3,936
questions
0
votes
0
answers
8
views
Can Not Receive Offered Verifiable Credential From Issuer - credo-ts
To issue a verifiable credential to a specific holder, I send a credential offer to the holder that is connected beforehand by DIDComm but the holder cannot receive/accept the credential offer.
I use ...
- 1
0
votes
0
answers
25
views
Could Not Connect to Hyperledger Indy Test Pool via Python Wrapper - Error: indy.dll not found
I am trying to create and connect to a local Indy test ledger using the Docker image file from the indy-sdk repository. However, my Python code is giving the error: '_load_cdll: Can't load libindy: ...
- 33
-1
votes
0
answers
21
views
Hyperledger Fabric Python SDK Error: "Access Denied" and "Socket Connection Closed" Issues
I've been working with Hyperledger Fabric and ran into an error while testing with the Python SDK. The error message I get is:
"error": "<_MultiThreadedRendezvous of RPC that ...
- 1
0
votes
0
answers
7
views
Error installing chaincode (java) in HyperledgerFabric usinng Bevel 1.1 helm chart
I am deploying a Fabric 2.5.4 network using Hyperledger Bevel v1.1 (not through Ansible and Flux but just using Helm charts thanks to this new feature in Bevel 1.1)
All process is solved but untill I ...
- 1,889
0
votes
0
answers
22
views
Hyperledger Fabric - Prometheus's index ledger_transaction_count is different as the transaction on chain
Hyperledger Fabric: v2.5.2
I have a Grafana and Prometheus, one of the index 'Ledger Transaction Count' or ledger_transaction_count is showing different transaction numbers on-chain of the sum of my ...
- 13
0
votes
0
answers
29
views
How does one deploy Hyperledger Fabric components separately using Minifabric on different machines?
While working on setting up a Hyperledger Fabric network using Minifabric, one had successfully used Minifabric to bring up the entire network as a whole, but now, it is required to deploy the ...
- 1
0
votes
1
answer
22
views
err: bad proposal response 500: cannot create ledger from genesis block: LedgerID already exists
There was a problem with the test network of the fabric.
Commands：
./network.sh createChannel
question
Channel 'mychannel' created
Joining org1 peer to the channel...
Using organization 1
+ peer ...
0
votes
0
answers
18
views
Getting "Invalid token in authorization header" error while registering user with Hyperledger Fabric CA
I am trying to register and enroll users using Hyperledger Fabric CA in my Node.js application. However, I keep getting the following error when attempting to register a user:
2024/07/21 09:33:53 [...
0
votes
0
answers
13
views
Error on outputChannelCreateTx: config update generation failure: cannot define a new channel with no Consortium value with fabric 2.5
I am using fabric 2.5 image for my project
this is my configtx.yaml file
Organizations:
&OrdererOrg
Name: OrdererOrg
ID: OrdererMSP
MSPDir: ../organizations/ordererOrganizations/blockchain.com/msp
...
- 1
0
votes
0
answers
15
views
hyperledger fabric ClientHandshake
I am trying one handson session tutorial: in that at the stage of install chaincode i worked on following command then got following:
peer lifecycle chaincode install property.tar.gz --peerAddresses ...
0
votes
0
answers
47
views
hyperledger fabric invoke is giving error without syntax error
i am doing research in blockchain and i am trying to do work with erc721 tokens but fabric is giving me so much trouble.
#!/bin/sh
./network.sh down
sudo ./network.sh up -ca -s couchdb
sudo ./network....
0
votes
0
answers
9
views
How to reset the test-network to its "blank" state
I've been playing around with Hyperledger's fabric-operations-console and the test-network. It's been a while and I was really pleasantly surprised as to how easy it is to spin up a lab to use for ...
- 1
0
votes
0
answers
46
views
Issue doing benchmarking with Hyperledger Caliper.....where transactions interacting with already deployed Contract
I am trying to benchmark a smart contract using Hyperledger Caliper. I use the below code and it works absolutely fine. However, if the contract is already deployed I am unable to interact with it ...
- 71
0
votes
1
answer
63
views
HyperLedger Fabric: getting connection refused - when trying to add an orderer node to a channel via osnChannelJoin
Fabric Version - 2.4.
TLS is enabled both for ORDERER_GENERAL and ORDERER_ADMIN.
3 EtcdRaft orderers configured, each with it's own admin.
Using fabric-tools, I can ping the administrator's host ...
- 33
0
votes
1
answer
15
views
failed to determine cluster membership from join-block: failed to validate config metadata of ordering config: duplicate consenter
I have 1 TLS CA, 1 root CA, 1 intermediate CA.
My registration and enrolling of components pass successfully.
I generated application channel genesis block. My configtx.yaml:
Organizations:
- &...
- 313
0
votes
0
answers
52
views
Error while configuring hyperledger explorer using fabric-ca
Explorer logs:
Error instantiating FabricCAServices Error: Calling enroll endpoint failed, CONNECTION Timeout
explorer.mynetwork.com | at TLSSocket.<anonymous> (/opt/explorer/...
