root.go

package cmd

import (
	"io"
	"os"
	"path/filepath"

	serverconfig "github.com/cosmos/cosmos-sdk/server/config"

	"github.com/desmos-labs/desmos/v3/app/desmos/cmd/chainlink"
	"github.com/desmos-labs/desmos/v3/app/desmos/cmd/sign"

	config "github.com/cosmos/cosmos-sdk/client/config"

	"github.com/cosmos/cosmos-sdk/x/crisis"

	"github.com/cosmos/cosmos-sdk/codec"
	"github.com/cosmos/cosmos-sdk/simapp/params"
	"github.com/cosmos/cosmos-sdk/snapshots"

	"github.com/desmos-labs/desmos/v3/app"

	"github.com/spf13/cast"
	"github.com/spf13/cobra"
	tmcli "github.com/tendermint/tendermint/libs/cli"
	"github.com/tendermint/tendermint/libs/log"
	dbm "github.com/tendermint/tm-db"

	"github.com/cosmos/cosmos-sdk/baseapp"
	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/client/debug"
	"github.com/cosmos/cosmos-sdk/client/flags"
	"github.com/cosmos/cosmos-sdk/client/keys"
	"github.com/cosmos/cosmos-sdk/client/rpc"
	"github.com/cosmos/cosmos-sdk/server"
	servertypes "github.com/cosmos/cosmos-sdk/server/types"
	simcmd "github.com/cosmos/cosmos-sdk/simapp/simd/cmd"
	"github.com/cosmos/cosmos-sdk/store"
	sdk "github.com/cosmos/cosmos-sdk/types"
	authcmd "github.com/cosmos/cosmos-sdk/x/auth/client/cli"
	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
	cosmosgenutilcli "github.com/cosmos/cosmos-sdk/x/genutil/client/cli"

	chainlinktypes "github.com/desmos-labs/desmos/v3/app/desmos/cmd/chainlink/getter"
	chainlinkprovider "github.com/desmos-labs/desmos/v3/app/desmos/cmd/chainlink/provider"
	genutilcli "github.com/desmos-labs/desmos/v3/x/genutil/client/cli"
)

// NewRootCmd creates a new root command for desmos. It is called once in the
// main function.
func NewRootCmd() (*cobra.Command, params.EncodingConfig) {
	encodingConfig := app.MakeTestEncodingConfig()
	initClientCtx := client.Context{}.
		WithCodec(encodingConfig.Marshaler).
		WithInterfaceRegistry(encodingConfig.InterfaceRegistry).
		WithTxConfig(encodingConfig.TxConfig).
		WithLegacyAmino(encodingConfig.Amino).
		WithInput(os.Stdin).
		WithAccountRetriever(authtypes.AccountRetriever{}).
		WithBroadcastMode(flags.BroadcastBlock).
		WithHomeDir(app.DefaultNodeHome).
		WithViper("DESMOS")

	rootCmd := &cobra.Command{
		Use:   "desmos",
		Short: "Desmos application",
		PersistentPreRunE: func(cmd *cobra.Command, _ []string) error {
			// set the default command outputs
			cmd.SetOut(cmd.OutOrStdout())
			cmd.SetErr(cmd.ErrOrStderr())

			initClientCtx, err := client.ReadPersistentCommandFlags(initClientCtx, cmd.Flags())
			if err != nil {
				return err
			}

			initClientCtx, err = config.ReadFromClientConfig(initClientCtx)
			if err != nil {
				return err
			}

			if err := client.SetCmdClientContextHandler(initClientCtx, cmd); err != nil {
				return err
			}

			customAppTemplate, customAppConfig := initAppConfig()
			return server.InterceptConfigsPreRunHandler(cmd, customAppTemplate, customAppConfig)
		},
	}

	initRootCmd(rootCmd, encodingConfig)

	return rootCmd, encodingConfig
}

// initAppConfig helps to override default appConfig template and configs.
// return "", nil if no custom configuration is required for the application.
func initAppConfig() (string, interface{}) {
	// The following code snippet is just for reference.

	// WASMConfig defines configuration for the wasm module.
	type WASMConfig struct {
		// This is the maximum sdk gas (wasm and storage) that we allow for any x/wasm "smart" queries
		QueryGasLimit uint64 `mapstructure:"query_gas_limit"`

		// Address defines the gRPC-web server to listen on
		LruSize uint64 `mapstructure:"lru_size"`
	}

	type CustomAppConfig struct {
		serverconfig.Config

		WASM WASMConfig `mapstructure:"wasm"`
	}

	// Optionally allow the chain developer to overwrite the SDK's default
	// server config.
	srvCfg := serverconfig.DefaultConfig()
	// The SDK's default minimum gas price is set to "" (empty value) inside
	// app.toml. If left empty by validators, the node will halt on startup.
	// However, the chain developer can set a default app.toml value for their
	// validators here.
	//
	// In summary:
	// - if you leave srvCfg.MinGasPrices = "", all validators MUST tweak their
	//   own app.toml config,
	// - if you set srvCfg.MinGasPrices non-empty, validators CAN tweak their
	//   own app.toml to override, or use this default value.
	//
	// In Desmos, we set the min gas prices to 0.
	srvCfg.MinGasPrices = "0stake"

	customAppConfig := CustomAppConfig{
		Config: *srvCfg,
		WASM: WASMConfig{
			LruSize:       1,
			QueryGasLimit: 300000,
		},
	}

