nim-codex/codex/node.nim

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2022-05-19 19:56:03 +00:00
## Nim-Codex
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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## 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 std/tables
import std/sequtils
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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import pkg/questionable
import pkg/questionable/results
import pkg/chronicles
import pkg/chronos
import pkg/libp2p
# TODO: remove once exported by libp2p
import pkg/libp2p/routing_record
import pkg/libp2p/signed_envelope
import ./chunker
import ./blocktype as bt
import ./manifest
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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import ./stores/blockstore
import ./blockexchange
import ./streams
import ./erasure
import ./discovery
import ./contracts
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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logScope:
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topics = "codex node"
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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const
FetchBatch = 200
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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type
BatchProc* = proc(blocks: seq[bt.Block]): Future[void] {.gcsafe, raises: [Defect].}
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CodexError = object of CatchableError
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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CodexNodeRef* = ref object
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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switch*: Switch
networkId*: PeerID
blockStore*: BlockStore
engine*: BlockExcEngine
erasure*: Erasure
discovery*: Discovery
contracts*: ?ContractInteractions
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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proc findPeer*(
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node: CodexNodeRef,
peerId: PeerID): Future[?PeerRecord] {.async.} =
return await node.discovery.findPeer(peerId)
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
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proc connect*(
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node: CodexNodeRef,
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
peerId: PeerID,
addrs: seq[MultiAddress]): Future[void] =
node.switch.connect(peerId, addrs)
proc fetchManifest*(
2022-05-19 19:56:03 +00:00
node: CodexNodeRef,
cid: Cid): Future[?!Manifest] {.async.} =
## Fetch and decode a manifest block
##
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
without contentType =? cid.contentType() and
containerType =? ManifestContainers.?[$contentType]:
return failure "CID has invalid content type for manifest"
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
trace "Received retrieval request", cid
without blk =? await node.blockStore.getBlock(cid), error:
return failure error
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
without manifest =? Manifest.decode(blk):
return failure(
newException(CodexError, "Unable to decode as manifest"))
return manifest.success
proc fetchBatched*(
node: CodexNodeRef,
manifest: Manifest,
batchSize = FetchBatch,
onBatch: BatchProc = nil): Future[?!void] {.async, gcsafe.} =
## Fetch manifest in batches of `batchSize`
##
let
batches =
(manifest.blocks.len div batchSize) +
(manifest.blocks.len mod batchSize)
trace "Fetching blocks in batches of", size = batchSize
for blks in manifest.blocks.distribute(max(1, batches), true):
try:
let
blocks = blks.mapIt(node.blockStore.getBlock( it ))
await allFuturesThrowing(allFinished(blocks))
if not onBatch.isNil:
await onBatch(blocks.mapIt( it.read.get ))
except CancelledError as exc:
raise exc
except CatchableError as exc:
return failure(exc.msg)
return success()
proc retrieve*(
node: CodexNodeRef,
cid: Cid): Future[?!LPStream] {.async.} =
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
## Retrieve by Cid a single block or an entire dataset described by manifest
##
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
if manifest =? (await node.fetchManifest(cid)):
if manifest.protected:
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
# Retrieve, decode and save to the local store all EС groups
proc erasureJob(): Future[void] {.async.} =
try:
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
# Spawn an erasure decoding job
without res =? (await node.erasure.decode(manifest)), error:
trace "Unable to erasure decode manifest", cid, exc = error.msg
except CatchableError as exc:
trace "Exception decoding manifest", cid
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
#
asyncSpawn erasureJob()
else:
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
# Prefetch the entire dataset into the local store
proc prefetchBlocks() {.async, raises: [Defect].} =
try:
discard await node.fetchBatched(manifest)
except CatchableError as exc:
trace "Exception prefetching blocks", exc = exc.msg
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
#
asyncSpawn prefetchBlocks()
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
#
# Retrieve all blocks of the dataset sequentially from the local store or network
return LPStream(StoreStream.new(node.blockStore, manifest, pad = false)).success
let
stream = BufferStream.new()
if blkOrNone =? (await node.blockStore.getBlock(cid)) and blk =? blkOrNone:
proc streamOneBlock(): Future[void] {.async.} =
try:
await stream.pushData(blk.data)
except CatchableError as exc:
trace "Unable to send block", cid
discard
finally:
await stream.pushEof()
asyncSpawn streamOneBlock()
return LPStream(stream).success()
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
return failure("Unable to retrieve Cid!")
