f78ed4997f
Co-authored-by: Eric Mokaya <4112301+ziscky@users.noreply.github.com> Co-authored-by: marbar3778 <marbar3778@yahoo.com>
79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
package cli
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"strings"
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"github.com/spf13/cobra"
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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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"github.com/cosmos/cosmos-sdk/x/genutil/types"
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)
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const chainUpgradeGuide = "https://github.com/cosmos/cosmos-sdk/blob/main/UPGRADING.md"
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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 [file]",
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Aliases: []string{"validate-genesis"},
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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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appGenesis, err := types.AppGenesisFromFile(genesis)
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if err != nil {
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return enrichUnmarshalError(err)
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}
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if err := appGenesis.ValidateAndComplete(); err != nil {
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return fmt.Errorf("make sure that you have correctly migrated all CometBFT consensus params. Refer the UPGRADING.md (%s): %w", chainUpgradeGuide, err)
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}
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var genState map[string]json.RawMessage
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if err := json.Unmarshal(appGenesis.AppState, &genState); err != nil {
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if strings.Contains(err.Error(), "unexpected end of JSON input") {
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return fmt.Errorf("app_state is missing in the genesis file: %s", err.Error())
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}
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return fmt.Errorf("error unmarshalling genesis doc %s: %w", genesis, err)
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}
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if err = mbm.ValidateGenesis(cdc, clientCtx.TxConfig, genState); err != nil {
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errStr := fmt.Sprintf("error validating genesis file %s: %s", genesis, err.Error())
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if errors.Is(err, io.EOF) {
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errStr = fmt.Sprintf("%s: section is missing in the app_state", errStr)
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}
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return fmt.Errorf("%s", errStr)
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}
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fmt.Fprintf(cmd.OutOrStdout(), "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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func enrichUnmarshalError(err error) error {
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var syntaxErr *json.SyntaxError
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if errors.As(err, &syntaxErr) {
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return fmt.Errorf("error at offset %d: %s", syntaxErr.Offset, syntaxErr.Error())
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}
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return err
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}
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