88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
package cli
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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/tendermint/tendermint/types"
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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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extypes "github.com/cosmos/cosmos-sdk/x/genutil"
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v036 "github.com/cosmos/cosmos-sdk/x/genutil/legacy/v036"
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)
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var migrationMap = extypes.MigrationMap{
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"v0.36": v036.Migrate,
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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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func MigrateGenesisCmd(_ *server.Context, cdc *codec.Codec) *cobra.Command {
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cmd := &cobra.Command{
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Use: "migrate [target-version] [genesis-file]",
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Short: "Migrate genesis to a specified target version",
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Long: fmt.Sprintf(`Migrate the source genesis into the target version and print to STDOUT.
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Example:
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$ %s migrate v0.36 /path/to/genesis.json --chain-id=cosmoshub-3 --genesis-time=2019-04-22T17:00:00Z
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`, version.ServerName),
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Args: cobra.ExactArgs(2),
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RunE: func(cmd *cobra.Command, args []string) error {
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target := args[0]
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importGenesis := args[1]
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genDoc, err := types.GenesisDocFromFile(importGenesis)
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if err != nil {
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return err
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}
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var initialState extypes.AppMap
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cdc.MustUnmarshalJSON(genDoc.AppState, &initialState)
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if migrationMap[target] == nil {
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return fmt.Errorf("unknown migration function version: %s", target)
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}
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newGenState := migrationMap[target](initialState)
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genDoc.AppState = cdc.MustMarshalJSON(newGenState)
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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 err
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}
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genDoc.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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genDoc.ChainID = chainId
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}
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out, err := cdc.MarshalJSONIndent(genDoc, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(sdk.MustSortJSON(out)))
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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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