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

60 lines
1.8 KiB
Nim

import pkg/stint
import ../../logutils
import ../../market
import ../statemachine
import ../salesagent
import ./errorhandling
import ./filled
import ./cancelled
import ./failed
import ./ignored
import ./errored
logScope:
topics = "marketplace sales filling"
type
SaleFilling* = ref object of ErrorHandlingState
proof*: Groth16Proof
method `$`*(state: SaleFilling): string = "SaleFilling"
method onCancelled*(state: SaleFilling, request: StorageRequest): ?State =
return some State(SaleCancelled())
method onFailed*(state: SaleFilling, request: StorageRequest): ?State =
return some State(SaleFailed())
method run(state: SaleFilling, machine: Machine): Future[?State] {.async.} =
let data = SalesAgent(machine).data
let market = SalesAgent(machine).context.market
without (fullCollateral =? data.request.?ask.?collateral):
raiseAssert "Request not set"
logScope:
requestId = data.requestId
slotIndex = data.slotIndex
let slotState = await market.slotState(slotId(data.requestId, data.slotIndex))
var collateral: Uint256
if slotState == SlotState.Repair:
# When repairing the node gets "discount" on the collateral that it needs to
let repairRewardPercentage = (await market.repairRewardPercentage).u256
collateral = fullCollateral - ((fullCollateral * repairRewardPercentage)).div(100.u256)
else:
collateral = fullCollateral
debug "Filling slot"
try:
await market.fillSlot(data.requestId, data.slotIndex, state.proof, collateral)
except MarketError as e:
if e.msg.contains "Slot is not free":
debug "Slot is already filled, ignoring slot"
return some State( SaleIgnored(reprocessSlot: false, returnBytes: true) )
else:
return some State( SaleErrored(error: e) )
# other CatchableErrors are handled "automatically" by the ErrorHandlingState
return some State(SaleFilled())