package migrate import ( "fmt" "time" "github.com/spf13/cobra" "github.com/cosmos/cosmos-sdk/codec" "github.com/cosmos/cosmos-sdk/server" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/version" "github.com/kava-labs/kava/migrate/v0_11" tmtypes "github.com/tendermint/tendermint/types" ) const ( flagGenesisTime = "genesis-time" flagChainID = "chain-id" ) // MigrateGenesisCmd returns a command to execute genesis state migration. func MigrateGenesisCmd(_ *server.Context, cdc *codec.Codec) *cobra.Command { cmd := &cobra.Command{ Use: "migrate [genesis-file]", Short: "Migrate genesis file from kava v0.10 to v0.11", Long: "Migrate the source genesis into the current version, sorts it, and print to STDOUT. If not provided, chain-id is set to kava-4 and genesis time is set to 2020-10-15T:14:00:00Z", Example: fmt.Sprintf(`%s migrate /path/to/genesis.json --chain-id=new-chain-id --genesis-time=1998-01-01T00:00:00Z`, version.ServerName), Args: cobra.ExactArgs(1), RunE: func(cmd *cobra.Command, args []string) error { // 1) Unmarshal existing genesis.json importGenesis := args[0] genDoc, err := tmtypes.GenesisDocFromFile(importGenesis) if err != nil { return fmt.Errorf("failed to read genesis document from file %s: %w", importGenesis, err) } // 2) Migrate state from kava v0.3 to v0.8 newGenDoc := v0_11.Migrate(*genDoc) // 3) Create and output a new genesis file genesisTime := cmd.Flag(flagGenesisTime).Value.String() if genesisTime != "" { var t time.Time err := t.UnmarshalText([]byte(genesisTime)) if err != nil { return fmt.Errorf("failed to unmarshal genesis time: %w", err) } newGenDoc.GenesisTime = t } chainID := cmd.Flag(flagChainID).Value.String() if chainID != "" { newGenDoc.ChainID = chainID } bz, err := cdc.MarshalJSONIndent(newGenDoc, "", " ") if err != nil { return fmt.Errorf("failed to marshal genesis doc: %w", err) } sortedBz, err := sdk.SortJSON(bz) if err != nil { return fmt.Errorf("failed to sort JSON genesis doc: %w", err) } fmt.Println(string(sortedBz)) return nil }, } cmd.Flags().String(flagGenesisTime, "", "override genesis_time with this flag") cmd.Flags().String(flagChainID, "", "override chain_id with this flag") return cmd }