Community Update 61

General

• Sprint and Release
  • 2-week sprint ends March 4 Priorities: consensus stability, wallet and cost accounting implementation, blockstore refinement
  • RNode v0.8.4 release delayed by  RCHAIN-2909 - Fix InvalidParents error Done  . Plan to release at the end of the current sprint. RNode-0.8.4 release plan
• Mercury requirements and acceptance criteria
  
  • Please see documentation at https://github.com/rchain/rchain/blob/dev/docs/features.md. 
• Test net status
  • A public test net is not yet available. 
  • A view of the issues blocking launch of a public test net is available here.
  • Please see RChain public testnet information to learn about the rollout plan for launching the public testnet as well as a FAQ.

Block storage

• Work in progress to fully implement the block store solution.
  • PR in for decoupling the BlockStore from BlockDagStorage as this caused failures in integration tests.  RCHAIN-2938 - Complete delivery of the Blockstore Done
  • PR in for purging the CasperState as a way to both help resolve out of memory errors in node and to help sync file based storages.  RCHAIN-3009 - Purge CasperState Done

Consensus

• Reimplemented block merging.
• Fixes to support debugging of blockstore

  Key	Summary	T	Status	Resolution
  RCHAIN-3047	Remove block store use from Validate.blockNumber		Done	Done
  RCHAIN-3046	Remove block store use from Validate.sequenceNumber		Done	Done

  2 issues

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• Per Validator Incentives and Casper removing joining fees for validators. Work continues to finalize decisions in the rest of the document.  RCHAIN-2410 - Remove joining fees from MakePoS contract Done
• Work in progress to investigate challenges with validator bonding observed during 20190226 RNode community testing.

Cost accounting

• Work in progress to implement common cost accounting across different layers of the platform: reducer, spatial matcher, and RSpace match component. Work described in 

  Key	Summary	Status	Resolution
  RCHAIN-3022	Introduce F in IStore	Done	Done
  RCHAIN-2995	Partner to support RChain-2883	Done	Done
  RCHAIN-2993	Document what is included in a deploy	Done	Duplicate

  3 issues

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Node

• Collaboration with SRE team to reconcile metrics reporting in the performance test harness 
• Investigating challenges with peering observed in 20190226 RNode community testing in  RCHAIN-3036 - It's hard to add peers when node is busy with Casper. But not having peers makes catching up slow: fairness in comm layer Done  Proposal to address by adding more threads and dedicating one to peering and one to Casper.

Test infrastructure and performance testing

• Debugging differences in reporting observed in Prometheus and InfluxDB in the performance test harness.
• Work in progress to build out the infrastructure and support systems for the public testnet. This week's focus is orchestration in the cloud environment.

Wallet

• Work in progress to deliver the wallet feature. Work described in 

  Key	Summary	Status	Resolution
  RCHAIN-3182	Update HashSetCasperTest genesis block to use RevVault	Done	Done
  RCHAIN-2988	Research tools to implement REV address	Done	Done
  RCHAIN-2967	Implement the tools to create/parse REV Address	Done	Done
  RCHAIN-2966	Design and implement the lockbox	Done	Done
  RCHAIN-2964	Develop and Implement the REVMint	Done	Duplicate
  RCHAIN-2962	Design and implement the REV Vault	Done	Done
  RCHAIN-2961	Develop and implement the Purse	Done	Done
  RCHAIN-2972	Develop an integration test for Alice pays Dave for ice cream	Done	Done
  RCHAIN-2970	Develop an integration test for unlocking a wallet using the lockBox	Done	Duplicate
  RCHAIN-2969	Develop an integration test for bootstrapping a wallet	Done	Duplicate
  RCHAIN-3125	Revisit purse overflow in wallet/vault contract	To Do	Unresolved
  RCHAIN-2971	Develop an integration test preventing replay	To Do	Unresolved

  12 issues

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Developer website

• https://developer.rchain.coop