* feat!: Add hooks to allow app modules to add things to state-sync (#10961)
## Description
Closes: #7340
- Support registering multiple snapshotters in snapshot manager.
- Append the extension snapshotters to existing snapshot stream.
~TODO: testing.~
- existing tests are fixed
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(cherry picked from commit 7e18e9f1bf)
# Conflicts:
# api/cosmos/base/snapshots/v1beta1/snapshot.pulsar.go
# server/mock/store.go
# snapshots/helpers_test.go
# snapshots/manager.go
# store/rootmulti/store_test.go
# store/v2/multi/store.go
* fix conflicts
* avoid api breakage
* changelog
* fix: rootmulti's Restore don't return the next unknown item as expected (#11286)
## Description
Solution:
- return the next unknown item and add a unit test to ensure that.
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Co-authored-by: yihuang <huang@crypto.com>
* feat: add get all versions (#11124)
* add get all versions
* add changelog entry
(cherry picked from commit d624a65679)
# Conflicts:
# CHANGELOG.md
* fix conflicts and remove interface break
Co-authored-by: Marko <marbar3778@yahoo.com>
* fix: add concurrency fence on traceContext to avoid data races (#11117)
See #11114 for more info.
## Description
Closes: #11114
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(cherry picked from commit 4addb7368c)
# Conflicts:
# CHANGELOG.md
* Update CHANGELOG.md
Co-authored-by: Gianguido Sora <gsora@users.noreply.github.com>
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
* fix: use full gas on overflow (#10897)
## Description
Investigating missing gas consumption
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(cherry picked from commit b0d3ef9650)
# Conflicts:
# x/auth/middleware/fee.go
# x/auth/middleware/middleware.go
* Update CHANGELOG.md
* conflict fix
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
* perf: store/cachekv: avoid a map lookup if unnecessary, clear maps fast (#10486)
We can shave off some milliseconds, but also cut down some Megabytes of
RAM consumed by only requesting from the cache if needed, but also using
the map clearing idiom which is recognized by the compiler to make fast
code.
Noticed in profiles from Tharsis' Ethermint per https://github.com/tharsis/ethermint/issues/710
- Before
* Memory profiles
```shell
19.50MB 19.50MB 134: store.cache = make(map[string]*cValue)
18.50MB 18.50MB 135: store.deleted = make(map[string]struct{})
15.50MB 15.50MB 136: store.unsortedCache = make(map[string]struct{})
```
* CPU profiles
```go
. . 118: // TODO: Consider allowing usage of Batch, which would allow the write to
. . 119: // at least happen atomically.
150ms 150ms 120: for _, key := range keys {
220ms 3.64s 121: cacheValue := store.cache[key]
. . 122:
. . 123: switch {
. 250ms 124: case store.isDeleted(key):
. . 125: store.parent.Delete([]byte(key))
210ms 210ms 126: case cacheValue.value == nil:
. . 127: // Skip, it already doesn't exist in parent.
. . 128: default:
240ms 27.94s 129: store.parent.Set([]byte(key), cacheValue.value)
. . 130: }
. . 131: }
...
10ms 60ms 134: store.cache = make(map[string]*cValue)
. 40ms 135: store.deleted = make(map[string]struct{})
. 50ms 136: store.unsortedCache = make(map[string]struct{})
. 110ms 137: store.sortedCache = dbm.NewMemDB()
```
- After
* Memory profiles
```shell
. . 130: // Clear the cache using the map clearing idiom
. . 131: // and not allocating fresh objects.
. . 132: // Please see https://bencher.orijtech.com/perfclinic/mapclearing/
. . 133: for key := range store.cache {
. . 134: delete(store.cache, key)
. . 135: }
. . 136: for key := range store.deleted {
. . 137: delete(store.deleted, key)
. . 138: }
. . 139: for key := range store.unsortedCache {
. . 140: delete(store.unsortedCache, key)
. . 141: }
```
* CPU profiles
```shell
. . 111: // TODO: Consider allowing usage of Batch, which would allow the write to
. . 112: // at least happen atomically.