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
proc store*(
2022-05-19 19:56:03 +00:00
node: CodexNodeRef,
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
stream: LPStream,
blockSize = BlockSize): Future[?!Cid] {.async.} =
## Save stream contents as dataset with given blockSize
## to nodes's BlockStore, and return Cid of its manifest
##
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
trace "Storing data"
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
without var blockManifest =? Manifest.new(blockSize = blockSize):
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
return failure("Unable to create Block Set")
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
# Manifest and chunker should use the same blockSize
let chunker = LPStreamChunker.new(stream, chunkSize = blockSize)
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
try:
while (
let chunk = await chunker.getBytes();
chunk.len > 0):
trace "Got data from stream", len = chunk.len
without blk =? bt.Block.new(chunk):
return failure("Unable to init block from chunk!")
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
blockManifest.add(blk.cid)
if isErr (await node.blockStore.putBlock(blk)):
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
# trace "Unable to store block", cid = blk.cid
return failure("Unable to store block " & $blk.cid)
except CancelledError as exc:
raise exc
except CatchableError as exc:
return failure(exc.msg)
finally:
await stream.close()
# Generate manifest
Download files without padding (#218) The initial goal of this patch was to allow to download of a file via REST API in exactly the same size as it was uploaded, which required adding fields Chunker.offset and Manifest.originalBytes to keep that size. On top of that, we added more integrity checks to operations on Manifest, and reorganized TestNode.nim to test the actual interaction between node.store and node.retrieve operations. Note that the wire format of Manifest was changed, so we need to recreate all BlockStores. * Download without padding * Fixed chunker tests * Chunker: get rid of RabinChunker * Verify offset in the chunker tests * Use manifest.originalBytesPadded in StoreStream.size * StoreStream: replace emptyBlock with zeroMem * Manifest.bytes: compute how many bytes corresponding StoreStream(Manifest, pad) will return * Manifest: verify originalBytes and originalLen on new/encode/decode Also set originalBytes in each Manifest creation/update scenario * Manifest: comments, split code into sections * Reordered parameters to deal with int64 size in 32-bit builds * TestNode.nim: combine Store and Retrieve tests 1. Instead of copy-pasting code from node.nim, new test calls node.store() and node.retrieve() in order to check that they can correctly store and then retrieve data 2. New test compares only file contents, manifest contents considered an implementation detail 3. New test chunks at odd chunkSize=BlockSize/1.618 in order to ensure that data retrieved correctly even when buffer sizes mismatch * TestNode.nim: code refactoring * Manifest.add: one more test * Manifest.verify: return Result instead of raising Defect * Node.store: added blockSize parameter
2022-08-24 12:15:59 +00:00
blockManifest.originalBytes = chunker.offset # store the exact file size
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
without data =? blockManifest.encode():
return failure(
2022-05-19 19:56:03 +00:00
newException(CodexError, "Could not generate dataset manifest!"))
