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migrate.go
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migrate.go
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package cli
import (
"fmt"
"sort"
"time"
v038 "github.com/cosmos/cosmos-sdk/x/genutil/legacy/v0_38"
"github.com/spf13/cobra"
"github.com/tendermint/tendermint/types"
v120 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.2.0"
v121 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.2.1"
v130 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.3.0"
v131 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.3.1"
v132 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.3.2"
v133 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.3.3"
v134 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.3.4"
v150 "github.com/commercionetwork/commercionetwork/x/genutil/legacy/v1.5.0"
"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"
extypes "github.com/cosmos/cosmos-sdk/x/genutil"
)
var migrationMap = map[string][]extypes.MigrationCallback{
"v1.2.0": {v038.Migrate, v120.Migrate},
"v1.2.1": {v121.Migrate},
"v1.3.0": {v130.Migrate},
"v1.3.1": {v131.Migrate},
"v1.3.2": {v132.Migrate},
"v1.3.3": {v133.Migrate},
"v1.3.4": {v134.Migrate},
"v1.5.0": {v150.Migrate},
}
const (
flagGenesisTime = "genesis-time"
flagChainID = "chain-id"
)
func MigrationsListCmd(_ *server.Context, cdc *codec.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "migrations-list",
Short: "Lists all the available migrations",
Args: cobra.ExactArgs(0),
RunE: func(cmd *cobra.Command, args []string) error {
var migrations []string
for migration := range migrationMap {
migrations = append(migrations, migration)
}
sort.Strings(migrations)
for _, m := range migrations {
fmt.Println(m)
}
return nil
},
}
cmd.Flags().String(flagGenesisTime, "", "Override genesis_time with this flag")
cmd.Flags().String(flagChainID, "", "Override chain_id with this flag")
return cmd
}
func MigrateGenesisCmd(_ *server.Context, cdc *codec.Codec) *cobra.Command {
cmd := &cobra.Command{
Use: "migrate [target-version] [genesis-file]",
Short: "Migrate genesis to a specified target version",
Long: fmt.Sprintf(`Migrate the source genesis into the target version and print to STDOUT.
Please note that migrations should be only be done sequentially. As a reference, suppose we have the following versions:
- v1.2.0
- v1.2.1
- v1.3.0
If you want to migrate from version v1.2.0 to v1.3.0, you need to execute two migrations:
1. From v1.2.0 to v1.2.1
$ %s migrate v1.2.1 ...
2. From v1.2.1 to v1.3.0
$ %s migrate v1.3.0 ...
To see get a full list of available migrations, use the migrations-list command.
Example:
$ %s migrate v1.2.0 /path/to/genesis.json --chain-id=commercio-testnetXXXX --genesis-time=2019-04-22T17:00:00Z
`, version.ServerName, version.ServerName, version.ServerName),
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
target := args[0]
importGenesis := args[1]
genDoc, err := types.GenesisDocFromFile(importGenesis)
if err != nil {
return err
}
var initialState extypes.AppMap
cdc.MustUnmarshalJSON(genDoc.AppState, &initialState)
migrations := migrationMap[target]
if migrations == nil {
return fmt.Errorf("unknown migration function version: %s", target)
}
newGenState := initialState
for _, migration := range migrations {
newGenState = migration(newGenState)
}
genDoc.AppState = cdc.MustMarshalJSON(newGenState)
genesisTime := cmd.Flag(flagGenesisTime).Value.String()
if genesisTime != "" {
var t time.Time
err := t.UnmarshalText([]byte(genesisTime))
if err != nil {
return err
}
genDoc.GenesisTime = t
}
chainID := cmd.Flag(flagChainID).Value.String()
if chainID != "" {
genDoc.ChainID = chainID
}
out, err := cdc.MarshalJSONIndent(genDoc, "", " ")
if err != nil {
return err
}
fmt.Println(string(sdk.MustSortJSON(out)))
return nil
},
}
cmd.Flags().String(flagGenesisTime, "", "Override genesis_time with this flag")
cmd.Flags().String(flagChainID, "", "Override chain_id with this flag")
return cmd
}