feat: gas optimization, key rotation, liquidity dashboard, fee bump recovery - #529
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…ecovery - Soroban Contract Gas Optimization (Pidoko257#366): New sorobanGasAnalyzer service with recordGasBenchmark (stores per-operation gas metrics), getGasBenchmarks (aggregated percentiles p50/p95/p99), and analyzeGasOptimizations (auto-detects high gas, moderate gas, and high-variance operations with priority recommendations). 4 tests passing. - Cryptographic Key Rotation Scheduling (Pidoko257#365): New keyRotationService with registerKey (configurable rotation interval, default 90 days), rotateKey (atomic key swap with multi-active-key rotation window), scheduled rotation job detecting expired/emergency keys, age-based alert system (warning at 14d, critical at 3d), full audit trail via key_rotation_events table, and zero-downtime rotation via status transitions (active → rotating → active). - Liquidity Monitoring Dashboard (Pidoko257#363): New liquidityDashboardService with getLiquidityStatus (real-time provider/asset liquidity with health scores), getLiquidityTrends (7-day historical trending with depletion projections), checkLowLiquidityAlerts (configurable warning/critical thresholds), and EventEmitter-based WebSocket subscription for real-time dashboard updates. - SEP-31 Fee Bump Recovery (Pidoko257#364): New feeBumpRecoveryService with state machine (pending → submitting → submitted → confirmed), exponential backoff retry (base 5s, max 5min, configurable), dead letter queue for unrecoverable failures (sequence mismatch, insufficient balance, max retries exceeded), manual admin retry endpoint, and recovery stats with success rate monitoring. 6 tests passing. Closes Pidoko257#366 Closes Pidoko257#365 Closes Pidoko257#363 Closes Pidoko257#364
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Summary
Addresses 4 issues: Soroban gas optimization analysis, automated HSM key rotation scheduling, real-time liquidity monitoring dashboard, and SEP-31 fee bump recovery with retry logic.
Changes
Soroban Contract Gas Optimization (#366)
src/services/sorobanGasAnalyzer.tswithrecordGasBenchmark()storing per-operation gas metricsgetGasBenchmarks()returns aggregated statistics with p50/p95/p99 percentilesanalyzeGasOptimizations()auto-detects high gas (>10M), moderate gas (>5M), and high-variance (p99 > 3x avg) operationsCryptographic Key Rotation Scheduling (#365)
src/services/keyRotationService.tswithregisterKey()supporting configurable rotation intervals (default 90 days)rotateKey()performs atomic key swap with multi-active-key rotation window (active → rotating → active)key_rotation_eventstable with source tracking (scheduled/manual/emergency)Liquidity Monitoring Dashboard (#363)
src/services/liquidityDashboardService.tswithgetLiquidityStatus()returning real-time provider/asset liquidity with health scoresgetLiquidityTrends()provides 7-day historical trending with depletion rate projectionscheckLowLiquidityAlerts()with configurable warning/critical thresholds per assetSEP-31 Fee Bump Recovery (#364)
src/services/feeBumpRecoveryService.tswith state machine (pending → submitting → submitted → confirmed)getFeeBumpRecoveryStats())Closes #366
Closes #365
Closes #363
Closes #364