nim-codex/dagger/contracts/prooftiming.nim

41 lines
1.5 KiB
Nim

import ../por/timing/prooftiming
import ./storage
export prooftiming
type
OnChainProofTiming* = ref object of ProofTiming
storage: Storage
pollInterval*: Duration
const DefaultPollInterval = 3.seconds
proc new*(_: type OnChainProofTiming, storage: Storage): OnChainProofTiming =
OnChainProofTiming(storage: storage, pollInterval: DefaultPollInterval)
method periodicity*(timing: OnChainProofTiming): Future[Periodicity] {.async.} =
let period = await timing.storage.proofPeriod()
return Periodicity(seconds: period)
method getCurrentPeriod*(timing: OnChainProofTiming): Future[Period] {.async.} =
let periodicity = await timing.periodicity()
let blk = !await timing.storage.provider.getBlock(BlockTag.latest)
return periodicity.periodOf(blk.timestamp)
method waitUntilPeriod*(timing: OnChainProofTiming,
period: Period) {.async.} =
while (await timing.getCurrentPeriod()) < period:
await sleepAsync(timing.pollInterval)
method isProofRequired*(timing: OnChainProofTiming,
id: ContractId): Future[bool] {.async.} =
return await timing.storage.isProofRequired(id)
method willProofBeRequired*(timing: OnChainProofTiming,
id: ContractId): Future[bool] {.async.} =
return await timing.storage.willProofBeRequired(id)
method getProofEnd*(timing: OnChainProofTiming,
id: ContractId): Future[UInt256] {.async.} =
return await timing.storage.proofEnd(id)