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HTTP status: 409 · Title: “Dispute window closed”

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When it fires

POST /v1/markets/{id}/disputes was called after the dispute window of the market’s proposed resolution ended. Every proposal opens one dispute window, ending at resolution.finalizableAt on GET /v1/markets/{id}. An undisputed proposal is settled when the window ends, so no dispute is accepted afterwards: a later filing could only race the settlement. The check is atomic, so a request that crosses the window’s end is refused rather than recorded.

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Why it happens

  • The filing was sent after finalizableAt.
  • The filing was sent just before finalizableAt and was processed after it.

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How to fix

  • There is nothing to retry: the proposal is being settled, and a retry is refused the same way.
  • File disputes while resolution.resolutionState is proposed and finalizableAt is still in the future.
  • Follow the settlement through GET /v1/markets/{id}.