dist_agent_lang 1.0.3

// Cross-Chain Integration Patterns
// Advanced patterns for seamless multi-chain operations

@trust("hybrid")
@chain("ethereum","polygon","bsc","arbitrum","optimism")
@cloudadmin
@advanced_security
@SafeMath
@nonreentrant
service MultiChainAssetManager {
    supported_chains: vector<string>;
    asset_balances: map<string, map<string, float>>;
    cross_chain_bridges: map<string, any>;

    fn initialize() {
        self.supported_chains = ["ethereum", "polygon", "bsc", "arbitrum", "optimism"];

        // Initialize cross-chain bridges
        self.cross_chain_bridges = {
            "polygon_bridge": chain::create_cross_chain_bridge("ethereum", "polygon", {
                "bridge_contract": "0x...",
                "fee_token": "MATIC",
                "estimated_time": 300 // 5 minutes
            }),
            "arbitrum_bridge": chain::create_cross_chain_bridge("ethereum", "arbitrum", {
                "bridge_contract": "0x...",
                "fee_token": "ETH",
                "estimated_time": 600 // 10 minutes
            })
        };

        // Initialize asset tracking across chains
        for chain in self.supported_chains  {
            self.asset_balances[chain] = {};
        }
    }

    fn get_total_asset_balance(user_address: string, token_symbol: string) -> map<string, any> {
        let total_balance = 0.0;
        let chain_balances = {};

        // Query balance on each supported chain
        for chain in self.supported_chains  {
            let balance = chain::get_token_balance(chain, token_symbol, user_address);
            chain_balances[chain] = balance;
            total_balance = total_balance + balance;
        }

        // Get USD value using multi-chain oracles
        let usd_value = self.get_asset_usd_value(token_symbol, total_balance);

        return {
            "token": token_symbol,
            "total_balance": total_balance,
            "usd_value": usd_value,
            "chain_breakdown": chain_balances,
            "last_updated": chain::get_block_timestamp()
        };
    }

    fn optimize_asset_distribution(user_address: string, token_symbol: string) -> map<string, any> {
        // Analyze current distribution
        let current_distribution = self.analyze_current_distribution(user_address, token_symbol);

        // Find optimization opportunities
        let opportunities = self.find_optimization_opportunities(current_distribution);

        // Execute optimal rebalancing
        let rebalance_result = self.execute_rebalancing(user_address, opportunities);

        return {
            "original_distribution": current_distribution,
            "optimizations_applied": opportunities,
            "gas_saved": rebalance_result.gas_saved,
            "time_saved": rebalance_result.time_saved,
            "new_distribution": rebalance_result.new_distribution
        };
    }

    fn execute_cross_chain_transfer(from_chain: string, to_chain: string, token_symbol: string, amount: float, user_address: string) -> map<string, any> {
        // Step 1: Check bridge availability
        let bridge = self.select_optimal_bridge(from_chain, to_chain);
        if (bridge == null) {
            return {
                "success": false,
                "error": "No bridge available for this chain pair"
            };
        }

        // Step 2: Estimate fees and time
        let estimate = chain::estimate_cross_chain_transfer(bridge, token_symbol, amount);

        // Step 3: Check if (transfer is economical
        if (!self.is_transfer_economical(estimate, amount)) {
            return {
                "success": false,
                "error": "Transfer cost exceeds benefit"
            };
        }

        // Step 4: Execute transfer
        let transfer_result = chain::execute_cross_chain_transfer(bridge, {
            "from_chain": from_chain,
            "to_chain": to_chain,
            "token": token_symbol,
            "amount": amount,
            "recipient": user_address
        });

        // Step 5: Monitor transfer completion
        self.monitor_bridge_transfer(transfer_result.transfer_id);

        return {
            "transfer_id": transfer_result.transfer_id,
            "bridge_used": bridge.name,
            "estimated_completion": estimate.estimated_time,
            "fee_paid": estimate.fee,
            "status": "initiated"
        };
    }
}

// =====================================================
// PATTERN 2: Cross-Chain Liquidity Aggregation
// =====================================================