110ms 110ms 113: for _, key := range keys {
. 210ms 114: if store.isDeleted(key) {
. . 115: // We use []byte(key) instead of conv.UnsafeStrToBytes because we cannot
. . 116: // be sure if the underlying store might do a save with the byteslice or
. . 117: // not. Once we get confirmation that .Delete is guaranteed not to
. . 118: // save the byteslice, then we can assume only a read-only copy is sufficient.
. . 119: store.parent.Delete([]byte(key))
. . 120: continue
. . 121: }
. . 122:
50ms 2.45s 123: cacheValue := store.cache[key]
910ms 920ms 124: if cacheValue.value != nil {
. . 125: // It already exists in the parent, hence delete it.
120ms 29.56s 126: store.parent.Set([]byte(key), cacheValue.value)
. . 127: }
. . 128: }
. . 129:
. . 130: // Clear the cache using the map clearing idiom
. . 131: // and not allocating fresh objects.
. . 132: // Please see https://bencher.orijtech.com/perfclinic/mapclearing/
. 210ms 133: for key := range store.cache {
. . 134: delete(store.cache, key)
. . 135: }
. 10ms 136: for key := range store.deleted {
. . 137: delete(store.deleted, key)
. . 138: }
. 170ms 139: for key := range store.unsortedCache {
. . 140: delete(store.unsortedCache, key)
. . 141: }
. 260ms 142: store.sortedCache = dbm.NewMemDB()
. 10ms 143:}
```
Fixes#10487
Updates https://github.com/tharsis/ethermint/issues/710
(cherry picked from commit 5399e72f32)
# Conflicts:
# CHANGELOG.md
* fix conflicts
Co-authored-by: Emmanuel T Odeke <emmanuel@orijtech.com>
Co-authored-by: Aleksandr Bezobchuk <aleks.bezobchuk@gmail.com>
* fix!: Charge gas for key length in gas meter (#10247)
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## Description
Closes: #10243
Charge the per-byte fee for the key length as for the values in gas meter
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(cherry picked from commit dcf67d7ee4)
# Conflicts:
# CHANGELOG.md
# store/gaskv/store.go
# store/gaskv/store_test.go
* Move to state machine breaking
* revert deletion
* Fix test
Co-authored-by: likhita-809 <78951027+likhita-809@users.noreply.github.com>
Co-authored-by: marbar3778 <marbar3778@yahoo.com>
Co-authored-by: Amaury M <1293565+amaurym@users.noreply.github.com>
* feat: add configurable iavl cache size (#10561)
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## Description
Closes: #1714
Bump default cache size to 50mb from 10kb. Allow node operators to set cache size.
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(cherry picked from commit 76dde98536)
# Conflicts:
# CHANGELOG.md
# store/rootmulti/store.go
* fix conflicts
* fix conflicts++
* Update CHANGELOG.md
Co-authored-by: Marko <marbar3778@yahoo.com>
Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>
* fix: Charge gas even when there are no entries in gaskv (#10218)
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## Description
Closes: #10127
Charge gas for seeks with empty ranges
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(cherry picked from commit 4c3aa4dbac)
# Conflicts:
# CHANGELOG.md
* Fix conflicts
Co-authored-by: likhita-809 <78951027+likhita-809@users.noreply.github.com>
Co-authored-by: Amaury M <1293565+amaurym@users.noreply.github.com>
* chore: Iavl iterator (#10544)
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## Description
Closes: #10335
This PR adds a custom version of cosmos/iavl(cosmos/iavl#440) that removes the usage of channel-based approach on iterating IAVL tree.
replaces https://github.com/cosmos/cosmos-sdk/pull/10404
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(cherry picked from commit b5dd3525bb)
# Conflicts:
# go.mod
# go.sum
* solve conflicts
Co-authored-by: Marko <marbar3778@yahoo.com>
* chore: Add "Since:" on proto doc comments (#10434)
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## Description
ref: https://github.com/cosmos/cosmos-sdk/discussions/10406#discussioncomment-1533289
For clients to know whether a protobuf feature is available for a certain SDK version, we decided to use the [`@since` doc comment](https://www.oracle.com/technical-resources/articles/java/javadoc-tool.html#@since) inside protobuf files.
