carbon-openbook-v2-decoder 2.0.0

Openbook 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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

//! This code was AUTOGENERATED using the Codama library.

pub use super::super::events;
use carbon_core::{borsh, deserialize::ArrangeAccounts};

#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(
    Debug,
    Clone,
    carbon_core::borsh::BorshSerialize,
    carbon_core::borsh::BorshDeserialize,
    PartialEq,
)]
pub enum CpiEvent {
    DepositLog(events::deposit_log::DepositLogEvent),
    FillLog(events::fill_log::FillLogEvent),
    MarketMetaDataLog(events::market_meta_data_log::MarketMetaDataLogEvent),
    TotalOrderFillEvent(events::total_order_fill_event::TotalOrderFillEventEvent),
    SetDelegateLog(events::set_delegate_log::SetDelegateLogEvent),
    SettleFundsLog(events::settle_funds_log::SettleFundsLogEvent),
    SweepFeesLog(events::sweep_fees_log::SweepFeesLogEvent),
    OpenOrdersPositionLog(events::open_orders_position_log::OpenOrdersPositionLogEvent),
}

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

impl CpiEvent {
    pub fn decode(data: &[u8]) -> Option<Self> {
        if data.len() < 8 {
            return None;
        }
        let discriminator = &data[0..8];
        if discriminator != [228, 69, 165, 46, 81, 203, 154, 29] {
            return None;
        }

        let event_data = data;

        if let Some(decoded) = events::deposit_log::DepositLogEvent::decode(event_data) {
            return Some(CpiEvent::DepositLog(decoded));
        }
        if let Some(decoded) = events::fill_log::FillLogEvent::decode(event_data) {
            return Some(CpiEvent::FillLog(decoded));
        }
        if let Some(decoded) =
            events::market_meta_data_log::MarketMetaDataLogEvent::decode(event_data)
        {
            return Some(CpiEvent::MarketMetaDataLog(decoded));
        }
        if let Some(decoded) =
            events::total_order_fill_event::TotalOrderFillEventEvent::decode(event_data)
        {
            return Some(CpiEvent::TotalOrderFillEvent(decoded));
        }
        if let Some(decoded) = events::set_delegate_log::SetDelegateLogEvent::decode(event_data) {
            return Some(CpiEvent::SetDelegateLog(decoded));
        }
        if let Some(decoded) = events::settle_funds_log::SettleFundsLogEvent::decode(event_data) {
            return Some(CpiEvent::SettleFundsLog(decoded));
        }
        if let Some(decoded) = events::sweep_fees_log::SweepFeesLogEvent::decode(event_data) {
            return Some(CpiEvent::SweepFeesLog(decoded));
        }
        if let Some(decoded) =
            events::open_orders_position_log::OpenOrdersPositionLogEvent::decode(event_data)
        {
            return Some(CpiEvent::OpenOrdersPositionLog(decoded));
        }
        None
    }
}

impl ArrangeAccounts for CpiEvent {
    type ArrangedAccounts = CpiEventInstructionAccounts;

    fn arrange_accounts(
        accounts: &[solana_instruction::AccountMeta],
    ) -> Option<Self::ArrangedAccounts> {
        match accounts {
            [program, event_authority, remaining @ ..] => Some(CpiEventInstructionAccounts {
                program: program.pubkey,
                event_authority: event_authority.pubkey,
                remaining: remaining.to_vec(),
            }),
            [event_authority] => Some(CpiEventInstructionAccounts {
                program: crate::PROGRAM_ID,
                event_authority: event_authority.pubkey,
                remaining: Vec::new(),
            }),
            _ => None,
        }
    }
}