diff --git a/include/log.hpp b/include/log.hpp
new file mode 100644
index 0000000..f76f4d3
--- /dev/null
+++ b/include/log.hpp
@@ -0,0 +1,14 @@
+#pragma once
+#include <array>
+#include <algorithm>
+#include "transactions.hpp"
+
+struct Log
+{
+    std::array<Transaction, 100> data;
+    void AddTrans(const Transaction &v)
+    {
+        std::rotate(data.begin(), data.begin() + 1, data.end());
+        data[99] = std::move(v);
+    }
+};
diff --git a/include/transactions.hpp b/include/transactions.hpp
new file mode 100644
index 0000000..1d6f510
--- /dev/null
+++ b/include/transactions.hpp
@@ -0,0 +1,29 @@
+#pragma once
+#include <cstdint>
+
+struct Transaction
+{
+    std::string from = "", to = "";
+    uint32_t amount = 0;
+    bool recieving = false;
+
+    void Concatinate(std::string &s)
+    {
+        if (s.size() > 10)
+        {
+            s.resize(10);
+            s[7] = '.';
+            s[8] = '.';
+            s[9] = '.';
+        }
+    }
+
+    Transaction() = default;
+    Transaction(std::string from_str, std::string to_str, uint32_t amount, bool recieving) : amount(amount), recieving(recieving)
+    {
+        Concatinate(from_str);
+        Concatinate(to_str);
+        from = std::move(from_str);
+        to = std::move(to_str);
+    }
+};
\ No newline at end of file