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feat: add iavl-lazy-loading to enable lazy loading of iavl store
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improve start time of archive nodes.

Update CHANGELOG.md

fix test
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@yihuang
yihuang committed Jan 29, 2023
1 parent 6cf07f8 commit cc84e97
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Showing 17 changed files with 53 additions and 10 deletions.
1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -71,6 +71,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
* (mempool) [#14484](https://github.com/cosmos/cosmos-sdk/pull/14484) Add priority nonce mempool option for transaction replacement.
* (client) [#14509](https://github.com/cosmos/cosmos-sdk/pull/#14509) Added `AddKeyringFlags` function.
* (x/gov,cli) [#14718](https://github.com/cosmos/cosmos-sdk/pull/14718) Added `AddGovPropFlagsToCmd` and `ReadGovPropFlags` functions.
* (store) [#14189](https://github.com/cosmos/cosmos-sdk/pull/14189) Add config `iavl-lazy-loading` to enable lazy loading of iavl store, to improve start up time of archive nodes, add method `SetLazyLoading` to `CommitMultiStore` interface.

### Improvements

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5 changes: 5 additions & 0 deletions baseapp/options.go
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Expand Up @@ -75,6 +75,11 @@ func SetIAVLDisableFastNode(disable bool) func(*BaseApp) {
return func(bapp *BaseApp) { bapp.cms.SetIAVLDisableFastNode(disable) }
}

// SetIAVLLazyLoading enables/disables lazy loading of the IAVL store.
func SetIAVLLazyLoading(lazyLoading bool) func(*BaseApp) {
return func(bapp *BaseApp) { bapp.cms.SetLazyLoading(lazyLoading) }
}

// SetInterBlockCache provides a BaseApp option function that sets the
// inter-block cache.
func SetInterBlockCache(cache storetypes.MultiStorePersistentCache) func(*BaseApp) {
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1 change: 1 addition & 0 deletions go.mod
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Expand Up @@ -180,6 +180,7 @@ replace (
cosmossdk.io/collections => ./collections
github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0

