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app.go
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app.go
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package cmd
import (
"errors"
"io"
"path/filepath"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/server"
servertypes "github.com/cosmos/cosmos-sdk/server/types"
"github.com/cosmos/cosmos-sdk/snapshots"
"github.com/cosmos/cosmos-sdk/store"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/spf13/cast"
"github.com/tendermint/tendermint/libs/log"
db "github.com/tendermint/tm-db"
"github.com/Decentr-net/decentr/app"
"github.com/Decentr-net/decentr/app/params"
)
// appCreator holds functions used by the sdk server to control the decentr app.
// The methods implement types in cosmos-sdk/server/types
type appCreator struct {
encodingConfig params.EncodingConfig
}
// newApp loads config from AppOptions and returns a new app.
func (ac appCreator) newApp(
logger log.Logger,
db db.DB,
traceStore io.Writer,
appOpts servertypes.AppOptions,
) servertypes.Application {
var cache sdk.MultiStorePersistentCache
if cast.ToBool(appOpts.Get(server.FlagInterBlockCache)) {
cache = store.NewCommitKVStoreCacheManager()
}
skipUpgradeHeights := make(map[int64]bool)
for _, h := range cast.ToIntSlice(appOpts.Get(server.FlagUnsafeSkipUpgrades)) {
skipUpgradeHeights[int64(h)] = true
}
pruningOpts, err := server.GetPruningOptionsFromFlags(appOpts)
if err != nil {
panic(err)
}
snapshotDir := filepath.Join(cast.ToString(appOpts.Get(flags.FlagHome)), "data", "snapshots")
snapshotDB, err := sdk.NewLevelDB("metadata", snapshotDir)
if err != nil {
panic(err)
}
snapshotStore, err := snapshots.NewStore(snapshotDB, snapshotDir)
if err != nil {
panic(err)
}
return app.New(
logger, db, traceStore, true, skipUpgradeHeights,
cast.ToString(appOpts.Get(flags.FlagHome)),
cast.ToUint(appOpts.Get(server.FlagInvCheckPeriod)),
app.MakeEncodingConfig(),
appOpts,
baseapp.SetPruning(pruningOpts),
baseapp.SetMinGasPrices(cast.ToString(appOpts.Get(server.FlagMinGasPrices))),
baseapp.SetHaltHeight(cast.ToUint64(appOpts.Get(server.FlagHaltHeight))),
baseapp.SetHaltTime(cast.ToUint64(appOpts.Get(server.FlagHaltTime))),
baseapp.SetMinRetainBlocks(cast.ToUint64(appOpts.Get(server.FlagMinRetainBlocks))),
baseapp.SetInterBlockCache(cache),
baseapp.SetTrace(cast.ToBool(appOpts.Get(server.FlagTrace))),
baseapp.SetIndexEvents(cast.ToStringSlice(appOpts.Get(server.FlagIndexEvents))),
baseapp.SetSnapshotStore(snapshotStore),
baseapp.SetSnapshotInterval(cast.ToUint64(appOpts.Get(server.FlagStateSyncSnapshotInterval))),
baseapp.SetSnapshotKeepRecent(cast.ToUint32(appOpts.Get(server.FlagStateSyncSnapshotKeepRecent))),
)
}
// appExport creates a new app (optionally at a given height)
// and exports state.
func (ac appCreator) appExport(
logger log.Logger, db db.DB, traceStore io.Writer, height int64, forZeroHeight bool, jailAllowedAddrs []string,
appOpts servertypes.AppOptions) (servertypes.ExportedApp, error) {
var decentrApp *app.App
homePath, ok := appOpts.Get(flags.FlagHome).(string)
if !ok || homePath == "" {
return servertypes.ExportedApp{}, errors.New("application home not set")
}
if height != -1 {
decentrApp = app.New(
logger,
db,
traceStore,
false,
map[int64]bool{},
homePath,
uint(1),
ac.encodingConfig,
appOpts,
)
if err := decentrApp.LoadHeight(height); err != nil {
return servertypes.ExportedApp{}, err
}
} else {
decentrApp = app.New(
logger,
db,
traceStore,
true,
map[int64]bool{},
homePath,
uint(1),
ac.encodingConfig,
appOpts,
)
}
return decentrApp.ExportAppStateAndValidators(forZeroHeight, jailAllowedAddrs)
}