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keys.go
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keys.go
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package main
import (
"bufio"
"fmt"
"github.com/cosmos/cosmos-sdk/client/input"
ckeys "github.com/cosmos/cosmos-sdk/client/keys"
"github.com/cosmos/cosmos-sdk/crypto/keys"
"github.com/cosmos/go-bip39"
"github.com/spf13/cobra"
)
const (
flagAccount = "account"
flagIndex = "index"
flagCoinType = "coin-type"
flagRecover = "recover"
)
func keysCmd(c *Context) *cobra.Command {
cmd := &cobra.Command{
Use: "keys",
Aliases: []string{"k"},
Short: "Manage key held by the oracle process",
}
cmd.AddCommand(keysAddCmd(c))
cmd.AddCommand(keysDeleteCmd(c))
cmd.AddCommand(keysListCmd(c))
cmd.AddCommand(keysShowCmd(c))
return cmd
}
func keysAddCmd(c *Context) *cobra.Command {
cmd := &cobra.Command{
Use: "add [name]",
Aliases: []string{"a"},
Short: "Add a new key to the keychain",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
var mnemonic string
recover, err := cmd.Flags().GetBool(flagRecover)
if err != nil {
return err
}
if recover {
inBuf := bufio.NewReader(cmd.InOrStdin())
var err error
mnemonic, err = input.GetString("Enter your bip39 mnemonic", inBuf)
if err != nil {
return err
}
} else {
seed, err := bip39.NewEntropy(256)
if err != nil {
return err
}
mnemonic, err = bip39.NewMnemonic(seed)
if err != nil {
return err
}
fmt.Printf("Mnemonic: %s\n", mnemonic)
}
if err != nil {
return err
}
account, err := cmd.Flags().GetUint32(flagAccount)
if err != nil {
return err
}
index, err := cmd.Flags().GetUint32(flagIndex)
if err != nil {
return err
}
hdPath := keys.CreateHDPath(account, index)
info, err := keybase.CreateAccount(args[0], mnemonic, "", ckeys.DefaultKeyPass, hdPath.String(), keys.Secp256k1)
if err != nil {
return err
}
fmt.Printf("Address: %s\n", info.GetAddress().String())
return nil
},
}
cmd.Flags().Bool(flagRecover, false, "Provide seed phrase to recover existing key instead of creating")
cmd.Flags().Uint32(flagAccount, 0, "Account number for HD derivation")
cmd.Flags().Uint32(flagIndex, 0, "Address index number for HD derivation")
return cmd
}
func keysDeleteCmd(c *Context) *cobra.Command {
cmd := &cobra.Command{
Use: "delete [name]",
Aliases: []string{"d"},
Short: "Delete a key from the keychain",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
name := args[0]
_, err := keybase.Get(name)
if err != nil {
return err
}
inBuf := bufio.NewReader(cmd.InOrStdin())
confirmInput, err := input.GetString("Key will be deleted. Continue?[y/N]", inBuf)
if err != nil {
return err
}
if confirmInput != "y" {
fmt.Println("Cancel")
return nil
}
if err := keybase.Delete(name, "", true); err != nil {
return err
}
fmt.Printf("Deleted key: %s\n", name)
return nil
},
}
return cmd
}
func keysListCmd(c *Context) *cobra.Command {
cmd := &cobra.Command{
Use: "list",
Aliases: []string{"l"},
Short: "List all the keys in the keychain",
Args: cobra.ExactArgs(0),
RunE: func(cmd *cobra.Command, args []string) error {
keys, err := keybase.List()
if err != nil {
return err
}
for _, key := range keys {
fmt.Printf("%s => %s\n", key.GetName(), key.GetAddress().String())
}
return nil
},
}
return cmd
}
func keysShowCmd(c *Context) *cobra.Command {
cmd := &cobra.Command{
Use: "show [name]",
Aliases: []string{"s"},
Short: "Show address from name in the keychain",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
name := args[0]
key, err := keybase.Get(name)
if err != nil {
return err
}
fmt.Println(key.GetAddress().String())
return nil
},
}
return cmd
}