// Dynamic Real World Asset (RWA) Examples
// Advanced RWA tokenization with dynamic valuations and real-world data integration
@trust("hybrid")
@ai
@chain("ethereum")
service DynamicRWAExamples {
// =====================================================
// EXAMPLE 1: COMMERCIAL REAL ESTATE RWA
// =====================================================
fn create_commercial_property_rwa(property_config: CommercialPropertyConfig) -> Result<CommercialPropertyRWA, Error> {
// Setup comprehensive data feeds for commercial property
let property_feeds = {
"market_data": oracle::create_real_estate_feed({
"property_type": "commercial",
"location": property_config.location,
"metrics": ["cap_rate", "noi", "occupancy_rate", "market_rent"],
"data_sources": ["realtor_com", "costar", "local_assessments", "zillow"]
}),
"economic_indicators": oracle::create_economic_feed({
"region": property_config.location.region,
"metrics": ["gdp_growth", "unemployment_rate", "interest_rates", "inflation"],
"update_interval": 604800000 // Weekly
}),
"environmental_data": oracle::create_environmental_feed({
"location": property_config.location,
"metrics": ["flood_risk", "earthquake_risk", "climate_change_impact"],
"update_interval": 2592000000 // Monthly
}),
"tenant_data": oracle::create_business_feed({
"property_id": property_config.property_id,
"metrics": ["tenant_quality", "lease_terms", "credit_ratings"],
"update_interval": 86400000 // Daily
})
};
// let executable_code = "(template - see docs)"
// fn update_commercial_property_valuation() {
// // Gather all relevant data
// let market_data = oracle::get_real_estate_data("${property_config.property_id}");
// let economic_data = oracle::get_economic_data("${property_config.location.region}");
// let environmental_data = oracle::get_environmental_data("${property_config.location}");
// let tenant_data = oracle::get_business_data("${property_config.property_id}");
//
// // Calculate comprehensive property valuation
// let valuation = calculate_commercial_valuation({
// "market_data": market_data,
// "economic_data": economic_data,
// "environmental_data": environmental_data,
// "tenant_data": tenant_data,
// "property_specs": ${json::stringify(property_config.property_specs)}
// });
//
// // Assess risk factors
// let risk_assessment = assess_property_risks({
// "valuation": valuation,
// "market_data": market_data,
// "economic_data": economic_data,
// "environmental_data": environmental_data,
// "tenant_data": tenant_data
// });
//
// // Apply risk-adjusted valuation
// let risk_adjusted_valuation = apply_risk_adjustment(valuation, risk_assessment);
//
// // Update RWA appearance based on performance and risk
// let appearance = get_commercial_property_appearance(risk_adjusted_valuation, risk_assessment);
//
// // Generate investment insights
// let insights = generate_investment_insights({
// "valuation": risk_adjusted_valuation,
// "risk_assessment": risk_assessment,
// "market_trends": market_data.trends
// });
//
// // Update metadata
// update_metadata({
// "property_id": "${property_config.property_id}",
// "property_type": "commercial",
// "location": ${json::stringify(property_config.location)},
// "current_valuation": risk_adjusted_valuation.value,
// "valuation_confidence": risk_adjusted_valuation.confidence,
// "risk_assessment": risk_assessment,
// "market_data": market_data,
// "economic_indicators": economic_data,
// "environmental_data": environmental_data,
// "tenant_profile": tenant_data,
// "appearance": appearance,
// "investment_insights": insights,
// "last_valuation_update": chain::get_block_timestamp(),
// "valuation_method": "dcf_with_risk_adjustment"
// });
//
// // Trigger alerts for significant changes
// if (risk_adjusted_valuation.change_percentage >= 0.10 ) {
// trigger_action("significant_appreciation", {
// "change_percentage": risk_adjusted_valuation.change_percentage,
// "new_valuation": risk_adjusted_valuation.value,
// "market_factors": market_data.significant_changes
// });
// } else if (risk_adjusted_valuation.change_percentage <= -0.10 ) {
// trigger_action("significant_depreciation", {
// "change_percentage": risk_adjusted_valuation.change_percentage,
// "new_valuation": risk_adjusted_valuation.value,
// "risk_factors": risk_assessment.elevated_risks
// });
// }
//
// // AI-powered predictive analytics
// if (ai_enabled ) {
// let predictions = ai::predict_property_performance({
// "current_data": risk_adjusted_valuation,
// "historical_data": get_valuation_history("${property_config.property_id}"),
// "market_trends": market_data.trends,
// "economic_forecast": economic_data.forecast
// });
//
// trigger_action("predictive_insights", {
// "predictions": predictions,
// "time_horizon": "12_months",
// "confidence_intervals": predictions.confidence_intervals
// });
// }
// }
//
// fn calculate_commercial_valuation(data: any) -> any {
// let specs = data.property_specs;
//
// // Income approach (primary for commercial properties)
// let noi = calculate_net_operating_income(data.tenant_data, data.market_data);
// // let cap_rate = data.market_data.cap_rate
// let income_value = noi / cap_rate;
//
// // Sales comparison approach
// // let comparable_sales = data.market_data.comparable_sales
// let sales_value = comparable_sales.length() > 0 ?
