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833719a866
These create only confusion as if they are actual different types and it is within their usage already clear what they are about because of the name of the variable or the function. They are also nowhere aliased like this in any of the Portal specification.
72 lines
2.1 KiB
Nim
72 lines
2.1 KiB
Nim
# fluffy
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# Copyright (c) 2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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## File do be deleted when pruneDeprecatedAccumulatorRecords has been active
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## for long enough that most users have upgraded and as a result cleaned up
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## their database.
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{.push raises: [].}
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import
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nimcrypto/[sha2, hash],
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stint,
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chronicles,
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ssz_serialization,
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../../../common/common_types,
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../../../database/content_db,
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../validation/historical_hashes_accumulator
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type
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ContentType = enum
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blockHeader = 0x00
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blockBody = 0x01
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receipts = 0x02
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epochRecordDeprecated = 0x03
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BlockKey = object
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blockHash: Hash32
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EpochRecordKeyDeprecated = object
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epochHash: Digest
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ContentKey = object
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case contentType: ContentType
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of blockHeader:
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blockHeaderKey: BlockKey
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of blockBody:
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blockBodyKey: BlockKey
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of receipts:
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receiptsKey: BlockKey
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of epochRecordDeprecated:
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epochRecordKeyDeprecated: EpochRecordKeyDeprecated
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func encode(contentKey: ContentKey): ContentKeyByteList =
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ContentKeyByteList.init(SSZ.encode(contentKey))
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func toContentId(contentKey: ContentKeyByteList): ContentId =
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let idHash = sha2.sha256.digest(contentKey.asSeq())
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readUintBE[256](idHash.data)
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proc pruneDeprecatedAccumulatorRecords*(
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accumulator: FinishedHistoricalHashesAccumulator, contentDB: ContentDB
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) =
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info "Pruning deprecated accumulator records"
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for i, hash in accumulator.historicalEpochs:
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let
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root = Digest(data: hash)
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epochRecordKey = ContentKey(
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contentType: epochRecordDeprecated,
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epochRecordKeyDeprecated: EpochRecordKeyDeprecated(epochHash: root),
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)
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encodedKey = encode(epochRecordKey)
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contentId = toContentId(encodedKey)
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contentDB.del(contentId)
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info "Pruning deprecated accumulator records finished"
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