Common Patterns

## Mike's notes

• Mutating Private State Variables via Private Functions
  • Mutating your own state
  • Mutating someone else's state
• Completing Partial Notes in Public Functions
• Escrow Patterns
• TransferFrom Patterns
• Shared Private State
  • Shared Account Contracts
  • MPC
  • CoSnarks (see dedicated section later)
  • FHE coprocessors
  • Threshold Plume
• Verifying a Noir Program in an Aztec Contract
  • Explain when this primitive is useful
  • UH verifier
  • Code examples