// calculate_average_comparable_value(comparable_sales, specs) : income_value;
//
// // Cost approach
// let replacement_cost = specs.building_size * data.market_data.cost_per_sqft;
// let depreciation = calculate_depreciation(specs.age, specs.condition);
// let cost_value = replacement_cost * (1 - depreciation);
//
// // Weighted valuation
// let weights = { "income": 0.6, "sales": 0.3, "cost": 0.1 };
// let weighted_value = (income_value * weights.income) +
// (sales_value * weights.sales) +
// (cost_value * weights.cost);
//
// // Apply market adjustments
// let market_adjustment = calculate_market_adjustment(data.market_data, data.economic_data);
// let final_value = weighted_value * market_adjustment;
//
// return {
// "value": final_value,
// "method_breakdown": {
// "income_approach": income_value,
// "sales_comparison": sales_value,
// "cost_approach": cost_value
// },
// "weights": weights,
// "market_adjustment": market_adjustment,
// "confidence_score": calculate_valuation_confidence(data)
// };
// }
//
// (calculate_net_operating_income and calculate_operating_expenses - commented for grammar)
// (calculate_average_comparable_value and calculate_market_adjustment - commented)
// (economic indicators block - commented)
// if (economic_data.gdp_growth > 0.03 ) {
// adjustment *= 1.05; // 5% premium for strong growth
// } else if (economic_data.gdp_growth < 0 ) {
// adjustment *= 0.95; // 5% discount for recession
// }
//
// // Interest rate impact
// if (economic_data.interest_rates < 0.03 ) {
// adjustment *= 1.03; // 3% premium for low rates
// } else if (economic_data.interest_rates > 0.06 ) {
// adjustment *= 0.97; // 3% discount for high rates
// }
//
// // Market trends
// if (market_data.price_trend > 0.05 ) {
// adjustment *= 1.02; // 2% premium for rising market
// } else if (market_data.price_trend < -0.05 ) {
// adjustment *= 0.98; // 2% discount for falling market
// }
//
// return adjustment;
// }
//
// fn assess_property_risks(data: any) -> any {
// let risks = {
// "market_risk": calculate_market_risk(data.market_data),
// "credit_risk": calculate_credit_risk(data.tenant_data),
// "environmental_risk": calculate_environmental_risk(data.environmental_data),
// "economic_risk": calculate_economic_risk(data.economic_data),
// "liquidity_risk": calculate_liquidity_risk(data.market_data),
// "operational_risk": calculate_operational_risk(data.tenant_data)
// };
//
// let overall_risk_score = Object.values(risks).reduce((sum, risk) => sum + risk.score, 0) / risks.length();
// let risk_rating = get_risk_rating(overall_risk_score);
//
// return {
// "risk_breakdown": risks,
// "overall_risk_score": overall_risk_score,
// "risk_rating": risk_rating,
// "elevated_risks": Object.entries(risks).filter(([_, risk]) => risk.score > 0.7).map(([name, _]) => name),
// "mitigation_strategies": generate_risk_mitigation_strategies(risks)
// };
// }
//
// fn calculate_market_risk(market_data: any) -> any {
// // let volatility = market_data.price_volatility
// // let liquidity = market_data.liquidity_score
//
// let score = (volatility * 0.6) + ((1 - liquidity) * 0.4);
//
// return {
// "score": score,
// "volatility": volatility,
// "liquidity": liquidity,
// "description": score > 0.7 ? "High market volatility" : score > 0.4 ? "Moderate market risk" : "Low market risk"
// };
// }
//
// fn calculate_credit_risk(tenant_data: any) -> any {
// // let average_credit_score = tenant_data.average_credit_score
// // let tenant_concentration = tenant_data.largest_tenant_percentage
//
// let credit_score = (850 - average_credit_score) / 200; // Normalized 0-1
// let concentration_score = tenant_concentration; // Higher concentration = higher risk
//
// let score = (credit_score * 0.7) + (concentration_score * 0.3);
//
// return {
// "score": score,
// "average_credit_score": average_credit_score,
// "tenant_concentration": tenant_concentration,
// "description": score > 0.7 ? "High credit risk" : score > 0.4 ? "Moderate credit risk" : "Low credit risk"
// };
// }
//
// fn calculate_environmental_risk(env_data: any) -> any {
// // let flood_risk = env_data.flood_risk_score
// // let earthquake_risk = env_data.earthquake_risk_score
// // let climate_risk = env_data.climate_change_risk_score
//
// let score = (flood_risk + earthquake_risk + climate_risk) / 3;
//
// return {
// "score": score,
// "flood_risk": flood_risk,
// "earthquake_risk": earthquake_risk,
// "climate_risk": climate_risk,
// "description": score > 0.7 ? "High environmental risk" : score > 0.4 ? "Moderate environmental risk" : "Low environmental risk"
// };
// }
//
// fn calculate_economic_risk(economic_data: any) -> any {
