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
0
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1 answer
Granting access to IBM Blockchain 2.0
trying to grant access to an IBM Blockchain 2.0 instance to another user. The access policies look like:
But the user gets this error message:
What am I missing? Something obvious?
Thanks,
Andy
ayang
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During the ordering phase, mutiple transactions are batched together. How does the ordering and batching happen?
i had a query regarding the ordering service of Hyperledger fabric. If the transactions are linked to one another and it takes time for one transaction to get completed. For example, a delivery system on blockchain.
If the order delivered block…
salauddin ali ahmed
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issue in Downloading Platform-specific Binaries
I want to download Binary files for running Hyperledger Fabric. I am trying to execute this command. I am behind proxy too.
Also I have docker Installed, OS being used Win 10.
export HTTP_PROXY=http://172.16.30.30:80/
export…
Ankit Singh
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Hyperledger Fabric 1.4: Error Instantiating Chaincode (Node) with Internet Connectivity
The problem in hand is that we want to deploy a blockchain network on a server that is not connected to the internet.
When Instantiating the chaincode on a Peer it fails as it requires the fabric-shim package to be downloaded which is used for the…
Faisal
- 403
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- 18
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1 answer
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1 answer
Build failing while deploying Perishable network on IBM cloud Blockchain starter plan
nvm_tree_contains_path /home/pipeline/.nvm /home/pipeline/.nvm/versions/node/v8.15.1
'[' -n 'Now using node v8.15.1 (npm v6.4.1)' ']'
nvm_echo 'Now using node v8.15.1 (npm v6.4.1)'
command printf '%s\n' 'Now using node v8.15.1 (npm v6.4.1)'
node…
vanita siraparapu
- 31
- 4
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1 answer
Properly defining ACL rules for hyperledger-composer for inter resource access
I have this structure in my model.cto file :
namespace org.gov.budget
asset Tax identified by Id{
o String Id
--> TaxPayer payer
o Double amount
o Integer year
o Boolean processed
}
asset BudgetAccount identified by Id{
o String Id
o…
Vivek Dehariya
- 59
- 1
- 6
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1 answer
getStateByPartialCompositeKey is retuning me object which is non iterable
A sample code
let
keyIter = ctx.stub.getStateByPartialCompositeKey(this.name, strkey);
console.log("keyIter"+ keyIter);
I created composite keys via 2 keys and I am able to see the record in Couch DB. However while trying to get the entire list…
Pankaj Tripathi
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- 1
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1 answer
IBM Blockchain 2.0 (beta) does not detect cluster
I am trying the new IBM blockchain service on bluemix. It requires a kubernetes cluster.
Following the link provided, I created a new cluster (free tier, expires in 30 days).
My cluster is up and "running":
However, getting back to the procedure of…
Itération 122442
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How to upload image on hyperledger composer playground?
I am trying to build a Block chain application for distributed image sharing and copyright protection. I am using image as an asset.
So now I want to upload an image on Hyper ledger Composer playground. How can I do that?
ayush_7
- 13
- 4
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votes
1 answer
Does HLF 1.2 service discovery work with HLF 1.1 peer?
I have a network stuck on 1.1 IBP Enterprise with a peer on cloud. I have another 1.2 peer on a different machine on-prem.
I read about the new Fabric 1.2 service discovery functionality, which sounds very handy. As I understand, this will allow me…
atkayla
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2 answers
IBM Blockchain - Simple Application
Alright, I need to develop a simple application in an IBM Blockchain(starter plan). But I can't get it done, after almost 1 month of trial and error and thousands of tutorials.
So, my case is really simple(I guess):
I have a models.cto…
lat94
- 511
- 1
- 5
- 18
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1 answer
How to create new organisation and peers in Hyperledger Fabric?
I am using first-network sample to build my fabric network. By default it provides 2 Organisations with 2 peers for each Org. I want to create new Organisation and add more peers to these Organisations. What are the steps involved in doing this?…
Lalith
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- 1
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Regarding Hyperledger Explorer
I am struggling to connect Blockchain Explorer to a custom network(Or to Block Acivity Page) that I created with Fabric configure Hyperledger Explorer.
My problem is to write correctly all info in the connection.json file. Can somebody help me by…
kalai
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- 1
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1 answer
Making a development and deployment environment for blockchain applications. Tools needed
I would like to learn a little bit from Blockchain and I need to make an university task based on this question.
The main idea is to conceptually learn about what should an environment need to develop and deploy the blockchain solutions.
My…
