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refactor(infra): enforce remaining coding standards across platform (STA-249)#270

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Puneethkumarck merged 6 commits into
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feature/STA-249-standards-cleanup
Apr 11, 2026
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refactor(infra): enforce remaining coding standards across platform (STA-249)#270
Puneethkumarck merged 6 commits into
mainfrom
feature/STA-249-standards-cleanup

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@Puneethkumarck

@Puneethkumarck Puneethkumarck commented Apr 11, 2026

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Summary

Close the remaining gaps against CLAUDE.md / docs/CODING_STANDARDS.md that were missed in the STA-243 sweep: strip leftover narration comments, remove generic Mockito matchers, promote obvious local variables to var, replace LoggerFactory.getLogger with @Slf4j, drop residual block comments, and collapse the *ApplicationService intermediate layer so controllers call CommandHandler / QueryHandler directly. Also deletes 8 orphaned / duplicate *ApplicationService classes (+ 2 duplicate test files) left behind by STA-243 or introduced in error during the handler-collapse step.

Related Issue

Tracks local issue STA-249 (standards cleanup — tasks/issues.md series, Linear exhausted).

Type of Change

  • ♻️ Refactor (no functional change)

What Changed

Five commits on the branch:

19280ff@Slf4j, drop block comments, prefer var

  • platform-infra/ExternalApiLoggingInterceptor now uses Lombok @Slf4j instead of LoggerFactory.getLogger.
  • Removed 5 leftover /* */ block comments from switch-default and no-op lambda bodies in Stripe / Modulr webhook validators, OFAC SDN parser, and NonceManagerPersistenceAdapter.
  • Promoted ~20 obvious local declarations to var across ledger, compliance, custody, fiat-on-ramp, merchant-iam, merchant-onboarding, payment-orchestrator, plus PermissionTest, JournalCommandHandlerTest, DevCustodyAdapterTest.

1f48e78 — drop narration comments across services

  • Removed ~135 step-by-step narration and section-divider comments across 29 production files.
  • Heaviest cleanups: PayoutCommandHandler (−13), TransferCommandHandler (−12), RefundCommandHandler (−12), TracingConfig (−13 architecture explainer), RiskScoringService (−9 Factor labels), CollectionCommandHandler, PaymentEventConsumer, MerchantTeam (−6 Invariant labels), LockService, MerchantOnboardingWorkflowImpl, PaymentWorkflowImpl, FxRateLockApplicationService.
  • Preserved 47 load-bearing why comments: Temporal saga authority, JPA orphanRemoval ordering, pg_advisory_xact_lock semantics, PII masking rationale, dev-mode keypair note, chain reorg grace window, crash/resubmit idempotency invariants.

d411ccd — replace Mockito generic matchers with literal values

  • Eliminated ~180 uses of any(), anyString(), anyLong(), anyInt(), anyBoolean(), anyList(), and eq(...) from 30 unit test files.
  • Stubs now take the literal values the SUT actually passes; save(...) verifications use eqIgnoringTimestamps / eqIgnoring from platform-test/TestUtils.
  • Where runtime-generated values can't be pre-constructed (workflow IDs from generated payment IDs, Duration computed at revoke time) we use typed argThat(lambda) — the same escape hatch eqIgnoring itself is built on.
  • Affected test classes across api-gateway-iam (14), payment-orchestrator (6), fx-liquidity-engine (3), merchant-onboarding (3), merchant-iam (2), compliance-travel-rule (1), ledger-accounting (1).

aa89f6e — collapse ApplicationService layer into CommandHandlers

  • compliance-travel-rule: deleted ComplianceCheckApplicationService (thin pass-through); ComplianceCheckController and CustomerRiskProfileController now inject ComplianceCheckCommandHandler + ComplianceCheckResponseMapper directly. Tests rewritten to mock the handler.
  • fx-liquidity-engine: added FxQuoteCommandHandler, FxRateLockCommandHandler, and LiquidityPoolQueryHandler under domain/service/. Handlers take primitives and return domain objects (+ idempotency-state records), so HexagonalArchitectureRules.domainShouldNotDependOnApplication stays green. Controllers own response mapping via FxResponseMapper (added a CorridorSnapshot overload). Deleted LiquidityPoolApplicationService + its test. New per-handler unit tests preserve intent.
  • Dead-code removal: dropped 4 orphaned *ApplicationService classes left over from STA-243 — AuthApplicationService, OAuthClientApplicationService, MerchantApplicationService (api-gateway-iam), and MerchantApplicationService (merchant-onboarding).

dbb9556 — delete orphan ApplicationService classes missed in collapse (code-review follow-up)

  • The previous commit added the new fx command handlers alongside the old @Service classes instead of replacing them, and left ApiKeyApplicationService in place despite the description claiming deletion. Self-review caught this.
  • Deletes: ApiKeyApplicationService.java (api-gateway-iam), FxQuoteApplicationService.java, FxRateLockApplicationService.java, and their two duplicate test files FxQuoteApplicationServiceTest.java / FxRateLockApplicationServiceTest.java.
  • Net −683 lines; Rule 3 now fully resolved across all services.

Total removed by the handler-collapse work: 8 *ApplicationService classes (1 compliance pass-through, 3 fx duplicates/orphans, 4 api-gateway dead code) + 1 merchant-onboarding dead service + 2 duplicate test files + 1 corresponding ApplicationService test for compliance. Net effect across the branch: ~100 files touched, final diff approximately +1,787 / −2,464.

How Was It Tested

  • Unit tests added / updated
  • Integration tests added / updated (new FxQuoteCommandHandlerTest, FxRateLockCommandHandlerTest, LiquidityPoolQueryHandlerTest)
  • Business/acceptance tests added / updated — N/A, no behaviour change
  • Manually tested locally with Docker Compose — N/A

Verification commands actually run on this branch:

  • ./gradlew compileJava compileTestJavaBUILD SUCCESSFUL (all modules)
  • ./gradlew test -x :phase2-integration-tests:test -x :phase3-integration-tests:testBUILD SUCCESSFUL, 128 actionable tasks, zero failures
  • After the follow-up commit: ./gradlew :api-gateway-iam:api-gateway-iam:test :fx-liquidity-engine:fx-liquidity-engine:test --rerun-tasksBUILD SUCCESSFUL
  • Module-level test counts: api-gateway-iam (242), payment-orchestrator (199), fx-liquidity-engine (~180 after deleting duplicate suite), merchant-iam (199), merchant-onboarding (97), compliance-travel-rule (268), ledger-accounting (254) — all green
  • ArchUnit hexagonal rules still pass in both refactored modules
  • Phase-2 / Phase-3 integration tests were intentionally excluded (they require a live docker-compose stack per their Javadoc)

Breaking Changes

N/A — public HTTP API surfaces on all 5 refactored controllers are unchanged (same paths, same request/response types). Internal class renames in fx-liquidity-engine are not part of any published client.

Security Considerations

  • No sensitive data exposed in logs — one incidental win: dropping the OAuthClient / Auth dead code removes orphaned paths that were confusingly referenced in comments.
  • Input validation in place for all new endpoints — no new endpoints.
  • No secrets or credentials introduced in code
  • N/A — no security-sensitive changes beyond the above

Checklist

  • CI is green locally (unit + compile, both green)
  • ./gradlew spotlessCheck passes (spotlessApply ran automatically during each commit via pre-commit hook)
  • No wildcard imports introduced
  • CHANGELOG.md updated — N/A, no user-facing change
  • Self-reviewed — I have read through the diff carefully (caught the orphaned @Service duplicates during review, fixed in dbb9556)

Out of Scope / Known

  • @Autowired field injection in @SpringBootTest retry-test classes (22 uses across 11 files) was deliberately left alone. The CLAUDE.md rule reads as production-style and these are Spring's standard test-slice idioms. Can be converted to @TestConstructor(autowireMode = ALL) in a follow-up if the team wants.
  • Pre-existing cache-stampede risk in FxQuoteCommandHandler.getQuote (read-then-write pattern on cache miss) was inherited from the old FxQuoteApplicationService and not fixed here. File a separate ticket if it matters.
  • LiquidityPoolQueryHandler.CorridorSnapshot.rate is intentionally nullable (handled by FxResponseMapper:95); worth adding @Nullable in a follow-up for documentation.

Summary by CodeRabbit

  • Refactor
    • Internal service boundaries reorganized across payments, compliance, FX, custody and onboarding to improve modularity and maintainability.
  • New Features
    • Added domain-level handlers for FX quoting and rate locking to improve quote/lock reliability.
  • Tests
    • Strengthened and tightened unit tests and assertions for greater confidence and fewer false positives.

Three small style-rule cleanups across the platform:

- Replace LoggerFactory.getLogger with @slf4j in ExternalApiLoggingInterceptor.
- Drop 5 leftover block comments from switch-default and no-op lambda bodies
  in webhook validators, OFAC parser, and the nonce manager.
- Use var for ~20 obvious local declarations across ledger, compliance,
  custody, fiat-on-ramp, merchant-iam, merchant-onboarding, payment-orchestrator,
  and a few test files (PermissionTest, JournalCommandHandlerTest,
  DevCustodyAdapterTest).

No behavior change. Verified with compileJava + compileTestJava on every
touched module.
Remove ~135 step-by-step narration and section-divider comments
across 29 production files. Code now stands on its own; the remaining
47 comments document non-obvious WHY (Temporal saga authority,
JPA orphanRemoval ordering, advisory-lock semantics, PII masking
rationale, dev-mode keypair notes, etc.).

Heaviest cleanups: PayoutCommandHandler (-13), TransferCommandHandler
(-12), RefundCommandHandler (-12), TracingConfig (-13 architecture
explainer), RiskScoringService (-9 Factor 1-8 labels), CollectionCommandHandler
(-7), PaymentEventConsumer (-7), MerchantTeam (-6 Invariant labels),
LockService, MerchantOnboardingWorkflowImpl, PaymentWorkflowImpl,
FxRateLockApplicationService.

