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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "time" | ||
|
|
||
| "github.com/bandprotocol/bandchain/chain/app" | ||
| "github.com/bandprotocol/bandchain/chain/x/oracle" | ||
| "github.com/cosmos/cosmos-sdk/codec" | ||
| "github.com/cosmos/cosmos-sdk/server" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| errors "github.com/cosmos/cosmos-sdk/types/errors" | ||
| "github.com/cosmos/cosmos-sdk/version" | ||
| "github.com/cosmos/cosmos-sdk/x/evidence" | ||
| extypes "github.com/cosmos/cosmos-sdk/x/genutil" | ||
| v038 "github.com/cosmos/cosmos-sdk/x/genutil/legacy/v0_38" | ||
| v039 "github.com/cosmos/cosmos-sdk/x/genutil/legacy/v0_39" | ||
| "github.com/cosmos/cosmos-sdk/x/upgrade" | ||
| "github.com/spf13/cobra" | ||
| tmtypes "github.com/tendermint/tendermint/types" | ||
| ) | ||
|
|
||
| const ( | ||
| flagGenesisTime = "genesis-time" | ||
| flagChainID = "chain-id" | ||
| ) | ||
|
|
||
| // GenesisDocFromFile reads JSON data from a file and unmarshalls it into a GenesisDoc. | ||
| func GenesisDocFromFile(genDocFile string, cdc *codec.Codec) (*tmtypes.GenesisDoc, error) { | ||
| jsonBlob, err := ioutil.ReadFile(genDocFile) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "Couldn't read GenesisDoc file") | ||
| } | ||
|
|
||
| var genDoc tmtypes.GenesisDoc | ||
| err = cdc.UnmarshalJSON(jsonBlob, &genDoc) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Set up Tendermint consensus params with default value. | ||
| genDoc.ConsensusParams.Evidence = tmtypes.DefaultEvidenceParams() | ||
|
|
||
| if err := genDoc.ValidateAndComplete(); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &genDoc, nil | ||
| } | ||
|
|
||
| // MigrateGenesisCmd returns a command to execute genesis state migration. | ||
| // nolint: funlen | ||
| func MigrateGenesisCmd(_ *server.Context, cdc *codec.Codec) *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "migrate [genesis-file]", | ||
| Short: "Migrate Wenchang genesis to Guanyu version", | ||
| Long: fmt.Sprintf(`Migrate the Wenchang genesis into the Guanyu version and print to STDOUT. | ||
| Example: | ||
| $ %s migrate /path/to/genesis.json --chain-id=band-guanyu --genesis-time=2020-08-11T17:00:00Z | ||
| `, version.ServerName), | ||
| Args: cobra.ExactArgs(1), | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| var err error | ||
|
|
||
| importGenesis := args[0] | ||
| genDoc, err := GenesisDocFromFile(importGenesis, cdc) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to read genesis document from file %s", importGenesis) | ||
| } | ||
|
|
||
| var state extypes.AppMap | ||
| if err := cdc.UnmarshalJSON(genDoc.AppState, &state); err != nil { | ||
| return errors.Wrap(err, "failed to JSON unmarshal initial genesis state") | ||
| } | ||
|
|
||
| // Migrate from Wenchang (0.36 like genesis file) to cosmos-sdk v0.39 | ||
| state = v039.Migrate(v038.Migrate(state)) | ||
|
|
||
| // Add genesis state of the new modules get state from `app` default genesis. | ||
| defaultGuanyu := app.NewDefaultGenesisState() | ||
| state[oracle.ModuleName] = cdc.MustMarshalJSON(defaultGuanyu[oracle.ModuleName]) | ||
| state[evidence.ModuleName] = cdc.MustMarshalJSON(defaultGuanyu[evidence.ModuleName]) | ||
| state[upgrade.ModuleName] = cdc.MustMarshalJSON(defaultGuanyu[upgrade.ModuleName]) | ||
|
|
||
| genDoc.AppState, err = cdc.MarshalJSON(state) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to JSON marshal migrated genesis state") | ||
| } | ||
| if err := genDoc.ValidateAndComplete(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| genesisTime := cmd.Flag(flagGenesisTime).Value.String() | ||
| if genesisTime != "" { | ||
| var t time.Time | ||
|
|
||
| err := t.UnmarshalText([]byte(genesisTime)) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to unmarshal genesis time") | ||
| } | ||
|
|
||
| genDoc.GenesisTime = t | ||
| } | ||
|
|
||
| chainID := cmd.Flag(flagChainID).Value.String() | ||
| if chainID != "" { | ||
| genDoc.ChainID = chainID | ||
| } | ||
|
|
||
| bz, err := cdc.MarshalJSONIndent(genDoc, "", " ") | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to marshal genesis doc") | ||
| } | ||
|
|
||
| sortedBz, err := sdk.SortJSON(bz) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to sort JSON genesis doc") | ||
| } | ||
|
|
||
| fmt.Println(string(sortedBz)) | ||
| return nil | ||
| }, | ||
| } | ||
| cmd.Flags().String(flagGenesisTime, "", "override genesis_time with this flag") | ||
| cmd.Flags().String(flagChainID, "band-guanyu", "override chain_id with this flag") | ||
| return cmd | ||
| } |
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