// // let unemployment = economic_data.unemployment_rate
// // let gdp_growth = economic_data.gdp_growth
// // let inflation = economic_data.inflation_rate
//
// let score = (unemployment * 0.5) + ((0.03 - gdp_growth) * 0.3) + (inflation * 0.2);
//
// return {
// "score": score,
// "unemployment": unemployment,
// "gdp_growth": gdp_growth,
// "inflation": inflation,
// "description": score > 0.7 ? "High economic risk" : score > 0.4 ? "Moderate economic risk" : "Low economic risk"
// };
// }
//
// fn get_risk_rating(score: Float) -> String {
// if (score >= 0.8 ) {
// return "very_high";
// } else if (score >= 0.6 ) {
// return "high";
// } else if (score >= 0.4 ) {
// return "moderate";
// } else if (score >= 0.2 ) {
// return "low";
// } else {
// return "very_low";
// }
// }
//
// fn apply_risk_adjustment(valuation: any, risk_assessment: any) -> any {
// let risk_multiplier = match risk_assessment.risk_rating {
// "very_high" => 0.7,
// "high" => 0.85,
// "moderate" => 0.95,
// "low" => 1.0,
// "very_low" => 1.05
// };
//
// return {
// "original_value": valuation.value,
// "adjusted_value": valuation.value * risk_multiplier,
// "risk_multiplier": risk_multiplier,
// "risk_rating": risk_assessment.risk_rating,
// "confidence_score": valuation.confidence_score * (1 - risk_assessment.overall_risk_score),
// "adjustment_reason": "Risk-adjusted valuation based on comprehensive risk assessment"
// };
// }
//
// fn get_commercial_property_appearance(valuation: any, risk_assessment: any) -> any {
// // Appearance based on valuation performance and risk
// // let performance_score = valuation.change_percentage
// let risk_score = risk_assessment.overall_risk_score;
//
// if (performance_score > 0.1 && risk_score < 0.3 ) {
// return {
// "building_quality": "premium",
// "colors": ["#FFD700", "#FFA500", "#FF6347"], // Gold tones
// "effects": ["glowing", "professional_lighting"],
// "accessories": ["luxury_signage", "premium_landscaping"],
// "rarity": "legendary"
// };
// } else if (performance_score > 0.05 && risk_score < 0.5 ) {
// return {
// "building_quality": "high",
// "colors": ["#C0C0C0", "#A8A8A8", "#808080"], // Silver tones
// "effects": ["subtle_shine", "modern_lighting"],
// "accessories": ["quality_signage", "well_maintained"],
// "rarity": "epic"
// };
// } else if (performance_score > -0.05 && risk_score < 0.7 ) {
// return {
// "building_quality": "standard",
// "colors": ["#4169E1", "#0000FF", "#00008B"], // Blue tones
// "effects": ["standard_lighting"],
// "accessories": ["functional_signage"],
// "rarity": "rare"
// };
// } else {
// return {
// "building_quality": "basic",
// "colors": ["#696969", "#808080", "#A9A9A9"], // Gray tones
// "effects": ["basic_lighting"],
// "accessories": ["minimal_signage"],
// "rarity": "common"
// };
// }
// }
//
// fn generate_investment_insights(data: any) -> any {
// return {
// "performance_analysis": {
// "trend": data.valuation.change_percentage > 0 ? "appreciating" : "depreciating",
// "volatility": calculate_volatility(get_valuation_history("${property_config.property_id}")),
// "yield_comparison": compare_to_market_average(data.valuation)
// },
// "risk_analysis": {
// "diversification_benefit": calculate_diversification_benefit(data),
// "hedge_effectiveness": calculate_hedge_effectiveness(data),
// "stress_test_results": run_stress_tests(data)
// },
// "recommendations": {
// "hold_period": data.risk_assessment.risk_rating == "low" ? "long_term" : "medium_term",
// // "rebalancing_needed": data.valuation.change_percentage > 0.15
// "insurance_considerations": data.environmental_data.flood_risk > 0.5
// }
// };
// }
//
// // Execute comprehensive valuation update
// schedule_execution("weekly", update_commercial_property_valuation);
// ';
let nft_name = "Commercial Property RWA";
let nft_config = {
"name": nft_name,
"description": "Dynamic RWA representing commercial real estate with comprehensive valuation and risk assessment",
"collection": "commercial_real_estate",
"chain": "ethereum",
"executable_code": executable_code,
"dynamic_properties": {
"property_feeds": property_feeds,
"property_config": property_config,
"valuation_method": "dcf_with_risk_adjustment",
"risk_assessment": true,
"market_data_integration": true,
"economic_indicators": true,
"environmental_monitoring": true
},
"ai_enabled": true
};
let dynamic_rwa = chain::create_dynamic_rwa(property_config.owner_address, {
"nft_config": nft_config,
"asset_config": {
"asset_type": "commercial_real_estate",
"valuation_method": "dcf_with_risk_adjustment",
"oracle_sources": ["realtor_com", "costar", "economic_data", "environmental_data"],
"update_frequency": 604800000, // Weekly
