2023-08-17 Vac weekly

Vac Milestones: https://www.notion.so/Vac-Roadmap-907df7eeac464143b00c6f49a20bb632

Vac week 33 August 14th §

---

vsu::P2P §

vac:p2p:nim-libp2p:vac:maintenance §

• Improve gossipsub DDoS resistance https://github.com/status-im/nim-libp2p/pull/920
• delivered: Perf protocol https://github.com/status-im/nim-libp2p/pull/925
• delivered: Test-plans for the perf protocol https://github.com/lchenut/test-plans/tree/perf-nim
• Bandwidth estimate as a parameter (waiting for final review) https://github.com/status-im/nim-libp2p/pull/941

vac:p2p:nim-chronos:vac:maintenance §

• delivered: Remove hard-coded ports from test https://github.com/status-im/nim-chronos/pull/429
• delivered: fixed flaky test using REUSE_PORT https://github.com/status-im/nim-chronos/pull/438

---

vsu::Tokenomics §

• admin/misc:
  • (5 CC days off)

vac:tke::codex:economic-analysis §

• Filecoin economic structure and Codex token requirements

vac:tke::status:SNT-staking §

• tests with the contracts

vac:tke::nomos:economic-analysis §

• resume discussions with Nomos team

---

vsu::Distributed Systems Testing (DST) §

vac:dst:wakurtosis:waku:techreport §

• 1st Draft of Wakurtosis Research Blog (https://github.com/vacp2p/vac.dev/pull/123)
• Data Process / Analysis of Non-Discv5 K13 Simulations (Wakurtosis Tech Report v2.5)

vac:dst:shadow:vac:basic-shadow-simulation §

• Basic Shadow Simulation of a gossipsub node (Setup, 5nodes)

vac:dst:10ksim:vac:10ksim-bandwidth-test §

• Try and plan on how to refactor/generalize testing tool from Codex.
• Learn more about Kubernetes

vac:dst:wakurtosis:nomos:ci-integration_02 §

• Enable subnetworks
• Plan how to use wakurtosis with fixed version

vac:dst:eng:vac:bundle-simulation-data §

• Run requested simulations

---

vsu:Smart Contracts (SC) §

vac:sc::vac:secureum-upskilling §

• Learned about
  • cold vs warm storage reads and their gas implications
  • UTXO vs account models
  • DELEGATECALL vs CALLCODE opcodes, CREATE vs CREATE2 opcodes; Yul Assembly
  • Unstructured proxies https://eips.ethereum.org/EIPS/eip-1967
  • C3 Linearization https://forum.openzeppelin.com/t/solidity-diamond-inheritance/2694) (Diamond inheritance and resolution)
• Uniswap deep dive
• Finished Secureum slot 2 and 3

vac:sc::vac:maintainance/misc §

• Introduced Vac’s own foundry-template for smart contract projects
  • Goal is to have the same project structure across projects
  • Github repository: https://github.com/vacp2p/foundry-template

---

vsu:Applied Cryptogarphy & ZK (ACZ) §

• vac:acz:zerokit:vac:maintenance
  • PR reviews https://github.com/vacp2p/zerokit/pull/200, https://github.com/vacp2p/zerokit/pull/201

---

vip::zkVM §

vac:zkvm::vac:research-existing-proof-systems §

• delivered Nescience WIP doc
• delivered FHE review
• delivered Nova vs Sangria done - Some discussions during the meeting
• started HyperNova writeup
• started writing a trimmed version of FHE writeup
• researched CCS (for HyperNova)
• Research Protogalaxy https://eprint.iacr.org/2023/1106 and Protostar https://eprint.iacr.org/2023/620.

vac:zkvm::vac:proof-system-benchmarks §

• More work on benchmarks is ongoing
• Putting down a document that explains the differences

---

vc::Deep Research §

vac:dr:valpriv:vac:tor-push-poc §

• revised the code for PR

vac:dr:valpriv:vac:tor-push-relwork §

• added section for mixnet, non-Tor/non-onion routing-based anonymity network

vac:dr:gsub-scaling:vac:gossipsub-simulation §

• Used shadow simulator to run first GossibSub simulation

vac:dr:gsub-scaling:vac:gossipsub-improvements-tech-report §

• Finalized 1st draft of the GossipSub scaling article