nim-codex/tests/codex/testproving.nim

125 lines
3.7 KiB
Nim

import pkg/asynctest
import pkg/chronos
import pkg/codex/proving
import ./helpers/mockproofs
import ./helpers/mockclock
import ./helpers/eventually
import ./examples
suite "Proving":
var proving: Proving
var proofs: MockProofs
var clock: MockClock
setup:
proofs = MockProofs.new()
clock = MockClock.new()
proving = Proving.new(proofs, clock)
await proving.start()
teardown:
await proving.stop()
proc advanceToNextPeriod(proofs: MockProofs) {.async.} =
let periodicity = await proofs.periodicity()
clock.advance(periodicity.seconds.truncate(int64))
test "maintains a list of slots to watch":
let slot1, slot2 = Slot.example
check proving.slots.len == 0
proving.add(slot1)
check proving.slots.contains(slot1)
proving.add(slot2)
check proving.slots.contains(slot1)
check proving.slots.contains(slot2)
test "removes duplicate slots":
let slot = Slot.example
proving.add(slot)
proving.add(slot)
check proving.slots.len == 1
test "invokes callback when proof is required":
let slot = Slot.example
proving.add(slot)
var called: bool
proc onProve(slot: Slot): Future[seq[byte]] {.async.} =
called = true
proving.onProve = onProve
proofs.setSlotState(slot.id, SlotState.Filled)
proofs.setProofRequired(slot.id, true)
await proofs.advanceToNextPeriod()
check eventually called
test "callback receives slot for which proof is required":
let slot1, slot2 = Slot.example
proving.add(slot1)
proving.add(slot2)
var callbackSlots: seq[Slot]
proc onProve(slot: Slot): Future[seq[byte]] {.async.} =
callbackSlots.add(slot)
proving.onProve = onProve
proofs.setSlotState(slot1.id, SlotState.Filled)
proofs.setSlotState(slot2.id, SlotState.Filled)
proofs.setProofRequired(slot1.id, true)
await proofs.advanceToNextPeriod()
check eventually callbackSlots == @[slot1]
proofs.setProofRequired(slot1.id, false)
proofs.setProofRequired(slot2.id, true)
await proofs.advanceToNextPeriod()
check eventually callbackSlots == @[slot1, slot2]
test "invokes callback when proof is about to be required":
let slot = Slot.example
proving.add(slot)
var called: bool
proc onProve(slot: Slot): Future[seq[byte]] {.async.} =
called = true
proving.onProve = onProve
proofs.setProofRequired(slot.id, false)
proofs.setProofToBeRequired(slot.id, true)
proofs.setSlotState(slot.id, SlotState.Filled)
await proofs.advanceToNextPeriod()
check eventually called
test "stops watching when slot is finished":
let slot = Slot.example
proving.add(slot)
proofs.setProofEnd(slot.id, clock.now().u256)
await proofs.advanceToNextPeriod()
var called: bool
proc onProve(slot: Slot): Future[seq[byte]] {.async.} =
called = true
proving.onProve = onProve
proofs.setProofRequired(slot.id, true)
await proofs.advanceToNextPeriod()
proofs.setSlotState(slot.id, SlotState.Finished)
check eventually (not proving.slots.contains(slot))
check not called
test "submits proofs":
let slot = Slot.example
let proof = exampleProof()
proving.onProve = proc (slot: Slot): Future[seq[byte]] {.async.} =
return proof
var receivedIds: seq[SlotId]
var receivedProofs: seq[seq[byte]]
proc onProofSubmission(id: SlotId, proof: seq[byte]) =
receivedIds.add(id)
receivedProofs.add(proof)
let subscription = await proving.subscribeProofSubmission(onProofSubmission)
proving.add(slot)
proofs.setSlotState(slot.id, SlotState.Filled)
proofs.setProofRequired(slot.id, true)
await proofs.advanceToNextPeriod()
check eventually receivedIds == @[slot.id] and receivedProofs == @[proof]
await subscription.unsubscribe()