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https://github.com/logos-storage/logos-storage-nim.git
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372f827982
Add or remove proof requirements when a request contract’s state changes. When a request sale has completed (for a slot), the host who purchased that slot now must provide regular proofs for the data they are contracted to hold. This is now enforced by adding the slotId to the HashSet of Ids for which to require proofs. When a request has been cancelled (not all slots were filled before the request expired), proofs no longer need to be provided and the slotId is removed from teh HashSet. Add `isCancelled` and `isSlotCancelled` checks to query the contract state without relying the on the state context variable in the contract. Because contract state can only be updated in a transaction, and the client withdrawing funds is responsible for changing the contract state to “Cancelled”, the `isCancelled` and `isSlotCancelled` functions were introduced to check the state regardless of whether or not the client had already withdrawn their funds.
53 lines
1.6 KiB
Nim
53 lines
1.6 KiB
Nim
import pkg/chronos
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import pkg/stint
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import pkg/upraises
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import ./periods
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import ../../contracts/requests
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export chronos
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export stint
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export periods
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export requests
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type
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Proofs* = ref object of RootObj
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Subscription* = ref object of RootObj
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OnProofSubmitted* = proc(id: SlotId, proof: seq[byte]) {.gcsafe, upraises:[].}
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method periodicity*(proofs: Proofs):
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Future[Periodicity] {.base, async.} =
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raiseAssert("not implemented")
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method isSlotCancelled*(proofs: Proofs,
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id: ContractId): Future[bool] {.base, async.} =
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raiseAssert("not implemented")
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method isCancelled*(proofs: Proofs,
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id: array[32, byte]): Future[bool] {.base, async.} =
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raiseAssert("not implemented")
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method isProofRequired*(proofs: Proofs,
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id: SlotId): Future[bool] {.base, async.} =
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raiseAssert("not implemented")
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method willProofBeRequired*(proofs: Proofs,
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id: SlotId): Future[bool] {.base, async.} =
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raiseAssert("not implemented")
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method getProofEnd*(proofs: Proofs,
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id: SlotId): Future[UInt256] {.base, async.} =
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raiseAssert("not implemented")
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method submitProof*(proofs: Proofs,
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id: SlotId,
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proof: seq[byte]) {.base, async.} =
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raiseAssert("not implemented")
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method subscribeProofSubmission*(proofs: Proofs,
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callback: OnProofSubmitted):
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Future[Subscription] {.base, async.} =
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raiseAssert("not implemented")
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method unsubscribe*(subscription: Subscription) {.base, async, upraises:[].} =
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raiseAssert("not implemented")
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