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[marketplace] Simulate invalid proof submissions (#393)

This commit is contained in:
Eric Mastro 2023-06-22 20:32:18 +10:00 committed by GitHub
parent 6d1469b4be
commit 2a92dc9702
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18 changed files with 550 additions and 115 deletions
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9
codex.nimble
View File

@ -50,24 +50,23 @@ proc buildBinary(name: string, srcDir = "./", params = "", lang = "c") =
for i in 2..<paramCount():
extra_params &= " " & paramStr(i)
exec "nim " & lang & " --out:build/" & name & " " & extra_params & " " & srcDir & name & ".nim"
proc test(name: string, srcDir = "tests/", lang = "c") =
buildBinary name, srcDir
proc test(name: string, srcDir = "tests/", params = "", lang = "c") =
buildBinary name, srcDir, params
exec "build/" & name
task codex, "build codex binary":
buildBinary "codex", params = "-d:chronicles_runtime_filtering -d:chronicles_log_level=TRACE"
task testCodex, "Build & run Codex tests":
test "testCodex"
test "testCodex", params = "-d:codex_enable_proof_failures=true"
task testContracts, "Build & run Codex Contract tests":
test "testContracts"
task testIntegration, "Run integration tests":
codexTask()
buildBinary "codex", params = "-d:chronicles_runtime_filtering -d:chronicles_log_level=TRACE -d:codex_enable_proof_failures=true"
test "testIntegration"
task test, "Run tests":

8
codex/codex.nim
View File

@ -82,7 +82,13 @@ proc bootstrapInteractions(config: CodexConf, repo: RepoStore): Future[Contracts
var validator: ?ValidatorInteractions
if config.persistence:
let purchasing = Purchasing.new(market, clock)
let proving = Proving.new(market, clock)
when codex_enable_proof_failures:
let proving = if config.simulateProofFailures > 0:
SimulatedProving.new(market, clock,
config.simulateProofFailures)
else: Proving.new(market, clock)
else:
let proving = Proving.new(market, clock)
let sales = Sales.new(market, clock, proving, repo)
client = some ClientInteractions.new(clock, purchasing)
host = some HostInteractions.new(clock, sales, proving)

8
codex/conf.nim
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@ -37,6 +37,7 @@ export DefaultCacheSizeMiB, net, DefaultQuotaBytes, DefaultBlockTtl, DefaultBloc
const
codex_enable_api_debug_peers* {.booldefine.} = false
codex_enable_proof_failures* {.booldefine.} = false
type
StartUpCommand* {.pure.} = enum
@ -240,6 +241,13 @@ type
name: "validator-max-slots"
.}: int
simulateProofFailures* {.
desc: "Simulates proof failures once every N proofs. 0 = disabled."
defaultValue: 0
name: "simulate-proof-failures"
hidden
.}: uint
of initNode:
discard

1
codex/contracts/market.nim
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@ -5,6 +5,7 @@ import pkg/ethers
import pkg/ethers/testing
import pkg/upraises
import pkg/questionable
import pkg/chronicles
import ../market
import ./marketplace

10
codex/contracts/requests.nim
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@ -3,6 +3,7 @@ import pkg/contractabi
import pkg/nimcrypto
import pkg/ethers/fields
import pkg/questionable/results
import pkg/stew/byteutils
export contractabi
@ -63,6 +64,15 @@ func toArray*(id: RequestId | SlotId | Nonce): array[32, byte] =
proc `$`*(id: RequestId | SlotId | Nonce): string =
id.toArray.toHex
proc fromHex*(T: type RequestId, hex: string): T =
T array[32, byte].fromHex(hex)
proc fromHex*(T: type SlotId, hex: string): T =
T array[32, byte].fromHex(hex)
proc fromHex*(T: type Nonce, hex: string): T =
T array[32, byte].fromHex(hex)
func fromTuple(_: type StorageRequest, tupl: tuple): StorageRequest =
StorageRequest(
client: tupl[0],

