gmsol_programs/model/
virtual_inventory.rs

1use std::ops::Deref;
2use std::sync::Arc;
3
4use crate::gmsol_store::{accounts::VirtualInventory, types::Pool};
5
6/// Virtual Inventory Model.
7///
8/// An off-chain encapsulation of the on-chain [`VirtualInventory`] account.
9/// This encapsulation uses Copy-On-Write (COW) semantics via [`Arc`] to allow
10/// efficient cloning while enabling mutations when needed.
11#[derive(Debug, Clone)]
12pub struct VirtualInventoryModel {
13    virtual_inventory: Arc<VirtualInventory>,
14}
15
16impl Deref for VirtualInventoryModel {
17    type Target = VirtualInventory;
18
19    fn deref(&self) -> &Self::Target {
20        &self.virtual_inventory
21    }
22}
23
24impl VirtualInventoryModel {
25    /// Create from parts.
26    pub fn from_parts(virtual_inventory: Arc<VirtualInventory>) -> Self {
27        Self { virtual_inventory }
28    }
29
30    /// Get the pool from the virtual inventory.
31    ///
32    /// This returns a reference to the [`Pool`] stored in the
33    /// [`PoolStorage`] of the virtual inventory.
34    pub fn pool(&self) -> &Pool {
35        &self.virtual_inventory.pool.pool
36    }
37
38    /// Get a mutable reference to the pool.
39    ///
40    /// This will trigger Copy-On-Write if the virtual inventory
41    /// is shared with other instances.
42    pub fn pool_mut(&mut self) -> &mut Pool {
43        let vi = self.make_virtual_inventory_mut();
44        // Access the pool field directly through the PoolStorage
45        &mut vi.pool.pool
46    }
47
48    /// Get a mutable reference to the virtual inventory.
49    ///
50    /// This will trigger Copy-On-Write if the virtual inventory
51    /// is shared with other instances.
52    fn make_virtual_inventory_mut(&mut self) -> &mut VirtualInventory {
53        Arc::make_mut(&mut self.virtual_inventory)
54    }
55}
gmsol_programs/model/virtual_inventory.rs

gmsol_programs/model/
virtual_inventory.rs