"risk_parameters": {
"market_risk_weight": 0.4,
"credit_risk_weight": 0.3,
"environmental_risk_weight": 0.2,
"economic_risk_weight": 0.1
}
}
});
let result = {
"dynamic_rwa": dynamic_rwa,
"property_config": property_config,
"property_feeds": property_feeds,
"current_valuation": null,
"risk_assessment": null,
"valuation_history": [],
"performance_metrics": null
};
return Ok(result);
}
// =====================================================
// EXAMPLE 2: ART COLLECTION RWA
// =====================================================
fn create_art_collection_rwa(collection_config: ArtCollectionConfig) -> Result<ArtCollectionRWA, Error> {
let art_feeds = {
"market_data": oracle::create_art_market_feed({
"collection_type": collection_config.collection_type,
"artists": collection_config.artist_names,
"metrics": ["floor_price", "volume", "rarity_scores", "auction_results"],
"marketplaces": ["opensea", "foundation", "superrare", "nifty_gateway"]
}),
"artist_data": oracle::create_artist_feed({
"artists": collection_config.artist_names,
"metrics": ["career_trajectory", "museum_exhibitions", "awards", "social_following"],
"update_interval": 2592000000 // Monthly
}),
"cultural_trends": oracle::create_cultural_feed({
"art_movements": collection_config.art_movements,
"metrics": ["trend_popularity", "critic_reviews", "social_media_sentiment"],
"update_interval": 604800000 // Weekly
})
};
// let executable_code = "(template - see docs)"
// fn update_art_collection_valuation() {
// let market_data = oracle::get_art_market_data("${collection_config.collection_name}");
// let artist_data = oracle::get_artist_data(${json::stringify(collection_config.artist_names)});
// let cultural_data = oracle::get_cultural_data(${json::stringify(collection_config.art_movements)});
//
// // Calculate collection valuation using multiple methods
// let valuation = calculate_art_collection_valuation({
// "market_data": market_data,
// "artist_data": artist_data,
// "cultural_data": cultural_data,
// "collection_specs": ${json::stringify(collection_config.collection_specs)}
// });
//
// // Assess cultural and market risks
// let risk_assessment = assess_art_collection_risks({
// "valuation": valuation,
// "market_data": market_data,
// "artist_data": artist_data,
// "cultural_data": cultural_data
// });
//
// // Apply cultural trend adjustments
// let trend_adjusted_valuation = apply_cultural_trend_adjustment(valuation, cultural_data);
//
// // Update NFT appearance based on cultural significance and market performance
// let appearance = get_art_collection_appearance(trend_adjusted_valuation, cultural_data);
//
// // Generate art world insights
// let insights = generate_art_world_insights({
// "valuation": trend_adjusted_valuation,
// "cultural_trends": cultural_data,
// "market_performance": market_data
// });
//
// update_metadata({
// "collection_name": "${collection_config.collection_name}",
// "collection_type": "${collection_config.collection_type}",
// "artists": ${json::stringify(collection_config.artist_names)},
// "art_movements": ${json::stringify(collection_config.art_movements)},
// "current_valuation": trend_adjusted_valuation.value,
// "valuation_confidence": trend_adjusted_valuation.confidence,
// "market_data": market_data,
// "artist_data": artist_data,
// "cultural_data": cultural_data,
// "risk_assessment": risk_assessment,
// "appearance": appearance,
// "art_world_insights": insights,
// "last_valuation_update": chain::get_block_timestamp(),
// "valuation_method": "market_comparison_with_cultural_adjustment"
// });
//
// // Trigger cultural significance events
// if (cultural_data.trend_popularity > 0.8 ) {
// trigger_action("cultural_significance_milestone", {
// "trend_popularity": cultural_data.trend_popularity,
// "movement": cultural_data.primary_movement,
// "celebration_effects": get_cultural_celebration_effects(cultural_data)
// });
// }
//
// // AI-powered art market predictions
// if (ai_enabled ) {
// let predictions = ai::predict_art_market_trends({
// "current_data": trend_adjusted_valuation,
// "historical_data": get_art_market_history("${collection_config.collection_name}"),
// "cultural_trends": cultural_data,
// "artist_trajectories": artist_data
// });
//
// trigger_action("art_market_predictions", {
// "predictions": predictions,
// "time_horizon": "6_months",
// "confidence_levels": predictions.confidence_levels
// });
// }
// }
//
// fn calculate_art_collection_valuation(data: any) -> any {
// let specs = data.collection_specs;
//
// // Market comparison approach (primary for art)
// // let comparable_sales = data.market_data.recent_sales
// let market_value = comparable_sales.length() > 0 ?
