This repository has been archived by the owner on Nov 30, 2021. It is now read-only.
/
config.go
83 lines (63 loc) · 2.19 KB
/
config.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
package client
import (
"fmt"
"os"
"path"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/tendermint/tendermint/libs/cli"
"github.com/cosmos/cosmos-sdk/client/flags"
ethermint "github.com/cosmos/ethermint/types"
)
// InitConfig adds the chain-id, encoding and output flags to the persistent flag set.
func InitConfig(cmd *cobra.Command) error {
home, err := cmd.PersistentFlags().GetString(cli.HomeFlag)
if err != nil {
return err
}
configFile := path.Join(home, "config", "config.toml")
if _, err := os.Stat(configFile); err == nil {
viper.SetConfigFile(configFile)
if err := viper.ReadInConfig(); err != nil {
return err
}
}
if err := viper.BindPFlag(flags.FlagChainID, cmd.PersistentFlags().Lookup(flags.FlagChainID)); err != nil {
return err
}
if err := viper.BindPFlag(cli.EncodingFlag, cmd.PersistentFlags().Lookup(cli.EncodingFlag)); err != nil {
return err
}
return viper.BindPFlag(cli.OutputFlag, cmd.PersistentFlags().Lookup(cli.OutputFlag))
}
// ValidateChainID wraps a cobra command with a RunE function with base 10 integer chain-id verification.
func ValidateChainID(baseCmd *cobra.Command) *cobra.Command {
// Copy base run command to be used after chain verification
baseRunE := baseCmd.RunE
// Function to replace command's RunE function
validateFn := func(cmd *cobra.Command, args []string) error {
chainID := viper.GetString(flags.FlagChainID)
if !ethermint.IsValidChainID(chainID) {
return fmt.Errorf("invalid chain-id format: %s", chainID)
}
return baseRunE(cmd, args)
}
baseCmd.RunE = validateFn
return baseCmd
}
// GenerateChainID wraps a cobra command with a RunE function with base 10 integer chain-id random generation
// when a chain-id is not provided.
func GenerateChainID(baseCmd *cobra.Command) *cobra.Command {
// Copy base run command to be used after chain verification
baseRunE := baseCmd.RunE
// Function to replace command's RunE function
generateFn := func(cmd *cobra.Command, args []string) error {
chainID := viper.GetString(flags.FlagChainID)
if chainID == "" {
viper.Set(flags.FlagChainID, ethermint.GenerateRandomChainID())
}
return baseRunE(cmd, args)
}
baseCmd.RunE = generateFn
return baseCmd
}