Dmitriy Ryajov fffb674bba
Integrate slot builder (#666)
* rework merkle tree support

* rename merkletree -> codexmerkletree

* treed and proof encoding/decoding

* style

* adding codex merkle and coders tests

* use default hash codec

* proof size changed

* add from nodes test

* shorte file names

* wip poseidon tree

* shorten file names

* root returns a result

* import poseidon tests

* fix merge issues and cleanup a few warnings

* setting up slot builder

* Getting cids in slot

* ensures blocks are devisable by number of slots

* wip

* Implements indexing strategies

* Swaps in indexing strategy into erasure.

* wires slot and indexing tests up

* Fixes issue where indexing strategy stepped gives wrong values for smallest of ranges

* debugs indexing strategies

* Can select slot blocks

* finding number of pad cells

* Implements building slot tree

* finishes implementing slot builder

* Adds check that block size is a multiple of cell size

* Cleanup slotbuilder

* Review comments by Tomasz

* Fixes issue where ecK was used as numberOfSlots.

* rework merkle tree support

* deps

* rename merkletree -> codexmerkletree

* treed and proof encoding/decoding

* style

* adding codex merkle and coders tests

* remove new codecs for now

* proof size changed

* add from nodes test

* shorte file names

* wip poseidon tree

* shorten file names

* fix bad `elements` iter

* bump

* bump

* wip

* reworking slotbuilder

* move out of manifest

* expose getCidAndProof

* import index strat...

* remove getMHash

* remove unused artifacts

* alias zero

* add digest for multihash

* merge issues

* remove unused hashes

* add option to result converter

* misc

* fix tests

* add helper to derive EC block count

* rename method

* misc

* bump

* extract slot root building into own proc

* revert to manifest to accessor

---------

Co-authored-by: benbierens <thatbenbierens@gmail.com>
2024-01-08 14:52:46 -08:00

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1.3 KiB
Nim

## Nim-Codex
## Copyright (c) 2021 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import std/options
import pkg/stew/results
import pkg/chronos
import pkg/questionable/results
export results
type
CodexError* = object of CatchableError # base codex error
CodexResult*[T] = Result[T, ref CodexError]
template mapFailure*[T, V, E](
exp: Result[T, V],
exc: typedesc[E],
): Result[T, ref CatchableError] =
## Convert `Result[T, E]` to `Result[E, ref CatchableError]`
##
exp.mapErr(proc (e: V): ref CatchableError = (ref exc)(msg: $e))
template mapFailure*[T, V](exp: Result[T, V]): Result[T, ref CatchableError] =
mapFailure(exp, CodexError)
template toResult*[T](exp: Option[T]): Result[T, ref CatchableError] =
if exp.isSome:
success exp.get
else:
T.failure("Option is None")
proc allFutureResult*[T](fut: seq[Future[T]]): Future[?!void] {.async.} =
try:
await allFuturesThrowing(fut)
except CancelledError as exc:
raise exc
except CatchableError as exc:
return failure(exc.msg)
return success()