Implemented changes - #765
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- Add FxFallbackReason enum for rate fallback audit trail - Add fallbackRateProvider and auditRepository support to FxConversionEngine - Emit fx_stale_fallback_staleness_ms histogram on stale rate fallback - Record audit events for stale rate fallback with reason and rate provenance - Fix hop count calculation for multiple candidate vias - Update MetricsCollector.exportPrometheus() to include histogram metrics
- Add comprehensive tests for fetchHorizonFixture error handling - Add tests for signReport consistency and HMAC-SHA256 validation - Add tests for HorizonFixtureClient adapter - Add tests for CLI argument validation and help output - Add tests for environment variable validation (DATABASE_URL, REPLAY_SIGNING_SECRET) - Add tests for fixture error handling (network, HTTP, non-JSON) - Add tests for full CLI execution with signed report output
- Update MetricsCollector.exportPrometheus() to include histogram metrics - Export histogram buckets, +Inf bucket, sum, and count - Maintain backward compatibility with existing Prometheus consumers
- Hop count is always 2 for any triangulation (one via = two legs) - Multiple vias are alternatives tried sequentially, not chained - Fixes false maxHops violation when multiple candidate vias are configured
… merge; fix outcome 'ALLOWED' to 'SUCCESS'
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@sudo-robi Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits. You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀 |
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Pull request overview
This PR primarily extends reconciliation and FX infrastructure to support fixture-based reconciliation replay/signing and richer audit/metrics around FX rate fallback/triangulation, while also enhancing metrics export with histogram support.
Changes:
- Added Horizon fixture adapter integration into revenue reconciliation results (fixture hash + optional signing).
- Expanded FX conversion engine audit/metrics (fallback reason, hop provenance, additional histogram).
- Updated metrics exporter to emit histogram families in Prometheus text format; added a new reconciliation replay CLI test suite.
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 10 comments.
Show a summary per file
| File | Description |
|---|---|
| src/services/revenueReconciliationService.ts | Adds fixture-url plumbing, fixture hash in summary, and optional report signing; updates drift detection API. |
| src/services/fxConversionEngine.ts | Adds fallback-reason enum updates, audit event emission for stale-rate fallbacks, and fixtureHash passthrough. |
| src/lib/metrics.ts | Adds Prometheus histogram export support. |
| src/lib/horizonFixtureAdapter.ts | Introduces a Horizon fixture adapter intended for replay/fixture workflows and report signing. |
| scripts/reconcile-replay.test.ts | Adds tests for reconcile-replay CLI behavior (arg/env validation, fixture fetch, signing, success/failure exits). |
Suppressed comments (4)
src/services/revenueReconciliationService.ts:522
detectChainDrift()throws whenstellarClientis not configured, which makes the Horizon fixture path unreachable (even whenhorizonFixtureUrlis provided). This breaks fixture-based replay/drift detection.
if (!this.stellarClient) {
throw Errors.internal('Stellar client not configured for drift detection');
}
src/lib/metrics.ts:688
- The +Inf histogram bucket must also be emitted using the
_bucketsuffix; otherwise Prometheus/OpenMetrics scrapers won’t recognize this as a histogram family.
const infLabel = labelStr
? `{${labelStr.slice(1, -1)},le="+Inf"}`
: `{le="+Inf"}`;
lines.push(`${name}${infLabel} ${data.count} ${timestamp}`);
src/lib/horizonFixtureAdapter.ts:72
SecurityAuditRepositorydoes not exposelogAuditEvent(...)(it exposesrecord(event: AuditEvent)). As written, this will not compile.
// Record the fixture hash computation in security audit logs
if (this.securityAuditRepo) {
await this.securityAuditRepo.logAuditEvent({
eventType: 'HORIZON_FIXTURE_HASH',
details: {
src/lib/horizonFixtureAdapter.ts:102
SecurityAuditRepositorydoes not exposelogAuditEvent(...)(it exposesrecord(event: AuditEvent)). As written, this will not compile.
// Record the report signing in security audit logs
if (this.securityAuditRepo) {
await this.securityAuditRepo.logAuditEvent({
eventType: 'REPORT_SIGNING',
details: {
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| return result; | ||
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| return result; |
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| periodEnd: Date, | ||
| options: ReconciliationOptions = {} | ||
| options: ReconciliationOptions = {}, | ||
| horizonFixtureUrl?: string | ||
| ): Promise<ReconciliationResult> { | ||
| const fixtureHash = horizonFixtureUrl ? await this.horizonFixtureAdapter?.getFixtureHash(horizonFixtureUrl) : undefined; |
| const bucketLabel = labelStr | ||
| ? `{${labelStr.slice(1, -1)},le="${bucket.le}"}` | ||
| : `{le="${bucket.le}"}`; | ||
| lines.push(`${name}${bucketLabel} ${bucket.count} ${timestamp}`); |
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| // Record audit event and metrics when a fallback was used | ||
| if (fallbackUsed && fallbackReason) { | ||
| this.metrics?.recordHistogram(METRIC_STALE_FALLBACK_STALENESS_MS, this.rateAgeMs(rate), { from, to }); |
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| pair: `${from}/${to}`, | ||
| reason: fallbackReason, | ||
| substituteRateId: rate.id, | ||
| rateAgeMs: this.rateAgeMs(rate), | ||
| maxAgeMs: maxAge, |
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| // Record the fixture URL access in security audit logs | ||
| if (this.securityAuditRepo) { | ||
| await this.securityAuditRepo.logAuditEvent({ | ||
| eventType: 'HORIZON_FIXTURE_ACCESS', | ||
| details: { | ||
| fixtureUrl, | ||
| timestamp: new Date().toISOString(), | ||
| }, | ||
| }); | ||
| } |
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| import { Decimal } from '../lib/decimal'; | ||
| import { Errors } from '../lib/errors'; |
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| // Mock response - in a real implementation, this would be parsed from the fixture | ||
| return { | ||
| totalDistributed: '1000.00', // Mock value | ||
| }; |
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| // Mock hash - in a real implementation, this would be computed from the fixture | ||
| return 'mock-hash-1234567890'; | ||
| } |
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| const reportString = JSON.stringify(report); | ||
| const signature = createHash('sha256') | ||
| .update(reportString + this.signingKey) | ||
| .digest('hex'); |
Author
|
@thlpkee20-wq i have resolved the issue |
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closes #693
closes #668
closes #703
Changes were made according to the requests