// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/utils/Timers.sol";
import "@chainlink/contracts/src/v0.8/functions/FunctionsClient.sol";
import "@chainlink/contracts/src/v0.8/functions/FunctionsRequest.sol";
contract GaiaDAO is FunctionsClient, Ownable, ReentrancyGuard, Pausable {
using FunctionsRequest for FunctionsRequest.Request;
using Timers for Timers.Timestamp;
ERC20 public governanceToken;
mapping(bytes32 => Proposal) public proposals;
mapping(address => uint256) public votes;
uint256 public proposalCount;
Timers.Timestamp public votingPeriod = Timers.Timestamp(7 days); // Quantum-inspired "entangled" timing
struct Proposal {
string description;
bytes data;
address target;
uint256 votesFor;
uint256 votesAgainst;
Timers.Timestamp endTime;
bool executed;
bytes32 aiPrediction; // AI-driven outcome prediction
}
event ProposalCreated(uint256 id, string desc, bytes32 aiPred);
event Voted(uint256 id, address voter, bool support, uint256 amount);
event Executed(uint256 id);
constructor(address _token, address oracle) FunctionsClient(oracle) {
governanceToken = ERC20(_token);
}
function createProposal(string memory desc, address target, bytes memory data) external onlyOwner whenNotPaused {
proposalCount++;
bytes32 requestId = _requestAIPrediction(desc); // AI prediction for proposal success
proposals[keccak256(abi.encodePacked(proposalCount))] = Proposal(
desc, data, target, 0, 0, Timers.add(votingPeriod, block.timestamp), false, requestId
);
emit ProposalCreated(proposalCount, desc, requestId);
}
function _requestAIPrediction(string memory desc) internal returns (bytes32) {
FunctionsRequest.Request memory req;
req.initializeRequestForInlineJavaScript(
"const prediction = Math.random() > 0.5 ? 'pass' : 'fail'; return prediction;" // Simplified AI sim
);
return sendRequest(req, 1e15, 300000); // Gas limits
}
function fulfillRequest(bytes32 requestId, bytes memory response) external recordChainlinkFulfillment(requestId) {
// Update proposal with AI prediction
for (uint256 i = 1; i <= proposalCount; i++) {
bytes32 key = keccak256(abi.encodePacked(i));
if (proposals[key].aiPrediction == requestId) {
proposals[key].aiPrediction = keccak256(response); // Store prediction
break;
}
}
}
function vote(uint256 id, bool support, uint256 amount) external nonReentrant whenNotPaused {
require(governanceToken.balanceOf(msg.sender) >= amount, "Insufficient tokens");
bytes32 key = keccak256(abi.encodePacked(id));
require(block.timestamp < proposals[key].endTime.value, "Voting ended");
governanceToken.transferFrom(msg.sender, address(this), amount);
if (support) proposals[key].votesFor += amount;
else proposals[key].votesAgainst += amount;
votes[msg.sender] += amount;
emit Voted(id, msg.sender, support, amount);
}
function executeProposal(uint256 id) external nonReentrant {
bytes32 key = keccak256(abi.encodePacked(id));
Proposal storage p = proposals[key];
require(!p.executed && block.timestamp >= p.endTime.value, "Not executable");
require(p.votesFor > p.votesAgainst, "Not passed");
(bool success,) = p.target.call(p.data);
require(success, "Execution failed");
p.executed = true;
emit Executed(id);
}
function pause() external onlyOwner {
_pause();
}
function unpause() external onlyOwner {
_unpause();
}
}
