Commit Graph

423 Commits

Author SHA1 Message Date
rjl493456442
8b53b92eb4
core, trie: rework trie committer (#25320)
* all: rework trie and trie committer

* all: get rid of internal cache in trie

* all: fixes

* trie: polish

* core, trie: address comments

* trie: fix imports

* core/state: address comments

* core/state/snapshot: polish

* trie: remove unused code

* trie: update tests

* trie: don't set db as nil

* trie: address comments

* trie: unskip test
2022-08-04 11:03:20 +03:00
rjl493456442
9d76a9b94f
core, trie, eth, cmd: rework preimage store (#25287)
* core, trie, eth, cmd: rework preimage store

* trie: address comment
2022-07-27 20:37:04 +02:00
Delweng
b196ad1c16
all: add whitespace linter (#25312)
* golangci: typo

Signed-off-by: Delweng <delweng@gmail.com>

* golangci: add whietspace

Signed-off-by: Delweng <delweng@gmail.com>

* *: rm whitesapce using golangci-lint

Signed-off-by: Delweng <delweng@gmail.com>

* cmd/puppeth: revert accidental resurrection

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2022-07-25 13:14:03 +03:00
rjl493456442
1657e43931
core, les, eth: port snap sync changes (#24898)
core, eth, les, trie: rework snap sync
2022-07-15 14:55:51 +03:00
Seungbae.yu
44893be0d6
core, eth: pre-allocate map in storage copy (#25279) 2022-07-12 10:08:45 +03:00
aaronbuchwald
300f6121ad
core/rawdb: simplify TestDiskSeek to use memorydb (#25182) 2022-06-29 11:54:42 +02:00
Martin Holst Swende
a907d7e81a
all: more linters (#24783)
This enables the following linters

- typecheck
- unused
- staticcheck
- bidichk
- durationcheck
- exportloopref
- gosec

WIth a few exceptions.

- We use a deprecated protobuf in trezor. I didn't want to mess with that, since I cannot meaningfully test any changes there.
- The deprecated TypeMux is used in a few places still, so the warning for it is silenced for now.
- Using string type in context.WithValue is apparently wrong, one should use a custom type, to prevent collisions between different places in the hierarchy of callers. That should be fixed at some point, but may require some attention.
- The warnings for using weak random generator are squashed, since we use a lot of random without need for cryptographic guarantees.
2022-06-13 16:24:45 +02:00
Gustavo Silva
eb94896270
Chore: Minimal gramatical errors (signleton -> singleton) (#25057)
core: fix typos
2022-06-10 18:47:06 +03:00
rjl493456442
22defa5af7
all: introduce trie owner notion (#24750)
* cmd, core/state, light, trie, eth: add trie owner notion

* all: refactor

* tests: fix goimports

* core/state/snapshot: fix ineffasigns

Co-authored-by: Martin Holst Swende <martin@swende.se>
2022-06-06 17:14:55 +02:00
Martin Holst Swende
c375ee91e9
cmd/geth, core/state/snapshot: rework journal loading, implement account-check (#24765)
* cmd/geth, core/state/snapshot: rework journal loading, implement account-check

* core/state/snapshot, cmd/geth: polish code (#37)

* core/state/snapshot: minor nits

* core/state/snapshot: simplify error logic

* cmd/geth: go format

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
2022-06-06 17:09:39 +02:00
Felix Lange
9244d5cd61
all: update license headers and AUTHORS from git history (#24947) 2022-05-24 20:39:40 +02:00
rjl493456442
59ac229f87
core/state/snapshot: detect and clean up dangling storage snapshot in generation (#24811)
* core/state/snapshot: check dangling storages when generating snapshot

* core/state/snapshot: polish

* core/state/snapshot: wipe the last part of the dangling storages

* core/state/snapshot: fix and add tests

* core/state/snapshot: fix comment

* README: remove mentions of fast sync (#24656)

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>

* core, cmd: expose dangling storage detector for wider usage

* core/state/snapshot: rename variable

* core, ethdb: use global iterators for snapshot generation

* core/state/snapshot: polish

* cmd, core/state/snapshot: polish

* core/state/snapshot: polish

* Update core/state/snapshot/generate.go

Co-authored-by: Martin Holst Swende <martin@swende.se>

* ethdb: extend db test suite and fix memorydb iterator

* ethdb/dbtest: rollback changes

* ethdb/memorydb: simplify iteration

* core/state/snapshot: update dangling counter

* core/state/snapshot: release iterators

* core/state/snapshot: update metrics

* core/state/snapshot: update time metrics

* metrics/influxdb: temp solution to present counter meaningfully, remove it

* add debug log, revert later

* core/state/snapshot: fix iterator panic

* all: customized snapshot iterator for backward iteration

* core, ethdb: polish

* core/state/snapshot: remove debug log

* core/state/snapshot: address comments from peter

* core/state/snapshot: reopen the iterator at the next position

* ethdb, core/state/snapshot: address comment from peter

* core/state/snapshot: reopen exhausted iterators

Co-authored-by: Tbnoapi <63448616+nuoomnoy02@users.noreply.github.com>
Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
Co-authored-by: Martin Holst Swende <martin@swende.se>
2022-05-23 13:26:22 +03:00
Marius van der Wijden
86d5477079
core/state/snapshot: fix race condition (#24685)
Fixes three race conditions found through fuzzing by David Theodore
2022-05-06 17:20:41 +02:00
s7v7nislands
5a584c2133
all: use common.FileExist for checking file existence (#24748) 2022-04-27 11:48:02 +02:00
Martin Holst Swende
0914234d10
cmd/geth, core/state/snapshot: fix flaw in dangling-storage check + inspect difflayers (#24677)
This PR fixes the flaw that @rjl493456442 found in https://github.com/ethereum/go-ethereum/pull/#issuecomment-1093817551 , namely, that the snapshot iterator uses the combined (disk + difflayers) 'view', wheres the raw iterator uses only the disk 'view'.

This PR instead splits up the work: one phase is iterating the disk layer data, another phase is loading the journalled difflayers and performing the same check there.
2022-04-26 09:08:43 +02:00
Eng Zer Jun
8d066f1f42
all: use T.TempDir to create temporary test directories (#24633)
This commit replaces ioutil.TempDir with t.TempDir in tests. The
directory created by t.TempDir is automatically removed when the test
and all its subtests complete.

