Taraxa Weekly Tech Update: 2019 Week 44

Justin Snapp
Nov 5 · 2 min read

This week was both SF Blockchain Week and also the week we released our second monthly update, “Aphrogenes”, to our Taraxa testnet. I encourage you to read more about it.

Taraxa Explorer

  • Added check for missing data due to interruption in connection to node
  • Enhanced logging system
  • Fixed integration bugs in dockerized deployment
  • Added corresponding DAG graph in Block page and highlight selected block in DAG
  • Added segmentation lines for levels in DAG graph
  • Added segmentation lines for periods in DAG graph
  • Removed ancestor nodes in DAG graph if missing data in explorer
  • Fixed connection status
  • Fixed layout bugs in mobile

Taraxa Full Node Codebase

  • Added persistent mapping from DAG blocks to PBFT period to correctly report period on any RPC request for a block
  • Added persistent mapping from PBFT period to PBFT schedule blocks
  • Created new RPC method fro pulling schedule blocks per period
  • Refactored database access to only use lower level interface
  • Modified block and transactions memory cache implementation for new database interface
  • Integrated VDF (Verifiable Delay Function) into node codebase
  • Created VDF unit tests
  • Began implementation of VDF + VRF Proof-of-Stake based DAG block proposer scheme

PBFT Consensus and Execution Schedule Layer

  • Implemented PBFT chain syncing with bundles of cert votes
  • Added cert votes into database when syncing PBFT chain
  • Implemented cert vote verification during PBFT chain syncing
  • Modified database access to only use lower level interface
  • Worked on new replay protection scheme to extend Ethereum based transaction nonces

Stay tuned.


Taraxa Project

Blockchain platform designed to enable the future machine to machine economy.

Justin Snapp

Written by

CTO of Taraxa, a fast, scalable, and device-friendly public ledger designed to help IoT ecosystems become more trusted, autonomous, and valuable.

Taraxa Project

Blockchain platform designed to enable the future machine to machine economy.

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