github.com/cosmos/iavl => github.com/yihuang/iavl v0.16.1-0.20230129205638-7f05087e4c78
// dgrijalva/jwt-go is deprecated and doesn't receive security updates.
// TODO: remove it: https://github.com/cosmos/cosmos-sdk/issues/13134
github.com/dgrijalva/jwt-go => github.com/golang-jwt/jwt/v4 v4.4.2
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6 changes: 3 additions & 3 deletions go.sum
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Expand Up @@ -213,8 +213,6 @@ github.com/cosmos/gogoproto v1.4.3 h1:RP3yyVREh9snv/lsOvmsAPQt8f44LgL281X0IOIhhc
github.com/cosmos/gogoproto v1.4.3/go.mod h1:0hLIG5TR7IvV1fme1HCFKjfzW9X2x0Mo+RooWXCnOWU=
github.com/cosmos/gorocksdb v1.2.0 h1:d0l3jJG8M4hBouIZq0mDUHZ+zjOx044J3nGRskwTb4Y=
github.com/cosmos/gorocksdb v1.2.0/go.mod h1:aaKvKItm514hKfNJpUJXnnOWeBnk2GL4+Qw9NHizILw=
github.com/cosmos/iavl v0.20.0-alpha1 h1:tP+Qv4MdnLVmrrhIAGpLRQOOhFGgci0hpJ4VI3xtHhM=
github.com/cosmos/iavl v0.20.0-alpha1/go.mod h1:25YJYzilTErJ2mKfNB3xyWL9IsCwEQdNzdIutg2mh3U=
github.com/cosmos/keyring v1.2.0 h1:8C1lBP9xhImmIabyXW4c3vFjjLiBdGCmfLUfeZlV1Yo=
github.com/cosmos/keyring v1.2.0/go.mod h1:fc+wB5KTk9wQ9sDx0kFXB3A0MaeGHM9AwRStKOQ5vOA=
github.com/cosmos/ledger-cosmos-go v0.13.0 h1:ex0CvCxToSR7j5WjrghPu2Bu9sSXKikjnVvUryNnx4s=
Expand Down Expand Up @@ -898,6 +896,8 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmvncFJFHJ7Gvn9wZArjbV5/FppcK2fKk/tI=
github.com/yihuang/iavl v0.16.1-0.20230129205638-7f05087e4c78 h1:rl9smnrBzEwXv3SJHVvZftnpRt1xSEfPaWNtEl/R8zk=
github.com/yihuang/iavl v0.16.1-0.20230129205638-7f05087e4c78/go.mod h1:X9PKD3J0iFxdmgNLa7b2LYWdsGd90ToV5cAONApkEPw=
github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FBNExI05xg=
github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82/go.mod h1:lgjkn3NuSvDfVJdfcVVdX+jpBxNmX4rDAzaS45IcYoM=
github.com/yudai/pp v2.0.1+incompatible/go.mod h1:PuxR/8QJ7cyCkFp/aUDS+JY727OFEZkTdatxwunjIkc=
Expand Down Expand Up @@ -1240,8 +1240,8 @@ golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8T
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 h1:H2TDz8ibqkAF6YGhCdN3jS9O0/s90v0rJh3X/OLHEUk=
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
gonum.org/v1/gonum v0.8.2 h1:CCXrcPKiGGotvnN6jfUsKk4rRqm7q09/YbKb5xCEvtM=
gonum.org/v1/gonum v0.8.2/go.mod h1:oe/vMfY3deqTw+1EZJhuvEW2iwGF1bW9wwu7XCu0+v0=
gonum.org/v1/gonum v0.11.0 h1:f1IJhK4Km5tBJmaiJXtk/PkL4cdVX6J+tGiM187uT5E=
gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
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4 changes: 4 additions & 0 deletions server/config/config.go
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Expand Up @@ -88,6 +88,9 @@ type BaseConfig struct {
// IAVLDisableFastNode enables or disables the fast sync node.
IAVLDisableFastNode bool `mapstructure:"iavl-disable-fastnode"`

// IAVLLazyLoading enable/disable the lazy loading of iavl store.
IAVLLazyLoading bool `mapstructure:"iavl-lazy-loading"`

// AppDBBackend defines the type of Database to use for the application and snapshots databases.
// An empty string indicates that the Tendermint config's DBBackend value should be used.
AppDBBackend string `mapstructure:"app-db-backend"`
Expand Down Expand Up @@ -254,6 +257,7 @@ func DefaultConfig() *Config {
IndexEvents: make([]string, 0),
IAVLCacheSize: 781250,
IAVLDisableFastNode: false,
IAVLLazyLoading: false,
AppDBBackend: "",
},
Telemetry: telemetry.Config{
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4 changes: 4 additions & 0 deletions server/config/toml.go
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Expand Up @@ -77,6 +77,10 @@ iavl-cache-size = {{ .BaseConfig.IAVLCacheSize }}
# Default is false.
iavl-disable-fastnode = {{ .BaseConfig.IAVLDisableFastNode }}
# IAVLLazyLoading enable/disable the lazy loading of iavl store.
# Default is false.
iavl-lazy-loading = {{ .BaseConfig.IAVLLazyLoading }}
# AppDBBackend defines the database backend type to use for the application and snapshots DBs.
# An empty string indicates that a fallback will be used.
# First fallback is the deprecated compile-time types.DBBackend value.
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4 changes: 4 additions & 0 deletions server/mock/store.go
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Expand Up @@ -138,6 +138,10 @@ func (ms multiStore) SetIAVLDisableFastNode(disable bool) {
panic("not implemented")
}

func (ms multiStore) SetLazyLoading() int64 {
panic("not implemented")
}

func (ms multiStore) SetInitialVersion(version int64) error {
panic("not implemented")
}
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1 change: 1 addition & 0 deletions server/start.go
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Expand Up @@ -53,6 +53,7 @@ const (
FlagMinRetainBlocks = "min-retain-blocks"
FlagIAVLCacheSize = "iavl-cache-size"
FlagDisableIAVLFastNode = "iavl-disable-fastnode"
FlagIAVLLazyLoading = "iavl-lazy-loading"