Verified: ./gradlew compileJava + compileTestJava BUILD SUCCESSFUL.
…A-249)

Eliminate any()/eq()/anyString()/anyLong()/anyInt()/anyBoolean()/
anyList() from 30 unit test files across api-gateway-iam (14),
payment-orchestrator (6), fx-liquidity-engine (3), merchant-onboarding
(3), merchant-iam (2), compliance-travel-rule (1), ledger-accounting (1).

~180 matcher usages removed. Stubs now take the literal values the SUT
actually passes; save verifications use eqIgnoringTimestamps / eqIgnoring
from platform-test TestUtils. Where runtime-generated values genuinely
cannot be pre-constructed (workflowId from generated paymentId, Duration
computed at revoke time) we use typed argThat(lambda) -- the same
escape hatch eqIgnoring itself uses.

Verified: 1,467 unit tests pass across all 7 affected modules.
…rs (STA-249)

Controllers now call CommandHandler / QueryHandler directly per
CLAUDE.md "Controller → CommandHandler directly — no intermediate
service layer".

compliance-travel-rule: delete ComplianceCheckApplicationService (thin
pass-through). ComplianceCheckController and CustomerRiskProfileController
inject ComplianceCheckCommandHandler + ComplianceCheckResponseMapper
directly. Tests rewritten to mock the handler.

fx-liquidity-engine: promote FxQuoteApplicationService, FxRateLockApplicationService,
and LiquidityPoolApplicationService to FxQuoteCommandHandler,
FxRateLockCommandHandler, and LiquidityPoolQueryHandler under domain/service/.
Handlers now take primitives and return domain objects (+ idempotency
records), so the hexagonal rule domain-may-not-depend-on-application
stays green. Controllers own response mapping via FxResponseMapper
(added CorridorSnapshot overload). New per-handler unit tests preserve
intent from the removed ApplicationService tests.

Dead-code removal: drop orphaned ApplicationService classes left from
STA-243 — ApiKeyApplicationService, AuthApplicationService,
OAuthClientApplicationService, MerchantApplicationService (api-gateway-iam)
and MerchantApplicationService (merchant-onboarding). Confirmed zero
references in main or test before deletion.

Net: -1505 lines. 13 files deleted, 13 modified, 6 new handlers/tests.
Verified: compliance-travel-rule (268 tests), fx-liquidity-engine (202
tests), full compileJava + compileTestJava BUILD SUCCESSFUL.
@Puneethkumarck Puneethkumarck added infra Infrastructure / build chore Maintenance, refactor, docs cross-cutting Affects all services labels Apr 11, 2026
@coderabbitai

coderabbitai Bot commented Apr 11, 2026

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Walkthrough

Removed multiple application-service classes and inlined comment cleanup across services; controllers were rewired to domain command/query handlers and response mappers; several new domain command handlers and query handlers were added (FX); tests were tightened to use strict argument matching and value-based verifications; many local variables switched to var.

Changes

Cohort / File(s) Summary
App service removals — API Gateway IAM
api-gateway-iam/.../application/service/ApiKeyApplicationService.java, AuthApplicationService.java, MerchantApplicationService.java, OAuthClientApplicationService.java
Deleted multiple transactional application services that previously mapped requests to domain services and built responses; controllers rewire to handlers/mappers.
Controller rewires & controller tests — API Gateway IAM
api-gateway-iam/.../application/controller/ApiKeyController.java, AuthControllerTest.java, ApiKeyControllerTest.java, MerchantControllerTest.java, OAuthClientControllerTest.java
Controllers now depend on command/query handlers + mappers; tests tightened to explicit arguments instead of Mockito wildcards.
Security/comment cleanup — API Gateway IAM
.../security/UserJwtAuthenticationFilter.java, .../application/security/AuditLogFilterTest.java, RateLimitFilterTest.java
Removed inline comments; test assertions strengthened to value-based matchers and eqIgnoring comparisons.
App service removal & controller rewires — Compliance Travel Rule
compliance-travel-rule/.../application/service/ComplianceCheckApplicationService.java
.../controller/ComplianceCheckController.java, CustomerRiskProfileController.java
Deleted application service; controllers now call ComplianceCheckCommandHandler and map via response mapper.
Domain/comment/adapter edits — Compliance
compliance-travel-rule/.../domain/*, infrastructure/provider/.../ChainalysisAmlAdapter.java, SdnXmlParser.java
Removed descriptive comments and replaced some locals with var; parsing defaults changed to empty blocks—no behavior change.
FX — app service removals & added domain handlers
fx-liquidity-engine/.../application/service/FxQuoteApplicationService.java, LiquidityPoolApplicationService.java
fx-liquidity-engine/.../domain/service/FxQuoteCommandHandler.java, FxRateLockCommandHandler.java, LiquidityPoolQueryHandler.java
Removed FX application services; added domain command/query handlers implementing quote retrieval, idempotent rate locking, and pool/corridor queries (cache-aside, liquidity checks, event publishing).
FX — controller/mapper/test updates
fx-liquidity-engine/.../application/controller/*, fx-liquidity-engine/.../application/mapper/FxResponseMapper.java
fx-liquidity-engine/.../test/.../*
Controllers rewired to handlers + mapper; mapper gained toResponse(CorridorSnapshot); many tests reworked to target new handlers and strict mapping verifications; some application-layer tests removed.
Merchant onboarding — service removal & tests
merchant-onboarding/.../application/service/MerchantApplicationService.java, related controller/tests
Large application service deleted; controllers/tests modified to call command handlers/verify exact signals; KYB/webhook/controller tests tightened.
Ledger/accounting & Payment orchestrator — type inference & test tightening
ledger-accounting/..., payment-orchestrator/.../PaymentCommandHandler.java, many tests
Local variable types converted to var; tests replaced wildcard matchers with argThat/eqIgnoring and explicit request objects for activity/workflow tests.
Blockchain custody, fiat ramps, PSP adapters — comment/type cleanup
blockchain-custody/..., fiat-on-ramp/..., fiat-off-ramp/..., StripePspAdapter.java, signature validators
Removed step/numbered comments; replaced explicit locals with var in select adapters; no functional changes.
Platform infra & misc cleanup
platform-infra/.../ExternalApiLoggingInterceptor.java, AbstractOutboxEventPublisher.java, TracingConfig.java
Replaced manual logger with Lombok @Slf4j; removed documentation/no-op comments; no behavior changes.
Repository API change — Merchant IAM
merchant-iam/.../domain/team/RoleRepository.java, RoleRepositoryAdapter.java
Removed countActiveUsersByRoleId(UUID) declaration and adapter override that returned constant 0L. Review for callers required.
Tests — widespread stricter Mockito usage
many test files across modules (Auth, Merchant, FX, Compliance, Ledger, Orchestrator, etc.)
Replaced any()/wildcards with explicit argument predicates/argThat/eqIgnoring matchers; removed some application-service test suites corresponding to deleted services.

Sequence Diagram(s)

mermaid
sequenceDiagram
participant Controller
participant FxQuoteHandler
participant RateCache
participant RateProvider
participant QuoteService
participant FxQuoteRepo
Controller->>FxQuoteHandler: getQuote(from,to,amount)
FxQuoteHandler->>RateCache: get(from,to)
alt cache hit
RateCache-->>FxQuoteHandler: optional(rate)
else cache miss
FxQuoteHandler->>RateProvider: fetchRate(from,to)
RateProvider-->>FxQuoteHandler: optional(rate)
alt provider returned rate
FxQuoteHandler->>RateCache: put(rate)
end
end
alt rate present
FxQuoteHandler->>QuoteService: createQuote(rate,amount)
QuoteService-->>FxQuoteHandler: quote
FxQuoteHandler->>FxQuoteRepo: save(quote)
FxQuoteRepo-->>FxQuoteHandler: savedQuote
FxQuoteHandler-->>Controller: savedQuote
else no rate
FxQuoteHandler-->>Controller: throw RateUnavailableException
end

mermaid
sequenceDiagram
participant Controller
participant FxRateLockHandler
participant FxQuoteRepo
participant LockService
participant LiquidityPoolRepo
participant LiquidityService
participant LockRepo
participant EventPublisher
Controller->>FxRateLockHandler: lockRate(quoteId,paymentId,...)
FxRateLockHandler->>LockRepo: findByPaymentId(paymentId)
alt existing lock
LockRepo-->>FxRateLockHandler: existingLock
FxRateLockHandler-->>Controller: existingLock (idempotent)
else no existing lock
FxRateLockHandler->>FxQuoteRepo: findById(quoteId)
FxQuoteRepo-->>FxRateLockHandler: quote
FxRateLockHandler->>LiquidityPoolRepo: findByCorridor(...)
LiquidityPoolRepo-->>FxRateLockHandler: pool
FxRateLockHandler->>LockService: lockRate(quote,pool)
LockService-->>FxRateLockHandler: LockResult(lockedQuote,lock,updatedPool)
FxRateLockHandler->>LockRepo: save(lock)
FxRateLockHandler->>LiquidityPoolRepo: save(updatedPool)
FxRateLockHandler->>EventPublisher: publish(FxRateLocked)
FxRateLockHandler-->>Controller: LockRateResult(lock,created=true)

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Possibly related PRs

✨ Finishing Touches
📝 Generate docstrings
  • Create stacked PR
  • Commit on current branch
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch feature/STA-249-standards-cleanup

…ollapse (STA-249)

Code-review follow-up — the initial handler-collapse commit (aa89f6e)
added FxQuoteCommandHandler and FxRateLockCommandHandler alongside
the old @service classes instead of replacing them, and left
ApiKeyApplicationService in place despite the PR description
claiming it was deleted.

Net effect before this commit: three @Service-annotated classes were
still being instantiated by Spring component scan with no callers,
and two duplicate test files (FxQuoteApplicationServiceTest,
FxRateLockApplicationServiceTest) still exercised them.

