Node Public Interfaces Team Weekly Update - 2021-12-04

[frol]

The previous update is #5518. See more engineering updates posted on gov.near.org

Brief Summary

• near-jsonrpc-client-rs triggered more quality of life improvements on nearcore side, and @miraclx @matklad and @pmnoxx landed a series of PRs to address long-standing issues in nearcore code-base 🚀
• near-indexer-for-explorer has also received a few fixes for long-standing issues, where the most notable one is from @telezhnaya, @frol, and @khorolets where the fix addresses some historical instances where the same transaction was included in multiple blocks
• A series of development workshops focused on writing Rust contracts (in Russian) has been given in Kharkiv (Ukraine) and recorded on YouTube (second part)

Blockers

Indexer for Explorer and (Wallet and Explorer as the main clients of it) are blocked on standardization of the following NEPs:

• FT Events standard FT NEP-141 require having minting/burning interface NEPs#271
• MT Standard feat: Multi Token Standard Contract [NEP] NEPs#245

Anyone in the community may help with their review and opinions there!

Result

(Acronyms: O - Objective, KR - Key Result)

• O3: Remove friction from building dApps

  • KR1: FT / NFT information is easily available for the developers

    • Moved the discussion on Multi-token standard forward
      feat: Multi Token Standard Contract [NEP] NEPs#245

  • KR3: Release near-jsonrpc-client-rs (while we have the published version on crates.io already, but there is always room for perfection ❤️)

    • Initiated the work on decoupling jsonrpc types from nearcore types
      feat: Separate jsonrpc from rest of codebase, to prevent rpcs to breaking due to refactoring. #5516
    • Exhaustively documented near-account-id
      re+doc(account-id): refactor and fully document near-account-id #5575
    • Clean-up the near-account-id API in preparedness for stabilization
      chore: cleanup near-account-id API #5581

  • KR5: Maintain 99.(9)% uptime for Indexer for Explorer

    • Handle transaction collisions on Indexer for Explorer side
      Handle collisions in transactions table near-indexer-for-explorer#203
    • Supported near-analytics partners by establishing contributing guide and CI checks, as well as reviewing the PRs:
      Add black to dependencies + massive refactoring near-analytics#31
      feat: create contributing guide near-analytics#34
      chore: Updated near_ecosystem_entities.csv with new entries and extra columns near-analytics#28
      Daily new accounts per app count near-analytics#29

• O4: Give users better insights about the current and historical status of the network

  • KR2: Explorer enables efficient exploration of NEAR history (navigation through history & search improvements)
    • Speed up queries for incoming and outgoing transactions count
      refactor(backend): Refactor queries for income and outcome tx count near-explorer#787
    • Speed up query for 14 Day History chart on dashboard page
      refactor(backend): Rewrite query of 14 day history chart near-explorer#791
    • Resolve issue on 'testnet' with account details (after testnet upgrade some information wasn't available in EXPERIMENTAL_genesis_config method so we switched it to EXPERIMENTAL_protocol_config)
      fix(backend): Switch EXPERIMENTAL_genesis_config query with valid one near-explorer#788
    • Fixed the gas used value on Block Details page
      fix(backend): Fix query for gasUsed in block near-explorer#790

• O5: Support lockup contract stakeholders

  • KR2: Bootstrap community lockup contract development
    • Collected feedback from various parties who have been involved in the lockup contract NEAR Foundation is currently using (@frol)