245 lines
9.2 KiB
Nim
245 lines
9.2 KiB
Nim
import std/strutils
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import std/strformat
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import pkg/chronicles
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import pkg/ethers
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import pkg/ethers/testing
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import pkg/upraises
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import pkg/questionable
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import pkg/chronicles
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import ../market
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import ./marketplace
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export market
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logScope:
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topics = "marketplace onchain market"
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type
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OnChainMarket* = ref object of Market
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contract: Marketplace
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signer: Signer
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MarketSubscription = market.Subscription
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EventSubscription = ethers.Subscription
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OnChainMarketSubscription = ref object of MarketSubscription
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eventSubscription: EventSubscription
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func new*(_: type OnChainMarket, contract: Marketplace): OnChainMarket =
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without signer =? contract.signer:
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raiseAssert("Marketplace contract should have a signer")
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OnChainMarket(
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contract: contract,
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signer: signer,
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)
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proc approveFunds(market: OnChainMarket, amount: UInt256) {.async.} =
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debug "Approving tokens", amount
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let tokenAddress = await market.contract.token()
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let token = Erc20Token.new(tokenAddress, market.signer)
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await token.approve(market.contract.address(), amount)
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method getSigner*(market: OnChainMarket): Future[Address] {.async.} =
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return await market.signer.getAddress()
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method periodicity*(market: OnChainMarket): Future[Periodicity] {.async.} =
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let config = await market.contract.config()
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let period = config.proofs.period
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return Periodicity(seconds: period)
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method proofTimeout*(market: OnChainMarket): Future[UInt256] {.async.} =
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let config = await market.contract.config()
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return config.proofs.timeout
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method myRequests*(market: OnChainMarket): Future[seq[RequestId]] {.async.} =
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return await market.contract.myRequests
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method mySlots*(market: OnChainMarket): Future[seq[SlotId]] {.async.} =
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let slots = await market.contract.mySlots()
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debug "Fetched my slots", numSlots=len(slots)
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return slots
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method requestStorage(market: OnChainMarket, request: StorageRequest){.async.} =
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debug "Requesting storage"
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await market.approveFunds(request.price())
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await market.contract.requestStorage(request)
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method getRequest(market: OnChainMarket,
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id: RequestId): Future[?StorageRequest] {.async.} =
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try:
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return some await market.contract.getRequest(id)
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except ProviderError as e:
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if e.revertReason.contains("Unknown request"):
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return none StorageRequest
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raise e
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method requestState*(market: OnChainMarket,
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requestId: RequestId): Future[?RequestState] {.async.} =
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try:
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return some await market.contract.requestState(requestId)
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except ProviderError as e:
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if e.revertReason.contains("Unknown request"):
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return none RequestState
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raise e
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method slotState*(market: OnChainMarket,
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slotId: SlotId): Future[SlotState] {.async.} =
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return await market.contract.slotState(slotId)
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method getRequestEnd*(market: OnChainMarket,
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id: RequestId): Future[SecondsSince1970] {.async.} =
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return await market.contract.requestEnd(id)
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method getHost(market: OnChainMarket,
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requestId: RequestId,
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slotIndex: UInt256): Future[?Address] {.async.} =
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let slotId = slotId(requestId, slotIndex)
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let address = await market.contract.getHost(slotId)
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if address != Address.default:
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return some address
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else:
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return none Address
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method getActiveSlot*(market: OnChainMarket,
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slotId: SlotId): Future[?Slot] {.async.} =
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try:
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return some await market.contract.getActiveSlot(slotId)
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except ProviderError as e:
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if e.revertReason.contains("Slot is free"):
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return none Slot
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raise e
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method fillSlot(market: OnChainMarket,
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requestId: RequestId,
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slotIndex: UInt256,
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proof: seq[byte],
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collateral: UInt256) {.async.} =
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await market.approveFunds(collateral)
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await market.contract.fillSlot(requestId, slotIndex, proof)
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method freeSlot*(market: OnChainMarket, slotId: SlotId) {.async.} =
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await market.contract.freeSlot(slotId)
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method withdrawFunds(market: OnChainMarket,
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requestId: RequestId) {.async.} =
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await market.contract.withdrawFunds(requestId)
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method isProofRequired*(market: OnChainMarket,
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id: SlotId): Future[bool] {.async.} =
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try:
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return await market.contract.isProofRequired(id)
