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# nimbus-eth1
# Copyright (c) 2024 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
# http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
# http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed
# except according to those terms.
## Stackable API for `Aristo`
## ==========================
import
std/times,
eth/common,
results,
./aristo_desc/desc_backend,
./aristo_init/memory_db,
"."/[aristo_delete, aristo_desc, aristo_fetch, aristo_init, aristo_merge,
aristo_part, aristo_path, aristo_profile, aristo_tx]
export
AristoDbProfListRef
const
AutoValidateApiHooks = defined(release).not
## No validatinon needed for production suite.
AristoPersistentBackendOk = AutoValidateApiHooks # and false
## Set true for persistent backend profiling (which needs an extra
## link library.)
when AristoPersistentBackendOk:
import ./aristo_init/rocks_db
# Annotation helper(s)
{.pragma: noRaise, gcsafe, raises: [].}
type
AristoApiCommitFn* =
proc(tx: AristoTxRef;
): Result[void,AristoError]
{.noRaise.}
## Given a *top level* handle, this function accepts all database
## operations performed through this handle and merges it to the
## previous layer. The previous transaction is returned if there
## was any.
AristoApiDeleteAccountRecordFn* =
proc(db: AristoDbRef;
accPath: Hash32;
): Result[void,AristoError]
{.noRaise.}
## Delete the account leaf entry addressed by the argument `path`. If
## this leaf entry referres to a storage tree, this one will be deleted
## as well.
AristoApiDeleteGenericDataFn* =
proc(db: AristoDbRef;
root: VertexID;
path: openArray[byte];
): Result[bool,AristoError]
{.noRaise.}
## Delete the leaf data entry addressed by the argument `path`. The MPT
## sub-tree the leaf data entry is subsumed under is passed as argument
## `root` which must be greater than `VertexID(1)` and smaller than
## `LEAST_FREE_VID`.
##
## The return value is `true` if the argument `path` deleted was the last
## one and the tree does not exist anymore.
AristoApiDeleteGenericTreeFn* =
proc(db: AristoDbRef;
root: VertexID;
): Result[void,AristoError]
{.noRaise.}
## Variant of `deleteGenericData()` for purging the whole MPT sub-tree.
AristoApiDeleteStorageDataFn* =
proc(db: AristoDbRef;
accPath: Hash32;
stoPath: Hash32;
): Result[bool,AristoError]
{.noRaise.}
## For a given account argument `accPath`, this function deletes the
## argument `stoPath` from the associated storage tree (if any, at all.)
## If the if the argument `stoPath` deleted was the last one on the
## storage tree, account leaf referred to by `accPath` will be updated
## so that it will not refer to a storage tree anymore. In the latter
## case only the function will return `true`.
AristoApiDeleteStorageTreeFn* =
proc(db: AristoDbRef;
accPath: Hash32;
): Result[void,AristoError]
{.noRaise.}
## Variant of `deleteStorageData()` for purging the whole storage tree
## associated to the account argument `accPath`.
AristoApiFetchLastSavedStateFn* =
proc(db: AristoDbRef
): Result[SavedState,AristoError]
{.noRaise.}
## The function returns the state of the last saved state. This is a
## Merkle hash tag for vertex with ID 1 and a bespoke `uint64` identifier
## (may be interpreted as block number.)
AristoApiFetchAccountRecordFn* =
proc(db: AristoDbRef;
accPath: Hash32;
): Result[AristoAccount,AristoError]
{.noRaise.}
## Fetch an account record from the database indexed by `accPath`.
AristoApiFetchAccountStateFn* =
proc(db: AristoDbRef;
updateOk: bool;
): Result[Hash32,AristoError]
{.noRaise.}
## Fetch the Merkle hash of the account root. Force update if the
## argument `updateOK` is set `true`.
AristoApiFetchGenericDataFn* =
proc(db: AristoDbRef;
root: VertexID;
path: openArray[byte];
): Result[seq[byte],AristoError]
{.noRaise.}
## For a generic sub-tree starting at `root`, fetch the data record
## indexed by `path`.
AristoApiFetchGenericStateFn* =
proc(db: AristoDbRef;
root: VertexID;
updateOk: bool;
): Result[Hash32,AristoError]
{.noRaise.}
## Fetch the Merkle hash of the argument `root`. Force update if the
## argument `updateOK` is set `true`.
AristoApiFetchStorageDataFn* =
proc(db: AristoDbRef;
accPath: Hash32;
stoPath: Hash32;
): Result[Uint256,AristoError]
{.noRaise.}
## For a storage tree related to account `accPath`, fetch the data
## record from the database indexed by `stoPath`.
AristoApiFetchStorageStateFn* =
proc(db: AristoDbRef;
accPath: Hash32;
updateOk: bool;
): Result[Hash32,AristoError]