Deletes:
- api-gateway-iam/.../application/service/ApiKeyApplicationService.java
- fx-liquidity-engine/.../application/service/FxQuoteApplicationService.java
- fx-liquidity-engine/.../application/service/FxRateLockApplicationService.java
- fx-liquidity-engine/.../test/.../application/service/FxQuoteApplicationServiceTest.java
- fx-liquidity-engine/.../test/.../application/service/FxRateLockApplicationServiceTest.java

Verified: api-gateway-iam + fx-liquidity-engine unit tests BUILD
SUCCESSFUL (rerun-tasks). Rule 3 now fully resolved.

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Actionable comments posted: 11

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (7)
ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/service/JournalCommandHandler.java (1)

86-99: ⚠️ Potential issue | 🟠 Major

Fail fast when a BalanceUpdate key is missing to avoid opaque NPEs.

Both write paths dereference update without null checks. If balanceCalculator returns an incomplete map, this fails late with a non-diagnostic NPE.

Proposed hardening patch
@@
-            var update = balanceUpdates.get(key);
+            var update = balanceUpdates.get(key);
+            if (update == null) {
+                throw new IllegalStateException("Missing balance update for key: " + key);
+            }
@@
-                var update = updates.get(key);
+                var update = updates.get(key);
+                if (update == null) {
+                    throw new IllegalStateException("Missing persisted balance update for key: " + key);
+                }
                 balanceRepository.save(new AccountBalance(

Also applies to: 117-123

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/service/JournalCommandHandler.java`
around lines 86 - 99, In JournalCommandHandler, both places that read from the
balanceUpdates map before building JournalEntry (the var update =
balanceUpdates.get(key) used for constructing new JournalEntry) must fail fast
when update is null: add an explicit null-check after retrieving update and
throw a clear IllegalStateException (or similar runtime exception) that includes
the missing key (e.g. account key/accountCode) and transactionId/correlation
context, so callers get a diagnostic error rather than an NPE; apply the same
check and message to the second occurrence around the lines constructing the
other JournalEntry.
api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/MerchantCommandHandlerTest.java (1)

299-313: ⚠️ Potential issue | 🟠 Major

Remove hardcoded secret literal from test fixtures.

"raw-secret" should not be embedded in tests; use generated fixture data and reuse the variable in stubs/assertions.

Suggested patch
+            var rawSecret = UUID.randomUUID().toString();
             given(oauthClientCommandHandler.create(
                     merchantId, "Acme Corp Default Client",
                     List.of("payments:read"), List.of("client_credentials")))
-                    .willReturn(new OAuthClientCommandHandler.CreateOAuthClientResult(oauthClient, "raw-secret"));
+                    .willReturn(new OAuthClientCommandHandler.CreateOAuthClientResult(oauthClient, rawSecret));
@@
             var expectedEvent = new OAuthClientProvisionedEvent(
-                    clientId, merchantId, "raw-secret", "Acme Corp Default Client",
+                    clientId, merchantId, rawSecret, "Acme Corp Default Client",
                     List.of("payments:read"), List.of("client_credentials"), createdAt);
As per coding guidelines, "No hardcoded secrets or real PII in test fixtures".
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/MerchantCommandHandlerTest.java`
around lines 299 - 313, The test embeds a hardcoded secret ("raw-secret") when
stubbing OAuthClientCommandHandler.create and when asserting the published
OAuthClientProvisionedEvent; replace the literal with a generated fixture
variable (e.g., oauthClientSecret) and use that same variable in the
willReturn(new OAuthClientCommandHandler.CreateOAuthClientResult(oauthClient,
oauthClientSecret)) call and in the expectedEvent construction used with
eventPublisher.publish to avoid hardcoded secrets; update any fixture setup that
produces the secret so the test reuses it consistently.
merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/infrastructure/persistence/adapter/RoleRepositoryAdapter.java (1)

45-47: ⚠️ Potential issue | 🟡 Minor

Remove unused stub implementation.

The countActiveUsersByRoleId method is never invoked—role deletion validation happens directly in MerchantTeam.deleteCustomRole() via in-memory user stream filtering (MerchantTeam.java:128-134). Delete this stub or implement it if future use is planned.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/infrastructure/persistence/adapter/RoleRepositoryAdapter.java`
around lines 45 - 47, Remove the unused stub method
countActiveUsersByRoleId(UUID) from RoleRepositoryAdapter since role deletion
validation is done in-memory in MerchantTeam.deleteCustomRole; delete the method
signature and body and clean up any now-unused imports or references in
RoleRepositoryAdapter to keep the class compiling.
compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java (1)

217-242: ⚠️ Potential issue | 🟡 Minor

Use InOrder to verify provider execution sequence.

The test name shouldInvokeAllProvidersInOrder declares an intent to verify cross-mock invocation order, but sequential then(...).should() verifications only confirm each method was called—not their relative sequence. Mockito requires explicit InOrder verification to enforce strict ordering across mocks. For compliance audit trails, execution order matters.

Suggested fix
+import static org.mockito.Mockito.inOrder;
+import org.mockito.InOrder;
...
         void shouldInvokeAllProvidersInOrder() {
             // ... setup ...
             handler.initiateCheck(...);
 
-            then(kycProvider).should().verify(senderId, recipientId);
-            then(sanctionsProvider).should().screen(senderId, recipientId);
-            then(amlProvider).should().analyze(senderId, recipientId);
-            then(travelRuleProvider).should().transmit(argThat((TravelRulePackage p) -> p != null));
-            then(checkRepository).should().save(argThat((ComplianceCheck c) -> c != null));
-            then(eventPublisher).should().publish(argThat(o -> o instanceof ComplianceCheckPassed));
+            InOrder inOrder = inOrder(kycProvider, sanctionsProvider, amlProvider,
+                    travelRuleProvider, checkRepository, eventPublisher);
+            inOrder.verify(kycProvider).verify(senderId, recipientId);
+            inOrder.verify(sanctionsProvider).screen(senderId, recipientId);
+            inOrder.verify(amlProvider).analyze(senderId, recipientId);
+            inOrder.verify(travelRuleProvider).transmit(argThat((TravelRulePackage p) -> p != null));
+            inOrder.verify(checkRepository).save(argThat((ComplianceCheck c) -> c != null));
+            inOrder.verify(eventPublisher).publish(argThat(o -> o instanceof ComplianceCheckPassed));
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java`
around lines 217 - 242, The test should assert the cross-mock invocation order
instead of independent calls: create a Mockito InOrder for kycProvider,
sanctionsProvider, amlProvider, travelRuleProvider, checkRepository, and
eventPublisher, invoke handler.initiateCheck(...) as before, then use
inOrder.verify(...) on those mocks in the expected sequence (verify
kycProvider.verify(...), then sanctionsProvider.screen(...), then
amlProvider.analyze(...), then travelRuleProvider.transmit(...), then
checkRepository.save(...), then eventPublisher.publish(...)); remove the
separate then(...).should() calls or replace them with the inOrder verifications
so the test enforces strict ordering.
payment-orchestrator/payment-orchestrator/src/main/java/com/stablecoin/payments/orchestrator/domain/workflow/PaymentWorkflowImpl.java (1)

300-307: ⚠️ Potential issue | 🔴 Critical

Avoid hard-coded transfer destination in workflow execution path.

Line 305 and Line 306 hard-code recipient wallet and chain for every payment. Unless this is an explicit treasury-routing requirement, this can misroute funds and bypass corridor/recipient-specific settlement logic. Use validated destination data from workflow input (or controlled config) instead of literals.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@payment-orchestrator/payment-orchestrator/src/main/java/com/stablecoin/payments/orchestrator/domain/workflow/PaymentWorkflowImpl.java`
around lines 300 - 307, PaymentWorkflowImpl currently passes hard-coded
recipient and chain into chainTransferActivity.submitTransfer via new
ChainTransferRequest (the literal "0x742d35..." and "base"); change it to use
validated destination fields from the workflow input or a controlled routing
config instead: extract the destination address and chain from the incoming
request (e.g., request.destination()/request.getRecipientAddress() and
request.chain()/request.getDestinationChain()) or, if routing must be
centralized, read them from a validated RoutingConfig, perform
validation/sanitization, and pass those variables into the ChainTransferRequest
along with existing values (request.paymentId(), request.correlationId(),
fxResult.targetAmount()); ensure no hard-coded fallbacks except for a safe,
auditable config-derived default and add validation errors/early-fail if
destination is missing or invalid before calling
chainTransferActivity.submitTransfer.
fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/infrastructure/messaging/PaymentEventConsumerTest.java (1)

143-158: ⚠️ Potential issue | 🟡 Minor

Assert outbox silence on the non-publishing paths.

These branches never verify that eventPublisher stays untouched, and the failed no-lock case also does not assert poolRepository stays untouched. Extra side effects after an early return would still pass this suite.

Also applies to: 178-192, 213-228

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/infrastructure/messaging/PaymentEventConsumerTest.java`
around lines 143 - 158, The test branch "noLockFound" in
PaymentEventConsumerTest (and the similar branches around lines 178-192,
213-228) doesn't assert that eventPublisher and poolRepository remain untouched;
update the tests that exercise consumer.onPaymentCompleted to also verify no
interactions with eventPublisher
(then(eventPublisher).shouldHaveNoInteractions()) and with poolRepository where
appropriate (then(poolRepository).shouldHaveNoInteractions()), using the same
Mockito/BDD style as the existing assertions so early returns cannot hide
unexpected side effects.
fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/controller/FxQuoteControllerTest.java (1)

143-245: ⚠️ Potential issue | 🟡 Minor

Missing test coverage for DELETE /v1/fx/lock/{lockId} endpoint.

The controller has a releaseLock endpoint (lines 61-65 of FxQuoteController.java) that delegates to rateLockCommandHandler.releaseLock(lockId). No test verifies this delegation or the 204 No Content response.

Do you want me to generate test cases for the releaseLock endpoint?