100
codex/proving.nim
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@ -1,97 +1,5 @@
import std/sets
import pkg/upraises
import pkg/questionable
import pkg/chronicles
import ./market
import ./clock
import ./proving/proving
import ./proving/simulated
export sets
logScope:
topics = "marketplace proving"
type
Proving* = ref object
market: Market
clock: Clock
loop: ?Future[void]
slots*: HashSet[Slot]
onProve: ?OnProve
OnProve* = proc(slot: Slot): Future[seq[byte]] {.gcsafe, upraises: [].}
func new*(_: type Proving, market: Market, clock: Clock): Proving =
Proving(market: market, clock: clock)
proc onProve*(proving: Proving): ?OnProve =
proving.onProve
proc `onProve=`*(proving: Proving, callback: OnProve) =
proving.onProve = some callback
func add*(proving: Proving, slot: Slot) =
proving.slots.incl(slot)
proc getCurrentPeriod(proving: Proving): Future[Period] {.async.} =
let periodicity = await proving.market.periodicity()
return periodicity.periodOf(proving.clock.now().u256)
proc waitUntilPeriod(proving: Proving, period: Period) {.async.} =
let periodicity = await proving.market.periodicity()
await proving.clock.waitUntil(periodicity.periodStart(period).truncate(int64))
proc removeEndedContracts(proving: Proving) {.async.} =
var ended: HashSet[Slot]
for slot in proving.slots:
let state = await proving.market.slotState(slot.id)
if state == SlotState.Finished:
debug "Collecting finished slot's reward", slot = $slot.id
await proving.market.freeSlot(slot.id)
if state != SlotState.Filled:
debug "Request ended, cleaning up slot", slot = $slot.id
ended.incl(slot)
proving.slots.excl(ended)
proc prove(proving: Proving, slot: Slot) {.async.} =
without onProve =? proving.onProve:
raiseAssert "onProve callback not set"
try:
debug "Proving slot"
let proof = await onProve(slot)
await proving.market.submitProof(slot.id, proof)
except CatchableError as e:
error "Submitting proof failed", msg = e.msg
proc run(proving: Proving) {.async.} =
try:
while true:
let currentPeriod = await proving.getCurrentPeriod()
debug "Proving for new period", period = currentPeriod
await proving.removeEndedContracts()
for slot in proving.slots:
let id = slot.id
if (await proving.market.isProofRequired(id)) or
(await proving.market.willProofBeRequired(id)):
asyncSpawn proving.prove(slot)
await proving.waitUntilPeriod(currentPeriod + 1)
except CancelledError:
discard
except CatchableError as e:
error "Proving failed", msg = e.msg
proc start*(proving: Proving) {.async.} =
if proving.loop.isSome:
return
proving.loop = some proving.run()
proc stop*(proving: Proving) {.async.} =
if loop =? proving.loop:
proving.loop = Future[void].none
if not loop.finished:
await loop.cancelAndWait()
proc subscribeProofSubmission*(proving: Proving,
callback: OnProofSubmitted):
Future[Subscription] =
proving.market.subscribeProofSubmission(callback)
export proving
export simulated

101
codex/proving/proving.nim Normal file
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@ -0,0 +1,101 @@
import std/sets
import pkg/upraises
import pkg/questionable
import pkg/chronicles
import ../market
import ../clock
export sets
logScope:
topics = "marketplace proving"
type
Proving* = ref object of RootObj
market*: Market
clock: Clock
loop: ?Future[void]
slots*: HashSet[Slot]
onProve: ?OnProve
OnProve* = proc(slot: Slot): Future[seq[byte]] {.gcsafe, upraises: [].}
func new*(T: type Proving, market: Market, clock: Clock): T =
T(market: market, clock: clock)
proc onProve*(proving: Proving): ?OnProve =
proving.onProve
proc `onProve=`*(proving: Proving, callback: OnProve) =
proving.onProve = some callback
func add*(proving: Proving, slot: Slot) =
proving.slots.incl(slot)
proc getCurrentPeriod*(proving: Proving): Future[Period] {.async.} =
let periodicity = await proving.market.periodicity()
return periodicity.periodOf(proving.clock.now().u256)
proc waitUntilPeriod(proving: Proving, period: Period) {.async.} =
let periodicity = await proving.market.periodicity()
await proving.clock.waitUntil(periodicity.periodStart(period).truncate(int64))
proc removeEndedContracts(proving: Proving) {.async.} =
var ended: HashSet[Slot]
for slot in proving.slots:
let state = await proving.market.slotState(slot.id)
if state == SlotState.Finished:
debug "Collecting finished slot's reward", slot = $slot.id
await proving.market.freeSlot(slot.id)
if state != SlotState.Filled:
debug "Request ended, cleaning up slot", slot = $slot.id
ended.incl(slot)
proving.slots.excl(ended)
method prove*(proving: Proving, slot: Slot) {.base, async.} =
logScope:
currentPeriod = await proving.getCurrentPeriod()
without onProve =? proving.onProve:
raiseAssert "onProve callback not set"
try:
debug "Proving slot"
let proof = await onProve(slot)
trace "submitting proof", currentPeriod = await proving.getCurrentPeriod()
await proving.market.submitProof(slot.id, proof)
except CatchableError as e:
error "Submitting proof failed", msg = e.msg
proc run(proving: Proving) {.async.} =
try:
while true:
let currentPeriod = await proving.getCurrentPeriod()
debug "Proving for new period", period = currentPeriod
await proving.removeEndedContracts()
for slot in proving.slots:
let id = slot.id
if (await proving.market.isProofRequired(id)) or
(await proving.market.willProofBeRequired(id)):
asyncSpawn proving.prove(slot)
await proving.waitUntilPeriod(currentPeriod + 1)
except CancelledError:
discard
except CatchableError as e:
error "Proving failed", msg = e.msg
proc start*(proving: Proving) {.async.} =
if proving.loop.isSome:
return
proving.loop = some proving.run()
proc stop*(proving: Proving) {.async.} =
if loop =? proving.loop:
proving.loop = Future[void].none
if not loop.finished:
await loop.cancelAndWait()
proc subscribeProofSubmission*(proving: Proving,
callback: OnProofSubmitted):
Future[Subscription] =
proving.market.subscribeProofSubmission(callback)