// state sync-related flags
FlagStateSyncSnapshotInterval = "state-sync.snapshot-interval"
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1 change: 1 addition & 0 deletions server/util.go
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Expand Up @@ -474,5 +474,6 @@ func DefaultBaseappOptions(appOpts types.AppOptions) []func(*baseapp.BaseApp) {
mempool.SenderNonceMaxTxOpt(cast.ToInt(appOpts.Get(FlagMempoolMaxTxs))),
),
),
baseapp.SetIAVLLazyLoading(cast.ToBool(appOpts.Get(FlagIAVLLazyLoading))),
}
}
2 changes: 2 additions & 0 deletions simapp/go.mod
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Expand Up @@ -199,6 +199,8 @@ replace (
github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0
// Simapp always use the latest version of the cosmos-sdk
github.com/cosmos/cosmos-sdk => ../.

github.com/cosmos/iavl => github.com/yihuang/iavl v0.16.1-0.20221207094035-eda8927928d7
// Fix upstream GHSA-h395-qcrw-5vmq vulnerability.
// TODO Remove it: https://github.com/cosmos/cosmos-sdk/issues/10409
github.com/gin-gonic/gin => github.com/gin-gonic/gin v1.8.1
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6 changes: 3 additions & 3 deletions simapp/go.sum
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Expand Up @@ -218,8 +218,6 @@ github.com/cosmos/gogoproto v1.4.3 h1:RP3yyVREh9snv/lsOvmsAPQt8f44LgL281X0IOIhhc
github.com/cosmos/gogoproto v1.4.3/go.mod h1:0hLIG5TR7IvV1fme1HCFKjfzW9X2x0Mo+RooWXCnOWU=
github.com/cosmos/gorocksdb v1.2.0 h1:d0l3jJG8M4hBouIZq0mDUHZ+zjOx044J3nGRskwTb4Y=
github.com/cosmos/gorocksdb v1.2.0/go.mod h1:aaKvKItm514hKfNJpUJXnnOWeBnk2GL4+Qw9NHizILw=
github.com/cosmos/iavl v0.20.0-alpha1 h1:tP+Qv4MdnLVmrrhIAGpLRQOOhFGgci0hpJ4VI3xtHhM=
github.com/cosmos/iavl v0.20.0-alpha1/go.mod h1:25YJYzilTErJ2mKfNB3xyWL9IsCwEQdNzdIutg2mh3U=
github.com/cosmos/keyring v1.2.0 h1:8C1lBP9xhImmIabyXW4c3vFjjLiBdGCmfLUfeZlV1Yo=
github.com/cosmos/keyring v1.2.0/go.mod h1:fc+wB5KTk9wQ9sDx0kFXB3A0MaeGHM9AwRStKOQ5vOA=
github.com/cosmos/ledger-cosmos-go v0.13.0 h1:ex0CvCxToSR7j5WjrghPu2Bu9sSXKikjnVvUryNnx4s=
Expand Down Expand Up @@ -911,6 +909,8 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmvncFJFHJ7Gvn9wZArjbV5/FppcK2fKk/tI=
github.com/yihuang/iavl v0.16.1-0.20221207094035-eda8927928d7 h1:UtyGZq43uSrniP+BwQp9s4vK3GLcw+Q3b/m+llzjBZs=
github.com/yihuang/iavl v0.16.1-0.20221207094035-eda8927928d7/go.mod h1:X9PKD3J0iFxdmgNLa7b2LYWdsGd90ToV5cAONApkEPw=
github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FBNExI05xg=
github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82/go.mod h1:lgjkn3NuSvDfVJdfcVVdX+jpBxNmX4rDAzaS45IcYoM=
github.com/yudai/pp v2.0.1+incompatible/go.mod h1:PuxR/8QJ7cyCkFp/aUDS+JY727OFEZkTdatxwunjIkc=
Expand Down Expand Up @@ -1253,8 +1253,8 @@ golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8T
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 h1:H2TDz8ibqkAF6YGhCdN3jS9O0/s90v0rJh3X/OLHEUk=
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
gonum.org/v1/gonum v0.8.2 h1:CCXrcPKiGGotvnN6jfUsKk4rRqm7q09/YbKb5xCEvtM=
gonum.org/v1/gonum v0.8.2/go.mod h1:oe/vMfY3deqTw+1EZJhuvEW2iwGF1bW9wwu7XCu0+v0=
gonum.org/v1/gonum v0.11.0 h1:f1IJhK4Km5tBJmaiJXtk/PkL4cdVX6J+tGiM187uT5E=
gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
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5 changes: 5 additions & 0 deletions store/iavl/store.go
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Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,11 @@ func (st *Store) LoadVersionForOverwriting(targetVersion int64) (int64, error) {
return st.tree.LoadVersionForOverwriting(targetVersion)
}

