mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-14 03:55:19 +00:00
84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
package migrate
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import (
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"fmt"
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"time"
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"github.com/spf13/cobra"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/server"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/version"
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"github.com/kava-labs/kava/migrate/v0_11"
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tmtypes "github.com/tendermint/tendermint/types"
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)
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const (
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flagGenesisTime = "genesis-time"
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flagChainID = "chain-id"
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)
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// MigrateGenesisCmd returns a command to execute genesis state migration.
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func MigrateGenesisCmd(_ *server.Context, cdc *codec.Codec) *cobra.Command {
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cmd := &cobra.Command{
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Use: "migrate [genesis-file]",
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Short: "Migrate genesis file from kava v0.10 to v0.11",
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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",
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Example: fmt.Sprintf(`%s migrate /path/to/genesis.json --chain-id=new-chain-id --genesis-time=1998-01-01T00:00:00Z`, version.ServerName),
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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// 1) Unmarshal existing genesis.json
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importGenesis := args[0]
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genDoc, err := tmtypes.GenesisDocFromFile(importGenesis)
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if err != nil {
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return fmt.Errorf("failed to read genesis document from file %s: %w", importGenesis, err)
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}
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// 2) Migrate state from kava v0.3 to v0.8
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newGenDoc := v0_11.Migrate(*genDoc)
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// 3) Create and output a new genesis file
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genesisTime := cmd.Flag(flagGenesisTime).Value.String()
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if genesisTime != "" {
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var t time.Time
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err := t.UnmarshalText([]byte(genesisTime))
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if err != nil {
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return fmt.Errorf("failed to unmarshal genesis time: %w", err)
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}
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newGenDoc.GenesisTime = t
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}
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chainID := cmd.Flag(flagChainID).Value.String()
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if chainID != "" {
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newGenDoc.ChainID = chainID
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}
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bz, err := cdc.MarshalJSONIndent(newGenDoc, "", " ")
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if err != nil {
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return fmt.Errorf("failed to marshal genesis doc: %w", err)
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}
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sortedBz, err := sdk.SortJSON(bz)
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if err != nil {
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return fmt.Errorf("failed to sort JSON genesis doc: %w", err)
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}
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fmt.Println(string(sortedBz))
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return nil
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},
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}
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cmd.Flags().String(flagGenesisTime, "", "override genesis_time with this flag")
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cmd.Flags().String(flagChainID, "", "override chain_id with this flag")
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return cmd
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}
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