Questions tagged [hyperledger-fabric]

3 votes
1 replies
How to normalize blockchain storage?
I am wondering how to model my assets, participants, transactions en events. I have already looked on documentation on how to do it syntax wise,...
1 votes
1 replies
How to add/update Hyperledger-Fabric Orderer Address
I want to remote organization joins to my Fabric network. But when I created Orderer, I just declare one value of Orderer Address, like this:...
asked 4 months ago
0 votes
0 replies
Hyperledger Fabric on VSCode, get error: Error instantiating smart contract: chaincode registration failed: container exited with 1
Using the IBM Blockchain extension on VSCode, I get the following error when trying to instantiate my Smart Contract on my channel: Error instant...
0 votes
4 replies
Cannot instantiate chaincode on hyperledger fabric network
I tried instantiating well tested chaincode onto my fabric network but got issue summarized as "cannot register chaincode". There is no trace of...
asked 4 months ago
0 votes
0 replies
Chaincode instantiate fails?
Problem: I create a chaincode and It was Install on all the peers successfully. But when I try to instantiate it failed with giving me an error....
asked 4 months ago
1 votes
1 replies
“Error: No valid response from any peers” when executing composer network install on custom fabric network
I'm currently setting up a custom Hyperledger Fabric network for a Hyperledger Composer project I'm working on. The Composer files are already o...
0 votes
0 replies
BYFN tests failing in Custom Channel CouchDB tests as endorser client fails to connect to peer due to Delay timeout
I tried deploying a Hyperledger Composer blockchain business network to Hyperledger Fabric (multiple organizations). Here is this tutorial link h...
0 votes
1 replies
Error: Expected a Resource or Concept in hyperledger composer
When I try to execute the transaction in composer-playground I got an error: Expected a Resource or Concept and the error message says "Expected...
1 votes
1 replies
Hyperledger Fabric: are there other network types, besides a channel?
In the Hyperledger Fabric contract API there is the function: gateway.getNetwork which, in the papernet tutorial, is used to get a "channel"....
asked 4 months ago
1 votes
0 replies
Chaincode can be listed by cli container, but doesn't exist in peer container
I deployed a Fabric network with two organizations: org1 and org2.Each organization has two peers. Then I installed a chaincode on peer0.org1 vi...
asked 4 months ago
0 votes
1 replies
What is the difference between “enroll” and “reenroll” in the context of Fabric CA?
In the Fabric-CA Client’s CLI documentation(https://hyperledger-fabric-ca.readthedocs.io/en/release-1.4/clientcli.html) , there are two commands...
0 votes
1 replies
What is the difference between “PeerAdmin” and “Admin” for an org in Fabric?
In Fabric java SDK code, there are two concept for an org: PeerAdmin: https://github.com/hyperledger/fabric-sdk-java/blob/master/src/test/java/...
0 votes
1 replies
How to add a new orderer to a running network with kafka mode
I'm adding a new orderer to a running network in kafka mode. The prolem is that if the kafka cluster is newly built or has deleted some early dat...
asked 4 months ago
1 votes
1 replies
Hyperledger Fabric: implementing chaincode level access control
I want to implement a chaincode level access control to some method. So, for example, I want that the chaincode method called can be executed onl...
0 votes
1 replies
Hyperledger Fabric CA: fatal error: unexpected signal during runtime execution
we are using Hyperledger Fabric CA together with an LDAP server. we made an enroll request to the server and got this error as an unhandled excep...
asked 4 months ago
0 votes
1 replies
Can Hyperledger Fabric Be Used To Create A Tradable Cryptocurrency?
I believe it is possible to create a cryptocurrency with Hyperledger (Though a bit unconventional, perhaps). As in this question, chaincode can a...
-1 votes
0 replies
Hyperledger Fabric: Access Denied while invoking transaction from an Idemix User
Error while invoking transaction from Fabric Java sdk through an Idemix User: Sending proposal with transaction to Peer{ id: 11, name: pee...
asked 4 months ago
8 votes
1 replies
Unable to communicate with orderer from peer hyperledger fabric
I am doing a setup of fabric using multinode environment with dynamic provision(Dyanmic pod allocation) over google cloud platform using native k...
0 votes
1 replies
New RAFT orderer cannot detect that it belongs to an application channel
I have an initial Hyperledger Fabric network as the following: org1.example.com has 2 RAFT nodes. The system channel name is system-channel (t...
asked 4 months ago
0 votes
1 replies
Unable to interact with the ledger (invoke and query only happening on world state (couchdb))
So if we take an example of HL Fabric 'fabCar' example, it work very well , but it only play with the world state(couchdb). All the read and writ...
asked 4 months ago
2 votes
0 replies
“SERVICE_UNAVAILABLE” in a Hyperledger Fabric-Composer network, after a restart from a snapshot of Virtualbox machines
I'm making some tests about a configuration of multi-machine and multi-organization blockchain network based on Hyperledger Fabric and Hyperledge...
0 votes
0 replies
How to upgrade a chaincode correctly?
Problem: I created a fabric network with six organizations after that I install a chaincode. Later I change some code parts then I try to update...
asked 4 months ago
0 votes
1 replies
If I use orderer solo, don't need to make kafka node?
If I use orderer type of solo, don't need to make kafka node? I trying to set up virtualbox. I plan to set 4VM like this: orderer,peer0(org0),p...
asked 4 months ago
0 votes
1 replies
failed to get discovery service: could not get chConfig cache reference: read configuration for channel peers failed
When trying to install and instantiate the chaincode I'm getting below error: error coming on WSL(Windows subsystem for Linux) Unable to ins...
1 votes
0 replies
Can't run orderer node(Hyperledger fabric)
I setting 4 VM(Ubuntu 18.04) on Windows10 for running of Hyperledger fabric. The network configuration consist of Orderer,Peer0(Org0),Peer1(Org1...
asked 4 months ago