500 lines
18 KiB
Nim
500 lines
18 KiB
Nim
# import std/sequtils
|
|
import std/strutils
|
|
import std/strformat
|
|
# import std/sugar
|
|
import pkg/ethers
|
|
import pkg/upraises
|
|
import pkg/questionable
|
|
import ../utils/exceptions
|
|
import ../logutils
|
|
import ../market
|
|
import ./marketplace
|
|
import ./proofs
|
|
|
|
export market
|
|
|
|
logScope:
|
|
topics = "marketplace onchain market"
|
|
|
|
type
|
|
OnChainMarket* = ref object of Market
|
|
contract: Marketplace
|
|
signer: Signer
|
|
rewardRecipient: ?Address
|
|
MarketSubscription = market.Subscription
|
|
EventSubscription = ethers.Subscription
|
|
OnChainMarketSubscription = ref object of MarketSubscription
|
|
eventSubscription: EventSubscription
|
|
|
|
func new*(
|
|
_: type OnChainMarket,
|
|
contract: Marketplace,
|
|
rewardRecipient = Address.none): OnChainMarket =
|
|
|
|
without signer =? contract.signer:
|
|
raiseAssert("Marketplace contract should have a signer")
|
|
|
|
OnChainMarket(
|
|
contract: contract,
|
|
signer: signer,
|
|
rewardRecipient: rewardRecipient
|
|
)
|
|
|
|
proc raiseMarketError(message: string) {.raises: [MarketError].} =
|
|
raise newException(MarketError, message)
|
|
|
|
template convertEthersError(body) =
|
|
try:
|
|
body
|
|
except EthersError as error:
|
|
raiseMarketError(error.msgDetail)
|
|
|
|
proc approveFunds(market: OnChainMarket, amount: UInt256) {.async.} =
|
|
debug "Approving tokens", amount
|
|
convertEthersError:
|
|
let tokenAddress = await market.contract.token()
|
|
let token = Erc20Token.new(tokenAddress, market.signer)
|
|
discard await token.increaseAllowance(market.contract.address(), amount).confirm(1)
|
|
|
|
method getZkeyHash*(market: OnChainMarket): Future[?string] {.async.} =
|
|
let config = await market.contract.configuration()
|
|
return some config.proofs.zkeyHash
|
|
|
|
method getSigner*(market: OnChainMarket): Future[Address] {.async.} =
|
|
convertEthersError:
|
|
return await market.signer.getAddress()
|
|
|
|
method periodicity*(market: OnChainMarket): Future[Periodicity] {.async.} =
|
|
convertEthersError:
|
|
let config = await market.contract.configuration()
|
|
let period = config.proofs.period
|
|
return Periodicity(seconds: period)
|
|
|
|
method proofTimeout*(market: OnChainMarket): Future[UInt256] {.async.} =
|
|
convertEthersError:
|
|
let config = await market.contract.configuration()
|
|
return config.proofs.timeout
|
|
|
|
method proofDowntime*(market: OnChainMarket): Future[uint8] {.async.} =
|
|
convertEthersError:
|
|
let config = await market.contract.configuration()
|
|
return config.proofs.downtime
|
|
|
|
method getPointer*(market: OnChainMarket, slotId: SlotId): Future[uint8] {.async.} =
|
|
convertEthersError:
|
|
let overrides = CallOverrides(blockTag: some BlockTag.pending)
|
|
return await market.contract.getPointer(slotId, overrides)
|
|
|
|
method myRequests*(market: OnChainMarket): Future[seq[RequestId]] {.async.} =
|
|
convertEthersError:
|
|
return await market.contract.myRequests
|
|
|
|
method mySlots*(market: OnChainMarket): Future[seq[SlotId]] {.async.} =
|
|
convertEthersError:
|
|
let slots = await market.contract.mySlots()
|
|
debug "Fetched my slots", numSlots=len(slots)
|
|
|
|
return slots
|
|
|
|
method requestStorage(market: OnChainMarket, request: StorageRequest){.async.} =
|
|
convertEthersError:
|
|
debug "Requesting storage"
|
|
await market.approveFunds(request.price())
|
|
discard await market.contract.requestStorage(request).confirm(1)
|
|
|
|
method getRequest(market: OnChainMarket,
|
|
id: RequestId): Future[?StorageRequest] {.async.} =
|
|
convertEthersError:
|
|
try:
|
|
return some await market.contract.getRequest(id)
|
|
except ProviderError as e:
|
|
if e.msgDetail.contains("Unknown request"):
|
|
return none StorageRequest
|
|
raise e
|
|
|
|
method requestState*(market: OnChainMarket,
|
|
requestId: RequestId): Future[?RequestState] {.async.} =
|
|
convertEthersError:
|
|
try:
|
|
let overrides = CallOverrides(blockTag: some BlockTag.pending)
|
|
return some await market.contract.requestState(requestId, overrides)
|
|
except ProviderError as e:
|
|
