manifest/program/instruction_builders/
swap_instruction.rs

1use crate::{
2    program::{swap::SwapParams, ManifestInstruction},
3    validation::{get_global_address, get_global_vault_address, get_vault_address},
4};
5use borsh::BorshSerialize;
6use solana_program::{
7    instruction::{AccountMeta, Instruction},
8    pubkey::Pubkey,
9};
10
11#[allow(clippy::too_many_arguments)]
12pub fn swap_instruction(
13    market: &Pubkey,
14    payer: &Pubkey,
15    base_mint: &Pubkey,
16    quote_mint: &Pubkey,
17    trader_base_account: &Pubkey,
18    trader_quote_account: &Pubkey,
19    in_atoms: u64,
20    out_atoms: u64,
21    is_base_in: bool,
22    is_exact_in: bool,
23    token_program_base: Pubkey,
24    token_program_quote: Pubkey,
25    include_global: bool,
26) -> Instruction {
27    let (vault_base_account, _) = get_vault_address(market, base_mint);
28    let (vault_quote_account, _) = get_vault_address(market, quote_mint);
29    let mut account_metas: Vec<AccountMeta> = vec![
30        AccountMeta::new_readonly(*payer, true),
31        AccountMeta::new(*market, false),
32        AccountMeta::new_readonly(solana_program::system_program::id(), false),
33        AccountMeta::new(*trader_base_account, false),
34        AccountMeta::new(*trader_quote_account, false),
35        AccountMeta::new(vault_base_account, false),
36        AccountMeta::new(vault_quote_account, false),
37        AccountMeta::new_readonly(token_program_base, false),
38    ];
39    if token_program_base == spl_token_2022::id() {
40        account_metas.push(AccountMeta::new_readonly(*base_mint, false))
41    }
42    if token_program_base != token_program_quote {
43        account_metas.push(AccountMeta::new_readonly(token_program_quote, false))
44    }
45    if token_program_quote == spl_token_2022::id() {
46        account_metas.push(AccountMeta::new(*quote_mint, false))
47    }
48    if include_global {
49        let global_mint: &Pubkey = if is_base_in { quote_mint } else { base_mint };
50        let (global, _) = get_global_address(global_mint);
51        let (global_vault, _) = get_global_vault_address(global_mint);
52        account_metas.push(AccountMeta::new(global, false));
53        account_metas.push(AccountMeta::new(global_vault, false));
54    }
55
56    Instruction {
57        program_id: crate::id(),
58        accounts: account_metas,
59        data: [
60            ManifestInstruction::Swap.to_vec(),
61            SwapParams::new(in_atoms, out_atoms, is_base_in, is_exact_in)
62                .try_to_vec()
63                .unwrap(),
64        ]
65        .concat(),
66    }
67}
manifest/program/instruction_builders/swap_instruction.rs

manifest/program/instruction_builders/
swap_instruction.rs