47
codex/proving/simulated.nim Normal file
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@ -0,0 +1,47 @@
import ../conf
when codex_enable_proof_failures:
import std/strutils
import pkg/chronicles
import pkg/ethers
import pkg/ethers/testing
import ../market
import ../clock
import ./proving
type
SimulatedProving* = ref object of Proving
failEveryNProofs: uint
proofCount: uint
logScope:
topics = "simulated proving"
func new*(_: type SimulatedProving,
market: Market,
clock: Clock,
failEveryNProofs: uint): SimulatedProving =
let p = SimulatedProving.new(market, clock)
p.failEveryNProofs = failEveryNProofs
return p
proc onSubmitProofError(error: ref CatchableError, period: UInt256) =
error "Submitting invalid proof failed", period, msg = error.msg
method prove(proving: SimulatedProving, slot: Slot) {.async.} =
let period = await proving.getCurrentPeriod()
proving.proofCount += 1
if proving.failEveryNProofs > 0'u and
proving.proofCount mod proving.failEveryNProofs == 0'u:
proving.proofCount = 0
try:
trace "submitting INVALID proof", currentPeriod = await proving.getCurrentPeriod()
await proving.market.submitProof(slot.id, newSeq[byte](0))
except ProviderError as e:
if not e.revertReason.contains("Invalid proof"):
onSubmitProofError(e, period)
except CatchableError as e:
onSubmitProofError(e, period)
else:
await procCall Proving(proving).prove(slot)

1
codex/rest/json.nim
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@ -70,4 +70,5 @@ func `%`*(purchase: Purchase): JsonNode =
"state": purchase.state |? "none",
"error": purchase.error.?msg,
"request": purchase.request,
"requestId": purchase.requestId
}

5
codex/sales/states/finished.nim
View File

@ -29,8 +29,9 @@ method run*(state: SaleFinished, machine: Machine): Future[?State] {.async.} =
if request =? data.request and
slotIndex =? data.slotIndex:
debug "Adding request to proving list", requestId = $data.requestId
context.proving.add(Slot(request: request, slotIndex: slotIndex))
let slot = Slot(request: request, slotIndex: slotIndex)
debug "Adding slot to proving list", slotId = $slot.id
context.proving.add(slot)
if onSale =? context.onSale:
onSale(request, slotIndex)

4
codex/sales/states/proving.nim
View File

@ -35,8 +35,8 @@ method run*(state: SaleProving, machine: Machine): Future[?State] {.async.} =
without onProve =? context.proving.onProve:
raiseAssert "onProve callback not set"
debug "Start proving", requestId = $data.requestId
debug "Start proof generation", requestId = $data.requestId
let proof = await onProve(Slot(request: request, slotIndex: data.slotIndex))
debug "Finished proving", requestId = $data.requestId
debug "Finished proof generation", requestId = $data.requestId
return some State(SaleFilling(proof: proof))

