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

use std::{collections::HashMap, convert::TryFrom};

use inflector::Inflector;
use serde_json::Value;
use thiserror::Error;

use solana_sdk::{instruction::InstructionError, pubkey::Pubkey, system_program, sysvar};

use crate::{
    parse_bpf_loader::parse_bpf_upgradeable_loader,
    parse_config::parse_config,
    parse_nonce::parse_nonce,
    parse_stake::parse_stake,
    parse_sysvar::parse_sysvar,
    parse_token::{parse_token, spl_token_id_v2_0},
    parse_vote::parse_vote,
};

lazy_static! {
    static ref BPF_UPGRADEABLE_LOADER_PROGRAM_ID: Pubkey = solana_sdk::bpf_loader_upgradeable::id();
    static ref CONFIG_PROGRAM_ID: Pubkey = solana_config_program::id();
    static ref STAKE_PROGRAM_ID: Pubkey = solana_stake_program::id();
    static ref SYSTEM_PROGRAM_ID: Pubkey = system_program::id();
    static ref SYSVAR_PROGRAM_ID: Pubkey = sysvar::id();
    static ref TOKEN_PROGRAM_ID: Pubkey = spl_token_id_v2_0();
    static ref VOTE_PROGRAM_ID: Pubkey = solana_vote_program::id();
    static ref VELAS_ACCOUNT_PROGRAM_ID: Pubkey = velas_account_program::id();
    pub static ref PARSABLE_PROGRAM_IDS: HashMap<Pubkey, ParsableAccount> = {
        let mut m = HashMap::new();
        m.insert(
            *BPF_UPGRADEABLE_LOADER_PROGRAM_ID,
            ParsableAccount::BpfUpgradeableLoader,
        );
        m.insert(*CONFIG_PROGRAM_ID, ParsableAccount::Config);
        m.insert(*SYSTEM_PROGRAM_ID, ParsableAccount::Nonce);
        m.insert(*TOKEN_PROGRAM_ID, ParsableAccount::SplToken);
        m.insert(*STAKE_PROGRAM_ID, ParsableAccount::Stake);
        m.insert(*SYSVAR_PROGRAM_ID, ParsableAccount::Sysvar);
        m.insert(*VOTE_PROGRAM_ID, ParsableAccount::Vote);
        m.insert(*VELAS_ACCOUNT_PROGRAM_ID, ParsableAccount::VelasAccount);
        m
    };
}

#[derive(Error, Debug)]
pub enum ParseAccountError {
    #[error("{0:?} account not parsable")]
    AccountNotParsable(ParsableAccount),

    #[error("Program not parsable")]
    ProgramNotParsable,

    #[error("Additional data required to parse: {0}")]
    AdditionalDataMissing(String),

    #[error("Instruction error")]
    InstructionError(#[from] InstructionError),

    #[error("Serde json error")]
    SerdeJsonError(#[from] serde_json::error::Error),
}

impl From<velas_account_program::ParseError> for ParseAccountError {
    fn from(err: velas_account_program::ParseError) -> Self {
        match err {
            velas_account_program::ParseError::AccountNotParsable => {
                Self::AccountNotParsable(ParsableAccount::VelasAccount)
            }
        }
    }
}

#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct ParsedAccount {
    pub program: String,
    pub parsed: Value,
    pub space: u64,
}

#[derive(Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub enum ParsableAccount {
    BpfUpgradeableLoader,
    Config,
    Nonce,
    SplToken,
    Stake,
    Sysvar,
    Vote,
    VelasAccount,
}

#[derive(Default)]
pub struct AccountAdditionalData {
    pub spl_token_decimals: Option<u8>,
}

pub fn parse_account_data(
    pubkey: &Pubkey,
    program_id: &Pubkey,
    data: &[u8],
    additional_data: Option<AccountAdditionalData>,
) -> Result<ParsedAccount, ParseAccountError> {
    let program_name = PARSABLE_PROGRAM_IDS
        .get(program_id)
        .ok_or(ParseAccountError::ProgramNotParsable)?;
    let additional_data = additional_data.unwrap_or_default();
    let parsed_json = match program_name {
        ParsableAccount::BpfUpgradeableLoader => {
            serde_json::to_value(parse_bpf_upgradeable_loader(data)?)?
        }
        ParsableAccount::Config => serde_json::to_value(parse_config(data, pubkey)?)?,
        ParsableAccount::Nonce => serde_json::to_value(parse_nonce(data)?)?,
        ParsableAccount::SplToken => {
            serde_json::to_value(parse_token(data, additional_data.spl_token_decimals)?)?
        }
        ParsableAccount::Stake => serde_json::to_value(parse_stake(data)?)?,
        ParsableAccount::Sysvar => serde_json::to_value(parse_sysvar(data, pubkey)?)?,
        ParsableAccount::Vote => serde_json::to_value(parse_vote(data)?)?,
        ParsableAccount::VelasAccount => {
            serde_json::to_value(velas_account_program::VelasAccountType::try_from(data)?)?
        }
    };
    Ok(ParsedAccount {
        program: format!("{:?}", program_name).to_kebab_case(),
        parsed: parsed_json,
        space: data.len() as u64,
    })
}

#[cfg(test)]
mod test {
    use super::*;
    use solana_sdk::nonce::{
        state::{Data, Versions},
        State,
    };
    use solana_vote_program::vote_state::{VoteState, VoteStateVersions};

    #[test]
    fn test_parse_account_data() {
        let account_pubkey = solana_sdk::pubkey::new_rand();
        let other_program = solana_sdk::pubkey::new_rand();
        let data = vec![0; 4];
        assert!(parse_account_data(&account_pubkey, &other_program, &data, None).is_err());

        let vote_state = VoteState::default();
        let mut vote_account_data: Vec<u8> = vec![0; VoteState::size_of()];
        let versioned = VoteStateVersions::new_current(vote_state);
        VoteState::serialize(&versioned, &mut vote_account_data).unwrap();
        let parsed = parse_account_data(
            &account_pubkey,
            &solana_vote_program::id(),
            &vote_account_data,
            None,
        )
        .unwrap();
        assert_eq!(parsed.program, "vote".to_string());
        assert_eq!(parsed.space, VoteState::size_of() as u64);

        let nonce_data = Versions::new_current(State::Initialized(Data::default()));
        let nonce_account_data = bincode::serialize(&nonce_data).unwrap();
        let parsed = parse_account_data(
            &account_pubkey,
            &system_program::id(),
            &nonce_account_data,
            None,
        )
        .unwrap();
        assert_eq!(parsed.program, "nonce".to_string());
        assert_eq!(parsed.space, State::size() as u64);
    }
}