hyperledger-composer Questions

10

Solved

I have the following Dockerfile: FROM ubuntu ENV NPM_CONFIG_LOGLEVEL warn ENV admin_user="PeerAdmin" network_name=$1 version=$2 hversion=hlfv1 fabrik_path=/fabric-tools project_dir=$(pwd...

2

I am doing this tutorial: https://hyperledger.github.io/composer/latest/installing/development-tools Now i want to start the hyperledger fabric with ./startFabric.sh but then I get this error: da...

4

I am trying to install hyperledger composer on my machine Ubuntu 18.04 I am getting the below error Error: Ubuntu bionic is not supported hyperledger composer Anyone help me how to solve this...
Deanedeaner asked 23/5, 2018 at 8:31

8

I've experiencing a bunch of warnings when trying to compile after installing Angular Material (whether directly from npm or via ng add @angular/material and whether I choose to use the animations ...
Meadowlark asked 2/6, 2019 at 17:6

4

I'm trying to issue an identity by composer identity issue -p hlfv1 -n bonusetis -i PeerAdmin -s password -u perelluis -x true -a perelluis But I get Error: fabric-ca request register failed ...
Libretto asked 4/7, 2017 at 11:59

8

Solved

I am java developer and new to hyperledger. I am interested in learning it and need to know where to start . fabric vs composer?

2

Hyperledger community in the article Hyperledger Fabric: A Distributed Operating System for Permissioned Blockchains shows that Fabric achieves end-to-end throughput of more than 3500 transactions ...
Inwardness asked 17/4, 2018 at 10:8

3

Solved

Hyperledger Composer is a platform for accelerating the development process of Business Network Application. Why is it deprecated and what are the alternatives to composer for development of BNAs? ...
Nickola asked 9/8, 2019 at 4:7

4

Hello I am tryin to use hyperledger fabric for a block chain implementation. I did the first-network demo and found lot of certificates in it. I have tried arranging them hierarchically in below pi...
Subauricular asked 28/9, 2017 at 9:10

2

Solved

I am a java developer and i have started learning hyperledger fabric . I am trying to do the setup for fabric node setup . I am not sure how to install cryptogen tool . Please help me .
Cumulus asked 4/8, 2017 at 5:35

4

Solved

I'm working on the latest rev of hyperledger-composer (V0.13) and have built a network with multiple roles, each of which can invoke selected transactions within the blockchain. I would now like to...
Soapstone asked 22/9, 2017 at 19:54

10

I'm trying Hyperledger Composer v0.16.0. According to this procedure, I want to Deploy BNA to Fabric network on cloud. but following error occurs. Kindly let me know how I can solve it. command: ...
Newbill asked 4/12, 2017 at 2:7

3

Solved

I have several questions: Why does hyperledger network need more than one orderer node? If I understand correctly, after nodes validate the transactions, they pass those transactions to an ordere...
Connie asked 17/10, 2018 at 16:5

3

Solved

I have tried "carauction-network" example in my local. But when I am starting the network by using "startFabric.sh" file, it is removing the Couch DB & again creating Couch DB, due to this old ...
Adanadana asked 3/1, 2018 at 3:37

2

Solved

Is it possible to measure Hyperledger composer network performance which runs on Hyperledger fabric using Hyperledger Caliper framework? If yes can you guide me how can I change the configuration t...

3

Solved

In Hyperledger we have something called a network admin and this admin will have access to all the cards and assets on the blockchain (at least I have tried to deny the admin access to assets using...
Pfennig asked 21/7, 2018 at 6:16

0

I am trying to wrap my head around authentication in hyperledger-composer using passport-local. I was searching online for API to use in the angular app (i.e. the interface between the angular app...
Huttan asked 3/8, 2018 at 12:42

1

Solved

My question is on access control in hyperledger fabric composer. Assume you have a business network, in which you have the following participants: Sellers (Potential) Buyers A seller is an em...

2

I want to use passport-local to authenticate user to login into composer rest server like other passport strategies ( e.g passport-github,passport-google). So first I try to set COMPOSER_PROVIDER...
Fishplate asked 14/9, 2017 at 10:43

3

Solved

After installing Hyperledger Composer cli from this page, I tried to call composer command but got this error: module.js:549 throw err; ^ Error: Cannot find module './api' at Function.Module._res...
Pelagic asked 10/4, 2018 at 2:15

1

Solved

I am following the tutorials of hyperledger composer at composer playground. In defining a business network, at some point after starting fabric, a PeerAdminCard is created by ./createPeerAdminCa...
Labored asked 22/4, 2018 at 2:51

2

Solved

How do I completely uninstall Hyperledger Composer (and underlying Hyperledger Fabric), including all dependencies, docker images and node/npm modules? I had followed the following setup while ins...
Battleship asked 21/1, 2018 at 9:45

1

Solved

I am following this simple tutorial to set up my dev environment . Everything goes fine until I trigger ./createPeerAdminCard.sh which gives error as below Development only script for Hyperledg...
Abuttal asked 8/2, 2018 at 20:16

3

Solved

Is fabric-composer supported on Windows? https://fabric-composer.github.io/tasks/prerequisites.html How can I get an invitation to the Slack channel? https://fabric-composer.github.io/support/inde...
Honky asked 2/2, 2017 at 18:37

2

I have a conceptual question. I'm performing async requests to Composer REST and I'm getting message: 'error trying invoke chaincode. Error: Peer has rejected transaction \'552b42fa4d2cfd366ff1b7d0...
Dogcatcher asked 27/7, 2017 at 10:0

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