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https://github.com/codex-storage/nim-codex.git
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42 lines
1.1 KiB
Nim
42 lines
1.1 KiB
Nim
import ../statemachine
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import ./filling
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import ./cancelled
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import ./failed
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import ./errored
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type
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SaleProving* = ref object of SaleState
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SaleProvingError* = object of CatchableError
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method `$`*(state: SaleProving): string = "SaleProving"
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method onCancelled*(state: SaleProving, request: StorageRequest) {.async.} =
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await state.switchAsync(SaleCancelled())
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method onFailed*(state: SaleProving, request: StorageRequest) {.async.} =
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await state.switchAsync(SaleFailed())
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method enterAsync(state: SaleProving) {.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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without request =? agent.request:
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raiseAssert "no sale request"
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without slotIndex =? agent.slotIndex:
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raiseAssert "no slot selected"
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without onProve =? agent.sales.onProve:
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raiseAssert "onProve callback not set"
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let proof = await onProve(request, slotIndex)
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await state.switchAsync(SaleFilling(proof: proof))
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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(SaleProvingError, "unknown sale proving error", e)
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await state.switchAsync(SaleErrored(error: error))
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