if e.msgDetail.contains("Unknown request"):
|
|
return none RequestState
|
|
raise e
|
|
|
|
method slotState*(market: OnChainMarket,
|
|
slotId: SlotId): Future[SlotState] {.async.} =
|
|
convertEthersError:
|
|
let overrides = CallOverrides(blockTag: some BlockTag.pending)
|
|
return await market.contract.slotState(slotId, overrides)
|
|
|
|
method getRequestEnd*(market: OnChainMarket,
|
|
id: RequestId): Future[SecondsSince1970] {.async.} =
|
|
convertEthersError:
|
|
return await market.contract.requestEnd(id)
|
|
|
|
method requestExpiresAt*(market: OnChainMarket,
|
|
id: RequestId): Future[SecondsSince1970] {.async.} =
|
|
convertEthersError:
|
|
return await market.contract.requestExpiry(id)
|
|
|
|
method getHost(market: OnChainMarket,
|
|
requestId: RequestId,
|
|
slotIndex: UInt256): Future[?Address] {.async.} =
|
|
convertEthersError:
|
|
let slotId = slotId(requestId, slotIndex)
|
|
let address = await market.contract.getHost(slotId)
|
|
if address != Address.default:
|
|
return some address
|
|
else:
|
|
return none Address
|
|
|
|
method getActiveSlot*(market: OnChainMarket,
|
|
slotId: SlotId): Future[?Slot] {.async.} =
|
|
convertEthersError:
|
|
try:
|
|
return some await market.contract.getActiveSlot(slotId)
|
|
except ProviderError as e:
|
|
if e.msgDetail.contains("Slot is free"):
|
|
return none Slot
|
|
raise e
|
|
|
|
method fillSlot(market: OnChainMarket,
|
|
requestId: RequestId,
|
|
slotIndex: UInt256,
|
|
proof: Groth16Proof,
|
|
collateral: UInt256) {.async.} =
|
|
convertEthersError:
|
|
logScope:
|
|
requestId
|
|
slotIndex
|
|
|
|
await market.approveFunds(collateral)
|
|
trace "calling fillSlot on contract"
|
|
discard await market.contract.fillSlot(requestId, slotIndex, proof).confirm(1)
|
|
trace "fillSlot transaction completed"
|
|
|
|
method freeSlot*(market: OnChainMarket, slotId: SlotId) {.async.} =
|
|
convertEthersError:
|
|
var freeSlot: Future[Confirmable]
|
|
if rewardRecipient =? market.rewardRecipient:
|
|
# If --reward-recipient specified, use it as the reward recipient, and use
|
|
# the SP's address as the collateral recipient
|
|
let collateralRecipient = await market.getSigner()
|
|
freeSlot = market.contract.freeSlot(
|
|
slotId,
|
|
rewardRecipient, # --reward-recipient
|
|
collateralRecipient) # SP's address
|
|
|
|
else:
|
|
# Otherwise, use the SP's address as both the reward and collateral
|
|
# recipient (the contract will use msg.sender for both)
|
|
freeSlot = market.contract.freeSlot(slotId)
|
|
|
|
discard await freeSlot.confirm(1)
|
|
|
|
|
|
method withdrawFunds(market: OnChainMarket,
|
|
requestId: RequestId) {.async.} =
|
|
convertEthersError:
|
|
discard await market.contract.withdrawFunds(requestId).confirm(1)
|
|
|
|
method isProofRequired*(market: OnChainMarket,
|
|
id: SlotId): Future[bool] {.async.} =
|
|
convertEthersError:
|
|
try:
|
|
let overrides = CallOverrides(blockTag: some BlockTag.pending)
|
|
return await market.contract.isProofRequired(id, overrides)
|
|
except ProviderError as e:
|
|
if e.msgDetail.contains("Slot is free"):
|
|
return false
|
|
raise e
|
|
|
|
method willProofBeRequired*(market: OnChainMarket,
|
|
id: SlotId): Future[bool] {.async.} =
|
|
convertEthersError:
|
|
try:
|
|
let overrides = CallOverrides(blockTag: some BlockTag.pending)
|
|
return await market.contract.willProofBeRequired(id, overrides)
|
|
except ProviderError as e:
|
|
if e.msgDetail.contains("Slot is free"):
|
|
return false
|
|
raise e
|
|
|
|
method getChallenge*(market: OnChainMarket, id: SlotId): Future[ProofChallenge] {.async.} =
|
|
convertEthersError:
|
|
let overrides = CallOverrides(blockTag: some BlockTag.pending)
|
|
return await market.contract.getChallenge(id, overrides)
|
|
|
|
method submitProof*(market: OnChainMarket,
|
|
id: SlotId,
|
|
proof: Groth16Proof) {.async.} =
|
|
convertEthersError:
|
|
discard await market.contract.submitProof(id, proof).confirm(1)
|
|
|
|
method markProofAsMissing*(market: OnChainMarket,
|
|
id: SlotId,
|
|
period: Period) {.async.} =
|
|
convertEthersError:
|
|
discard await market.contract.markProofAsMissing(id, period).confirm(1)
|
|
|
|
method canProofBeMarkedAsMissing*(
|
|
