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https://github.com/codex-storage/nim-codex.git
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43 lines
1.4 KiB
Nim
43 lines
1.4 KiB
Nim
import pkg/chronos
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import ./cancelled
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import ./errored
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import ./failed
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import ../statemachine
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type
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SaleFinished* = ref object of SaleState
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SaleFinishedError* = object of CatchableError
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method `$`*(state: SaleFinished): string = "SaleFinished"
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method onCancelled*(state: SaleFinished, request: StorageRequest) {.async.} =
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await state.switchAsync(SaleCancelled())
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method onFailed*(state: SaleFinished, request: StorageRequest) {.async.} =
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await state.switchAsync(SaleFailed())
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method enterAsync*(state: SaleFinished) {.async.} =
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without agent =? (state.context as SalesAgent):
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raiseAssert "invalid state"
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try:
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if request =? agent.request and
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slotIndex =? agent.slotIndex:
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agent.sales.proving.add(request.slotId(slotIndex))
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if onSale =? agent.sales.onSale:
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onSale(agent.availability, request, slotIndex)
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# TODO: Keep track of contract completion using local clock. When contract
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# has finished, we need to add back availability to the sales module.
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# This will change when the state machine is updated to include the entire
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# sales process, as well as when availability is persisted, so leaving it
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# as a TODO for now.
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except CancelledError:
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discard
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except CatchableError as e:
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let error = newException(SaleFinishedError, "sale finished error", e)
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await state.switchAsync(SaleErrored(error: error))
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