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except ProviderError as e:
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if e.revertReason.contains("Slot is free"):
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return false
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raise e
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method willProofBeRequired*(market: OnChainMarket,
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id: SlotId): Future[bool] {.async.} =
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try:
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return await market.contract.willProofBeRequired(id)
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except ProviderError as e:
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if e.revertReason.contains("Slot is free"):
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return false
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raise e
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method submitProof*(market: OnChainMarket,
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id: SlotId,
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proof: seq[byte]) {.async.} =
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await market.contract.submitProof(id, proof)
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method markProofAsMissing*(market: OnChainMarket,
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id: SlotId,
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period: Period) {.async.} =
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await market.contract.markProofAsMissing(id, period)
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method canProofBeMarkedAsMissing*(
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market: OnChainMarket,
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id: SlotId,
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period: Period
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): Future[bool] {.async.} =
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let provider = market.contract.provider
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let contractWithoutSigner = market.contract.connect(provider)
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let overrides = CallOverrides(blockTag: some BlockTag.pending)
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try:
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await contractWithoutSigner.markProofAsMissing(id, period, overrides)
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return true
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except EthersError as e:
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trace "Proof can not be marked as missing", msg = e.msg
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return false
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method subscribeRequests(market: OnChainMarket,
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callback: OnRequest):
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Future[MarketSubscription] {.async.} =
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proc onEvent(event: StorageRequested) {.upraises:[].} =
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callback(event.requestId, event.ask)
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let subscription = await market.contract.subscribe(StorageRequested, onEvent)
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return OnChainMarketSubscription(eventSubscription: subscription)
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method subscribeSlotFilled*(market: OnChainMarket,
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callback: OnSlotFilled):
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Future[MarketSubscription] {.async.} =
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proc onEvent(event: SlotFilled) {.upraises:[].} =
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callback(event.requestId, event.slotIndex)
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let subscription = await market.contract.subscribe(SlotFilled, onEvent)
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return OnChainMarketSubscription(eventSubscription: subscription)
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method subscribeSlotFilled*(market: OnChainMarket,
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requestId: RequestId,
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slotIndex: UInt256,
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callback: OnSlotFilled):
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Future[MarketSubscription] {.async.} =
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proc onSlotFilled(eventRequestId: RequestId, eventSlotIndex: UInt256) =
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if eventRequestId == requestId and eventSlotIndex == slotIndex:
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callback(requestId, slotIndex)
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return await market.subscribeSlotFilled(onSlotFilled)
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method subscribeSlotFreed*(market: OnChainMarket,
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callback: OnSlotFreed):
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Future[MarketSubscription] {.async.} =
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proc onEvent(event: SlotFreed) {.upraises:[].} =
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callback(event.slotId)
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let subscription = await market.contract.subscribe(SlotFreed, onEvent)
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return OnChainMarketSubscription(eventSubscription: subscription)
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method subscribeFulfillment(market: OnChainMarket,
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requestId: RequestId,
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callback: OnFulfillment):
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Future[MarketSubscription] {.async.} =
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proc onEvent(event: RequestFulfilled) {.upraises:[].} =
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if event.requestId == requestId:
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callback(event.requestId)
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let subscription = await market.contract.subscribe(RequestFulfilled, onEvent)
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return OnChainMarketSubscription(eventSubscription: subscription)
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method subscribeRequestCancelled*(market: OnChainMarket,
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requestId: RequestId,
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callback: OnRequestCancelled):
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Future[MarketSubscription] {.async.} =
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proc onEvent(event: RequestCancelled) {.upraises:[].} =
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if event.requestId == requestId:
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callback(event.requestId)
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let subscription = await market.contract.subscribe(RequestCancelled, onEvent)
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return OnChainMarketSubscription(eventSubscription: subscription)
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method subscribeRequestFailed*(market: OnChainMarket,
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requestId: RequestId,
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callback: OnRequestFailed):
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Future[MarketSubscription] {.async.} =
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proc onEvent(event: RequestFailed) {.upraises:[]} =
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if event.requestId == requestId:
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callback(event.requestId)
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let subscription = await market.contract.subscribe(RequestFailed, onEvent)
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return OnChainMarketSubscription(eventSubscription: subscription)
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method subscribeProofSubmission*(market: OnChainMarket,
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callback: OnProofSubmitted):
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Future[MarketSubscription] {.async.} =
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proc onEvent(event: ProofSubmitted) {.upraises: [].} =
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callback(event.id, event.proof)
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let subscription = await market.contract.subscribe(ProofSubmitted, onEvent)
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return OnChainMarketSubscription(eventSubscription: subscription)
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method unsubscribe*(subscription: OnChainMarketSubscription) {.async.} =
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await subscription.eventSubscription.unsubscribe()
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