Feat/evoting fixes

[coodos]

Description of change

Issue Number

Type of change

• Breaking (any change that would cause existing functionality to not work as expected)
• New (a change which implements a new feature)
• Update (a change which updates existing functionality)
• Fix (a change which fixes an issue)
• Docs (changes to the documentation)
• Chore (refactoring, build scripts or anything else that isn't user-facing)

How the change has been tested

Change checklist

• I have ensured that the CI Checks pass locally
• I have removed any unnecessary logic
• My code is well documented
• I have signed my commits
• My code follows the pattern of the application
• I have self reviewed my code

Summary by CodeRabbit

• New Features
  • Introduced private/blind voting end-to-end: wallet deep-link/QR flow, voter registration, commitment submission, and blind tallying with results display and “View My Vote.”
  • eVoting app now gates UI by visibility, adds signing flow, and supports updated user-vote retrieval.
  • Control Panel gains real-time Loki log streaming, dynamic platform registry, and enhanced monitoring animations for sync and awareness.
• Documentation
  • Added BlindVote overview and quick start.
• Tests
  • Added cryptography and end-to-end tally tests.
• Chores
  • Environment example added, config/build updates, dependencies aligned; removed Grafana/Promtail services.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Introduces a new BlindVote TypeScript package and integrates blind voting across the eVoting frontend and API. Adds Loki-based log streaming and a platform registry to the Control Panel. Updates the eID Wallet to handle blind-vote deep links and submission. Removes Grafana/Promtail and large portions of the Web3 Adapter. Adds DB entity/migration and routes for blind voting.

Changes

Cohort / File(s)	Summary
BlindVote library infrastructure/blindvote/* (README.md, package.json, tsconfig.json, src/index.ts, src/core/types.ts, src/core/voting-system.ts, src/crypto/pedersen.ts, src/examples/example.ts, test-crypto-expert.ts, test-tally.ts)	New TypeScript package implementing Pedersen commitments on Ristretto255, a high-level VotingSystem, types, crypto utils, examples, and tests. Exposes barrel exports.
Control Panel: logging, registry, UI infrastructure/control-panel/.env.example, .../src/lib/services/loki.ts, .../src/lib/services/registry.ts, .../src/routes/+page.svelte, .../src/routes/api/events/+server.ts, .../src/routes/monitoring/+page.svelte, .../src/lib/fragments/Nodes/VaultNode.svelte	Adds Loki query/streaming service and platform Registry service; dynamic platform loading and error states; SSE stream now uses Loki with fallback to mock; monitoring flow updated for evault_sync and awareness; VaultNode gets platform-specific split layout and handle positioning.
Compose cleanup control-panel.compose.yml	Removes promtail and grafana services; leaves loki.
eID Wallet: blind vote + build config infrastructure/eid-wallet/package.json, .../src/routes/(app)/scan-qr/+page.svelte, .../svelte.config.js, .../vite.config.js, .../src/routes/(app)/sign/+page.svelte (deleted)	Adds blind voting flow (QR/deep link detection, vote generation, submission), dependency and alias for blindvote, Node polyfills, env defines, and removes separate sign page.
eVoting frontend platforms/eVoting/src/app/(app)/[id]/page.tsx, .../(app)/create/page.tsx, .../components/blind-voting-interface.tsx, .../components/voting-interface.tsx, .../app/api/blind-vote/session/route.ts, .../app/api/votes/blind/route.ts, .../lib/pollApi.ts	Adds blind voting UI and deep link/QR initiation, switches to private-poll blind interface, fetches blind tallies, updates vote submission, introduces API routes to forward blind-vote requests, and changes getUserVote(pollId, userId).
eVoting API backend platforms/evoting-api/package.json, .../src/controllers/VoteController.ts, .../src/services/VoteService.ts, .../src/services/SigningService.ts, .../src/services/DeadlineCheckService.ts, .../src/database/data-source.ts, .../src/database/entities/PollVotingState.ts, .../src/database/entities/Vote.ts, .../src/database/migrations/1755778782085-migration.ts, .../src/index.ts, .../src/web3adapter/watchers/subscriber.ts	Adds blind voting endpoints and logic (register, submit, generate, tally), per-poll VotingSystem cache, new entity/migration for poll voting state, extends Vote types with blind mode, updates routes (public), signing flow to branch by visibility, deadline results handling to use blind tallies with fallback, and removes a subscriber hook.
Web3 Adapter removals and logging changes infrastructure/web3-adapter/src/db/* (deleted), .../src/evault/* (deleted), .../src/logging/* (deleted), .../src/mapper/* (deleted), .../src/index.d.ts (deleted), .../src/index.js (deleted), .../src/index.ts	Removes EVault client, mapping DB, mapper, and logging transport/aggregator; retains index.ts with adjusted logging and return payload tweaks.

Sequence Diagram(s)

sequenceDiagram
  autonumber
  actor User
  participant FE as eVoting Frontend
  participant Wallet as eID Wallet
  participant API as eVoting API
  participant BV as BlindVote Lib (API)
  participant DB as DB

  rect rgb(235,245,255)
  note right of FE: Private poll
  User->>FE: Open poll
  FE->>FE: Generate w3ds:// blind-vote deep link
  FE-->>User: Show QR / Open Wallet
  end

  rect rgb(245,255,245)
  User->>Wallet: Scan QR / Open deep link
  Wallet->>API: Check/register voter (POST /api/votes/:pollId/register)
  API->>DB: Upsert voting state
  API-->>Wallet: OK
  Wallet->>BV: Generate commitments/anchors (local)
  Wallet->>API: Submit blind vote (POST /api/votes/:pollId/blind)
  API->>DB: Store commitments/anchors
  API-->>Wallet: Success
  Wallet-->>User: Confirm submission
  end

  rect rgb(255,245,235)
  note over API,BV: Tally (on demand / deadline)
  FE->>API: GET /api/polls/:pollId/blind-tally
  API->>DB: Load blind votes
  API->>BV: Rebuild VotingSystem, tally
  BV-->>API: Counts + (C_agg, H_S, X)
  API-->>FE: Blind results
  FE-->>User: Display tallies
  end

Loading

sequenceDiagram
  autonumber
  participant CP as Control Panel (SSE)
  participant Loki as Loki
  participant WA as Web3 Adapter

  rect rgb(240,240,255)
  CP->>Loki: streamLogs({app="web3-adapter"})
  Loki-->>CP: log lines (polling)
  CP->>CP: parse -> FlowEvent
  CP-->>Client: SSE evault_sync_event
  end

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Estimated code review effort

🎯 5 (Critical) | ⏱️ ~120 minutes

Possibly related PRs

• prototype#115 — Operates on the same Web3 Adapter modules; this PR removes those APIs while feat: web3 adapter #115 adds/defines them.
• prototype#302 — Modifies the same eID Wallet scan-qr flow; overlaps with blind-vote handling introduced here.
• prototype#273 — Touches eVoting backend models/routes; aligns with this PR’s API/entity changes.

Suggested reviewers

• sosweetham
• JulienAuvo

Poem

A rabbit taps the ledger’s rhyme,
Commitments hop in secret time.
Anchors blink—no names revealed—
Tallies bloom, yet votes are sealed.
Loki whispers, streams alight,
Private carrots counted right.
Thump-thump—privacy in sight! 🥕✨

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