Create zk_proofs.sol

blockchain_integration/pi_network/privacy/zk_proofs.sol

@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/access/Ownable.sol";
+
+contract ZKProofs is Ownable {
+    struct Proof {
+        bytes32 commitment;
+        bytes32 proofData;
+        address verifier;
+    }
+
+    mapping(bytes32 => Proof) public proofs;
+
+    event ProofCreated(bytes32 indexed proofId, bytes32 commitment, address indexed verifier);
+    event ProofVerified(bytes32 indexed proofId, bool isValid);
+
+    // Create a new zero-knowledge proof
+    function createProof(bytes32 _proofId, bytes32 _commitment, bytes32 _proofData) public onlyOwner {
+        require(proofs[_proofId].verifier == address(0), "Proof already exists.");
+
+        proofs[_proofId] = Proof({
+            commitment: _commitment,
+            proofData: _proofData,
+            verifier: msg.sender
+        });
+
+        emit ProofCreated(_proofId, _commitment, msg.sender);
+    }
+
+    // Verify a zero-knowledge proof
+    function verifyProof(bytes32 _proofId) public {
+        Proof storage proof = proofs[_proofId];
+        require(proof.verifier != address(0), "Proof does not exist.");
+
+        // Implement verification logic here
+        bool isValid = true; // Placeholder for actual verification logic
+
+        emit ProofVerified(_proofId, isValid);
+    }
+
+    // Get proof details
+    function getProofDetails(bytes32 _proofId) public view returns (bytes32, bytes32, address) {
+        Proof storage proof = proofs[_proofId];
+        require(proof.verifier != address(0), "Proof does not exist.");
+        return (proof.commitment, proof.proofData, proof.verifier);
+    }
+}