Note

Switch relay polling to a static status endpoint using requestId, update status handling, and adjust types/tests accordingly.

• Relay Strategy:
  • Use static status endpoint RELAY_STATUS_URL (/intents/status/v3) for polling with GET and requestId query (waitForRelayCompletion).
  • Stop deriving URL/method from quote check; build ${RELAY_STATUS_URL}?requestId=... instead.
  • Treat failure, refund, and refunded as terminal errors; return last txHashes item on success or fallback hash.
• Types:
  • Add requestId to RelayQuote.steps[0].
  • Expand RelayStatus to include delayed and refunded; introduce RelayStatusResponse.
• Constants:
  • Add RELAY_STATUS_URL in strategy/relay/constants.ts.
• Tests:
  • Update tests to assert polling against static URL with requestId; include refunded in error cases.
• Changelog:
  • Note change: "Poll relay status using static URL".

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