69 lines
2.3 KiB
Nim
69 lines
2.3 KiB
Nim
import std/strutils
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import pkg/ethers
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import pkg/ethers/testing
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import ../storageproofs/timing/proofs
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import ./storage
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export proofs
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type
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OnChainProofs* = ref object of Proofs
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storage: Storage
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pollInterval*: Duration
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ProofsSubscription = proofs.Subscription
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EventSubscription = ethers.Subscription
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OnChainProofsSubscription = ref object of ProofsSubscription
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eventSubscription: EventSubscription
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const DefaultPollInterval = 3.seconds
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proc new*(_: type OnChainProofs, storage: Storage): OnChainProofs =
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OnChainProofs(storage: storage, pollInterval: DefaultPollInterval)
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method periodicity*(proofs: OnChainProofs): Future[Periodicity] {.async.} =
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let period = await proofs.storage.proofPeriod()
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return Periodicity(seconds: period)
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method isProofRequired*(proofs: OnChainProofs,
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id: SlotId): Future[bool] {.async.} =
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try:
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return await proofs.storage.isProofRequired(id)
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except ProviderError as e:
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if e.revertReason.contains("Slot empty"):
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return false
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raise e
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method willProofBeRequired*(proofs: OnChainProofs,
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id: SlotId): Future[bool] {.async.} =
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try:
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return await proofs.storage.willProofBeRequired(id)
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except ProviderError as e:
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if e.revertReason.contains("Slot empty"):
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return false
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raise e
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method getProofEnd*(proofs: OnChainProofs,
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id: SlotId): Future[UInt256] {.async.} =
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try:
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return await proofs.storage.proofEnd(id)
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except ProviderError as e:
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if e.revertReason.contains("Slot empty"):
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return 0.u256
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raise e
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method submitProof*(proofs: OnChainProofs,
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id: SlotId,
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proof: seq[byte]) {.async.} =
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await proofs.storage.submitProof(id, proof)
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method subscribeProofSubmission*(proofs: OnChainProofs,
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callback: OnProofSubmitted):
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Future[ProofsSubscription] {.async.} =
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proc onEvent(event: ProofSubmitted) {.upraises: [].} =
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callback(event.id, event.proof)
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let subscription = await proofs.storage.subscribe(ProofSubmitted, onEvent)
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return OnChainProofsSubscription(eventSubscription: subscription)
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method unsubscribe*(subscription: OnChainProofsSubscription) {.async, upraises:[].} =
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await subscription.eventSubscription.unsubscribe()
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