nim-dagger/codex/sales/states/filled.nim

36 lines
1.1 KiB
Nim

import pkg/questionable
import ../statemachine
import ../salesagent
import ./errorhandling
import ./errored
import ./finished
import ./cancelled
import ./failed
type
SaleFilled* = ref object of ErrorHandlingState
HostMismatchError* = object of CatchableError
method onCancelled*(state: SaleFilled, request: StorageRequest): ?State =
return some State(SaleCancelled())
method onFailed*(state: SaleFilled, request: StorageRequest): ?State =
return some State(SaleFailed())
method `$`*(state: SaleFilled): string = "SaleFilled"
method run*(state: SaleFilled, machine: Machine): Future[?State] {.async.} =
let data = SalesAgent(machine).data
let market = SalesAgent(machine).context.market
without slotIndex =? data.slotIndex:
raiseAssert("no slot index assigned")
let host = await market.getHost(data.requestId, slotIndex)
let me = await market.getSigner()
if host == me.some:
return some State(SaleFinished())
else:
let error = newException(HostMismatchError, "Slot filled by other host")
return some State(SaleErrored(error: error))