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
2
votes
2 answers
Visual Studio Code does not recognize OpenSSL that is already installed [ibp-vscode-extension]
I want to start using the IBM Blockchain Platform extension in Visual Studio Code 2017 using Windows 10.
After installing the extension, the prerequisites page informs that OpenSSL is not installed. However, I confirmed that OpenSSL is already…
miribeiro
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2
votes
1 answer
How is blockchain technology better for food traceability than just a normal database?
I've been watching some videos from IBM, Walmart and Ripe.io about the use of blockchain technology in food traceability and safety. It seems to me that there are a lot of buzzwords and vague claims in every single video on the topic of blockchain,…
Magnus
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2
votes
2 answers
Modify existing endorsement policy (Hyperledger Fabric)
I had 2 organization in Hyperledger Fabric blockchain network initially. Recently I added one more organization on a different host using swarm. When I try to invoke chaincode from 1st or 2nd organization then it's working fine and I can see the…
Anurag
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2
votes
1 answer
In Hyperledger Fabric, What is difference between "Org1MSP.member", "Org1MSP.peer", "Org1MSP.admin","Org1MSP.client" in endorsement policy?
We are using Hyperledger fabric to develop an application.
In the endorsement policies, we are seeing multiple options like below
Org1MSP.member
Org1MSP.peer
Org1MSP.client
Org1MSP.admin.
What is the difference and what benefits it is giving in…
Seetharaman GR
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2
votes
1 answer
configure confixtx.yaml file?
I'm trying to build a Hyperledger Fabric network with the following
Smartforce[Orderer Org]
Falcon.io [ORG1]
Frost.io [ORG2]
I have generated all cryptographic materials using cryptogen tool.
now looking to build gensis block using configtxgen…
Ashu_FalcoN
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2
votes
1 answer
Unable to join Anchor Peer after updating the Channel in Hyperledger Fabric
The blockchain network has initially 3 orgs. I want to add another org to the network. Therefore I first update the channel configuration containing the required information on that org. After the update it is not possible to join the anchor peer of…
B. Chain
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2
votes
2 answers
Error: The module ...was compiled against a different Node.js version using NODE_MODULE_VERSION 57. This version of Node.js requires
I'm having a lot of trouble trying to solve this error.
so, first of all, I'm trying to use hyperledger composer and when I Run composer it throws the following error :
composer
internal/modules/cjs/loader.js:718
return process.dlopen(module,…
Paris Mollo
- 23
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- 4
2
votes
2 answers
Implementing ACL in Hyperledger Fabric v1.2
I am trying to implement ACL in Hyperledger Fabric. I have tried my custom policy with peer/proposal and its working fine.
My question is What resource to use if I want to prevent peer chaincode install, peer chaincode instantiate, peer channel…
Debut Infotech
- 472
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2
votes
1 answer
Hyperledger Fabric ACL in configtx.yaml
Please have a look into my issue .I am using hyperledger fabric 1.2 . I am exploring ACL at the time of channel creation. I just copied default Writers Policy and rename it with PankajPolicy and put into the Channel.Application in configtx.yaml see…
Debut Infotech
- 472
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2
votes
1 answer
Adding peers to the Fabcar Network - Hyperledger Fabric
I tried to extend the fabcar network to 2 peers running on the same system. I encountered some errors.
I made the following changes to the docker compose file.
peer1.org1.example.com:
container_name: peer1.org1.example.com
image:…
Surya Suresh
- 41
- 3
2
votes
1 answer
Hyperledger Fabric - Understanding and Altering the fabcar network
I am trying to modify the fabcar network to run my own chaincode. The first thing that I did was replace the fabcar chain code with my own. However, I do not wish to do this every time. Is there a way of modifying paths to point to the required…
Surya Suresh
- 41
- 3
2
votes
3 answers
ssl_transport_security.cc:599] Could not load any root certificate
I try to create my own network with hyperledger compposer/fabric (v0.19.0)
The network build seems to be good but when I do a
composer network install ...
I got this error :
Composer Install....
⠹ Installing business network. This may take a…
Cocorico
- 1,998
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2
votes
1 answer
Hyperledger Composer - Instantiation Chaincode Error
I'm currently using HL Composer [v0.18.2] to be able to interact with the IBM Blockchain Platform (Starter Plan) on IBM Cloud.
I executed the following steps:
Created 4 Organization with 1 peer for each one
Created a new channel
Joined the channel,…
Leonardo Carraro
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2
votes
3 answers
Advantages and limitations of hyperledger composer over fabric?
What are the advantages of developing on hyperledger composer over hyperledger fabric ?
Also the limitations or things not supported by composer which is available in fabric ?
Robert Ravikumar
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2
votes
1 answer
Setting up Hyperledger Fabric Application with IBM Cloud
I have developed application using Hyperledger Fabric, also have installed Chaincode on IBM Cloud and created channels. I am not sure how can I connect html to IBM Cloud (My SDK is ready and all the controllers are set up).
Tabz
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