feat: retry/backoff for transient Stellar RPC errors#2
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) - Configurable exponential backoff via env vars: STELLAR_RETRY_MAX (default: 3) STELLAR_RETRY_BASE_MS (default: 500ms) STELLAR_RETRY_MAX_MS (default: 8000ms) STELLAR_RPC_TIMEOUT_MS (default: 10000ms) - isTransient() identifies retryable errors (timeout, ECONNRESET, 503/429) - rpcCall() retries up to RETRY_MAX times with exponential delay - Permanent failures (non-transient) surfaced immediately without retrying - Circuit breaker unchanged: opens after 5 consecutive timeouts - Structured logging via logger.warn on retries and circuit events Closes AnnabelJoe#496
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Closes AnnabelJoe#496
Summary
Adds configurable exponential backoff retry logic to
rpcCall()instellar.tsso transient network/RPC errors are automatically retried without human intervention.Changes —
src/lib/stellar.tsisTransient(err): identifies retryable errors —StellarTimeoutError, plus network errors matchingECONNRESET,ENOTFOUND, HTTP 503/429rpcCall(): retry loop with exponential backoff:attempt 0 → BASE_MS,attempt 1 → 2×BASE_MS, … capped atMAX_MSSTELLAR_RETRY_MAXSTELLAR_RETRY_BASE_MSSTELLAR_RETRY_MAX_MSSTELLAR_RPC_TIMEOUT_MSTesting