feat(wallet-cmd): add Neuter command for wallet (#1683)

Author: Ja7ad

cmd/wallet/main.go

@@ -64,6 +64,7 @@ func main() {
 	buildAllAddrCmd(rootCmd)
 	buildAllHistoryCmd(rootCmd)
 	buildInfoCmd(rootCmd)
+	buildNeuterCmd(rootCmd)
 
 	err := rootCmd.Execute()
 	if err != nil {

cmd/wallet/neuter.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/ipfs/boxo/util"
+	"github.com/pactus-project/pactus/cmd"
+	"github.com/spf13/cobra"
+)
+
+func buildNeuterCmd(parentCmd *cobra.Command) {
+	neuterCmd := &cobra.Command{
+		Use:   "neuter",
+		Short: "convert full wallet to neutered wallet and can only be used to retrieve balances or stakes",
+	}
+	parentCmd.AddCommand(neuterCmd)
+
+	neuterCmd.Run = func(_ *cobra.Command, _ []string) {
+		wlt, err := openWallet()
+		cmd.FatalErrorCheck(err)
+
+		path := wlt.Path() + ".neutered"
+
+		if util.FileExists(path) {
+			cmd.FatalErrorCheck(fmt.Errorf("neutered wallet already exists, at %s", path))
+		}
+
+		neuteredWallet := wlt.Neuter(path)
+
+		err = neuteredWallet.Save()
+		cmd.FatalErrorCheck(err)
+
+		cmd.PrintSuccessMsgf("neutered wallet created at %s", path)
+	}
+}

wallet/store.go

@@ -49,6 +49,21 @@ func (s *Store) ToBytes() ([]byte, error) {
 	return json.MarshalIndent(s, "  ", "  ")
 }
 
+func (s *Store) Clone() *Store {
+	clonedVault := *s.Vault // Assuming Vault has proper pointer handling internally
+	clonedHistory := s.History
+
+	return &Store{
+		Version:   s.Version,
+		UUID:      s.UUID,
+		CreatedAt: s.CreatedAt,
+		Network:   s.Network,
+		VaultCRC:  s.VaultCRC,
+		Vault:     &clonedVault,
+		History:   clonedHistory,
+	}
+}
+
 func (s *Store) ValidateCRC() error {
 	crc := s.calcVaultCRC()
 	if s.VaultCRC != crc {

wallet/wallet.go

@@ -548,3 +548,16 @@ func (w *Wallet) Info() *Info {
 		CreatedAt:  w.store.CreatedAt,
 	}
 }
+
+// Neuter clones the wallet and neuters it and saves it at the given path.
+func (w *Wallet) Neuter(path string) *Wallet {
+	clonedStore := w.store.Clone()
+	clonedStore.Vault = w.store.Vault.Neuter()
+
+	neuteredWallet := &Wallet{
+		store: clonedStore,
+		path:  path,
+	}
+
+	return neuteredWallet
+}