wave4: add reliability, performance, and data accuracy improvements#188
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ritik4ever merged 1 commit intoritik4ever:mainfrom Apr 25, 2026
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…ents Implements four interconnected enhancements: 1. Retry with exponential backoff (#133): Add retryWithBackoff helper to handle transient network errors in RPC calls. Retries up to 3 times with delays of 1s, 2s, 4s for timeout/network errors only. 2. RPC response caching (#132): Implement in-memory TTL cache (5s) for get_stream calls to reduce redundant RPC requests. Cache is invalidated on createStream and cancelStream operations. 3. Refund amount propagation (#134): Extract refund amount from on-chain cancel transaction response. Add refunded_amount column to streams table and include in API responses and webhooks. 4. Stream archival (#137): Add stream_archive table and archiveOldStreams() function to move completed streams older than 30 days. Runs on startup and every 24 hours. Archived streams excluded from listStreams() by default but can be included via ?include_archived=true query param. Also fixes bugs in cancelStream and updateStreamStartAt API handlers. Refs #133 #132 #134 #137
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Summary
Wave 4 backend improvements focused on reliability, performance, and data accuracy for the StellarStream payment system.
Changes
Reliability (#133): Add retry with exponential backoff
retryWithBackoff()helper retries transient RPC errors up to 3 timessendTransaction()andgetTransaction()in createStreamPerformance (#132): Cache Soroban RPC responses
get_streamsimulation resultsData Accuracy (#134): Propagate refund amounts from on-chain responses
refunded_amountcolumn to streams tablerefundedAmountin StreamRecord interfacePerformance & Maintenance (#137): Archive completed streams
stream_archivetable with identical schema plusarchived_atcolumnarchiveOldStreams()function moves streams completed > 30 days agolistStreams()by default?include_archived=truequery param includes archived streamsBug Fixes:
canceledStreamvariable in cancel endpointnewStartAtvariable in start time update endpointTesting
Related Issues
Closes #133
Closes #132
Closes #134
Closes #137