{.noRaise.}
## Fetch the Merkle hash of the storage root related to `accPath`. Force
## update if the argument `updateOK` is set `true`.
AristoApiFindTxFn* =
proc(db: AristoDbRef;
rvid: RootedVertexID;
key: HashKey;
): Result[int,AristoError]
{.noRaise.}
## Find the transaction where the vertex with ID `vid` exists and has
## the Merkle hash key `key`. If there is no transaction available,
## search in the filter and then in the backend.
##
## If the above procedure succeeds, an integer indicating the transaction
## level is returned:
##
## * `0` -- top level, current layer
## * `1`,`2`,`..` -- some transaction level further down the stack
## * `-1` -- the filter between transaction stack and database backend
## * `-2` -- the databse backend
##
## A successful return code might be used for the `forkTx()` call for
## creating a forked descriptor that provides the pair `(vid,key)`.
##
AristoApiFinishFn* =
proc(db: AristoDbRef;
eradicate = false;
) {.noRaise.}
## Backend destructor. The argument `eradicate` indicates that a full
## database deletion is requested. If set `false` the outcome might
## differ depending on the type of backend (e.g. the `BackendMemory`
## backend will always eradicate on close.)
##
## In case of distributed descriptors accessing the same backend, all
## distributed descriptors will be destroyed.
##
## This distructor may be used on already *destructed* descriptors.
AristoApiForgetFn* =
proc(db: AristoDbRef;
): Result[void,AristoError]
{.noRaise.}
## Destruct the non centre argument `db` descriptor (see comments on
## `reCentre()` for details.)
##
## A non centre descriptor should always be destructed after use (see
## also# comments on `fork()`.)
AristoApiForkTxFn* =
proc(db: AristoDbRef;
backLevel: int;
): Result[AristoDbRef,AristoError]
{.noRaise.}
## Fork a new descriptor obtained from parts of the argument database
## as described by arguments `db` and `backLevel`.
##
## If the argument `backLevel` is non-negative, the forked descriptor
## will provide the database view where the first `backLevel` transaction
## layers are stripped and the remaing layers are squashed into a single
## transaction.
##
## If `backLevel` is `-1`, a database descriptor with empty transaction
## layers will be provided where the `balancer` between database and
## transaction layers are kept in place.
##
## If `backLevel` is `-2`, a database descriptor with empty transaction
## layers will be provided without a `balancer`.
##
## The returned database descriptor will always have transaction level one.
## If there were no transactions that could be squashed, an empty
## transaction is added.
##
## Use `aristo_desc.forget()` to clean up this descriptor.
AristoApiHashifyFn* =
proc(db: AristoDbRef;
): Result[void,(VertexID,AristoError)]
{.noRaise.}
## Add keys to the `Patricia Trie` so that it becomes a `Merkle
## Patricia Tree`.
AristoApiHasPathAccountFn* =
proc(db: AristoDbRef;
accPath: Hash32;
): Result[bool,AristoError]
{.noRaise.}
## For an account record indexed by `accPath` query whether this record
## exists on the database.
AristoApiHasPathGenericFn* =
proc(db: AristoDbRef;
root: VertexID;
path: openArray[byte];
): Result[bool,AristoError]
{.noRaise.}
## For a generic sub-tree starting at `root` and indexed by `path`,
## mquery whether this record exists on the database.
AristoApiHasPathStorageFn* =
proc(db: AristoDbRef;
accPath: Hash32;
stoPath: Hash32;
): Result[bool,AristoError]
{.noRaise.}
## For a storage tree related to account `accPath`, query whether the
## data record indexed by `stoPath` exists on the database.
AristoApiHasStorageDataFn* =
proc(db: AristoDbRef;
accPath: Hash32;
): Result[bool,AristoError]
{.noRaise.}
## For a storage tree related to account `accPath`, query whether there
## is a non-empty data storage area at all.
AristoApiIsTopFn* =
proc(tx: AristoTxRef;
): bool
{.noRaise.}
## Getter, returns `true` if the argument `tx` referes to the current
## top level transaction.
AristoApiLevelFn* =
proc(db: AristoDbRef;
): int
{.noRaise.}
## Getter, non-negative nesting level (i.e. number of pending
## transactions)
AristoApiNForkedFn* =
proc(db: AristoDbRef;
): int
{.noRaise.}
## Returns the number of non centre descriptors (see comments on
## `reCentre()` for details.) This function is a fast version of
## `db.forked.toSeq.len`.
AristoApiMergeAccountRecordFn* =
proc(db: AristoDbRef;
accPath: Hash32;
accRec: AristoAccount;
): Result[bool,AristoError]
