amm/
state.rs

1//! Pool account state
2
3use crate::curve::curve_type::CurveType;
4use crate::curve::fees::PoolFees;
5use anchor_lang::prelude::*;
6use std::fmt::Debug;
7
8#[derive(AnchorSerialize, AnchorDeserialize, Default, Debug, Clone, Copy)]
9/// Padding for future pool fields
10pub struct Padding {
11    /// Padding 0
12    pub padding_0: [u8; 15], // 15
13    /// Padding 1
14    pub padding: [u128; 29], // 464
15}
16
17/// Pool type
18#[derive(AnchorSerialize, AnchorDeserialize, Clone, Copy, Debug, PartialEq)]
19pub enum PoolType {
20    /// Permissioned
21    Permissioned,
22    /// Permissionless
23    Permissionless,
24}
25impl Default for PoolType {
26    fn default() -> Self {
27        PoolType::Permissioned
28    }
29}
30
31#[account]
32#[derive(Default, Debug)]
33/// State of pool account
34pub struct Pool {
35    /// LP token mint of the pool
36    pub lp_mint: Pubkey, //32
37    /// Token A mint of the pool. Eg: USDT
38    pub token_a_mint: Pubkey, //32
39    /// Token B mint of the pool. Eg: USDC
40    pub token_b_mint: Pubkey, //32
41    /// Vault account for token A. Token A of the pool will be deposit / withdraw from this vault account.
42    pub a_vault: Pubkey, //32
43    /// Vault account for token B. Token B of the pool will be deposit / withdraw from this vault account.
44    pub b_vault: Pubkey, //32
45    /// LP token account of vault A. Used to receive/burn the vault LP upon deposit/withdraw from the vault.
46    pub a_vault_lp: Pubkey, //32
47    /// LP token account of vault B. Used to receive/burn the vault LP upon deposit/withdraw from the vault.
48    pub b_vault_lp: Pubkey, //32
49    /// "A" vault lp bump. Used to create signer seeds.
50    pub a_vault_lp_bump: u8, //1
51    /// Flag to determine whether the pool is enabled, or disabled.
52    pub enabled: bool, //1
53    /// Admin fee token account for token A. Used to receive trading fee.
54    pub admin_token_a_fee: Pubkey, //32
55    /// Admin fee token account for token B. Used to receive trading fee.
56    pub admin_token_b_fee: Pubkey, //32
57    /// Owner of the pool.
58    pub admin: Pubkey, //32
59    /// Store the fee charges setting.
60    pub fees: PoolFees, //48
61    /// Pool type
62    pub pool_type: PoolType,
63    /// Stake pubkey of SPL stake pool
64    pub stake: Pubkey,
65    /// Padding for future pool field
66    pub padding: Padding, // 512 Refer: curve_type.rs for the test
67    /// The type of the swap curve supported by the pool.
68    // Leaving curve_type as last field give us the flexibility to add specific curve information / new curve type
69    pub curve_type: CurveType, //9
70}
amm/state.rs

amm/
state.rs
