updated JSON schema, fixed readme code blocks

Author: mccaffers

backtesting-engine-cpp.xcodeproj/xcshareddata/xcschemes/source.xcscheme

@@ -62,7 +62,7 @@
             isEnabled = "YES">
          </CommandLineArgument>
          <CommandLineArgument
-            argument = "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"
+            argument = "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"
             isEnabled = "YES">
          </CommandLineArgument>
       </CommandLineArguments>

readme.md

@@ -42,7 +42,7 @@ make
 
 Xcode - Link Binary with Libraries (Source & Test)
 
-````
+```
 ./build/external/libpqxx/src/libpqxx-7.10.a
 ```
 

scripts/arguments/build.sh

@@ -16,9 +16,11 @@ json='{
               "OHLC_MINUTES": 100
           }
       ],
-      "OHLC_RSI_VARIABLES": {
-          "RSI_LONG": 60,
-          "RSI_SHORT": 40
+      "STRATEGY_VARIABLES" : {
+        "OHLC_RSI_VARIABLES": {
+            "RSI_LONG": 60,
+            "RSI_SHORT": 40
+        }
       }
   }
 }'

source/main.cpp

@@ -22,23 +22,10 @@
 
 using json = nlohmann::json;
 
-int main(int argc, const char * argv[]) {
-  
-    DatabaseConnection db(argv[1]);
-  
-    // Example query - replace with your actual query
-    std::string query = "SELECT * FROM EURUSD LIMIT 5;";
-  
-    db.executeQuery(query);
-  
-    return 0;
-  
-}
-
-int parseJson( const char * argv[]) {
+int parseJson(const std::string& input) {
 
   // Ingest parameters
-  std::string output = Base64::b64decode(argv[2]);
+  std::string output = Base64::b64decode(input);
 
   // Debug, console print out
   std::cout << output;
@@ -52,11 +39,26 @@ int parseJson( const char * argv[]) {
   {
       std::cerr << "parse error at byte " << ex.byte << std::endl;
   }
-
 
   auto config = j.get<trading_definitions::Configuration>();
   std::cout << config.RUN_ID << std::endl;
 
   return 0;
 }
 
+int main(int argc, const char * argv[]) {
+  
+    // Connect to QuestDb argv[1]
+    // Load strategy from Base64 argv[2]
+  
+    DatabaseConnection db(argv[1]);
+  parseJson(argv[2]);
+  
+    // Example query - replace with your actual query
+    std::string query = "SELECT * FROM EURUSD LIMIT 5;";
+  
+    db.executeQuery(query);
+  
+    return 0;
+  
+}

tests/db.mm

@@ -1,6 +1,6 @@
 // Backtesting Engine in C++
 //
-// (c) 2024 Ryan McCaffery | https://mccaffers.com
+// (c) 2025 Ryan McCaffery | https://mccaffers.com
 // This code is licensed under MIT license (see LICENSE.txt for details)
 // ---------------------------------------