Merge pull request #91 from KenshiTech/replace-base58-87

Replace base58 with hex

src/crypto/bls/store.go

@@ -1,6 +1,7 @@
 package bls
 
 import (
+	"encoding/hex"
 	"math/big"
 
 	"github.com/KenshiTech/unchained/address"
@@ -17,38 +18,52 @@ var ClientPublicKey *bls12381.G2Affine
 var ClientShortPublicKey *bls12381.G1Affine
 var ClientSigner Signer
 
+func saveConfig() {
+	pkBytes := ClientPublicKey.Bytes()
+
+	config.Secrets.Set("secretKey", hex.EncodeToString(ClientSecretKey.Bytes()))
+	config.Secrets.Set("publicKey", hex.EncodeToString(pkBytes[:]))
+
+	err := config.Secrets.WriteConfig()
+
+	if err != nil {
+		panic(err)
+	}
+}
+
 func InitClientIdentity() {
 	var err error
-	var pkBytes [96]byte
 
 	if config.Secrets.IsSet("secretKey") {
-		decoded := base58.Decode(config.Secrets.GetString("secretKey"))
+		secretKeyFromConfig := config.Secrets.GetString("secretKey")
+		decoded, err := hex.DecodeString(secretKeyFromConfig)
+
+		if err != nil {
+			// TODO: Backwards compatibility with base58 encoded secret keys
+			// Remove this after a few releases
+			decoded = base58.Decode(secretKeyFromConfig)
+		}
 
 		ClientSecretKey = new(big.Int)
 		ClientSecretKey.SetBytes(decoded)
-
 		ClientPublicKey = GetPublicKey(ClientSecretKey)
-		pkBytes = ClientPublicKey.Bytes()
-	} else {
-		ClientSecretKey, ClientPublicKey, err = GenerateKeyPair()
 
 		if err != nil {
-			panic(err)
+			saveConfig()
 		}
-
-		pkBytes = ClientPublicKey.Bytes()
-
-		config.Secrets.Set("secretKey", base58.Encode(ClientSecretKey.Bytes()))
-		config.Secrets.Set("publicKey", base58.Encode(pkBytes[:]))
-
-		err = config.Secrets.WriteConfig()
+	} else {
+		ClientSecretKey, ClientPublicKey, err = GenerateKeyPair()
 
 		if err != nil {
 			panic(err)
 		}
+
+		saveConfig()
 	}
 
 	ClientShortPublicKey = GetShortPublicKey(ClientSecretKey)
+
+	pkBytes := ClientPublicKey.Bytes()
 	addrStr := address.Calculate(pkBytes[:])
 
 	ClientSigner = Signer{
@@ -63,7 +78,7 @@ func InitClientIdentity() {
 		Info("Unchained")
 
 	// TODO: Avoid recalculating this
-	config.Secrets.Set("publicKey", base58.Encode(pkBytes[:]))
+	config.Secrets.Set("publicKey", hex.EncodeToString(pkBytes[:]))
 
 	if !config.Secrets.IsSet("address") {
 		config.Secrets.Set("address", addrStr)