597 lines
21 KiB
Nim
597 lines
21 KiB
Nim
import std/sequtils
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import std/sugar
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import std/times
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import pkg/chronos
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import pkg/datastore/typedds
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import pkg/questionable
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import pkg/questionable/results
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import pkg/codex/sales
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import pkg/codex/sales/salesdata
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import pkg/codex/sales/salescontext
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import pkg/codex/sales/reservations
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import pkg/codex/sales/slotqueue
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import pkg/codex/stores/repostore
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import pkg/codex/blocktype as bt
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import pkg/codex/node
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import ../../asynctest
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import ../helpers
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import ../helpers/mockmarket
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import ../helpers/mockclock
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import ../helpers/always
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import ../examples
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import ./helpers/periods
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asyncchecksuite "Sales - start":
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let
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proof = Groth16Proof.example
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repoTmp = TempLevelDb.new()
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metaTmp = TempLevelDb.new()
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var request: StorageRequest
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var sales: Sales
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var market: MockMarket
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var clock: MockClock
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var reservations: Reservations
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var repo: RepoStore
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var queue: SlotQueue
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var itemsProcessed: seq[SlotQueueItem]
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setup:
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request = StorageRequest(
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ask: StorageAsk(
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slots: 4,
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slotSize: 100.u256,
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duration: 60.u256,
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reward: 10.u256,
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collateral: 200.u256,
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),
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content: StorageContent(
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cid: "some cid"
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),
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expiry: (getTime() + initDuration(hours=1)).toUnix.u256
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)
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market = MockMarket.new()
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clock = MockClock.new()
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let repoDs = repoTmp.newDb()
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let metaDs = metaTmp.newDb()
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repo = RepoStore.new(repoDs, metaDs)
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await repo.start()
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sales = Sales.new(market, clock, repo)
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reservations = sales.context.reservations
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sales.onStore = proc(request: StorageRequest,
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slot: UInt256,
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onBatch: BatchProc): Future[?!void] {.async.} =
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return success()
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sales.onExpiryUpdate = proc(rootCid: string, expiry: SecondsSince1970): Future[?!void] {.async.} =
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return success()
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queue = sales.context.slotQueue
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sales.onProve = proc(slot: Slot, challenge: ProofChallenge): Future[?!Groth16Proof] {.async.} =
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return success(proof)
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itemsProcessed = @[]
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request.expiry = (clock.now() + 42).u256
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teardown:
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await sales.stop()
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await repo.stop()
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await repoTmp.destroyDb()
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await metaTmp.destroyDb()
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proc fillSlot(slotIdx: UInt256 = 0.u256) {.async.} =
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let address = await market.getSigner()
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let slot = MockSlot(requestId: request.id,
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slotIndex: slotIdx,
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proof: proof,
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host: address)
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market.filled.add slot
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market.slotState[slotId(request.id, slotIdx)] = SlotState.Filled
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test "load slots when Sales module starts":
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let me = await market.getSigner()
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request.ask.slots = 2
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market.requested = @[request]
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market.requestState[request.id] = RequestState.New
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let slot0 = MockSlot(requestId: request.id,
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slotIndex: 0.u256,
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proof: proof,
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host: me)
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await fillSlot(slot0.slotIndex)
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let slot1 = MockSlot(requestId: request.id,
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slotIndex: 1.u256,
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proof: proof,
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host: me)
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await fillSlot(slot1.slotIndex)
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market.activeSlots[me] = @[request.slotId(0.u256), request.slotId(1.u256)]
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market.requested = @[request]
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market.activeRequests[me] = @[request.id]
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await sales.start()
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check eventually sales.agents.len == 2
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check sales.agents.any(agent => agent.data.requestId == request.id and agent.data.slotIndex == 0.u256)
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check sales.agents.any(agent => agent.data.requestId == request.id and agent.data.slotIndex == 1.u256)
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asyncchecksuite "Sales":
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let
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proof = Groth16Proof.example
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repoTmp = TempLevelDb.new()
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metaTmp = TempLevelDb.new()
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var availability: Availability
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var request: StorageRequest
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var sales: Sales
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var market: MockMarket
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var clock: MockClock
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var reservations: Reservations
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var repo: RepoStore
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var queue: SlotQueue
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var itemsProcessed: seq[SlotQueueItem]
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setup:
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availability = Availability(
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totalSize: 100.u256,
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freeSize: 100.u256,
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duration: 60.u256,
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minPrice: 600.u256,
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maxCollateral: 400.u256
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)
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request = StorageRequest(
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ask: StorageAsk(
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slots: 4,
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slotSize: 100.u256,
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duration: 60.u256,
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reward: 10.u256,
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collateral: 200.u256,
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),
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content: StorageContent(
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cid: "some cid"
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),
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expiry: (getTime() + initDuration(hours=1)).toUnix.u256
