2024-08-24

Basic Info

• Time: 18:00  Every Friday PST (UTC-7)
  Please download and import the following iCalendar (.ics) files to your calendar: https://zoom.us/meeting/tJwkc-2oqDgsE9RLmd0AwOltrBhSKjG3jEnp/ics?icsToken=98tyKuCgpz8uGtKWthCHRow-HY-gLPTwpnZdj_pvsBLhUwFETQ_iJMBKAZl1N4va

• Meeting links:
  • zoom (us) https://zoom.us/j/98944063690?pwd=RmVONnllYkZnejJkaGpUblE4dUwzUT09
  • zoom(cn) https://zoom.com.cn/j/98944063690?pwd=RmVONnllYkZnejJkaGpUblE4dUwzUT09
• Project Wiki Page https://lf-hyperledger.atlassian.net/wiki/display/cello/
• In Process issues https://github.com/hyperledger/cello/projects/1#column-6892634
• User dashboard API: ;
• API-engine API docs: Cello API-Engine API
• Agent API: 
• Add wikipage: https://github.com/hyperledger/cello/wiki/Debug-cello-by-container
• Start service workflow is up to date: https://github.com/hyperledger/cello#quick-start

Attendee

Please input your name before the meeting 

• Baohua Yang: yangbaohua@gmail.com
• Xichen Pan: xichen.pan@gmail.com
• feng yang : fengyang.09186@h3c.com
• panhaowen789: panhaowen789@gmail.com
• Xiao Ran : xiaor2@illinois.edu
• Yun Gu :nerokucn@gmail.com
• Haibo Yang : haiboyang@uscb.edu
• haoyu li : haoyuli1697@gmail.com

Agenda&Minutes

PR this week

• • https://github.com/hyperledger/cello/pulls
• Release plan 1.1.0 Q3 of 2024
  • chaincode (wait till channel can add org):  feng yang will draft a design spec first
    • UI behavior design of chaincode lifecycle: Xichen Pan feng yang 
      
      • Chaincode frontend design: Chaincode Frontend Design: Approved.
      • Xichen Pan lead the backend API discussion.
    • Backend API Design: Yuanmao Zhu 
      • Chaincode v2 API Spec
    • FE Implementation: Code is done. Issue: connect  to  BE.
      • feng yang Xichen Pan will lead. Xiao Ran will continue to work on the OSS project in 2024
      • Xichen Pan has done the dashboard page, split based on operations to let interns join the work. https://github.com/umijs/umi
    • BE Implementation:  ETA 4 PW, yun gu, xiao ran
      • part 1 to test APIs: yun gu will continue and check how many APIs are left.
      • part 2 to fix the implementation.
      • Yuanmao Zhu Xichen Pan will lead. Yun Gu panhaowen789 
      • Yuanmao Zhu will have one API work as a sample, split the work based on APIs to let interns join the work.
    • package, install, approve, commit, invoke/query
• feng yang : https://github.com/hyperledger/cello/issues/602, need to add the design spec in sep.
• Yuanmao Zhu : on leave, working on https://github.com/hyperledger/cello/pull/629/files.

• Xichen Pan :

  • Working with Xiao Ran for the install issue: https://github.com/hyperledger/cello/issues/621. Test to run commands with peer cli.

  • Focus on class in Aug, will graduate in Nov.
• Xiao Ran : absent
• feng yang suggest revise the creating peer node API:
  • Only create one peer with the specified name
  • Yuanmao Zhu will help fix the issue
• feng yang  suggests:
  • When downloading channel config, remove the hint of downloading succeed
  • When creating channel, no need to edit orderer nodes
  • When updating the channel (add an org), why need to input the msp_id? Need to update the steps into docs.
• Intern plan: Project Plan - Decentralized Blockchain Network Operation Dashboard
  • Haibo Yang: 
    • upgrading node js to v20, and remove netlify-lambda lib.
    • Docker image for HLF v2.5 (latest is v2.5.9): update all required images
    • Proposed to let users upload code base to do package.
    • https://github.com/hyperledger/cello/pull/627: Suggest upgrade node.js to 20+, lots of changes are needed. https://github.com/hyperledger/cello/pull/628
      • The https://www.npmjs.com/package/netlify-lambda is deprecated, need to replace to https://github.com/netlify/cli.
    • small size pr, contribution guideline: https://github.com/hyperledger/cello/wiki/Contribution-Process
    • https://github.com/hyperledger/cello/pull/630
    • https://github.com/hyperledger/cello/pull/631
    • yarn vs npm: yarn is quicker than npm, recommend to use yarn.
  • haoyu li 2nd year master of UIUC, still reading the docs.
    • Hyperledger Fabric, Cello (create, operate, use)
    • Reading code from BE side
    • Plan to propose a PR.
    • Test all backend APIs with haibo's new v2.5 image.
    • Haoyu will learn HLF's operation lifecycle: https://hyperledger-fabric.readthedocs.io/en/latest/create_channel/create_channel_participation.html#prerequisites.
    • A good start: NPM to YARN
• Hyperledger Maintainer Days on Oct 21-22 in San Francisco
  • Xichen Pan Haibo Yang may attend.
• Wiki issue of permission error: contact ry <rjones@linuxfoundation.org>
• Will move wiki to github wiki: https://github.com/hyperledger/cello/discussions/categories
• New Fabric Cli RPC Server Yuanmao Zhu : Use restful API first (to replace the rpc call, which is good for large-scale)
  • arch: https://excalidraw.com/#json=KOxuJqTyxXY2cpuFHDnFj,qJqkiXqeu38C4u2-zms-1w
  • requirement:
    • api-engine client - RPC Server communication
    • lib: gRPC
    • API design
    • Container config
    • Todo: check different SDKs and decide language for the server
  • Questions:
    • API Engine can use restful API to call the fabric operator? YES
    • The operator will use which SDK?
• Others
  • TODO: update HLF version from 2.2 LTS → 2.5 LTS
    • HLF 2.5.0 is released.
  • TODO: integrate hlf-operator into Cello as the k8s agent.
    
    • feng yang mentioned that the release-0.9.0-h3c branch may contain some k8s APIs and code