Get initial framework for exporting raw keys working

cmd/wallet_export_account.go

@@ -0,0 +1,77 @@
+/*
+Copyright © 2023 Glif LTD
+*/
+package cmd
+
+import (
+	"encoding/hex"
+	"fmt"
+
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/ethereum/go-ethereum/accounts"
+	"github.com/ethereum/go-ethereum/accounts/keystore"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/glifio/cli/util"
+	"github.com/spf13/cobra"
+)
+
+// exportAccountCmd represents the export-account command
+var exportAccountCmd = &cobra.Command{
+	Use:   "export-raw-key [account-name or account-address]",
+	Short: "(Dangerous) Export a single private key account",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		reallyDo, err := cmd.Flags().GetBool("really-do-it")
+		if err != nil {
+			logFatal(err)
+		}
+
+		if !reallyDo {
+			logFatal("DANGEROUS COMMAND - are you really trying to export a raw private key from your wallet? If so, you must pass --really-do-it to complete the export")
+		}
+
+		addrNameToExport := args[0]
+
+		as := util.AccountsStore()
+		addrStr, err := as.Get(addrNameToExport)
+		if err != nil {
+			logFatal(err)
+		}
+
+		ks := util.KeyStore()
+
+		account, err := ks.Find(accounts.Account{Address: common.HexToAddress(addrStr)})
+		if err != nil {
+			logFatal(err)
+		}
+
+		var passphrase string
+		var message = "Passphrase for account"
+		err = ks.Unlock(account, "")
+		if err != nil {
+			prompt := &survey.Password{Message: message}
+			survey.AskOne(prompt, &passphrase)
+			if passphrase == "" {
+				fmt.Println("Aborted")
+				return
+			}
+		}
+
+		keyJSON, err := ks.Export(account, passphrase, "")
+		if err != nil {
+			logFatal(err)
+		}
+
+		key, err := keystore.DecryptKey(keyJSON, "")
+		if err != nil {
+			logFatal(err)
+		}
+
+		fmt.Println("Private key: ", hex.EncodeToString(key.PrivateKey.D.Bytes()))
+	},
+}
+
+func init() {
+	walletCmd.AddCommand(exportAccountCmd)
+	exportAccountCmd.Flags().Bool("really-do-it", false, "really export the account")
+}