nim-codex/codex/slots/sampler/sampler.nim

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Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
## Nim-Codex
## Copyright (c) 2023 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import std/sugar
import pkg/chronos
import pkg/questionable
import pkg/questionable/results
import pkg/stew/arrayops
import ../../logutils
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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import ../../market
import ../../blocktype as bt
import ../../merkletree
import ../../manifest
import ../../stores
import ../converters
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
import ../builder
import ../types
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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import ./utils
logScope:
topics = "codex datasampler"
type
DataSampler*[T, H] = ref object of RootObj
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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index: Natural
blockStore: BlockStore
builder: SlotsBuilder[T, H]
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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func getCell*[T, H](
self: DataSampler[T, H],
blkBytes: seq[byte],
blkCellIdx: Natural): seq[byte] =
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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let
cellSize = self.builder.cellSize.uint64
dataStart = cellSize * blkCellIdx.uint64
dataEnd = dataStart + cellSize
doAssert (dataEnd - dataStart) == cellSize, "Invalid cell size"
toInputData[H](blkBytes[dataStart ..< dataEnd])
proc getSample*[T, H](
self: DataSampler[T, H],
cellIdx: int,
slotTreeCid: Cid,
slotRoot: H): Future[?!Sample[H]] {.async.} =
let
cellsPerBlock = self.builder.numBlockCells
blkCellIdx = cellIdx.toCellInBlk(cellsPerBlock) # block cell index
blkSlotIdx = cellIdx.toBlkInSlot(cellsPerBlock) # slot tree index
origBlockIdx = self.builder.slotIndicies(self.index)[blkSlotIdx] # convert to original dataset block index
logScope:
cellIdx = cellIdx
blkSlotIdx = blkSlotIdx
blkCellIdx = blkCellIdx
origBlockIdx = origBlockIdx
trace "Retrieving sample from block tree"
let
(_, proof) = (await self.blockStore.getCidAndProof(
slotTreeCid, blkSlotIdx.Natural)).valueOr:
return failure("Failed to get slot tree CID and proof")
slotProof = proof.toVerifiableProof().valueOr:
return failure("Failed to get verifiable proof")
(bytes, blkTree) = (await self.builder.buildBlockTree(
origBlockIdx, blkSlotIdx)).valueOr:
return failure("Failed to build block tree")
cellData = self.getCell(bytes, blkCellIdx)
cellProof = blkTree.getProof(blkCellIdx).valueOr:
return failure("Failed to get proof from block tree")
success Sample[H](
cellData: cellData,
merklePaths: (cellProof.path & slotProof.path))
proc getProofInput*[T, H](
self: DataSampler[T, H],
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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entropy: ProofChallenge,
nSamples: Natural): Future[?!ProofInputs[H]] {.async.} =
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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## Generate proofs as input to the proving circuit.
##
let
entropy = H.fromBytes(
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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array[31, byte].initCopyFrom(entropy[0..30])) # truncate to 31 bytes, otherwise it _might_ be greater than mod
verifyTree = self.builder.verifyTree.toFailure.valueOr:
return failure("Failed to get verify tree")
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
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slotProof = verifyTree.getProof(self.index).valueOr:
return failure("Failed to get slot proof")
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
datasetRoot = verifyTree.root().valueOr:
return failure("Failed to get dataset root")
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
slotTreeCid = self.builder.manifest.slotRoots[self.index]
slotRoot = self.builder.slotRoots[self.index]
cellIdxs = entropy.cellIndices(
slotRoot,
self.builder.numSlotCells,
nSamples)
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
logScope:
cells = cellIdxs
trace "Collecting input for proof"
let samples = collect(newSeq):
for cellIdx in cellIdxs:
(await self.getSample(cellIdx, slotTreeCid, slotRoot)).valueOr:
return failure("Failed to get sample")
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
success ProofInputs[H](
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
entropy: entropy,
datasetRoot: datasetRoot,
slotProof: slotProof.path,
nSlotsPerDataSet: self.builder.numSlots,
nCellsPerSlot: self.builder.numSlotCells,
slotRoot: slotRoot,
Wire sampler (#676) * Setting up testfixture for proof datasampler * Sets up calculating number of cells in a slot * Sets up tests for bitwise modulo * Implements cell index collection * setting up slot blocks module * Implements getting treeCID from slot * implements getting slot blocks by index * Implements out-of-range check for slot index * cleanup * Sets up getting sample from block * Implements selecting a cell sample from a block * Implements building a minitree for block cells * Adds method to get dataset block index from slot block index * It's running * splits up indexing * almost there * Fixes test. Implementation is now functional * Refactoring to object-oriented * Cleanup * Lining up output type with updated reference code. * setting up * Updates expected samples * Updates proof checking test to match new format * move builder to own dir * move sampler to own dir * fix paths * various changes to add support for the sampler * wip sampler implementation * don't use upraises * wip sampler integration * misc * move tests around * Various fixes to select correct slot and block index * removing old tests * cleanup * misc fix tests that work with correct cell indices * remove unused file * fixup logging * add logscope * truncate entropy to 31 bytes, otherwise it might be > than mod * forwar getCidAndProof to local store * misc * Adds missing test for initial-proving state * reverting back to correct slot/block indexing * fix tests for revert * misc * misc --------- Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-17 19:24:34 +00:00
slotIndex: self.index,
samples: samples)
proc new*[T, H](
_: type DataSampler[T, H],
index: Natural,
blockStore: BlockStore,
builder: SlotsBuilder[T, H]): ?!DataSampler[T, H] =
if index > builder.slotRoots.high:
error "Slot index is out of range"
return failure("Slot index is out of range")
if not builder.verifiable:
return failure("Cannot instantiate DataSampler for non-verifiable builder")
success DataSampler[T, H](
index: index,
blockStore: blockStore,
builder: builder)