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)
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market = MockMarket.new()
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let me = await market.getSigner()
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market.activeSlots[me] = @[]
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market.requestEnds[request.id] = request.expiry.toSecondsSince1970
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clock = MockClock.new()
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let repoDs = repoTmp.newDb()
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let metaDs = metaTmp.newDb()
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repo = RepoStore.new(repoDs, metaDs)
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await repo.start()
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sales = Sales.new(market, clock, repo)
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reservations = sales.context.reservations
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sales.onStore = proc(request: StorageRequest,
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slot: UInt256,
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onBatch: BatchProc): Future[?!void] {.async.} =
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return success()
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sales.onExpiryUpdate = proc(rootCid: string, expiry: SecondsSince1970): Future[?!void] {.async.} =
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return success()
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queue = sales.context.slotQueue
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sales.onProve = proc(slot: Slot, challenge: ProofChallenge): Future[?!Groth16Proof] {.async.} =
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return success(proof)
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await sales.start()
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itemsProcessed = @[]
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teardown:
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await sales.stop()
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await repo.stop()
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await repoTmp.destroyDb()
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await metaTmp.destroyDb()
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proc allowRequestToStart {.async.} =
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# wait until we're in initialproving state
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await sleepAsync(10.millis)
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# it won't start proving until the next period
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await clock.advanceToNextPeriod(market)
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proc getAvailability: Availability =
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let key = availability.id.key.get
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(waitFor reservations.get(key, Availability)).get
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proc createAvailability() =
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let a = waitFor reservations.createAvailability(
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availability.totalSize,
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availability.duration,
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availability.minPrice,
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availability.maxCollateral
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)
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availability = a.get # update id
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proc notProcessed(itemsProcessed: seq[SlotQueueItem],
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request: StorageRequest): bool =
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let items = SlotQueueItem.init(request)
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for i in 0..<items.len:
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if itemsProcessed.contains(items[i]):
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return false
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return true
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proc addRequestToSaturatedQueue(): Future[StorageRequest] {.async.} =
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queue.onProcessSlot = proc(item: SlotQueueItem, done: Future[void]) {.async.} =
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await sleepAsync(10.millis)
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itemsProcessed.add item
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done.complete()
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var request1 = StorageRequest.example
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request1.ask.collateral = request.ask.collateral + 1
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createAvailability()
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# saturate queue
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while queue.len < queue.size - 1:
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await market.requestStorage(StorageRequest.example)
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# send request
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await market.requestStorage(request1)
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await sleepAsync(5.millis) # wait for request slots to be added to queue
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return request1
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proc wasIgnored(): bool =
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let run = proc(): Future[bool] {.async.} =
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always (
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getAvailability().freeSize == availability.freeSize and
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(waitFor reservations.all(Reservation)).get.len == 0
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)
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waitFor run()
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test "processes all request's slots once StorageRequested emitted":
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queue.onProcessSlot = proc(item: SlotQueueItem, done: Future[void]) {.async.} =
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itemsProcessed.add item
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done.complete()
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createAvailability()
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await market.requestStorage(request)
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let items = SlotQueueItem.init(request)
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check eventually items.allIt(itemsProcessed.contains(it))
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test "removes slots from slot queue once RequestCancelled emitted":
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let request1 = await addRequestToSaturatedQueue()
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market.emitRequestCancelled(request1.id)
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check always itemsProcessed.notProcessed(request1)
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test "removes request from slot queue once RequestFailed emitted":
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let request1 = await addRequestToSaturatedQueue()
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market.emitRequestFailed(request1.id)
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check always itemsProcessed.notProcessed(request1)
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test "removes request from slot queue once RequestFulfilled emitted":
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let request1 = await addRequestToSaturatedQueue()
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market.emitRequestFulfilled(request1.id)
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check always itemsProcessed.notProcessed(request1)
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test "removes slot index from slot queue once SlotFilled emitted":
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let request1 = await addRequestToSaturatedQueue()
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market.emitSlotFilled(request1.id, 1.u256)
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let expected = SlotQueueItem.init(request1, 1'u16)
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check always (not itemsProcessed.contains(expected))
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test "adds slot index to slot queue once SlotFreed emitted":
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queue.onProcessSlot = proc(item: SlotQueueItem, done: Future[void]) {.async.} =
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itemsProcessed.add item
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done.complete()
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createAvailability()
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market.requested.add request # "contract" must be able to return request
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market.emitSlotFreed(request.id, 2.u256)
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let expected = SlotQueueItem.init(request, 2.uint16)
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check eventually itemsProcessed.contains(expected)
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test "items in queue are readded (and marked seen) once ignored":
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await market.requestStorage(request)
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let items = SlotQueueItem.init(request)
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await sleepAsync(10.millis) # queue starts paused, allow items to be added to the queue
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check eventually queue.paused
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# The first processed item will be will have been re-pushed with `seen =
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# true`. Then, once this item is processed by the queue, its 'seen' flag
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# will be checked, at which point the queue will be paused. This test could
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# check item existence in the queue, but that would require inspecting
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# onProcessSlot to see which item was first, and overridding onProcessSlot
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# will prevent the queue working as expected in the Sales module.
