Added generateSecretPhrase

Creating a 12-word secret phrase (nmonic) based on the blox private key

cmd/blox/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"crypto/sha256"
 	"encoding/base64"
 	"encoding/hex"
 	"encoding/json"
@@ -43,6 +44,7 @@ import (
 	"github.com/mdp/qrterminal"
 	"github.com/multiformats/go-multiaddr"
 	manet "github.com/multiformats/go-multiaddr/net"
+	bip39 "github.com/tyler-smith/go-bip39"
 	"github.com/urfave/cli/v2"
 	"github.com/urfave/cli/v2/altsrc"
 	"gopkg.in/yaml.v3"
@@ -72,13 +74,14 @@ var (
 	logger = logging.Logger("fula/cmd/blox")
 	app    struct {
 		cli.App
-		initOnly           bool
-		blockchainEndpoint string
-		secretsPath        string
-		generateNodeKey    bool
-		wireless           bool
-		configPath         string
-		config             struct {
+		initOnly             bool
+		blockchainEndpoint   string
+		secretsPath          string
+		generateNodeKey      bool
+		generateSecretPhrase bool
+		wireless             bool
+		configPath           string
+		config               struct {
 			Identity                  string        `yaml:"identity"`
 			StoreDir                  string        `yaml:"storeDir"`
 			PoolName                  string        `yaml:"poolName"`
@@ -377,6 +380,11 @@ func init() {
 				Usage:       "Generate node key from identity",
 				Destination: &app.generateNodeKey,
 			},
+			&cli.BoolFlag{
+				Name:        "generateSecretPhrase",
+				Usage:       "Generate 12-word Secret Phrase from identity",
+				Destination: &app.generateSecretPhrase,
+			},
 			&cli.StringFlag{
 				Name:        "blockchainEndpoint",
 				Usage:       "Change the blockchain APIs endpoint",
@@ -611,6 +619,22 @@ func action(ctx *cli.Context) error {
 		fmt.Print(nodeKey)
 		return nil // Exit after generating the node key
 	}
+	if app.generateSecretPhrase {
+		// Execute ConvertBase64PrivateKeyToHexNodeKey with the identity as input
+		hash := sha256.Sum256([]byte(app.config.Identity))
+
+		// Convert the first 128 bits of the hash to entropy for a 12-word mnemonic.
+		// BIP39 expects entropy to be a multiple of 32 bits, so we use the first 16 bytes of the hash.
+		entropy := hash[:16]
+
+		// Generate the mnemonic from the entropy
+		mnemonic, err := bip39.NewMnemonic(entropy)
+		if err != nil {
+			return fmt.Errorf("error NewMnemonic: %v", err)
+		}
+		fmt.Print(mnemonic)
+		return nil // Exit after generating the node key
+	}
 	authorizer, err := peer.Decode(app.config.Authorizer)
 	if err != nil {
 		return err

go.mod

@@ -214,6 +214,7 @@ require (
 	github.com/stretchr/testify v1.8.4 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
 	github.com/twmb/murmur3 v1.1.8 // indirect
+	github.com/tyler-smith/go-bip39 v1.1.0
 	github.com/ucarion/urlpath v0.0.0-20200424170820-7ccc79b76bbb // indirect
 	github.com/whyrusleeping/base32 v0.0.0-20170828182744-c30ac30633cc // indirect
 	github.com/whyrusleeping/cbor v0.0.0-20171005072247-63513f603b11 // indirect

go.sum

@@ -864,6 +864,8 @@ github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c h1:u6SKchux2yDvFQnDH
 github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c/go.mod h1:hzIxponao9Kjc7aWznkXaL4U4TWaDSs8zcsY4Ka08nM=
 github.com/twmb/murmur3 v1.1.8 h1:8Yt9taO/WN3l08xErzjeschgZU2QSrwm1kclYq+0aRg=
 github.com/twmb/murmur3 v1.1.8/go.mod h1:Qq/R7NUyOfr65zD+6Q5IHKsJLwP7exErjN6lyyq3OSQ=
+github.com/tyler-smith/go-bip39 v1.1.0 h1:5eUemwrMargf3BSLRRCalXT93Ns6pQJIjYQN2nyfOP8=
+github.com/tyler-smith/go-bip39 v1.1.0/go.mod h1:gUYDtqQw1JS3ZJ8UWVcGTGqqr6YIN3CWg+kkNaLt55U=
 github.com/ucarion/urlpath v0.0.0-20200424170820-7ccc79b76bbb h1:Ywfo8sUltxogBpFuMOFRrrSifO788kAFxmvVw31PtQQ=
 github.com/ucarion/urlpath v0.0.0-20200424170820-7ccc79b76bbb/go.mod h1:ikPs9bRWicNw3S7XpJ8sK/smGwU9WcSVU3dy9qahYBM=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=