8
codex/validation.nim
View File

@ -62,14 +62,18 @@ proc removeSlotsThatHaveEnded(validation: Validation) {.async.} =
proc markProofAsMissing(validation: Validation,
slotId: SlotId,
period: Period) {.async.} =
logScope:
currentPeriod = validation.getCurrentPeriod()
try:
if await validation.market.canProofBeMarkedAsMissing(slotId, period):
trace "Marking proof as missing", slotId = $slotId, period = period
trace "Marking proof as missing", slotId = $slotId, periodProofMissed = period
await validation.market.markProofAsMissing(slotId, period)
else: trace "Proof not missing", checkedPeriod = period
except CancelledError:
raise
except CatchableError as e:
debug "Marking proof as missing failed", msg = e.msg
error "Marking proof as missing failed", msg = e.msg
proc markProofsAsMissing(validation: Validation) {.async.} =
for slotId in validation.slots:

63
tests/codex/testproving.nim
View File

@ -1,3 +1,4 @@
import std/sequtils
import pkg/asynctest
import pkg/chronos
import pkg/codex/proving
@ -122,3 +123,65 @@ suite "Proving":
check eventually receivedIds == @[slot.id] and receivedProofs == @[proof]
await subscription.unsubscribe()
suite "Simulated proving":
var proving: SimulatedProving
var subscription: Subscription
var market: MockMarket
var clock: MockClock
var submitted: seq[seq[byte]]
var proof: seq[byte]
let slot = Slot.example
var proofSubmitted: Future[void]
setup:
proof = exampleProof()
submitted = @[]
market = MockMarket.new()
clock = MockClock.new()
proofSubmitted = newFuture[void]("proofSubmitted")
teardown:
await subscription.unsubscribe()
await proving.stop()
proc newSimulatedProving(failEveryNProofs: uint) {.async.} =
proc onProofSubmission(id: SlotId, proof: seq[byte]) =
submitted.add(proof)
proofSubmitted.complete()
proofSubmitted = newFuture[void]("proofSubmitted")
proving = SimulatedProving.new(market, clock, failEveryNProofs)
proving.onProve = proc (slot: Slot): Future[seq[byte]] {.async.} =
return proof
subscription = await proving.subscribeProofSubmission(onProofSubmission)
proving.add(slot)
market.slotState[slot.id] = SlotState.Filled
market.setProofRequired(slot.id, true)
await proving.start()
proc advanceToNextPeriod(market: Market) {.async.} =
let periodicity = await market.periodicity()
clock.advance(periodicity.seconds.truncate(int64))
proc waitForProvingRounds(market: Market, rounds: uint) {.async.} =
var rnds = rounds - 1 # proof round runs prior to advancing
while rnds > 0:
await market.advanceToNextPeriod()
await proofSubmitted
rnds -= 1
test "submits invalid proof every 3 proofs":
let failEveryNProofs = 3'u
let totalProofs = 6'u
await newSimulatedProving(failEveryNProofs)
await market.waitForProvingRounds(totalProofs)
check submitted == @[proof, proof, @[], proof, proof, @[]]
test "does not submit invalid proofs when failEveryNProofs is 0":
let failEveryNProofs = 0'u
let totalProofs = 6'u
await newSimulatedProving(failEveryNProofs)
await market.waitForProvingRounds(totalProofs)
check submitted == proof.repeat(totalProofs)

1
tests/contracts/testDeployment.nim
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@ -1,4 +1,3 @@
import std/os
import pkg/asynctest
import pkg/ethers
import codex/contracts/deployment

