Create royalty_contract.py

QuantumNexusProtocol/src/smart_contracts/royalty_contract.py

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract RoyaltyContract {
+    mapping(address => uint256) public royalties;
+
+    event RoyaltyPaid(address indexed creator, uint256 amount);
+
+    function payRoyalty(address creator) external payable {
+        require(msg.value > 0, "Royalty amount must be greater than zero");
+        royalties[creator] += msg.value;
+        emit RoyaltyPaid(creator, msg.value);
+    }
+
+    function withdrawRoyalties() external {
+        uint256 amount = royalties[msg.sender];
+        require(amount > 0, "No royalties to withdraw");
+        royalties[msg.sender] = 0;
+        payable(msg.sender).transfer(amount);
+    }
+}