chore(marketplace): use canProofBeMarkedAsMissing

codex/contracts/market.nim

@@ -362,14 +362,12 @@
 
     discard await market.contract.markProofAsMissing(id, period, overrides).confirm(1)
 
-method canProofBeMarkedAsMissing*(
+method canMarkProofAsMissing*(
     market: OnChainMarket, id: SlotId, period: Period
-): Future[bool] {.async.} =
-  let provider = market.contract.provider
-  let contractWithoutSigner = market.contract.connect(provider)
-  let overrides = CallOverrides(blockTag: some BlockTag.pending)
+): Future[bool] {.async: (raises: [CancelledError]).} =
   try:
-    discard await contractWithoutSigner.markProofAsMissing(id, period, overrides)
+    let overrides = CallOverrides(blockTag: some BlockTag.pending)
+    discard await market.contract.canMarkProofAsMissing(id, period, overrides)
     return true
   except EthersError as e:
     trace "Proof cannot be marked as missing", msg = e.msg

codex/contracts/marketplace.nim

@@ -178,6 +178,17 @@
   ]
 .}
 
+proc canMarkProofAsMissing*(
+  marketplace: Marketplace, id: SlotId, period: uint64
+): Confirmable {.
+  contract,
+  errors: [
+    Marketplace_SlotNotAcceptingProofs, Proofs_PeriodNotEnded,
+    Proofs_ValidationTimedOut, Proofs_ProofNotMissing, Proofs_ProofNotRequired,
+    Proofs_ProofAlreadyMarkedMissing,
+  ]
+.}
+
 proc reserveSlot*(
   marketplace: Marketplace, requestId: RequestId, slotIndex: uint64
 ): Confirmable {.contract.}

codex/market.nim

@@ -204,9 +204,9 @@ method markProofAsMissing*(
 ) {.base, async: (raises: [CancelledError, MarketError]).} =
   raiseAssert("not implemented")
 
-method canProofBeMarkedAsMissing*(
+method canMarkProofAsMissing*(
     market: Market, id: SlotId, period: Period
-): Future[bool] {.base, async.} =
+): Future[bool] {.base, async: (raises: [CancelledError]).} =
   raiseAssert("not implemented")
 
 method reserveSlot*(

codex/validation.nim

@@ -85,7 +85,7 @@ proc markProofAsMissing(
     currentPeriod = validation.getCurrentPeriod()
 
   try:
-    if await validation.market.canProofBeMarkedAsMissing(slotId, period):
+    if await validation.market.canMarkProofAsMissing(slotId, period):
       trace "Marking proof as missing", slotId, periodProofMissed = period
       await validation.market.markProofAsMissing(slotId, period)
     else:

tests/codex/helpers/mockmarket.nim

@@ -381,15 +381,15 @@ method markProofAsMissing*(
 ) {.async: (raises: [CancelledError, MarketError]).} =
   market.markedAsMissingProofs.add(id)
 
-proc setCanProofBeMarkedAsMissing*(mock: MockMarket, id: SlotId, required: bool) =
+proc setCanMarkProofAsMissing*(mock: MockMarket, id: SlotId, required: bool) =
   if required:
     mock.canBeMarkedAsMissing.incl(id)
   else:
     mock.canBeMarkedAsMissing.excl(id)
 
-method canProofBeMarkedAsMissing*(
+method canMarkProofAsMissing*(
     market: MockMarket, id: SlotId, period: Period
-): Future[bool] {.async.} =
+): Future[bool] {.async: (raises: [CancelledError]).} =
   return market.canBeMarkedAsMissing.contains(id)
 
 method reserveSlot*(

tests/codex/testvalidation.nim

@@ -142,15 +142,15 @@ asyncchecksuite "validation":
   test "when a proof is missed, it is marked as missing":
     await validation.start()
     await market.fillSlot(slot.request.id, slot.slotIndex, proof, collateral)
-    market.setCanProofBeMarkedAsMissing(slot.id, true)
+    market.setCanMarkProofAsMissing(slot.id, true)
     advanceToNextPeriod()
     await sleepAsync(100.millis) # allow validation loop to run
     check market.markedAsMissingProofs.contains(slot.id)
 
