Implement Storage Optimization and Efficient Data Structure Management #74

contracts/predictify-hybrid/src/events.rs

@@ -759,6 +759,46 @@ pub struct ConfigInitializedEvent {
     pub timestamp: u64,
 }
 
+/// Storage cleanup event
+#[contracttype]
+#[derive(Clone, Debug)]
+pub struct StorageCleanupEvent {
+    /// Market ID
+    pub market_id: Symbol,
+    /// Cleanup type
+    pub cleanup_type: String,
+    /// Cleanup timestamp
+    pub timestamp: u64,
+}
+
+/// Storage optimization event
+#[contracttype]
+#[derive(Clone, Debug)]
+pub struct StorageOptimizationEvent {
+    /// Market ID
+    pub market_id: Symbol,
+    /// Optimization type
+    pub optimization_type: String,
+    /// Optimization timestamp
+    pub timestamp: u64,
+}
+
+/// Storage migration event
+#[contracttype]
+#[derive(Clone, Debug)]
+pub struct StorageMigrationEvent {
+    /// Migration ID
+    pub migration_id: Symbol,
+    /// Source format
+    pub from_format: String,
+    /// Target format
+    pub to_format: String,
+    /// Number of markets migrated
+    pub markets_migrated: u32,
+    /// Migration timestamp
+    pub timestamp: u64,
+}
+
 // ===== EVENT EMISSION UTILITIES =====
 
 /// Event emission utilities
@@ -1169,6 +1209,55 @@ impl EventEmitter {
         Self::store_event(env, &symbol_short!("auto_res"), &event);
     }
 
+    /// Emit storage cleanup event
+    pub fn emit_storage_cleanup_event(
+        env: &Env,
+        market_id: &Symbol,
+        cleanup_type: &String,
+    ) {
+        let event = StorageCleanupEvent {
+            market_id: market_id.clone(),
+            cleanup_type: cleanup_type.clone(),
+            timestamp: env.ledger().timestamp(),
+        };
+
+        Self::store_event(env, &symbol_short!("stor_cln"), &event);
+    }
+
+    /// Emit storage optimization event
+    pub fn emit_storage_optimization_event(
+        env: &Env,
+        market_id: &Symbol,
+        optimization_type: &String,
+    ) {
+        let event = StorageOptimizationEvent {
+            market_id: market_id.clone(),
+            optimization_type: optimization_type.clone(),
+            timestamp: env.ledger().timestamp(),
+        };
+
+        Self::store_event(env, &symbol_short!("stor_opt"), &event);
+    }
+
+    /// Emit storage migration event
+    pub fn emit_storage_migration_event(
+        env: &Env,
+        migration_id: &Symbol,
+        from_format: &String,
+        to_format: &String,
+        markets_migrated: u32,
+    ) {
+        let event = StorageMigrationEvent {
+            migration_id: migration_id.clone(),
+            from_format: from_format.clone(),
+            to_format: to_format.clone(),
+            markets_migrated,
+            timestamp: env.ledger().timestamp(),
+        };
+
+        Self::store_event(env, &symbol_short!("stor_mig"), &event);
+    }
+
     /// Store event in persistent storage
     fn store_event<T>(env: &Env, event_key: &Symbol, event_data: &T)
     where

contracts/predictify-hybrid/src/lib.rs

@@ -17,6 +17,7 @@ mod fees;
 mod markets;
 mod oracles;
 mod resolution;
+mod storage;
 mod types;
 mod utils;
 mod validation;
@@ -1031,6 +1032,92 @@ impl PredictifyHybrid {
             reason,
         )
     }
+
+    // ===== STORAGE OPTIMIZATION FUNCTIONS =====
+
+    /// Compress market data for storage optimization
+    pub fn compress_market_data(env: Env, market_id: Symbol) -> Result<storage::CompressedMarket, Error> {
+        let market = match markets::MarketStateManager::get_market(&env, &market_id) {
+            Ok(m) => m,
+            Err(e) => return Err(e),
+        };
+
+        storage::StorageOptimizer::compress_market_data(&env, &market)
+    }
+
+    /// Clean up old market data based on age and state
+    pub fn cleanup_old_market_data(env: Env, market_id: Symbol) -> Result<bool, Error> {
+        storage::StorageOptimizer::cleanup_old_market_data(&env, &market_id)
+    }
+
+    /// Migrate storage format from old to new format
+    pub fn migrate_storage_format(
+        env: Env,
+        from_format: storage::StorageFormat,
+        to_format: storage::StorageFormat,
+    ) -> Result<storage::StorageMigration, Error> {
+        storage::StorageOptimizer::migrate_storage_format(&env, from_format, to_format)
+    }
+
+    /// Monitor storage usage and return statistics
+    pub fn monitor_storage_usage(env: Env) -> Result<storage::StorageUsageStats, Error> {
+        storage::StorageOptimizer::monitor_storage_usage(&env)
+    }
+
+    /// Optimize storage layout for a specific market
+    pub fn optimize_storage_layout(env: Env, market_id: Symbol) -> Result<bool, Error> {
+        storage::StorageOptimizer::optimize_storage_layout(&env, &market_id)
+    }
+
+    /// Get storage usage statistics
+    pub fn get_storage_usage_statistics(env: Env) -> Result<storage::StorageUsageStats, Error> {
+        storage::StorageOptimizer::get_storage_usage_statistics(&env)
+    }
+
+    /// Validate storage integrity for a specific market
+    pub fn validate_storage_integrity(env: Env, market_id: Symbol) -> Result<storage::StorageIntegrityResult, Error> {
+        storage::StorageOptimizer::validate_storage_integrity(&env, &market_id)
+    }
+
+    /// Get storage configuration
+    pub fn get_storage_config(env: Env) -> storage::StorageConfig {
+        storage::StorageOptimizer::get_storage_config(&env)
+    }
+
+    /// Update storage configuration
+    pub fn update_storage_config(env: Env, config: storage::StorageConfig) -> Result<(), Error> {
+        storage::StorageOptimizer::update_storage_config(&env, &config)
+    }
+
+    /// Calculate storage cost for a market
+    pub fn calculate_storage_cost(env: Env, market_id: Symbol) -> Result<u64, Error> {
+        let market = match markets::MarketStateManager::get_market(&env, &market_id) {
+            Ok(m) => m,
+            Err(e) => return Err(e),
+        };
+
+        Ok(storage::StorageUtils::calculate_storage_cost(&market))
+    }
+
+    /// Get storage efficiency score for a market
+    pub fn get_storage_efficiency_score(env: Env, market_id: Symbol) -> Result<u32, Error> {
+        let market = match markets::MarketStateManager::get_market(&env, &market_id) {
+            Ok(m) => m,
+            Err(e) => return Err(e),
+        };
+
+        Ok(storage::StorageUtils::get_storage_efficiency_score(&market))
+    }
+
+    /// Get storage recommendations for a market
+    pub fn get_storage_recommendations(env: Env, market_id: Symbol) -> Result<Vec<String>, Error> {
+        let market = match markets::MarketStateManager::get_market(&env, &market_id) {
+            Ok(m) => m,
+            Err(e) => return Err(e),
+        };
+
+        Ok(storage::StorageUtils::get_storage_recommendations(&market))
+    }
 }
 
 mod test;