AI-Infused Web3

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@chainlink/contracts/src/v0.8/ChainlinkClient.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @title AIMarketPredictor
 * @dev Smart contract that uses AI predictions via Chainlink oracles
 */
contract AIMarketPredictor is ChainlinkClient, Ownable {
    using Chainlink for Chainlink.Request;
    
    // Price feed from AI model
    uint256 public marketTrend;
    bytes32 private jobId;
    uint256 private fee;
    
    // Events
    event PredictionRequested(bytes32 indexed requestId);
    event PredictionReceived(bytes32 indexed requestId, uint256 marketTrend);
    
    /**
     * @dev Initialize the contract with Chainlink parameters
     */
    constructor() {
        setChainlinkToken(0x01BE23585060835E02B77ef475b0Cc51aA1e0709); // Rinkeby LINK token
        setChainlinkOracle(0x2f90A6D021db21e1B2A077c5a37B3C7E75D15b7e); // Oracle address
        jobId = "29fa9aa13bf1468788b7cc4a500a45b8"; // AI prediction job
        fee = 0.1 * 10 ** 18; // 0.1 LINK
    }
    
    /**
     * @dev Request market prediction from AI oracle
     */
    function requestMarketPrediction() public onlyOwner returns (bytes32 requestId) {
        Chainlink.Request memory req = buildChainlinkRequest(jobId, address(this), this.fulfill.selector);
        
        // Add parameters for the AI model
        req.add("timeframe", "24h");
        req.add("asset", "ETH");
        req.add("modelVersion", "v1.2");
        
        // Send the request
        requestId = sendChainlinkRequest(req, fee);
        emit PredictionRequested(requestId);
        return requestId;
    }
    
    /**
     * @dev Callback function for Chainlink oracle
     */
    function fulfill(bytes32 _requestId, uint256 _marketTrend) public recordChainlinkFulfillment(_requestId) {
        marketTrend = _marketTrend;
        emit PredictionReceived(_requestId, _marketTrend);
    }
    
    /**
     * @dev Get trading recommendation based on AI prediction
     * @return string Recommendation text
     */
    function getTradingRecommendation() external view returns (string memory) {
        if (marketTrend > 75) {
            return "Strong Buy";
        } else if (marketTrend > 60) {
            return "Buy";
        } else if (marketTrend > 40) {
            return "Hold";
        } else if (marketTrend > 25) {
            return "Sell";
        } else {
            return "Strong Sell";
        }
    }
}