@trust("hybrid")
@ai
@chain("ethereum")
@chain("polygon")
@chain("binance")
@chain("arbitrum")
@chain("optimism")
service CrossChainLiquidityAggregator {
    dexes: map<string, map<string, any>>;
    price_oracles: map<string, any>;
    ai_optimizer: any;

    fn initialize() {
        // Initialize DEX integrations across chains
        self.dexes = {
            "ethereum": {
                "uniswap_v3": chain::create_dex_interface("ethereum", "0x...", "uniswap_v3"),
                "sushiswap": chain::create_dex_interface("ethereum", "0x...", "sushiswap"),
                "curve": chain::create_dex_interface("ethereum", "0x...", "curve")
            },
            "polygon": {
                "quickswap": chain::create_dex_interface("polygon", "0x...", "quickswap"),
                "sushiswap": chain::create_dex_interface("polygon", "0x...", "sushiswap")
            },
            "bsc": {
                "pancakeswap": chain::create_dex_interface("bsc", "0x...", "pancakeswap"),
                "biswap": chain::create_dex_interface("bsc", "0x...", "biswap")
            }
        };

        // Initialize AI-powered optimization
        self.ai_optimizer = ai::create_optimizer({
            "model": "liquidity_optimization",
            "parameters": ["gas_cost", "slippage", "execution_time", "liquidity_depth"]
        });
    }

    fn find_best_swap_route(from_token: string, to_token: string, amount: float, max_slippage: float) -> map<string, any> {
        let routes = [];

        // Analyze routes on each chain
        for chain in self.dexes  {
            for dex_name in self.dexes[chain]  {
                let dex = self.dexes[chain][dex_name];
                let route = self.analyze_dex_route(chain, dex_name, dex, from_token, to_token, amount);
                if (route != null) {
                    routes.push(route);
                }
            }
        }

        // Analyze cross-chain routes
        let cross_chain_routes = self.analyze_cross_chain_routes(from_token, to_token, amount);
        for route in cross_chain_routes  {
            routes.push(route);
        }

        // Use AI to select optimal route
        let optimal_route = ai::optimize_route(self.ai_optimizer, routes, {
            "max_slippage": max_slippage,
            "user_preferences": ["speed", "cost", "reliability"]
        });

        return optimal_route;
    }

    fn execute_optimized_swap(route: map<string, any>, user_address: string) -> map<string, any> {
        if (route.is_cross_chain) {
            // Execute cross-chain swap
            return self.execute_cross_chain_swap(route, user_address);
        } else {
            // Execute single-chain swap
            return self.execute_single_chain_swap(route, user_address);
        }
    }

    fn monitor_liquidity_health() -> map<string, any> {
        let health_report = {
            "chain_liquidity": {},
            "dex_performance": {},
            "price_discrepancies": [],
            "arbitrage_opportunities": []
        };

        // Monitor liquidity across all DEXes
        for chain in self.dexes  {
            for dex_name in self.dexes[chain]  {
                let dex = self.dexes[chain][dex_name];
                let liquidity = chain::get_dex_liquidity_pool(dex, "ETH/USDC"); // Example pair
                health_report.chain_liquidity[chain][dex_name] = liquidity;

                let performance = self.analyze_dex_performance(dex);
                health_report.dex_performance[dex_name] = performance;
            }
        }

        // Detect price discrepancies
        health_report.price_discrepancies = self.detect_price_discrepancies();

        // Find arbitrage opportunities
        health_report.arbitrage_opportunities = self.find_arbitrage_opportunities();

        return health_report;
    }
}

// =====================================================
// PATTERN 3: Multi-Chain NFT Management
// =====================================================

