diff --git a/src/cpp/Crypto/KeyPair.h b/src/cpp/Crypto/KeyPair.h
index 3c259a17e..28eee3041 100644
--- a/src/cpp/Crypto/KeyPair.h
+++ b/src/cpp/Crypto/KeyPair.h
@@ -8,7 +8,7 @@
 #include <sodium.h>
 
 class UserWriteKeysIntoDB;
-
+// TODO: https://libsodium.gitbook.io/doc/advanced/ed25519-curve25519
 class KeyPair 
 {
 	friend UserWriteKeysIntoDB;
diff --git a/src/cpp/Crypto/Obfus_array.cpp b/src/cpp/Crypto/Obfus_array.cpp
index 8786b5351..8ae867bcf 100644
--- a/src/cpp/Crypto/Obfus_array.cpp
+++ b/src/cpp/Crypto/Obfus_array.cpp
@@ -12,7 +12,7 @@ ObfusArray::ObfusArray(size_t size, const unsigned char * data)
 	
 	m_offsetSize = randombytes_random() % (int)roundf((m_arraySize - m_dataSize) * 0.8f);
 
-	printf("[ObfusArray::ObfusArray] array_size: %d, start by: %d, size: %u, offset: %u\n",
+	printf("[ObfusArray::ObfusArray] array_size: %d, start by: %lld, size: %u, offset: %u\n",
 		m_arraySize, m_Data, size, m_offsetSize);
 
 	assert(m_arraySize - m_offsetSize >= size);
@@ -20,7 +20,7 @@ ObfusArray::ObfusArray(size_t size, const unsigned char * data)
 	uint32_t* d = (uint32_t*)m_Data;
 	size_t dMax = (size_t)floorf(m_arraySize / 4.0f);
 
-	printf("d start by: %d, dMax: %u\n", d, dMax);
+	printf("d start by: %lld, dMax: %u\n", d, dMax);
 	for (size_t i = 0; i < dMax; i++) {
 		d[i] = randombytes_random();
 	}
diff --git a/src/cpp/HTTPInterface/ElopageWebhook.cpp b/src/cpp/HTTPInterface/ElopageWebhook.cpp
index 9f4714192..f366fc2be 100644
--- a/src/cpp/HTTPInterface/ElopageWebhook.cpp
+++ b/src/cpp/HTTPInterface/ElopageWebhook.cpp
@@ -24,7 +24,7 @@ using namespace Poco::Data::Keywords;
 void ElopageWebhook::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::Net::HTTPServerResponse& response)
 {
 	// simply write request to file for later lookup
-	//ServerConfig::writeToFile(request.stream(), "elopage_webhook_requests.txt");
+	ServerConfig::writeToFile(request.stream(), "elopage_webhook_requests.txt");
 
 
 	std::istream& stream = request.stream();