65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
package server
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import (
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"encoding/json"
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"io"
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"os"
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"path/filepath"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/libs/log"
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tmtypes "github.com/tendermint/tendermint/types"
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dbm "github.com/tendermint/tm-db"
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"github.com/cosmos/cosmos-sdk/server/api"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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type (
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// AppOptions defines an interface that is passed into an application
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// constructor, typically used to set BaseApp options that are either supplied
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// via config file or through CLI arguments/flags. The underlying implementation
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// is defined by the server package and is typically implemented via a Viper
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// literal defined on the server Context. Note, casting Get calls may not yield
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// the expected types and could result in type assertion errors. It is recommend
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// to either use the cast package or perform manual conversion for safety.
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AppOptions interface {
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Get(string) interface{}
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}
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// Application defines an application interface that wraps abci.Application.
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// The interface defines the necessary contracts to be implemented in order
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// to fully bootstrap and start an application.
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Application interface {
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abci.Application
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RegisterAPIRoutes(*api.Server)
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}
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// AppCreator is a function that allows us to lazily initialize an
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// application using various configurations.
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AppCreator func(log.Logger, dbm.DB, io.Writer, AppOptions) Application
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// AppExporter is a function that dumps all app state to
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// JSON-serializable structure and returns the current validator set.
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AppExporter func(log.Logger, dbm.DB, io.Writer, int64, bool, []string) (json.RawMessage, []tmtypes.GenesisValidator, *abci.ConsensusParams, error)
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)
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func openDB(rootDir string) (dbm.DB, error) {
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dataDir := filepath.Join(rootDir, "data")
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db, err := sdk.NewLevelDB("application", dataDir)
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return db, err
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}
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func openTraceWriter(traceWriterFile string) (w io.Writer, err error) {
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if traceWriterFile != "" {
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w, err = os.OpenFile(
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traceWriterFile,
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os.O_WRONLY|os.O_APPEND|os.O_CREATE,
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0666,
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)
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return
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}
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return
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}
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