devol-accounts-kit 0.3.4

SDK for interacting with the DeVol Network option trading platform on the Solana blockchain
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216

use crate::accounts::client::client_account::client_pool_basket::{BasketData, CLIENT_POOL_MAX_BASKET_LENGTH};
use crate::constants::{BOUNDS_COUNT, BUCKETS_COUNT, VANILLA_COST_SIZE};


pub const CLIENT_POOL_ID_OFFSET: usize = 0;
pub const CLIENT_POOL_WORKER_ID_OFFSET: usize = 4;
pub const CLIENT_POOL_INSTR_ID_OFFSET: usize = 8;
pub const CLIENT_POOL_START_OFFSET: usize = 12;
pub const CLIENT_POOL_EXPIRATION_OFFSET: usize = 20;
pub const CLIENT_POOL_FRACTIONS_OFFSET: usize = 28;
pub const CLIENT_POOL_COUNTER_OFFSET: usize = 32;
pub const CLIENT_POOL_ORIG_COUNTER_OFFSET: usize = 40;
pub const CLIENT_POOL_TIME_OFFSET: usize = 48;
pub const CLIENT_POOL_DEPO_OFFSET: usize = 56;
pub const CLIENT_POOL_COST_OFFSET: usize = 816;
pub const CLIENT_POOL_RESULT_OFFSET: usize = 1576;
pub const CLIENT_POOL_CALLS_OFFSET: usize = 2336;
pub const CLIENT_POOL_CALLS_COST_OFFSET: usize = 2716;
pub const CLIENT_POOL_CALLS_RESULT_OFFSET: usize = 3476;
pub const CLIENT_POOL_PUTS_OFFSET: usize = 4236;
pub const CLIENT_POOL_PUTS_COST_OFFSET: usize = 4616;
pub const CLIENT_POOL_PUTS_RESULT_OFFSET: usize = 5376;
pub const CLIENT_POOL_LAST_COST_OFFSET: usize = 6136;
pub const CLIENT_POOL_LAST_FEES_OFFSET: usize = 6144;
pub const CLIENT_POOL_LAST_TRADE_OFFSET: usize = 6152;
pub const CLIENT_POOL_VANILLA_MEMO_OFFSET: usize = 6532;
pub const CLIENT_POOL_VANILLA_COST_OFFSET: usize = 6581;
pub const CLIENT_POOL_LAST_PX_OFFSET: usize = 6613;
pub const CLIENT_POOL_STRIKES_OFFSET: usize = 7373;
pub const CLIENT_POOL_BOUNDS_OFFSET: usize = 8133;
pub const CLIENT_POOL_SIZE: usize = 8885;

#[derive(Copy, Clone, PartialEq, Debug)]
#[repr(C)]
pub struct ClientPool {
    pub id: u32,                                // 4 bytes, CLIENT_POOL_ID_OFFSET
    pub worker_id: u32,                         // 4 bytes, CLIENT_POOL_WORKER_ID_OFFSET
    pub instr_id: u32,                          // 4 bytes, CLIENT_POOL_INSTR_ID_OFFSET
    start: [u8; 8],                             // 8 bytes, CLIENT_POOL_START_OFFSET
    expiration: [u8; 8],                        // 8 bytes, CLIENT_POOL_EXPIRATION_OFFSET
    pub fractions: u32,                         // 4 bytes, CLIENT_POOL_FRACTIONS_OFFSET
    pub counter: i64,                           // 8 bytes, CLIENT_POOL_COUNTER_OFFSET
    pub orig_counter: i64,                      // 8 bytes, CLIENT_POOL_ORIG_COUNTER_OFFSET
    pub time: i64,                              // 8 bytes, CLIENT_POOL_TIME_OFFSET
    pub depo: [i64; BUCKETS_COUNT],             // 760 bytes, CLIENT_POOL_DEPO_OFFSET
    pub cost: [i64; BUCKETS_COUNT],             // 760 bytes, CLIENT_POOL_COST_OFFSET
    pub result: [i64; BUCKETS_COUNT],           // 760 bytes, CLIENT_POOL_RESULT_OFFSET
    pub calls: [u32; BUCKETS_COUNT],            // 380 bytes, CLIENT_POOL_CALLS_OFFSET
    calls_cost: [u8; 8*BUCKETS_COUNT],          // 760 bytes, CLIENT_POOL_CALLS_COST_OFFSET
    calls_result: [u8; 8*BUCKETS_COUNT],        // 760 bytes, CLIENT_POOL_CALLS_RESULT_OFFSET
    pub puts: [u32; BUCKETS_COUNT],             // 380 bytes, CLIENT_POOL_PUTS_OFFSET
    pub puts_cost: [i64; BUCKETS_COUNT],        // 760 bytes, CLIENT_POOL_PUTS_COST_OFFSET
    pub puts_result: [i64; BUCKETS_COUNT],      // 760 bytes, CLIENT_POOL_PUTS_RESULT_OFFSET
    pub last_cost: i64,                         // 8 bytes, CLIENT_POOL_LAST_COST_OFFSET
    pub last_fees: i64,                         // 8 bytes, CLIENT_POOL_LAST_FEES_OFFSET
    pub last_trade_quantity: [i32; BUCKETS_COUNT],       // 380 bytes, CLIENT_POOL_LAST_TRADE_OFFSET
    pub basket_length_memo: u8,                 // 1 byte, CLIENT_POOL_VANILLA_MEMO_OFFSET
    pub basket_memo: [BasketData; CLIENT_POOL_MAX_BASKET_LENGTH], // 48 bytes
    vanilla_cost: [u8; 8*VANILLA_COST_SIZE],    // 32 bytes, CLIENT_POOL_VANILLA_COST_OFFSET
    last_px: [u8; 8*BUCKETS_COUNT],             // 760 bytes, CLIENT_POOL_LAST_PX_OFFSET
    strikes: [u8; 8*BUCKETS_COUNT],             // 760 bytes, CLIENT_POOL_STRIKES_OFFSET
    bounds: [u8; 8*BOUNDS_COUNT],               // 752 bytes, CLIENT_POOL_BOUNDS_OFFSET
}

