pub type EnginePositionMap = HashMap<(WalletAddress, String), EnginePosition>;Expand description
The engine’s position map, keyed by (wallet, instrument_symbol).
Each entry tracks a single wallet’s position in a single instrument.
The String key is the instrument symbol (e.g., "BTC-20260501-80000-C").
Aliased Type§
pub struct EnginePositionMap { /* private fields */ }