123
tests/integration/multinodes.nim Normal file
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@ -0,0 +1,123 @@
import std/os
import std/macros
import std/json
import std/httpclient
import pkg/chronicles
import ../ethertest
import ./codexclient
import ./nodes
export ethertest
export codexclient
export nodes
template multinodesuite*(name: string,
startNodes: StartNodes, debugNodes: DebugNodes, body: untyped) =
if (debugNodes.client or debugNodes.provider) and
(enabledLogLevel > LogLevel.TRACE or
enabledLogLevel == LogLevel.NONE):
echo ""
echo "More test debug logging is available by running the tests with " &
"'-d:chronicles_log_level=TRACE " &
"-d:chronicles_disabled_topics=websock " &
"-d:chronicles_default_output_device=stdout " &
"-d:chronicles_sinks=textlines'"
echo ""
ethersuite name:
var running: seq[RunningNode]
var bootstrap: string
proc newNodeProcess(index: int,
addlOptions: seq[string],
debug: bool): (NodeProcess, string, Address) =
if index > accounts.len - 1:
raiseAssert("Cannot start node at index " & $index &
", not enough eth accounts.")
let datadir = getTempDir() / "Codex" & $index
var options = @[
"--api-port=" & $(8080 + index),
"--data-dir=" & datadir,
"--nat=127.0.0.1",
"--disc-ip=127.0.0.1",
"--disc-port=" & $(8090 + index),
"--eth-account=" & $accounts[index]]
.concat(addlOptions)
if debug: options.add "--log-level=INFO;TRACE: " & debugNodes.topics
let node = startNode(options, debug = debug)
(node, datadir, accounts[index])
proc newCodexClient(index: int): CodexClient =
CodexClient.new("http://localhost:" & $(8080 + index) & "/api/codex/v1")
proc startClientNode() =
let index = running.len
let (node, datadir, account) = newNodeProcess(
index, @["--persistence"], debugNodes.client)
let restClient = newCodexClient(index)
running.add RunningNode.new(Role.Client, node, restClient, datadir,
account)
if debugNodes.client:
debug "started new client node and codex client",
restApiPort = 8080 + index, discPort = 8090 + index, account
proc startProviderNode(failEveryNProofs: uint = 0) =
let index = running.len
let (node, datadir, account) = newNodeProcess(index, @[
"--bootstrap-node=" & bootstrap,
"--persistence",
"--simulate-proof-failures=" & $failEveryNProofs],
debugNodes.provider)
let restClient = newCodexClient(index)
running.add RunningNode.new(Role.Provider, node, restClient, datadir,
account)
if debugNodes.provider:
debug "started new provider node and codex client",
restApiPort = 8080 + index, discPort = 8090 + index, account
proc startValidatorNode() =
let index = running.len
let (node, datadir, account) = newNodeProcess(index, @[
"--bootstrap-node=" & bootstrap,
"--validator"],
debugNodes.validator)
let restClient = newCodexClient(index)
running.add RunningNode.new(Role.Validator, node, restClient, datadir,
account)
if debugNodes.validator:
debug "started new validator node and codex client",
restApiPort = 8080 + index, discPort = 8090 + index, account
proc clients(): seq[RunningNode] =
running.filter(proc(r: RunningNode): bool = r.role == Role.Client)
proc providers(): seq[RunningNode] =
running.filter(proc(r: RunningNode): bool = r.role == Role.Provider)
proc validators(): seq[RunningNode] =
running.filter(proc(r: RunningNode): bool = r.role == Role.Validator)
setup:
for i in 0..<startNodes.clients:
startClientNode()
if i == 0:
bootstrap = running[0].restClient.info()["spr"].getStr()
for i in 0..<startNodes.providers:
startProviderNode()
for i in 0..<startNodes.validators:
startValidatorNode()
teardown:
for r in running:
r.restClient.close()
r.node.stop()
removeDir(r.datadir)
running = @[]
body

52
tests/integration/nodes.nim
View File

@ -2,14 +2,58 @@ import std/osproc
import std/os
import std/streams
import std/strutils
import pkg/ethers
import ./codexclient
const workingDir = currentSourcePath() / ".." / ".." / ".."
const executable = "build" / "codex"
type NodeProcess* = ref object
process: Process
arguments: seq[string]
debug: bool
type
NodeProcess* = ref object
process: Process
arguments: seq[string]
debug: bool
Role* = enum
Client,
Provider,
Validator
RunningNode* = ref object
role*: Role
node*: NodeProcess
restClient*: CodexClient
datadir*: string
ethAccount*: Address
StartNodes* = object
clients*: uint
providers*: uint
validators*: uint
DebugNodes* = object
client*: bool
provider*: bool
validator*: bool
topics*: string
proc new*(_: type RunningNode,
role: Role,
node: NodeProcess,
restClient: CodexClient,
datadir: string,
ethAccount: Address): RunningNode =
RunningNode(role: role,
node: node,
restClient: restClient,
datadir: datadir,
ethAccount: ethAccount)
proc init*(_: type StartNodes,
clients, providers, validators: uint): StartNodes =
StartNodes(clients: clients, providers: providers, validators: validators)
proc init*(_: type DebugNodes,
client, provider, validator: bool,
topics: string = "validator,proving,market"): DebugNodes =
DebugNodes(client: client, provider: provider, validator: validator,
topics: topics)
proc start(node: NodeProcess) =
if node.debug:

1
tests/integration/testIntegration.nim
View File

@ -110,6 +110,5 @@ twonodessuite "Integration tests", debug1 = false, debug2 = false:
# hence we must use `advanceTime` over `sleepAsync` as Hardhat does mine new blocks
# only with new transaction
await provider.advanceTime(duration.u256)
await sleepAsync(1.seconds)
check eventually (await token.balanceOf(account2)) - startBalance == duration.u256*reward.u256