{.noRaise.}
## Merge the key-value-pair argument `(accKey,accRec)` as an account
## ledger value, i.e. the the sub-tree starting at `VertexID(1)`.
##
## On success, the function returns `true` if the `accPath` argument was
## not on the database already or the value differend from `accRec`, and
## `false` otherwise.
AristoApiMergeGenericDataFn* =
proc(db: AristoDbRef;
root: VertexID;
path: openArray[byte];
data: openArray[byte];
): Result[bool,AristoError]
{.noRaise.}
## Variant of `mergeXXX()` for generic sub-trees, i.e. for arguments
## `root` greater than `VertexID(1)` and smaller than `LEAST_FREE_VID`.
AristoApiMergeStorageDataFn* =
proc(db: AristoDbRef;
accPath: Hash32;
stoPath: Hash32;
stoData: UInt256;
): Result[void,AristoError]
{.noRaise.}
## Store the `stoData` data argument on the storage area addressed by
## `(accPath,stoPath)` where `accPath` is the account key (into the MPT)
## and `stoPath` is the slot path of the corresponding storage area.
AristoApiPartAccountTwig* =
proc(db: AristoDbRef;
accPath: Hash32;
): Result[(seq[seq[byte]],bool), AristoError]
{.noRaise.}
## This function returns a chain of rlp-encoded nodes along the argument
## path `(root,path)` followed by a `true` value if the `path` argument
## exists in the database. If the argument `path` is not on the database,
## a partial path will be returned follwed by a `false` value.
##
## Errors will only be returned for invalid paths.
AristoApiPartGenericTwig* =
proc(db: AristoDbRef;
root: VertexID;
path: openArray[byte];
): Result[(seq[seq[byte]],bool), AristoError]
{.noRaise.}
## Variant of `partAccountTwig()`.
##
## Note: This function provides a functionality comparable to the
## `getBranch()` function from `hexary.nim`
AristoApiPartStorageTwig* =
proc(db: AristoDbRef;
accPath: Hash32;
stoPath: Hash32;
): Result[(seq[seq[byte]],bool), AristoError]
{.noRaise.}
## Variant of `partAccountTwig()`. Note that the function always returns
## an error unless the `accPath` is valid.
AristoApiPartUntwigGeneric* =
proc(chain: openArray[seq[byte]];
root: Hash32;
path: openArray[byte];
): Result[Opt[seq[byte]],AristoError]
{.noRaise.}
## Follow and verify the argument `chain` up unlil the last entry which
## must be a leaf node. Extract the payload and pass it on as return
## code. If a `Opt.none()` result is returned then the `path` argument
## does provably not exist relative to `chain`.
AristoApiPartUntwigGenericOk* =
proc(chain: openArray[seq[byte]];
root: Hash32;
path: openArray[byte];
payload: Opt[seq[byte]];
): Result[void,AristoError]
{.noRaise.}
## Variant of `partUntwigGeneric()`. The function verifies the argument
## `chain` of rlp-encoded nodes against the `path` and `payload`
## arguments. If `payload` is passed `Opt.none()`, then the function is
## subject to proving that the `path` does not exist relaive to `chain`.
##
## Note: This function provides a functionality comparable to the
## `isValidBranch()` function from `hexary.nim`.
AristoApiPartUntwigPath* =
proc(chain: openArray[seq[byte]];
root: Hash32;
path: Hash32;
): Result[Opt[seq[byte]],AristoError]
{.noRaise.}
## Variant of `partUntwigGeneric()`.
AristoApiPartUntwigPathOk* =
proc(chain: openArray[seq[byte]];
root: Hash32;
path: Hash32;
payload: Opt[seq[byte]];
): Result[void,AristoError]
{.noRaise.}
## Variant of `partUntwigGenericOk()`.
AristoApiPathAsBlobFn* =
proc(tag: PathID;
): seq[byte]
{.noRaise.}
## Converts the `tag` argument to a sequence of an even number of
## nibbles represented by a `seq[byte]`. If the argument `tag` represents
## an odd number of nibbles, a zero nibble is appendend.
##
## This function is useful only if there is a tacit agreement that all
## paths used to index database leaf values can be represented as
## `seq[byte]`, i.e. `PathID` type paths with an even number of nibbles.
AristoApiPersistFn* =
proc(db: AristoDbRef;
nxtSid = 0u64;
): Result[void,AristoError]
{.noRaise.}
## Persistently store data onto backend database. If the system is
## running without a database backend, the function returns immediately
## with an error. The same happens if there is a pending transaction.
##
## The function merges all staged data from the top layer cache onto the
## backend stage area. After that, the top layer cache is cleared.
##
## Finally, the staged data are merged into the physical backend
## database and the staged data area is cleared.
##
## The argument `nxtSid` will be the ID for the next saved state record.
AristoApiReCentreFn* =
proc(db: AristoDbRef;
): Result[void,AristoError]
