144 lines
4.5 KiB
Rust
144 lines
4.5 KiB
Rust
use crate::{
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parse_account_data::{ParsableAccount, ParseAccountError},
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validator_info,
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};
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use bincode::deserialize;
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use serde_json::Value;
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use solana_config_program::{get_config_data, ConfigKeys};
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use solana_sdk::pubkey::Pubkey;
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use solana_sdk::stake::config::{self as stake_config, Config as StakeConfig};
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pub fn parse_config(data: &[u8], pubkey: &Pubkey) -> Result<ConfigAccountType, ParseAccountError> {
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let parsed_account = if pubkey == &stake_config::id() {
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get_config_data(data)
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.ok()
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.and_then(|data| deserialize::<StakeConfig>(data).ok())
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.map(|config| ConfigAccountType::StakeConfig(config.into()))
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} else {
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deserialize::<ConfigKeys>(data).ok().and_then(|key_list| {
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if !key_list.keys.is_empty() && key_list.keys[0].0 == validator_info::id() {
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parse_config_data::<String>(data, key_list.keys).and_then(|validator_info| {
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Some(ConfigAccountType::ValidatorInfo(UiConfig {
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keys: validator_info.keys,
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config_data: serde_json::from_str(&validator_info.config_data).ok()?,
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}))
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})
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} else {
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None
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}
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})
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};
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parsed_account.ok_or(ParseAccountError::AccountNotParsable(
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ParsableAccount::Config,
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))
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}
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fn parse_config_data<T>(data: &[u8], keys: Vec<(Pubkey, bool)>) -> Option<UiConfig<T>>
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where
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T: serde::de::DeserializeOwned,
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{
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let config_data: T = deserialize(get_config_data(data).ok()?).ok()?;
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let keys = keys
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.iter()
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.map(|key| UiConfigKey {
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pubkey: key.0.to_string(),
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signer: key.1,
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})
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.collect();
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Some(UiConfig { keys, config_data })
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}
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#[derive(Debug, Serialize, Deserialize, PartialEq)]
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#[serde(rename_all = "camelCase", tag = "type", content = "info")]
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pub enum ConfigAccountType {
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StakeConfig(UiStakeConfig),
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ValidatorInfo(UiConfig<Value>),
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}
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#[derive(Debug, Serialize, Deserialize, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct UiConfigKey {
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pub pubkey: String,
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pub signer: bool,
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}
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#[derive(Debug, Serialize, Deserialize, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct UiStakeConfig {
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pub warmup_cooldown_rate: f64,
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pub slash_penalty: u8,
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}
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impl From<StakeConfig> for UiStakeConfig {
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fn from(config: StakeConfig) -> Self {
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Self {
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warmup_cooldown_rate: config.warmup_cooldown_rate,
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slash_penalty: config.slash_penalty,
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}
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}
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}
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#[derive(Debug, Serialize, Deserialize, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct UiConfig<T> {
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pub keys: Vec<UiConfigKey>,
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pub config_data: T,
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}
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#[cfg(test)]
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mod test {
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use super::*;
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use crate::validator_info::ValidatorInfo;
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use serde_json::json;
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use solana_config_program::create_config_account;
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use solana_sdk::account::ReadableAccount;
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#[test]
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fn test_parse_config() {
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let stake_config = StakeConfig {
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warmup_cooldown_rate: 0.25,
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slash_penalty: 50,
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};
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let stake_config_account = create_config_account(vec![], &stake_config, 10);
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assert_eq!(
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parse_config(stake_config_account.data(), &stake_config::id()).unwrap(),
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ConfigAccountType::StakeConfig(UiStakeConfig {
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warmup_cooldown_rate: 0.25,
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slash_penalty: 50,
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}),
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);
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let validator_info = ValidatorInfo {
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info: serde_json::to_string(&json!({
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"name": "Solana",
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}))
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.unwrap(),
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};
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let info_pubkey = solana_sdk::pubkey::new_rand();
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let validator_info_config_account = create_config_account(
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vec![(validator_info::id(), false), (info_pubkey, true)],
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&validator_info,
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10,
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);
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assert_eq!(
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parse_config(validator_info_config_account.data(), &info_pubkey).unwrap(),
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ConfigAccountType::ValidatorInfo(UiConfig {
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keys: vec![
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UiConfigKey {
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pubkey: validator_info::id().to_string(),
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signer: false,
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},
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UiConfigKey {
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pubkey: info_pubkey.to_string(),
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signer: true,
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}
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],
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config_data: serde_json::from_str(r#"{"name":"Solana"}"#).unwrap(),
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}),
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);
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let bad_data = vec![0; 4];
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assert!(parse_config(&bad_data, &info_pubkey).is_err());
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}
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}
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