@trust("hybrid")
@chain("ethereum")
@chain("polygon")
@chain("binance")
@chain("arbitrum")
@chain("optimism")
service MultiChainNFTManager {
    nft_contracts: map<string, map<string, any>>;
    metadata_cache: map<string, any>;
    cross_chain_transfers: map<string, any>;

    fn initialize() {
        // Initialize NFT contracts across chains
        self.nft_contracts = {
            "ethereum": {
                "art_nft": chain::create_nft_contract_interface("ethereum", "0x...", "ERC721"),
                "gaming_nft": chain::create_nft_contract_interface("ethereum", "0x...", "ERC721"),
                "collectible_nft": chain::create_nft_contract_interface("ethereum", "0x...", "ERC1155")
            },
            "polygon": {
                "art_nft": chain::create_nft_contract_interface("polygon", "0x...", "ERC721"),
                "gaming_nft": chain::create_nft_contract_interface("polygon", "0x...", "ERC721")
            }
        };
    }

    fn get_user_nft_portfolio(user_address: string) -> map<string, any> {
        let portfolio = {
            "total_nfts": 0,
            "collections": {},
            "chains": {},
            "estimated_value": 0.0,
            "rarity_scores": {}
        };

        // Query NFTs across all chains
        for chain in self.nft_contracts  {
            let chain_nfts = [];

            for contract_name in self.nft_contracts[chain]  {
                let contract = self.nft_contracts[chain][contract_name];
                let user_nfts = chain::get_user_nft_tokens(chain, contract.address, user_address);

                for nft in user_nfts  {
                    // Get NFT metadata
                    let metadata = self.get_nft_metadata(chain, contract.address, nft.token_id);

                    // Calculate rarity score
                    let rarity = self.calculate_nft_rarity(metadata);

                    // Get floor price
                    let floor_price = self.get_collection_floor_price(chain, contract_name);

                    if (!portfolio.collections.contains(contract_name)) {
                        portfolio.collections[contract_name] = [];
                    }
                    
                    portfolio.collections[contract_name].push({
                        "token_id": nft.token_id,
                        "metadata": metadata,
                        "rarity_score": rarity,
                        "estimated_value": floor_price * rarity
                    });

                    portfolio.total_nfts = portfolio.total_nfts + 1;
                    portfolio.estimated_value = portfolio.estimated_value + (floor_price * rarity);
                }
            }

            portfolio.chains[chain] = chain_nfts;
        }

        return portfolio;
    }

    fn execute_cross_chain_nft_transfer(from_chain: string, to_chain: string, contract_address: string, token_id: int, user_address: string) -> map<string, any> {
        // Step 1: Lock NFT on source chain
        let lock_result = chain::lock_nft_for_cross_chain_transfer(from_chain, contract_address, token_id, user_address);

        // Step 2: Mint equivalent NFT on destination chain
        let mint_result = chain::mint_cross_chain_nft(to_chain, {
            "original_chain": from_chain,
            "original_contract": contract_address,
            "token_id": token_id,
            "metadata": lock_result.metadata,
            "recipient": user_address
        });

        // Step 3: Verify transfer completion
        let verification = self.verify_nft_transfer_completion(from_chain, to_chain, lock_result, mint_result);

        // Step 4: Burn original NFT if (transfer successful
        let mut status = "pending";
        if (verification.successful) {
            chain::burn_nft_token(from_chain, contract_address, token_id);
            status = "completed";
        }

        return {
            "transfer_id": verification.transfer_id,
            "from_chain": from_chain,
            "to_chain": to_chain,
            "token_id": token_id,
            "status": status,
            "completion_time": verification.completion_time
        };
    }

    fn optimize_nft_holding_strategy(user_address: string) -> map<string, any> {
        // Analyze current NFT holdings
        let portfolio = self.get_user_nft_portfolio(user_address);

        // Get market analysis
        let market_analysis = self.analyze_nft_market_trends();

        // Calculate optimal holding strategy
        let strategy = {
            "hold_positions": [],
            "sell_candidates": [],
            "chain_rebalancing": [],
            "diversification_opportunities": []
        };