{.noRaise.}
## Re-focus the `db` argument descriptor so that it becomes the centre.
## Nothing is done if the `db` descriptor is the centre, already.
##
## With several descriptors accessing the same backend database there is
## a single one that has write permission for the backend (regardless
## whether there is a backend, at all.) The descriptor entity with write
## permission is called *the centre*.
##
## After invoking `reCentre()`, the argument database `db` can only be
## destructed by `finish()` which also destructs all other descriptors
## accessing the same backend database. Descriptors where `isCentre()`
## returns `false` must be single destructed with `forget()`.
AristoApiRollbackFn* =
proc(tx: AristoTxRef;
): Result[void,AristoError]
{.noRaise.}
## Given a *top level* handle, this function discards all database
## operations performed for this transactio. The previous transaction
## is returned if there was any.
AristoApiTxBeginFn* =
proc(db: AristoDbRef;
): Result[AristoTxRef,AristoError]
{.noRaise.}
## Starts a new transaction.
##
## Example:
## ::
## proc doSomething(db: AristoDbRef) =
## let tx = db.begin
## defer: tx.rollback()
## ... continue using db ...
## tx.commit()
AristoApiTxLevelFn* =
proc(tx: AristoTxRef;
): int
{.noRaise.}
## Getter, positive nesting level of transaction argument `tx`
AristoApiTxTopFn* =
proc(db: AristoDbRef;
): Result[AristoTxRef,AristoError]
{.noRaise.}
## Getter, returns top level transaction if there is any.
AristoApiRef* = ref AristoApiObj
AristoApiObj* = object of RootObj
## Useful set of `Aristo` fuctions that can be filtered, stacked etc.
commit*: AristoApiCommitFn
deleteAccountRecord*: AristoApiDeleteAccountRecordFn
deleteGenericData*: AristoApiDeleteGenericDataFn
deleteGenericTree*: AristoApiDeleteGenericTreeFn
deleteStorageData*: AristoApiDeleteStorageDataFn
deleteStorageTree*: AristoApiDeleteStorageTreeFn
fetchLastSavedState*: AristoApiFetchLastSavedStateFn
fetchAccountRecord*: AristoApiFetchAccountRecordFn
fetchAccountState*: AristoApiFetchAccountStateFn
fetchGenericData*: AristoApiFetchGenericDataFn
fetchGenericState*: AristoApiFetchGenericStateFn
fetchStorageData*: AristoApiFetchStorageDataFn
fetchStorageState*: AristoApiFetchStorageStateFn
findTx*: AristoApiFindTxFn
finish*: AristoApiFinishFn
forget*: AristoApiForgetFn
forkTx*: AristoApiForkTxFn
hasPathAccount*: AristoApiHasPathAccountFn
hasPathGeneric*: AristoApiHasPathGenericFn
hasPathStorage*: AristoApiHasPathStorageFn
hasStorageData*: AristoApiHasStorageDataFn
isTop*: AristoApiIsTopFn
level*: AristoApiLevelFn
nForked*: AristoApiNForkedFn
mergeAccountRecord*: AristoApiMergeAccountRecordFn
mergeGenericData*: AristoApiMergeGenericDataFn
mergeStorageData*: AristoApiMergeStorageDataFn
partAccountTwig*: AristoApiPartAccountTwig
partGenericTwig*: AristoApiPartGenericTwig
partStorageTwig*: AristoApiPartStorageTwig
partUntwigGeneric*: AristoApiPartUntwigGeneric
partUntwigGenericOk*: AristoApiPartUntwigGenericOk
partUntwigPath*: AristoApiPartUntwigPath
partUntwigPathOk*: AristoApiPartUntwigPathOk
pathAsBlob*: AristoApiPathAsBlobFn
persist*: AristoApiPersistFn
reCentre*: AristoApiReCentreFn
rollback*: AristoApiRollbackFn
txBegin*: AristoApiTxBeginFn
txLevel*: AristoApiTxLevelFn
txTop*: AristoApiTxTopFn
AristoApiProfNames* = enum
## Index/name mapping for profile slots
AristoApiProfTotal = "total"
AristoApiProfCommitFn = "commit"
AristoApiProfDeleteAccountRecordFn = "deleteAccountRecord"
AristoApiProfDeleteGenericDataFn = "deleteGnericData"
AristoApiProfDeleteGenericTreeFn = "deleteGnericTree"
AristoApiProfDeleteStorageDataFn = "deleteStorageData"
AristoApiProfDeleteStorageTreeFn = "deleteStorageTree"
AristoApiProfFetchLastSavedStateFn = "fetchLastSavedState"
AristoApiProfFetchAccountRecordFn = "fetchAccountRecord"