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/controller/FxQuoteControllerTest.java`
around lines 143 - 245, Add unit tests covering the DELETE /v1/fx/lock/{lockId}
endpoint: verify that controller.releaseLock(lockId) delegates to
rateLockCommandHandler.releaseLock(lockId) and returns HttpStatus.NO_CONTENT
(204) on success, and add tests to assert that exceptions thrown by
rateLockCommandHandler.releaseLock(lockId) are propagated (e.g.,
QuoteNotFoundException). Use the existing test pattern in FxQuoteControllerTest
(nested LockRate class style) to create a new nested test class or methods that
call controller.releaseLock(lockId) and use Mockito given(...).willThrow(...) /
willDoNothing() and AssertJ assertions to check response status and exception
propagation.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.

Inline comments:
In
`@api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/security/AuditLogFilterTest.java`:
- Around line 88-99: Tests duplicate AuditLogEntry.builder() setup across
multiple cases; extract a shared helper method (e.g., expectedAuditEntry(...))
in AuditLogFilterTest to build the common AuditLogEntry and return it so
assertions reuse it. Implement a private static method that accepts the varying
values (merchantId, action, resource, sourceIp, statusCode, authMethod,
clientId) and returns the built AuditLogEntry; then replace the inline builder
blocks in the tests with calls to expectedAuditEntry(...) and keep the existing
then(auditLogRepository).should().save(eqIgnoring(expectedEntry, "logId",
"occurredAt")); assertion to avoid duplication and simplify future changes.
- Around line 123-139: The test shouldNotFailWhenRepositoryThrows in
AuditLogFilterTest currently only asserts that filterChain.doFilter was called;
add an explicit verification that auditLogRepository.save(...) was invoked (with
an AuditLogEntry matching merchantId, action "POST", resource "/v1/payments",
etc.) so the exception-handling path is exercised. After calling
filter.doFilterInternal(request, response, filterChain), add a
then(auditLogRepository).should().save(...) using eqIgnoring or an argument
matcher that ignores "logId" and "occurredAt" to assert save was attempted
despite the repository throwing.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/FxRateLockCommandHandler.java`:
- Around line 60-64: FxRateLockCommandHandler already performs the domain-level
liquidity validation using pool.hasSufficientLiquidity(...) and throws
InsufficientLiquidityException, so remove the duplicate liquidity check from
LockService.lockRate() to avoid redundant validation and the less-specific
IllegalStateException; update LockService.lockRate() to assume validation has
been done by FxRateLockCommandHandler (or delegate to it) and keep only logic
that performs the lock itself, leaving InsufficientLiquidityException handling
in the domain handler (references: FxRateLockCommandHandler,
pool.hasSufficientLiquidity, InsufficientLiquidityException,
LockService.lockRate).

In
`@fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/LiquidityPoolQueryHandler.java`:
- Line 24: CorridorSnapshot is currently an inner record of
LiquidityPoolQueryHandler but is used by other layers; extract it into a new
top-level DTO/projection (e.g., public record CorridorSnapshot(LiquidityPool
pool, CorridorRate rate)) placed in the domain/application boundary package,
remove the nested declaration from LiquidityPoolQueryHandler, update
imports/usages across the codebase to reference the new top-level
CorridorSnapshot type, and ensure the new type is public so consumers compile
without depending on the service implementation.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/domain/service/FxQuoteCommandHandlerTest.java`:
- Around line 46-99: Add tests covering stale-rate behavior: one test (e.g.,
shouldUseProviderWhenCachedRateIsStale) should mock rateCache.get("USD","EUR")
to return a corridor rate marked stale, mock rateProvider.getRate("USD","EUR")
to return a fresh corridorRate, then assert handler.getQuote("USD","EUR",
amount) returns the expected quote from quoteService.createQuote and that
rateCache.put("USD","EUR", corridorRate) was called; another test (e.g.,
shouldThrowWhenBothCachedAndProviderRatesAreStale) should mock rateCache.get to
return a stale rate and rateProvider.getRate to return Optional.empty or a stale
rate and assert handler.getQuote throws RateUnavailableException containing
"USD:EUR". Ensure you reference handler.getQuote, rateCache, rateProvider,
quoteService.createQuote, quoteRepository.save and RateUnavailableException when
locating code to change.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/domain/service/FxRateLockCommandHandlerTest.java`:
- Around line 65-213: Add a new nested test class for releaseLock and cover the
four branches of handler.releaseLock(UUID): (1) when
lockRepository.findById(lockId) returns empty assert LockNotFoundException and
no interactions with poolRepository/eventPublisher; (2) when the lock exists but
is not active assert LockNotActiveException and no further interactions; (3)
successful release: mock lockRepository.findById to return an active lock, mock
poolRepository.findByCorridor to return the pool, verify lockRepository.save and
poolRepository.save are called with updated entities and that
eventPublisher.publish(...) is invoked with the expected FxRateReleased event;
(4) pool not found: mock poolRepository.findByCorridor to return empty and
assert PoolNotFoundException and no save/publish calls. Use handler.releaseLock,
lockRepository.findById, poolRepository.findByCorridor, lockRepository.save,
poolRepository.save and eventPublisher.publish to locate and assert behavior.

In
`@ledger-accounting/ledger-accounting/src/test/java/com/stablecoin/payments/ledger/infrastructure/messaging/LedgerOutboxEventPublisherTest.java`:
- Around line 55-56: The test uses eqIgnoring(expectedEvent, "eventId") which
currently skips all Instant fields so completedAt/detectedAt aren't asserted;
update LedgerOutboxEventPublisherTest to stop relying on eqIgnoring to validate
timestamps: keep a loose check for eventId but capture the published event (via
ArgumentCaptor or a custom argThat) and explicitly assert completedAt and
detectedAt against expectedEvent (or within a small tolerance) to ensure
timestamp mapping is verified when calling outbox.schedule(...). Reference
helpers: eqIgnoring, expectedEvent, outbox.schedule, eventId, completedAt,
detectedAt.

In
`@merchant-iam/merchant-iam/src/test/java/com/stablecoin/payments/merchant/iam/domain/team/MerchantTeamServiceTest.java`:
- Around line 134-140: In MerchantTeamServiceTest, strengthen the weak argThat
checks by asserting semantic values: replace argThat((Instant i) -> i != null)
with a comparison against the persisted invitation expiry (capture the saved
Invitation via an ArgumentCaptor or match the same Instant used to persist) and
replace publish(argThat(Objects::nonNull)) with an argThat that inspects the
published event object (verify merchantId, user email/name, and
invitationId/token match expected values). Apply the same approach to the other
occurrence noted (lines ~459-463) so both the saved Invitation and the published
event are validated for expected field values instead of non-null only.

In
`@merchant-onboarding/merchant-onboarding/src/test/java/com/stablecoin/payments/merchant/onboarding/application/controller/KybWebhookControllerTest.java`:
- Line 52: The test currently asserts no interactions with kybProvider on the
invalid-signature branch but doesn't assert the Temporal client; add an
assertion to ensure workflowClient also had no interactions. In
KybWebhookControllerTest (the invalid-signature test), after
then(kybProvider).shouldHaveNoInteractions(); add
then(workflowClient).shouldHaveNoInteractions(); (or an equivalent
verifyNoMoreInteractions(workflowClient)) so the test guarantees zero downstream
side effects from invalid signatures.

In
`@payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/application/controller/PaymentControllerTest.java`:
- Around line 59-69: The repeated given(...) stubbing for
commandHandler.initiatePayment in PaymentControllerTest should be extracted into
a private helper to avoid duplication; add a method (e.g.,
stubInitiatePaymentOrReturn or whenInitiatePaymentWillReturn) inside the test
class that accepts the expected return value (initiateResult) and performs the
given(commandHandler.initiatePayment(...)).willReturn(...) call using the same
argThat predicates (IDEMPOTENCY_KEY, SENDER_ID, RECIPIENT_ID,
SOURCE_AMOUNT_VALUE, SOURCE_CURRENCY, TARGET_CURRENCY, SOURCE_COUNTRY,
TARGET_COUNTRY), then replace both verbatim blocks in the tests with a single
call to that helper to centralize the matcher logic and keep tests DRY.

In
`@payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/domain/service/PaymentCommandHandlerTest.java`:
- Around line 145-147: Replace the weak assertion that only checks
save(existingPayment) with two stronger checks: verify that paymentRepository
was queried for the idempotency key (call the repository method used in the
code, e.g., findByIdempotencyKey or findByIdempotencyKeyOrWhatever, with
existingPayment.getIdempotencyKey()) and then assert
then(paymentRepository).shouldHaveNoMoreInteractions() to ensure no other saves
or persists happened; keep the existing eventPublisher and workflowClient
no-interaction assertions. This uses paymentRepository and existingPayment as
anchors to locate and tighten the test.

---

Outside diff comments:
In
`@api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/MerchantCommandHandlerTest.java`:
- Around line 299-313: The test embeds a hardcoded secret ("raw-secret") when
stubbing OAuthClientCommandHandler.create and when asserting the published
OAuthClientProvisionedEvent; replace the literal with a generated fixture
variable (e.g., oauthClientSecret) and use that same variable in the
willReturn(new OAuthClientCommandHandler.CreateOAuthClientResult(oauthClient,
oauthClientSecret)) call and in the expectedEvent construction used with
eventPublisher.publish to avoid hardcoded secrets; update any fixture setup that
produces the secret so the test reuses it consistently.

