nimbus-eth1/nimbus/db/storage_types.nim

129 lines
3.8 KiB
Nim

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