nim-dagger/tests/codex/testpurchasing.nim

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import std/times
import pkg/asynctest
import pkg/chronos
import pkg/stint
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import pkg/codex/purchasing
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import ./helpers/mockmarket
import ./helpers/mockclock
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import ./examples
suite "Purchasing":
var purchasing: Purchasing
var market: MockMarket
var clock: MockClock
var request: StorageRequest
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setup:
market = MockMarket.new()
clock = MockClock.new()
purchasing = Purchasing.new(market, clock)
request = StorageRequest(
ask: StorageAsk(
duration: uint16.example.u256,
size: uint32.example.u256,
)
)
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test "submits a storage request when asked":
discard purchasing.purchase(request)
let submitted = market.requested[0]
check submitted.ask.duration == request.ask.duration
check submitted.ask.size == request.ask.size
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check submitted.ask.reward == request.ask.reward
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test "remembers purchases":
let purchase1 = purchasing.purchase(request)
let purchase2 = purchasing.purchase(request)
check purchasing.getPurchase(purchase1.id) == some purchase1
check purchasing.getPurchase(purchase2.id) == some purchase2
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test "has a default value for proof probability":
check purchasing.proofProbability != 0.u256
test "can change default value for proof probability":
purchasing.proofProbability = 42.u256
discard purchasing.purchase(request)
check market.requested[0].ask.proofProbability == 42.u256
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test "can override proof probability per request":
request.ask.proofProbability = 42.u256
discard purchasing.purchase(request)
check market.requested[0].ask.proofProbability == 42.u256
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test "has a default value for request expiration interval":
check purchasing.requestExpiryInterval != 0.u256
test "can change default value for request expiration interval":
purchasing.requestExpiryInterval = 42.u256
let start = getTime().toUnix()
discard purchasing.purchase(request)
check market.requested[0].expiry == (start + 42).u256
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test "can override expiry time per request":
let expiry = (getTime().toUnix() + 42).u256
request.expiry = expiry
discard purchasing.purchase(request)
check market.requested[0].expiry == expiry
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test "includes a random nonce in every storage request":
discard purchasing.purchase(request)
discard purchasing.purchase(request)
check market.requested[0].nonce != market.requested[1].nonce
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test "succeeds when request is fulfilled":
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let purchase = purchasing.purchase(request)
let request = market.requested[0]
market.emitRequestFulfilled(request.id)
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await purchase.wait()
check purchase.error.isNone
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test "fails when request times out":
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let purchase = purchasing.purchase(request)
let request = market.requested[0]
clock.set(request.expiry.truncate(int64))
expect PurchaseTimeout:
await purchase.wait()