In
`@compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java`:
- Around line 217-242: The test should assert the cross-mock invocation order
instead of independent calls: create a Mockito InOrder for kycProvider,
sanctionsProvider, amlProvider, travelRuleProvider, checkRepository, and
eventPublisher, invoke handler.initiateCheck(...) as before, then use
inOrder.verify(...) on those mocks in the expected sequence (verify
kycProvider.verify(...), then sanctionsProvider.screen(...), then
amlProvider.analyze(...), then travelRuleProvider.transmit(...), then
checkRepository.save(...), then eventPublisher.publish(...)); remove the
separate then(...).should() calls or replace them with the inOrder verifications
so the test enforces strict ordering.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/controller/FxQuoteControllerTest.java`:
- Around line 143-245: Add unit tests covering the DELETE /v1/fx/lock/{lockId}
endpoint: verify that controller.releaseLock(lockId) delegates to
rateLockCommandHandler.releaseLock(lockId) and returns HttpStatus.NO_CONTENT
(204) on success, and add tests to assert that exceptions thrown by
rateLockCommandHandler.releaseLock(lockId) are propagated (e.g.,
QuoteNotFoundException). Use the existing test pattern in FxQuoteControllerTest
(nested LockRate class style) to create a new nested test class or methods that
call controller.releaseLock(lockId) and use Mockito given(...).willThrow(...) /
willDoNothing() and AssertJ assertions to check response status and exception
propagation.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/infrastructure/messaging/PaymentEventConsumerTest.java`:
- Around line 143-158: The test branch "noLockFound" in PaymentEventConsumerTest
(and the similar branches around lines 178-192, 213-228) doesn't assert that
eventPublisher and poolRepository remain untouched; update the tests that
exercise consumer.onPaymentCompleted to also verify no interactions with
eventPublisher (then(eventPublisher).shouldHaveNoInteractions()) and with
poolRepository where appropriate
(then(poolRepository).shouldHaveNoInteractions()), using the same Mockito/BDD
style as the existing assertions so early returns cannot hide unexpected side
effects.

In
`@ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/service/JournalCommandHandler.java`:
- Around line 86-99: In JournalCommandHandler, both places that read from the
balanceUpdates map before building JournalEntry (the var update =
balanceUpdates.get(key) used for constructing new JournalEntry) must fail fast
when update is null: add an explicit null-check after retrieving update and
throw a clear IllegalStateException (or similar runtime exception) that includes
the missing key (e.g. account key/accountCode) and transactionId/correlation
context, so callers get a diagnostic error rather than an NPE; apply the same
check and message to the second occurrence around the lines constructing the
other JournalEntry.

In
`@merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/infrastructure/persistence/adapter/RoleRepositoryAdapter.java`:
- Around line 45-47: Remove the unused stub method
countActiveUsersByRoleId(UUID) from RoleRepositoryAdapter since role deletion
validation is done in-memory in MerchantTeam.deleteCustomRole; delete the method
signature and body and clean up any now-unused imports or references in
RoleRepositoryAdapter to keep the class compiling.

In
`@payment-orchestrator/payment-orchestrator/src/main/java/com/stablecoin/payments/orchestrator/domain/workflow/PaymentWorkflowImpl.java`:
- Around line 300-307: PaymentWorkflowImpl currently passes hard-coded recipient
and chain into chainTransferActivity.submitTransfer via new ChainTransferRequest
(the literal "0x742d35..." and "base"); change it to use validated destination
fields from the workflow input or a controlled routing config instead: extract
the destination address and chain from the incoming request (e.g.,
request.destination()/request.getRecipientAddress() and
request.chain()/request.getDestinationChain()) or, if routing must be
centralized, read them from a validated RoutingConfig, perform
validation/sanitization, and pass those variables into the ChainTransferRequest
along with existing values (request.paymentId(), request.correlationId(),
fxResult.targetAmount()); ensure no hard-coded fallbacks except for a safe,
auditable config-derived default and add validation errors/early-fail if
destination is missing or invalid before calling
chainTransferActivity.submitTransfer.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
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Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: 042f5388-157e-4150-9956-eeb29852b516

📥 Commits

Reviewing files that changed from the base of the PR and between 64e679b and aa89f6e.

📒 Files selected for processing (101)
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/controller/ApiKeyController.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/security/UserJwtAuthenticationFilter.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/service/ApiKeyApplicationService.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/service/AuthApplicationService.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/service/MerchantApplicationService.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/service/OAuthClientApplicationService.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/controller/ApiKeyControllerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/controller/AuthControllerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/controller/MerchantControllerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/controller/OAuthClientControllerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/security/AuditLogFilterTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/security/RateLimitFilterTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/ApiKeyCommandHandlerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/ApiKeyServiceTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/AuthCommandHandlerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/AuthServiceTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/MerchantCommandHandlerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/MerchantServiceTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/OAuthClientCommandHandlerTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/OAuthClientServiceTest.java
  • blockchain-custody/blockchain-custody/src/main/java/com/stablecoin/payments/custody/domain/service/ChainSelectionEngine.java
  • blockchain-custody/blockchain-custody/src/main/java/com/stablecoin/payments/custody/domain/service/TransferCommandHandler.java
  • blockchain-custody/blockchain-custody/src/main/java/com/stablecoin/payments/custody/infrastructure/persistence/NonceManagerPersistenceAdapter.java
  • blockchain-custody/blockchain-custody/src/test/java/com/stablecoin/payments/custody/infrastructure/provider/dev/DevCustodyAdapterTest.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/application/controller/ComplianceCheckController.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/application/controller/CustomerRiskProfileController.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/application/service/ComplianceCheckApplicationService.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/model/ComplianceCheck.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/service/RiskScoringService.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/infrastructure/provider/chainalysis/ChainalysisAmlAdapter.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/infrastructure/provider/ofacsdn/SdnXmlParser.java
  • compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/application/controller/ComplianceCheckControllerTest.java
  • compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/application/controller/CustomerRiskProfileControllerTest.java
  • compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/application/service/ComplianceCheckApplicationServiceTest.java
  • compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java
  • fiat-off-ramp/fiat-off-ramp/src/main/java/com/stablecoin/payments/offramp/domain/service/PayoutCommandHandler.java
  • fiat-off-ramp/fiat-off-ramp/src/main/java/com/stablecoin/payments/offramp/infrastructure/persistence/entity/PayoutOrderEntity.java
  • fiat-off-ramp/fiat-off-ramp/src/main/java/com/stablecoin/payments/offramp/infrastructure/provider/modulr/ModulrWebhookSignatureValidator.java
  • fiat-on-ramp/fiat-on-ramp/src/main/java/com/stablecoin/payments/onramp/domain/service/CollectionCommandHandler.java
  • fiat-on-ramp/fiat-on-ramp/src/main/java/com/stablecoin/payments/onramp/domain/service/RefundCommandHandler.java
  • fiat-on-ramp/fiat-on-ramp/src/main/java/com/stablecoin/payments/onramp/infrastructure/provider/stripe/StripePspAdapter.java
  • fiat-on-ramp/fiat-on-ramp/src/main/java/com/stablecoin/payments/onramp/infrastructure/provider/stripe/StripeSignatureValidator.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/controller/CorridorController.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/controller/FxQuoteController.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/controller/LiquidityPoolController.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/mapper/FxResponseMapper.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/service/FxQuoteApplicationService.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/service/FxRateLockApplicationService.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/service/LiquidityPoolApplicationService.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/model/FxQuote.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/FxQuoteCommandHandler.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/FxRateLockCommandHandler.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/LiquidityPoolQueryHandler.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/LockService.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/infrastructure/messaging/PaymentEventConsumer.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/controller/CorridorControllerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/controller/FxQuoteControllerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/controller/LiquidityPoolControllerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/service/FxQuoteApplicationServiceTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/service/FxRateLockApplicationServiceTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/service/LiquidityPoolApplicationServiceTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/domain/service/FxQuoteCommandHandlerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/domain/service/FxRateLockCommandHandlerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/domain/service/LiquidityPoolQueryHandlerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/infrastructure/messaging/PaymentEventConsumerTest.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/model/LedgerTransaction.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/model/ReconciliationRecord.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/service/AccountingRules.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/service/BalanceCalculator.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/service/JournalCommandHandler.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/infrastructure/messaging/LedgerEventConsumer.java
  • ledger-accounting/ledger-accounting/src/test/java/com/stablecoin/payments/ledger/domain/service/JournalCommandHandlerTest.java
  • ledger-accounting/ledger-accounting/src/test/java/com/stablecoin/payments/ledger/infrastructure/messaging/LedgerOutboxEventPublisherTest.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/application/controller/ErrorCodes.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/domain/team/MerchantTeam.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/domain/team/model/MerchantUser.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/infrastructure/persistence/adapter/RoleRepositoryAdapter.java
  • merchant-iam/merchant-iam/src/test/java/com/stablecoin/payments/merchant/iam/domain/team/AuthServiceTest.java
  • merchant-iam/merchant-iam/src/test/java/com/stablecoin/payments/merchant/iam/domain/team/MerchantTeamServiceTest.java
  • merchant-iam/merchant-iam/src/test/java/com/stablecoin/payments/merchant/iam/domain/team/model/core/PermissionTest.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/application/config/SecurityConfig.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/application/controller/ErrorCodes.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/application/controller/KybWebhookController.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/application/service/MerchantApplicationService.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/infrastructure/kyb/OnfidoKybAdapter.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/infrastructure/temporal/workflow/MerchantOnboardingWorkflowImpl.java
  • merchant-onboarding/merchant-onboarding/src/test/java/com/stablecoin/payments/merchant/onboarding/application/controller/KybWebhookControllerTest.java
  • merchant-onboarding/merchant-onboarding/src/test/java/com/stablecoin/payments/merchant/onboarding/domain/merchant/MerchantCommandHandlerTest.java
  • merchant-onboarding/merchant-onboarding/src/test/java/com/stablecoin/payments/merchant/onboarding/infrastructure/temporal/workflow/MerchantOnboardingWorkflowTest.java
  • payment-orchestrator/payment-orchestrator/src/main/java/com/stablecoin/payments/orchestrator/domain/service/PaymentCommandHandler.java
  • payment-orchestrator/payment-orchestrator/src/main/java/com/stablecoin/payments/orchestrator/domain/workflow/PaymentWorkflowImpl.java
  • payment-orchestrator/payment-orchestrator/src/main/java/com/stablecoin/payments/orchestrator/infrastructure/activity/ComplianceCheckActivityImpl.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/application/controller/PaymentControllerMvcTest.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/application/controller/PaymentControllerTest.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/domain/service/PaymentCommandHandlerTest.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/domain/workflow/PaymentWorkflowTest.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/infrastructure/activity/ComplianceCheckActivityImplTest.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/infrastructure/activity/FxLockActivityImplTest.java
  • platform-infra/src/main/java/com/stablecoin/payments/platform/infrastructure/http/ExternalApiLoggingInterceptor.java
  • platform-infra/src/main/java/com/stablecoin/payments/platform/infrastructure/messaging/AbstractOutboxEventPublisher.java
  • platform-infra/src/main/java/com/stablecoin/payments/platform/infrastructure/tracing/TracingConfig.java
💤 Files with no reviewable changes (32)
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/model/FxQuote.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/service/FxQuoteApplicationService.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/model/ComplianceCheck.java
  • fiat-off-ramp/fiat-off-ramp/src/main/java/com/stablecoin/payments/offramp/infrastructure/persistence/entity/PayoutOrderEntity.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/service/FxRateLockApplicationService.java
  • platform-infra/src/main/java/com/stablecoin/payments/platform/infrastructure/messaging/AbstractOutboxEventPublisher.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/domain/service/AccountingRules.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/application/controller/ErrorCodes.java
  • ledger-accounting/ledger-accounting/src/main/java/com/stablecoin/payments/ledger/infrastructure/messaging/LedgerEventConsumer.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/security/UserJwtAuthenticationFilter.java
  • platform-infra/src/main/java/com/stablecoin/payments/platform/infrastructure/tracing/TracingConfig.java
  • blockchain-custody/blockchain-custody/src/main/java/com/stablecoin/payments/custody/domain/service/TransferCommandHandler.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/application/controller/ErrorCodes.java
  • fiat-on-ramp/fiat-on-ramp/src/main/java/com/stablecoin/payments/onramp/domain/service/CollectionCommandHandler.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/service/RiskScoringService.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/infrastructure/messaging/PaymentEventConsumer.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/infrastructure/kyb/OnfidoKybAdapter.java
  • payment-orchestrator/payment-orchestrator/src/main/java/com/stablecoin/payments/orchestrator/infrastructure/activity/ComplianceCheckActivityImpl.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/application/config/SecurityConfig.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/domain/team/MerchantTeam.java
  • fiat-off-ramp/fiat-off-ramp/src/main/java/com/stablecoin/payments/offramp/domain/service/PayoutCommandHandler.java
  • fiat-on-ramp/fiat-on-ramp/src/main/java/com/stablecoin/payments/onramp/domain/service/RefundCommandHandler.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/LockService.java
  • compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/application/service/ComplianceCheckApplicationServiceTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/service/LiquidityPoolApplicationServiceTest.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/service/AuthApplicationService.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/service/OAuthClientApplicationService.java
  • compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/application/service/ComplianceCheckApplicationService.java
  • fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/application/service/LiquidityPoolApplicationService.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/infrastructure/temporal/workflow/MerchantOnboardingWorkflowImpl.java
  • api-gateway-iam/api-gateway-iam/src/main/java/com/stablecoin/payments/gateway/iam/application/service/MerchantApplicationService.java
  • merchant-onboarding/merchant-onboarding/src/main/java/com/stablecoin/payments/merchant/onboarding/application/service/MerchantApplicationService.java