   test "when a proof can not be marked as missing, it will not be marked":
     await validation.start()
     await market.fillSlot(slot.request.id, slot.slotIndex, proof, collateral)
-    market.setCanProofBeMarkedAsMissing(slot.id, false)
+    market.setCanMarkProofAsMissing(slot.id, false)
     advanceToNextPeriod()
     await sleepAsync(100.millis) # allow validation loop to run
     check market.markedAsMissingProofs.len == 0

tests/contracts/testMarket.nim

@@ -189,7 +189,46 @@ ethersuite "On-Chain Market":
     let missingPeriod =
       periodicity.periodOf((await ethProvider.currentTime()).truncate(uint64))
     await advanceToNextPeriod()
-    check (await market.canProofBeMarkedAsMissing(slotId, missingPeriod)) == true
+    check (await market.canMarkProofAsMissing(slotId, missingPeriod)) == true
+
+  test "can check whether a proof cannot be marked as missing when the slot is free":
+    let slotId = slotId(request, slotIndex)
+    await market.requestStorage(request)
+    await market.reserveSlot(request.id, slotIndex)
+    await market.fillSlot(request.id, slotIndex, proof, request.ask.collateralPerSlot)
+    await waitUntilProofRequired(slotId)
+
+    await market.freeSlot(slotId(request.id, slotIndex))
+
+    let missingPeriod =
+      periodicity.periodOf((await ethProvider.currentTime()).truncate(uint64))
+    await advanceToNextPeriod()
+    check (await market.canMarkProofAsMissing(slotId, missingPeriod)) == false
+
+  test "can check whether a proof cannot be marked as missing before a proof is required":
+    let slotId = slotId(request, slotIndex)
+    await market.requestStorage(request)
+    await market.reserveSlot(request.id, slotIndex)
+    await market.fillSlot(request.id, slotIndex, proof, request.ask.collateralPerSlot)
+
+    let missingPeriod =
+      periodicity.periodOf((await ethProvider.currentTime()).truncate(uint64))
+    await advanceToNextPeriod()
+    check (await market.canMarkProofAsMissing(slotId, missingPeriod)) == false
+
+  test "can check whether a proof cannot be marked as missing if the proof was submitted":
+    let slotId = slotId(request, slotIndex)
+    await market.requestStorage(request)
+    await market.reserveSlot(request.id, slotIndex)
+    await market.fillSlot(request.id, slotIndex, proof, request.ask.collateralPerSlot)
+    await waitUntilProofRequired(slotId)
+
+    await market.submitProof(slotId(request.id, slotIndex), proof)
+
+    let missingPeriod =
+      periodicity.periodOf((await ethProvider.currentTime()).truncate(uint64))
+    await advanceToNextPeriod()
+    check (await market.canMarkProofAsMissing(slotId, missingPeriod)) == false
 
   test "supports slot filled subscriptions":
     await market.requestStorage(request)
@@ -548,7 +587,7 @@ ethersuite "On-Chain Market":
     switchAccount(host)
     await market.reserveSlot(request.id, 0.uint64)
     await market.fillSlot(request.id, 0.uint64, proof, request.ask.collateralPerSlot)
-    let filledAt = (await ethProvider.currentTime()) - 1.u256
+    let filledAt = await ethProvider.currentTime()
 
     for slotIndex in 1 ..< request.ask.slots:
       await market.reserveSlot(request.id, slotIndex.uint64)
@@ -575,7 +614,7 @@ ethersuite "On-Chain Market":
     switchAccount(host)
     await market.reserveSlot(request.id, 0.uint64)
     await market.fillSlot(request.id, 0.uint64, proof, request.ask.collateralPerSlot)
-    let filledAt = (await ethProvider.currentTime()) - 1.u256
+    let filledAt = await ethProvider.currentTime()
 
     for slotIndex in 1 ..< request.ask.slots:
       await market.reserveSlot(request.id, slotIndex.uint64)