123
tests/integration/testproofs.nim
View File

@ -1,11 +1,17 @@
import std/sequtils
import std/os
from std/times import getTime, toUnix
import pkg/chronicles
import codex/contracts/marketplace
import codex/contracts/deployment
import codex/periods
import ../contracts/time
import ../contracts/deployment
import ../codex/helpers/eventually
import ./twonodes
import ./multinodes
logScope:
topics = "test proofs"
twonodessuite "Proving integration test", debug1=false, debug2=false:
@ -95,3 +101,118 @@ twonodessuite "Proving integration test", debug1=false, debug2=false:
await subscription.unsubscribe()
stopValidator(validator)
multinodesuite "Simulate invalid proofs",
StartNodes.init(clients=1'u, providers=0'u, validators=1'u),
DebugNodes.init(client=false, provider=false, validator=false):
var marketplace: Marketplace
var period: uint64
var slotId: SlotId
setup:
marketplace = Marketplace.new(Marketplace.address, provider)
let config = await marketplace.config()
period = config.proofs.period.truncate(uint64)
slotId = SlotId(array[32, byte].default) # ensure we aren't reusing from prev test
# Our Hardhat configuration does use automine, which means that time tracked by `provider.currentTime()` is not
# advanced until blocks are mined and that happens only when transaction is submitted.
# As we use in tests provider.currentTime() which uses block timestamp this can lead to synchronization issues.
await provider.advanceTime(1.u256)
proc periods(p: Ordinal | uint): uint64 =
when p is uint:
p * period
else: p.uint * period
proc advanceToNextPeriod {.async.} =
let periodicity = Periodicity(seconds: period.u256)
let currentPeriod = periodicity.periodOf(await provider.currentTime())
let endOfPeriod = periodicity.periodEnd(currentPeriod)
await provider.advanceTimeTo(endOfPeriod + 1)
proc waitUntilPurchaseIsStarted(proofProbability: uint64 = 1,
duration: uint64 = 12.periods,
expiry: uint64 = 4.periods) {.async.} =
if clients().len < 1 or providers().len < 1:
raiseAssert("must start at least one client and one provider")
let client = clients()[0].restClient
let storageProvider = providers()[0].restClient
discard storageProvider.postAvailability(
size=0xFFFFF,
duration=duration,
minPrice=300,
maxCollateral=200
)
let cid = client.upload("some file contents " & $ getTime().toUnix)
let expiry = (await provider.currentTime()) + expiry.u256
# avoid timing issues by filling the slot at the start of the next period
await advanceToNextPeriod()
let purchase = client.requestStorage(
cid,
expiry=expiry,
duration=duration,
proofProbability=proofProbability,
collateral=100,
reward=400
)
check eventually client.getPurchase(purchase){"state"} == %"started"
let requestId = RequestId.fromHex client.getPurchase(purchase){"requestId"}.getStr
slotId = slotId(requestId, 0.u256)
# TODO: these are very loose tests in that they are not testing EXACTLY how
# proofs were marked as missed by the validator. These tests should be
# tightened so that they are showing, as an integration test, that specific
# proofs are being marked as missed by the validator.
test "slot is freed after too many invalid proofs submitted":
let failEveryNProofs = 2'u
let totalProofs = 100'u
startProviderNode(failEveryNProofs)
await waitUntilPurchaseIsStarted(duration=totalProofs.periods)
var slotWasFreed = false
proc onSlotFreed(event: SlotFreed) =
if event.slotId == slotId:
slotWasFreed = true
let subscription = await marketplace.subscribe(SlotFreed, onSlotFreed)
for _ in 0..<totalProofs:
if slotWasFreed:
break
else:
await advanceToNextPeriod()
await sleepAsync(1.seconds)
check slotWasFreed
await subscription.unsubscribe()
test "slot is not freed when not enough invalid proofs submitted":
let failEveryNProofs = 3'u
let totalProofs = 12'u
startProviderNode(failEveryNProofs)
await waitUntilPurchaseIsStarted(duration=totalProofs.periods)
var slotWasFreed = false
proc onSlotFreed(event: SlotFreed) =
if event.slotId == slotId:
slotWasFreed = true
let subscription = await marketplace.subscribe(SlotFreed, onSlotFreed)
for _ in 0..<totalProofs:
if slotWasFreed:
break
else:
await advanceToNextPeriod()
await sleepAsync(1.seconds)
check not slotWasFreed
await subscription.unsubscribe()