Create KosasihUniversalisBridge.sol

blockchain_integration/pi_network/pi-network-interoperability/bridge-contracts/contracts/KosasihUniversalisBridge.sol

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+pragma solidity ^0.8.0;
+
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/utils/Address.sol";
+
+contract KosasihUniversalisBridge {
+    address public multiChainRouter;
+    address public interoperabilityLayer;
+
+    constructor(address _multiChainRouter, address _interoperabilityLayer) public {
+        multiChainRouter = _multiChainRouter;
+        interoperabilityLayer = _interoperabilityLayer;
+    }
+
+    function transferTokens(address _token, address _from, address _to, uint256 _amount) public {
+        // Call the multi-chain router to transfer tokens between chains
+        MultiChainRouter(multiChainRouter).transferTokens(_token, _from, _to, _amount);
+    }
+
+    function executeCrossChainTransaction(bytes _transactionData) public {
+        // Call the interoperability layer to execute the cross-chain transaction
+        InteroperabilityLayer(interoperabilityLayer).executeTransaction(_transactionData);
+    }
+}