IBM Blockchain Platform provides a blockchain-as-a-service (BaaS) offering that allows blockchain components to be deployed in multiple cloud environments.
Questions tagged [ibm-blockchain]
249 questions
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How to integrate your custom hyperledger fabric network to front end?
I have created a custom network using hyperledger fabric by following the fabric docs and editing the configurations. I deployed my custom chaincode(to update and get the results from the ledger) also, and successfully enrolled the admin and user.…
Kshitiz Sharma
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2 answers
Retrieving properties of relationship through query
I would like to create a query which returns all the Requests (asset) in which the Container's (asset) owner's id is equal to the parameter.
Model file (owner of a container is a Company participant, identified by id):
namespace…
Lars
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Is AppII built upon private or public blockchain
As I was reading about blockchain application, I came across APPII, an online verification, career management, and recruitment platform.
Just wanted to know if is it possible to build an Dapps like this in Hyperledger Composer.
Is it(Appii) a…
Rahul Singh
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Sharing the details among two peers belonging to two different organizations in hyperledger fabric
I have two organizations which have a peer each, where Org1 takes some data and sends only selected data in it to Org2 for further processing, where they have only 1 channel.
there are no other organizations in the channel and only 1 channel is…
Kshitiz Sharma
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Hyperledger first network sample error
I am following this link first-network to run hyperledger samples name first-network.
I am using Ubuntu 18.04LTS
./byfn.sh -m generate got successfully executed.
When I am trying to execute ./byfn.sh -m up I am getting error
`2018-05-08 08:45:22.485…
Prakash P
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Allow participant full read access
I would like to give read access to all 'Person' participants working in a company, in which the company's type is "BORDER". The company type is an enum.
ACL:
rule NetworkAdminUser {
description: "Grant business network administrators full…
Lars
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How to extend Composer rest Server
I made a Hyperledger composer Network.
I want to see My function that have a query code.
for example,
My function' content is
/**
* @param {hansung.ac.kr.transaction.selectUserByCertificateName} tx - the member to be processed
* @transaction
…
a bc
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Hyperledger Explorer Error 12 UNIMPLEMENTED: service protos.Endorser
I am trying to run the Hypeledger Explorer for my blockchain network. I have followed the instructions almost word for word using the Hyperldger Explorer
But anytime I do the final call: ./start.sh --- I get a litany of errors
error:…
Ben Akin
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Hyperledger on IBM Cloud, chaincode launched and waiting for registration
Code
Currently I followed this article to develop my BNA to IBM blockchain cloud platform (started plan). Unluckily, I got the error when I try to run this line of code:
composer network start -c admin@mynetwork-fabric -A admin -C…
tim
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Hyperledger Fabric - invokeChaincode in NodeSDK returning [Object object]
I am trying to perform a query on a chaincode(cc02) from another chaincode (cc01), both residing on the same channel. When I try invoking the query function by calling stub.invokeChaincode(...), the command is returning a [Object object] instead of…
KBhokray
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Error trying to enroll user and return certificates
I am trying to deploy Hyperledger Composer Business Network to IBM Blockchain Platform BaaS on IBM Cloud. I used the following steps:
Create connection.json
Create composer card for admin identity
Import the card to composer
Request certificates…
Atul Satyajit
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4 answers
how many number of nodes we can create under hyperledger fabric
Is there any limit of creating number of nodes while configuring hyperledger fabric?
I have gone through the below answer but I'm not clear what he is explaining.
Limit of number of nodes in Hyperledger
When I say number of nodes, it could be number…
btc user
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3 answers
Error installing .bna file on ibm starter plan for blockchain
All these while I had been running my Hyperledger composer on AWS and it had been great so far with all the configurations setup.
But the starter plan has been launched by IBM like couple of days ago,
and I had tried following the configurations on…
Michael Leow
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Blockchain fabric samples: Latest chaincode not getting picked by by ./startFabric.sh
I am running Docker Toolbox on Windows. I have downloaded fabric samples from https://github.com/hyperledger/fabric-samples. Modified the fabcar chaincode.
The first time I ran ./startFabric.sh to bring up the local blokchain network, the chaincode…
nihal
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3 answers
Deploy API REST IBM Hyperledger Composer Blockchain
I'm developing a POC over IBM HyperLedger Blockchain. I have a business network developed and deployed in IBM Cloud. I can generate a working local API REST, but cannot make it work on cloud, on the deployed IP.
I'm following this…
AlexAcc
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