Adds error for FromBytes

examples_test.go

@@ -74,7 +74,10 @@ func ExampleToHex() {
 func ExampleFromBytes() {
 	// Generate a mnemonic from a byte slice
 	bytes := []byte{'z', 35, 67, 0xff, 0x89, 0, 0xcd, 0xef}
-	words := mnemonic.FromBytes(bytes)
+	words, err := mnemonic.FromBytes(bytes)
+	if err != nil {
+		panic(err)
+	}
 
 	fmt.Println(words)
 	// Output: [kick borrow zoo bamboo art wasp]

mnemonic.go

@@ -73,9 +73,9 @@ func FromHex(data string) ([]string, error) {
 
 // FromBytes converts a byte slice to a list of mnemonic words.
 // The length in bits of the byte slice must be a multiple of 32.
-func FromBytes(data []byte) []string {
-	words, _ := FromBigIntFixed(big.NewInt(0).SetBytes(data), len(data)*bitsPerByte)
-	return words
+func FromBytes(data []byte) ([]string, error) {
+	return FromBigIntFixed(big.NewInt(0).SetBytes(data), len(data)*bitsPerByte)
+
 }
 
 // FromUint32WithObfuscation behaves the same as FromUint, but the provided data is obfuscated first.

mnemonic_test.go

@@ -43,7 +43,11 @@ func TestFromHex(t *testing.T) {
 func TestFromBytes(t *testing.T) {
 	t.Parallel()
 	bytes := []byte{0, 0, 0x45, 0x67, 0x89, 0xab, 0, 0}
-	words := mnemonic.FromBytes(bytes)
+	words, err := mnemonic.FromBytes(bytes)
+	if err != nil {
+		t.Errorf("Error converting bytes to mnemonic: %v", err)
+		return
+	}
 
 	decodedBytes, err := mnemonic.ToBytes(words)
 	if err != nil {