	customAppTemplate := serverconfig.DefaultConfigTemplate + `
[wasm]
# This is the maximum sdk gas (wasm and storage) that we allow for any x/wasm "smart" queries
query_gas_limit = 300000
# This is the number of wasm vm instances we keep cached in memory for speed-up
# Warning: this is currently unstable and may lead to crashes, best to keep for 0 unless testing locally
lru_size = 0`

	return customAppTemplate, customAppConfig
}

func initRootCmd(rootCmd *cobra.Command, encodingConfig params.EncodingConfig) {
	// Read in the configuration file for the sdk
	cfg := sdk.GetConfig()
	app.SetupConfig(cfg)
	cfg.Seal()

	rootCmd.AddCommand(
		cosmosgenutilcli.InitCmd(app.ModuleBasics, app.DefaultNodeHome),
		cosmosgenutilcli.CollectGenTxsCmd(banktypes.GenesisBalancesIterator{}, app.DefaultNodeHome),
		genutilcli.MigrationsListCmd(),
		genutilcli.MigrateGenesisCmd(),
		cosmosgenutilcli.GenTxCmd(app.ModuleBasics, encodingConfig.TxConfig, banktypes.GenesisBalancesIterator{}, app.DefaultNodeHome),
		cosmosgenutilcli.ValidateGenesisCmd(app.ModuleBasics),
		simcmd.AddGenesisAccountCmd(app.DefaultNodeHome),
		tmcli.NewCompletionCmd(rootCmd, true),
		testnetCmd(app.ModuleBasics, banktypes.GenesisBalancesIterator{}),
		debug.Cmd(),
		config.Cmd(),
	)

	server.AddCommands(rootCmd, app.DefaultNodeHome, newApp, createDesmosappAndExport, addModuleInitFlags)

	// add keybase, auxiliary RPC, query, and tx child commands
	rootCmd.AddCommand(
		rpc.StatusCommand(),
		queryCommand(),
		txCommand(),
		sign.GetSignCmd(),
		chainlink.GetCreateChainLinkJSON(
			chainlinktypes.NewChainLinkReferencePrompt(),
			chainlinkprovider.DefaultChainLinkJSONBuilderProvider,
		),
		keys.Commands(app.DefaultNodeHome),
	)
}

func addModuleInitFlags(startCmd *cobra.Command) {
	crisis.AddModuleInitFlags(startCmd)
}

func queryCommand() *cobra.Command {
	cmd := &cobra.Command{
		Use:                        "query",
		Aliases:                    []string{"q"},
		Short:                      "Querying subcommands",
		DisableFlagParsing:         true,
		SuggestionsMinimumDistance: 2,
		RunE:                       client.ValidateCmd,
	}

	cmd.AddCommand(
		authcmd.GetAccountCmd(),
		rpc.ValidatorCommand(),
		rpc.BlockCommand(),
		authcmd.QueryTxsByEventsCmd(),
		authcmd.QueryTxCmd(),
	)

	app.ModuleBasics.AddQueryCommands(cmd)
	cmd.PersistentFlags().String(flags.FlagChainID, "", "The network chain ID")

	return cmd
}

func txCommand() *cobra.Command {
	cmd := &cobra.Command{
		Use:                        "tx",
		Short:                      "Transactions subcommands",
		DisableFlagParsing:         true,
		SuggestionsMinimumDistance: 2,
		RunE:                       client.ValidateCmd,
	}

	cmd.AddCommand(
		authcmd.GetSignCommand(),
		authcmd.GetSignBatchCommand(),
		authcmd.GetMultiSignCommand(),
		authcmd.GetValidateSignaturesCommand(),
		flags.LineBreak,
		authcmd.GetBroadcastCommand(),
		authcmd.GetEncodeCommand(),
		authcmd.GetDecodeCommand(),
		flags.LineBreak,
	)

	app.ModuleBasics.AddTxCommands(cmd)
	cmd.PersistentFlags().String(flags.FlagChainID, "", "The network chain ID")

	return cmd
}

func newApp(logger log.Logger, db dbm.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.NewDesmosApp(
		logger, db, traceStore, true, skipUpgradeHeights,
		cast.ToString(appOpts.Get(flags.FlagHome)),
		cast.ToUint(appOpts.Get(server.FlagInvCheckPeriod)),
		app.MakeTestEncodingConfig(), // Ideally, we would reuse the one created by NewRootCmd.
		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))),
	)
}

// createDesmosappAndExport creates a new app (optionally at a given height)
// and exports state.
func createDesmosappAndExport(
	logger log.Logger, db dbm.DB, traceStore io.Writer, height int64, forZeroHeight bool, jailAllowedAddrs []string,
	appOpts servertypes.AppOptions,
) (servertypes.ExportedApp, error) {
	encCfg := app.MakeTestEncodingConfig() // Ideally, we would reuse the one created by NewRootCmd.
	encCfg.Marshaler = codec.NewProtoCodec(encCfg.InterfaceRegistry)
	var desmosApp *app.DesmosApp
	if height != -1 {
		desmosApp = app.NewDesmosApp(
			logger, db, traceStore, false, map[int64]bool{},
			cast.ToString(appOpts.Get(flags.FlagHome)),
			uint(1),
			encCfg,
			appOpts,
		)
		err := desmosApp.LoadHeight(height)
		if err != nil {
			return servertypes.ExportedApp{}, err
		}
	} else {
		desmosApp = app.NewDesmosApp(
			logger, db, traceStore, true, map[int64]bool{},
			cast.ToString(appOpts.Get(flags.FlagHome)),
			uint(1),
			encCfg,
			appOpts,
		)
	}

	return desmosApp.ExportAppStateAndValidators(forZeroHeight, jailAllowedAddrs)
}