implement penalty sweep (anchor 29)

programs/openbook-v2/src/instructions/sweep_fees.rs

@@ -8,26 +8,34 @@ use crate::token_utils::*;
 pub fn sweep_fees(ctx: Context<SweepFees>) -> Result<()> {
     let mut market = ctx.accounts.market.load_mut()?;
 
-    let amount = market.fees_available;
+    let fee_amount = market.fees_available;
     market.fees_available = 0;
-    market.quote_deposit_total -= amount;
+    market.quote_deposit_total -= fee_amount;
 
     let seeds = market_seeds!(market, ctx.accounts.market.key());
     drop(market);
 
     token_transfer_signed(
-        amount,
+        fee_amount,
         &ctx.accounts.token_program,
         &ctx.accounts.market_quote_vault,
         &ctx.accounts.token_receiver_account,
         &ctx.accounts.market_authority,
         seeds,
     )?;
 
+    let rent = Rent::get()?;
+    let rent_exempt_amount = rent.minimum_balance(ctx.accounts.market.to_account_info().data_len());
+    let penalty_amount = ctx.accounts.market.to_account_info().lamports().saturating_sub(rent_exempt_amount);
+    ctx.accounts.market.sub_lamports(penalty_amount)?;
+    ctx.accounts.collect_fee_admin.add_lamports(penalty_amount)?;
+
     emit!(SweepFeesLog {
         market: ctx.accounts.market.key(),
-        amount,
-        receiver: ctx.accounts.token_receiver_account.key(),
+        fee_amount,
+        fee_receiver: ctx.accounts.token_receiver_account.key(),
+        penalty_amount,
+        penalty_receiver: ctx.accounts.collect_fee_admin.key(),
     });
 
     Ok(())

programs/openbook-v2/src/logs.rs

@@ -72,8 +72,10 @@ pub struct SettleFundsLog {
 #[event]
 pub struct SweepFeesLog {
     pub market: Pubkey,
-    pub amount: u64,
-    pub receiver: Pubkey,
+    pub fee_amount: u64,
+    pub fee_receiver: Pubkey,
+    pub penalty_amount: u64,
+    pub penalty_receiver: Pubkey,
 }
 
 #[event]