370 lines
11 KiB
Nim
370 lines
11 KiB
Nim
# nimbus-eth1
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# Copyright (c) 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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## Stackable API for `Kvt`
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## =======================
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import
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std/times,
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eth/common,
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results,
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../aristo/aristo_profile,
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./kvt_desc/desc_backend,
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./kvt_init/memory_db,
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"."/[kvt_desc, kvt_init, kvt_tx, kvt_utils]
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const
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AutoValidateApiHooks = defined(release).not
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## No validatinon needed for production suite.
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KvtPersistentBackendOk = AutoValidateApiHooks # and false
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## Set true for persistent backend profiling (which needs an extra
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## link library.)
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when KvtPersistentBackendOk:
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import ./kvt_init/rocks_db
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# Annotation helper(s)
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{.pragma: noRaise, gcsafe, raises: [].}
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type
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KvtDbProfListRef* = AristoDbProfListRef
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## Borrowed from `aristo_profile`
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KvtDbProfData* = AristoDbProfData
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## Borrowed from `aristo_profile`
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KvtApiCommitFn* = proc(tx: KvtTxRef): Result[void,KvtError] {.noRaise.}
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KvtApiDelFn* = proc(db: KvtDbRef,
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key: openArray[byte]): Result[void,KvtError] {.noRaise.}
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KvtApiFinishFn* = proc(db: KvtDbRef, flush = false) {.noRaise.}
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KvtApiForgetFn* = proc(db: KvtDbRef): Result[void,KvtError] {.noRaise.}
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KvtApiForkTxFn* = proc(db: KvtDbRef,
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backLevel: int): Result[KvtDbRef,KvtError] {.noRaise.}
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KvtApiGetFn* = proc(db: KvtDbRef,
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key: openArray[byte]): Result[Blob,KvtError] {.noRaise.}
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KvtApiHasKeyFn* = proc(db: KvtDbRef,
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key: openArray[byte]): Result[bool,KvtError] {.noRaise.}
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KvtApiIsCentreFn* = proc(db: KvtDbRef): bool {.noRaise.}
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KvtApiIsTopFn* = proc(tx: KvtTxRef): bool {.noRaise.}
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KvtApiLevelFn* = proc(db: KvtDbRef): int {.noRaise.}
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KvtApiNForkedFn* = proc(db: KvtDbRef): int {.noRaise.}
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KvtApiPutFn* = proc(db: KvtDbRef,
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key, data: openArray[byte]): Result[void,KvtError] {.noRaise.}
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KvtApiReCentreFn* = proc(db: KvtDbRef) {.noRaise.}
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KvtApiRollbackFn* = proc(tx: KvtTxRef): Result[void,KvtError] {.noRaise.}
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KvtApiPersistFn* = proc(db: KvtDbRef): Result[void,KvtError] {.noRaise.}
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KvtApiToKvtDbRefFn* = proc(tx: KvtTxRef): KvtDbRef {.noRaise.}
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KvtApiTxBeginFn* = proc(db: KvtDbRef): Result[KvtTxRef,KvtError] {.noRaise.}
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KvtApiTxTopFn* =
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proc(db: KvtDbRef): Result[KvtTxRef,KvtError] {.noRaise.}
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KvtApiRef* = ref KvtApiObj
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KvtApiObj* = object of RootObj
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## Useful set of `Kvt` fuctions that can be filtered, stacked etc. Note
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## that this API is modelled after a subset of the `Aristo` API.
