905e450966
Co-authored-by: Randy Grok <98407738+randygrok@users.noreply.github.com> Co-authored-by: Julien Robert <julien@rbrt.fr>
107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
package cli
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
"github.com/cosmos/cosmos-sdk/client"
|
|
"github.com/cosmos/cosmos-sdk/client/flags"
|
|
"github.com/cosmos/cosmos-sdk/version"
|
|
genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
|
|
v2 "github.com/cosmos/cosmos-sdk/x/genutil/v2"
|
|
)
|
|
|
|
const (
|
|
flagHeight = "height"
|
|
flagJailAllowedAddrs = "jail-allowed-addrs"
|
|
)
|
|
|
|
// ExportCmd dumps app state to JSON.
|
|
func ExportCmd(appExporter v2.AppExporter) *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "export",
|
|
Short: "Export state to JSON",
|
|
Args: cobra.NoArgs,
|
|
RunE: func(cmd *cobra.Command, _ []string) error {
|
|
config := client.GetConfigFromCmd(cmd)
|
|
viper := client.GetViperFromCmd(cmd)
|
|
logger := client.GetLoggerFromCmd(cmd)
|
|
|
|
if _, err := os.Stat(config.GenesisFile()); os.IsNotExist(err) {
|
|
return err
|
|
}
|
|
|
|
if appExporter == nil {
|
|
if _, err := fmt.Fprintln(cmd.ErrOrStderr(), "WARNING: App exporter not defined. Returning genesis file."); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Open file in read-only mode so we can copy it to stdout.
|
|
// It is possible that the genesis file is large,
|
|
// so we don't need to read it all into memory
|
|
// before we stream it out.
|
|
f, err := os.OpenFile(config.GenesisFile(), os.O_RDONLY, 0)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
if _, err := io.Copy(cmd.OutOrStdout(), f); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
height, _ := cmd.Flags().GetInt64(flagHeight)
|
|
jailAllowedAddrs, _ := cmd.Flags().GetStringSlice(flagJailAllowedAddrs)
|
|
outputDocument, _ := cmd.Flags().GetString(flags.FlagOutputDocument)
|
|
|
|
exported, err := appExporter(logger, height, jailAllowedAddrs, viper)
|
|
if err != nil {
|
|
return fmt.Errorf("error exporting state: %w", err)
|
|
}
|
|
|
|
appGenesis, err := genutiltypes.AppGenesisFromFile(config.GenesisFile())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// set current binary version
|
|
appGenesis.AppName = version.AppName
|
|
appGenesis.AppVersion = version.Version
|
|
|
|
appGenesis.AppState = exported.AppState
|
|
appGenesis.InitialHeight = exported.Height
|
|
|
|
out, err := json.Marshal(appGenesis)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if outputDocument == "" {
|
|
// Copy the entire genesis file to stdout.
|
|
_, err := io.Copy(cmd.OutOrStdout(), bytes.NewReader(out))
|
|
return err
|
|
}
|
|
|
|
if err = appGenesis.SaveAs(outputDocument); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
},
|
|
}
|
|
|
|
cmd.Flags().Int64(flagHeight, -1, "Export state from a particular height (-1 means latest height)")
|
|
cmd.Flags().StringSlice(flagJailAllowedAddrs, []string{}, "Comma-separated list of operator addresses of jailed validators to unjail")
|
|
cmd.Flags().String(flags.FlagOutputDocument, "", "Exported state is written to the given file instead of STDOUT")
|
|
|
|
return cmd
|
|
}
|