{"record":{"id":"ec62e480f188d8f8","repo":"nautechsystems/nautilus_trader","slug":"binance-spot-account-trades-pagination-made-no-pro","errorCode":null,"errorMessage":"Binance Spot account-trades pagination made no progress","messagePattern":"Binance Spot account-trades pagination made no progress","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/adapters/binance/src/spot/execution.rs","lineNumber":1398,"sourceCode":"                    page.iter().any(|report| report_time_ms(report) > end_time)\n                });\n\n                reports.extend(page.into_iter().filter(|report| {\n                    requested_start_time\n                        .is_none_or(|start_time| report_time_ms(report) >= start_time)\n                        && requested_end_time\n                            .is_none_or(|end_time| report_time_ms(report) <= end_time)\n                        && seen_trade_ids.insert(report.trade_id)\n                }));\n\n                if page_len < ACCOUNT_TRADES_PAGE_LIMIT as usize || passed_end {\n                    break;\n                }\n\n                let next_from_id = max_trade_id\n                    .checked_add(1)\n                    .context(\"Binance Spot trade ID overflow during pagination\")?;\n                anyhow::ensure!(\n                    next_from_id > from_id,\n                    \"Binance Spot account-trades pagination made no progress\"\n                );\n                from_id = next_from_id;\n            }\n        } else if let Some(query_start_time) = requested_start_time {\n            let query_end_time = requested_end_time.unwrap_or_else(|| {\n                self.clock.get_time_ns().as_i64() / NANOSECONDS_IN_MILLISECOND as i64\n            });\n            anyhow::ensure!(\n                query_start_time <= query_end_time,\n                \"fill report start time must not exceed end time\"\n            );\n            let mut window_start = query_start_time;\n\n            loop {\n                let window_end = window_start\n                    .saturating_add(ACCOUNT_TRADES_MAX_INTERVAL_MS)","sourceCodeStart":1380,"sourceCodeEnd":1416,"githubUrl":"https://github.com/nautechsystems/nautilus_trader/blob/18893faf8b356be3320add8de2f861b0b647cf06/crates/adapters/binance/src/spot/execution.rs#L1380-L1416","documentation":"Safety check in the by-trade-ID pagination loop of `generate_fill_reports`: the next `fromId` cursor (max trade ID + 1) failed to strictly advance past the current cursor, meaning the loop would fetch the same page forever. Thrown to prevent an infinite loop when Binance keeps returning trades with IDs <= fromId.","triggerScenarios":"Binance's myTrades endpoint repeatedly returns a max tradeId that does not exceed the current fromId cursor (e.g. server-side data inconsistency or a stable last page that isn't recognized).","commonSituations":"Paging a symbol's trade history where the exchange returns a duplicated final page; race where new trades keep refreshing the last page; exchange API anomalies.","solutions":["Break out of pagination when the returned page contains no trades with id >= fromId (verify break conditions above).","Add a page-count cap to pagination loops as a defensive limit.","Report/retry later if the exchange returns inconsistent trade IDs.","Check that max_trade_id is taken from the correct response field (not request echo)."],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"match client.generate_mass_status(cmd).await {\n    Err(e) if e.to_string().contains(\"pagination made no progress\") => /* back off and retry once, else degrade gracefully */,\n    other => other?,\n}","preventionTips":["Add page-count caps when paginating exchange APIs yourself","Treat duplicated last pages as terminal","Retry transient exchange paging anomalies with backoff"],"tags":["pagination","infinite-loop","api"],"backgroundTag":"internal-invariant-violation","analyzedSha":"18893faf8b356be3320add8de2f861b0b647cf06","analyzedAt":"2026-09-08T20:49:34.690Z","contentChangedAt":"2026-09-08T20:49:34.690Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}