09/25

Announcements

• The Hyperledger Technical Steering Committee (TSC) election will happen from the 26th of September until the 10th of October.

• Read the candidate statements from the TSC election candidates here.

• All meetings will now have passcodes - check your email for updated invites.

Code & Projects

Hyperledger Labs Solang: A Solidity WASM compiler written in Rust

• v0.1.4 is now available

  • All major Solidity features implemented.

Hyperledger Besu

• v1.5.5 is now available

  • The new version of the web3js-eea library (v0.10) supports the onchain privacy group management changes made in Besu v1.5.3

  • Added debug_getBadBlocks JSON-RPC API to analyze and detect consensus flaws

  • Fixed a long-standing issue with getting logs. This will be helpful for people wanting to validate Eth2 deposit contracts off Goerli with Besu.

Hyperledger Fabric

• v2.2 Tech Preview 1 for the Rust Smart Contracts API is now available

  • Run WASM chaincode in Fabric v2.2

  • Getting Started Video

  • Getting Started Guide

  • API Documentation

Noteworthy Pull Requests

Hyperledger Ursa

• New Feature: Initial Go wrapper for Ursa

Hyperledger Fabric

• New Feature: Adds CLI commands for the list, join, and remove channel participation APIs

Hyperledger Cello

• New Feature: Add Hyperledger Fabric image to run Fabric nodes including peer, orderer and CA

Articles, Training & Tutorials

• Verifiable Credentials Aren't Credentials. They're Containers. by Timothy Ruff

Events

• Hyperledger Labs Webinar: Umbra

  • Register here: https://bit.ly/HyperledgerUmbra

  • This webinar showcases Umbra, an emulation tool for Hyperledger blockchains. It will introduce Umbra, familiarize users with installing Umbra and getting their first Fabric network up and running and doing simple examinations of the network layout and packet flows and some simple debugging to confirm that the network is running. Umbra helps understanding Fabric, to examine the running system and give its users the ability to observe Fabric doing what it does. Discussing the Umbra related Hyperledger internship projects 2020, the webinar will explain how Umbra can realize network fuzzing features and scale to multiple servers.

• Blockchain State of the Union for Developers and Technical Leaders 

  • Register here: http://ibm.biz/BlockchainEvent10-21

  • Join industry leaders in a blockchain discussion for developers.  Learn what developers should understand and know about blockchain and Hyperledger Fabric from Steve O'Grady founder of RedMonk. Hyperledger Executive Director, Brian Behlendorf will also join the conversation.

Upcoming Project Maintainer Calls

2020-09-25

• Fabric Documentation Workgroup call - Eastern hemisphere

• Fabric Documentation Workgroup call - Western hemisphere

• Aries JavaScript Meeting (Weekly)

2020-09-26

• Cello Weekly Meeting

2020-09-28

• Blockchain Automation Framework Contributors

• Cactus Maintainers

2020-09-29

• Private Chaincode Lab

• Indy Contributors Call

• Fabric samples workgroup

• Besu Contrubutor Call EMEA/AMER

2020-09-30

• Ursa Biweekly Meeting

• Fabric Contributor Meeting

• ACA-Pug Meetings

• Aries WG B Call

• Caliper Contributors Meeting

• Interledger Community Call

2020-10-01

• Cactus Contributors Western Hemisphere

• Fabric Application Developer Community Call

• Fabric SDK Python Meeting