market: OnChainMarket,
|
|
id: SlotId,
|
|
period: Period
|
|
): Future[bool] {.async.} =
|
|
let provider = market.contract.provider
|
|
let contractWithoutSigner = market.contract.connect(provider)
|
|
let overrides = CallOverrides(blockTag: some BlockTag.pending)
|
|
try:
|
|
discard await contractWithoutSigner.markProofAsMissing(id, period, overrides)
|
|
return true
|
|
except EthersError as e:
|
|
trace "Proof cannot be marked as missing", msg = e.msg
|
|
return false
|
|
|
|
method reserveSlot*(
|
|
market: OnChainMarket,
|
|
requestId: RequestId,
|
|
slotIndex: UInt256) {.async.} =
|
|
|
|
convertEthersError:
|
|
discard await market.contract.reserveSlot(
|
|
requestId,
|
|
slotIndex,
|
|
# reserveSlot runs out of gas for unknown reason, but 100k gas covers it
|
|
TransactionOverrides(gasLimit: some 100000.u256)
|
|
).confirm(1)
|
|
|
|
method canReserveSlot*(
|
|
market: OnChainMarket,
|
|
requestId: RequestId,
|
|
slotIndex: UInt256): Future[bool] {.async.} =
|
|
|
|
convertEthersError:
|
|
return await market.contract.canReserveSlot(requestId, slotIndex)
|
|
|
|
method subscribeRequests*(market: OnChainMarket,
|
|
callback: OnRequest):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: StorageRequested) {.upraises:[].} =
|
|
callback(event.requestId,
|
|
event.ask,
|
|
event.expiry)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(StorageRequested, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeSlotFilled*(market: OnChainMarket,
|
|
callback: OnSlotFilled):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: SlotFilled) {.upraises:[].} =
|
|
callback(event.requestId, event.slotIndex)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(SlotFilled, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeSlotFilled*(market: OnChainMarket,
|
|
requestId: RequestId,
|
|
slotIndex: UInt256,
|
|
callback: OnSlotFilled):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onSlotFilled(eventRequestId: RequestId, eventSlotIndex: UInt256) =
|
|
if eventRequestId == requestId and eventSlotIndex == slotIndex:
|
|
callback(requestId, slotIndex)
|
|
|
|
convertEthersError:
|
|
return await market.subscribeSlotFilled(onSlotFilled)
|
|
|
|
method subscribeSlotFreed*(market: OnChainMarket,
|
|
callback: OnSlotFreed):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: SlotFreed) {.upraises:[].} =
|
|
callback(event.requestId, event.slotIndex)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(SlotFreed, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeSlotReservationsFull*(
|
|
market: OnChainMarket,
|
|
callback: OnSlotReservationsFull): Future[MarketSubscription] {.async.} =
|
|
|
|
proc onEvent(event: SlotReservationsFull) {.upraises:[].} =
|
|
callback(event.requestId, event.slotIndex)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(SlotReservationsFull, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeFulfillment(market: OnChainMarket,
|
|
callback: OnFulfillment):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: RequestFulfilled) {.upraises:[].} =
|
|
callback(event.requestId)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(RequestFulfilled, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeFulfillment(market: OnChainMarket,
|
|
requestId: RequestId,
|
|
callback: OnFulfillment):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: RequestFulfilled) {.upraises:[].} =
|
|
if event.requestId == requestId:
|
|
callback(event.requestId)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(RequestFulfilled, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeRequestCancelled*(market: OnChainMarket,
|
|
callback: OnRequestCancelled):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: RequestCancelled) {.upraises:[].} =
|
|
callback(event.requestId)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(RequestCancelled, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeRequestCancelled*(market: OnChainMarket,
|
|
requestId: RequestId,
|
|
callback: OnRequestCancelled):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: RequestCancelled) {.upraises:[].} =
|
|
if event.requestId == requestId:
|
|
