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Steward: Fix Rebalance try_accounts stack frame exceeding SBF limit #316

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Steward: Fix Rebalance try_accounts stack frame exceeding SBF limit #316

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11 changes: 7 additions & 4 deletions programs/steward/src/instructions/rebalance.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,10 @@ use crate::{
errors::StewardError,
events::{DecreaseComponents, RebalanceEvent, RebalanceTypeTag},
maybe_transition,
stake_pool_utils::deserialize_stake_pool,
stake_pool_utils::{
deserialize_stake_pool, stake_pool_reserve_stake, stake_pool_validator_list,
stake_pool_withdraw_bump_seed,
},
utils::{get_stake_pool_address, get_validator_stake_info_at_index, state_checks},
Config, StewardStateAccount, StewardStateAccountV2, StewardStateEnum,
};
Expand Down Expand Up @@ -62,21 +65,21 @@ pub struct Rebalance<'info> {
STAKE_POOL_WITHDRAW_SEED
],
seeds::program = spl_stake_pool::ID,
bump = deserialize_stake_pool(&stake_pool)?.stake_withdraw_bump_seed
bump = stake_pool_withdraw_bump_seed(&stake_pool)?
)]
pub withdraw_authority: AccountInfo<'info>,

/// CHECK: passing through, checks are done by spl-stake-pool
#[account(
mut,
address = deserialize_stake_pool(&stake_pool)?.validator_list
address = stake_pool_validator_list(&stake_pool)?
)]
pub validator_list: AccountInfo<'info>,

/// CHECK: passing through, checks are done by spl-stake-pool
#[account(
mut,
address = deserialize_stake_pool(&stake_pool)?.reserve_stake
address = stake_pool_reserve_stake(&stake_pool)?
)]
pub reserve_stake: AccountInfo<'info>,

Expand Down
15 changes: 15 additions & 0 deletions programs/steward/src/stake_pool_utils.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,21 @@ pub fn deserialize_stake_pool(
)?)
}

#[inline(never)]
pub fn stake_pool_withdraw_bump_seed(account_info: &AccountInfo) -> Result<u8> {
Ok(deserialize_stake_pool(account_info)?.stake_withdraw_bump_seed)
}

#[inline(never)]
pub fn stake_pool_validator_list(account_info: &AccountInfo) -> Result<Pubkey> {
Ok(deserialize_stake_pool(account_info)?.validator_list)
}

#[inline(never)]
pub fn stake_pool_reserve_stake(account_info: &AccountInfo) -> Result<Pubkey> {
Ok(deserialize_stake_pool(account_info)?.reserve_stake)
}

pub fn deserialize_validator_list(
account_info: &AccountInfo,
) -> Result<spl_stake_pool::state::ValidatorList> {
Expand Down
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