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

use crate::prelude::*;

#[derive(Accounts)]
#[instruction(params:FunctionRoutineInitParams)]
pub struct FunctionRoutineInit<'info> {
    #[account(
        mut,
        signer,
        owner = system_program.key(),
        constraint = function.data_len() == 0 && function.lamports() == 0,
    )]
    pub routine: AccountInfo<'info>,

    /// CHECK:
    pub authority: AccountInfo<'info>,

    #[account(mut)]
    pub function: AccountInfo<'info>,

    #[account(signer)]
    pub function_authority: Option<AccountInfo<'info>>,

    /// CHECK: handle this manually because the PDA seed can vary
    #[account(mut)]
    pub escrow_wallet: AccountInfo<'info>,

    #[account(signer)]
    pub escrow_wallet_authority: Option<AccountInfo<'info>>,

    /// CHECK: handle this manually because the PDA seed can vary
    #[account(mut)]
    pub escrow_token_wallet: AccountInfo<'info>,

    #[account(address = anchor_spl::token::spl_token::native_mint::ID)]
    pub mint: AccountInfo<'info>,

    pub attestation_queue: AccountInfo<'info>,

    #[account(mut, signer)]
    pub payer: AccountInfo<'info>,

    #[account(address = solana_program::system_program::ID)]
    pub system_program: AccountInfo<'info>,
    #[account(address = anchor_spl::token::ID)]
    pub token_program: AccountInfo<'info>,
    #[account(address = anchor_spl::associated_token::ID)]
    pub associated_token_program: AccountInfo<'info>,
}

#[derive(Clone, AnchorSerialize, AnchorDeserialize)]
pub struct FunctionRoutineInitParams {
    // Metadata
    pub name: Option<Vec<u8>>,
    pub metadata: Option<Vec<u8>>,

    // Fees
    pub bounty: Option<u64>,

    // Execution
    pub schedule: Vec<u8>,
    pub max_container_params_len: Option<u32>,
    pub container_params: Vec<u8>,
}

impl InstructionData for FunctionRoutineInitParams {}

impl Discriminator for FunctionRoutineInitParams {
    const DISCRIMINATOR: [u8; 8] = [70, 25, 243, 23, 253, 78, 27, 169];
}

impl Discriminator for FunctionRoutineInit<'_> {
    const DISCRIMINATOR: [u8; 8] = [70, 25, 243, 23, 253, 78, 27, 169];
}

impl<'info> FunctionRoutineInit<'info> {
    pub fn get_instruction(
        &self,
        program_id: Pubkey,
        params: &FunctionRoutineInitParams,
    ) -> anchor_lang::Result<Instruction> {
        let accounts = self.to_account_metas(None);

        let mut data: Vec<u8> = FunctionRoutineInit::discriminator().try_to_vec()?;
        data.append(&mut params.try_to_vec()?);

        let instruction = Instruction::new_with_bytes(program_id, &data, accounts);
        Ok(instruction)
    }

    pub fn invoke(
        &self,
        program: AccountInfo<'info>,
        params: &FunctionRoutineInitParams,
    ) -> ProgramResult {
        let instruction = self.get_instruction(*program.key, params)?;
        let account_infos = self.to_account_infos();

        invoke(&instruction, &account_infos[..])
    }

    pub fn invoke_signed(
        &self,
        program: AccountInfo<'info>,
        params: &FunctionRoutineInitParams,
        signer_seeds: &[&[&[u8]]],
    ) -> ProgramResult {
        let instruction = self.get_instruction(*program.key, params)?;
        let account_infos = self.to_account_infos();

        invoke_signed(&instruction, &account_infos[..], signer_seeds)
    }

    fn to_account_infos(&self) -> Vec<AccountInfo<'info>> {
        let mut account_infos = Vec::new();
        account_infos.extend(self.routine.to_account_infos());
        account_infos.extend(self.authority.to_account_infos());
        account_infos.extend(self.function.to_account_infos());
        account_infos.extend(self.function_authority.to_account_infos());
        account_infos.extend(self.escrow_wallet.to_account_infos());
        account_infos.extend(self.escrow_wallet_authority.to_account_infos());
        account_infos.extend(self.escrow_token_wallet.to_account_infos());
        account_infos.extend(self.mint.to_account_infos());
        account_infos.extend(self.attestation_queue.to_account_infos());
        account_infos.extend(self.payer.to_account_infos());
        account_infos.extend(self.system_program.to_account_infos());
        account_infos.extend(self.token_program.to_account_infos());
        account_infos.extend(self.associated_token_program.to_account_infos());
        account_infos
    }

    #[allow(unused_variables)]
    fn to_account_metas(&self, is_signer: Option<bool>) -> Vec<AccountMeta> {
        let mut account_metas = Vec::new();
        account_metas.extend(self.routine.to_account_metas(None));
        account_metas.extend(self.authority.to_account_metas(None));
        account_metas.extend(self.function.to_account_metas(None));
        if let Some(function_authority) = &self.function_authority {
            account_metas.extend(function_authority.to_account_metas(None));
        } else {
            account_metas.push(AccountMeta::new_readonly(
                SWITCHBOARD_ATTESTATION_PROGRAM_ID,
                false,
            ));
        }
        account_metas.extend(self.escrow_wallet.to_account_metas(None));
        if let Some(escrow_wallet_authority) = &self.escrow_wallet_authority {
            account_metas.extend(escrow_wallet_authority.to_account_metas(None));
        } else {
            account_metas.push(AccountMeta::new_readonly(
                SWITCHBOARD_ATTESTATION_PROGRAM_ID,
                false,
            ));
        }
        account_metas.extend(self.escrow_token_wallet.to_account_metas(None));
        account_metas.extend(self.mint.to_account_metas(None));
        account_metas.extend(self.attestation_queue.to_account_metas(None));
        account_metas.extend(self.payer.to_account_metas(None));
        account_metas.extend(self.system_program.to_account_metas(None));
        account_metas.extend(self.token_program.to_account_metas(None));
        account_metas.extend(self.associated_token_program.to_account_metas(None));

        account_metas
    }
}