callback(event.requestId)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(RequestCancelled, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeRequestFailed*(market: OnChainMarket,
|
|
callback: OnRequestFailed):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: RequestFailed) {.upraises:[]} =
|
|
callback(event.requestId)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(RequestFailed, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeRequestFailed*(market: OnChainMarket,
|
|
requestId: RequestId,
|
|
callback: OnRequestFailed):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: RequestFailed) {.upraises:[]} =
|
|
if event.requestId == requestId:
|
|
callback(event.requestId)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(RequestFailed, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method subscribeProofSubmission*(market: OnChainMarket,
|
|
callback: OnProofSubmitted):
|
|
Future[MarketSubscription] {.async.} =
|
|
proc onEvent(event: ProofSubmitted) {.upraises: [].} =
|
|
callback(event.id)
|
|
|
|
convertEthersError:
|
|
let subscription = await market.contract.subscribe(ProofSubmitted, onEvent)
|
|
return OnChainMarketSubscription(eventSubscription: subscription)
|
|
|
|
method unsubscribe*(subscription: OnChainMarketSubscription) {.async.} =
|
|
await subscription.eventSubscription.unsubscribe()
|
|
|
|
method queryPastEvents*[T: MarketplaceEvent](
|
|
market: OnChainMarket,
|
|
_: type T,
|
|
blocksAgo: int): Future[seq[T]] {.async.} =
|
|
|
|
convertEthersError:
|
|
let contract = market.contract
|
|
let provider = contract.provider
|
|
|
|
let head = await provider.getBlockNumber()
|
|
let fromBlock = BlockTag.init(head - blocksAgo.abs.u256)
|
|
|
|
return await contract.queryFilter(T,
|
|
fromBlock,
|
|
BlockTag.latest)
|
|
|
|
proc blockNumberAndTimestamp(provider: Provider, blockTag: BlockTag):
|
|
Future[(UInt256, UInt256)] {.async.} =
|
|
without latestBlock =? await provider.getBlock(blockTag), error:
|
|
raise error
|
|
|
|
without latestBlockNumber =? latestBlock.number:
|
|
raise newException(EthersError, "Could not get latest block number")
|
|
|
|
(latestBlockNumber, latestBlock.timestamp)
|
|
|
|
proc blockNumberForEpoch(epochTime: int64, provider: Provider): Future[UInt256]
|
|
{.async.} =
|
|
let avgBlockTime = 13.u256
|
|
let epochTimeUInt256 = epochTime.u256
|
|
let (latestBlockNumber, latestBlockTimestamp) =
|
|
await blockNumberAndTimestamp(provider, BlockTag.latest)
|
|
|
|
let timeDiff = latestBlockTimestamp - epochTimeUInt256
|
|
let blockDiff = timeDiff div avgBlockTime
|
|
let estimatedBlockNumber = latestBlockNumber - blockDiff
|
|
|
|
let (estimatedBlockTimestamp, _) = await blockNumberAndTimestamp(
|
|
provider, BlockTag.init(estimatedBlockNumber))
|
|
|
|
var low = 0.u256
|
|
var high = latestBlockNumber
|
|
if estimatedBlockTimestamp < epochTimeUInt256:
|
|
low = estimatedBlockNumber
|
|
else:
|
|
high = estimatedBlockNumber
|
|
|
|
while low <= high:
|
|
let mid = (low + high) div 2
|
|
let (midBlockTimestamp, midBlockNumber) =
|
|
await blockNumberAndTimestamp(provider, BlockTag.init(mid))
|
|
|
|
if midBlockTimestamp < epochTimeUInt256:
|
|
low = mid + 1
|
|
elif midBlockTimestamp > epochTimeUInt256:
|
|
high = mid - 1
|
|
else:
|
|
return midBlockNumber
|
|
|
|
let (_, lowTimestamp) = await blockNumberAndTimestamp(
|
|
provider, BlockTag.init(low))
|
|
let (_, highTimestamp) = await blockNumberAndTimestamp(
|
|
provider, BlockTag.init(high))
|
|
try:
|
|
if abs(lowTimestamp.stint(256) - epochTimeUInt256.stint(256)) <
|
|
abs(highTimestamp.stint(256) - epochTimeUInt256.stint(256)):
|
|
low
|
|
else:
|
|
high
|
|
except ValueError as e:
|
|
raise newException(EthersError, fmt"Conversion error: {e.msg}")
|
|
|
|
method queryPastEvents*[T: MarketplaceEvent](
|
|
market: OnChainMarket,
|
|
_: type T,
|
|
fromTime: int64): Future[seq[T]] {.async.} =
|
|
|
|
convertEthersError:
|
|
let contract = market.contract
|
|
let provider = contract.provider
|
|
|
|
let blockNumberForEpoch = await blockNumberForEpoch(fromTime, provider)
|
|
|
|
let fromBlock = BlockTag.init(blockNumberForEpoch)
|
|
|
|
return await contract.queryFilter(T,
|
|
fromBlock,
|
|
BlockTag.latest)
|