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
# Store as a dag-pb block
without manifest =? bt.Block.new(data = data, codec = DagPBCodec):
trace "Unable to init block from manifest data!"
return failure("Unable to init block from manifest data!")
if isErr (await node.blockStore.putBlock(manifest)):
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
trace "Unable to store manifest", cid = manifest.cid
return failure("Unable to store manifest " & $manifest.cid)
without cid =? blockManifest.cid, error:
trace "Unable to generate manifest Cid!", exc = error.msg
return failure(error.msg)
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
trace "Stored data", manifestCid = manifest.cid,
contentCid = cid,
blocks = blockManifest.len
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
return manifest.cid.success
2022-05-19 19:56:03 +00:00
proc requestStorage*(self: CodexNodeRef,
cid: Cid,
duration: UInt256,
nodes: uint,
tolerance: uint,
2022-07-20 12:11:00 +00:00
reward: UInt256,
expiry = UInt256.none): Future[?!PurchaseId] {.async.} =
## Initiate a request for storage sequence, this might
## be a multistep procedure.
##
## Roughly the flow is as follows:
## - Get the original cid from the store (should have already been uploaded)
## - Erasure code it according to the nodes and tolerance parameters
## - Run the PoR setup on the erasure dataset
## - Call into the marketplace and purchasing contracts
##
2022-07-20 12:11:00 +00:00
trace "Received a request for storage!", cid, duration, nodes, tolerance, reward
without contracts =? self.contracts:
trace "Purchasing not available"
return failure "Purchasing not available"
without manifest =? await self.fetchManifest(cid), error:
trace "Unable to fetch manifest for cid", cid
raise error
# Erasure code the dataset according to provided parameters
without encoded =? (await self.erasure.encode(manifest, nodes.int, tolerance.int)), error:
trace "Unable to erasure code dataset", cid
return failure(error)
without encodedData =? encoded.encode(), error:
trace "Unable to encode protected manifest"
return failure(error)
without encodedBlk =? bt.Block.new(data = encodedData, codec = DagPBCodec), error:
trace "Unable to create block from encoded manifest"
return failure(error)
if isErr (await self.blockStore.putBlock(encodedBlk)):
trace "Unable to store encoded manifest block", cid = encodedBlk.cid
return failure("Unable to store encoded manifest block")
let request = StorageRequest(
ask: StorageAsk(
2022-08-02 12:21:12 +00:00
slots: nodes + tolerance,
slotSize: (encoded.blockSize * encoded.steps).u256,
duration: duration,
2022-07-20 12:11:00 +00:00
reward: reward
),
content: StorageContent(
cid: $encodedBlk.cid,
erasure: StorageErasure(
totalChunks: encoded.len.uint64,
),
por: StoragePor(
u: @[], # TODO: PoR setup
publicKey: @[], # TODO: PoR setup
name: @[] # TODO: PoR setup
)
),
expiry: expiry |? 0.u256
)
let purchase = contracts.purchasing.purchase(request)
return success purchase.id
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
proc new*(
2022-05-19 19:56:03 +00:00
T: type CodexNodeRef,
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
switch: Switch,
store: BlockStore,
engine: BlockExcEngine,
erasure: Erasure,
discovery: Discovery,
contracts = ContractInteractions.none): T =
Node setup (#32) * settup basic nim node * adding http utils * adding confutils * rough rest api proto * adding missing deps * turn tls emulation off * adding toml serialization * wip * adding missing deps * make sure to clean old state in teardown * adding file upload rest endpoint * renaming blockexchange to networkstore * updating nim-presto * updating libp2p * wip adding streaming upload * reworked chunking * bump to latest unstable * adding asyncfutures stream * make streamable * deleting unused files * reworking stores api * use new stores api * rework blockset and remove blockstream * don't return option from constructor * rework chunker * wip implement upload * fix tests * move unrelated logic to engine * don't print entire message * logging * basic encode/decode to/from dag-pb * add basic upload/download support * fix tests * renaming blockset to manifest * don't pass config to node * remove config and use new manifest * wip: make endpoints