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Disallow crowning if last stake was less than one minute ago

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This commit is contained in:
Hardhat Chad
2024-07-05 15:26:06 +00:00
parent bcba77eb7c
commit ec441fef54
1 changed files with 19 additions and 11 deletions
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30
program/src/crown.rs
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@@ -1,10 +1,12 @@
use ore_api::{
consts::ONE_MINUTE,
error::OreError,
loaders::*,
state::{Config, Proof},
};
use solana_program::{
account_info::AccountInfo, entrypoint::ProgramResult, program_error::ProgramError,
pubkey::Pubkey,
account_info::AccountInfo, clock::Clock, entrypoint::ProgramResult,
program_error::ProgramError, pubkey::Pubkey, sysvar::Sysvar,
};
use crate::utils::AccountDeserialize;
@@ -23,15 +25,23 @@ pub fn process_crown<'a, 'info>(
load_config(config_info, true)?;
load_any_proof(proof_new_info, false)?;
// Load config
let mut config_data = config_info.data.borrow_mut();
let config = Config::try_from_bytes_mut(&mut config_data)?;
// Load proposed new top staker
// Load the proof accounts.
let clock = Clock::get().unwrap();
let proof_new_data = proof_new_info.data.borrow();
let proof_new = Proof::try_from_bytes(&proof_new_data)?;
if proof_new
.last_stake_at
.saturating_add(ONE_MINUTE)
.gt(&clock.unix_timestamp)
{
return Err(OreError::CannotCrown.into());
}
// If top staker is the defualt null balance, skip this.
// If top staker is the default null address, skip this.
let mut config_data = config_info.data.borrow_mut();
let config = Config::try_from_bytes_mut(&mut config_data)?;
let proof_data = proof_info.data.borrow();
let proof = Proof::try_from_bytes(&proof_data)?;
if config.top_staker.ne(&Pubkey::new_from_array([0; 32])) {
// Load current top staker
load_any_proof(proof_info, false)?;
@@ -40,14 +50,12 @@ pub fn process_crown<'a, 'info>(
}
// Compare balances
let proof_data = proof_info.data.borrow();
let proof = Proof::try_from_bytes(&proof_data)?;
if proof_new.balance.lt(&proof.balance) {
return Ok(());
}
}
// Crown the new top staker
// Crown the new top staker.
config.max_stake = proof_new.balance;
config.top_staker = *proof_new_info.key;