<!-- Add a description of the changes that this PR introduces and the files that
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(cherry picked from commit 0a3660d2ac)
# Conflicts:
# docs/core/proto-docs.md
# proto/cosmos/bank/v1beta1/bank.proto
# proto/cosmos/tx/v1beta1/tx.proto
# types/tx/tx.pb.go
# x/bank/types/bank.pb.go
* Fix conflicts
Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>
* fix!: store/cachekv: reduce growth factor for iterator ranging using binary searches (#10024)
This change takes the observation that previous dbm.IsKeyInDomain
which searches for [start, end) was performing too many byteslice
comparisons. Instead we start off by sorting all the values in the
store.unsortedCache, and then apply a modified binary search to
look for values that fall within the domain [start, end)
The procedure involves:
* iterating over all items to build a list of all keys -- O(n)
* invoking sort.Strings immediately, of which
we anyways eventually invoke sort.Slice(unsorted, ...) which uses
Quicksort -- O(nlog(n)) or O(n^2) worst case
* invoking modified binary search which is O(log(n)) * 2 ~ O(log(n))
to search for the [start, end) range indices
for a total approximate complexity of:
Best case: O(n) + O(n(log(n))) + O(log(n)) ~= O(nlog(n))
Worst case: O(n) + O(n^2) + O(log(n)) ~= O(n^2)
instead of previously:
* iterating over all the unsorted items and invoking dbm.IsKeyInDomain:
bytes.Compare ~ O(n) + O(n*s*e) where s -- len(start), e -- len(end)
for overall complexity of O(n*s*e)
* invoking sort.Slice(unsorted, ...) which uses
Quicksort -- O(nlog(n)) or O(n^2) worst case
for a total approximate complexity of:
Best case: O(n) + O(n*s*e) + O(nlog(n)) ~= O(n*s*e) ~ O(n^2)
Worst case: O(n) + O(n*s*e) + O(n^2) ~= O(n*s*e) ~ O(n^2)
Ordinarily we'd combine the n*s*e to be n*m, but really the comparisons
between (start & key, end & key) are profound that it makes sense to
keep them as factors. The overall benchmark results vindicate our choice
of isolating the factors (n*s*e)
The benchmarks show that as the number of keys to iterate grows, the
new code grows gracefully in a somewhat linear growth, notice for
CAcheKVStoreIterator*, when we go from:
* 1,000 to 10,000 keys: 120us->1,600us (13X) old vs 95us->900us (9.47X) new
* 50,000 to 100,000 keys: 19ms->100ms (5.3X) old vs 5.5ms->17ms (3X) new
```shell
time/op
GetValidator-8 5.8ms ± 2% 4.7ms ± 1% -17.69% (p=0.000 n=10+10)
OneBankSendTxPerBlock-8 3.2ms ± 2% 2.8ms ± 1% -10.80% (p=0.000 n=7+10)
OneBankMultiSendTxPerBlock-8 3.1ms ± 3% 2.9ms ± 2% -8.36% (p=0.000 n=10+10)
AccountMapperSetAccount-8 8.6µs ± 1% 7.8µs ± 1% -9.74% (p=0.000 n=10+10)
CacheKVStoreIterator500-8 64µs ± 6% 51µs ± 6% -19.22% (p=0.000 n=10+9)
CacheKVStoreIterator1000-8 0.12ms ± 4% 95µs ± 4% -19.55% (p=0.000 n=10+10)
CacheKVStoreIterator10000-8 1.6ms ± 4% 0.90ms ± 1% -42.11% (p=0.000 n=10+10)
CacheKVStoreIterator50000-8 19ms ± 5% 5.5ms ± 1% -71.35% (p=0.000 n=10+10)
CacheKVStoreIterator100000-8 0.10s ± 23% 17ms ± 7% -83.44% (p=0.000 n=10+10)
CacheKVStoreGetNoKeyFound-8 1.3µs ± 6% 0.90µs ± 3% -31.19% (p=0.000 n=9+9)
CacheKVStoreGetKeyFound-8 0.66µs ± 6% 0.56µs ± 2% -14.81% (p=0.000 n=10+9)
alloc/op
B/op
BlockProvision-8 0.11kB ± 0% 0.10kB ± 0% -7.14% (p=0.000 n=10+10)
CacheKVStoreIterator50000-8 0.89MB ± 6% 0.53MB ± 1% -40.85% (p=0.000 n=10+10)
CacheKVStoreIterator100000-8 6.3MB ± 23% 1.6MB ± 6% -74.17% (p=0.000 n=10+10)
CacheKVStoreGetNoKeyFound-8 0.26kB ± 0% 0.23kB ± 1% -11.53% (p=0.000 n=10+8)
allocs/op (count)
AccountMapperSetAccount-8 42 ± 0% 38 ± 0% -9.52% (p=0.000 n=10+10)
BlockProvision-8 6.0 ± 0% 5.0 ± 0% -16.67% (p=0.000 n=10+10)
CacheKVStoreIterator1000-8 14 ± 0% 13 ± 0% -7.14% (p=0.002 n=8+10)
CacheKVStoreIterator10000-8 0.15k ± 2% 76 ± 1% -49.00% (p=0.000 n=7+10)
CacheKVStoreIterator50000-8 8.9k ± 11% 2.0k ± 2% -77.60% (p=0.000 n=10+10)
CacheKVStoreIterator100000-8 0.10M ± 26% 13k ± 12% -86.89% (p=0.000 n=10+10)
CacheKVStoreGetNoKeyFound-8 5.0 ± 0% 4.0 ± 0% -20.00% (p=0.000 n=10+10)
```
Note: Purposefully using a commit off master that doesn't
