mirror of
https://github.com/status-im/nimbus-eth1.git
synced 2025-01-22 18:20:11 +00:00
5b6ccddaa0
* Aristo: Rename `Hash256` -> `Hash32` * CoreDb: Rename `Hash256` -> `Hash32` * Ledger: Rename `Hash256` -> `Hash32` * StorageTypes: Rename `Hash256` -> `Hash32` * Aristo: Rename `Blob` -> `seq[byte]`, `keccakHash` -> `keccak256` * Kvt: Rename `Blob` -> `seq[byte]` * CoreDb: Rename `Blob` -> `seq[byte]`, `keccakHash` -> `keccak256` * Ledger: Rename `Blob` -> `seq[byte]`, `keccakHash` -> `keccak256` * CoreDb: Rename `BlockHeader` -> `Header`, `BlockNonce` -> `Bytes8` * Misc: Rename `StorageKey` -> `Bytes32` * Tracer: `Hash256` -> `Hash32`, `BlockHeader` -> `Header`, etc. * Fix copyright header
77 lines
2.0 KiB
Nim
77 lines
2.0 KiB
Nim
# nimbus-eth1
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# Copyright (c) 2023-2024 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) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed
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# except according to those terms.
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## Rocks DB fetch data record
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## ==========================
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{.push raises: [].}
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import
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eth/common,
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rocksdb,
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results,
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"../.."/[kvt_constants, kvt_desc],
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./rdb_desc
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const
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extraTraceMessages = false
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## Enable additional logging noise
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when extraTraceMessages:
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import
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chronicles
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logScope:
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topics = "kvt-rocksdb"
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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proc get*(
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rdb: RdbInst;
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key: openArray[byte],
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): Result[seq[byte],(KvtError,string)] =
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var res: seq[byte]
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let onData: DataProc = proc(data: openArray[byte]) =
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res = @data
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let gotData = rdb.store[KvtGeneric].get(key, onData).valueOr:
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const errSym = RdbBeDriverGetError
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when extraTraceMessages:
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trace logTxt "get", error=errSym, info=error
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return err((errSym,error))
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if not gotData:
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res = EmptyBlob
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ok move(res)
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proc len*(
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rdb: RdbInst;
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key: openArray[byte],
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): Result[int,(KvtError,string)] =
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var res: int
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let onData: DataProc = proc(data: openArray[byte]) =
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res = data.len
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let gotData = rdb.store[KvtGeneric].get(key, onData).valueOr:
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const errSym = RdbBeDriverGetError
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when extraTraceMessages:
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trace logTxt "len", error=errSym, info=error
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return err((errSym,error))
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if not gotData:
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res = 0
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ok res
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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