Added more test cases, minor cleanup

address_test.go

@@ -109,6 +109,10 @@ func TestGetAddressFromPrivateKeyCompression(t *testing.T) {
 	assert.NoError(t, err)
 
 	assert.NotEqual(t, addressCompressed, addressUncompressed)
+
+	addressCompressed, err = GetAddressFromPrivateKey(&bec.PrivateKey{}, true)
+	assert.Error(t, err)
+	assert.Equal(t, "", addressCompressed)
 }
 
 // ExampleGetAddressFromPrivateKey example using GetAddressFromPrivateKey()

hd_key.go

@@ -25,7 +25,7 @@ const (
 	DefaultInternalChain = 1
 )
 
-// GenerateHDKey will create a new master node for use in creating a hierarchical deterministic key chain
+// GenerateHDKey will create a new master node for use in creating a hierarchical deterministic keychain
 func GenerateHDKey(seedLength uint8) (hdKey *bip32.ExtendedKey, err error) {
 
 	// Missing or invalid seed length
@@ -44,7 +44,7 @@ func GenerateHDKey(seedLength uint8) (hdKey *bip32.ExtendedKey, err error) {
 }
 
 // GenerateHDKeyFromString will create a new master node for use in creating a
-// hierarchical deterministic key chain from an xPrivKey string
+// hierarchical deterministic keychain from an xPrivKey string
 func GenerateHDKeyFromString(xPriv string) (hdKey *bip32.ExtendedKey, err error) {
 	return bip32.NewKeyFromString(xPriv)
 }
@@ -164,7 +164,7 @@ func GetPublicKeysForPath(hdKey *bip32.ExtendedKey, num uint32) (pubKeys []*bec.
 		return
 	}
 
-	// Get the external pubkey from m/0/x
+	// Get the external pubKey from m/0/x
 	var pubKey *bec.PublicKey
 	if pubKey, err = childM0x.ECPubKey(); err != nil {
 		// Should never error since the previous method ensures a valid hdKey
@@ -179,7 +179,7 @@ func GetPublicKeysForPath(hdKey *bip32.ExtendedKey, num uint32) (pubKeys []*bec.
 		return
 	}
 
-	// Get the internal pubkey from m/1/x
+	// Get the internal pubKey from m/1/x
 	if pubKey, err = childM1x.ECPubKey(); err != nil {
 		// Should never error since the previous method ensures a valid hdKey
 		return

hd_key_test.go

@@ -358,7 +358,7 @@ func TestGetHDKeyChild(t *testing.T) {
 		expectedNil   bool
 		expectedError bool
 	}{
-		//{nil, 0, true, true},
+		// {nil, 0, true, true},
 		{validKey, 0, false, false},
 		{validKey, 10, false, false},
 		{validKey, 100, false, false},

transaction.go

@@ -260,6 +260,7 @@ func CreateTx(utxos []*Utxo, addresses []*PayToAddress,
 	// Sign the transaction
 	if privateKey != nil {
 		myAccount := &account{PrivateKey: privateKey}
+		// todo: support context (ctx)
 		if err = tx.FillAllInputs(context.Background(), myAccount); err != nil {
 			return nil, err
 		}