaml -f samples/scaled-raft-tls/crypto-config.yaml. I get…
Adarsha Jha
  • 1,782
  • 2
  • 15
  • 37
4
votes
2 answers

Hypelerdger Indy Node - Seed value

I am playing with indy-sdk and in walkthrough demo in step 3 (https://github.com/hyperledger/indy-sdk/blob/master/docs/getting-started/indy-walkthrough.md#step-3-getting-the-ownership-for-stewards-verinym) the seed value for Steward sets equal to…
Polem
  • 131
  • 7
4
votes
1 answer

Error while migrating form kafka to RAFT in Hyperledger fabirc

I am migrating from kafka to raft, When I have changed state from "NORMAL" to "STATE_MAINTENANCE"  and created the final expected envelope as per the procedure. Note: We are using BYFN script HF version: 1.4.3 My CLI pointed to Org1MSP, I signed…
PAVAN
  • 771
  • 4
  • 14
4
votes
0 answers

Fabric SDK resource usage spike issue

We have containerized an express app using fabric node SDK to interact with the blockchain network. We have deployed this alongside the fabric network on a single VM. While testing with a certain load, we are observing that express app (fabric SDK)…
PAVAN
  • 771
  • 4
  • 14
4
votes
0 answers

How to add postgres as a db in hyperledger fabric-ca using sslmode =verify-ca or verify-full?

I am trying to add postgres as a db in fabric-ca and successfully did it in ssl=require mode but not able to do using ssl=verify-ca or verify-full my docker-compose.yaml file is like this : version: '2' networks: basic: services: …
Adarsha Jha
  • 1,782
  • 2
  • 15
  • 37
4
votes
1 answer

unknown command ".network.genesisProfile" for "yq"

I am working on a repo https://github.com/adarshaJha/PIVT#scaled-up-raft-network and when i run this command : helm install ./hlf-kube --name hlf-kube -f samples/simple/network.yaml -f samples/simple/crypto-config.yaml i get this error : unknown…
Adarsha Jha
  • 1,782
  • 2
  • 15
  • 37
4
votes
1 answer

Hyperledger fabric endorsement policy error using Java SDK

I am working on golang version of fabcar smart contract while seeking to implement a Java-SDK API which enrolls an admin, registers a user and performs query-update value operations based on…
StamGR
  • 41
  • 2
4
votes
1 answer

Is there a way to generate Connection Profile in Hyperledger Fabric automatically (with CLI)?

I am currently working on Hyperledger Fabric, and I just bring up a local network based on the "Build Your First Network" tutorial from HL Fabric official site. Before this, I build a network on IBM Blockchain Platform, and they have a sweet…
SpicyFish
  • 53
  • 4
1 2 3
…
99 100