AristoApiProfFetchAccountStateFn = "fetchAccountState"
AristoApiProfFetchGenericDataFn = "fetchGenericData"
AristoApiProfFetchGenericStateFn = "fetchGenericState"
AristoApiProfFetchStorageDataFn = "fetchStorageData"
AristoApiProfFetchStorageStateFn = "fetchStorageState"
AristoApiProfFindTxFn = "findTx"
AristoApiProfFinishFn = "finish"
AristoApiProfForgetFn = "forget"
AristoApiProfForkTxFn = "forkTx"
AristoApiProfHasPathAccountFn = "hasPathAccount"
AristoApiProfHasPathGenericFn = "hasPathGeneric"
AristoApiProfHasPathStorageFn = "hasPathStorage"
AristoApiProfHasStorageDataFn = "hasStorageData"
AristoApiProfIsTopFn = "isTop"
AristoApiProfLevelFn = "level"
AristoApiProfNForkedFn = "nForked"
AristoApiProfMergeAccountRecordFn = "mergeAccountRecord"
AristoApiProfMergeGenericDataFn = "mergeGenericData"
AristoApiProfMergeStorageDataFn = "mergeStorageData"
AristoApiProfPartAccountTwigFn = "partAccountTwig"
AristoApiProfPartGenericTwigFn = "partGenericTwig"
AristoApiProfPartStorageTwigFn = "partStorageTwig"
AristoApiProfPartUntwigGenericFn = "partUntwigGeneric"
AristoApiProfPartUntwigGenericOkFn = "partUntwigGenericOk"
AristoApiProfPartUntwigPathFn = "partUntwigPath"
AristoApiProfPartUntwigPathOkFn = "partUntwigPathOk"
AristoApiProfPathAsBlobFn = "pathAsBlob"
AristoApiProfPersistFn = "persist"
AristoApiProfReCentreFn = "reCentre"
AristoApiProfRollbackFn = "rollback"
AristoApiProfTxBeginFn = "txBegin"
AristoApiProfTxLevelFn = "txLevel"
AristoApiProfTxTopFn = "txTop"
AristoApiProfBeGetVtxFn = "be/getVtx"
AristoApiProfBeGetKeyFn = "be/getKey"
AristoApiProfBeGetTuvFn = "be/getTuv"
AristoApiProfBeGetLstFn = "be/getLst"
AristoApiProfBePutVtxFn = "be/putVtx"
AristoApiProfBePutKeyFn = "be/putKey"
AristoApiProfBePutTuvFn = "be/putTuv"
AristoApiProfBePutLstFn = "be/putLst"
AristoApiProfBePutEndFn = "be/putEnd"
AristoApiProfRef* = ref object of AristoApiRef
## Profiling API extension of `AristoApiObj`
data*: AristoDbProfListRef
be*: BackendRef
# ------------------------------------------------------------------------------
# Private helpers
# ------------------------------------------------------------------------------
when AutoValidateApiHooks:
proc validate(api: AristoApiObj|AristoApiRef) =
doAssert not api.commit.isNil
doAssert not api.deleteAccountRecord.isNil
doAssert not api.deleteGenericData.isNil
doAssert not api.deleteGenericTree.isNil
doAssert not api.deleteStorageData.isNil
doAssert not api.deleteStorageTree.isNil
doAssert not api.fetchLastSavedState.isNil
doAssert not api.fetchAccountRecord.isNil
doAssert not api.fetchAccountState.isNil
doAssert not api.fetchGenericData.isNil
doAssert not api.fetchGenericState.isNil
doAssert not api.fetchStorageData.isNil
doAssert not api.fetchStorageState.isNil
doAssert not api.findTx.isNil
doAssert not api.finish.isNil
doAssert not api.forget.isNil
doAssert not api.forkTx.isNil
doAssert not api.hasPathAccount.isNil
doAssert not api.hasPathGeneric.isNil
doAssert not api.hasPathStorage.isNil
doAssert not api.hasStorageData.isNil
doAssert not api.isTop.isNil
doAssert not api.level.isNil
doAssert not api.nForked.isNil
doAssert not api.mergeAccountRecord.isNil
doAssert not api.mergeGenericData.isNil
doAssert not api.mergeStorageData.isNil
doAssert not api.partAccountTwig.isNil
doAssert not api.partGenericTwig.isNil
doAssert not api.partStorageTwig.isNil
doAssert not api.partUntwigGeneric.isNil
doAssert not api.partUntwigGenericOk.isNil
doAssert not api.partUntwigPath.isNil
doAssert not api.partUntwigPathOk.isNil
doAssert not api.pathAsBlob.isNil
doAssert not api.persist.isNil
doAssert not api.reCentre.isNil
doAssert not api.rollback.isNil
doAssert not api.txBegin.isNil
doAssert not api.txLevel.isNil
doAssert not api.txTop.isNil
proc validate(prf: AristoApiProfRef) =
prf.AristoApiRef.validate
