- Replace dynamic PDA calculations with cached vault addresses for better performance
- Add support for pre-calculated pool state and observation state addresses
- Optimize instruction data creation using fixed-size arrays instead of Vec
- Refactor vault account resolution with fallback to PDA calculation
- Use fast ATA address calculation to reduce computation overhead
- Extract common wSOL handling logic to reduce code duplication
- Add RaydiumCpmmParams::from_trade() constructor for event-driven trading
- Improve memory allocation efficiency with Vec::with_capacity()
- 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
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