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validate_genesis.go
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validate_genesis.go
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package cli
import (
"encoding/json"
"fmt"
"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/server"
"github.com/cosmos/cosmos-sdk/types/module"
"github.com/cosmos/cosmos-sdk/x/genutil/types"
)
const chainUpgradeGuide = "https://github.com/cosmos/cosmos-sdk/blob/main/UPGRADING.md"
// ValidateGenesisCmd takes a genesis file, and makes sure that it is valid.
func ValidateGenesisCmd(mbm module.BasicManager) *cobra.Command {
return &cobra.Command{
Use: "validate [file]",
Aliases: []string{"validate-genesis"},
Args: cobra.RangeArgs(0, 1),
Short: "Validates the genesis file at the default location or at the location passed as an arg",
RunE: func(cmd *cobra.Command, args []string) (err error) {
serverCtx := server.GetServerContextFromCmd(cmd)
clientCtx := client.GetClientContextFromCmd(cmd)
cdc := clientCtx.Codec
// Load default if passed no args, otherwise load passed file
var genesis string
if len(args) == 0 {
genesis = serverCtx.Config.GenesisFile()
} else {
genesis = args[0]
}
appGenesis, err := types.AppGenesisFromFile(genesis)
if err != nil {
return err
}
if err := appGenesis.ValidateAndComplete(); err != nil {
return fmt.Errorf("make sure that you have correctly migrated all CometBFT consensus params. Refer the UPGRADING.md (%s): %w", chainUpgradeGuide, err)
}
var genState map[string]json.RawMessage
if err = json.Unmarshal(appGenesis.AppState, &genState); err != nil {
return fmt.Errorf("error unmarshalling genesis doc %s: %s", genesis, err.Error())
}
if err = mbm.ValidateGenesis(cdc, clientCtx.TxConfig, genState); err != nil {
return fmt.Errorf("error validating genesis file %s: %s", genesis, err.Error())
}
fmt.Fprintf(cmd.OutOrStdout(), "File at %s is a valid genesis file\n", genesis)
return nil
},
}
}