Create dynamic_interest_rates.py

src/defi/dynamic_interest_rates.py

@@ -0,0 +1,79 @@
+import json
+import os
+from datetime import datetime
+
+class DynamicInterestRates:
+    def __init__(self, storage_file='interest_rates.json'):
+        self.storage_file = storage_file
+        self.interest_rates = {}
+        self.load_interest_rates()
+
+    def load_interest_rates(self):
+        """Load interest rates from a JSON file."""
+        if os.path.exists(self.storage_file):
+            with open(self.storage_file, 'r') as file:
+                self.interest_rates = json.load(file)
+
+    def save_interest_rates(self):
+        """Save interest rates to a JSON file."""
+        with open(self.storage_file, 'w') as file:
+            json.dump(self.interest_rates, file)
+
+    def set_base_rate(self, asset, base_rate):
+        """Set the base interest rate for a specific asset."""
+        self.interest_rates[asset] = {
+            'base_rate': base_rate,
+            'last_updated': datetime.now().isoformat()
+        }
+        self.save_interest_rates()
+        return f"Base rate for {asset} set to {base_rate}%."
+
+    def adjust_interest_rate(self, asset, market_conditions):
+        """Adjust the interest rate based on market conditions."""
+        if asset not in self.interest_rates:
+            raise ValueError("Asset not found. Please set a base rate first.")
+
+        base_rate = self.interest_rates[asset]['base_rate']
+        adjustment_factor = self.calculate_adjustment_factor(market_conditions)
+        new_rate = base_rate + adjustment_factor
+
+        self.interest_rates[asset]['current_rate'] = new_rate
+        self.interest_rates[asset]['last_updated'] = datetime.now().isoformat()
+        self.save_interest_rates()
+        return f"Adjusted interest rate for {asset} to {new_rate}%."
+
+    def calculate_adjustment_factor(self, market_conditions):
+        """Calculate the adjustment factor based on market conditions."""
+        # Example logic for adjustment factor
+        supply_demand_ratio = market_conditions.get('supply_demand_ratio', 1)
+        volatility = market_conditions.get('volatility', 0)
+
+        # Simple formula for demonstration purposes
+        adjustment_factor = (supply_demand_ratio - 1) * 2 - volatility
+        return adjustment_factor
+
+    def get_current_rate(self, asset):
+        """Get the current interest rate for a specific asset."""
+        if asset not in self.interest_rates:
+            return "Asset not found."
+        return self.interest_rates[asset].get('current_rate', "Current rate not set.")
+
+# Example usage
+if __name__ == "__main__":
+    interest_rate_manager = DynamicInterestRates()
+
+    # Set base interest rates for assets
+    print(interest_rate_manager.set_base_rate("PiCoin", 5.0))
+    print(interest_rate_manager.set_base_rate("Ethereum", 4.5))
+
+    # Adjust interest rates based on market conditions
+    market_conditions = {
+        'supply_demand_ratio': 1.2,  # Example value
+        'volatility': 0.3             # Example value
+    }
+    print(interest_rate_manager.adjust_interest_rate("PiCoin", market_conditions))
+    print(interest_rate_manager.adjust_interest_rate("Ethereum", market_conditions))
+
+    # Get current interest rates
+    print(f"Current interest rate for PiCoin: {interest_rate_manager.get_current_rate('PiCoin')}%")
+    print(f"Current interest rate for Ethereum: {interest_rate_manager.get_current_rate('Ethereum')}%")