forked from cosmos/cosmos-sdk
/
validate_genesis.go
71 lines (58 loc) · 2.16 KB
/
validate_genesis.go
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package cli
import (
"encoding/json"
"fmt"
"github.com/spf13/cobra"
tmtypes "github.com/tendermint/tendermint/types"
"github.com/JaTochNietDan/cosmos-sdk/client"
"github.com/JaTochNietDan/cosmos-sdk/server"
"github.com/JaTochNietDan/cosmos-sdk/types/module"
)
const chainUpgradeGuide = "https://docs.cosmos.network/master/migrations/chain-upgrade-guide-040.html"
// ValidateGenesisCmd takes a genesis file, and makes sure that it is valid.
func ValidateGenesisCmd(mbm module.BasicManager) *cobra.Command {
return &cobra.Command{
Use: "validate-genesis [file]",
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.JSONMarshaler
// 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]
}
genDoc, err := validateGenDoc(genesis)
if err != nil {
return err
}
var genState map[string]json.RawMessage
if err = json.Unmarshal(genDoc.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.Printf("File at %s is a valid genesis file\n", genesis)
return nil
},
}
}
// validateGenDoc reads a genesis file and validates that it is a correct
// Tendermint GenesisDoc. This function does not do any cosmos-related
// validation.
func validateGenDoc(importGenesisFile string) (*tmtypes.GenesisDoc, error) {
genDoc, err := tmtypes.GenesisDocFromFile(importGenesisFile)
if err != nil {
return nil, fmt.Errorf("%s. Make sure that"+
" you have correctly migrated all Tendermint consensus params, please see the"+
" chain migration guide at %s for more info",
err.Error(), chainUpgradeGuide,
)
}
return genDoc, nil
}