87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package client
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import (
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"fmt"
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"os"
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"path"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/tendermint/tendermint/libs/cli"
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"github.com/cosmos/cosmos-sdk/client/flags"
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ethermint "github.com/tharsis/ethermint/types"
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)
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// InitConfig adds the chain-id, encoding and output flags to the persistent flag set.
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func InitConfig(cmd *cobra.Command) error {
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home, err := cmd.PersistentFlags().GetString(cli.HomeFlag)
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if err != nil {
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return err
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}
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configFile := path.Join(home, "config", "config.toml")
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if _, err := os.Stat(configFile); err == nil {
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viper.SetConfigFile(configFile)
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if err := viper.ReadInConfig(); err != nil {
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return err
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}
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}
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if err := viper.BindPFlag(flags.FlagChainID, cmd.PersistentFlags().Lookup(flags.FlagChainID)); err != nil {
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return err
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}
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if err := viper.BindPFlag(cli.EncodingFlag, cmd.PersistentFlags().Lookup(cli.EncodingFlag)); err != nil {
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return err
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}
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return viper.BindPFlag(cli.OutputFlag, cmd.PersistentFlags().Lookup(cli.OutputFlag))
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}
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// GenerateChainID wraps a cobra command with a RunE function with base 10 integer chain-id random generation
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// when a chain-id is not provided.
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func GenerateChainID(baseCmd *cobra.Command) *cobra.Command {
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// Copy base run command to be used after chain verification
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baseRunE := baseCmd.RunE
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// Function to replace command's RunE function
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generateFn := func(cmd *cobra.Command, args []string) error {
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chainID, _ := cmd.Flags().GetString(flags.FlagChainID)
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if chainID != "" {
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if err := cmd.Flags().Set(flags.FlagChainID, ethermint.GenerateRandomChainID()); err != nil {
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return fmt.Errorf("could not set random chain-id: %w", err)
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}
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}
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return baseRunE(cmd, args)
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}
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baseCmd.RunE = generateFn
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return baseCmd
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}
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// ValidateChainID wraps a cobra command with a RunE function with base 10 integer chain-id verification.
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func ValidateChainID(baseCmd *cobra.Command) *cobra.Command {
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// Copy base run command to be used after chain verification
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baseRunE := baseCmd.RunE
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// Function to replace command's RunE function
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validateFn := func(cmd *cobra.Command, args []string) error {
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chainID, _ := cmd.Flags().GetString(flags.FlagChainID)
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if !ethermint.IsValidChainID(chainID) {
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return fmt.Errorf("invalid chain-id format: %s", chainID)
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}
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return baseRunE(cmd, args)
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}
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baseCmd.RunE = validateFn
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return baseCmd
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}
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