        // Analyze each NFT
        for collection_name in portfolio.collections  {
            let nfts = portfolio.collections[collection_name];
            for nft in nfts  {
                let analysis = self.analyze_nft_position(nft, market_analysis);

                if (analysis.recommendation == "hold") {
                    strategy.hold_positions.push({
                        "nft": nft,
                        "reason": analysis.reason,
                        "expected_return": analysis.expected_return
                    });
                } else {
                    if (analysis.recommendation == "sell") {
                        strategy.sell_candidates.push({
                            "nft": nft,
                            "reason": analysis.reason,
                            "target_price": analysis.target_price
                        });
                    }
                }
            }
        }

        // Suggest chain rebalancing
        strategy.chain_rebalancing = self.suggest_chain_rebalancing(portfolio);

        // Find diversification opportunities
        strategy.diversification_opportunities = self.find_diversification_opportunities(portfolio);

        return strategy;
    }
}

// =====================================================
// DEMONSTRATION SCRIPT
// =====================================================

fn demonstrate_multi_chain_asset_management() {
    print("🔄 Multi-Chain Asset Management Demo");
    print("====================================");

    let asset_manager = MultiChainAssetManager::new();
    asset_manager.initialize();

    // Get total asset balance
    let balance = asset_manager.get_total_asset_balance("0x123...", "ETH");
    print("✅ Total ETH balance: " + balance.total_balance);

    // Optimize asset distribution
    let optimization = asset_manager.optimize_asset_distribution("0x123...", "ETH");
    print("✅ Optimization applied: " + optimization.optimizations_applied.size());

    // Execute cross-chain transfer
    let transfer = asset_manager.execute_cross_chain_transfer("ethereum", "polygon", "ETH", 1.0, "0x123...");
    print("✅ Cross-chain transfer: " + transfer.transfer_id);
}

fn demonstrate_liquidity_aggregation() {
    print("💧 Cross-Chain Liquidity Aggregation Demo");
    print("=========================================");

    let liquidity_aggregator = CrossChainLiquidityAggregator::new();
    liquidity_aggregator.initialize();

    // Find best swap route
    let route = liquidity_aggregator.find_best_swap_route("ETH", "USDC", 1.0, 0.01);
    print("✅ Best swap route found: " + route.dex);

    // Execute optimized swap
    let swap = liquidity_aggregator.execute_optimized_swap(route, "0x123...");
    print("✅ Optimized swap executed: " + swap.tx_hash);

    // Monitor liquidity health
    let health = liquidity_aggregator.monitor_liquidity_health();
    print("✅ Liquidity health monitored: " + health.chain_liquidity.size() + " chains");
}

fn demonstrate_nft_management() {
    print("🎨 Multi-Chain NFT Management Demo");
    print("==================================");

    let nft_manager = MultiChainNFTManager::new();
    nft_manager.initialize();

    // Get user NFT portfolio
    let portfolio = nft_manager.get_user_nft_portfolio("0x123...");
    print("✅ NFT portfolio retrieved: " + portfolio.total_nfts + " NFTs");

    // Execute cross-chain NFT transfer
    let transfer = nft_manager.execute_cross_chain_nft_transfer("ethereum", "polygon", "0x...", 123, "0x123...");
    print("✅ Cross-chain NFT transfer: " + transfer.transfer_id);

    // Optimize holding strategy
    let strategy = nft_manager.optimize_nft_holding_strategy("0x123...");
    print("✅ Holding strategy optimized: " + strategy.hold_positions.size() + " hold positions");
}

// Main demonstration
fn main() {
    print("🚀 Cross-Chain Integration Patterns Demo");
    print("========================================");
    print("");

    demonstrate_multi_chain_asset_management();
    print("");
    demonstrate_liquidity_aggregation();
    print("");
    demonstrate_nft_management();
    print("");

    print("🎉 All cross-chain integration demonstrations completed!");
    print("");
    print("💡 Key Takeaways:");
    print("   • Multi-chain asset management with bridge integration");
    print("   • Cross-chain liquidity aggregation with AI optimization");
    print("   • Multi-chain NFT management with cross-chain transfers");
    print("   • Comprehensive monitoring and health checks");
    print("   • AI-powered optimization and route selection");
    print("   • Seamless cross-chain operations");
    print("");
    print("🚀 Cross-chain integration patterns are production-ready!");
}