- Add fast_fn module with global caches for PDA, ATA, and instruction operations
- Implement memory-efficient caches using CLRU and parking_lot for thread-safe access
- Optimize compute budget instruction generation with caching
- Replace std::sync::Mutex with parking_lot::Mutex for better performance
- Add dedicated caching for PumpFun PDAs and associated token addresses
- Improve transaction building with batch signature optimization
- Add new dependencies: clru, smallvec, parking_lot for cache infrastructure
- Remove unused utility functions in pumpfun module
- Enhance error messages for tip fee configuration validation
- Consolidate protocol constants to unified module
- Pre-build AccountMeta objects using once_cell::Lazy
- Reduce instruction building overhead across all DEX protocols
- Improve code maintainability and performance
- Remove src/common/address_lookup.rs and tip_cache.rs to simplify common modules
- Move protocol-specific utility functions from trading/ to instruction/utils/
- Refactor utility functions for PumpFun, PumpSwap, Raydium AMM V4, and Raydium CPMM
- Consolidate constant definitions by inlining seeds and accounts modules into respective utility files
- Update all import paths to ensure code consistency
- Optimize trading parameter construction and executor logic
- Improve address lookup cache and nonce management mechanisms
ysq