Prior to this commit, temporary directory created using ioutil.TempDir
had to be removed manually by calling os.RemoveAll, which is omitted in
some tests. The error handling boilerplate e.g.

	defer func() {
		if err := os.RemoveAll(dir); err != nil {
			t.Fatal(err)
		}
	}

is also tedious, but t.TempDir handles this for us nicely.

Reference: https://pkg.go.dev/testing#T.TempDir
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
2022-04-08 15:44:55 +02:00
Péter Szilágyi
f6891ba40d
core/state/snapshot: remove noop map item assignment 2022-04-07 09:36:44 +03:00
rjl493456442
25bd17d725
core/state/snapshot: clean up the generation code (#24479) 2022-03-29 20:37:35 +02:00
aaronbuchwald
c3701b265e
core/rawdb: add specified key length iterator (#24535) 2022-03-15 10:28:26 +02:00
Péter Szilágyi
70da74e73a
Merge pull request #24515 from karalabe/pending-statedb-accesslist-init
core/statedb: always clear out access list when setting a new one
2022-03-14 10:51:32 +02:00
Ceyhun Onur
8401e4277a
core/rawdb: add HasCode, HashTrieNode and use them where possible (#24454) 2022-03-09 00:39:34 +01:00
Péter Szilágyi
48605b5f61
core/statedb: always clear out access list when setting a new one 2022-03-08 12:00:29 +02:00
Martin Holst Swende
51e7968b8b
core/state: fix read-meters + simplify code (#24304) 2022-02-14 09:22:57 +01:00
Martin Holst Swende
51eb5f8ca8
cmd/geth: add db cmd to show metadata (#23900)
* cmd/geth: add db cmd to show metadata

* cmd/geth: better output generator status

Co-authored-by: Sina Mahmoodi <1591639+s1na@users.noreply.github.com>

* cmd: minor

Co-authored-by: Sina Mahmoodi <1591639+s1na@users.noreply.github.com>
Co-authored-by: Sina Mahmoodi <itz.s1na@gmail.com>
2022-01-18 12:30:41 +02:00
Péter Szilágyi
58d1988349
core, eth, les, trie: remove the sync bloom, used by fast sync 2021-12-03 12:32:41 +02:00
Taeik Lim
85064ed09b
all: fix 'the the' in comments (#24036) 2021-12-02 15:42:09 +01:00
Martin Holst Swende
9055cc14ec
core/vm, core/state/snapshot: remove unused code (#23956)
* core/state/snapshot: remove wiper functionality

* core/vm: remove unused 'unofficial' opcodes
2021-11-25 10:37:47 +02:00
Martin Holst Swende
526c3f6b9e
core/state/snapshot: fix benchmarks (#23804) 2021-10-26 11:01:01 +02:00
Ziyuan Zhong
312e02bca9
core/state/snapshot: fix BAD BLOCK error when snapshot is generating (#23635)
* core/state/snapshot: fix BAD BLOCK error when snapshot is generating

* core/state/snapshot: alternative fix for the snapshot generator

* add comments and minor update

Co-authored-by: Martin Holst Swende <martin@swende.se>
2021-10-20 10:05:27 +02:00
rjl493456442
f915f6873f
core/state/snapshot: fix data race in layer flattening (#23628)
* core/state/snapshot: fix data race in layer flattening

* core/state/snapshot: fix typo
2021-10-15 10:52:40 +03:00
hsyodyssey
84bccd0900
core/state: fix typos in comments (#23702) 2021-10-10 15:00:00 +02:00
hsyodyssey
12f971fb2d
core/state: fix typo in comment (#23665) 2021-10-04 12:16:50 +02:00
Guillaume Ballet
443afc975c
core/state: move state account to core/types + abstracted "write account to trie" (#23567)
* core/state: abstracted "write account to trie" method

* fix appveyor build

* Apply suggestions from code review

Co-authored-by: Martin Holst Swende <martin@swende.se>

* review feedback

* core/state/accounts: move Account to core/types

* core/types: rename Account -> StateAccount

* core/state: restore EncodeRLP for stateObject

* core/types: add the missing file

* more review feedback

* more review feedback

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Felix Lange <fjl@twurst.com>
2021-09-28 10:48:07 +02:00
Ikko Ashimine
31be5d41d9
core: fix typo in iterator.go (#23502)
strorage -> storage
2021-08-31 10:21:42 +02:00
gary rong
a5a5237178
core, light, tests, trie: add state metrics (#23433) 2021-08-24 22:00:42 +03:00
Péter Szilágyi
9d6480c3cd
core/state/snapshot: gofmt 2021-08-10 16:58:38 +03:00
Tyler Chambers
66948316f7
core/state/snapshot: clarify comment about snapshot repair (#23305)
Co-authored-by: Tyler Chambers <me@tylerchambers.net>
Co-authored-by: Felix Lange <fjl@twurst.com>
2021-08-10 11:16:53 +02:00
Ziyuan Zhong
57d9e0ac75
core/state/snapshot: fix typo in comment (#23219) 2021-08-10 11:04:29 +02:00
Péter Szilágyi
3b38a83274
core/state/pruner: fix state bloom sync permission in Windows 2021-08-10 10:40:10 +03:00
Marius van der Wijden
28ba686cbf
core/state: add trie prefetcher tests (#23216)
* core/state: add trie prefetcher tests

* core/state: add missing license
2021-08-03 17:35:25 +02:00
aaronbuchwald
82c5085399
cre/state: fix outdated statedb Prepare comment (#23320) 2021-08-03 09:06:58 +03:00
Marius van der Wijden
8fe47b0a0d
core/state: avoid unnecessary alloc in trie prefetcher (#23198) 2021-07-12 21:34:20 +02:00
Marius van der Wijden
686b2884ee
all: removed blockhash from statedb (#23126)
This PR removes the blockhash from the statedb
2021-06-30 15:17:01 +02:00
Li Dongwei
bca8c03e57
core/state: remove unused methods ReturnGas, GetStorageProofByHash (#23092)
Co-authored-by: lidongwei <lidongwei@huobi.com>
2021-06-25 14:34:09 +02:00
Guillaume Ballet
2cde472650
core/state: fix typos in test error message (#22962) 2021-05-31 12:43:18 +02:00
gary rong
c73652da0b
core/state/snapshot: fix flaky tests (#22944)
* core/state/snapshot: fix flaky tests

