129 lines
3.8 KiB
Nim
129 lines
3.8 KiB
Nim
import
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eth/common
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type
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DBKeyKind* = enum
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genericHash
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blockNumberToHash
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blockHashToScore
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transactionHashToBlock
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canonicalHeadHash
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slotHashToSlot
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contractHash
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cliqueSnapshot
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transitionStatus
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safeHash
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finalizedHash
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skeletonProgress
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skeletonBlockHashToNumber
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skeletonBlock
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skeletonTransaction
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snapSyncAccount
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snapSyncStorageSlot
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snapSyncStateRoot
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DbKey* = object
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# The first byte stores the key type. The rest are key-specific values
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data*: array[33, byte]
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dataEndPos*: uint8 # the last populated position in the data
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proc genericHashKey*(h: Hash256): DbKey {.inline.} =
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result.data[0] = byte ord(genericHash)
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result.data[1 .. 32] = h.data
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result.dataEndPos = uint8 32
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proc blockHashToScoreKey*(h: Hash256): DbKey {.inline.} =
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result.data[0] = byte ord(blockHashToScore)
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result.data[1 .. 32] = h.data
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result.dataEndPos = uint8 32
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proc transactionHashToBlockKey*(h: Hash256): DbKey {.inline.} =
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result.data[0] = byte ord(transactionHashToBlock)
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result.data[1 .. 32] = h.data
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result.dataEndPos = uint8 32
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proc blockNumberToHashKey*(u: BlockNumber): DbKey {.inline.} =
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result.data[0] = byte ord(blockNumberToHash)
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doAssert sizeof(u) <= 32
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copyMem(addr result.data[1], unsafeAddr u, sizeof(u))
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result.dataEndPos = uint8 sizeof(u)
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proc canonicalHeadHashKey*(): DbKey {.inline.} =
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result.data[0] = byte ord(canonicalHeadHash)
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result.dataEndPos = 1
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proc slotHashToSlotKey*(h: openArray[byte]): DbKey {.inline.} =
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doAssert(h.len == 32)
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result.data[0] = byte ord(slotHashToSlot)
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result.data[1 .. 32] = h
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result.dataEndPos = uint8 32
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proc contractHashKey*(h: Hash256): DbKey {.inline.} =
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result.data[0] = byte ord(contractHash)
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result.data[1 .. 32] = h.data
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result.dataEndPos = uint8 32
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proc cliqueSnapshotKey*(h: Hash256): DbKey {.inline.} =
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result.data[0] = byte ord(cliqueSnapshot)
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result.data[1 .. 32] = h.data
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result.dataEndPos = uint8 32
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proc transitionStatusKey*(): DbKey =
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# ETH-2 Transition Status
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result.data[0] = byte ord(transitionStatus)
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result.dataEndPos = uint8 1
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proc safeHashKey*(): DbKey {.inline.} =
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result.data[0] = byte ord(safeHash)
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result.dataEndPos = uint8 1
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proc finalizedHashKey*(): DbKey {.inline.} =
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result.data[0] = byte ord(finalizedHash)
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result.dataEndPos = uint8 1
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proc skeletonProgressKey*(): DbKey {.inline.} =
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result.data[0] = byte ord(skeletonProgress)
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result.dataEndPos = 1
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proc skeletonBlockHashToNumberKey*(h: Hash256): DbKey {.inline.} =
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result.data[0] = byte ord(skeletonBlockHashToNumber)
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result.data[1 .. 32] = h.data
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result.dataEndPos = uint8 32
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proc skeletonBlockKey*(u: BlockNumber): DbKey {.inline.} =
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result.data[0] = byte ord(skeletonBlock)
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doAssert sizeof(u) <= 32
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copyMem(addr result.data[1], unsafeAddr u, sizeof(u))
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result.dataEndPos = uint8 sizeof(u)
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proc skeletonTransactionKey*(u: BlockNumber): DbKey {.inline.} =
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result.data[0] = byte ord(skeletonTransaction)
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doAssert sizeof(u) <= 32
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copyMem(addr result.data[1], unsafeAddr u, sizeof(u))
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result.dataEndPos = uint8 sizeof(u)
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proc snapSyncAccountKey*(h: openArray[byte]): DbKey {.inline.} =
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doAssert(h.len == 32)
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result.data[0] = byte ord(snapSyncAccount)
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result.data[1 .. 32] = h
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result.dataEndPos = uint8 sizeof(h)
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proc snapSyncStorageSlotKey*(h: openArray[byte]): DbKey {.inline.} =
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doAssert(h.len == 32)
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result.data[0] = byte ord(snapSyncStorageSlot)
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result.data[1 .. 32] = h
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result.dataEndPos = uint8 sizeof(h)
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proc snapSyncStateRootKey*(h: openArray[byte]): DbKey {.inline.} =
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doAssert(h.len == 32)
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result.data[0] = byte ord(snapSyncStateRoot)
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result.data[1 .. 32] = h
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result.dataEndPos = uint8 sizeof(h)
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template toOpenArray*(k: DbKey): openArray[byte] =
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k.data.toOpenArray(0, int(k.dataEndPos))
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proc `==`*(a, b: DbKey): bool {.inline.} =
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a.toOpenArray == b.toOpenArray
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