Tech subdao progress update 2022.05.02

LikeCoin chain upgrade, written by Oursky

v2.0.0 Upgrade (New account prefix + sdk 0.44)
- Raised an upgrade proposal, targeting height 3692800, which should be around May 4th UTC 11:00AM – https://likecoin.bigdipper.live/proposals/46
v3.0.0 NFT Module
- Here is the updated spec for NFT: https://gist.github.com/rickmak/e0d1cd776341f729d4bcebe7a4babedf
- Comment welcome
- Notable change, Account to NFT class mapping. It may use as subscription
- Blind box release
We will release v3.0.0-beta on testnet for interested DApp developers to work on it, with the following basic features:
- Allow relating NFT Class (Collection) to an account in addition to ISCN record
- Allow creator to prepare the class metadata (e.g. set content / metadata of claimable tokens)
- Will allow end-user to pay / claim -to-mint
- Anyone would like to join testing please contract rickmak.
- The actual v3.0.0 release schedule will depend on cosmos-sdk 0.46 release schedule so that Likecoin NFT will be able to support IBC-721 standard. It may or may not include the NFT Marketplace. It is not confirmed yet.
NFT Marketplace
- After completing the scope above, will work on NFT Marketplace features, mainly to allow:
  - Create, Update, Delete Buyer Offer, Sell NFT with Buyer Offer
  - Create, Update, Delete Seller Offer, Purchase NFT with Seller Offer
  - Queries for Offers for a NFT
  - The development of NFT Marketplace feature should be completed around W2 June.

We have kicked off the development based on the design mentioned in the Apr community call – https://www.figma.com/file/SMaKDFUALEopfVeDHcBemr/DAO-likecoin?node-id=390%3A5014
Starting from the Overview page, and Proposal page

bookkeeping always publicly available at (pinned in #techsubdao of Discord): https://docs.google.com/spreadsheets/d/1oefPBR3wtTaf_uQorQYmYA-fv6kpF6uOzRtGjILnSv0/edit?usp=sharing
received 3,000,000 LIKE from Community Pool (proposal #45)
started to use a petty cash wallet in between multisig wallet & outsource partner wallet, so as to pay partners timely and accurately according to 7-day average
paid OurSky 2,449,286 LIKE (up to 2022.04.25)
balance: 1,408,780 LIKE
payable: 0 LIKE
plan to raise proposal to transfer 3,000,000 LIKE from Community Pool