carbon-openbook-v2-decoder 2.0.0

Openbook V2 Decoder
Documentation 
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//! This code was AUTOGENERATED using the Codama library.
use {
    crate::types::PlaceTakeOrderArgs,
    carbon_core::{account_utils::next_account, deserialize::ArrangeAccounts},
};
/// Place an order that shall take existing liquidity off of the book, not
/// add a new order off the book.
/// This type of order allows for instant token settlement for the taker.
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(Debug, Clone, borsh::BorshSerialize, borsh::BorshDeserialize, PartialEq)]
pub struct PlaceTakeOrder {
    pub args: PlaceTakeOrderArgs,
}

#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct PlaceTakeOrderInstructionAccounts {
    pub signer: solana_pubkey::Pubkey,
    pub penalty_payer: solana_pubkey::Pubkey,
    pub market: solana_pubkey::Pubkey,
    pub market_authority: solana_pubkey::Pubkey,
    pub bids: solana_pubkey::Pubkey,
    pub asks: solana_pubkey::Pubkey,
    pub market_base_vault: solana_pubkey::Pubkey,
    pub market_quote_vault: solana_pubkey::Pubkey,
    pub event_heap: solana_pubkey::Pubkey,
    pub user_base_account: solana_pubkey::Pubkey,
    pub user_quote_account: solana_pubkey::Pubkey,
    pub oracle_a: Option<solana_pubkey::Pubkey>,
    pub oracle_b: Option<solana_pubkey::Pubkey>,
    pub token_program: solana_pubkey::Pubkey,
    pub system_program: solana_pubkey::Pubkey,
    pub open_orders_admin: Option<solana_pubkey::Pubkey>,
    pub remaining: Vec<solana_instruction::AccountMeta>,
}

impl PlaceTakeOrder {
    pub fn decode(data: &[u8]) -> Option<Self> {
        if data.len() < 8 {
            return None;
        }
        let discriminator = &data[0..8];
        if discriminator != [3, 44, 71, 3, 26, 199, 203, 85] {
            return None;
        }

        let mut data_slice = data;

        data_slice = &data_slice[8..];

        borsh::BorshDeserialize::deserialize(&mut data_slice).ok()
    }
}

impl ArrangeAccounts for PlaceTakeOrder {
    type ArrangedAccounts = PlaceTakeOrderInstructionAccounts;

    fn arrange_accounts(
        accounts: &[solana_instruction::AccountMeta],
    ) -> Option<Self::ArrangedAccounts> {
        let mut iter = accounts.iter();

        let signer = next_account(&mut iter)?;
        let penalty_payer = next_account(&mut iter)?;
        let market = next_account(&mut iter)?;
        let market_authority = next_account(&mut iter)?;
        let bids = next_account(&mut iter)?;
        let asks = next_account(&mut iter)?;
        let market_base_vault = next_account(&mut iter)?;
        let market_quote_vault = next_account(&mut iter)?;
        let event_heap = next_account(&mut iter)?;
        let user_base_account = next_account(&mut iter)?;
        let user_quote_account = next_account(&mut iter)?;
        let oracle_a = next_account(&mut iter);
        let oracle_b = next_account(&mut iter);
        let token_program = next_account(&mut iter)?;
        let system_program = next_account(&mut iter)?;
        let open_orders_admin = next_account(&mut iter);

        let remaining = iter.as_slice();

        Some(PlaceTakeOrderInstructionAccounts {
            signer,
            penalty_payer,
            market,
            market_authority,
            bids,
            asks,
            market_base_vault,
            market_quote_vault,
            event_heap,
            user_base_account,
            user_quote_account,
            oracle_a,
            oracle_b,
            token_program,
            system_program,
            open_orders_admin,
            remaining: remaining.to_vec(),
        })
    }
}