dlcspecs/meeting/meeting_april_6_2021.md

April 6th (7 PM CST)/7th (9 AM JST) Meeting 2021

Individual Updates (Sync)

• #Query(Nadav)
  • Implemented Disjoint Union DLCs
  • Implemented General Payout curves
  • Numeric + Mulit-Oracle cleanup and diagrams
• #Query(Ben)
  • Oracle GUI Stuff
• #Query(Tibo)
  • Multi-Oracle in rust-dlc
  • Porting logic from old code to rust
• #Query(Lloyd)
  • Thinking about collisions and security
• #Query(Chris)
  • Oracle Explorer stuff
• #Query(Antoine)
  • Digging into non-interactive protocol and free options
• #Query(Jesse)
  • ECDSA Adaptor Sigs got merged into secp-zkp!
  • Beginning work on FROST
• #Query(Matt)
  • Finished adding TLV code to js codebase
  • Reviewed general payout curves
  • Began digging into second-layer stuff, free options
• #Query(all)

Secp256k1 Progress

#Query(Jesse, Lloyd)

• ECDSA Adaptor Signature PR was merged!
  • https://github.com/ElementsProject/secp256k1-zkp/pull/117
• Bindings time

Good Newcomer Issues

Same as last time, only cover if there's interest.

#Query(all)

• Dust Limit Computation Algorithm
• Linking Between Specification Files
• Linter and CI
• Making prev_tx Optional During Contract Negotiation

Specification Writing

#Status_Update_Interrupt

• Multi-oracle support
  • https://github.com/discreetlogcontracts/dlcspecs/pull/128
  • Includes renaming and diagram refactor
  • Just needs reference links and maybe an example or two here and there
• Hyperbola curve piece support
  • https://github.com/discreetlogcontracts/dlcspecs/pull/144
  • Under review, nearly done (only small changes left)
• Merged transaction diagrams
  • https://github.com/discreetlogcontracts/dlcspecs/pull/151
• Fraud proofs
  • https://github.com/discreetlogcontracts/dlcspecs/pull/152
  • Under review
• Merged numeric outcome DLC refactor
  • https://github.com/discreetlogcontracts/dlcspecs/pull/157
• Began work on adaptor point document
  • https://github.com/discreetlogcontracts/dlcspecs/pull/158
  • Paused while we figure out attestion scheme
• If anyone is interested it would be nice to document loss-of-fund vectors
  • https://github.com/discreetlogcontracts/dlcspecs/issues/132
• TLV definition refactor
  • https://github.com/discreetlogcontracts/dlcspecs/issues/141
• UX Discussion surrounding long and non-cooperative contract handshake
  • https://github.com/discreetlogcontracts/dlcspecs/issues/155

Security Proofs Update

#Query(Lloyd)

• Multi-oracle security
• Single-oracle multi-nonce security

Oracle Specifications

#Status_Update

• Oracle JSON format
  • https://github.com/discreetlogcontracts/dlcspecs/pull/150
  • Just needs solution for validating announcement signatures
• Client-side oracle validation specification
  • https://github.com/discreetlogcontracts/dlcspecs/pull/120
  • Good for merge?
• Oracle Event Timestamps Discussion
  • Current proposal is to replace u32 timestamp on oracle_event with a TLV which can either be u32 : expected_time or u32 : earliest_expected_time, u32 : latest_expected_time.
  • Does anyone disagree with this?
  • #Discussion
• Oracle Attestation Computation Change Proposal
  • #Query(Lloyd)
  • #Discussion
• Oracle Announcement/Attestation Upgrade Discussion
  • #Discussion
• Re-usable announcement pieces
  • #Discussion