fabric@lists.hyperledger.org

Where i can find documentation about HL-Fabric protobufs structure and GRPC communications between nodes? #fabric #grpc #network

I'm looking for documentation or just detailed description in some form of fabric protobuf structure and usage. Nodes communicate to each other using GRPC, but it's not clear what exactly they sending

By Aleksandr Kochetkov · #7312 ·

Re: #fabric #raft Orderers and organization, how to organize them? #fabric #raft

Hi all, I cannot say why this is considered as the "best practice... I was merely trying to summarize what Joe was explaining to me. But I don't have the give a good explanation to you. Sorry

By Jean-Gaël Dominé <jgdomine@...> · #7311 ·

Peer Failed connecting to Orderer: Channel created but Peer is not connection to Orderer and unable to retrieve blocks from ordering service. #fabric-sdk-node #docker #raft #consensus #cal-notice

We are not using CLI. We are creating channel using Node SDK and creating infrastructure using shell script. We are using Raft consensus with 5 orderer and Raft cluster is working fine. Orderers

By Akshay Soni · #7310 ·

Re: Is there a way to block chaincode access for SDK? #fabric-chaincode

No, we need the data to exist in all the nodes in network. No hiding required. Can you elaborate a little on how do you suggest to use private data here? Id you're thinking about some special

By Prasanth Sundaravelu · #7309 ·

Re: problem creating channel: 0 sub-policies were satisfied, but this policy requires 1 of the 'Writers' sub-policies

Hello Siddharth, Thank you for the detailed log. I had faced same issue. As mentioned in the log, "DEBU 521 0xc0005f9180 identity 0 does not satisfy principal: The identity is not an admin under this

By Adhav Pavan · #7308 ·

Re: Is there a way to block chaincode access for SDK? #fabric-chaincode

Prasanth, did you check for private data collection implementation in the chaincodes? Regards, Mayank Tiwari.

By Mayank Tiwari · #7307 ·

Re: Is there a way to block chaincode access for SDK? #fabric-chaincode

Thanks for quick reply! I will try those suggestions. I had thought separating these chaincodes could help manageability more and might increase development pace. Although you make a valid point, I

By Prasanth Sundaravelu · #7306 ·

Re: Is there a way to block chaincode access for SDK? #fabric-chaincode

Each chaincode corresponds to a differentnamespace, and has a different endorsement policy. Software engineering idioms such as"separation of business logic from tech logic" should never bea reason

By Yacov · #7305 ·

Re: Proposal : Hyperledger Fabric block archiving

Hi Atsushi, My response in blue in-lined text… Thanks, Manish

By Manish · #7304 ·

Is there a way to block chaincode access for SDK? #fabric-chaincode

Hi Guys, I've been trying to separate one big chaincode into multiple chaincodes and also for separating business logic from tech logic. Here, the tech logic service (eg: EncryptAndSaveState) needs

By Prasanth Sundaravelu · #7303 ·

Re: Proposal : Hyperledger Fabric block archiving

All I wanted to say here is that, it would be good if someone wants one of the peers file to act as a repo as well…. in other words, it still has all what a repo offers and code will be outside core

By Manish · #7302 ·

Re: problem creating channel: 0 sub-policies were satisfied, but this policy requires 1 of the 'Writers' sub-policies

below is our truncated logs 2019-12-02 09:42:46.771 PST [policies] Evaluate -> DEBU 4d3 == Evaluating *policies.implicitMetaPolicy Policy /Channel/Application/ChannelCreationPolicy == 2019-12-02

By Siddharth Jain · #7301 ·

Re: problem creating channel: 0 sub-policies were satisfied, but this policy requires 1 of the 'Writers' sub-policies

Hi Siddharth, This error is caused by a certificate problem. You can investigate further by checking your orderer logs. This stack overflow post:

By Nikhil Gupta · #7300 ·

Re: fabric node sdk vs java sdk

I don’t have definite answer, like side by side comparison. But I am working very fine with node sdk, especially when my middle tier application, and front end app are (everything in Typescript). I

By Ross Tang <tangross@...> · #7299 ·

Re: fabric node sdk vs java sdk

Hello - both SDKs have the updated programming model. Both have the same features, and able to support the same Fabric use-cases. It's possibly more important to consider the development

By Matthew White · #7298 ·

fabric node sdk vs java sdk

Hello, Are there any recommendations around which fabric sdk should be used(node sdk vs java sdk) for various hyperledger fabric blockchain use cases. Are there any guidelines for choice of SDK

By Medha Kamalakar <medha_Kamalakar@...> · #7297 ·

Query on fabric NodeJS versioning #fabric-sdk-node

Hi All, Is there any recommendation for fabric Node JS SDK version to be used for a specific fabric version running on the network peer/orderer/ca nodes. For example, if my fabric network is running

By shrugupt@... · #7296 ·

problem creating channel: 0 sub-policies were satisfied, but this policy requires 1 of the 'Writers' sub-policies

we get the error below when trying to create a channel using the peer CLI2019-11-30 20:53:15.482 UTC [orderer.common.broadcast] ProcessMessage -> WARN 00c [channel: mychannel] Rejecting broadcast of

By Siddharth Jain · #7295 ·

Re: Hyperledger Fabric GitHub Migration

After 4 years, we're back home where we started. Thanks!

By binh nguyen <binh1010010110@...> · #7294 ·

Migration from Gerrit: Help with JQ and Git needed

All, I have exported all of the git data from Gerrit (except for the fabric-test repo, which is still undergoing development). I have also exported the comments and the like as JSON. I've set up a new

By Ry Jones · #7293 ·

Messages