nim-codex/codex/purchasing/states/cancelled.nim

import pkg/metrics
import pkg/chronicles
import ../statemachine
import ./errorhandling
import ./error

declareCounter(codexPurchasesCancelled, "codex purchases cancelled")

logScope:
  topics = "marketplace purchases cancelled"

type PurchaseCancelled* = ref object of ErrorHandlingState

method `$`*(state: PurchaseCancelled): string =
  "cancelled"

method run*(state: PurchaseCancelled, machine: Machine): Future[?State] {.async.} =
  codexPurchasesCancelled.inc()
  let purchase = Purchase(machine)

  warn "Request cancelled, withdrawing remaining funds",  requestId = $purchase.requestId
  await purchase.market.withdrawFunds(purchase.requestId)

  let error = newException(Timeout, "Purchase cancelled due to timeout")
  purchase.future.fail(error)