// calculate_art_market_average(comparable_sales, specs) : specs.estimated_value;
//
// // Artist reputation multiplier
// let artist_multiplier = calculate_artist_reputation_multiplier(data.artist_data);
//
// // Cultural significance premium
// let cultural_premium = calculate_cultural_significance_premium(data.cultural_data);
//
// // Final valuation with adjustments
// let final_value = market_value * artist_multiplier * cultural_premium;
//
// return {
// "value": final_value,
// "method_breakdown": {
// "market_comparison": market_value,
// "artist_multiplier": artist_multiplier,
// "cultural_premium": cultural_premium
// },
// "confidence_score": calculate_art_valuation_confidence(data),
// "valuation_factors": {
// "artist_reputation": data.artist_data.average_reputation_score,
// "cultural_significance": data.cultural_data.trend_popularity,
// "market_demand": data.market_data.buyer_demand_index
// }
// };
// }
//
// fn calculate_artist_reputation_multiplier(artist_data: any) -> Float {
// // let reputation_score = artist_data.average_reputation_score
//
// // Exponential multiplier based on reputation
// return 1.0 + (reputation_score * 2.0); // 1.0 to 3.0 multiplier
// }
//
// fn calculate_cultural_significance_premium(cultural_data: any) -> Float {
// // let trend_popularity = cultural_data.trend_popularity
// // let critic_reviews = cultural_data.average_critic_score
//
// let cultural_score = (trend_popularity + critic_reviews) / 2;
// return 1.0 + (cultural_score * 1.5); // 1.0 to 2.5 premium
// }
//
// fn assess_art_collection_risks(data: any) -> any {
// let risks = {
// "market_risk": calculate_art_market_risk(data.market_data),
// "artist_risk": calculate_artist_risk(data.artist_data),
// "cultural_risk": calculate_cultural_risk(data.cultural_data),
// "authenticity_risk": calculate_authenticity_risk(data.collection_specs),
// "liquidity_risk": calculate_art_liquidity_risk(data.market_data)
// };
//
// let overall_risk_score = Object.values(risks).reduce((sum, risk) => sum + risk.score, 0) / risks.length();
// let risk_rating = get_art_risk_rating(overall_risk_score);
//
// return {
// "risk_breakdown": risks,
// "overall_risk_score": overall_risk_score,
// "risk_rating": risk_rating,
// "elevated_risks": Object.entries(risks).filter(([_, risk]) => risk.score > 0.7).map(([name, _]) => name),
// "preservation_strategies": generate_art_preservation_strategies(risks)
// };
// }
//
// fn get_art_collection_appearance(valuation: any, cultural_data: any) -> any {
// // let cultural_significance = cultural_data.trend_popularity
// // let market_performance = valuation.change_percentage
//
// if (cultural_significance > 0.8 && market_performance > 0.1 ) {
// return {
// "gallery_quality": "museum_worthy",
// "colors": ["#FFD700", "#FFA500", "#FF6347"], // Masterpiece gold
// "effects": ["soft_glow", "spotlight", "depth_of_field"],
// "accessories": ["plaque", "security_system", "climate_control"],
// "rarity": "legendary"
// };
// } else if (cultural_significance > 0.6 && market_performance > 0.05 ) {
// return {
// "gallery_quality": "gallery_exhibition",
// "colors": ["#9370DB", "#8A2BE2", "#4B0082"], // Artistic purple
// "effects": ["gentle_illumination", "subtle_animation"],
// "accessories": ["elegant_frame", "lighting_system"],
// "rarity": "epic"
// };
// } else if (cultural_significance > 0.4 ) {
// return {
// "gallery_quality": "art_fair_display",
// "colors": ["#4169E1", "#0000FF", "#00008B"], // Professional blue
// "effects": ["standard_lighting"],
// "accessories": ["quality_frame"],
// "rarity": "rare"
// };
// } else {
// return {
// "gallery_quality": "storage_display",
// "colors": ["#696969", "#808080", "#A9A9A9"], // Neutral gray
// "effects": ["basic_lighting"],
// "accessories": ["protective_case"],
// "rarity": "common"
// };
// }
// }
//
// // Execute valuation updates
// schedule_execution("weekly", update_art_collection_valuation);
// ';
let nft_config = {
"name": // format!("Art Collection RWA - {}", collection_config.collection_name),
"description": "Dynamic RWA representing valuable art collection with cultural and market valuation",
"collection": "art_collections",
"chain": "ethereum",
"executable_code": executable_code,
"dynamic_properties": {
"art_feeds": art_feeds,
"collection_config": collection_config,
"valuation_method": "market_comparison_with_cultural_adjustment",
"cultural_monitoring": true,
"artist_tracking": true,
