[Node] Only allow 1 node with the same public key

src/Components/Modules/Node.cpp

@@ -484,6 +484,15 @@ namespace Components
 					return;
 				}
 
+				for (auto& node : Node::Nodes)
+				{
+					if (node.publicKey == entry->publicKey)
+					{
+						entry->lastTime = Game::Sys_Milliseconds();
+						entry->state = Node::STATE_INVALID;
+					}
+				}
+
 				// Mark as registered
 				entry->lastTime = Game::Sys_Milliseconds();
 				entry->state = Node::STATE_VALID;

src/Utils/Cryptography.hpp

@@ -227,6 +227,11 @@ namespace Utils
 					ZeroMemory(this->getKeyPtr(), sizeof(*this->getKeyPtr()));
 				}
 
+				bool operator==(Key& key)
+				{
+					return (this->isValid() && key.isValid() && this->serialize(PK_PUBLIC) == key.serialize(PK_PUBLIC));
+				}
+
 			private:
 				std::shared_ptr<ecc_key> keyStorage;
 			};