doAssert not prf.data.isNil
proc dup(be: BackendRef): BackendRef =
case be.kind:
of BackendMemory:
return MemBackendRef(be).dup
of BackendRocksDB, BackendRdbHosting:
when AristoPersistentBackendOk:
return RdbBackendRef(be).dup
of BackendVoid:
discard
# ------------------------------------------------------------------------------
# Public API constuctors
# ------------------------------------------------------------------------------
func init*(api: var AristoApiObj) =
## Initialise an `api` argument descriptor
##
when AutoValidateApiHooks:
api.reset
api.commit = commit
api.deleteAccountRecord = deleteAccountRecord
api.deleteGenericData = deleteGenericData
api.deleteGenericTree = deleteGenericTree
api.deleteStorageData = deleteStorageData
api.deleteStorageTree = deleteStorageTree
api.fetchLastSavedState = fetchLastSavedState
api.fetchAccountRecord = fetchAccountRecord
api.fetchAccountState = fetchAccountState
api.fetchGenericData = fetchGenericData
api.fetchGenericState = fetchGenericState
api.fetchStorageData = fetchStorageData
api.fetchStorageState = fetchStorageState
api.findTx = findTx
api.finish = finish
api.forget = forget
api.forkTx = forkTx
api.hasPathAccount = hasPathAccount
api.hasPathGeneric = hasPathGeneric
api.hasPathStorage = hasPathStorage
api.hasStorageData = hasStorageData
api.isTop = isTop
api.level = level
api.nForked = nForked
api.mergeAccountRecord = mergeAccountRecord
api.mergeGenericData = mergeGenericData
api.mergeStorageData = mergeStorageData
api.partAccountTwig = partAccountTwig
api.partGenericTwig = partGenericTwig
api.partStorageTwig = partStorageTwig
api.partUntwigGeneric = partUntwigGeneric
api.partUntwigGenericOk = partUntwigGenericOk
api.partUntwigPath = partUntwigPath
api.partUntwigPathOk = partUntwigPathOk
api.pathAsBlob = pathAsBlob
api.persist = persist
api.reCentre = reCentre
api.rollback = rollback
api.txBegin = txBegin
api.txLevel = txLevel
api.txTop = txTop
when AutoValidateApiHooks:
api.validate
func init*(T: type AristoApiRef): T =
new result
result[].init()
func dup*(api: AristoApiRef): AristoApiRef =
result = AristoApiRef(
commit: api.commit,
deleteAccountRecord: api.deleteAccountRecord,
deleteGenericData: api.deleteGenericData,
deleteGenericTree: api.deleteGenericTree,
deleteStorageData: api.deleteStorageData,
deleteStorageTree: api.deleteStorageTree,
fetchLastSavedState: api.fetchLastSavedState,
fetchAccountRecord: api.fetchAccountRecord,
fetchAccountState: api.fetchAccountState,
fetchGenericData: api.fetchGenericData,
fetchGenericState: api.fetchGenericState,
fetchStorageData: api.fetchStorageData,
fetchStorageState: api.fetchStorageState,
findTx: api.findTx,
finish: api.finish,
forget: api.forget,
forkTx: api.forkTx,
hasPathAccount: api.hasPathAccount,
hasPathGeneric: api.hasPathGeneric,
hasPathStorage: api.hasPathStorage,
hasStorageData: api.hasStorageData,
isTop: api.isTop,
level: api.level,
nForked: api.nForked,
mergeAccountRecord: api.mergeAccountRecord,
mergeGenericData: api.mergeGenericData,
mergeStorageData: api.mergeStorageData,
partAccountTwig: api.partAccountTwig,
partGenericTwig: api.partGenericTwig,
partStorageTwig: api.partStorageTwig,
partUntwigGeneric: api.partUntwigGeneric,
partUntwigGenericOk: api.partUntwigGenericOk,
partUntwigPath: api.partUntwigPath,
partUntwigPathOk: api.partUntwigPathOk,
pathAsBlob: api.pathAsBlob,
persist: api.persist,
reCentre: api.reCentre,
rollback: api.rollback,
txBegin: api.txBegin,
txLevel: api.txLevel,
txTop: api.txTop)
when AutoValidateApiHooks:
result.validate
# ------------------------------------------------------------------------------
# Public profile API constuctor
# ------------------------------------------------------------------------------
func init*(
T: type AristoApiProfRef;
api: AristoApiRef;
be = BackendRef(nil);