include the buggy code that caused x/bank.BenchmarkOneBank* to fail
per issue https://github.com/cosmos/cosmos-sdk/issues/10023
Updates #9876
/cc @cuonglm @kirbyquerby
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## Description
Closes: #XXXX
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---
### Author Checklist
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please add links to any relevant follow up issues.*
I have...
- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [x] added `!` to the type prefix if API or client breaking change
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(cherry picked from commit 3c85944061)
# Conflicts:
# CHANGELOG.md
* fix conflict
Co-authored-by: Emmanuel T Odeke <emmanuel@orijtech.com>
Co-authored-by: marbar3778 <marbar3778@yahoo.com>
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
* fix: removed potential sources of non-determinism in upgrades (#10189)
forced deterministic iteration order in upgrade migrations, x/upgrade and store during upgrades
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
(cherry picked from commit f757c90f61)
# Conflicts:
# CHANGELOG.md
* Update CHANGELOG.md
Co-authored-by: Tomas Tauber <2410580+tomtau@users.noreply.github.com>
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
* perf: Remove telemetry from wrappings of store (#10077)
## Description
Closes: #10072
Significantly speeds up all the GasKvStore and CacheKVStore operations. Now Get/Set for these stores no longer even appears on my Osmosis benchmarks, saving ~8% of those benchmark's times. (Only one of the internal methods for setCacheValue appear -- will try to separately get a PR for reducing those memory allocations if #10026 is merged)
Talked to @alexanderbez about this on Discord, and he seemed in agreement with the approach of removing telemetry from these stores.
This does technically change telemetry, but I don't know if this is / should be considered a breaking change?
---
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(cherry picked from commit 78b151dd97)
# Conflicts:
# CHANGELOG.md
* fix changelog
Co-authored-by: Dev Ojha <ValarDragon@users.noreply.github.com>
Co-authored-by: Robert Zaremba <robert@zaremba.ch>
* feat: add RefundGas function to GasMeter
* changelog
* add comment about use case
* Apply suggestions from code review
Co-authored-by: Alessio Treglia <alessio@tendermint.com>
Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>
* StoreKVPair protobuf message definition and generated go types
* store WriteListener
* update MultiStore, CacheWrap, CacheWrapper interfaces
* adjust KVStores to fit new CacheWrapper interface
* new ListenKVStore
* adjust multistores to fit new MultiStore interface and enable wrapping returned KVStores with the new ListenKVStore
* typo fixes in adr
* ListenKV Store test
* update server mock KVStore and MultiStore
* multistore unit test; fix multistore constructor
* update changelog
* fix bug identified in CI
* improve codecov, minor fixes/adjustments
* review fixes
* review updates; flip set to delete in KVStorePair, updated proto-docs from running 'make proto-gen'
* Skips very noisy benchmarks that end up running only for b.N=1 because
their entire time is spent in setup, and varying parameters doesn't change
much given that the number of stores is what dominates the expense. To
ensure we can provide reliable benchmarks, progressively for the project,
skip these until there is a proper re-work of what the benchmarks need to do
* Previously sub-benchmarks: b.Run(...) did not b.ReportAllocs() due to a faulty
assumption that invoking b.ReportAllocs() at the top would be inherited by
all sub-benchmarks. This change fixes that
Fixes#8779Fixes#8855
Co-authored-by: Alessio Treglia <alessio@tendermint.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Reduces CPU burn by using a typed List to avoid the expensive type
assertions from using an interface. This is the only option for now
until Go makes generics generally available.