* core/state/snapshot: fix tests
2021-05-26 10:58:09 +03:00
Martin Holst Swende
addd8824cf
cmd/geth, eth, core: snapshot dump + unify with trie dump (#22795)
* cmd/geth, eth, core: snapshot dump + unify with trie dump

* cmd/evm: dump API fixes

* cmd/geth, core, eth: fix some remaining errors

* cmd/evm: dump - add limit, support address startkey, address review concerns

* cmd, core/state, eth: minor polishes, fix snap dump crash, unify format

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2021-05-12 11:05:39 +03:00
Martin Holst Swende
cc606be74c
all: define London+baikal, undefine yolov3, add london override flag (#22822)
* all: define London+baikal, undefine yolov3, add london override flag

* cmd, core, params: add baikal genesis definition
2021-05-06 12:07:42 +03:00
Péter Szilágyi
8681a2536c
Merge pull request #22777 from karalabe/snapshots-abort-resume-on-sync
core, eth: abort snapshot generation on snap sync and resume later
2021-04-30 17:04:05 +03:00
Péter Szilágyi
745757ac6b
core, eth: abort snapshot generation on snap sync and resume later 2021-04-30 17:03:10 +03:00
aaronbuchwald
bbb57fd64b
core/state: remove toAddr helper in tests (#22772) 2021-04-30 13:10:12 +02:00
Péter Szilágyi
fae165a5de
core, eth, ethdb, trie: simplify range proofs 2021-04-29 10:59:08 +03:00
Martin Holst Swende
a81cf0d2b3
trie: remove redundant returns + use stacktrie where applicable (#22760)
* trie: add benchmark for proofless range

* trie: remove unused returns + use stacktrie
2021-04-28 22:47:48 +03:00
Martin Holst Swende
49281ab84f
core/state/snapshot, true: reuse dirty data instead of hitting disk when generating (#22667)
* core/state/snapshot: reuse memory data instead of hitting disk when generating

* trie: minor nitpicks wrt the resolver optimization

* core/state/snapshot, trie: use key/value store for resolver

* trie: fix linter

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2021-04-23 14:39:18 +03:00
gary rong
d6ffa14035
core: nuke legacy snapshot supporting (#22663) 2021-04-20 08:27:46 +03:00
Martin Holst Swende
09d44e9925
core/state/snapshot: avoid copybytes for stacktrie 2021-04-16 14:58:23 +02:00
gary rong
7088f1e814
core, eth: faster snapshot generation (#22504)
* eth/protocols: persist received state segments

* core: initial implementation

* core/state/snapshot: add tests

* core, eth: updates

* eth/protocols/snapshot: count flat state size

* core/state: add metrics

* core/state/snapshot: skip unnecessary deletion

* core/state/snapshot: rename

* core/state/snapshot: use the global batch

* core/state/snapshot: add logs and fix wiping

* core/state/snapshot: fix

* core/state/snapshot: save generation progress even if the batch is empty

* core/state/snapshot: fixes

* core/state/snapshot: fix initial account range length

* core/state/snapshot: fix initial account range

* eth/protocols/snap: store flat states during the healing

* eth/protocols/snap: print logs

* core/state/snapshot: refactor (#4)

* core/state/snapshot: refactor

* core/state/snapshot: tiny fix and polish

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>

* core, eth: fixes

* core, eth: fix healing writer

* core, trie, eth: fix paths

* eth/protocols/snap: fix encoding

* eth, core: add debug log

* core/state/generate: release iterator asap (#5)

core/state/snapshot: less copy

core/state/snapshot: revert split loop

core/state/snapshot: handle storage becoming empty, improve test robustness

core/state: test modified codehash

core/state/snapshot: polish

* core/state/snapshot: optimize stats counter

* core, eth: add metric

* core/state/snapshot: update comments

* core/state/snapshot: improve tests

* core/state/snapshot: replace secure trie with standard trie

* core/state/snapshot: wrap return as the struct

* core/state/snapshot: skip wiping correct states

* core/state/snapshot: updates

* core/state/snapshot: fixes

* core/state/snapshot: fix panic due to reference flaw in closure

* core/state/snapshot: fix errors in state generation logic + fix log output

* core/state/snapshot: remove an error case

* core/state/snapshot: fix condition-check for exhausted snap state

* core/state/snapshot: use stackTrie for small tries

* core/state/snapshot: don't resolve small storage tries in vain

* core/state/snapshot: properly clean up storage of deleted accounts

* core/state/snapshot: avoid RLP-encoding in some cases + minor nitpicks

* core/state/snapshot: fix error (+testcase)

* core/state/snapshot: clean up tests a bit

* core/state/snapshot: work in progress on better tests

* core/state/snapshot: polish code

* core/state/snapshot: fix trie iteration abortion trigger

* core/state/snapshot: fixes flaws

* core/state/snapshot: remove panic

* core/state/snapshot: fix abort

* core/state/snapshot: more tests (plus failing testcase)

* core/state/snapshot: more testcases + fix for failing test

* core/state/snapshot: testcase for malformed data

* core/state/snapshot: some test nitpicks

* core/state/snapshot: improvements to logging

* core/state/snapshot: testcase to demo error in abortion

* core/state/snapshot: fix abortion

* cmd/geth: make verify-state report the root

* trie: fix failing test

* core/state/snapshot: add timer metrics

* core/state/snapshot: fix metrics

* core/state/snapshot: udpate tests

* eth/protocols/snap: write snapshot account even if code or state is needed

* core/state/snapshot: fix diskmore check

* core/state/snapshot: review fixes

* core/state/snapshot: improve error message

* cmd/geth: rename 'error' to 'err' in logs

* core/state/snapshot: fix some review concerns

* core/state/snapshot, eth/protocols/snap: clear snapshot marker when starting/resuming snap sync

