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

#![doc = include_str!("../README.md")]

use solana_program::{
    account_info::AccountInfo, entrypoint::ProgramResult, instruction::Instruction,
};

mod instruction_stabilizer;

pub fn invoke(instruction: &Instruction, account_infos: &[AccountInfo]) -> ProgramResult {
    invoke_signed(instruction, account_infos, &[])
}

pub fn invoke_unchecked(instruction: &Instruction, account_infos: &[AccountInfo]) -> ProgramResult {
    invoke_signed_unchecked(instruction, account_infos, &[])
}

pub fn invoke_signed(
    instruction: &Instruction,
    account_infos: &[AccountInfo],
    signers_seeds: &[&[&[u8]]],
) -> ProgramResult {
    // Check that the account RefCells are consistent with the request
    for account_meta in instruction.accounts.iter() {
        for account_info in account_infos.iter() {
            if account_meta.pubkey == *account_info.key {
                if account_meta.is_writable {
                    let _ = account_info.try_borrow_mut_lamports()?;
                    let _ = account_info.try_borrow_mut_data()?;
                } else {
                    let _ = account_info.try_borrow_lamports()?;
                    let _ = account_info.try_borrow_data()?;
                }
                break;
            }
        }
    }

    invoke_signed_unchecked(instruction, account_infos, signers_seeds)
}

pub fn invoke_signed_unchecked(
    instruction: &Instruction,
    account_infos: &[AccountInfo],
    signers_seeds: &[&[&[u8]]],
) -> ProgramResult {
    #[cfg(target_os = "solana")]
    {
        use instruction_stabilizer::InstructionStabilizer;
        let stabilizer = InstructionStabilizer::stabilize(instruction);
        let instruction_addr = stabilizer.instruction_addr();

        let result = unsafe {
            solana_program::syscalls::sol_invoke_signed_rust(
                instruction_addr,
                account_infos as *const _ as *const u8,
                account_infos.len() as u64,
                signers_seeds as *const _ as *const u8,
                signers_seeds.len() as u64,
            )
        };
        match result {
            solana_program::entrypoint::SUCCESS => Ok(()),
            _ => Err(result.into()),
        }
    }

    #[cfg(not(target_os = "solana"))]
    {
        core::hint::black_box((instruction, account_infos, signers_seeds));
        panic!("not supported when target_os != solana");
    }
}