Create Owner.sol

blockchain_integration/pi_network/pi-network-interoperability/bridge-contracts/sidra-chain/Owner.sol

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+pragma solidity ^0.8.0;
+
+contract Owner {
+    address public owner;
+    address public newOwner;
+
+    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
+
+    modifier onlyOwner() {
+        require(msg.sender == owner, "Only the owner can call this function");
+        _;
+    }
+
+    constructor() public {
+        owner = msg.sender;
+    }
+
+    function transferOwnership(address _newOwner) public onlyOwner {
+        newOwner = _newOwner;
+    }
+
+    function acceptOwnership() public {
+        require(msg.sender == newOwner, "Only the new owner can accept ownership");
+        emit OwnershipTransferred(owner, newOwner);
+        owner = newOwner;
+        newOwner = address(0);
+    }
+}