feat: Gas Optimization & Fee Analysis#93
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- Add transaction_fees, fee_estimates, fee_analytics_snapshots tables (migration 003) - Implement Soroban fee estimator with pre-submission simulation, resource footprint analysis, and optimization hint generation (feeEstimator.ts) - Add gas analytics engine with per-operation cost breakdown, storage usage analysis, efficiency scoring, and recommendations (lib/gas/analyzer.ts) - Upgrade deploy.ts from stub to fee-optimized real Soroban deployment; stub path preserved when SOROBAN_RPC_URL is unset - Add POST /api/contracts/fee-estimate for pre-deployment cost preview - Add GET /api/gas/analytics for platform-wide fee efficiency report - Capture actual fees in worker for every escrow deposit/release/refund - Add FeeAnalysis dashboard component and FeeEstimatePreview inline widget - Document new env vars in env.example Closes: Gas Optimization and Fee Analysis issue
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@pugsley76 resolve the merge conflicts properly |
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closes #84
Summary
Implements gas cost measurement, storage optimization, and transaction fee analysis for Soroban escrow contracts on the Stellar network.
Changes
Database
transaction_fees,fee_estimates, andfee_analytics_snapshotstables with indexes for fast analytics queriesCore Engine
lib/soroban/feeEstimator.ts— pre-submission simulation via Soroban RPC, resource footprint analysis (CPU, memory, ledger I/O, tx size), optimization hint generation, and actual fee extraction from confirmed transactionslib/gas/analyzer.ts— per-operation cost breakdown, storage usage analysis, efficiency scoring (0–100), daily trend aggregation, and prioritized recommendationsAPI Routes
POST /api/contracts/fee-estimate— returns min/recommended/max fee estimate before deploymentGET /api/gas/analytics— full efficiency report (admin) or user fee summaryWorker
scripts/worker.ts— capturesfee_chargedfrom every Horizon payment event and persists it for analyticsDeployment
lib/soroban/deploy.ts— upgraded from stub to fee-optimized real deployment; stub path preserved whenSOROBAN_RPC_URLis unsetUI
components/dashboard/fee-analysis.tsx— efficiency score gauge, cost breakdown table, daily trend chart, storage usage chart, and recommendation cardsFeeEstimatePreviewinline widget for the contract creation formAcceptance Criteria