IMPLEMENTATION_NOTES.md

Implementation: Issues #719–#722

#720 – Multisig DTO constructors

Removed constructor(private readonly logger: LoggingService) from all DTOs in multisig.controller.ts. DTOs are plain property bags for class-transformer.

#721 – Transaction polling

Added waitForTransaction() that polls RPC until SUCCESS/FAILED (default 30 attempts × 2s). All sendTransaction PENDING paths use it instead of same-tick getTransaction.

#722 – Real results instead of mocks

• proposeCertificate → getPendingRequest(requestId) after success
• approveRequest / rejectRequest → include final_status from on-chain state

#719 – Webhook secret hygiene

• Create returns plaintext secret once
• Stores secretHash (SHA-256)
• findAll / findOne return sanitized objects with hasSecret: true and no secret
• Processor still loads full entity from DB for HMAC signing

Verify

cd backend && npx jest multisig.service.poll webhooks.secret --passWithNoTests