* core: add error log

* core/state/snapshot: use proper timers for metrics collection

* core/state/snapshot: address some review concerns

* eth/protocols/snap: improved log message

* eth/protocols/snap: fix heal logs to condense infos

* core/state/snapshot: wait for generator termination before restarting

* core/state/snapshot: revert timers to counters to track total time

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2021-04-14 23:23:11 +03:00
Edgar Aroutiounian
c79fc209cd
core/state/snapshot: fix data race in diff layer (#22540) 2021-04-06 11:57:00 +03:00
Péter Szilágyi
61ff3e86b2
core/state/snapshot, ethdb: track deletions more accurately (#22582)
* core/state/snapshot, ethdb: track deletions more accurately

* core/state/snapshot: don't reset the iterator, leveldb's screwy

* ethdb: don't mess with the insert batches for now
2021-03-30 19:04:22 +03:00
gary rong
76700ac892
core/state/pruner: move the compaction out of the pruning procedure (#22579)
The main idea behind it is: the range compaction is very expensive
which can take a few hours to finish. During this long procedure,
a lot of exceptions can occur, e.g.
- Geth is killed manually
- Geth is killed because of machine crash
- etc

In order to minimize the effect of the exceptions, the compaction
is moved out of the pruning. So that even the compaction is not
finished, the pruning is regarded as done.
2021-03-29 11:09:29 +02:00
Péter Szilágyi
a31f6d54df
core/state/snapshot: fix panic on missing parent 2021-03-22 22:41:28 +02:00
gary rong
0c70b83e00
all: add read-only option to database (#22407)
* all: add read-only option to database

* all: fixes tests

* cmd/geth: migrate flags

* cmd/geth: fix the compact

* cmd/geth: fix the format

* cmd/geth: fix log

* cmd: add chain-readonly

* core: add readonly notion to freezer

* core/rawdb: add log

* core/rawdb: fix freezer close

* cmd: fix

* cmd, core: construct db

* core: update tests
2021-03-22 19:06:30 +01:00
Martin Holst Swende
498458b410
core/state: fix eta calculation on pruning (#22386) 2021-02-26 16:33:37 +01:00
lightclient
bbfb1e4008
all: add support for EIP-2718, EIP-2930 transactions (#21502)
This adds support for EIP-2718 typed transactions as well as EIP-2930
access list transactions (tx type 1). These EIPs are scheduled for the
Berlin fork.

There very few changes to existing APIs in core/types, and several new APIs
to deal with access list transactions. In particular, there are two new
constructor functions for transactions: types.NewTx and types.SignNewTx.
Since the canonical encoding of typed transactions is not RLP-compatible,
Transaction now has new methods for encoding and decoding: MarshalBinary
and UnmarshalBinary.

The existing EIP-155 signer does not support the new transaction types.
All code dealing with transaction signatures should be updated to use the
newer EIP-2930 signer. To make this easier for future updates, we have
added new constructor functions for types.Signer: types.LatestSigner and
types.LatestSignerForChainID. 

This change also adds support for the YoloV3 testnet.

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Felix Lange <fjl@twurst.com>
Co-authored-by: Ryan Schneider <ryanleeschneider@gmail.com>
2021-02-25 15:26:57 +01:00
Martin Holst Swende
52e5c38aa5
core/state: copy the snap when copying the state (#22340)
* core/state: copy the snap when copying the state

* core/state: deep-copy snap stuff during state Copy
2021-02-18 10:05:47 +02:00
Péter Szilágyi
9ec3329899
core/state/snapshot: ensure Cap retains a min number of layers 2021-02-16 15:25:20 +02:00
Martin Holst Swende
74dbc20260
core/state/pruner: fix compaction range error 2021-02-08 20:31:52 +01:00
Péter Szilágyi
2728672c28
core/state/pruner: fix compaction after pruning 2021-02-08 19:18:40 +02:00
gary rong
f566dd305e
all: bloom-filter based pruning mechanism (#21724)
* cmd, core, tests: initial state pruner

core: fix db inspector

cmd/geth: add verify-state

cmd/geth: add verification tool

core/rawdb: implement flatdb

cmd, core: fix rebase

core/state: use new contract code layout

core/state/pruner: avoid deleting genesis state

cmd/geth: add helper function

core, cmd: fix extract genesis

core: minor fixes

contracts: remove useless

core/state/snapshot: plugin stacktrie

core: polish

core/state/snapshot: iterate storage concurrently

core/state/snapshot: fix iteration

core: add comments

core/state/snapshot: polish code

core/state: polish

core/state/snapshot: rebase

core/rawdb: add comments

core/rawdb: fix tests

core/rawdb: improve tests

core/state/snapshot: fix concurrent iteration

core/state: run pruning during the recovery

core, trie: implement martin's idea

core, eth: delete flatdb and polish pruner

trie: fix import

core/state/pruner: add log

core/state/pruner: fix issues

core/state/pruner: don't read back

core/state/pruner: fix contract code write

core/state/pruner: check root node presence

cmd, core: polish log

core/state: use HEAD-127 as the target

core/state/snapshot: improve tests

cmd/geth: fix verification tool

cmd/geth: use HEAD as the verification default target

all: replace the bloomfilter with martin's fork

cmd, core: polish code

core, cmd: forcibly delete state root

core/state/pruner: add hash64

core/state/pruner: fix blacklist

core/state: remove blacklist

cmd, core: delete trie clean cache before pruning

cmd, core: fix lint

cmd, core: fix rebase

core/state: fix the special case for clique networks

core/state/snapshot: remove useless code

core/state/pruner: capping the snapshot after pruning

cmd, core, eth: fixes

core/rawdb: update db inspector

cmd/geth: polish code

core/state/pruner: fsync bloom filter

cmd, core: print warning log

core/state/pruner: adjust the parameters for bloom filter

cmd, core: create the bloom filter by size

core: polish

core/state/pruner: sanitize invalid bloomfilter size

cmd: address comments

cmd/geth: address comments

cmd/geth: address comment

core/state/pruner: address comments

core/state/pruner: rename homedir to datadir

cmd, core: address comments

core/state/pruner: address comment

core/state: address comments

core, cmd, tests: address comments

core: address comments

core/state/pruner: release the iterator after each commit

core/state/pruner: improve pruner

cmd, core: adjust bloom paramters

core/state/pruner: fix lint

core/state/pruner: fix tests

core: fix rebase

core/state/pruner: remove atomic rename

core/state/pruner: address comments

all: run go mod tidy

core/state/pruner: avoid false-positive for the middle state roots

core/state/pruner: add checks for middle roots

cmd/geth: replace crit with error

* core/state/pruner: fix lint

* core: drop legacy bloom filter

* core/state/snapshot: improve pruner

* core/state/snapshot: polish concurrent logs to report ETA vs. hashes

* core/state/pruner: add progress report for pruning and compaction too

* core: fix snapshot test API

* core/state: fix some pruning logs

* core/state/pruner: support recovering from bloom flush fail

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2021-02-08 13:16:30 +02:00
Alex Prut
ef84da8481
all: remove unneeded parentheses (#21921)
* remove uneeded convertion type