0
votes
1
answer
40
views
Deploying Hyperledger : configtxgen issue
I am building a hyperledger fabric from scratch , I took most of the commands from https://github.com/feitnomore/hyperledger-fabric-kubernetes/blob/master/README.md but I am using image docker.io/...
-1
votes
1
answer
67
views
Getting Error: error validating proposal: access denied: channel [mainchannel] creator org unknown, creator is malformed in fabric-gateway nodejs
While trying to connect to the Peer using fabric-gateway in nodejs i am getting the following error:
/home/kshitij/Desktop/api/fabric-test-task/node_modules/@hyperledger/fabric-gateway/dist/client.js:...
0
votes
1
answer
185
views
Getting EndorseError: 14 UNAVAILABLE: Name resolution failed for target dns:grpcs://localhost:9051 while using fabric-gateway
I am trying to create a gateway using @hyperledger/fabric-gateway module in Nodejs.
I am able to enroll the admin and the user but after creating the gateway the NetworkImpl and ContractImpl both are ...
1
vote
0
answers
86
views
HLF operator peer pod not creating issue
I am creating a hyperledger fabric network with hlf operator(version 1.8.0).
here i am getting an issue of peer not getting created when i hit this command
kubectl hlf peer create --statedb=couchdb --...
0
votes
1
answer
47
views
Does Hyperledger Fabric Gateway Service send a transaction to an orderer if there were not enough endorsement approvals from other peers collected?
Starting from Hyperledger Fabric v2.4 there is a Gateway Service. It helps to make transaction flow more easy for the client. So the client doesn't need to collect endorsements manually. But the ...
-1
votes
1
answer
50
views
Hyperledger-Fabric AMB connect to Typescript
I tried to connect Hyperledger fabric(AMB) 2.2 using typescript but I am getting errors so Plz provide any tutorial or repository link for this?
I tried with typescript code in fabric - samples 2.2 ...
- 1
0
votes
0
answers
21
views
Integrating Hyperledger fabric and Hyperledger indy
I need to generate a verifiable credential for a digital asset based on some non sensitive information from Hyperledger fabric network . For instance, use api endpoint to pull some reference ...
- 147
3
votes
0
answers
94
views
Hyperledger fabric system channel orderers update error 1.4
Im trying to update the system channel in order to add a new Orderer.
The protobuf is signed by the organization admin and I see that it gets to the Orderer that I send the transaction, but I can not ...
- 253
0
votes
0
answers
34
views
Cannot run peer because cannot init crypto, specified path "/home/ubuntu/fabric-samples/config/msp" does not exist or cannot be accessed
In the implementation of multi-machine deployment, after I successfully deployed the network, the chain code can be successfully initialized in the container, and the invoke and query are successful. ...
0
votes
0
answers
22
views
Getting build error for fabric. Can someone assist on this?
I'm trying to build the development environment for hyperledger fabric from : https://github.com/hyperledger/fabric, fabric 2.2.14; While running make command I am getting leveldb: closed error.
I am ...
1
vote
1
answer
58
views
Hyperledger Fabric development Jira references inaccessible
There are so many references to jira stories/epics of Hyperledger Fabric open source development in many of the issue discussions, documentation and stackoverflow answers, etc.
These reference URLs ...
- 528
0
votes
0
answers
14
views
Error during Hyperledger Composer network install: npm ERR! command failed with node-gyp rebuild
I'm trying to install a network on Hyperledger Composer using the following command:
composer network install -c PeerAdmin@HealthData-network -a [email protected]
However, I'm encountering ...
0
votes
0
answers
22
views
CST 0001 ERRO [comm.tls] ClientHandshake -> Client TLS handshake failed after 173.725µs with error EOF remoteaddress=127.0.0.1:7051
fabric: v2.5.4
docker: v24.0.5
docker-compose: v1.25.0
When running ./test-network.sh createChannel, the error occurs.
Channel 'mychannel' created
Joining org1 peer to the channel...
Using ...
0
votes
0
answers
14
views
How to install fabric-sdk-py in my Easpberry Pi4
I'm trying to install fabric-sdk-py on Raspberry Pi 4 but It does not install. I want to send some sensor data from my raspberry pi 4 to my Hyperledger fabric network, I have a python script to read ...
0
votes
0
answers
32
views
hyperledger fabric can we intergrate existing database into a blockchain network and how?
i am trying to learn how to work with hyperledeger fabric but i have a lot of question that i couldn't find a answer for
how is hyperledger fabric is implemented in organization and not just locally?
...
- 1
0
votes
1
answer
86
views
Accessing Fabric CA Server with REST API (Authentication Error)
https://github.com/hyperledger/fabric-ca/blob/release-1.2/swagger/swagger-fabric-ca.json
Using the above link as reference, I've success with the cainfo method (using localhost:27054/api/v1/cainfo). ...
0
votes
0
answers
37
views
Learning Hyperledger Fabric & setting up a simple network. Stuck on an error while trying to regenerate the channel configuration transaction
Command I am using on Terminal:
"configtxgen -profile OneOrgOrdererGenesis -outputCreateChannelTx /Users/anmolmanchanda/go/src/github.com/18738798/fabric-samples/fabric-network/channel.tx -...
