use {
crate::types::SwapParams,
carbon_core::{account_utils::next_account, deserialize::ArrangeAccounts},
};
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(Debug, Clone, borsh::BorshSerialize, borsh::BorshDeserialize, PartialEq)]
pub struct Buy {
pub params: SwapParams,
}
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct BuyInstructionAccounts {
pub pool: solana_pubkey::Pubkey,
pub user: solana_pubkey::Pubkey,
pub owner: solana_pubkey::Pubkey,
pub mint_a: solana_pubkey::Pubkey,
pub mint_b: solana_pubkey::Pubkey,
pub user_ta_a: solana_pubkey::Pubkey,
pub user_ta_b: solana_pubkey::Pubkey,
pub vault_a: solana_pubkey::Pubkey,
pub vault_b: solana_pubkey::Pubkey,
pub token_program_a: solana_pubkey::Pubkey,
pub token_program_b: solana_pubkey::Pubkey,
pub system_program: solana_pubkey::Pubkey,
pub program: solana_pubkey::Pubkey,
pub remaining: Vec<solana_instruction::AccountMeta>,
}
impl Buy {
pub fn decode(data: &[u8]) -> Option<Self> {
if data.len() < 8 {
return None;
}
let discriminator = &data[0..8];
if discriminator != [102, 6, 61, 18, 1, 218, 235, 234] {
return None;
}
let mut data_slice = data;
data_slice = &data_slice[8..];
borsh::BorshDeserialize::deserialize(&mut data_slice).ok()
}
}
impl ArrangeAccounts for Buy {
type ArrangedAccounts = BuyInstructionAccounts;
fn arrange_accounts(
accounts: &[solana_instruction::AccountMeta],
) -> Option<Self::ArrangedAccounts> {
let mut iter = accounts.iter();
let pool = next_account(&mut iter)?;
let user = next_account(&mut iter)?;
let owner = next_account(&mut iter)?;
let mint_a = next_account(&mut iter)?;
let mint_b = next_account(&mut iter)?;
let user_ta_a = next_account(&mut iter)?;
let user_ta_b = next_account(&mut iter)?;
let vault_a = next_account(&mut iter)?;
let vault_b = next_account(&mut iter)?;
let token_program_a = next_account(&mut iter)?;
let token_program_b = next_account(&mut iter)?;
let system_program = next_account(&mut iter)?;
let program = next_account(&mut iter)?;
let remaining = iter.as_slice();
Some(BuyInstructionAccounts {
pool,
user,
owner,
mint_a,
mint_b,
user_ta_a,
user_ta_b,
vault_a,
vault_b,
token_program_a,
token_program_b,
system_program,
program,
remaining: remaining.to_vec(),
})
}
}