62 lines
1.7 KiB
Nim
62 lines
1.7 KiB
Nim
|
import pkg/questionable
|
||
|
import pkg/questionable/results
|
||
|
import pkg/metrics
|
||
|
|
||
|
import ../../logutils
|
||
|
import ../../market
|
||
|
import ../salesagent
|
||
|
import ../statemachine
|
||
|
import ./errorhandling
|
||
|
import ./cancelled
|
||
|
import ./failed
|
||
|
import ./filled
|
||
|
import ./ignored
|
||
|
import ./downloading
|
||
|
import ./errored
|
||
|
|
||
|
type
|
||
|
SaleSlotReserving* = ref object of ErrorHandlingState
|
||
|
|
||
|
logScope:
|
||
|
topics = "marketplace sales reserving"
|
||
|
|
||
|
method `$`*(state: SaleSlotReserving): string = "SaleSlotReserving"
|
||
|
|
||
|
method onCancelled*(state: SaleSlotReserving, request: StorageRequest): ?State =
|
||
|
return some State(SaleCancelled())
|
||
|
|
||
|
method onFailed*(state: SaleSlotReserving, request: StorageRequest): ?State =
|
||
|
return some State(SaleFailed())
|
||
|
|
||
|
method onSlotFilled*(state: SaleSlotReserving, requestId: RequestId,
|
||
|
slotIndex: UInt256): ?State =
|
||
|
return some State(SaleFilled())
|
||
|
|
||
|
method run*(state: SaleSlotReserving, machine: Machine): Future[?State] {.async.} =
|
||
|
let agent = SalesAgent(machine)
|
||
|
let data = agent.data
|
||
|
let context = agent.context
|
||
|
let market = context.market
|
||
|
|
||
|
logScope:
|
||
|
requestId = data.requestId
|
||
|
slotIndex = data.slotIndex
|
||
|
|
||
|
let canReserve = await market.canReserveSlot(data.requestId, data.slotIndex)
|
||
|
if canReserve:
|
||
|
try:
|
||
|
trace "Reserving slot"
|
||
|
await market.reserveSlot(data.requestId, data.slotIndex)
|
||
|
except MarketError as e:
|
||
|
return some State( SaleErrored(error: e) )
|
||
|
|
||
|
trace "Slot successfully reserved"
|
||
|
return some State( SaleDownloading() )
|
||
|
|
||
|
else:
|
||
|
# do not re-add this slot to the queue, and return bytes from Reservation to
|
||
|
# the Availability
|
||
|
debug "Slot cannot be reserved, ignoring"
|
||
|
return some State( SaleIgnored(reprocessSlot: false, returnBytes: true) )
|
||
|
|