---
title: "2023-08-17 Vac weekly"
tags:
  - "vac-updates"
date: 2023-08-14
lastmod: 2023-08-17
draft: false
---


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