No commit suggestions generated

mpc/protocol.go

@@ -0,0 +1,91 @@
+package mpc
+
+import (
+	"github.com/sonr-io/sonr/crypto/core/protocol"
+	"github.com/sonr-io/sonr/crypto/tecdsa/dklsv1"
+)
+
+// NewEnclave generates a new MPC keyshare
+func NewEnclave() (Enclave, error) {
+	curve := K256Name.Curve()
+	valKs := dklsv1.NewAliceDkg(curve, protocol.Version1)
+	userKs := dklsv1.NewBobDkg(curve, protocol.Version1)
+	aErr, bErr := RunProtocol(userKs, valKs)
+	if err := CheckIteratedErrors(aErr, bErr); err != nil {
+		return nil, err
+	}
+	valRes, err := valKs.Result(protocol.Version1)
+	if err != nil {
+		return nil, err
+	}
+	userRes, err := userKs.Result(protocol.Version1)
+	if err != nil {
+		return nil, err
+	}
+	return ImportEnclave(WithInitialShares(valRes, userRes, K256Name))
+}
+
+// ExecuteSigning runs the MPC signing protocol
+func ExecuteSigning(signFuncVal SignFunc, signFuncUser SignFunc) ([]byte, error) {
+	aErr, bErr := RunProtocol(signFuncVal, signFuncUser)
+	if err := CheckIteratedErrors(aErr, bErr); err != nil {
+		return nil, err
+	}
+	out, err := signFuncUser.Result(protocol.Version1)
+	if err != nil {
+		return nil, err
+	}
+	s, err := dklsv1.DecodeSignature(out)
+	if err != nil {
+		return nil, err
+	}
+	sig, err := SerializeSignature(s)
+	if err != nil {
+		return nil, err
+	}
+	return sig, nil
+}
+
+// ExecuteRefresh runs the MPC refresh protocol
+func ExecuteRefresh(
+	refreshFuncVal RefreshFunc,
+	refreshFuncUser RefreshFunc,
+	curve CurveName,
+) (Enclave, error) {
+	aErr, bErr := RunProtocol(refreshFuncVal, refreshFuncUser)
+	if err := CheckIteratedErrors(aErr, bErr); err != nil {
+		return nil, err
+	}
+	valRefreshResult, err := refreshFuncVal.Result(protocol.Version1)
+	if err != nil {
+		return nil, err
+	}
+	userRefreshResult, err := refreshFuncUser.Result(protocol.Version1)
+	if err != nil {
+		return nil, err
+	}
+	return ImportEnclave(WithInitialShares(valRefreshResult, userRefreshResult, curve))
+}
+
+// RunProtocol runs the MPC protocol
+func RunProtocol(firstParty protocol.Iterator, secondParty protocol.Iterator) (error, error) {
+	var (
+		message *protocol.Message
+		aErr    error
+		bErr    error
+	)
+
+	for aErr != protocol.ErrProtocolFinished || bErr != protocol.ErrProtocolFinished {
+		// Crank each protocol forward one iteration
+		message, bErr = firstParty.Next(message)
+		if bErr != nil && bErr != protocol.ErrProtocolFinished {
+			return nil, bErr
+		}
+
+		message, aErr = secondParty.Next(message)
+		if aErr != nil && aErr != protocol.ErrProtocolFinished {
+			return aErr, nil
+		}
+	}
+	return aErr, bErr
+}