* remove redundant type in composite literal

* omit explicit type where implicit

* remove unused redundant parenthesis

* remove redundant import alias duktape
2021-02-02 11:32:44 +02:00
Martin Holst Swende
14d495491d
core/state: fix panic in state dumping (#22225) 2021-01-26 12:15:31 +01:00
Melvin Junhee Woo
04a72260c5
snapshot: merge loops for better performance (#22160) 2021-01-25 14:25:55 +01:00
Péter Szilágyi
ddadc3d273
Merge pull request #21047 from holiman/improve_updates_2
core: improve trie updates (part 2)
2021-01-21 01:48:08 +02:00
Péter Szilágyi
42f9f1f073
core/state: convert prefetcher to concurrent per-trie loader 2021-01-21 01:47:14 +02:00
Martin Holst Swende
1e1865b73f
core: implement background trie prefetcher
Squashed from the following commits:

core/state: lazily init snapshot storage map
core/state: fix flawed meter on storage reads
core/state: make statedb/stateobjects reuse a hasher
core/blockchain, core/state: implement new trie prefetcher
core: make trie prefetcher deliver tries to statedb
core/state: refactor trie_prefetcher, export storage tries
blockchain: re-enable the next-block-prefetcher
state: remove panics in trie prefetcher
core/state/trie_prefetcher: address some review concerns

sq
2021-01-21 01:46:38 +02:00
gary rong
5e9f5ca5d3
core/state/snapshot: write snapshot generator in batch (#22163)
* core/state/snapshot: write snapshot generator in batch

* core: refactor the tests

* core: update tests

* core: update tests
2021-01-18 14:39:43 +01:00
Péter Szilágyi
c4deebbf1e
core/state/snapshot: add generation logs to storage too 2021-01-15 12:26:46 +02:00
Martin Holst Swende
93a89b2681
go.mod: use github.com/holiman/bloomfilter/v2 (#22044)
* deps: use improved bloom filter implementation

* eth/handler, trie: use 4 keys for syncbloom + minor fixes

* eth/protocols, trie: revert change on syncbloom method signature
2021-01-12 17:39:31 +01:00
Melvin Junhee Woo
d2e1b17f18
snapshot, trie: fixed typos, mostly in snapshot pkg (#22133) 2021-01-07 08:36:21 +02:00
Melvin Junhee Woo
167ff563d1
core/state/snapshot: gethring -> gathering typo (#22104) 2021-01-04 10:07:43 +02:00
Péter Szilágyi
017831dd5b
core, eth: split eth package, implement snap protocol (#21482)
This commit splits the eth package, separating the handling of eth and snap protocols. It also includes the capability to run snap sync (https://github.com/ethereum/devp2p/blob/master/caps/snap.md) , but does not enable it by default. 

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
Co-authored-by: Martin Holst Swende <martin@swende.se>
2020-12-14 10:27:15 +01:00
Martin Holst Swende
b44f24e3e6
core, trie: speed up some tests with quadratic processing flaw (#21987)
This commit fixes a flaw in two testcases, and brings down the exec-time from ~40s to ~8s for trie/TestIncompleteSync.

The checkConsistency was performed over and over again on the complete set of nodes, not just the recently added, turning it into a quadratic runtime.
2020-12-10 14:48:32 +01:00
Alex Prut
810f9e057d
all: remove redundant conversions and import names (#21903) 2020-11-25 21:00:23 +01:00
gary rong
23524f8900
all: disable recording preimage of trie keys (#21402)
* cmd, core, eth, light, trie: disable recording preimage by default

* core, eth: fix unit tests

* core: fix import

* all: change to nopreimage

* cmd, core, eth, trie: use cache.preimages flag

* cmd: enable preimages for archive node

* cmd/utils, trie: simplify preimage tracking a bit

* core: fix linter

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2020-11-18 11:51:33 +02:00
Péter Szilágyi
7b7b327ff2
core/state/snapshot: update generator marker in sync with flushes 2020-11-09 16:03:58 +02:00
gary rong
e6402677c2
core/state/snapshot: fix journal recovery from generating old journal (#21775)
* core/state/snapshot: print warning if failed to resolve journal

* core/state/snapshot: fix snapshot recovery

When we meet the snapshot journal consisted with:
- disk layer generator with new-format
- diff layer journal with old-format

The base layer should be returned without error.
The broken diff layer can be reconstructed later
but we definitely don't want to reconstruct the
huge diff layer.

* core: add tests
2020-11-04 13:41:46 +02:00
gary rong
b63e3c37a6
core: improve snapshot journal recovery (#21594)
* core/state/snapshot: introduce snapshot journal version

* core: update the disk layer in an atomic way

* core: persist the disk layer generator periodically

* core/state/snapshot: improve logging

* core/state/snapshot: forcibly ensure the legacy snapshot is matched

* core/state/snapshot: add debug logs

* core, tests: fix tests and special recovery case

* core: polish

* core: add more blockchain tests for snapshot recovery

* core/state: fix comment

* core: add recovery flag for snapshot

* core: add restart after start-after-crash tests

* core/rawdb: fix imports

* core: fix tests

* core: remove log

* core/state/snapshot: fix snapshot

* core: avoid callbacks in SetHead

* core: fix setHead cornercase where the threshold root has state

* core: small docs for the test cases

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2020-10-29 21:01:58 +02:00
gary rong
43c278cdf9
core/state: disable snapshot iteration if it's not fully constructed (#21682)
* core/state/snapshot: add diskRoot function

