Create PiNexusHolographicDataStorage.sol

contracts/PiNexusHolographicDataStorage.sol

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+pragma solidity ^0.8.0;
+
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";
+
+contract PiNexusHolographicDataStorage is SafeERC20 {
+    // Holographic data storage properties
+    address public piNexusRouter;
+    uint256 public holographicData;
+    uint256 public storageCapacity;
+
+    // Holographic data storage constructor
+    constructor() public {
+        piNexusRouter = address(new PiNexusRouter());
+        holographicData = 0; // Initial holographic data
+        storageCapacity = 100; // Initial storage capacity
+    }
+
+    // Holographic data storage functions
+    function getHolographicData() public view returns (uint256) {
+        // Get current holographic data
+        return holographicData;
+    }
+
+    function updateHolographicData(uint256 newHolographicData) public {
+        // Update holographic data
+        holographicData = newHolographicData;
+    }
+
+    function storeData(uint256[] memory data) public {
+        // Store data in holographic storage
+        // Implement holographic data storage algorithm here
+        storageCapacity--;
+    }
+
+    function retrieveData(uint256[] memory data) public {
+        // Retrieve data from holographic storage
+        // Implement holographic data retrieval algorithm here
+        storageCapacity++;
+    }
+}