Splited encoding per object type, added public methods for serialization

bson/encoding_thresholdpublickey_test.go

@@ -0,0 +1,37 @@
+package bson
+
+import (
+	"math/big"
+	"reflect"
+	"testing"
+
+	"github.com/keep-network/paillier"
+)
+
+func TestThresholdKeyBSON(t *testing.T) {
+	key := &paillier.ThresholdPublicKey{
+		PublicKey:                      paillier.PublicKey{b(9)},
+		TotalNumberOfDecryptionServers: 7,
+		Threshold:                      6,
+		V:                              b(3),
+		Vi:                             []*big.Int{b(2), b(34)},
+	}
+
+	serialized, err := SerializeThresholdPublicKey(key)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	deserialized, err := DeserializeThresholdPublicKey(serialized)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !reflect.DeepEqual(key, deserialized) {
+		t.Errorf(
+			"Unexpected serialization result\nActual: %v\nExpected: %v\n",
+			deserialized,
+			key,
+		)
+	}
+}