* core/state/snapshot: disable iteration if the snapshot is generating

* core/state/snapshot: simplify the function

* core/state: panic for undefined layer
2020-10-28 14:27:37 +02:00
gary rong
18145adf08
core/state: maintain one more diff layer (#21730)
* core/state: maintain one more diff layer

* core/state: address comment
2020-10-28 14:00:22 +02:00
Martin Holst Swende
6487c002f6
all: implement EIP-2929 (gas cost increases for state access opcodes) + yolo-v2 (#21509)
* core/vm, core/state: implement EIP-2929 + YOLOv2

* core/state, core/vm: fix some review concerns

* core/state, core/vm: address review concerns

* core/vm: address review concerns

* core/vm: better documentation

* core/vm: unify sload cost as fully dynamic

* core/vm: fix typo

* core/vm/runtime: fix compilation flaw

* core/vm/runtime: fix renaming-err leftovers

* core/vm: renaming

* params/config: use correct yolov2 chainid for config

* core, params: use a proper new genesis for yolov2

* core/state/tests: golinter nitpicks
2020-10-23 08:26:57 +02:00
mr_franklin
66c3eb2f1a
accouts, consensus, core: fix some comments (#21617) 2020-10-12 15:02:38 +02:00
Péter Szilágyi
a15d71a255
core/state/snapshot: stop generator if it hits missing trie nodes (#21649)
* core/state/snapshot: exit Geth if generator hits missing trie nodes

* core/state/snapshot: error instead of hard die on generator fault

* core/state/snapshot: don't enable logging on the tests
2020-10-05 11:52:36 +03:00
Péter Szilágyi
eeaf191633
core, eth, trie: prepare trie sync for path based operation 2020-09-02 13:21:32 +03:00
Péter Szilágyi
d8da0b3d81
core/state, eth, trie: stabilize memory use, fix memory leak 2020-08-26 13:05:06 +03:00
Péter Szilágyi
3ee91b9f2e
core/state/snapshot: reduce disk layer depth during generation 2020-08-24 13:22:36 +03:00
gary rong
87c0ba9213
core, eth, les, trie: add a prefix to contract code (#21080) 2020-08-21 15:10:40 +03:00
Giuseppe Bertone
2ff464b29d
core/state: fixed some comments (#21450) 2020-08-19 09:54:21 +03:00
gary rong
93da0cf8a1
cmd, core, eth, light, trie: dump clean cache periodically (#20391)
* cmd, core, eth, light, trie: dump clean cache periodically

* eth: update config

* trie: minor fix

* core, trie: address comments

* eth: remove useless

* trie: print clean cache dump start too

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2020-07-28 16:30:31 +03:00
Martin Holst Swende
295693759e
core/vm: less allocations for various call variants (#21222)
* core/vm/runtime/tests: add more benchmarks

* core/vm: initial work on improving alloc count for calls to precompiles

name                                  old time/op    new time/op    delta
SimpleLoop/identity-precompile-10M-6     117ms ±75%      43ms ± 1%  -63.09%  (p=0.008 n=5+5)
SimpleLoop/loop-10M-6                   79.6ms ± 4%    70.5ms ± 1%  -11.42%  (p=0.008 n=5+5)

name                                  old alloc/op   new alloc/op   delta
SimpleLoop/identity-precompile-10M-6    24.4MB ± 0%     4.9MB ± 0%  -79.94%  (p=0.008 n=5+5)
SimpleLoop/loop-10M-6                   13.2kB ± 0%    13.2kB ± 0%     ~     (p=0.357 n=5+5)

name                                  old allocs/op  new allocs/op  delta
SimpleLoop/identity-precompile-10M-6      382k ± 0%      153k ± 0%  -59.99%  (p=0.000 n=5+4)
SimpleLoop/loop-10M-6                     40.0 ± 0%      40.0 ± 0%     ~     (all equal)

* core/vm: don't allocate big.int for touch

name                                  old time/op    new time/op    delta
SimpleLoop/identity-precompile-10M-6    43.3ms ± 1%    42.4ms ± 7%     ~     (p=0.151 n=5+5)
SimpleLoop/loop-10M-6                   70.5ms ± 1%    76.7ms ± 1%   +8.67%  (p=0.008 n=5+5)

name                                  old alloc/op   new alloc/op   delta
SimpleLoop/identity-precompile-10M-6    4.90MB ± 0%    2.46MB ± 0%  -49.83%  (p=0.008 n=5+5)
SimpleLoop/loop-10M-6                   13.2kB ± 0%    13.2kB ± 1%     ~     (p=0.571 n=5+5)

name                                  old allocs/op  new allocs/op  delta
SimpleLoop/identity-precompile-10M-6      153k ± 0%       76k ± 0%  -49.98%  (p=0.029 n=4+4)
SimpleLoop/loop-10M-6                     40.0 ± 0%      40.0 ± 0%     ~     (all equal)

* core/vm: reduce allocs in staticcall

name                                  old time/op    new time/op    delta
SimpleLoop/identity-precompile-10M-6    42.4ms ± 7%    37.5ms ± 6%  -11.68%  (p=0.008 n=5+5)
SimpleLoop/loop-10M-6                   76.7ms ± 1%    69.1ms ± 1%   -9.82%  (p=0.008 n=5+5)

name                                  old alloc/op   new alloc/op   delta
SimpleLoop/identity-precompile-10M-6    2.46MB ± 0%    0.02MB ± 0%  -99.35%  (p=0.008 n=5+5)
SimpleLoop/loop-10M-6                   13.2kB ± 1%    13.2kB ± 0%     ~     (p=0.143 n=5+5)

name                                  old allocs/op  new allocs/op  delta
SimpleLoop/identity-precompile-10M-6     76.4k ± 0%      0.1k ± 0%     ~     (p=0.079 n=4+5)
SimpleLoop/loop-10M-6                     40.0 ± 0%      40.0 ± 0%     ~     (all equal)

* trie: better use of hasher keccakState

* core/state/statedb: reduce allocations in getDeletedStateObject

* core/vm: reduce allocations in all call derivates

* core/vm: reduce allocations in call variants

- Make returnstack `uint32`
- Use a `sync.Pool` of `stack`s

* core/vm: fix tests

* core/vm: goimports

* core/vm: tracer fix + staticcall gas fix

* core/vm: add back snapshot to staticcall

* core/vm: review concerns + make returnstack pooled + enable returndata in traces

* core/vm: fix some test tracer method signatures

* core/vm: run gencodec, minor comment polish

Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2020-07-16 15:06:19 +03:00
gary rong
6eef141aef
les: historical data garbage collection (#19570)
This change introduces garbage collection for the light client. Historical
chain data is deleted periodically. If you want to disable the GC, use
the --light.nopruning flag.
2020-07-13 11:02:54 +02:00
Martin Holst Swende
e376d2fb31
cmd/evm: add state transition tool for testing (#20958)
This PR implements the EVM state transition tool, which is intended
to be the replacement for our retesteth client implementation.
Documentation is present in the cmd/evm/README.md file.

