fix(swap-service): trim status polling logs to one line per event - #59
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📝 WalkthroughWalkthroughThe swap service no longer requires the Bob Gateway API key. Swap status errors now use shared formatting. Polling logs now include swap IDs. ChangesSwap service updates
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to The PR reduces polling log volume and removes an unnecessary BOB credential requirement, but error text can still contain embedded line breaks and a previously identified long-running memory-retention concern remains open. It is mergeable with explicit owner awareness and follow-up rather than a merge blocker. Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 5 files. Full details: Title checkExplanation The title accurately describes the log-trimming changes, including single-line status polling logs. It omits the separate BOB Gateway API key requirement revert, but it remains specific and related to a substantial part of the pull request. ✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Inline comments:
In `@apps/swap-service/src/swaps/swaps.service.ts`:
- Line 49: Bound the lifecycle of lastStatusError in the checkTradeStatus
polling flow: ensure entries are removed when polling ends, including the catch
path that returns PENDING, or implement bounded expiry with cleanup. Preserve
status handling while preventing permanent upstream failures from retaining one
error string per swap indefinitely.
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apps/swap-service/.env.exampleapps/swap-service/src/env.tsapps/swap-service/src/swaps/swapper-config.tsapps/swap-service/src/swaps/swaps.service.ts
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- apps/swap-service/src/env.ts
- apps/swap-service/.env.example
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Inline comments:
In `@apps/swap-service/src/swaps/utils.ts`:
- Around line 64-71: Update the error-reason handling around responseDetail and
the Error fallback to replace CR/LF line breaks with spaces before returning or
logging the message, while preserving the existing trimming and length limit.
Add a regression test covering CR/LF input and asserting the returned status
reason is a single line.
Apply the same fix in `@apps/swap-service/src/swaps/utils.ts` at line 3: Covers
the same line-break handling defect across the no-response Axios, generic Error,
and string branches.
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apps/swap-service/src/polling/swap-polling.service.tsapps/swap-service/src/swaps/__tests__/utils.test.tsapps/swap-service/src/swaps/swaps.service.tsapps/swap-service/src/swaps/utils.ts
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Reverts the BOB Gateway API key. getOrder needs no auth — the 403 was a geoblock on the gateway host, so the key gated startup for nothing. Status-check failures logged an ~11 frame stack of swapper SDK HTTP internals on every poll. Log the reason on one line instead, and fold the per-swap "Checking status" line into the poller's existing batch log, which now names the ids it is about to poll. describeError prefers the message the server sent, since an axios error's own message is only "Request failed with status code 403". String bodies are skipped so an error page never reaches the log. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Description
Two related changes, both from chasing BOB Gateway
403s.Reverts #58 (the BOB Gateway API key). The 403 was never an auth failure.
getOrderis public — an unauthenticated request returns200with the full order payload. The block is geographic: identical request, identical key, a US IP gets Cloudflare's HTML block page while a Canadian IP gets200. The key madeVITE_BOB_GATEWAY_API_KEYa required variable, so it gated service startup for a credential this service does not need on the only BOB endpoint it calls. It returns to the placeholder alongsideVITE_ACROSS_INTEGRATOR_IDandVITE_TRON_GRID_API_KEY.The geoblock itself is unresolved and needs a separate decision — proxying BOB through
api.proxy.shapeshift.com(as Portals and 0x already are) would fix it without relocating the service, butBOB_GATEWAY_BASE_URLis hardcoded in the swapper package rather than read fromSwapperConfig, so it needs an upstream change first.Trims the polling logs. Three changes, all aimed at one useful line per event.
checkSwapStatuslogged the caught error object, so Nest printed an ~11 frame trace on every poll — always the same walk through the swapper SDK's HTTP client, saying nothing the message does not. The reason is now a single line. It still logs on every poll, deliberately: these swaps stay stuck indefinitely, and a failure that logs once scrolls away and is invisible when you go looking later.describeErrorpicks the useful part per error type. An axios error's own message is onlyRequest failed with status code 403, so the status is reported instead; the response body is deliberately never logged, since it can be an entire error page and the status is what identifies the failure.AxiosErrorextendsError, so it is narrowed first or the generic branch would swallow it.Checking status for swap: <id>fired once per swap per cycle, for healthy swaps too. Rather than lose that detail it is folded into the batch line the poller already emits, which now names the ids:Applied to the verification poller too.
Not addressed here: THORChain and MAYAChain failures never reach this handler.
checkTradeStatusin the swapper package catches them, writes straight toconsole.error, and returnsTxStatus.Unknownwithmessage: undefined, so they bypass Nest entirely — no level, no context, no timestamp, and the reason is discarded before we could surface it. Those need an upstream fix.Testing
describeError: axios with a response, axios that never got one, a plainError, a thrown string, and a thrown object (which previously would have stringified to[object Object]).Before — ~20 lines per 5s cycle with 6 pending swaps, one failing:
After — 2 lines per cycle:
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