58 lines
2.1 KiB
Nim
58 lines
2.1 KiB
Nim
## Nim-Codex
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## Copyright (c) 2022 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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{.push raises: [].}
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import ../stores
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type
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ProverBackend* = ref object of RootObj
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maxDepth : int ## maximum depth of the slot Merkle tree (so max `2^maxDepth` cells in a slot)
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maxLog2NSlots : int ## maximum depth of the dataset-level Merkle tree (so max 2^8 slots per dataset)
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blockTreeDepth : int ## depth of the "network block tree" (= log2(64k / 2k))
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nFieldElemsPerCell : int ## number of field elements per cell
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nSamples: : int ## number of samples
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ProofBackend* = ref object of Backend
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VerifyBackend* = ref object of Backend
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method release*(self: ProverBackend) {.base.} =
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## release the backend
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##
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raiseAssert("not implemented!")
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method prove*(
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self: ProofBackend,
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entropy: seq[byte], ## public input
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dataSetRoot: seq[byte]; ## public input
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slotIndex: int, ## must be public, otherwise we could prove a different slot
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slotRoot: seq[byte] ## can be private input
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nCellsPerSlot: int, ## can be private input (Merkle tree is safe)
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nSlotsPerDataSet: int, ## can be private input (Merkle tree is safe)
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slotProof: seq[byte], ## path from the slot root the the dataset root (private input)
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cellData: seq[seq[byte]], ## data for the cells (private input)
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merklePaths[nSamples][maxDepth]) ## Merkle paths for the cells (private input)
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: Future[?!seq[byte]] {.async.} =
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## encode buffers using a backend
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##
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raiseAssert("not implemented!")
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method verify*(
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self: VerifyBackend,
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buffers,
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parity,
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recovered: var openArray[seq[byte]]
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): Result[void, cstring] {.base.} =
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## decode buffers using a backend
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##
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raiseAssert("not implemented!")
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