Co-authored-by: Felix Lange <fjl@twurst.com>
2020-06-30 10:12:51 +02:00
Péter Szilágyi
80e887d7bf
core/state: avoid escape analysis fault when accessing cached state 2020-06-08 16:11:37 +03:00
Martin Michlmayr
4f2784b38f
all: fix typos in comments (#21118) 2020-05-25 10:21:28 +02:00
Péter Szilágyi
0b2edf05bb
core/state: make GetCodeSize mirror GetCode implementation wise 2020-05-11 10:28:56 +03:00
Martin Holst Swende
82f9ed49fa
core/state: avoid statedb.dbErr due to emptyCode (#21051)
* core/state: more verbose stateb errors

* core/state: fix flaw

* core/state: fixed lint

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
2020-05-08 21:52:20 +03:00
Martin Holst Swende
b0b65d017f
core/state: abort commit if read errors have occurred (#21039)
This finally adds the error check that the documentation of StateDB.dbErr
promises to do. dbErr was added in 9e5f03b6c (June 2017), and the check was
already missing in that commit. We somehow survived without it for three years.
2020-05-07 15:13:34 +02:00
Martin Holst Swende
1152f45849
core/state: include zero-address in state dump if present (#21038)
* Include 0x0000 address into the dump if it is present

* core/state: go fmt

Co-authored-by: Alexey Akhunov <akhounov@gmail.com>
2020-05-07 16:06:31 +03:00
gary rong
85944c2561
core/state/snapshot: fix typo (#21037) 2020-05-07 10:07:59 +03:00
Péter Szilágyi
90af6dae6e
core/state/snapshot: don't create storage list for non-existing accounts 2020-05-06 17:22:38 +03:00
Péter Szilágyi
da59147014
core/state/snapshot: release iterator after verification 2020-05-04 15:14:08 +03:00
gary rong
2337aa64eb
core/state/snapshot: fix trie generator reporter (#21004) 2020-04-30 10:43:50 +03:00
Péter Szilágyi
4b6f6ffe23
core/state/snapshot: fix journal nil deserialziation 2020-04-29 18:00:29 +03:00
gary rong
26d271dfbb
core/state/snapshot: implement storage iterator (#20971)
* core/state/snapshot: implement storage iterator

* core/state/snapshot, tests: implement helper function

* core/state/snapshot: fix storage issue

If an account is deleted in the tx_1 but recreated in the tx_2,
the it can happen that in this diff layer, both destructedSet
and storageData records this account. In this case, the storage
iterator should be able to iterate the slots belong to new account
but disable further iteration in deeper layers(belong to old account)

* core/state/snapshot: address peter and martin's comment

* core/state: address comments

* core/state/snapshot: fix test
2020-04-29 12:53:08 +03:00
gary rong
8a2e8faadd
core/state/snapshot: fix binary iterator (#20970) 2020-04-24 14:43:49 +03:00
gary rong
b9df7ecdc3
all: seperate consensus error and evm internal error (#20830)
* all: seperate consensus error and evm internal error

There are actually two types of error will be returned when
a tranaction/message call is executed: (a) consensus error
(b) evm internal error. The former should be converted to
a consensus issue, e.g. The sender doesn't enough asset to
purchase the gas it specifies. The latter is allowed since
evm itself is a blackbox and internal error is allowed to happen.

This PR emphasizes the difference by introducing a executionResult
structure. The evm error is embedded inside. So if any error
returned, it indicates consensus issue happens.

And also this PR improve the `EstimateGas` API to return the concrete
revert reason if the transaction always fails

* all: polish

* accounts/abi/bind/backends: add tests

* accounts/abi/bind/backends, internal: cleanup error message

* all: address comments

* core: fix lint

* accounts, core, eth, internal: address comments

* accounts, internal: resolve revert reason if possible

* accounts, internal: address comments
2020-04-22 11:25:36 +03:00
Martin Holst Swende
c036fe35a8
core/state/snapshot: make difflayer account iterator seek operation inclusive 2020-04-21 16:26:02 +02:00
Boqin Qin
7599999dcd
snapshot: add Unlock before return (#20948)
* Forget Unlock in snapshot

* Remove Unlock before panic
2020-04-21 11:11:38 +03:00
Martin Holst Swende
6402c42b67
all: simplify and fix database iteration with prefix/start (#20808)
* core/state/snapshot: start fixing disk iterator seek

* ethdb, rawdb, leveldb, memorydb: implement iterators with prefix and start

* les, core/state/snapshot: iterator fixes

* all: remove two iterator methods

* all: rename Iteratee.NewIteratorWith -> NewIterator

* ethdb: fix review concerns
2020-04-15 14:08:53 +03:00
Wenbiao Zheng
03fe9de2cb
eth: add debug_accountRange API (#19645)
This new API allows reading accounts and their content by address range.