Comment on lines +60 to +64
if (!pool.hasSufficientLiquidity(quote.targetAmount())) {
throw InsufficientLiquidityException.forCorridor(
quote.fromCurrency(), quote.toCurrency(),
quote.targetAmount(), pool.availableBalance());
}

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🧹 Nitpick | 🔵 Trivial

Duplicate liquidity check exists in LockService.

pool.hasSufficientLiquidity() is checked here and again in LockService.lockRate() (context snippet 1, lines 27-31). The domain exception thrown here (InsufficientLiquidityException) is more appropriate than IllegalStateException from LockService, so this early validation is reasonable. However, consider removing the check from LockService to avoid redundancy.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/FxRateLockCommandHandler.java`
around lines 60 - 64, FxRateLockCommandHandler already performs the domain-level
liquidity validation using pool.hasSufficientLiquidity(...) and throws
InsufficientLiquidityException, so remove the duplicate liquidity check from
LockService.lockRate() to avoid redundant validation and the less-specific
IllegalStateException; update LockService.lockRate() to assume validation has
been done by FxRateLockCommandHandler (or delegate to it) and keep only logic
that performs the lock itself, leaving InsufficientLiquidityException handling
in the domain handler (references: FxRateLockCommandHandler,
pool.hasSufficientLiquidity, InsufficientLiquidityException,
LockService.lockRate).

private final LiquidityPoolRepository poolRepository;
private final RateCache rateCache;

public record CorridorSnapshot(LiquidityPool pool, CorridorRate rate) {}

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🛠️ Refactor suggestion | 🟠 Major

Move CorridorSnapshot out of LiquidityPoolQueryHandler.

This record is now consumed outside the handler, so the application layer depends on a concrete service type instead of a stable projection. Extract it to a dedicated top-level DTO/projection at the domain/application boundary.

As per coding guidelines, fx-liquidity-engine/**: Hexagonal architecture compliance required.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/main/java/com/stablecoin/payments/fx/domain/service/LiquidityPoolQueryHandler.java`
at line 24, CorridorSnapshot is currently an inner record of
LiquidityPoolQueryHandler but is used by other layers; extract it into a new
top-level DTO/projection (e.g., public record CorridorSnapshot(LiquidityPool
pool, CorridorRate rate)) placed in the domain/application boundary package,
remove the nested declaration from LiquidityPoolQueryHandler, update
imports/usages across the codebase to reference the new top-level
CorridorSnapshot type, and ensure the new type is public so consumers compile
without depending on the service implementation.

Comment on lines +46 to +99
@Nested
@DisplayName("getQuote")
class GetQuote {

@Test
void shouldCreateQuoteFromCachedRate() {
var amount = new BigDecimal("10000.00");
var corridorRate = aUsdEurRate();
var quote = anActiveQuote();

given(rateCache.get("USD", "EUR")).willReturn(Optional.of(corridorRate));
given(quoteService.createQuote("USD", "EUR", amount, corridorRate)).willReturn(quote);
given(quoteRepository.save(quote)).willReturn(quote);

var result = handler.getQuote("USD", "EUR", amount);

assertThat(result)
.usingRecursiveComparison()
.isEqualTo(quote);

then(rateProvider).shouldHaveNoInteractions();
}

@Test
void shouldCreateQuoteFromProviderWhenCacheMisses() {
var amount = new BigDecimal("10000.00");
var corridorRate = aUsdEurRate();
var quote = anActiveQuote();

given(rateCache.get("USD", "EUR")).willReturn(Optional.empty());
given(rateProvider.getRate("USD", "EUR")).willReturn(Optional.of(corridorRate));
given(quoteService.createQuote("USD", "EUR", amount, corridorRate)).willReturn(quote);
given(quoteRepository.save(quote)).willReturn(quote);

var result = handler.getQuote("USD", "EUR", amount);

assertThat(result)
.usingRecursiveComparison()
.isEqualTo(quote);

then(rateCache).should().put("USD", "EUR", corridorRate);
}

@Test
void shouldThrowWhenNoRateAvailable() {
var amount = new BigDecimal("10000.00");
given(rateCache.get("USD", "EUR")).willReturn(Optional.empty());
given(rateProvider.getRate("USD", "EUR")).willReturn(Optional.empty());

assertThatThrownBy(() -> handler.getQuote("USD", "EUR", amount))
.isInstanceOf(RateUnavailableException.class)
.hasMessageContaining("USD:EUR");
}
}

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🛠️ Refactor suggestion | 🟠 Major

Add a stale-rate scenario for getQuote().

The new suite covers cache hit/miss, but it does not prove what happens when the cached or provider rate is stale. Please add one case that locks down the expected reject/fallback behavior before a quote is created.

As per coding guidelines, fx-liquidity-engine/**: Quote expiry and staleness must be enforced.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/domain/service/FxQuoteCommandHandlerTest.java`
around lines 46 - 99, Add tests covering stale-rate behavior: one test (e.g.,
shouldUseProviderWhenCachedRateIsStale) should mock rateCache.get("USD","EUR")
to return a corridor rate marked stale, mock rateProvider.getRate("USD","EUR")
to return a fresh corridorRate, then assert handler.getQuote("USD","EUR",
amount) returns the expected quote from quoteService.createQuote and that
rateCache.put("USD","EUR", corridorRate) was called; another test (e.g.,
shouldThrowWhenBothCachedAndProviderRatesAreStale) should mock rateCache.get to
return a stale rate and rateProvider.getRate to return Optional.empty or a stale
rate and assert handler.getQuote throws RateUnavailableException containing
"USD:EUR". Ensure you reference handler.getQuote, rateCache, rateProvider,
quoteService.createQuote, quoteRepository.save and RateUnavailableException when
locating code to change.

12 fixes addressing CodeRabbit review comments:

Production:
- merchant-iam: delete unused countActiveUsersByRoleId stub from
  RoleRepository + adapter (role deletion validates in-memory via
  MerchantTeam.deleteCustomRole).

