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Fix staker / voter credit redemption (#6074) 

* Fix staker / voter credit redemption

* Rename variables
This commit is contained in:
Justin Starry 2019-09-24 22:58:31 -04:00 committed by GitHub
parent 229836511d
commit 94f0c081a6
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1 changed files with 13 additions and 1 deletions
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14
programs/stake_api/src/stake_state.rs
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@ -511,7 +511,7 @@ impl<'a> StakeAccount for KeyedAccount<'a> {
return Err(InstructionError::InvalidArgument);
}
if let Some((stakers_reward, voters_reward, credits_observed)) = stake
if let Some((voters_reward, stakers_reward, credits_observed)) = stake
.calculate_rewards(
rewards.validator_point_value,
&vote_state,
@ -1606,6 +1606,8 @@ mod tests {
vote_state::create_account(&vote_pubkey, &Pubkey::new_rand(), 0, 100);
let mut vote_state = VoteState::from(&vote_account).unwrap();
// split credits 3:1 between staker and voter
vote_state.commission = std::u8::MAX / 4;
// put in some credits in epoch 0 for which we should have a non-zero stake
for _i in 0..100 {
vote_state.increment_credits(1);
@ -1629,6 +1631,8 @@ mod tests {
rewards_pool_keyed_account.account.lamports = std::u64::MAX;
// finally! some credits to claim
let stake_account_balance = stake_keyed_account.account.lamports;
let vote_account_balance = vote_keyed_account.account.lamports;
assert_eq!(
stake_keyed_account.redeem_vote_credits(
&mut vote_keyed_account,
@ -1638,6 +1642,14 @@ mod tests {
),
Ok(())
);
let staker_rewards = stake_keyed_account.account.lamports - stake_account_balance;
let voter_commission = vote_keyed_account.account.lamports - vote_account_balance;
assert!(voter_commission > 0);
assert!(staker_rewards > 0);
assert!(
staker_rewards / 3 > voter_commission,
"rewards should be split ~3:1"
);
let wrong_vote_pubkey = Pubkey::new_rand();
let mut wrong_vote_keyed_account =