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check eventually queue.len == 4
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for item in items:
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check queue.contains(item)
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for i in 0..<queue.len:
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check queue[i].seen
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test "queue is paused once availability is insufficient to service slots in queue":
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createAvailability() # enough to fill a single slot
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await market.requestStorage(request)
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let items = SlotQueueItem.init(request)
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await sleepAsync(10.millis) # queue starts paused, allow items to be added to the queue
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check eventually queue.paused
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# The first processed item/slot will be filled (eventually). Subsequent
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# items will be processed and eventually re-pushed with `seen = true`. Once
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# a "seen" item is processed by the queue, the queue is paused. In the
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# meantime, the other items that are process, marked as seen, and re-added
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# to the queue may be processed simultaneously as the queue pausing.
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# Therefore, there should eventually be 3 items remaining in the queue, all
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# seen.
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check eventually queue.len == 3
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for i in 0..<queue.len:
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check queue[i].seen
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test "availability size is reduced by request slot size when fully downloaded":
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sales.onStore = proc(request: StorageRequest,
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slot: UInt256,
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onBatch: BatchProc): Future[?!void] {.async.} =
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let blk = bt.Block.new( @[1.byte] ).get
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await onBatch( blk.repeat(request.ask.slotSize.truncate(int)) )
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createAvailability()
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await market.requestStorage(request)
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check eventually getAvailability().freeSize == availability.freeSize - request.ask.slotSize
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test "non-downloaded bytes are returned to availability once finished":
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var slotIndex = 0.u256
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sales.onStore = proc(request: StorageRequest,
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slot: UInt256,
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onBatch: BatchProc): Future[?!void] {.async.} =
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slotIndex = slot
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let blk = bt.Block.new( @[1.byte] ).get
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await onBatch(@[ blk ])
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let sold = newFuture[void]()
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sales.onSale = proc(request: StorageRequest, slotIndex: UInt256) =
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sold.complete()
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createAvailability()
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let origSize = availability.freeSize
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await market.requestStorage(request)
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await allowRequestToStart()
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await sold
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# complete request
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market.slotState[request.slotId(slotIndex)] = SlotState.Finished
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clock.advance(request.ask.duration.truncate(int64))
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check eventually getAvailability().freeSize == origSize - 1
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test "ignores download when duration not long enough":
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availability.duration = request.ask.duration - 1
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createAvailability()
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await market.requestStorage(request)
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check wasIgnored()
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test "ignores request when slot size is too small":
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availability.totalSize = request.ask.slotSize - 1
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createAvailability()
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await market.requestStorage(request)
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check wasIgnored()
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test "ignores request when reward is too low":
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availability.minPrice = request.ask.pricePerSlot + 1
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createAvailability()
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await market.requestStorage(request)
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check wasIgnored()
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test "ignores request when asked collateral is too high":
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var tooBigCollateral = request
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tooBigCollateral.ask.collateral = availability.maxCollateral + 1
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createAvailability()
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await market.requestStorage(tooBigCollateral)
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check wasIgnored()
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test "ignores request when slot state is not free":
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createAvailability()
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await market.requestStorage(request)
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market.slotState[request.slotId(0.u256)] = SlotState.Filled
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market.slotState[request.slotId(1.u256)] = SlotState.Filled
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market.slotState[request.slotId(2.u256)] = SlotState.Filled
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market.slotState[request.slotId(3.u256)] = SlotState.Filled
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check wasIgnored()
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test "retrieves and stores data locally":
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var storingRequest: StorageRequest
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var storingSlot: UInt256
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sales.onStore = proc(request: StorageRequest,
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slot: UInt256,
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onBatch: BatchProc): Future[?!void] {.async.} =
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storingRequest = request
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storingSlot = slot
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return success()
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createAvailability()
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await market.requestStorage(request)
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check eventually storingRequest == request