impl ClientPool {
    #[inline(always)]
    pub fn get_start(&self) -> i64 { i64::from_ne_bytes(self.start) }

    #[inline(always)]
    pub fn set_start(&mut self, value: i64) { self.start = value.to_ne_bytes() }

    #[inline(always)]
    pub fn get_expiration(&self) -> i64 { i64::from_ne_bytes(self.expiration) }

    #[inline(always)]
    pub fn set_expiration(&mut self, value: i64) { self.expiration = value.to_ne_bytes() }

    #[inline(always)]
    pub fn get_calls_cost(&self, index: usize) -> i64 {
        i64::from_ne_bytes(unsafe { *(self.calls_cost[8 * index..].as_ptr() as *const [u8; 8]) })
    }

    #[inline(always)]
    pub fn set_calls_cost(&mut self, index: usize, value: i64) {
        unsafe { *(self.calls_cost.as_mut_ptr().add(8 * index) as *mut [u8; 8]) = value.to_ne_bytes(); }
    }

    #[inline(always)]
    pub fn get_calls_result(&self, index: usize) -> i64 {
        unsafe { i64::from_ne_bytes(*(self.calls_result.as_ptr().add(8 * index) as *const [u8; 8])) }
    }

    #[inline(always)]
    pub fn set_calls_result(&mut self, index: usize, value: i64) {
        unsafe { *(self.calls_result.as_mut_ptr().add(8 * index) as *mut [u8; 8]) = value.to_ne_bytes(); }
    }

    #[inline(always)]
    pub fn get_vanilla_cost(&self, index: usize) -> i64 {
        unsafe { i64::from_ne_bytes(*(self.vanilla_cost.as_ptr().add(8 * index) as *const [u8; 8])) }
    }

    #[inline(always)]
    pub fn set_vanilla_cost(&mut self, index: usize, value: i64) {
        unsafe { *(self.vanilla_cost.as_mut_ptr().add(8 * index) as *mut [u8; 8]) = value.to_ne_bytes(); }
    }

    #[inline(always)]
    pub fn get_last_px(&self, index: usize) -> i64 {
        unsafe { i64::from_ne_bytes(*(self.last_px.as_ptr().add(8 * index) as *const [u8; 8])) }
    }

    #[inline(always)]
    pub fn set_last_px(&mut self, index: usize, value: i64) {
        unsafe { *(self.last_px.as_mut_ptr().add(8 * index) as *mut [u8; 8]) = value.to_ne_bytes(); }
    }

    #[inline(always)]
    pub fn get_strikes(&self, index: usize) -> i64 {
        unsafe { i64::from_ne_bytes(*(self.strikes.as_ptr().add(8 * index) as *const [u8; 8])) }
    }

    #[inline(always)]
    pub fn set_strikes(&mut self, index: usize, value: i64) {
        unsafe { *(self.strikes.as_mut_ptr().add(8 * index) as *mut [u8; 8]) = value.to_ne_bytes(); }
    }

    #[inline(always)]
    pub fn get_bounds(&self, index: usize) -> i64 {
        unsafe { i64::from_ne_bytes(*(self.bounds.as_ptr().add(8 * index) as *const [u8; 8])) }
    }

    #[inline(always)]
    pub fn set_bounds(&mut self, index: usize, value: i64) {
        unsafe { *(self.bounds.as_mut_ptr().add(8 * index) as *mut [u8; 8]) = value.to_ne_bytes(); }
    }

