Thread by @AdrianDobrita

With @MultiversX, @xPortalApp, and the other core applications, we intend to make blockchain technology more widespread by overcoming onboarding hurdles & drastically simplifying the UX.

It's time to take a new step in that direction, with Guardians.

Weekly #multiversxtech 🛠️

1/ Several improvements to the auto-balance data tries feature and sync missing trie nodes feature. Optimizations on trie sync: parallelization for main trie and data tries sync - benchmarks showed a ~20% improved performance.

2/ Refactored the contract testing framework into a common API and separate backends, updated the scenario test generator and re-generated all tests.

3/ System tests for the node feature that is able to repopulate the tokens' supplies based on all the trie's accounts.

4/ Other notable achievements:
- Continue work on making consistent observer backup and elastic snapshots available for public use
- Safe price v2 audit fixes & updates
- Testnet exchange setup as a close clone of the mainnet exchange

5/ - Bug fixes for bid mutation on NFT service
- Increased code coverage on trie and facade packages
- Updated swagger docs as per latest api changes and improved logs on API level for the guardian service
- Refactor for sovereign incoming events

6/ - System tests for all upcoming branches
- Reviews and internal audits on sovereign shard PRs, safe price v2 implementation and logEvents new standard for SC to SC call
- Research on tooling and directions for development
- Boosted staking contract tests

7/ - DNS system test
- Node integration for sovereign incoming header processor
- Ledger Guardians support testing and release planning
- Refactored the component that is able to stop the processing of a node at a certain block coordinate (nonce, round, or epoch)

8/ - Bughunt for multiple state related problems on features under development
- scrs and mb generation from incoming headers
- Worked on removing AWS Timestream dependencies from xExchange backend
- Indexing NFT analytics on devnet

9/ - Log events updates
- Preps for safe price v2 testing in pairs with multicontract architecture
- Testing and setup changes for Guardians service
- Added new unit tests
- Started working on sovereign scr pre-processor

10/ - Mainnet smart contracts analysis
- mxpy: analyzed ledger connectivity issue on Mac; prepared fix on external library (ledgercomm)
- A suite of tests for contract calls from contract constructors

11/ - KYC service:
- send mailing on validation
- improvements & refactors
- unit testing & integration testing
- import export csv for projects

12/ - API service upcoming branches testing
- Guardian support in transaction batch endpoints
- Upgraded sdk-core to v12 in extras API
- Card service onboarding monitoring

13/ - DEX API testing
- Bughunting, fixing & refactoring FungibleTokenMapper, NonFungibleTokenMapper
- Webhook actions for kubernetes alerts
- Deep-history: new setup (snapshotless); run a series of experiments

14/ - E2E testing for guardians
- Deployed xExchange backend with code refactor
- Worked on price discovery new charts and information display
- Documentation guardians

15/ - Guardians campaign preparations
- Working on a proposal to optimize the block execution time
- Polygon bridge setup & testing on testnet
- Rosetta: add support for ESDTs

16/ - Framework refactor: packing abi + contract binary in one file
- Reproducible contract builds: worked on new Docker image
- sdk-js: apply a proposed redesign on two signing providers, minor improvement on sdk-wallet, patched an issue on sdk-core

17/ “Stay Hungry Stay Foolish” and tune in soon for more of the #multiversxtech which powers the @MultiversX ecosystem.
Check out our progress & get involved 👇
github.com/MultiversX