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sysvar trait (#6667)

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* sysvar trait

* get the new guy in on it
This commit is contained in:
Rob Walker
2019-11-04 12:31:24 -08:00
committed by GitHub
parent b9b535c30f
commit efe260f12e
18 changed files with 183 additions and 303 deletions
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41
sdk/src/sysvar/epoch_schedule.rs
View File

@@ -1,12 +1,7 @@
//! This account contains the current cluster rent
//!
use crate::{
account::{Account, KeyedAccount},
account_info::AccountInfo,
epoch_schedule::EpochSchedule,
instruction::InstructionError,
sysvar,
};
pub use crate::epoch_schedule::EpochSchedule;
use crate::{account::Account, sysvar::Sysvar};
/// epoch_schedule account pubkey
const ID: [u8; 32] = [
@@ -14,34 +9,16 @@ const ID: [u8; 32] = [
30, 63, 80, 135, 25, 168, 5, 0, 0, 0,
];
crate::solana_sysvar_id!(ID, "SysvarEpochSchedu1e111111111111111111111111");
crate::solana_sysvar_id!(
ID,
"SysvarEpochSchedu1e111111111111111111111111",
EpochSchedule
);
impl EpochSchedule {
pub fn deserialize(account: &Account) -> Result<Self, bincode::Error> {
account.deserialize_data()
}
pub fn from_account(account: &Account) -> Option<Self> {
account.deserialize_data().ok()
}
pub fn to_account(&self, account: &mut Account) -> Option<()> {
account.serialize_data(self).ok()
}
pub fn from_account_info(account: &AccountInfo) -> Option<Self> {
account.deserialize_data().ok()
}
pub fn to_account_info(&self, account: &mut AccountInfo) -> Option<()> {
account.serialize_data(self).ok()
}
pub fn from_keyed_account(account: &KeyedAccount) -> Result<EpochSchedule, InstructionError> {
if !check_id(account.unsigned_key()) {
return Err(InstructionError::InvalidArgument);
}
EpochSchedule::from_account(account.account).ok_or(InstructionError::InvalidArgument)
}
}
impl Sysvar for EpochSchedule {}
pub fn create_account(lamports: u64, epoch_schedule: &EpochSchedule) -> Account {
Account::new_data(lamports, epoch_schedule, &sysvar::id()).unwrap()
epoch_schedule.create_account(lamports)
}
#[cfg(test)]