Tests:
- MerchantCommandHandlerTest: replace hardcoded "raw-secret" literal
  with UUID.randomUUID() reused between stub and expected event.
- ComplianceCheckCommandHandlerTest: use Mockito InOrder over all six
  providers/repo/publisher to enforce cross-mock invocation sequence
  (shouldInvokeAllProvidersInOrder).
- PaymentEventConsumerTest: assert shouldHaveNoInteractions() on
  eventPublisher and poolRepository for all early-return branches
  (idempotentConsumed, noLockFound, idempotentExpired, noLockFoundFailed).
- FxQuoteControllerTest: new @nested ReleaseLock with success (204) +
  LockNotFoundException propagation.
- AuditLogFilterTest: extract shared expectedAuditEntry(...) helper;
  add missing then(auditLogRepository).should().save(...) assertion in
  shouldNotFailWhenRepositoryThrows so exception-handling path is
  actually exercised.
- FxRateLockCommandHandlerTest: new @nested ReleaseLock with 4 tests —
  LockNotFoundException, skip-when-already-expired, happy path with
  liquidity return, pool-missing graceful handling.
- MerchantTeamServiceTest: replace argThat(Instant i -> i != null) with
  ArgumentCaptor + isAfter(now) semantic check; replace publish(argThat(
  Objects::nonNull)) with eqIgnoring on a fully-built expected event.
- KybWebhookControllerTest: add then(workflowClient).shouldHaveNoInteractions()
  to invalid-signature test.
- PaymentCommandHandlerTest: strengthen idempotency-replay assertion —
  verify findByIdempotencyKey was called + shouldHaveNoMoreInteractions().
- PaymentControllerTest: extract private stubInitiatePayment helper to
  DRY up repeated given(commandHandler.initiatePayment(...)) blocks.
- LedgerOutboxEventPublisherTest: switch from eqIgnoring to ArgumentCaptor
  so completedAt/detectedAt Instants are actually asserted (TestUtils.eqIgnoring
  type-ignores all Instants by design — not suitable for timestamp verification).

Not fixed, documented in PR reply:
- JournalCommandHandler NPE hardening: CLAUDE.md forbids validation for
  scenarios that cannot happen; BalanceUpdate key is guaranteed by
  BalanceCalculator contract.
- PaymentWorkflowImpl hard-coded wallet/chain: pre-existing sandbox
  placeholder from STA-243, out of scope for STA-249 cleanup.
- LockService duplicate liquidity check: pre-existing duplication
  inherited from deleted FxRateLockApplicationService; requires touching
  LockService which is out of scope. Follow-up ticket.
- CorridorSnapshot extraction to top-level: style preference. Inner
  record is the minimal surface area for an internal projection.

Verified: ./gradlew test -x :phase2-integration-tests:test
-x :phase3-integration-tests:test BUILD SUCCESSFUL (128 tasks).
@Puneethkumarck

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CodeRabbit review response — commit a61a184

Thanks for the thorough review. Addressed 12 of 18 comments; 4 marked as out-of-scope / will-not-fix with rationale; 2 verified to be non-issues.

✅ Fixed (12)

# Comment File Fix
1 Unused countActiveUsersByRoleId stub RoleRepositoryAdapter.java:45-47 + interface Deleted from both interface and adapter.
2 Hardcoded "raw-secret" in tests MerchantCommandHandlerTest.java:299-313 Replaced with var rawSecret = UUID.randomUUID().toString().
3 Sequential then().should() doesn't verify ordering ComplianceCheckCommandHandlerTest.java:217-242 Switched to Mockito InOrder over all 6 mocks.
4 Early-return branches don't assert no side effects PaymentEventConsumerTest.java (3 branches) Added then(eventPublisher).shouldHaveNoInteractions() + poolRepository where applicable.
5 Missing tests for DELETE /v1/fx/lock/{lockId} FxQuoteControllerTest.java Added @Nested ReleaseLock with success (204) + LockNotFoundException propagation.
6a AuditLogEntry.builder() duplication AuditLogFilterTest.java:88-99 Extracted expectedAuditEntry(...) helper used by all 4 tests.
6b shouldNotFailWhenRepositoryThrows doesn't verify save was attempted AuditLogFilterTest.java:123-139 Added then(auditLogRepository).should().save(...) assertion.
7 No test coverage for releaseLock handler FxRateLockCommandHandlerTest.java Added @Nested ReleaseLock with 4 tests: not-found, already-expired, happy-path, pool-missing graceful.
8 Weak argThat((Instant i) -> i != null) MerchantTeamServiceTest.java:134,459 Replaced with ArgumentCaptor<Instant> + isAfter(now) semantic check + full expected event via eqIgnoring.
9 Invalid-signature test misses workflowClient KybWebhookControllerTest.java:52 Added then(workflowClient).shouldHaveNoInteractions().
10 Weak idempotency-replay assertion PaymentCommandHandlerTest.java:145-147 Added findByIdempotencyKey verification + shouldHaveNoMoreInteractions().
11 Repeated stubbing in PaymentControllerTest PaymentControllerTest.java:59-69 Extracted private stubInitiatePayment(InitiateResult) helper.
12 eqIgnoring skips Instant fields LedgerOutboxEventPublisherTest.java:55-56 Great catch. Our TestUtils.eqIgnoring type-ignores Instant.class by design. Refactored this test to ArgumentCaptor + explicit assertions on completedAt / detectedAt. Shared helper left unchanged because ~30 other tests rely on the timestamp-ignoring behavior.

⏭ Out of scope — follow-up tickets (3)

# Comment Rationale
13 PaymentWorkflowImpl.java:300-307 hard-coded wallet/chain Pre-existing sandbox placeholder from STA-243, untouched by this PR's diff. Will be replaced when S4 blockchain-custody service wires real recipient addresses. Logged as a follow-up.
14 FxRateLockCommandHandler.java:64 duplicate liquidity check in LockService.lockRate() Pre-existing duplication inherited verbatim from the now-deleted FxRateLockApplicationService. Removing the check in LockService is a behavioral change to untouched code — out of STA-249 cleanup scope. Will open a follow-up to consolidate the domain invariant.
15 CorridorSnapshot should be top-level Style preference. Keeping it nested inside LiquidityPoolQueryHandler minimizes surface area for an internal projection used by exactly one mapper method. Happy to revisit if it grows more consumers.

🚫 Will not fix (1)

# Comment Rationale
16 JournalCommandHandler.java:86-99 — fail fast on missing BalanceUpdate CLAUDE.md explicitly says "Don't add error handling, fallbacks, or validation for scenarios that can't happen. Trust internal code and framework guarantees." The balanceUpdates map is built by BalanceCalculator.computeBalances() iterating request.entries() and keying via balanceKey(accountCode, currency) — the read side uses the same iterator and same keying function. The key is guaranteed present by the calculator's contract. Adding a null check would violate the rule I'm cleaning up in this PR.

✅ Verified, no action needed (2)

# Comment Finding
17 FxQuoteCommandHandlerTest.java:46-99 — add stale-rate tests The handler has no stale-detection logic — staleness is a RateCache implementation concern. From the handler's perspective a stale cache returns Optional.empty() and triggers provider fetch, which is already covered by shouldCreateQuoteFromProviderWhenCacheMisses. The second suggestion (both cache + provider return empty) is already covered by shouldThrowWhenNoRateAvailable.
18 (CodeRabbit latest review) dbb9556 "No actionable comments were generated in the recent review. 🎉"

Verification

./gradlew test -x :phase2-integration-tests:test -x :phase3-integration-tests:testBUILD SUCCESSFUL (128 actionable tasks, all unit tests green).

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Actionable comments posted: 2

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java (1)

337-361: ⚠️ Potential issue | 🟠 Major

Add explicit fail-closed test for sanctions provider exceptions.

This class validates sanctions-hit behavior, but it does not assert the exception path for sanctionsProvider.screen(...). For this service, the error path should be explicitly covered to ensure rejection, persistence of FAILED state, and failure-event publication.

As per coding guidelines, "Sanctions screening must be fail-closed (reject on error, not pass)".

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java`
around lines 337 - 361, Add a new test in ComplianceCheckCommandHandlerTest that
simulates sanctionsProvider.screen(...) throwing an exception and asserts the
pipeline fail-closed behavior: stub given(sanctionsProvider.screen(senderId,
recipientId)).willThrow(new RuntimeException("...")); call
handler.initiateCheck(paymentId, senderId, recipientId, ...); verify the
returned/ persisted ComplianceCheck has status ComplianceCheckStatus.FAILED and
overallResult OverallResult.FAILED by configuring checkRepository.save(...) to
return its argument and asserting usingRecursiveComparison on
paymentId/status/overallResult; also assert amlProvider has no interactions and
that the failure event is published via the event publisher (e.g.
verify(eventPublisher).publish(...)/publishEvent(...)). Ensure the test uses
UUIDs like the existing tests and mirrors setup of shouldStopOnSanctionsHit for
consistency.
♻️ Duplicate comments (1)
payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/domain/service/PaymentCommandHandlerTest.java (1)

154-165: ⚠️ Potential issue | 🟡 Minor

Assert the duplicate-save fallback explicitly.

Line 164 stubs paymentRepository.save(...) to throw, but this test never proves that the save was actually attempted or that the handler performed the retry lookup after the conflict. As written, it can still pass if the implementation does two idempotency lookups and skips the concurrent-duplicate branch entirely. Add repository interaction assertions for the save(...) call and the post-conflict lookup/no-more-interactions.

Also applies to: 181-182

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/domain/service/PaymentCommandHandlerTest.java`
around lines 154 - 165, Test currently stubs paymentRepository.save(...) to
throw a DataIntegrityViolationException but never asserts that save was invoked
or that the handler retried the idempotency lookup; update the test to
explicitly verify paymentRepository.save(...) was called with the expected
Payment (use the same eqIgnoring matcher), then verify
paymentRepository.findByIdempotencyKey(IDEMPOTENCY_KEY) was called again after
the exception and assert no further interactions with paymentRepository;
reference the existing symbols paymentRepository.save,
paymentRepository.findByIdempotencyKey, Payment.initiate, and anInitiatedPayment
when adding these interaction verifications so the test proves the
duplicate-save fallback path is exercised.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.

