carbon-drift-v2-decoder 2.0.0

Drift v2 Decoder
Documentation 
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//! This code was AUTOGENERATED using the Codama library.
use {
    crate::types::{OrderParams, SpotFulfillmentType},
    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 PlaceAndTakeSpotOrder {
    pub params: OrderParams,
    pub fulfillment_type: Option<SpotFulfillmentType>,
    pub maker_order_id: Option<u32>,
}

#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct PlaceAndTakeSpotOrderInstructionAccounts {
    pub state: solana_pubkey::Pubkey,
    pub user: solana_pubkey::Pubkey,
    pub user_stats: solana_pubkey::Pubkey,
    pub authority: solana_pubkey::Pubkey,
    pub remaining: Vec<solana_instruction::AccountMeta>,
}

impl PlaceAndTakeSpotOrder {
    pub fn decode(data: &[u8]) -> Option<Self> {
        if data.len() < 8 {
            return None;
        }
        let discriminator = &data[0..8];
        if discriminator != [191, 3, 138, 71, 114, 198, 202, 100] {
            return None;
        }

        let mut data_slice = data;

        data_slice = &data_slice[8..];

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

impl ArrangeAccounts for PlaceAndTakeSpotOrder {
    type ArrangedAccounts = PlaceAndTakeSpotOrderInstructionAccounts;

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

        let state = next_account(&mut iter)?;
        let user = next_account(&mut iter)?;
        let user_stats = next_account(&mut iter)?;
        let authority = next_account(&mut iter)?;

        let remaining = iter.as_slice();

        Some(PlaceAndTakeSpotOrderInstructionAccounts {
            state,
            user,
            user_stats,
            authority,
            remaining: remaining.to_vec(),
        })
    }
}