Evidence-0003: Promotion to Rank 2


Report Date	Date of submission (2025/02/20)
Submitted by	Tsvetomir Dimitrov

Member details

Matrix username: @tsvetomir:parity.io
Polkadot address: 1QhVP5qzR2LfXqP77N1JcuwHoY7NH8JVRNFm1hSooE9d4pR
Current rank: 1
Date of initial induction: 2023/10/11
Date of last report: 2024/08/28
Area(s) of Expertise/Interest: Disputes, Agile Coretime

Reporting period

Start date: 2024/11/28
End date: 2025/02/20

Evidence

During this reporting period I worked on a refined version of the collation fairness (polkadot-sdk issue-797). The PR is incomplete since I had to focus on the AssetHub migration.

For the AssetHub migration I am working on separating the coupling between the session and staking pallets. Since they should be on separate networks (session on relay chain and staking on AssetHub) they can't communicate directly with each other anymore. To overcome this I picked up an idea from gpestana to introduce two new pallets which communicate with each other over XCM and provide data to staking and session pallets. The initial effort for this is in polkadot-sdk pr-7582. At the moment I am working on integrating the pallets in Westend and AssetHub-Next.

I've also submitted two governance proposals for bumping schedulerParams.lookahead configuration parameter to 3. More information about this can be found in the corresponding referendas for Kusama and Polkadot.

Since I am applying for a rank 2 promotion I want to back my request with some examples of impactful work I did in the past:

In the previous reporting period I implemented a collation fetching fairness implementation for the collator protocol - polkadot-sdk pr-4880.
In the end of 2023 and the beginning of 2024 I worked on validator disabling strategy in the runtime. Its essence was to disable an offending validator till the end of the current era so that the damage to network, its nominators and itself is limited. The work is split in multiple PRs: polkadot-sdk pr-2226, polkadot-sdk pr-1259 polkadot-sdk pr-1257 and polkadot-sdk pr-2889. This was a team effort with ordian, eskimor and Overkillus.
In 2022 I worked on a runtime api versioning implementation in Substrate. The work was done in substrate pr-1779 with a lot of guidance from bkchr.
I was a co-author of Stalled parachains on Kusama - post mortem and author of Finality stall on Kusama (15.02.2024) - post mortem.

Voting record

Ranks	Activity thresholds	Agreement thresholds	Member's voting activities	Comments
I	90%	N/A	I have voted on 0 out of 0 referenda in which I was eligible to vote (i.e 100 % voting activity). Out of 0 referenda in which members of higher ranks were in complete agreement, I have voted in line with the consensus 0 times (i.e 100 % voting agreement).	There were no referendas I could participate in during the reporting period
II	80%	N/A
III	70%	100%
IV	60%	90%
V	50%	80%
VI	40%	70%

Misc