Building Rastakhmind: Decentralized State Verification & Layer 4 Architecture on EVM

// SPDX-License-Identifier: MIT pragma solidity ^0.8.20;

contract RastakhState { bytes32 public latestStateRoot; uint256 public lastUpdatedTimestamp;

event StateUpdated(bytes32 indexed newRoot, uint256 timestamp);

function updateStateRoot(bytes32 _newRoot) external {
    latestStateRoot = _newRoot;
    lastUpdatedTimestamp = block.timestamp;
    emit StateUpdated(_newRoot, block.timestamp);
}

}