// LazyLoadVersionForOverwriting is the lazy version of LoadVersionForOverwriting.
func (st *Store) LazyLoadVersionForOverwriting(targetVersion int64) (int64, error) {
return st.tree.LazyLoadVersionForOverwriting(targetVersion)
}

// Implements types.KVStore.
func (st *Store) Iterator(start, end []byte) types.Iterator {
iterator, err := st.tree.Iterator(start, end, true)
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5 changes: 5 additions & 0 deletions store/iavl/tree.go
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ type (
Iterator(start, end []byte, ascending bool) (types.Iterator, error)
AvailableVersions() []int
LoadVersionForOverwriting(targetVersion int64) (int64, error)
LazyLoadVersionForOverwriting(targetVersion int64) (int64, error)
}

// immutableTree is a simple wrapper around a reference to an iavl.ImmutableTree
Expand Down Expand Up @@ -95,3 +96,7 @@ func (it *immutableTree) AvailableVersions() []int {
func (it *immutableTree) LoadVersionForOverwriting(targetVersion int64) (int64, error) {
panic("cannot call 'LoadVersionForOverwriting' on an immutable IAVL tree")
}

func (it *immutableTree) LazyLoadVersionForOverwriting(targetVersion int64) (int64, error) {
panic("cannot call 'LazyLoadVersionForOverwriting' on an immutable IAVL tree")
}
7 changes: 6 additions & 1 deletion store/rootmulti/store.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1001,7 +1001,12 @@ func (rs *Store) RollbackToVersion(target int64) error {
// If the store is wrapped with an inter-block cache, we must first unwrap
// it to get the underlying IAVL store.
store = rs.GetCommitKVStore(key)
_, err := store.(*iavl.Store).LoadVersionForOverwriting(target)
var err error
if rs.lazyLoading {
_, err = store.(*iavl.Store).LazyLoadVersionForOverwriting(target)
} else {
_, err = store.(*iavl.Store).LoadVersionForOverwriting(target)
}
if err != nil {
return err
}
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3 changes: 3 additions & 0 deletions store/types/store.go
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,9 @@ type CommitMultiStore interface {
// SetIAVLDisableFastNode enables/disables fastnode feature on iavl.
SetIAVLDisableFastNode(disable bool)

// SetIAVLLazyLoading enable/disable lazy loading on iavl.
SetLazyLoading(lazyLoading bool)

// RollbackToVersion rollback the db to specific version(height).
RollbackToVersion(version int64) error