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commit*: KvtApiCommitFn
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del*: KvtApiDelFn
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finish*: KvtApiFinishFn
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forget*: KvtApiForgetFn
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forkTx*: KvtApiForkTxFn
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get*: KvtApiGetFn
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hasKey*: KvtApiHasKeyFn
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isCentre*: KvtApiIsCentreFn
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isTop*: KvtApiIsTopFn
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level*: KvtApiLevelFn
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nForked*: KvtApiNForkedFn
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put*: KvtApiPutFn
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reCentre*: KvtApiReCentreFn
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rollback*: KvtApiRollbackFn
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persist*: KvtApiPersistFn
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toKvtDbRef*: KvtApiToKvtDbRefFn
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txBegin*: KvtApiTxBeginFn
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txTop*: KvtApiTxTopFn
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KvtApiProfNames* = enum
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## index/name mapping for profile slots
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KvtApiProfTotal = "total"
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KvtApiProfCommitFn = "commit"
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KvtApiProfDelFn = "del"
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KvtApiProfFinishFn = "finish"
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KvtApiProfForgetFn = "forget"
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KvtApiProfForkTxFn = "forkTx"
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KvtApiProfGetFn = "get"
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KvtApiProfHasKeyFn = "hasKey"
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KvtApiProfIsCentreFn = "isCentre"
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KvtApiProfIsTopFn = "isTop"
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KvtApiProfLevelFn = "level"
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KvtApiProfNForkedFn = "nForked"
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KvtApiProfPutFn = "put"
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KvtApiProfReCentreFn = "reCentre"
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KvtApiProfRollbackFn = "rollback"
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KvtApiProfPersistFn = "persist"
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KvtApiProfToKvtDbRefFn = "toKvtDbRef"
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KvtApiProfTxBeginFn = "txBegin"
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KvtApiProfTxTopFn = "txTop"
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KvtApiProfBeGetKvpFn = "be/getKvp"
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KvtApiProfBePutKvpFn = "be/putKvp"
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KvtApiProfBePutEndFn = "be/putEnd"
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KvtApiProfRef* = ref object of KvtApiRef
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## Profiling API extension of `KvtApiObj`
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data*: KvtDbProfListRef
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be*: BackendRef
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# ------------------------------------------------------------------------------
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# Private helpers
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# ------------------------------------------------------------------------------
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when AutoValidateApiHooks:
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proc validate(api: KvtApiObj|KvtApiRef) =
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doAssert not api.commit.isNil
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doAssert not api.del.isNil
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doAssert not api.finish.isNil
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doAssert not api.forget.isNil
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doAssert not api.forkTx.isNil
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doAssert not api.get.isNil
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doAssert not api.hasKey.isNil
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doAssert not api.isCentre.isNil
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doAssert not api.isTop.isNil
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doAssert not api.level.isNil
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doAssert not api.nForked.isNil
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doAssert not api.put.isNil
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doAssert not api.reCentre.isNil
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doAssert not api.rollback.isNil
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doAssert not api.persist.isNil
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doAssert not api.toKvtDbRef.isNil
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doAssert not api.txBegin.isNil
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doAssert not api.txTop.isNil
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proc validate(prf: KvtApiProfRef) =
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prf.KvtApiRef.validate
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doAssert not prf.data.isNil
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proc dup(be: BackendRef): BackendRef =
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case be.kind:
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of BackendMemory:
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return MemBackendRef(be).dup
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of BackendRocksDB:
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when KvtPersistentBackendOk:
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return RdbBackendRef(be).dup
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of BackendVoid:
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discard
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# ------------------------------------------------------------------------------
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# Public API constuctors
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# ------------------------------------------------------------------------------
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func init*(api: var KvtApiObj) =
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when AutoValidateApiHooks:
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api.reset
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api.commit = commit
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api.del = del
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api.finish = finish
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api.forget = forget
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api.forkTx = forkTx
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api.get = get
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api.hasKey = hasKey
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api.isCentre = isCentre
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api.isTop = isTop
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api.level = level
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api.nForked = nForked
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api.put = put
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api.reCentre = reCentre
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api.rollback = rollback
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api.persist = persist
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api.toKvtDbRef = toKvtDbRef
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api.txBegin = txBegin
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api.txTop = txTop
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when AutoValidateApiHooks:
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api.validate
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func init*(T: type KvtApiRef): T =
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result = new T
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result[].init()
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func dup*(api: KvtApiRef): KvtApiRef =
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result = KvtApiRef(
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commit: api.commit,
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del: api.del,
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finish: api.finish,
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forget: api.forget,
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forkTx: api.forkTx,
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get: api.get,
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hasKey: api.hasKey,
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isCentre: api.isCentre,
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isTop: api.isTop,
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level: api.level,
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nForked: api.nForked,
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put: api.put,
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reCentre: api.reCentre,
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rollback: api.rollback,
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persist: api.persist,
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toKvtDbRef: api.toKvtDbRef,
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txBegin: api.txBegin,
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txTop: api.txTop)
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when AutoValidateApiHooks:
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api.validate
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# ------------------------------------------------------------------------------
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# Public profile API constuctor
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# ------------------------------------------------------------------------------
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func init*(
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T: type KvtApiProfRef;
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api: KvtApiRef;
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be = BackendRef(nil);
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): T =
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## This constructor creates a profiling API descriptor to be derived from
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## an initialised `api` argument descriptor. For profiling the DB backend,
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## the field `.be` of the result descriptor must be assigned to the
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## `.backend` field of the `KvtDbRef` descriptor.