The change brings time spent on the time assertion cummulatively to:
580ms down from 6.88s
Explanation:
The type assertions were showing up heavily in profiles:
* Before this commit
```shell
Total: 42.18s
ROUTINE ======================== github.com/cosmos/cosmos-sdk/store/cachekv.newMemIterator
in /Users/emmanuelodeke/go/src/github.com/cosmos/cosmos-sdk/store/cachekv/memiterator.go
14.01s 18.87s (flat, cum) 44.74% of Total
. . 17: items []*kv.Pair
. . 18: ascending bool
. . 19:}
. . 20:
. . 21:func newMemIterator(start, end []byte, items *list.List, ascending bool) *memIterator {
. 620ms 22: itemsInDomain := make([]*kv.Pair, 0, items.Len())
. . 23:
. . 24: var entered bool
. . 25:
510ms 870ms 26: for e := items.Front(); e != nil; e = e.Next() {
6.85s 6.88s 27: item := e.Value.(*kv.Pair)
5.71s 8.19s 28: if !dbm.IsKeyInDomain(item.Key, start, end) {
120ms 120ms 29: if entered {
. . 30: break
. . 31: }
. . 32:
. . 33: continue
. . 34: }
. . 35:
820ms 980ms 36: itemsInDomain = append(itemsInDomain, item)
. . 37: entered = true
. . 38: }
. . 39:
. 1.21s 40: return &memIterator{
. . 41: start: start,
. . 42: end: end,
. . 43: items: itemsInDomain,
. . 44: ascending: ascending,
. . 45: }
```
and given that the list only uses that type, it is only right to lift the
code from container/list.List, and only modify Element.Value's type.
For emphasis, the code is basically just a retrofit of
container/list/list.go but with a typing, and we'll keep it as is
until perhaps Go1.17 or Go1.18 or when everyone uses Go1.17+ after
generics have landed.
* After this commit
```shell
Total: 45.25s
ROUTINE ======================== github.com/cosmos/cosmos-sdk/store/cachekv.newMemIterator
in /Users/emmanuelodeke/go/src/github.com/cosmos/cosmos-sdk/store/cachekv/memiterator.go
4.84s 6.77s (flat, cum) 14.96% of Total
. . 16: items []*kv.Pair
. . 17: ascending bool
. . 18:}
. . 19:
. . 20:func newMemIterator(start, end []byte, items *kv.List, ascending bool) *memIterator {
. 330ms 21: itemsInDomain := make([]*kv.Pair, 0, items.Len())
. . 22:
. . 23: var entered bool
. . 24:
60ms 160ms 25: for e := items.Front(); e != nil; e = e.Next() {
580ms 580ms 26: item := e.Value
3.68s 4.78s 27: if !dbm.IsKeyInDomain(item.Key, start, end) {
80ms 80ms 28: if entered {
. . 29: break
. . 30: }
. . 31:
. . 32: continue
. . 33: }
. . 34:
440ms 580ms 35: itemsInDomain = append(itemsInDomain, item)
. . 36: entered = true
. . 37: }
. . 38:
. 260ms 39: return &memIterator{
. . 40: start: start,
. . 41: end: end,
. . 42: items: itemsInDomain,
. . 43: ascending: ascending,
. . 44: }
```
Fixes#8810
After continuously profiling InitGensis with 100K accounts, it showed
pathologically slow code, that was the result of a couple of patterns:
* Unconditional and not always necessary map lookups
* O(n^2) sdk.AccAddressFromBech32 retrievals when the code is expensive,
during a quicksort
The remedy involved 4 parts:
* O(n) sdk.AccAddressFromBech32 invocations, down from O(n^2) in the quicksort
* Only doing map lookups when the domain key check has passed
* Using a black magic compiler technique of the map clearing idiom
* Zero allocation []byte<->string conversion
With 100K accounts, this brings InitGenesis down to ~6min, instead of
20+min, it reduces the sort code from ~7sec down to 50ms.