}

impl Default for ClientPool {
    fn default() -> Self {
        Self {
            id: 0,
            worker_id: 0,
            instr_id: 0,
            start: [0; 8],
            expiration: [0; 8],
            fractions: 0,
            counter: 0,
            orig_counter: 0,
            time: 0,
            depo: [0; BUCKETS_COUNT],
            cost: [0; BUCKETS_COUNT],
            result: [0; BUCKETS_COUNT],
            calls: [0; BUCKETS_COUNT],
            calls_cost: [0; 8 * BUCKETS_COUNT],
            calls_result: [0; 8 * BUCKETS_COUNT],
            puts: [0; BUCKETS_COUNT],
            puts_cost: [0; BUCKETS_COUNT],
            puts_result: [0; BUCKETS_COUNT],
            last_cost: 0,
            last_fees: 0,
            last_trade_quantity: [0; BUCKETS_COUNT],
            basket_length_memo: 0,
            basket_memo: [BasketData::default(); CLIENT_POOL_MAX_BASKET_LENGTH],
            vanilla_cost: [0; 8 * VANILLA_COST_SIZE],
            last_px: [0; 8 * BUCKETS_COUNT],
            strikes: [0; 8 * BUCKETS_COUNT],
            bounds: [0; 8 * BOUNDS_COUNT],
        }
    }
}

#[cfg(test)]
mod tests {
    use std::mem;
    use crate::utils::type_size_helper::align_size;
    use super::*;

    #[test]
    fn test_client_pool_offsets() {
        let account = ClientPool::default();

        let base_ptr = &account as *const _ as usize;

        assert_eq!(&account.id as *const _ as usize - base_ptr, CLIENT_POOL_ID_OFFSET);
        assert_eq!(&account.worker_id as *const _ as usize - base_ptr, CLIENT_POOL_WORKER_ID_OFFSET);
        assert_eq!(&account.instr_id as *const _ as usize - base_ptr, CLIENT_POOL_INSTR_ID_OFFSET);
        assert_eq!(&account.start as *const _ as usize - base_ptr, CLIENT_POOL_START_OFFSET);
        assert_eq!(&account.expiration as *const _ as usize - base_ptr, CLIENT_POOL_EXPIRATION_OFFSET);
        assert_eq!(&account.fractions as *const _ as usize - base_ptr, CLIENT_POOL_FRACTIONS_OFFSET);
        assert_eq!(&account.counter as *const _ as usize - base_ptr, CLIENT_POOL_COUNTER_OFFSET);
        assert_eq!(&account.orig_counter as *const _ as usize - base_ptr, CLIENT_POOL_ORIG_COUNTER_OFFSET);
        assert_eq!(&account.time as *const _ as usize - base_ptr, CLIENT_POOL_TIME_OFFSET);
        assert_eq!(&account.depo as *const _ as usize - base_ptr, CLIENT_POOL_DEPO_OFFSET);
        assert_eq!(&account.cost as *const _ as usize - base_ptr, CLIENT_POOL_COST_OFFSET);
        assert_eq!(&account.result as *const _ as usize - base_ptr, CLIENT_POOL_RESULT_OFFSET);
        assert_eq!(&account.calls as *const _ as usize - base_ptr, CLIENT_POOL_CALLS_OFFSET);
        assert_eq!(&account.calls_cost as *const _ as usize - base_ptr, CLIENT_POOL_CALLS_COST_OFFSET);
        assert_eq!(&account.calls_result as *const _ as usize - base_ptr, CLIENT_POOL_CALLS_RESULT_OFFSET);
        assert_eq!(&account.puts as *const _ as usize - base_ptr, CLIENT_POOL_PUTS_OFFSET);
        assert_eq!(&account.puts_cost as *const _ as usize - base_ptr, CLIENT_POOL_PUTS_COST_OFFSET);
        assert_eq!(&account.puts_result as *const _ as usize - base_ptr, CLIENT_POOL_PUTS_RESULT_OFFSET);
        assert_eq!(&account.last_cost as *const _ as usize - base_ptr, CLIENT_POOL_LAST_COST_OFFSET);
        assert_eq!(&account.last_fees as *const _ as usize - base_ptr, CLIENT_POOL_LAST_FEES_OFFSET);
        assert_eq!(&account.last_trade_quantity as *const _ as usize - base_ptr, CLIENT_POOL_LAST_TRADE_OFFSET);
        assert_eq!(&account.basket_length_memo as *const _ as usize - base_ptr, CLIENT_POOL_VANILLA_MEMO_OFFSET);
        assert_eq!(&account.basket_memo as *const _ as usize - base_ptr, CLIENT_POOL_VANILLA_MEMO_OFFSET + 1);
        assert_eq!(&account.vanilla_cost as *const _ as usize - base_ptr, CLIENT_POOL_VANILLA_COST_OFFSET);
        assert_eq!(&account.last_px as *const _ as usize - base_ptr, CLIENT_POOL_LAST_PX_OFFSET);
        assert_eq!(&account.strikes as *const _ as usize - base_ptr, CLIENT_POOL_STRIKES_OFFSET);
        assert_eq!(&account.bounds as *const _ as usize - base_ptr, CLIENT_POOL_BOUNDS_OFFSET);

        assert_eq!(mem::size_of::<ClientPool>(), align_size(CLIENT_POOL_SIZE, 8));
    }
}