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streak_api/
sdk.rs

1//! Off-chain instruction builders. Fixed account order mirrors on-chain `process_*` comments.
2
3use solana_program::pubkey::Pubkey;
4use spl_associated_token_account::{
5    get_associated_token_address, get_associated_token_address_with_program_id,
6};
7use steel::*;
8
9use crate::{
10    consts::{EXECUTOR_ADDRESS, FEE_COLLECTOR, USDC_MAINNET_MINT},
11    instruction::{AdminPayout, AdminRouteFees, BuyTicket, Initialize},
12    state::{Treasury, User},
13};
14
15#[inline(always)]
16pub fn program_id() -> Pubkey {
17    crate::ID
18}
19
20// ── ATA helpers ──────────────────────────────────────────────────────────────
21
22pub fn treasury_usdc_ata() -> Pubkey {
23    get_associated_token_address(&Treasury::pda().0, &USDC_MAINNET_MINT)
24}
25
26pub fn treasury_usdc_ata_with_token_program(token_program: &Pubkey) -> Pubkey {
27    get_associated_token_address_with_program_id(
28        &Treasury::pda().0,
29        &USDC_MAINNET_MINT,
30        token_program,
31    )
32}
33
34pub fn associated_usdc_ata(owner: Pubkey, token_program: &Pubkey) -> Pubkey {
35    get_associated_token_address_with_program_id(&owner, &USDC_MAINNET_MINT, token_program)
36}
37
38pub fn usdc_ata(owner: Pubkey) -> Pubkey {
39    get_associated_token_address(&owner, &USDC_MAINNET_MINT)
40}
41
42pub fn fee_collector_usdc_ata_with_token_program(token_program: &Pubkey) -> Pubkey {
43    get_associated_token_address_with_program_id(&FEE_COLLECTOR, &USDC_MAINNET_MINT, token_program)
44}
45
46// ── Instruction builders ─────────────────────────────────────────────────────
47
48/// One-time treasury initialization.
49pub fn initialize(payer: Pubkey, token_program: Pubkey) -> Instruction {
50    let treasury_address = Treasury::pda().0;
51    let treasury_ata = treasury_usdc_ata_with_token_program(&token_program);
52    Instruction {
53        program_id: crate::ID,
54        accounts: vec![
55            AccountMeta::new(payer, true),
56            AccountMeta::new(treasury_address, false),
57            AccountMeta::new_readonly(USDC_MAINNET_MINT, false),
58            AccountMeta::new(treasury_ata, false),
59            AccountMeta::new_readonly(system_program::ID, false),
60            AccountMeta::new_readonly(token_program, false),
61            AccountMeta::new_readonly(spl_associated_token_account::ID, false),
62        ],
63        data: Initialize {}.to_bytes(),
64    }
65}
66
67/// Purchase gaming credits (tickets) with USDC.
68///
69/// `user` pays `amount` µUSDC; the program splits it on-chain (70/15/10/5),
70/// updates the treasury counters, and creates/updates the user's `UserCredits` PDA.
71/// The indexer credits the user's spendable balance from the `TicketPurchased` event.
72/// Bets are placed separately off-chain via the server.
73pub fn buy_ticket(user: Pubkey, amount: u64, token_program: Pubkey) -> Instruction {
74    let user_ata = associated_usdc_ata(user, &token_program);
75    let treasury_address = Treasury::pda().0;
76    let treasury_ata = treasury_usdc_ata_with_token_program(&token_program);
77    let fee_collector_ata = fee_collector_usdc_ata_with_token_program(&token_program);
78    let credits = User::pda(&user).0;
79    Instruction {
80        program_id: crate::ID,
81        accounts: vec![
82            AccountMeta::new(user, true),
83            AccountMeta::new(user_ata, false),
84            AccountMeta::new(treasury_address, false),
85            AccountMeta::new(treasury_ata, false),
86            AccountMeta::new(credits, false),
87            AccountMeta::new(fee_collector_ata, false),
88            AccountMeta::new_readonly(USDC_MAINNET_MINT, false),
89            AccountMeta::new_readonly(token_program, false),
90            AccountMeta::new_readonly(system_program::ID, false),
91        ],
92        data: BuyTicket {
93            amount: amount.to_le_bytes(),
94        }
95        .to_bytes(),
96    }
97}
98
99/// Route `amount` µUSDC of claimed DBC / DAMM v2 fees into the treasury.
100pub fn route_fees(executor: Pubkey, amount: u64, token_program: Pubkey) -> Instruction {
101    let treasury_address = Treasury::pda().0;
102    let treasury_ata = treasury_usdc_ata_with_token_program(&token_program);
103    let executor_ata = associated_usdc_ata(executor, &token_program);
104    let fee_collector_ata = fee_collector_usdc_ata_with_token_program(&token_program);
105    Instruction {
106        program_id: crate::ID,
107        accounts: vec![
108            AccountMeta::new(executor, true),
109            AccountMeta::new(executor_ata, false),
110            AccountMeta::new(treasury_address, false),
111            AccountMeta::new(treasury_ata, false),
112            AccountMeta::new(fee_collector_ata, false),
113            AccountMeta::new_readonly(USDC_MAINNET_MINT, false),
114            AccountMeta::new_readonly(token_program, false),
115        ],
116        data: AdminRouteFees {
117            amount: amount.to_le_bytes(),
118        }
119        .to_bytes(),
120    }
121}
122
123/// Convenience: `route_fees` signed by the canonical `EXECUTOR_ADDRESS`.
124pub fn route_fees_default_executor(amount: u64, token_program: Pubkey) -> Instruction {
125    route_fees(EXECUTOR_ADDRESS, amount, token_program)
126}
127
128/// Pay `amount` µUSDC from the treasury to `recipient_ata`.
129pub fn payout(
130    executor: Pubkey,
131    recipient_ata: Pubkey,
132    amount: u64,
133    series_id: u16,
134    period: u64,
135    token_program: Pubkey,
136) -> Instruction {
137    let treasury_address = Treasury::pda().0;
138    let treasury_ata = treasury_usdc_ata_with_token_program(&token_program);
139    Instruction {
140        program_id: crate::ID,
141        accounts: vec![
142            AccountMeta::new(executor, true),
143            AccountMeta::new(treasury_address, false),
144            AccountMeta::new(treasury_ata, false),
145            AccountMeta::new(recipient_ata, false),
146            AccountMeta::new_readonly(USDC_MAINNET_MINT, false),
147            AccountMeta::new_readonly(token_program, false),
148        ],
149        data: AdminPayout {
150            amount: amount.to_le_bytes(),
151            series_id: series_id.to_le_bytes(),
152            _pad_ix: [0; 6],
153            period: period.to_le_bytes(),
154        }
155        .to_bytes(),
156    }
157}