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

use crate::{
    parse_account_data::{ParsableAccount, ParseAccountError},
    validator_info,
};
use bincode::deserialize;
use serde_json::Value;
use solana_config_program::{get_config_data, ConfigKeys};
use solana_sdk::pubkey::Pubkey;
use solana_stake_program::config::Config as StakeConfig;

pub fn parse_config(data: &[u8], pubkey: &Pubkey) -> Result<ConfigAccountType, ParseAccountError> {
    let parsed_account = if pubkey == &solana_stake_program::config::id() {
        get_config_data(data)
            .ok()
            .and_then(|data| deserialize::<StakeConfig>(data).ok())
            .map(|config| ConfigAccountType::StakeConfig(config.into()))
    } else {
        deserialize::<ConfigKeys>(data).ok().and_then(|key_list| {
            if !key_list.keys.is_empty() && key_list.keys[0].0 == validator_info::id() {
                parse_config_data::<String>(data, key_list.keys).and_then(|validator_info| {
                    Some(ConfigAccountType::ValidatorInfo(UiConfig {
                        keys: validator_info.keys,
                        config_data: serde_json::from_str(&validator_info.config_data).ok()?,
                    }))
                })
            } else {
                None
            }
        })
    };
    parsed_account.ok_or(ParseAccountError::AccountNotParsable(
        ParsableAccount::Config,
    ))
}

fn parse_config_data<T>(data: &[u8], keys: Vec<(Pubkey, bool)>) -> Option<UiConfig<T>>
where
    T: serde::de::DeserializeOwned,
{
    let config_data: T = deserialize(&get_config_data(data).ok()?).ok()?;
    let keys = keys
        .iter()
        .map(|key| UiConfigKey {
            pubkey: key.0.to_string(),
            signer: key.1,
        })
        .collect();
    Some(UiConfig { keys, config_data })
}

#[derive(Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase", tag = "type", content = "info")]
pub enum ConfigAccountType {
    StakeConfig(UiStakeConfig),
    ValidatorInfo(UiConfig<Value>),
}

#[derive(Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct UiConfigKey {
    pub pubkey: String,
    pub signer: bool,
}

#[derive(Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct UiStakeConfig {
    pub warmup_cooldown_rate: f64,
    pub slash_penalty: u8,
}

impl From<StakeConfig> for UiStakeConfig {
    fn from(config: StakeConfig) -> Self {
        Self {
            warmup_cooldown_rate: config.warmup_cooldown_rate,
            slash_penalty: config.slash_penalty,
        }
    }
}

#[derive(Debug, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct UiConfig<T> {
    pub keys: Vec<UiConfigKey>,
    pub config_data: T,
}

#[cfg(test)]
mod test {
    use super::*;
    use crate::validator_info::ValidatorInfo;
    use serde_json::json;
    use solana_config_program::create_config_account;

    #[test]
    fn test_parse_config() {
        let stake_config = StakeConfig {
            warmup_cooldown_rate: 0.25,
            slash_penalty: 50,
        };
        let stake_config_account = create_config_account(vec![], &stake_config, 10);
        assert_eq!(
            parse_config(
                &stake_config_account.data,
                &solana_stake_program::config::id()
            )
            .unwrap(),
            ConfigAccountType::StakeConfig(UiStakeConfig {
                warmup_cooldown_rate: 0.25,
                slash_penalty: 50,
            }),
        );

        let validator_info = ValidatorInfo {
            info: serde_json::to_string(&json!({
                "name": "Solana",
            }))
            .unwrap(),
        };
        let info_pubkey = Pubkey::new_rand();
        let validator_info_config_account = create_config_account(
            vec![(validator_info::id(), false), (info_pubkey, true)],
            &validator_info,
            10,
        );
        assert_eq!(
            parse_config(&validator_info_config_account.data, &info_pubkey).unwrap(),
            ConfigAccountType::ValidatorInfo(UiConfig {
                keys: vec![
                    UiConfigKey {
                        pubkey: validator_info::id().to_string(),
                        signer: false,
                    },
                    UiConfigKey {
                        pubkey: info_pubkey.to_string(),
                        signer: true,
                    }
                ],
                config_data: serde_json::from_str(r#"{"name":"Solana"}"#).unwrap(),
            }),
        );

        let bad_data = vec![0; 4];
        assert!(parse_config(&bad_data, &info_pubkey).is_err());
    }
}