67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
//! named accounts for synthesized data accounts for bank state, etc.
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//!
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//! this account carries history about stake activations and de-activations
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//!
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pub use crate::stake_history::StakeHistory;
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use crate::sysvar::Sysvar;
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crate::declare_sysvar_id!("SysvarStakeHistory1111111111111111111111111", StakeHistory);
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impl Sysvar for StakeHistory {
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// override
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fn size_of() -> usize {
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// hard-coded so that we don't have to construct an empty
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16392 // golden, update if MAX_ENTRIES changes
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::stake_history::*;
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#[test]
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fn test_size_of() {
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let mut stake_history = StakeHistory::default();
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for i in 0..MAX_ENTRIES as u64 {
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stake_history.add(
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i,
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StakeHistoryEntry {
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activating: i,
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..StakeHistoryEntry::default()
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},
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);
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}
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assert_eq!(
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bincode::serialized_size(&stake_history).unwrap() as usize,
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StakeHistory::size_of()
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);
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}
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#[test]
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fn test_create_account() {
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let mut stake_history = StakeHistory::default();
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for i in 0..MAX_ENTRIES as u64 + 1 {
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stake_history.add(
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i,
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StakeHistoryEntry {
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activating: i,
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..StakeHistoryEntry::default()
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},
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);
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}
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assert_eq!(stake_history.len(), MAX_ENTRIES);
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assert_eq!(stake_history.iter().map(|entry| entry.0).min().unwrap(), 1);
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assert_eq!(stake_history.get(&0), None);
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assert_eq!(
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stake_history.get(&1),
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Some(&StakeHistoryEntry {
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activating: 1,
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..StakeHistoryEntry::default()
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})
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);
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}
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}
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