more reliable * wip: adding node tests * include correct manifest test * removing asyncfutures * proper chunking of files * simplify stream reading * test with encoding/decoding with many blocks * add block storing tests * adding retrieval test * add logging * tidy up chunker * tidy up manifest and node * use default chunk size * fix tests * fix tests * make sure Eof is set properly * wip * minor cleanup * add file utils * cleanup config * splitout DaggerServer and "main" * remove events since they are not used * add broadcast method to network peer * add and wire localstore * use localstore in the node * wip * logging * move file utils * use the constant * updating deps * fix memstore * use latest libp2p unstable * fix tests * rework block streaming * don't fail storing if the block already exists * add helper info endpoint * correct comment * rename localstore to fsstore * fix tests * remove unused tests * add test to retrieve one block * move some test files around * consolidate setup * Update dagger/blockexchange/engine.nim Co-authored-by: Tanguy <tanguy@status.im> * typo * better block path handling * don't inherit rootobj * remove useless template * Update tests/dagger/blockexc/testblockexc.nim Co-authored-by: markspanbroek <mark@spanbroek.net> * use isMainModule * use proper flag for starter/stoped * cleanup optional use * wrap in isMainModule * use `cancelAndAwait` * remove unused imports * wip * don't use optional * use functional error api * rework store tests and add fs tests * Block.new() to Block.init() * don't use optional for engine blocks * use result instead of optional for getBlock * remove unused imports * move stopping servers to `shutdown` * use result instead of optional * rework with results * fix tests * use waitFor in signal handlers * error helper * use `?` and mapFailure where possible * remove unnecesary `=?` * improve empty cid digest initialization Co-authored-by: Tanguy <tanguy@status.im> Co-authored-by: markspanbroek <mark@spanbroek.net>
2022-01-10 15:32:56 +00:00
T(
switch: switch,
blockStore: store,
engine: engine,
erasure: erasure,
discovery: discovery,
contracts: contracts)
proc start*(node: CodexNodeRef) {.async.} =
if not node.switch.isNil:
await node.switch.start()
if not node.engine.isNil:
await node.engine.start()
if not node.erasure.isNil:
await node.erasure.start()
if not node.discovery.isNil:
await node.discovery.start()
if contracts =? node.contracts:
# TODO: remove Sales callbacks, pass BlockStore and StorageProofs instead
contracts.sales.onStore = proc(request: StorageRequest,
slot: UInt256,
availability: Availability) {.async.} =
## store data in local storage
##
without cid =? Cid.init(request.content.cid):
trace "Unable to parse Cid", cid
raise newException(CodexError, "Unable to parse Cid")
without manifest =? await node.fetchManifest(cid), error:
trace "Unable to fetch manifest for cid", cid
raise error
trace "Fetching block for manifest", cid
# TODO: This will probably require a call to `getBlock` either way,
# since fetching of blocks will have to be selective according
# to a combination of parameters, such as node slot position
# and dataset geometry
let fetchRes = await node.fetchBatched(manifest)
if fetchRes.isErr:
raise newException(CodexError, "Unable to retrieve blocks")
contracts.sales.onClear = proc(availability: Availability, request: StorageRequest) =
# TODO: remove data from local storage
discard
contracts.sales.onProve = proc(request: StorageRequest,
slot: UInt256): Future[seq[byte]] {.async.} =
# TODO: generate proof
return @[42'u8]
try:
await contracts.start()
except CatchableError as error:
error "Unable to start contract interactions: ", error=error.msg
node.contracts = ContractInteractions.none
node.networkId = node.switch.peerInfo.peerId
notice "Started codex node", id = $node.networkId, addrs = node.switch.peerInfo.addrs
proc stop*(node: CodexNodeRef) {.async.} =
trace "Stopping node"
if not node.engine.isNil:
await node.engine.stop()
if not node.switch.isNil:
await node.switch.stop()
if not node.erasure.isNil:
await node.erasure.stop()
if not node.discovery.isNil:
await node.discovery.stop()
if contracts =? node.contracts:
await contracts.stop()
if not node.blockStore.isNil:
await node.blockStore.close