use borsh::BorshDeserialize;
use borsh::BorshSerialize;
use solana_program::pubkey::Pubkey;
#[derive(BorshSerialize, BorshDeserialize, Clone, Debug, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct StakeInfo {
pub discriminator: [u8; 8],
#[cfg_attr(
feature = "serde",
serde(with = "serde_with::As::<serde_with::DisplayFromStr>")
)]
pub pool: Pubkey,
#[cfg_attr(
feature = "serde",
serde(with = "serde_with::As::<serde_with::DisplayFromStr>")
)]
pub stake_account: Pubkey,
pub current_staked_amount_lamports: u64,
pub total_staking_rewards_lamports: u64,
pub last_updated_at: i64,
pub deactivating: bool,
pub stake_account_index: u64,
pub bump: u8,
}
pub const STAKE_INFO_DISCRIMINATOR: [u8; 8] = [66, 62, 68, 70, 108, 179, 183, 235];
impl StakeInfo {
pub const LEN: usize = 106;
#[inline(always)]
pub fn from_bytes(data: &[u8]) -> Result<Self, std::io::Error> {
let mut data = data;
Self::deserialize(&mut data)
}
}
impl<'a> TryFrom<&solana_program::account_info::AccountInfo<'a>> for StakeInfo {
type Error = std::io::Error;
fn try_from(
account_info: &solana_program::account_info::AccountInfo<'a>,
) -> Result<Self, Self::Error> {
let mut data: &[u8] = &(*account_info.data).borrow();
Self::deserialize(&mut data)
}
}
#[cfg(feature = "fetch")]
pub fn fetch_stake_info(
rpc: &solana_client::rpc_client::RpcClient,
address: &solana_program::pubkey::Pubkey,
) -> Result<crate::shared::DecodedAccount<StakeInfo>, std::io::Error> {
let accounts = fetch_all_stake_info(rpc, &[*address])?;
Ok(accounts[0].clone())
}
#[cfg(feature = "fetch")]
pub fn fetch_all_stake_info(
rpc: &solana_client::rpc_client::RpcClient,
addresses: &[solana_program::pubkey::Pubkey],
) -> Result<Vec<crate::shared::DecodedAccount<StakeInfo>>, std::io::Error> {
let accounts = rpc
.get_multiple_accounts(addresses)
.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e.to_string()))?;
let mut decoded_accounts: Vec<crate::shared::DecodedAccount<StakeInfo>> = Vec::new();
for i in 0..addresses.len() {
let address = addresses[i];
let account = accounts[i].as_ref().ok_or(std::io::Error::new(
std::io::ErrorKind::Other,
format!("Account not found: {}", address),
))?;
let data = StakeInfo::from_bytes(&account.data)?;
decoded_accounts.push(crate::shared::DecodedAccount {
address,
account: account.clone(),
data,
});
}
Ok(decoded_accounts)
}
#[cfg(feature = "fetch")]
pub fn fetch_maybe_stake_info(
rpc: &solana_client::rpc_client::RpcClient,
address: &solana_program::pubkey::Pubkey,
) -> Result<crate::shared::MaybeAccount<StakeInfo>, std::io::Error> {
let accounts = fetch_all_maybe_stake_info(rpc, &[*address])?;
Ok(accounts[0].clone())
}
#[cfg(feature = "fetch")]
pub fn fetch_all_maybe_stake_info(
rpc: &solana_client::rpc_client::RpcClient,
addresses: &[solana_program::pubkey::Pubkey],
) -> Result<Vec<crate::shared::MaybeAccount<StakeInfo>>, std::io::Error> {
let accounts = rpc
.get_multiple_accounts(addresses)
.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e.to_string()))?;
let mut decoded_accounts: Vec<crate::shared::MaybeAccount<StakeInfo>> = Vec::new();
for i in 0..addresses.len() {
let address = addresses[i];
if let Some(account) = accounts[i].as_ref() {
let data = StakeInfo::from_bytes(&account.data)?;
decoded_accounts.push(crate::shared::MaybeAccount::Exists(
crate::shared::DecodedAccount {
address,
account: account.clone(),
data,
},
));
} else {
decoded_accounts.push(crate::shared::MaybeAccount::NotFound(address));
}
}
Ok(decoded_accounts)
}