prysm-pulse/sharding/README.md

Prysmatic Labs Main Sharding Reference

Table of Contents

• Sharding Introduction
  • Basic Sharding Idea and Design
• Roadmap Phases
  • The Ruby Release: Local Alphanet
  • The Sapphire Release: Ropsten Testnet
  • The Diamond Release: Ethereum Mainnet
• Go-Ethereum Sharding Alpha Implementation
  • System Architecture
  • System Start & User Entrypoint
  • The Validator Manager Contract
    • Necessary Functionality
      • Depositing ETH and Becoming a Validator
      • Determining an Eligible Proposer for a Period on a Shard
      • Withdrawing From the Validator Set
      • Processing and Verifying a Collation Header
    • Validator Sampling
    • Collation Header Approval
    • Event Logs
  • The Validator Client
    • Local Shard Storage
  • The Proposer Client
    • Collation Headers and State Execution
  • Peer Discovery and Shard Wire Protocol
  • Protocol Modifications
    • Protocol Primitives: Collations, Blocks, Transactions, Accounts
    • The EVM: What You Need to Know
  • Sharding In-Practice
    • Fork Choice Rule
    • Use-Case Stores: Proposers
    • Use-Case Stories: Validators
    • Use-Case Stories: Supernodes
  • Current Status
• Security Considerations
  • Not Included in Ruby Release
  • Bribing, Coordinated Attack Models
  • Enforced Windback
    • Explicity Finality for Stateless Clients
  • The Data Availability Problem
    • Introduction & Background
    • On Uniquely Attributable Faults
    • Erasure Codes
• Beyond Phase 1
  • Cross-Shard Communication
    • Receipts Method
    • Merge Blocks
    • Synchronous State Execution
  • Transparent Sharding
  • Tightly-Coupled Sharding (Fork-Free Sharding)
• Active Questions & Research
  • Separation of Proposals & Consensus
  • Selecting Eligible Validators Off-Chain
• Community Updates & Contributions
• References