"market_analysis": true
},
"ai_enabled": true
};
let dynamic_rwa = chain::create_dynamic_rwa(collection_config.owner_address, {
"nft_config": nft_config,
"asset_config": {
"asset_type": "art_collection",
"valuation_method": "market_comparison_with_cultural_adjustment",
"oracle_sources": ["art_marketplaces", "artist_data", "cultural_trends"],
"update_frequency": 604800000, // Weekly
"risk_parameters": {
"market_risk_weight": 0.3,
"artist_risk_weight": 0.3,
"cultural_risk_weight": 0.2,
"authenticity_risk_weight": 0.2
}
}
});
return Ok(ArtCollectionRWA {
"dynamic_rwa": dynamic_rwa,
"collection_config": collection_config,
"art_feeds": art_feeds,
"current_valuation": null,
"cultural_significance": null,
"artist_metrics": null,
"valuation_history": []
});
}
// =====================================================
// EXAMPLE 3: CARBON CREDIT RWA
// =====================================================
fn create_carbon_credit_rwa(credit_config: CarbonCreditConfig) -> Result<CarbonCreditRWA, Error> {
let environmental_feeds = {
"carbon_data": oracle::create_carbon_feed({
"project_id": credit_config.project_id,
"metrics": ["carbon_sequestered", "verification_status", "additionality"],
"standards": credit_config.carbon_standard,
"update_interval": 2592000000 // Monthly
}),
"regulatory_data": oracle::create_regulatory_feed({
"jurisdiction": credit_config.jurisdiction,
"regulations": ["carbon_tax", "cap_and_trade", "renewable_energy_standards"],
"update_interval": 604800000 // Weekly
}),
"market_data": oracle::create_carbon_market_feed({
"trading_platforms": ["xeprex", "carbon_trade_exchange", "aircarbon"],
"metrics": ["carbon_price", "trading_volume", "market_demand"],
"update_interval": 3600000 // Hourly
}),
"verification_data": oracle::create_verification_feed({
"verifiers": credit_config.verification_bodies,
"metrics": ["audit_status", "compliance_score", "certification_validity"],
"update_interval": 2592000000 // Monthly
})
};
// let executable_code = "(template - see docs)"
// fn update_carbon_credit_valuation() {
// let carbon_data = oracle::get_carbon_data("${credit_config.project_id}");
// let regulatory_data = oracle::get_regulatory_data("${credit_config.jurisdiction}");
// let market_data = oracle::get_carbon_market_data();
// let verification_data = oracle::get_verification_data(${json::stringify(credit_config.verification_bodies)});
//
// // Calculate carbon credit valuation
// let valuation = calculate_carbon_credit_valuation({
// "carbon_data": carbon_data,
// "regulatory_data": regulatory_data,
// "market_data": market_data,
// "verification_data": verification_data,
// "project_specs": ${json::stringify(credit_config.project_specs)}
// });
//
// // Assess environmental and regulatory risks
// let risk_assessment = assess_carbon_credit_risks({
// "valuation": valuation,
// "carbon_data": carbon_data,
// "regulatory_data": regulatory_data,
// "verification_data": verification_data
// });
//
// // Apply regulatory and market adjustments
// let adjusted_valuation = apply_carbon_market_adjustments(valuation, market_data, regulatory_data);
//
// // Update NFT appearance based on environmental impact and market value
// let appearance = get_carbon_credit_appearance(adjusted_valuation, carbon_data);
//
// // Generate sustainability insights
// let insights = generate_sustainability_insights({
// "valuation": adjusted_valuation,
// "carbon_data": carbon_data,
// "regulatory_changes": regulatory_data.upcoming_changes
// });
//
// update_metadata({
// "project_id": "${credit_config.project_id}",
// "project_name": "${credit_config.project_name}",
// "carbon_standard": "${credit_config.carbon_standard}",
// "jurisdiction": "${credit_config.jurisdiction}",
// "current_valuation": adjusted_valuation.value,
// "valuation_confidence": adjusted_valuation.confidence,
// "carbon_sequestered": carbon_data.total_sequestered,
// "verification_status": verification_data.overall_status,
// "market_data": market_data,
// "regulatory_data": regulatory_data,
// "risk_assessment": risk_assessment,
// "appearance": appearance,
// "sustainability_insights": insights,
// "last_valuation_update": chain::get_block_timestamp(),
// "valuation_method": "market_based_with_environmental_adjustment"
// });
//
// // Trigger environmental impact milestones
// if (carbon_data.total_sequestered >= carbon_data.target_sequestered * 0.25 ) {
// trigger_action("carbon_milestone_achievement", {