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check storingSlot < request.ask.slots.u256
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test "handles errors during state run":
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var saleFailed = false
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sales.onProve = proc(slot: Slot, challenge: ProofChallenge): Future[?!Groth16Proof] {.async.} =
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# raise exception so machine.onError is called
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raise newException(ValueError, "some error")
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# onClear is called in SaleErrored.run
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sales.onClear = proc(request: StorageRequest,
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idx: UInt256) =
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saleFailed = true
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createAvailability()
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await market.requestStorage(request)
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await allowRequestToStart()
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check eventually saleFailed
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test "makes storage available again when data retrieval fails":
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let error = newException(IOError, "data retrieval failed")
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sales.onStore = proc(request: StorageRequest,
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slot: UInt256,
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onBatch: BatchProc): Future[?!void] {.async.} =
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return failure(error)
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createAvailability()
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await market.requestStorage(request)
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check getAvailability().freeSize == availability.freeSize
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test "generates proof of storage":
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var provingRequest: StorageRequest
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var provingSlot: UInt256
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sales.onProve = proc(slot: Slot, challenge: ProofChallenge): Future[?!Groth16Proof] {.async.} =
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provingRequest = slot.request
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provingSlot = slot.slotIndex
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return success(Groth16Proof.example)
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createAvailability()
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await market.requestStorage(request)
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await allowRequestToStart()
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check eventually provingRequest == request
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check provingSlot < request.ask.slots.u256
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test "fills a slot":
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createAvailability()
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await market.requestStorage(request)
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await allowRequestToStart()
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check eventually market.filled.len > 0
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check market.filled[0].requestId == request.id
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check market.filled[0].slotIndex < request.ask.slots.u256
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check market.filled[0].proof == proof
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check market.filled[0].host == await market.getSigner()
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test "calls onFilled when slot is filled":
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var soldRequest = StorageRequest.default
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var soldSlotIndex = UInt256.high
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sales.onSale = proc(request: StorageRequest,
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slotIndex: UInt256) =
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soldRequest = request
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soldSlotIndex = slotIndex
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createAvailability()
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await market.requestStorage(request)
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await allowRequestToStart()
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check eventually soldRequest == request
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check soldSlotIndex < request.ask.slots.u256
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test "calls onClear when storage becomes available again":
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# fail the proof intentionally to trigger `agent.finish(success=false)`,
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# which then calls the onClear callback
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sales.onProve = proc(slot: Slot, challenge: ProofChallenge): Future[?!Groth16Proof] {.async.} =
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raise newException(IOError, "proof failed")
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var clearedRequest: StorageRequest
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var clearedSlotIndex: UInt256
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sales.onClear = proc(request: StorageRequest,
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slotIndex: UInt256) =
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clearedRequest = request
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clearedSlotIndex = slotIndex
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createAvailability()
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await market.requestStorage(request)
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await allowRequestToStart()
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check eventually clearedRequest == request
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check clearedSlotIndex < request.ask.slots.u256
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test "makes storage available again when other host fills the slot":
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let otherHost = Address.example
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sales.onStore = proc(request: StorageRequest,
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slot: UInt256,
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onBatch: BatchProc): Future[?!void] {.async.} =
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await sleepAsync(chronos.hours(1))
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return success()
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createAvailability()
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await market.requestStorage(request)
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for slotIndex in 0..<request.ask.slots:
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market.fillSlot(request.id, slotIndex.u256, proof, otherHost)
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check eventually (await reservations.all(Availability)).get == @[availability]
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test "makes storage available again when request expires":
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let expiry = getTime().toUnix() + 10
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market.requestExpiry[request.id] = expiry
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let origSize = availability.freeSize
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sales.onStore = proc(request: StorageRequest,
|
|
slot: UInt256,
|
|
onBatch: BatchProc): Future[?!void] {.async.} =
|
|
await sleepAsync(chronos.hours(1))
|
|
return success()
|
|
createAvailability()
|
|
await market.requestStorage(request)
