72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package cli
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import (
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"encoding/json"
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"fmt"
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"github.com/spf13/cobra"
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tmtypes "github.com/tendermint/tendermint/types"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/server"
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"github.com/cosmos/cosmos-sdk/types/module"
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)
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const chainUpgradeGuide = "https://docs.cosmos.network/master/migrations/chain-upgrade-guide-040.html"
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// ValidateGenesisCmd takes a genesis file, and makes sure that it is valid.
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func ValidateGenesisCmd(mbm module.BasicManager) *cobra.Command {
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return &cobra.Command{
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Use: "validate-genesis [file]",
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Args: cobra.RangeArgs(0, 1),
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Short: "validates the genesis file at the default location or at the location passed as an arg",
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RunE: func(cmd *cobra.Command, args []string) (err error) {
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serverCtx := server.GetServerContextFromCmd(cmd)
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clientCtx := client.GetClientContextFromCmd(cmd)
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cdc := clientCtx.Codec
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// Load default if passed no args, otherwise load passed file
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var genesis string
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if len(args) == 0 {
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genesis = serverCtx.Config.GenesisFile()
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} else {
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genesis = args[0]
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}
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genDoc, err := validateGenDoc(genesis)
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if err != nil {
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return err
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}
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var genState map[string]json.RawMessage
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if err = json.Unmarshal(genDoc.AppState, &genState); err != nil {
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return fmt.Errorf("error unmarshalling genesis doc %s: %s", genesis, err.Error())
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}
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if err = mbm.ValidateGenesis(cdc, clientCtx.TxConfig, genState); err != nil {
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return fmt.Errorf("error validating genesis file %s: %s", genesis, err.Error())
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}
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fmt.Printf("File at %s is a valid genesis file\n", genesis)
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return nil
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},
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}
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}
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// validateGenDoc reads a genesis file and validates that it is a correct
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// Tendermint GenesisDoc. This function does not do any cosmos-related
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// validation.
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func validateGenDoc(importGenesisFile string) (*tmtypes.GenesisDoc, error) {
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genDoc, err := tmtypes.GenesisDocFromFile(importGenesisFile)
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if err != nil {
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return nil, fmt.Errorf("%s. Make sure that"+
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" you have correctly migrated all Tendermint consensus params, please see the"+
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" chain migration guide at %s for more info",
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err.Error(), chainUpgradeGuide,
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)
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}
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return genDoc, nil
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}
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