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2 changes: 2 additions & 0 deletions tests/go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -194,6 +194,8 @@ replace (
github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0
// We always want to test against the latest version of the SDK.
github.com/cosmos/cosmos-sdk => ../.

github.com/cosmos/iavl => github.com/yihuang/iavl v0.16.1-0.20221207094035-eda8927928d7
// Fix upstream GHSA-h395-qcrw-5vmq vulnerability.
// TODO Remove it: https://github.com/cosmos/cosmos-sdk/issues/10409
github.com/gin-gonic/gin => github.com/gin-gonic/gin v1.8.1
Expand Down
6 changes: 3 additions & 3 deletions tests/go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -213,8 +213,6 @@ github.com/cosmos/gogoproto v1.4.3 h1:RP3yyVREh9snv/lsOvmsAPQt8f44LgL281X0IOIhhc
github.com/cosmos/gogoproto v1.4.3/go.mod h1:0hLIG5TR7IvV1fme1HCFKjfzW9X2x0Mo+RooWXCnOWU=
github.com/cosmos/gorocksdb v1.2.0 h1:d0l3jJG8M4hBouIZq0mDUHZ+zjOx044J3nGRskwTb4Y=
github.com/cosmos/gorocksdb v1.2.0/go.mod h1:aaKvKItm514hKfNJpUJXnnOWeBnk2GL4+Qw9NHizILw=
github.com/cosmos/iavl v0.20.0-alpha1 h1:tP+Qv4MdnLVmrrhIAGpLRQOOhFGgci0hpJ4VI3xtHhM=
github.com/cosmos/iavl v0.20.0-alpha1/go.mod h1:25YJYzilTErJ2mKfNB3xyWL9IsCwEQdNzdIutg2mh3U=
github.com/cosmos/keyring v1.2.0 h1:8C1lBP9xhImmIabyXW4c3vFjjLiBdGCmfLUfeZlV1Yo=
github.com/cosmos/keyring v1.2.0/go.mod h1:fc+wB5KTk9wQ9sDx0kFXB3A0MaeGHM9AwRStKOQ5vOA=
github.com/cosmos/ledger-cosmos-go v0.13.0 h1:ex0CvCxToSR7j5WjrghPu2Bu9sSXKikjnVvUryNnx4s=
Expand Down Expand Up @@ -892,6 +890,8 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmvncFJFHJ7Gvn9wZArjbV5/FppcK2fKk/tI=
github.com/yihuang/iavl v0.16.1-0.20221207094035-eda8927928d7 h1:UtyGZq43uSrniP+BwQp9s4vK3GLcw+Q3b/m+llzjBZs=
github.com/yihuang/iavl v0.16.1-0.20221207094035-eda8927928d7/go.mod h1:X9PKD3J0iFxdmgNLa7b2LYWdsGd90ToV5cAONApkEPw=
github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FBNExI05xg=
github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82/go.mod h1:lgjkn3NuSvDfVJdfcVVdX+jpBxNmX4rDAzaS45IcYoM=
github.com/yudai/pp v2.0.1+incompatible/go.mod h1:PuxR/8QJ7cyCkFp/aUDS+JY727OFEZkTdatxwunjIkc=
Expand Down Expand Up @@ -1234,8 +1234,8 @@ golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8T
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 h1:H2TDz8ibqkAF6YGhCdN3jS9O0/s90v0rJh3X/OLHEUk=
golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
gonum.org/v1/gonum v0.8.2 h1:CCXrcPKiGGotvnN6jfUsKk4rRqm7q09/YbKb5xCEvtM=
gonum.org/v1/gonum v0.8.2/go.mod h1:oe/vMfY3deqTw+1EZJhuvEW2iwGF1bW9wwu7XCu0+v0=
gonum.org/v1/gonum v0.11.0 h1:f1IJhK4Km5tBJmaiJXtk/PkL4cdVX6J+tGiM187uT5E=
gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
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