Inline comments:
In
`@compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java`:
- Around line 110-112: Replace permissive argThat matchers used in the mock
setups for travelRuleProvider.transmit and checkRepository.save with
ArgumentCaptor-based assertions: capture the TravelRulePackage passed to
travelRuleProvider.transmit (use
ArgumentCaptor.forClass(TravelRulePackage.class)) and assert using
usingRecursiveComparison().comparingOnlyFields("checkId","originatorVasp","beneficiaryVasp","protocolRef");
capture the ComplianceCheck passed to checkRepository.save
(ArgumentCaptor.forClass(ComplianceCheck.class)) and assert
usingRecursiveComparison().comparingOnlyFields("paymentId","senderId","recipientId","status");
update all occurrences (including the setups around travelRuleProvider.transmit
and checkRepository.save) to return the same stubbing results but validate the
captured objects instead of only checking non-null with argThat.
- Around line 754-757: The test ComplianceCheckCommandHandlerTest should assert
that no downstream providers are touched when a DuplicatePaymentException
triggers the early exit; add then(sanctionsProvider).shouldHaveNoInteractions(),
then(amlProvider).shouldHaveNoInteractions(),
then(profileRepository).shouldHaveNoInteractions(),
then(eventPublisher).shouldHaveNoInteractions(), and
then(travelRuleProvider).shouldHaveNoInteractions() alongside the existing
kycProvider and checkRepository assertions in the duplicate-payment early-exit
test so any refactor that accidentally runs compliance checks before duplicate
validation will fail the test.

---

Outside diff comments:
In
`@compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java`:
- Around line 337-361: Add a new test in ComplianceCheckCommandHandlerTest that
simulates sanctionsProvider.screen(...) throwing an exception and asserts the
pipeline fail-closed behavior: stub given(sanctionsProvider.screen(senderId,
recipientId)).willThrow(new RuntimeException("...")); call
handler.initiateCheck(paymentId, senderId, recipientId, ...); verify the
returned/ persisted ComplianceCheck has status ComplianceCheckStatus.FAILED and
overallResult OverallResult.FAILED by configuring checkRepository.save(...) to
return its argument and asserting usingRecursiveComparison on
paymentId/status/overallResult; also assert amlProvider has no interactions and
that the failure event is published via the event publisher (e.g.
verify(eventPublisher).publish(...)/publishEvent(...)). Ensure the test uses
UUIDs like the existing tests and mirrors setup of shouldStopOnSanctionsHit for
consistency.

---

Duplicate comments:
In
`@payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/domain/service/PaymentCommandHandlerTest.java`:
- Around line 154-165: Test currently stubs paymentRepository.save(...) to throw
a DataIntegrityViolationException but never asserts that save was invoked or
that the handler retried the idempotency lookup; update the test to explicitly
verify paymentRepository.save(...) was called with the expected Payment (use the
same eqIgnoring matcher), then verify
paymentRepository.findByIdempotencyKey(IDEMPOTENCY_KEY) was called again after
the exception and assert no further interactions with paymentRepository;
reference the existing symbols paymentRepository.save,
paymentRepository.findByIdempotencyKey, Payment.initiate, and anInitiatedPayment
when adding these interaction verifications so the test proves the
duplicate-save fallback path is exercised.
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📥 Commits

Reviewing files that changed from the base of the PR and between dbb9556 and a61a184.

📒 Files selected for processing (13)
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/application/security/AuditLogFilterTest.java
  • api-gateway-iam/api-gateway-iam/src/test/java/com/stablecoin/payments/gateway/iam/domain/service/MerchantCommandHandlerTest.java
  • compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/application/controller/FxQuoteControllerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/domain/service/FxRateLockCommandHandlerTest.java
  • fx-liquidity-engine/fx-liquidity-engine/src/test/java/com/stablecoin/payments/fx/infrastructure/messaging/PaymentEventConsumerTest.java
  • ledger-accounting/ledger-accounting/src/test/java/com/stablecoin/payments/ledger/infrastructure/messaging/LedgerOutboxEventPublisherTest.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/domain/team/RoleRepository.java
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/infrastructure/persistence/adapter/RoleRepositoryAdapter.java
  • merchant-iam/merchant-iam/src/test/java/com/stablecoin/payments/merchant/iam/domain/team/MerchantTeamServiceTest.java
  • merchant-onboarding/merchant-onboarding/src/test/java/com/stablecoin/payments/merchant/onboarding/application/controller/KybWebhookControllerTest.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/application/controller/PaymentControllerTest.java
  • payment-orchestrator/payment-orchestrator/src/test/java/com/stablecoin/payments/orchestrator/domain/service/PaymentCommandHandlerTest.java
💤 Files with no reviewable changes (1)
  • merchant-iam/merchant-iam/src/main/java/com/stablecoin/payments/merchant/iam/domain/team/RoleRepository.java

Comment on lines +110 to 112
given(travelRuleProvider.transmit(argThat((TravelRulePackage p) -> p != null))).willReturn("tr-ref-123");
given(checkRepository.save(argThat((ComplianceCheck c) -> c != null)))
.willAnswer(invocation -> invocation.getArgument(0));

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⚠️ Potential issue | 🟠 Major

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Locate permissive non-null argThat matchers in this test class
rg -n 'argThat\(\(.*\)\s*->\s*.*!=\s*null\)' compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java

Repository: Puneethkumarck/stablebridge-platform

Length of output: 2798


🏁 Script executed:

#!/bin/bash
# Find TravelRulePackage class definition
fd -t f 'TravelRulePackage.java' compliance-travel-rule/

Repository: Puneethkumarck/stablebridge-platform

Length of output: 210


🏁 Script executed:

#!/bin/bash
# Find ComplianceCheck class definition
fd -t f 'ComplianceCheck.java' compliance-travel-rule/

Repository: Puneethkumarck/stablebridge-platform

Length of output: 208


🏁 Script executed:

#!/bin/bash
# Check for existing ArgumentCaptor usage in test files
rg -n 'ArgumentCaptor' compliance-travel-rule/ -t java --max-count 10

Repository: Puneethkumarck/stablebridge-platform

Length of output: 2264


🏁 Script executed:

#!/bin/bash
# Read TravelRulePackage domain class
cat -n compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/model/TravelRulePackage.java

Repository: Puneethkumarck/stablebridge-platform

Length of output: 734


🏁 Script executed:

#!/bin/bash
# Read ComplianceCheck domain class
cat -n compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/model/ComplianceCheck.java

Repository: Puneethkumarck/stablebridge-platform

Length of output: 15299


🏁 Script executed:

#!/bin/bash
# Show one example of ArgumentCaptor usage in context (around line 145)
sed -n '140,155p' compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java

Repository: Puneethkumarck/stablebridge-platform

Length of output: 808


Replace permissive argThat matchers with ArgumentCaptor to validate compliance-critical fields.

Current matchers check only non-null status, skipping audit-trail fields. Use ArgumentCaptor.forClass() with usingRecursiveComparison().comparingOnlyFields() to assert on paymentId, senderId, recipientId, status in ComplianceCheck; and checkId, originatorVasp, beneficiaryVasp, protocolRef in TravelRulePackage. This pattern is already established at line 145+ in this test file.

Affected lines: 110–112, 138–139, 170–171, 202, 231–233, 243–245, and 17 instances total.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java`
around lines 110 - 112, Replace permissive argThat matchers used in the mock
setups for travelRuleProvider.transmit and checkRepository.save with
ArgumentCaptor-based assertions: capture the TravelRulePackage passed to
travelRuleProvider.transmit (use
ArgumentCaptor.forClass(TravelRulePackage.class)) and assert using
usingRecursiveComparison().comparingOnlyFields("checkId","originatorVasp","beneficiaryVasp","protocolRef");
capture the ComplianceCheck passed to checkRepository.save
(ArgumentCaptor.forClass(ComplianceCheck.class)) and assert
usingRecursiveComparison().comparingOnlyFields("paymentId","senderId","recipientId","status");
update all occurrences (including the setups around travelRuleProvider.transmit
and checkRepository.save) to return the same stubbing results but validate the
captured objects instead of only checking non-null with argThat.

Comment on lines +754 to 757
then(kycProvider).shouldHaveNoInteractions();
then(checkRepository).should().findByPaymentId(paymentId);
then(checkRepository).shouldHaveNoMoreInteractions();
}

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⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:

cat -n compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java | sed -n '740,770p'

Repository: Puneethkumarck/stablebridge-platform

Length of output: 1659


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find compliance-travel-rule -name "ComplianceCheckCommandHandler.java" -not -path "*Test*"

Repository: Puneethkumarck/stablebridge-platform

Length of output: 224


🏁 Script executed:

cat -n compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandler.java | head -100

Repository: Puneethkumarck/stablebridge-platform

Length of output: 5475


🏁 Script executed:

cat -n compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandler.java | sed -n '48,110p'

Repository: Puneethkumarck/stablebridge-platform

Length of output: 3122


🏁 Script executed:

cat -n compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java | sed -n '1,100p'

Repository: Puneethkumarck/stablebridge-platform

Length of output: 5849


🏁 Script executed:

cat -n compliance-travel-rule/compliance-travel-rule/src/main/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandler.java | sed -n '85,140p'

Repository: Puneethkumarck/stablebridge-platform

Length of output: 2859


Add no-interaction assertions for all downstream providers in duplicate-payment early-exit.

The test only blocks kycProvider and checkRepository interactions. Since DuplicatePaymentException is thrown before the compliance pipeline executes (line 55 in handler), add shouldHaveNoInteractions() assertions for sanctionsProvider, amlProvider, profileRepository, eventPublisher, and travelRuleProvider to prevent regression where refactoring might inadvertently execute compliance checks before duplicate validation.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In
`@compliance-travel-rule/compliance-travel-rule/src/test/java/com/stablecoin/payments/compliance/domain/service/ComplianceCheckCommandHandlerTest.java`
around lines 754 - 757, The test ComplianceCheckCommandHandlerTest should assert
that no downstream providers are touched when a DuplicatePaymentException
triggers the early exit; add then(sanctionsProvider).shouldHaveNoInteractions(),
then(amlProvider).shouldHaveNoInteractions(),
then(profileRepository).shouldHaveNoInteractions(),
then(eventPublisher).shouldHaveNoInteractions(), and
then(travelRuleProvider).shouldHaveNoInteractions() alongside the existing
kycProvider and checkRepository assertions in the duplicate-payment early-exit
test so any refactor that accidentally runs compliance checks before duplicate
validation will fail the test.

@Puneethkumarck Puneethkumarck merged commit 4dafa44 into main Apr 11, 2026
29 of 32 checks passed
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