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Add slot_history for slashing (#7589)

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* Add slot_history for slashing

* fixup

* fixup
This commit is contained in:
Rob Walker
2019-12-23 12:23:45 -08:00
committed by GitHub
parent 352a367570
commit 120c8f244c
15 changed files with 209 additions and 53 deletions
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10
sdk/src/sysvar/mod.rs
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@@ -14,6 +14,7 @@ pub mod recent_blockhashes;
pub mod rent;
pub mod rewards;
pub mod slot_hashes;
pub mod slot_history;
pub mod stake_history;
pub fn is_sysvar_id(id: &Pubkey) -> bool {
@@ -24,6 +25,7 @@ pub fn is_sysvar_id(id: &Pubkey) -> bool {
|| rent::check_id(id)
|| rewards::check_id(id)
|| slot_hashes::check_id(id)
|| slot_history::check_id(id)
|| stake_history::check_id(id)
}
@@ -59,11 +61,8 @@ pub trait SysvarId {
pub trait Sysvar:
SysvarId + Default + Sized + serde::Serialize + serde::de::DeserializeOwned
{
fn biggest() -> Self {
Self::default()
}
fn size_of() -> usize {
bincode::serialized_size(&Self::biggest()).unwrap() as usize
bincode::serialized_size(&Self::default()).unwrap() as usize
}
fn from_account(account: &Account) -> Option<Self> {
bincode::deserialize(&account.data).ok()
@@ -84,7 +83,8 @@ pub trait Sysvar:
Self::from_account(account.account).ok_or(InstructionError::InvalidArgument)
}
fn create_account(&self, lamports: u64) -> Account {
let mut account = Account::new(lamports, Self::size_of(), &id());
let data_len = Self::size_of().max(bincode::serialized_size(self).unwrap() as usize);
let mut account = Account::new(lamports, data_len, &id());
self.to_account(&mut account).unwrap();
account
}