carbon-drift-v2-decoder 2.0.0

Drift v2 Decoder
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62

//! This code was AUTOGENERATED using the Codama library.
use {
    crate::types::{MarketType, PositionDirection},
    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 CancelOrders {
    pub market_type: Option<MarketType>,
    pub market_index: Option<u16>,
    pub direction: Option<PositionDirection>,
}

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

impl CancelOrders {
    pub fn decode(data: &[u8]) -> Option<Self> {
        if data.len() < 8 {
            return None;
        }
        let discriminator = &data[0..8];
        if discriminator != [238, 225, 95, 158, 227, 103, 8, 194] {
            return None;
        }

        let mut data_slice = data;

        data_slice = &data_slice[8..];

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

impl ArrangeAccounts for CancelOrders {
    type ArrangedAccounts = CancelOrdersInstructionAccounts;

    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 authority = next_account(&mut iter)?;

        let remaining = iter.as_slice();

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