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Felix Lange <fjl@twurst.com>
2020-03-31 12:08:44 +02:00
Martin Holst Swende
76eed9e50d
snapshotter/tests: verify snapdb post-state against trie (#20812)
* core/state/snapshot: basic trie-to-hash implementation

* tests: validate snapshot after test

* core/state/snapshot: fix review concerns
2020-03-31 10:25:41 +02:00
Martin Holst Swende
074efe6c8d
core: fix two snapshot iterator flaws, decollide snap storage prefix
* core/state/snapshot/iterator: fix two disk iterator flaws

* core/rawdb: change SnapshotStoragePrefix to avoid prefix collision with preimagePrefix
2020-03-23 12:34:27 +02:00
Péter Szilágyi
fab0ee3bfa
core/state/snapshot: fix various iteration issues due to destruct set 2020-03-04 15:06:04 +02:00
Martin Holst Swende
eff7cfbb03
core/state/snapshot: handle deleted accounts in fast iterator 2020-03-04 14:38:55 +02:00
Péter Szilágyi
328de180a7
core/state: fix resurrection state clearing and access 2020-03-04 10:22:48 +02:00
Péter Szilágyi
dcb22a9f99
core/state: fix account root hash update point 2020-03-03 16:55:06 +02:00
Péter Szilágyi
a4cf279494
core/state: extend snapshotter to handle account resurrections 2020-03-03 15:52:00 +02:00
Péter Szilágyi
6e05ccd845
core/state/snapshot, tests: sync snap gen + snaps in consensus tests 2020-03-03 09:17:13 +02:00
Péter Szilágyi
92ec07d63b
core/state: fix an account resurrection issue 2020-02-27 15:03:10 +02:00
Péter Szilágyi
06d4470b41
core: fix broken tests due to API changes + linter 2020-02-25 12:51:16 +02:00
Martin Holst Swende
19099421dc
core/state/snapshot: faster account iteration, CLI integration 2020-02-25 12:51:15 +02:00
Péter Szilágyi
6ddb92a089
core/state/snapshot: full featured account iteration 2020-02-25 12:51:14 +02:00
Martin Holst Swende
e570835356
core/state/snapshot: implement iterator priority for fast direct data lookup 2020-02-25 12:51:14 +02:00
Péter Szilágyi
e567675473
core/state/snapshot: move iterator out into its own files 2020-02-25 12:51:13 +02:00
Martin Holst Swende
7e38996301
core/state/snapshot: implement snapshot layer iteration 2020-02-25 12:51:12 +02:00
Péter Szilágyi
22c494d399
core/state/snapshot: bloom, metrics and prefetcher fixes 2020-02-25 12:51:11 +02:00
Martin Holst Swende
3ad4335acc
core/state/snapshot: node behavioural difference on bloom content 2020-02-25 12:51:11 +02:00
Péter Szilágyi
fd39f722a3
core: journal the snapshot inside leveldb, not a flat file 2020-02-25 12:51:10 +02:00
Martin Holst Swende
d5d7c0c24b
core/state/snapshot: fix difflayer origin-initalization after flatten 2020-02-25 12:51:09 +02:00
Péter Szilágyi
351a5903b0
core/rawdb, core/state/snapshot: runtime snapshot generation 2020-02-25 12:51:08 +02:00
Martin Holst Swende
f300c0df01
core/state/snapshot: replace bigcache with fastcache 2020-02-25 12:51:08 +02:00
Péter Szilágyi
d754091a87
core/state/snapshot: unlink snapshots from blocks, quad->linear cleanup 2020-02-25 12:51:07 +02:00
Martin Holst Swende
cdf3f016df
snapshot: iteration and buffering optimizations 2020-02-25 12:51:06 +02:00
Péter Szilágyi
d7d81d7c12
core/state/snapshot: extract and split cap method, cover corners 2020-02-25 12:51:05 +02:00
Martin Holst Swende
e146fbe4e7
core/state: lazy sorting, snapshot invalidation 2020-02-25 12:51:05 +02:00
Péter Szilágyi
542df8898e
core: initial version of state snapshots 2020-02-25 12:51:04 +02:00
Martin Holst Swende
5a9c96454e
trie: separate hashes and committer, collapse on commit
* trie:  make db insert use size instead of full data

* core/state: minor optimization in state onleaf allocation

* trie: implement dedicated committer and hasher

* trie: use dedicated committer/hasher

* trie: linter nitpicks

* core/state, trie: avoid unnecessary storage trie load+commit

* trie: review feedback, mainly docs + minor changes

* trie: start deprecating old hasher

* trie: fix misspell+lint

* trie: deprecate hasher.go, make proof framework use new hasher

* trie: rename pure_committer/hasher to committer/hasher

* trie, core/state: fix review concerns

* trie: more review concerns

* trie: make commit collapse into hashnode, don't touch dirtyness

* trie: goimports fixes

* trie: remove panics
2020-02-03 17:28:30 +02:00
Martin Holst Swende
fc392395fb
core/state: add more verbosity to panic 2020-01-10 10:12:32 +01:00
Felix Lange
dd21f079e8
core/state: fix staticcheck warnings (#20357)
Also remove dependency on gopkg.in/check.v1 in tests.
2019-11-22 15:56:05 +01:00
Felix Lange
689486449d build: use golangci-lint (#20295)
* build: use golangci-lint

This changes build/ci.go to download and run golangci-lint instead
of gometalinter.

* core/state: fix unnecessary conversion

* p2p/simulations: fix lock copying (found by go vet)

* signer/core: fix unnecessary conversions

* crypto/ecies: remove unused function cmpPublic

* core/rawdb: remove unused function print

* core/state: remove unused function xTestFuzzCutter

* core/vm: disable TestWriteExpectedValues in a different way

* core/forkid: remove unused function checksum

* les: remove unused type proofsData

* cmd/utils: remove unused functions prefixedNames, prefixFor

* crypto/bn256: run goimports

* p2p/nat: fix goimports lint issue

* cmd/clef: avoid using unkeyed struct fields

* les: cancel context in testRequest

* rlp: delete unreachable code

* core: gofmt

* internal/build: simplify DownloadFile for Go 1.11 compatibility

* build: remove go test --short flag

* .travis.yml: disable build cache

* whisper/whisperv6: fix ineffectual assignment in TestWhisperIdentityManagement

* .golangci.yml: enable goconst and ineffassign linters

* build: print message when there are no lint issues

* internal/build: refactor download a bit
2019-11-18 10:49:17 +02:00
gary rong
ecdbb402ee trie: remove node ordering slice in sync batch (#19929)
When we flush a batch of trie nodes into database during the state
sync, we should guarantee that all children should be flushed before
parent.

Actually the trie nodes commit order is strict by: children -> parent.
But when we flush all ready nodes into db, we don't need the order
anymore since

    (1) they are all ready nodes (no more dependency)
    (2) underlying database provides write atomicity
2019-10-28 18:50:11 +01:00