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Changelog

All notable changes to NiffyInsure are documented in this file.

Format follows Keep a Changelog. Versions follow Semantic Versioning.

ABI-BREAKING Convention

Changes that break the on-chain contract interface or event schema are tagged:

  • [ABI-BREAKING: entrypoint] — a contract entrypoint was added, removed, or its argument/return types changed in a backwards-incompatible way. Indexers and SDK clients must be updated before deploying this version.
  • [ABI-BREAKING: event] — an event topic or data schema changed. All indexer pipelines that consume this event must be migrated before the contract upgrade.
  • [ABI-BREAKING: storage] — an on-chain storage key layout changed. A migration entry-point or a ledger migration script is required.

Any release that carries one or more ABI-BREAKING tags requires:

  1. A coordinated indexer migration window.
  2. An updated contracts/deployment-registry.json entry with the new contract hash.
  3. A companion migration guide under docs/migrations/<version>.md.

Unreleased

Added

  • Admin governance UI: voters, region, quorum, and dispute panels (#1006).
  • UI improvements across four tracked issues (#1005).
  • Contract fuzz testing harness for niffyinsure and premium_calculator (#1003).

0.4.0 — 2026-06-01

Added

  • Rolling claim cap enforced on-chain (rolling_claim_cap.rs).
  • Commit-reveal scheme for governance vote privacy (commit_reveal.rs).
  • Delegation support for governance tokens (delegation.rs).
  • Premium calculator as a standalone contract (premium_calculator/).
  • Oracle integration for parametric trigger data (oracle.rs).

Changed

  • [ABI-BREAKING: entrypoint] submit_claim now requires a proof_hash: BytesN<32> argument. Callers and the backend claim-submission flow must be updated.
  • [ABI-BREAKING: event] ClaimSubmitted event gains a proof_hash topic field; all indexers filtering on this event must add the new topic to their decoders.
  • Policy lifecycle split into policy_lifecycle.rs; init_policy entrypoint signature unchanged.

Fixed

  • Premium calculation overflow for policies with very high coverage limits.
  • Governance quorum check off-by-one when voter count equals quorum threshold.

0.3.0 — 2026-03-15

Added

  • Governance token contract (governance_token.rs).
  • Admin module for parameter management (admin.rs).
  • Storybook component library integration.
  • Playwright end-to-end test suite (claim filing, wallet connect, policy initiation).

Changed

  • [ABI-BREAKING: entrypoint] cast_vote replaced by vote_on_claim(claim_id, vote: VoteChoice). All governance UIs and SDK wrappers must migrate.
  • [ABI-BREAKING: storage] Governance proposal storage key changed from DataKey::Proposal(u32) to DataKey::Proposal(BytesN<32>). Deploy with the provided migration script scripts/migrate-proposals-v3.sh.

Removed

  • Legacy approve_claim entrypoint (superseded by vote_on_claim).

0.2.0 — 2025-12-10

Added

  • Redis-backed claim notification service in the backend.
  • OpenTelemetry tracing (backend/src/tracing.ts).
  • Load test scenarios (k6) for claim submit and GraphQL policy queries.
  • EVENT_DICTIONARY.md documenting all on-chain events.

Changed

  • [ABI-BREAKING: event] PolicyActivated now emits premium_paid: i128 in addition to policy_id. Indexers must handle the additional data field.
  • Docker Compose dev stack updated to Redis 7 Alpine.

Fixed

  • Wallet session timeout not resetting on activity.
  • Missing ARIA labels on claim status badges.

0.1.0 — 2025-09-01

Added

  • Initial NiffyInsure monorepo: Soroban smart contracts, NestJS backend, Next.js frontend.
  • Core contracts: niffyinsure (policy, claim, governance), premium_calculator.
  • CI pipelines: frontend, backend, contracts, fuzz.
  • CONTRIBUTING.md, SECURITY.md, audit.toml.