OP Stack Specification

Isthmus Network Upgrade

Table of Contents

  • Execution Layer
  • Consensus Layer
  • Smart Contracts

Execution Layer

  • Pectra (Execution Layer):
    • EIP-7702
      • Span Batch Updates
    • EIP-2537
    • EIP-2935
      • EIP-2935 Contract Deployment
    • EIP-7002
      • The EIP-7002 predeploy contract and syscall are not adopted as part of the OP Stack.
    • EIP-7251
      • The EIP-7251 predeploy contract and syscall are not adopted as part of the OP Stack.
    • EIP-7623
    • EIP-6110
    • EIP-7685
  • L2ToL1MessagePasser Storage Root in Header
  • Operator Fee

Consensus Layer

  • Isthmus Derivation
  • Configurability

Smart Contracts

  • Predeploys
  • L1 Block Attributes