feat: Waku v2 bridge

Issue #12610

vendor/github.com/status-im/status-go/common/utils.go

@@ -0,0 +1,24 @@
+package common
+
+import (
+	"crypto/ecdsa"
+
+	"github.com/status-im/status-go/eth-node/crypto"
+	"github.com/status-im/status-go/protocol/protobuf"
+)
+
+func RecoverKey(m *protobuf.ApplicationMetadataMessage) (*ecdsa.PublicKey, error) {
+	if m.Signature == nil {
+		return nil, nil
+	}
+
+	recoveredKey, err := crypto.SigToPub(
+		crypto.Keccak256(m.Payload),
+		m.Signature,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return recoveredKey, nil
+}