// "milestone": "25_percent_complete",
// "total_sequestered": carbon_data.total_sequestered,
// "celebration_effects": get_environmental_celebration_effects("quarter_complete")
// });
// }
//
// // AI-powered climate predictions
// if (ai_enabled ) {
// let predictions = ai::predict_climate_impact({
// "current_data": adjusted_valuation,
// "carbon_data": carbon_data,
// "regulatory_trends": regulatory_data.trends,
// "market_forecast": market_data.price_forecast
// });
//
// trigger_action("climate_predictions", {
// "predictions": predictions,
// "impact_assessment": predictions.environmental_impact,
// "recommendations": predictions.sustainability_recommendations
// });
// }
// }
//
// fn calculate_carbon_credit_valuation(data: any) -> any {
// // let market_price = data.market_data.average_price
// // let total_sequestered = data.carbon_data.total_sequestered
//
// // Base valuation
// let base_value = market_price * total_sequestered;
//
// // Quality adjustments
// let quality_multiplier = calculate_carbon_credit_quality_multiplier({
// "verification_score": data.verification_data.compliance_score,
// "additionality": data.carbon_data.additionality_score,
// "permanence": data.carbon_data.permanence_score
// });
//
// // Regulatory premium/discount
// let regulatory_adjustment = calculate_regulatory_adjustment(data.regulatory_data);
//
// // Final valuation
// let final_value = base_value * quality_multiplier * regulatory_adjustment;
//
// return {
// "value": final_value,
// "method_breakdown": {
// "base_market_value": base_value,
// "quality_multiplier": quality_multiplier,
// "regulatory_adjustment": regulatory_adjustment
// },
// "carbon_credits": total_sequestered,
// "price_per_ton": market_price,
// "confidence_score": calculate_carbon_valuation_confidence(data)
// };
// }
//
// fn calculate_carbon_credit_quality_multiplier(quality_factors: any) -> Float {
// // let verification_score = quality_factors.verification_score
// // let additionality = quality_factors.additionality
// // let permanence = quality_factors.permanence
//
// let overall_quality = (verification_score + additionality + permanence) / 3;
// return 0.8 + (overall_quality * 0.4); // 0.8 to 1.2 multiplier
// }
//
// fn calculate_regulatory_adjustment(regulatory_data: any) -> Float {
// // let carbon_tax_rate = regulatory_data.carbon_tax_rate
// // let cap_and_trade_stringency = regulatory_data.cap_stringency
//
// let regulatory_demand = (carbon_tax_rate / 50.0) + cap_and_trade_stringency;
// return 1.0 + (regulatory_demand * 0.3); // Up to 30% premium for strong regulations
// }
//
// fn assess_carbon_credit_risks(data: any) -> any {
// let risks = {
// "verification_risk": calculate_verification_risk(data.verification_data),
// "permanence_risk": calculate_permanence_risk(data.carbon_data),
// "regulatory_risk": calculate_regulatory_risk(data.regulatory_data),
// "market_risk": calculate_carbon_market_risk(data.market_data),
// "environmental_risk": calculate_environmental_effectiveness_risk(data.carbon_data)
// };
//
// let overall_risk_score = Object.values(risks).reduce((sum, risk) => sum + risk.score, 0) / risks.length();
// let risk_rating = get_carbon_risk_rating(overall_risk_score);
//
// return {
// "risk_breakdown": risks,
// "overall_risk_score": overall_risk_score,
// "risk_rating": risk_rating,
// "elevated_risks": Object.entries(risks).filter(([_, risk]) => risk.score > 0.7).map(([name, _]) => name),
// "risk_mitigation": generate_carbon_risk_mitigation(risks)
// };
// }
//
// fn get_carbon_credit_appearance(valuation: any, carbon_data: any) -> any {
// // let environmental_impact = carbon_data.total_sequestered
// // let market_performance = valuation.change_percentage
//
// if (environmental_impact > 10000 && market_performance > 0.05 ) {
// return {
// "environmental_theme": "global_impact",
// "colors": ["#228B22", "#32CD32", "#006400"], // Deep forest green
// "effects": ["aurora_borealis", "global_map_overlay", "carbon_molecules"],
// "accessories": ["earth_globe", "sustainability_certificate", "impact_metrics"],
// "rarity": "legendary"
// };
// } else if (environmental_impact > 5000 && market_performance > 0.02 ) {
// return {
// "environmental_theme": "regional_impact",
// "colors": ["#9ACD32", "#6B8E23", "#556B2F"], // Olive green tones
// "effects": ["forest_animation", "regional_map_highlight"],
// "accessories": ["regional_certificate", "tree_counter"],