): T =
## This constructor creates a profiling API descriptor to be derived from
## an initialised `api` argument descriptor. For profiling the DB backend,
## the field `.be` of the result descriptor must be assigned to the
## `.backend` field of the `AristoDbRef` descriptor.
##
## The argument desctiptors `api` and `be` will not be modified and can be
## used to restore the previous set up.
##
let
data = AristoDbProfListRef(
list: newSeq[AristoDbProfData](1 + high(AristoApiProfNames).ord))
profApi = T(data: data)
template profileRunner(n: AristoApiProfNames, code: untyped): untyped =
let start = getTime()
code
data.update(n.ord, getTime() - start)
profApi.commit =
proc(a: AristoTxRef): auto =
AristoApiProfCommitFn.profileRunner:
result = api.commit(a)
profApi.deleteAccountRecord =
proc(a: AristoDbRef; b: Hash32): auto =
AristoApiProfDeleteAccountRecordFn.profileRunner:
result = api.deleteAccountRecord(a, b)
profApi.deleteGenericData =
proc(a: AristoDbRef; b: VertexID; c: openArray[byte]): auto =
AristoApiProfDeleteGenericDataFn.profileRunner:
result = api.deleteGenericData(a, b, c)
profApi.deleteGenericTree =
proc(a: AristoDbRef; b: VertexID): auto =
AristoApiProfDeleteGenericTreeFn.profileRunner:
result = api.deleteGenericTree(a, b)
profApi.deleteStorageData =
proc(a: AristoDbRef; b: Hash32, c: Hash32): auto =
AristoApiProfDeleteStorageDataFn.profileRunner:
result = api.deleteStorageData(a, b, c)
profApi.deleteStorageTree =
proc(a: AristoDbRef; b: Hash32): auto =
AristoApiProfDeleteStorageTreeFn.profileRunner:
result = api.deleteStorageTree(a, b)
profApi.fetchLastSavedState =
proc(a: AristoDbRef): auto =
AristoApiProfFetchLastSavedStateFn.profileRunner:
result = api.fetchLastSavedState(a)
profApi.fetchAccountRecord =
proc(a: AristoDbRef; b: Hash32): auto =
AristoApiProfFetchAccountRecordFn.profileRunner:
result = api.fetchAccountRecord(a, b)
profApi.fetchAccountState =
proc(a: AristoDbRef; b: bool): auto =
AristoApiProfFetchAccountStateFn.profileRunner:
result = api.fetchAccountState(a, b)
profApi.fetchGenericData =
proc(a: AristoDbRef; b: VertexID; c: openArray[byte]): auto =
AristoApiProfFetchGenericDataFn.profileRunner:
result = api.fetchGenericData(a, b, c)
profApi.fetchGenericState =
proc(a: AristoDbRef; b: VertexID; c: bool): auto =
AristoApiProfFetchGenericStateFn.profileRunner:
result = api.fetchGenericState(a, b, c)
profApi.fetchStorageData =
proc(a: AristoDbRef; b, stoPath: Hash32): auto =
AristoApiProfFetchStorageDataFn.profileRunner:
result = api.fetchStorageData(a, b, stoPath)
profApi.fetchStorageState =
proc(a: AristoDbRef; b: Hash32; c: bool): auto =
AristoApiProfFetchStorageStateFn.profileRunner:
result = api.fetchStorageState(a, b, c)
profApi.findTx =
proc(a: AristoDbRef; b: RootedVertexID; c: HashKey): auto =
AristoApiProfFindTxFn.profileRunner:
result = api.findTx(a, b, c)
profApi.finish =
proc(a: AristoDbRef; b = false) =
AristoApiProfFinishFn.profileRunner:
api.finish(a, b)
profApi.forget =
proc(a: AristoDbRef): auto =
AristoApiProfForgetFn.profileRunner:
result = api.forget(a)
profApi.forkTx =
proc(a: AristoDbRef; b: int): auto =
AristoApiProfForkTxFn.profileRunner:
result = api.forkTx(a, b)
profApi.hasPathAccount =
proc(a: AristoDbRef; b: Hash32): auto =
AristoApiProfHasPathAccountFn.profileRunner:
result = api.hasPathAccount(a, b)
profApi.hasPathGeneric =
proc(a: AristoDbRef; b: VertexID; c: openArray[byte]): auto =
AristoApiProfHasPathGenericFn.profileRunner:
result = api.hasPathGeneric(a, b, c)
profApi.hasPathStorage =
proc(a: AristoDbRef; b, c: Hash32): auto =
AristoApiProfHasPathStorageFn.profileRunner:
result = api.hasPathStorage(a, b, c)
profApi.hasStorageData =
proc(a: AristoDbRef; b: Hash32): auto =
AristoApiProfHasStorageDataFn.profileRunner:
result = api.hasStorageData(a, b)
profApi.isTop =
proc(a: AristoTxRef): auto =
AristoApiProfIsTopFn.profileRunner:
result = api.isTop(a)
profApi.level =
proc(a: AristoDbRef): auto =
AristoApiProfLevelFn.profileRunner:
result = api.level(a)
profApi.nForked =
proc(a: AristoDbRef): auto =
AristoApiProfNForkedFn.profileRunner:
result = api.nForked(a)
profApi.mergeAccountRecord =
proc(a: AristoDbRef; b: Hash32; c: AristoAccount): auto =
AristoApiProfMergeAccountRecordFn.profileRunner:
result = api.mergeAccountRecord(a, b, c)
profApi.mergeGenericData =
proc(a: AristoDbRef; b: VertexID, c, d: openArray[byte]): auto =
AristoApiProfMergeGenericDataFn.profileRunner:
result = api.mergeGenericData(a, b, c, d)
profApi.mergeStorageData =
proc(a: AristoDbRef; b, c: Hash32, d: Uint256): auto =
AristoApiProfMergeStorageDataFn.profileRunner:
result = api.mergeStorageData(a, b, c, d)
profApi.partAccountTwig =
proc(a: AristoDbRef; b: Hash32): auto =
AristoApiProfPartAccountTwigFn.profileRunner:
result = api.partAccountTwig(a, b)
profApi.partGenericTwig =
proc(a: AristoDbRef; b: VertexID; c: openArray[byte]): auto =
AristoApiProfPartGenericTwigFn.profileRunner:
result = api.partGenericTwig(a, b, c)
profApi.partStorageTwig =
proc(a: AristoDbRef; b: Hash32; c: Hash32): auto =
AristoApiProfPartStorageTwigFn.profileRunner:
result = api.partStorageTwig(a, b, c)
profApi.partUntwigGeneric =
proc(a: openArray[seq[byte]]; b: Hash32; c: openArray[byte]): auto =
AristoApiProfPartUntwigGenericFn.profileRunner:
result = api.partUntwigGeneric(a, b, c)
profApi.partUntwigGenericOk =
proc(a: openArray[seq[byte]]; b:Hash32; c:openArray[byte]; d:Opt[seq[byte]]): auto =
AristoApiProfPartUntwigGenericOkFn.profileRunner:
result = api.partUntwigGenericOk(a, b, c, d)
profApi.partUntwigPath =
proc(a: openArray[seq[byte]]; b, c: Hash32): auto =
AristoApiProfPartUntwigPathFn.profileRunner:
result = api.partUntwigPath(a, b, c)
profApi.partUntwigPathOk =
proc(a: openArray[seq[byte]]; b, c: Hash32; d: Opt[seq[byte]]): auto =
AristoApiProfPartUntwigPathOkFn.profileRunner:
result = api.partUntwigPathOk(a, b, c, d)
profApi.pathAsBlob =
proc(a: PathID): auto =
AristoApiProfPathAsBlobFn.profileRunner:
result = api.pathAsBlob(a)
profApi.persist =
proc(a: AristoDbRef; b = 0u64): auto =
AristoApiProfPersistFn.profileRunner:
result = api.persist(a, b)
profApi.reCentre =
proc(a: AristoDbRef): auto =
AristoApiProfReCentreFn.profileRunner:
result = api.reCentre(a)
profApi.rollback =
proc(a: AristoTxRef): auto =
AristoApiProfRollbackFn.profileRunner:
result = api.rollback(a)
profApi.txBegin =
proc(a: AristoDbRef): auto =
AristoApiProfTxBeginFn.profileRunner:
result = api.txBegin(a)
profApi.txLevel =
proc(a: AristoTxRef): auto =
AristoApiProfTxLevelFn.profileRunner:
result = api.txLevel(a)
profApi.txTop =
proc(a: AristoDbRef): auto =
AristoApiProfTxTopFn.profileRunner:
result = api.txTop(a)
let beDup = be.dup()
if beDup.isNil:
profApi.be = be
else:
beDup.getVtxFn =
proc(a: RootedVertexID, flags: set[GetVtxFlag]): auto =
AristoApiProfBeGetVtxFn.profileRunner:
result = be.getVtxFn(a, flags)
data.list[AristoApiProfBeGetVtxFn.ord].masked = true
beDup.getKeyFn =
proc(a: RootedVertexID): auto =
AristoApiProfBeGetKeyFn.profileRunner:
result = be.getKeyFn(a)
data.list[AristoApiProfBeGetKeyFn.ord].masked = true
beDup.getTuvFn =
proc(): auto =
AristoApiProfBeGetTuvFn.profileRunner:
result = be.getTuvFn()
data.list[AristoApiProfBeGetTuvFn.ord].masked = true
beDup.getLstFn =
proc(): auto =
AristoApiProfBeGetLstFn.profileRunner:
result = be.getLstFn()
data.list[AristoApiProfBeGetLstFn.ord].masked = true
beDup.putVtxFn =
proc(a: PutHdlRef; b: RootedVertexID, c: VertexRef) =
AristoApiProfBePutVtxFn.profileRunner:
be.putVtxFn(a, b, c)
data.list[AristoApiProfBePutVtxFn.ord].masked = true
beDup.putKeyFn =
proc(a: PutHdlRef; b: RootedVertexID, c: HashKey) =
AristoApiProfBePutKeyFn.profileRunner:
be.putKeyFn(a, b, c)
data.list[AristoApiProfBePutKeyFn.ord].masked = true
beDup.putTuvFn =
proc(a: PutHdlRef; b: VertexID) =
AristoApiProfBePutTuvFn.profileRunner:
be.putTuvFn(a,b)
data.list[AristoApiProfBePutTuvFn.ord].masked = true
beDup.putLstFn =
proc(a: PutHdlRef; b: SavedState) =
AristoApiProfBePutLstFn.profileRunner:
be.putLstFn(a,b)
data.list[AristoApiProfBePutLstFn.ord].masked = true
beDup.putEndFn =
proc(a: PutHdlRef): auto =
AristoApiProfBePutEndFn.profileRunner:
result = be.putEndFn(a)
data.list[AristoApiProfBePutEndFn.ord].masked = true
profApi.be = beDup
when AutoValidateApiHooks:
profApi.validate
profApi
# ------------------------------------------------------------------------------
# End
# ------------------------------------------------------------------------------
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