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use solana_program::{
account_info::AccountInfo, clock::Clock, program_error::ProgramError, pubkey::Pubkey,
sysvar::Sysvar,
};
use spl_governance_addin_api::max_voter_weight::MaxVoterWeightRecord;
use spl_governance_tools::account::get_account_data;
use crate::error::GovernanceError;
pub fn assert_is_valid_max_voter_weight(
max_voter_weight_record: &MaxVoterWeightRecord,
) -> Result<(), ProgramError> {
if let Some(max_voter_weight_expiry) = max_voter_weight_record.max_voter_weight_expiry {
let slot = Clock::get()?.slot;
if slot > max_voter_weight_expiry {
return Err(GovernanceError::MaxVoterWeightRecordExpired.into());
}
}
Ok(())
}
pub fn get_max_voter_weight_record_data(
program_id: &Pubkey,
max_voter_weight_record_info: &AccountInfo,
) -> Result<MaxVoterWeightRecord, ProgramError> {
get_account_data::<MaxVoterWeightRecord>(program_id, max_voter_weight_record_info)
}
pub fn get_max_voter_weight_record_data_for_realm_and_governing_token_mint(
program_id: &Pubkey,
max_voter_weight_record_info: &AccountInfo,
realm: &Pubkey,
governing_token_mint: &Pubkey,
) -> Result<MaxVoterWeightRecord, ProgramError> {
let max_voter_weight_record_data =
get_max_voter_weight_record_data(program_id, max_voter_weight_record_info)?;
if max_voter_weight_record_data.realm != *realm {
return Err(GovernanceError::InvalidMaxVoterWeightRecordForRealm.into());
}
if max_voter_weight_record_data.governing_token_mint != *governing_token_mint {
return Err(GovernanceError::InvalidMaxVoterWeightRecordForGoverningTokenMint.into());
}
Ok(max_voter_weight_record_data)
}