// "rarity": "epic"
// };
// } else if (environmental_impact > 1000 ) {
// return {
// "environmental_theme": "local_impact",
// "colors": ["#98FB98", "#90EE90", "#00FF7F"], // Light green tones
// "effects": ["leaf_particles", "growth_animation"],
// "accessories": ["local_certificate", "sapling"],
// "rarity": "rare"
// };
// } else {
// return {
// "environmental_theme": "early_stage",
// "colors": ["#F0F8FF", "#E0FFFF", "#AFEEEE"], // Light blue tones
// "effects": ["water_droplets", "seedling_growth"],
// "accessories": ["seed_packet", "watering_can"],
// "rarity": "common"
// };
// }
// }
//
// fn generate_sustainability_insights(data: any) -> any {
// return {
// "environmental_impact": {
// "carbon_sequestered": data.carbon_data.total_sequestered,
// "equivalent_cars_off_road": Math.floor(data.carbon_data.total_sequestered / 4.6),
// "equivalent_tree_years": Math.floor(data.carbon_data.total_sequestered / 0.05)
// },
// "market_analysis": {
// "price_trend": data.market_data.price_trend,
// "volatility": calculate_carbon_price_volatility(data.market_data.price_history),
// "demand_forecast": data.market_data.demand_forecast
// },
// "regulatory_outlook": {
// "upcoming_changes": data.regulatory_data.upcoming_regulations,
// "compliance_status": data.verification_data.compliance_status,
// "policy_impact": calculate_policy_impact(data.regulatory_data)
// },
// "recommendations": {
// "optimal_holding_period": data.risk_assessment.risk_rating == "low" ? "long_term" : "medium_term",
// "diversification_strategy": "combine_with_other_environmental_assets",
// "impact_maximization": "focus_on_verified_high_quality_credits"
// }
// };
// }
//
// // Execute valuation updates
// schedule_execution("monthly", update_carbon_credit_valuation);
// ';
let nft_config = {
"name": // format!("Carbon Credit RWA - {}", credit_config.project_name),
"description": "Dynamic RWA representing verified carbon credits with environmental and market valuation",
"collection": "carbon_credits",
"chain": "polygon",
"executable_code": executable_code,
"dynamic_properties": {
"environmental_feeds": environmental_feeds,
"credit_config": credit_config,
"valuation_method": "market_based_with_environmental_adjustment",
"regulatory_monitoring": true,
"verification_tracking": true,
"market_integration": true
},
"ai_enabled": true
};
let dynamic_rwa = chain::create_dynamic_rwa(credit_config.owner_address, {
"nft_config": nft_config,
"asset_config": {
"asset_type": "carbon_credits",
"valuation_method": "market_based_with_environmental_adjustment",
"oracle_sources": ["carbon_registries", "environmental_data", "market_prices", "regulatory_updates"],
"update_frequency": 2592000000, // Monthly
"risk_parameters": {
"verification_risk_weight": 0.3,
"regulatory_risk_weight": 0.3,
"market_risk_weight": 0.2,
"permanence_risk_weight": 0.2
}
}
});
return Ok(CarbonCreditRWA {
"dynamic_rwa": dynamic_rwa,
"credit_config": credit_config,
"environmental_feeds": environmental_feeds,
"current_valuation": null,
"carbon_sequestered": 0,
"verification_status": null,
"valuation_history": [],
"environmental_impact": null
});
}
}
// =====================================================
// UTILITY STRUCTURES AND INTERFACES
// =====================================================
struct CommercialPropertyConfig {
property_id: String,
owner_address: String,
location: any,
property_specs: any
}
struct ArtCollectionConfig {
collection_name: String,
collection_type: String,
artist_names: List<String>,
art_movements: List<String>,
owner_address: String,
collection_specs: any
}
struct CarbonCreditConfig {
project_id: String,
project_name: String,
carbon_standard: String,
jurisdiction: String,
verification_bodies: List<String>,
owner_address: String,
project_specs: any
}
struct CommercialPropertyRWA {
dynamic_rwa: any,
property_config: CommercialPropertyConfig,
property_feeds: any,
current_valuation: any,
risk_assessment: any,
valuation_history: List<any>,
performance_metrics: any
}
struct ArtCollectionRWA {
dynamic_rwa: any,
collection_config: ArtCollectionConfig,
art_feeds: any,
current_valuation: any,
cultural_significance: any,
artist_metrics: any,
valuation_history: List<any>
}
struct CarbonCreditRWA {
dynamic_rwa: any,
credit_config: CarbonCreditConfig,
environmental_feeds: any,
current_valuation: any,
carbon_sequestered: i64,
verification_status: any,
valuation_history: List<any>,
environmental_impact: any
}