Also some simple benchmark reflect the change:
```shell
name old time/op new time/op delta
SanitizeBalances500-8 19.3ms ±10% 1.5ms ± 5% -92.46% (p=0.000 n=20+20)
SanitizeBalances1000-8 41.9ms ± 8% 3.0ms ±12% -92.92% (p=0.000 n=20+20)
name old alloc/op new alloc/op delta
SanitizeBalances500-8 9.05MB ± 6% 0.56MB ± 0% -93.76% (p=0.000 n=20+18)
SanitizeBalances1000-8 20.2MB ± 3% 1.1MB ± 0% -94.37% (p=0.000 n=20+19)
name old allocs/op new allocs/op delta
SanitizeBalances500-8 72.4k ± 6% 4.5k ± 0% -93.76% (p=0.000 n=20+20)
SanitizeBalances1000-8 162k ± 3% 9k ± 0% -94.40% (p=0.000 n=20+20)
```
The CPU profiles show the radical change as per
https://github.com/cosmos/cosmos-sdk/issues/7766#issuecomment-786671734
Later on, we shall do more profiling and fixes but for now this brings
down the run-time for InitGenesis.
Fixes#7766
Co-authored-by: Alessio Treglia <alessio@tendermint.com>
With this change, we'll get details on the number of
allocations performed by code. Later on when we have
continuous benchmarking infrastructure, this change
will prove useful to flag regressions.
Fixes#8459
Co-authored-by: Alessio Treglia <alessio@tendermint.com>
* Add state sync support
* fix incorrect test tempdir
* proto: move and update Protobuf schemas
* proto: lint fixes
* comment tweaks
* don't use type aliasing
* don't call .Error() when logging errors
* use create terminology instead of take for snapshots
* reuse chunk hasher
* simplify key encoding code
* track chunk index in Manager
* add restoreDone message for Manager
* add a ready channel to Snapshotter.Restore()
* add comment on streaming IO API
* use sdkerrors for error handling
* fix incorrect error
* tweak changelog
* syntax fix
* update test code after merge
* Add height in exported genesis
* +1
* Add test
* Refactor ctx in setupApp
* Use amino in export
* Use tmjson
* Add custom initialVersion (set to 0 for now)
* Add comment
* Add mount in initChainer
* app.LastBlockheight
* InitializeAndSeal in InitChain?
* Revert create store with initial version
* Update to latest iavl
* Check height in test
* Make it work
* Add more tests
* Rename interface
* Use struct isntead of 6 args
* Fix lint
* Remove stray fmt
* Revert go mod/sum
* Install iavl rc3
* Update comments
* Add fee in network
* Typo
* Fix logic in commit
* Fix tests
* Only set initial version on > 1
* Genesis block num = 1
* Fresh chain, genesis block = 0
* Add comments
* Revert Mutable/ImmutableTree
* Allow for zero height
* Fix restart
* Add comments
* Add comments, fix test
* Fix remaining one test
* Add panic test
* Update comment
* Add test for --height
* No cast
* Add check that genesis file exists
* Remove duplicate imports
* Fail early
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>
Co-authored-by: Jack Zampolin <jack.zampolin@gmail.com>
Co-authored-by: Cory <cjlevinson@gmail.com>
mergify[bot]
Federico Kunze
Ryan Christoffersen
Robert Zaremba
Cuong Manh Le
Alessio Treglia
Ian Norden
Emmanuel T Odeke
Albert Chon
Marko
Riccardo Montagnin
Aaron Craelius
Anil Kumar Kammari
Aleksandr Bezobchuk
vincent
Cory
Erik Grinaker
Amaury Martiny