Feature/issues 634 635 648 649#751
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Hexstar-labs merged 5 commits intoJun 29, 2026
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…ards - Rewrite contracts/token/src/staking.rs with full delegation support - DelegationRecord: delegator, delegatee, amount, epoch, rewards_accrued, reward_debt - Global reward-per-token accumulator (scaled 1e12) updated each epoch - delegate(): create delegation, add to total staked, snapshot reward debt - undelegate(): compute pending rewards, remove delegation, emit event - claim_rewards(): settle pending rewards for direct stakers without withdrawing - withdraw(): net = principal + rewards - optional early penalty (checked arithmetic) - set_slash_config() / slash(): admin-gated slashing with configurable rate and recipient - accrue_global(): epoch-based accumulator update (rounding-safe, division-last) - pending_rewards(): correct proportional accrual across arbitrary epochs - Events: stake, unstake, reward, delegate, undelegate, slashed - New keys: Delegation, DelegatorTargets, RewardPerToken, StakerRewardDebt, SlashConfig, SlashEnabled - 8 unit tests: stake/withdraw, early penalty, delegate/undelegate, rewards across epochs, slash, self-delegation guard, overflow safety Closes BrainTease#634
- Create contracts/credential_metadata/src/linkage.rs - CredentialNftLink: credential_id, nft_id, nft_contract, linked_at - LinkageKey enum: CredentialNft, NftCredential, NftContract - issue_and_mint_nft(): cross-contract call to NFT mint_course_nft, atomic rollback on failure - unlink(): remove both directions of the link - Getters: get_credential_nft_link, get_nft_credential (reverse lookup), is_linked - nft_contract_client stub (contractclient trait for cross-contract call) - 4 unit tests covering not-linked state and unlink panic - Update contracts/credential_metadata/src/lib.rs - Expose linkage module with pub use - initialize_with_nft(): init + set NFT contract in one call - issue_with_nft(): store metadata + atomically call NFT contract; failure rolls back both - get_credential_link(), get_nft_credential_id(), credential_is_linked() getters Closes BrainTease#635
- Create apps/backend/src/jobs/job.entity.ts
- Job entity: title, description, category, requiredSkills (array), budgetMin/Max,
status (open/closed/expired/filled), expiresAt, isDeleted, instructor relation
- JobApplication entity: jobId, applicantId, coverLetter, status, reviewNote
- Indexes: (status, expiresAt), (jobId, applicantId unique), (applicantId, status)
- Create apps/backend/src/jobs/dto/index.ts
- CreateJobDto, UpdateJobDto, CreateApplicationDto, UpdateApplicationStatusDto, JobQueryDto
- Create apps/backend/src/jobs/jobs.service.ts
- createJob(): create with ownerId, emit job.created event
- findAll(): paginated with search (ILike), category, status filters
- update() / remove(): ownership-gated
- apply(): validates open status, prevents self-apply, rejects duplicates
- getApplicationsForJob(): poster-only
- getMyApplications(): applicant's own applications
- updateApplicationStatus(): poster-only, emits status_changed, marks job FILLED on accept
- withdraw(): applicant can withdraw pending/reviewed applications
- getMatchingJobs(): skill intersection scoring, sorted by score desc
- expireOldJobs(): @Cron(EVERY_HOUR) — marks expired jobs, emits job.expired event
- Create apps/backend/src/jobs/jobs.controller.ts
- GET /jobs, POST /jobs, PATCH /jobs/:id, DELETE /jobs/:id
- GET /jobs/recommendations (auth required)
- POST /jobs/:id/apply, GET /jobs/:id/applications
- GET /jobs/applications/mine, PATCH /jobs/applications/:id/status
- PATCH /jobs/applications/:id/withdraw
- Create apps/backend/src/jobs/jobs.module.ts
Closes BrainTease#648
- Create apps/backend/src/media/media.entity.ts
- Media entity: ownerId, originalName, mimeType, sizeBytes, storageKey,
bucket, publicUrl, status (pending/ready/failed/deleted), derivatives (jsonb),
metadata (jsonb), uploadedAt, deletedAt
- Indexes on ownerId and status
- Create apps/backend/src/media/storage.service.ts
- validateFile(): checks MIME type against allowlist, extension allowlist, max 50MB
- sanitiseFilename(): strips path separators, non-ASCII chars, limits to 80 chars + ext
- upload(): validate, sanitise, upload original to S3 (AES256 SSE), generate responsive
WebP derivatives (thumb 150, small 400, medium 800) via Sharp, persist Media record
- getSignedUrl(): pre-signed S3 GET URL with configurable TTL (default 1h)
- getDerivativeSignedUrl(): signed URL for a specific derivative suffix
- softDelete(): mark status=deleted, set deletedAt (S3 object retained)
- hardDelete(): delete original and all derivatives from S3, remove DB record
- findByOwner() / findById(): metadata queries
- AWS SDK v3 (PutObjectCommand, GetObjectCommand, DeleteObjectCommand)
- S3 endpoint configurable for MinIO/localstack local dev
- Create apps/backend/src/media/media.controller.ts
- POST /media/upload (multer memoryStorage, 50MB limit)
- GET /media/mine
- GET /media/:id/url?ttl=
- GET /media/:id/url/:suffix (derivatives)
- DELETE /media/:id (soft), DELETE /media/:id/purge (hard)
- All routes require JwtAuthGuard
- Create apps/backend/src/media/media.module.ts
Closes BrainTease#649
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Closes #634
Description
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Testing
Documentation
Breaking Changes
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Closes #635
Closes #648
Closes #649