|
|
|
|
# If we would not await, then the `clock.set` would run "too fast" as the `subscribeCancellation()`
|
|
# would otherwise not set the timeout early enough as it uses `clock.now` in the deadline calculation.
|
|
await sleepAsync(chronos.milliseconds(100))
|
|
market.requestState[request.id]=RequestState.Cancelled
|
|
clock.set(expiry + 1)
|
|
check eventually (await reservations.all(Availability)).get == @[availability]
|
|
check getAvailability().freeSize == origSize
|
|
|
|
test "verifies that request is indeed expired from onchain before firing onCancelled":
|
|
let expiry = getTime().toUnix() + 10
|
|
# ensure only one slot, otherwise once bytes are returned to the
|
|
# availability, the queue will be unpaused and availability will be consumed
|
|
# by other slots
|
|
request.ask.slots = 1.uint64
|
|
market.requestExpiry[request.id] = expiry
|
|
|
|
let origSize = availability.freeSize
|
|
sales.onStore = proc(request: StorageRequest,
|
|
slot: UInt256,
|
|
onBatch: BatchProc): Future[?!void] {.async.} =
|
|
await sleepAsync(chronos.hours(1))
|
|
return success()
|
|
createAvailability()
|
|
await market.requestStorage(request)
|
|
market.requestState[request.id]=RequestState.New # "On-chain" is the request still ongoing even after local expiration
|
|
|
|
# If we would not await, then the `clock.set` would run "too fast" as the `subscribeCancellation()`
|
|
# would otherwise not set the timeout early enough as it uses `clock.now` in the deadline calculation.
|
|
await sleepAsync(chronos.milliseconds(100))
|
|
clock.set(expiry + 1)
|
|
check getAvailability().freeSize == 0
|
|
|
|
market.requestState[request.id]=RequestState.Cancelled # Now "on-chain" is also expired
|
|
check eventually getAvailability().freeSize == origSize
|
|
|
|
test "loads active slots from market":
|
|
let me = await market.getSigner()
|
|
|
|
request.ask.slots = 2
|
|
market.requested = @[request]
|
|
market.requestState[request.id] = RequestState.New
|
|
|
|
proc fillSlot(slotIdx: UInt256 = 0.u256) {.async.} =
|
|
let address = await market.getSigner()
|
|
let slot = MockSlot(requestId: request.id,
|
|
slotIndex: slotIdx,
|
|
proof: proof,
|
|
host: address)
|
|
market.filled.add slot
|
|
market.slotState[slotId(request.id, slotIdx)] = SlotState.Filled
|
|
|
|
let slot0 = MockSlot(requestId: request.id,
|
|
slotIndex: 0.u256,
|
|
proof: proof,
|
|
host: me)
|
|
await fillSlot(slot0.slotIndex)
|
|
|
|
let slot1 = MockSlot(requestId: request.id,
|
|
slotIndex: 1.u256,
|
|
proof: proof,
|
|
host: me)
|
|
await fillSlot(slot1.slotIndex)
|
|
market.activeSlots[me] = @[request.slotId(0.u256), request.slotId(1.u256)]
|
|
market.requested = @[request]
|
|
market.activeRequests[me] = @[request.id]
|
|
|
|
await sales.load()
|
|
|
|
check eventually sales.agents.len == 2
|
|
check sales.agents.any(agent => agent.data.requestId == request.id and agent.data.slotIndex == 0.u256)
|
|
check sales.agents.any(agent => agent.data.requestId == request.id and agent.data.slotIndex == 1.u256)
|
|
|
|
test "deletes inactive reservations on load":
|
|
createAvailability()
|
|
discard await reservations.createReservation(
|
|
availability.id,
|
|
100.u256,
|
|
RequestId.example,
|
|
UInt256.example)
|
|
check (await reservations.all(Reservation)).get.len == 1
|
|
await sales.load()
|
|
check (await reservations.all(Reservation)).get.len == 0
|
|
check getAvailability().freeSize == availability.freeSize # was restored
|