data structures for pos log

database/log.cpp

@@ -0,0 +1,39 @@
+#include <iostream>
+#include <map>
+#include <vector>
+#include <string>
+#include <cstdlib>
+#include <cstdint>
+
+#include <boost
+
+enum E_OBJ_TYPE { ET_TRANS, ET_HASH, ET_SALE };
+
+struct LogEntry {
+	uint64_t ts;
+	short type;
+	bool revert;
+};
+
+struct Transaction : LogEntry {
+	Transaction() : type(ET_TRANS) {};
+	char hash[16];
+	int32_t delta;
+};
+
+struct HashChange : LogEntry {
+	HashChange() : type(ET_HASH) {};
+	char hash[16];
+	bool add;
+};
+
+struct Sale : LogEntry {
+	Sale() : 
+	char hash[16];
+	uint64_t upc[2];
+};
+
+struct LogFile {
+
+};
+