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SDK: Allow `RecentBlockhashes` to hold the entire `BlockhashQueue` (#8632) 

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This commit is contained in:
Grimes 2020-03-05 11:03:21 -08:00 committed by GitHub
parent f47a789b15
commit 9d667db634
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 10 deletions
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14
runtime/src/system_instruction_processor.rs
View File

@ -358,7 +358,11 @@ mod tests {
fn create_default_recent_blockhashes_account() -> RefCell<Account> { fn create_default_recent_blockhashes_account() -> RefCell<Account> {
RefCell::new(sysvar::recent_blockhashes::create_account_with_data( RefCell::new(sysvar::recent_blockhashes::create_account_with_data(
1, 1,
vec![IterItem(0u64, &Hash::default(), &FeeCalculator::default()); 32].into_iter(), vec![
IterItem(0u64, &Hash::default(), &FeeCalculator::default());
sysvar::recent_blockhashes::MAX_ENTRIES
]
.into_iter(),
)) ))
} }
fn create_default_rent_account() -> RefCell<Account> { fn create_default_rent_account() -> RefCell<Account> {
@ -1088,11 +1092,7 @@ mod tests {
.iter() .iter()
.map(|meta| { .map(|meta| {
RefCell::new(if sysvar::recent_blockhashes::check_id(&meta.pubkey) { RefCell::new(if sysvar::recent_blockhashes::check_id(&meta.pubkey) {
sysvar::recent_blockhashes::create_account_with_data( create_default_recent_blockhashes_account().into_inner()
1,
vec![IterItem(0u64, &Hash::default(), &FeeCalculator::default()); 32]
.into_iter(),
)
} else if sysvar::rent::check_id(&meta.pubkey) { } else if sysvar::rent::check_id(&meta.pubkey) {
sysvar::rent::create_account(1, &Rent::free()) sysvar::rent::create_account(1, &Rent::free())
} else { } else {
@ -1196,7 +1196,7 @@ mod tests {
&hash(&serialize(&0).unwrap()), &hash(&serialize(&0).unwrap()),
&FeeCalculator::default() &FeeCalculator::default()
); );
32 sysvar::recent_blockhashes::MAX_ENTRIES
] ]
.into_iter(), .into_iter(),
)); ));

12
sdk/src/sysvar/recent_blockhashes.rs
View File

@ -7,7 +7,7 @@ use crate::{
}; };
use std::{cmp::Ordering, collections::BinaryHeap, iter::FromIterator, ops::Deref}; use std::{cmp::Ordering, collections::BinaryHeap, iter::FromIterator, ops::Deref};
const MAX_ENTRIES: usize = 32; pub const MAX_ENTRIES: usize = 150;
declare_sysvar_id!( declare_sysvar_id!(
"SysvarRecentB1ockHashes11111111111111111111", "SysvarRecentB1ockHashes11111111111111111111",
@ -107,7 +107,7 @@ impl<T: Ord> Iterator for IntoIterSorted<T> {
impl Sysvar for RecentBlockhashes { impl Sysvar for RecentBlockhashes {
fn size_of() -> usize { fn size_of() -> usize {
// hard-coded so that we don't have to construct an empty // hard-coded so that we don't have to construct an empty
1288 // golden, update if MAX_ENTRIES changes 6008 // golden, update if MAX_ENTRIES changes
} }
} }
@ -162,10 +162,16 @@ pub fn create_test_recent_blockhashes(start: usize) -> RecentBlockhashes {
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use super::*; use super::*;
use crate::hash::HASH_BYTES; use crate::{clock::MAX_PROCESSING_AGE, hash::HASH_BYTES};
use rand::seq::SliceRandom; use rand::seq::SliceRandom;
use rand::thread_rng; use rand::thread_rng;
#[test]
fn test_sysvar_can_hold_all_active_blockhashes() {
// Ensure we can still hold all of the active entries in `BlockhashQueue`
assert!(MAX_PROCESSING_AGE <= MAX_ENTRIES);
}
#[test] #[test]
fn test_size_of() { fn test_size_of() {
let entry = Entry::new(&Hash::default(), &FeeCalculator::default()); let entry = Entry::new(&Hash::default(), &FeeCalculator::default());