refactor/internal (#1216)

* refactor: update import paths in gateway handlers

* refactor: remove obsolete devtools Makefile and README

* build: optimize build process for improved efficiency

* refactor: remove obsolete pkl files related to Matrix and Sonr network configurations

* refactor: move embed code to x/dwn/types

internal/crypto/tecdsa/dklsv1/sign/multiply_test.go

@@ -0,0 +1,48 @@
+//
+// Copyright Coinbase, Inc. All Rights Reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package sign
+
+import (
+	"crypto/rand"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/onsonr/sonr/internal/crypto/core/curves"
+	"github.com/onsonr/sonr/internal/crypto/ot/base/simplest"
+	"github.com/onsonr/sonr/internal/crypto/ot/extension/kos"
+	"github.com/onsonr/sonr/internal/crypto/ot/ottest"
+)
+
+func TestMultiply(t *testing.T) {
+	curve := curves.K256()
+	hashKeySeed := [simplest.DigestSize]byte{}
+	_, err := rand.Read(hashKeySeed[:])
+	require.NoError(t, err)
+
+	baseOtSenderOutput, baseOtReceiverOutput, err := ottest.RunSimplestOT(curve, kos.Kappa, hashKeySeed)
+	require.NoError(t, err)
+
+	sender, err := NewMultiplySender(baseOtReceiverOutput, curve, hashKeySeed)
+	require.NoError(t, err)
+	receiver, err := NewMultiplyReceiver(baseOtSenderOutput, curve, hashKeySeed)
+	require.NoError(t, err)
+
+	alpha := curve.Scalar.Random(rand.Reader)
+	beta := curve.Scalar.Random(rand.Reader)
+
+	round1Output, err := receiver.Round1Initialize(beta)
+	require.Nil(t, err)
+	round2Output, err := sender.Round2Multiply(alpha, round1Output)
+	require.Nil(t, err)
+	err = receiver.Round3Multiply(round2Output)
+	require.Nil(t, err)
+
+	product := alpha.Mul(beta)
+	sum := sender.outputAdditiveShare.Add(receiver.outputAdditiveShare)
+	require.Equal(t, product, sum)
+}