Create asset_swaps.py

src/cross_chain_bridge/asset_swaps.py

@@ -0,0 +1,78 @@
+import json
+import os
+import hashlib
+import time
+from web3 import Web3
+
+class CrossChainBridge:
+    def __init__(self, storage_file='cross_chain_swaps.json', provider_url='https://your.ethereum.node'):
+        self.storage_file = storage_file
+        self.swaps = []
+        self.web3 = Web3(Web3.HTTPProvider(provider_url))
+        self.load_swaps()
+
+    def load_swaps(self):
+        """Load previous cross-chain swaps from a JSON file."""
+        if os.path.exists(self.storage_file):
+            with open(self.storage_file, 'r') as file:
+                self.swaps = json.load(file)
+
+    def save_swaps(self):
+        """Save cross-chain swaps to a JSON file."""
+        with open(self.storage_file, 'w') as file:
+            json.dump(self.swaps, file)
+
+    def generate_swap_id(self, asset_a, asset_b, amount, target_chain):
+        """Generate a unique swap ID based on asset details and target chain."""
+        unique_string = f"{asset_a}-{asset_b}-{amount}-{target_chain}-{time.time()}"
+        return hashlib.sha256(unique_string.encode()).hexdigest()
+
+    def initiate_swap(self, asset_a, asset_b, amount, target_chain, user_id):
+        """Initiate a cross-chain asset swap."""
+        swap_id = self.generate_swap_id(asset_a, asset_b, amount, target_chain)
+        timestamp = time.time()
+
+        # Log the swap
+        swap_record = {
+            'swap_id': swap_id,
+            'asset_a': asset_a,
+            'asset_b': asset_b,
+            'amount': amount,
+            'target_chain': target_chain,
+            'user_id': user_id,
+            'timestamp': timestamp,
+            'status': 'pending'
+        }
+        self.swaps.append(swap_record)
+        self.save_swaps()
+
+        # Simulate the swap process
+        self.simulate_swap(swap_record)
+
+        return f"Swap initiated: {swap_id} for {amount} {asset_a} to {target_chain}."
+
+    def simulate_swap(self, swap_record):
+        """Simulate the swap process (this would be replaced with actual cross-chain logic)."""
+        time.sleep(2)  # Simulate network delay
+        swap_record['status'] = 'completed'
+        self.save_swaps()
+        print(f"Swap {swap_record['swap_id']} completed successfully.")
+
+    def get_swap_status(self, swap_id):
+        """Get the status of a specific swap."""
+        for swap in self.swaps:
+            if swap['swap_id'] == swap_id:
+                return swap
+        return "Swap ID not found."
+
+# Example usage
+if __name__ == "__main__":
+    bridge = CrossChainBridge()
+
+    # Initiate a swap
+    print(bridge.initiate_swap('PiCoin', 'Ethereum', 100, 'Ethereum', 'user123'))  # Example swap
+    time.sleep(3)  # Wait for the swap to complete
+
+    # Check the status of the swap
+    swap_id = bridge.swaps[-1]['swap_id']  # Get the last swap ID
+    print(bridge.get_swap_status(swap_id))  # Check the status of the swap