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##
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## The argument desctiptors `api` and `be` will not be modified and can be
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## used to restore the previous set up.
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##
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let
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data = KvtDbProfListRef(
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list: newSeq[KvtDbProfData](1 + high(KvtApiProfNames).ord))
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profApi = T(data: data)
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template profileRunner(n: KvtApiProfNames, code: untyped): untyped =
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let start = getTime()
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code
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data.update(n.ord, getTime() - start)
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profApi.commit =
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proc(a: KvtTxRef): auto =
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KvtApiProfCommitFn.profileRunner:
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result = api.commit(a)
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profApi.del =
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proc(a: KvtDbRef; b: openArray[byte]): auto =
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KvtApiProfDelFn.profileRunner:
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result = api.del(a, b)
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profApi.finish =
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proc(a: KvtDbRef; b = false) =
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KvtApiProfFinishFn.profileRunner:
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api.finish(a, b)
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profApi.forget =
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proc(a: KvtDbRef): auto =
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KvtApiProfForgetFn.profileRunner:
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result = api.forget(a)
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profApi.forkTx =
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proc(a: KvtDbRef, b: int): auto =
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KvtApiProfForkTxFn.profileRunner:
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result = api.forkTx(a, b)
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profApi.get =
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proc(a: KvtDbRef, b: openArray[byte]): auto =
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KvtApiProfGetFn.profileRunner:
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result = api.get(a, b)
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profApi.hasKey =
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proc(a: KvtDbRef, b: openArray[byte]): auto =
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KvtApiProfHasKeyFn.profileRunner:
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result = api.hasKey(a, b)
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profApi.isCentre =
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proc(a: KvtDbRef): auto =
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KvtApiProfIsCentreFn.profileRunner:
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result = api.isCentre(a)
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profApi.isTop =
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proc(a: KvtTxRef): auto =
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KvtApiProfIsTopFn.profileRunner:
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result = api.isTop(a)
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profApi.level =
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proc(a: KvtDbRef): auto =
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KvtApiProfLevelFn.profileRunner:
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result = api.level(a)
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profApi.nForked =
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proc(a: KvtDbRef): auto =
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KvtApiProfNForkedFn.profileRunner:
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result = api.nForked(a)
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profApi.put =
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proc(a: KvtDbRef; b, c: openArray[byte]): auto =
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KvtApiProfPutFn.profileRunner:
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result = api.put(a, b, c)
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profApi.reCentre =
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proc(a: KvtDbRef) =
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KvtApiProfReCentreFn.profileRunner:
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api.reCentre(a)
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profApi.rollback =
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proc(a: KvtTxRef): auto =
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KvtApiProfRollbackFn.profileRunner:
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result = api.rollback(a)
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profApi.persist =
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proc(a: KvtDbRef): auto =
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KvtApiProfPersistFn.profileRunner:
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result = api.persist(a)
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profApi.toKvtDbRef =
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proc(a: KvtTxRef): auto =
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KvtApiProfToKvtDbRefFn.profileRunner:
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result = api.toKvtDbRef(a)
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profApi.txBegin =
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proc(a: KvtDbRef): auto =
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KvtApiProfTxBeginFn.profileRunner:
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result = api.txBegin(a)
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profApi.txTop =
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proc(a: KvtDbRef): auto =
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KvtApiProfTxTopFn.profileRunner:
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result = api.txTop(a)
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let beDup = be.dup()
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if beDup.isNil:
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profApi.be = be
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else:
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beDup.getKvpFn =
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proc(a: openArray[byte]): auto =
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KvtApiProfBeGetKvpFn.profileRunner:
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result = be.getKvpFn(a)
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data.list[KvtApiProfBeGetKvpFn.ord].masked = true
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beDup.putKvpFn =
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proc(a: PutHdlRef; b: openArray[(Blob,Blob)]) =
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be.putKvpFn(a,b)
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data.list[KvtApiProfBePutKvpFn.ord].masked = true
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beDup.putEndFn =
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proc(a: PutHdlRef): auto =
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KvtApiProfBePutEndFn.profileRunner:
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result = be.putEndFn(a)
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data.list[KvtApiProfBePutEndFn.ord].masked = true
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profApi.be = beDup
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when AutoValidateApiHooks:
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profApi.validate
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profApi
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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