nim-codex/tests/codex/testsales.nim

213 lines
7.4 KiB
Nim

import std/sets
import pkg/asynctest
import pkg/chronos
import pkg/codex/contracts/requests
import pkg/codex/proving
import pkg/codex/sales
import ./helpers/mockmarket
import ./helpers/mockclock
import ./examples
suite "Sales":
let availability = Availability.init(
size=100.u256,
duration=60.u256,
minPrice=600.u256
)
var request = StorageRequest(
ask: StorageAsk(
slots: 4,
slotSize: 100.u256,
duration: 60.u256,
reward: 10.u256,
),
content: StorageContent(
cid: "some cid"
)
)
let proof = seq[byte].example
var sales: Sales
var market: MockMarket
var clock: MockClock
var proving: Proving
setup:
market = MockMarket.new()
clock = MockClock.new()
proving = Proving.new()
sales = Sales.new(market, clock, proving)
sales.onStore = proc(request: StorageRequest,
slot: UInt256,
availability: Availability) {.async.} =
discard
sales.onProve = proc(request: StorageRequest,
slot: UInt256): Future[seq[byte]] {.async.} =
return proof
await sales.start()
request.expiry = (clock.now() + 42).u256
teardown:
await sales.stop()
test "has no availability initially":
check sales.available.len == 0
test "can add available storage":
let availability1 = Availability.example
let availability2 = Availability.example
sales.add(availability1)
check sales.available.contains(availability1)
sales.add(availability2)
check sales.available.contains(availability1)
check sales.available.contains(availability2)
test "can remove available storage":
sales.add(availability)
sales.remove(availability)
check sales.available.len == 0
test "generates unique ids for storage availability":
let availability1 = Availability.init(1.u256, 2.u256, 3.u256)
let availability2 = Availability.init(1.u256, 2.u256, 3.u256)
check availability1.id != availability2.id
test "makes storage unavailable when matching request comes in":
sales.add(availability)
discard await market.requestStorage(request)
check sales.available.len == 0
test "ignores request when no matching storage is available":
sales.add(availability)
var tooBig = request
tooBig.ask.slotSize = request.ask.slotSize + 1
discard await market.requestStorage(tooBig)
check sales.available == @[availability]
test "ignores request when reward is too low":
sales.add(availability)
var tooCheap = request
tooCheap.ask.reward = request.ask.reward - 1
discard await market.requestStorage(tooCheap)
check sales.available == @[availability]
test "retrieves and stores data locally":
var storingRequest: StorageRequest
var storingSlot: UInt256
var storingAvailability: Availability
sales.onStore = proc(request: StorageRequest,
slot: UInt256,
availability: Availability) {.async.} =
storingRequest = request
storingSlot = slot
storingAvailability = availability
sales.add(availability)
let requested = await market.requestStorage(request)
check storingRequest == requested
check storingSlot < request.ask.slots.u256
check storingAvailability == availability
test "makes storage available again when data retrieval fails":
let error = newException(IOError, "data retrieval failed")
sales.onStore = proc(request: StorageRequest,
slot: UInt256,
availability: Availability) {.async.} =
raise error
sales.add(availability)
discard await market.requestStorage(request)
check sales.available == @[availability]
test "generates proof of storage":
var provingRequest: StorageRequest
var provingSlot: UInt256
sales.onProve = proc(request: StorageRequest,
slot: UInt256): Future[seq[byte]] {.async.} =
provingRequest = request
provingSlot = slot
sales.add(availability)
let requested = await market.requestStorage(request)
check provingRequest == requested
check provingSlot < request.ask.slots.u256
test "fills a slot":
sales.add(availability)
discard await market.requestStorage(request)
check market.filled.len == 1
check market.filled[0].requestId == request.id
check market.filled[0].slotIndex < request.ask.slots.u256
check market.filled[0].proof == proof
check market.filled[0].host == await market.getSigner()
test "calls onSale when slot is filled":
var soldAvailability: Availability
var soldRequest: StorageRequest
var soldSlotIndex: UInt256
sales.onSale = proc(availability: Availability,
request: StorageRequest,
slotIndex: UInt256) =
soldAvailability = availability
soldRequest = request
soldSlotIndex = slotIndex
sales.add(availability)
discard await market.requestStorage(request)
check soldAvailability == availability
check soldRequest == request
check soldSlotIndex < request.ask.slots.u256
test "calls onClear when storage becomes available again":
# fail the proof intentionally to trigger `agent.finish(success=false)`,
# which then calls the onClear callback
sales.onProve = proc(request: StorageRequest,
slot: UInt256): Future[seq[byte]] {.async.} =
raise newException(IOError, "proof failed")
var clearedAvailability: Availability
var clearedRequest: StorageRequest
var clearedSlotIndex: UInt256
sales.onClear = proc(availability: Availability,
request: StorageRequest,
slotIndex: UInt256) =
clearedAvailability = availability
clearedRequest = request
clearedSlotIndex = slotIndex
sales.add(availability)
discard await market.requestStorage(request)
check clearedAvailability == availability
check clearedRequest == request
check clearedSlotIndex < request.ask.slots.u256
test "makes storage available again when other host fills the slot":
let otherHost = Address.example
sales.onStore = proc(request: StorageRequest,
slot: UInt256,
availability: Availability) {.async.} =
await sleepAsync(1.hours)
sales.add(availability)
discard await market.requestStorage(request)
for slotIndex in 0..<request.ask.slots:
market.fillSlot(request.id, slotIndex.u256, proof, otherHost)
check sales.available == @[availability]
test "makes storage available again when request expires":
sales.onStore = proc(request: StorageRequest,
slot: UInt256,
availability: Availability) {.async.} =
await sleepAsync(1.hours)
sales.add(availability)
discard await market.requestStorage(request)
clock.set(request.expiry.truncate(int64))
await sleepAsync(2.seconds)
check sales.available == @[availability]
test "adds proving for slot when slot is filled":
var soldSlotIndex: UInt256
sales.onSale = proc(availability: Availability,
request: StorageRequest,
slotIndex: UInt256) =
soldSlotIndex = slotIndex
check proving.contracts.len == 0
sales.add(availability)
discard await market.requestStorage(request)
check proving.contracts.len == 1
check proving.contracts.contains(request.slotId(soldSlotIndex))