1
vote
0
answers
32
views
Setting up gRPC Proxies for HLF Operator Operations Console
I've hit a roadblock recently while working on setting up the Fabric console. While I've managed to successfully deploy the console, I'm stuck at the gRPC proxies part. Despite my efforts to dive into ...
0
votes
0
answers
10
views
2024-02-15 10:03:17.264 UTC [endorser] SimulateProposal -> ERRO 08c failed to invoke chaincode token-erc-721, error: container exited with 1
ehtasham@ehtasham-9876-1961A:~/fabric-samples/test-network$ ./network.sh deployCC -ccn token-erc-721 -ccp ../token-erc-721/chaincode-javascript/ -ccl javascript
deploying chaincode on channel '...
0
votes
1
answer
40
views
Hyperledger Fabric CA Certificate Error with Fabric Samples deployment
I was trying the steps mentioned for the deployment of Asset Transfer Basic Chaincode mentioned here.
https://github.com/hyperledger/fabric-samples/tree/main/asset-transfer-basic
I could deploy the ...
- 459
1
vote
1
answer
56
views
How to manage dynamic data format in hyperledger
I am new to hyperledger and writing chaincode in golang for a fictional farm product. The flow of main stakeholders of the supply chain system are as follows:
Farm -> logistics -> aggregation ...
0
votes
1
answer
44
views
hyperledger fabric sdk trying to create channel when there is one already
my problem is that my java application for hyperledger tries to create channel when there is one already created and i don't have any idea why. I have no idea what to do further with this but would ...
0
votes
0
answers
81
views
Failed to evaluate transaction: Error: DiscoveryService: mychannel error: access denied
I succeeded in operating the test-network provided by hyperledger fabric v2.2 itself.
(1) Chaincode installation complete
- ./network.sh deployCC -ccn basic -ccp ../asset-transfer-basic/chaincode-...
- 1
0
votes
0
answers
23
views
Fabric Operations Console with Kubernetes Cluster on GKE Autopilot
I've been working on a Hyperledger Fabric based project that requires a console for viewing transactions carried out in the network. I tried using Fabric Operations Console ( https://github.com/...
0
votes
1
answer
51
views
Not able receive block level events in hyperledger fabric golang
I was trying to listen block level events in Golang. I am not able to receive blocklevel events at all. It is just showing block 0 always and not moving ahead. I have given the sample code. Please let ...
0
votes
0
answers
32
views
How to send data from Adonis js API to fabric-sample ledger of Hyperledger fabric?
I am trying to send data from my Adonis js application to fabric-sample ledger but getting below error, i am not able to make connection between these two technologies.
ERROR: [18:08:05.471] ERROR (...
- 1
0
votes
0
answers
53
views
Hyperledger Fabric OCI runtime exec failed: exec failed: unable to start container process:
I am trying to create a channel using Hyperledger Fabric, but I encountered the following error: OCI runtime exec failed: exec failed: unable to start container process: exec: "./scripts/...
- 1
0
votes
0
answers
236
views
I get an error message when installing Casey.just using winget for a hyperledger fabric project
trying to install Just [Casey.Just] using this code in powershell for a Hyperledge fabric project
winget install --id Casey.Just --exact
after a while of showin this: Downloading https://github.com/...
0
votes
0
answers
28
views
Enable gRPC verbose logs for Hyperledger Fabric
I am observing so many gossip related issues across Hyperledger Fabric v2.4.7 network peers. To know the root cause I have enabled the verbose gRPC logs as per go-grpc official doc.
I configured these ...
- 528
1
vote
0
answers
218
views
Python ReportLab Table of Contents Page Numbering Problem
I need to generate a PDF w/Table of Contents in python (v3.10) using reportlab (v3.6.10) (SimpleDocTemplate). The page numbers need to be dynamically set, but the examples I've been able to find do ...
- 21
0
votes
1
answer
22
views
TLS (Transport Layer Security) Issue when Creating Channel in Hyperledger Fabric
I'm developing a project with Hyperledger Fabric using the test-network, and while trying to run the components separately, I encountered two issues when calling the createChannel script.
Firstly, ...
- 1
0
votes
0
answers
69
views
Blockchain network hyperledger fabric - client application cannot connect to peer
I use application client nodejs to connect peer in blockchain network hyperledger fabric, but not action. Please help me
Connect file json:
{
"name": "test-network",
"...
0
votes
0
answers
26
views
How to Retain Credential Exchange Records from Issuer Perspective After Completion in ACA-Py?
I'm working with ACA-Py and have used the --preserve-exchange-records command to retain credential exchange records after completion. However, it seems that this command only retains records from the ...
- 1
2
votes
1
answer
82
views
Create and get pseudonym of a transaction of credential issue using Hyperledger Indy
I am trying to dive deep in this example of Hyperledger Indy about how to issue a credential. Basically, an "author 1" creates a schema definition and stores it in the ledger. Then this ...
- 581