mango-v4/programs/mango-v4/tests/cases/test_liq_perps_base_and_ban...

623 lines
18 KiB
Rust

use super::*;
#[tokio::test]
async fn test_liq_perps_base_and_bankruptcy() -> Result<(), TransportError> {
let mut test_builder = TestContextBuilder::new();
test_builder.test().set_compute_max_units(150_000); // PerpLiqBaseOrPositivePnl takes a lot of CU
let context = test_builder.start_default().await;
let solana = &context.solana.clone();
let admin = TestKeypair::new();
let owner = context.users[0].key;
let payer = context.users[1].key;
let mints = &context.mints[0..3];
let payer_mint_accounts = &context.users[1].token_accounts[0..3];
//
// SETUP: Create a group and an account to fill the vaults
//
let GroupWithTokens {
group,
tokens,
insurance_vault,
..
} = GroupWithTokensConfig {
admin,
payer,
mints: mints.to_vec(),
zero_token_is_quote: true,
..GroupWithTokensConfig::default()
}
.create(solana)
.await;
// fund the insurance vault
let insurance_vault_funding = 100;
{
let mut tx = ClientTransaction::new(solana);
tx.add_instruction_direct(
spl_token::instruction::transfer(
&spl_token::ID,
&payer_mint_accounts[0],
&insurance_vault,
&payer.pubkey(),
&[&payer.pubkey()],
insurance_vault_funding,
)
.unwrap(),
);
tx.add_signer(payer);
tx.send().await.unwrap();
}
let quote_token = &tokens[0];
let settle_token = &tokens[1];
let base_token = &tokens[2];
// deposit some funds, to the vaults aren't empty
let liqor = create_funded_account(
&solana,
group,
owner,
250,
&context.users[1],
mints,
10000,
0,
)
.await;
let settler =
create_funded_account(&solana, group, owner, 251, &context.users[1], &[], 0, 0).await;
let settler_owner = owner.clone();
//
// TEST: Create a perp market
//
let mango_v4::accounts::PerpCreateMarket { perp_market, .. } = send_tx(
solana,
PerpCreateMarketInstruction {
group,
admin,
payer,
perp_market_index: 0,
settle_token_index: 1,
quote_lot_size: 10,
base_lot_size: 100,
maint_base_asset_weight: 0.7,
init_base_asset_weight: 0.6,
maint_base_liab_weight: 1.3,
init_base_liab_weight: 1.4,
base_liquidation_fee: 0.03,
platform_liquidation_fee: 0.02,
maker_fee: 0.0,
taker_fee: 0.0,
group_insurance_fund: true,
settle_pnl_limit_factor: 0.2,
settle_pnl_limit_window_size_ts: 24 * 60 * 60,
..PerpCreateMarketInstruction::with_new_book_and_queue(&solana, base_token).await
},
)
.await
.unwrap();
let price_lots = {
let perp_market = solana.get_account::<PerpMarket>(perp_market).await;
perp_market.native_price_to_lot(I80F48::ONE)
};
//
// SETUP: Make an two accounts and deposit some quote
//
let context_ref = &context;
let make_account = |idx: u32| async move {
let deposit_amount = 1330;
let account = create_funded_account(
&solana,
group,
owner,
idx,
&context_ref.users[1],
&mints[0..1],
deposit_amount,
0,
)
.await;
account
};
let account_0 = make_account(0).await;
let account_1 = make_account(1).await;
//
// SETUP: Trade perps between accounts
//
send_tx(
solana,
PerpPlaceOrderInstruction {
account: account_0,
perp_market,
owner,
side: Side::Bid,
price_lots,
max_base_lots: 20,
..PerpPlaceOrderInstruction::default()
},
)
.await
.unwrap();
send_tx(
solana,
PerpPlaceOrderInstruction {
account: account_1,
perp_market,
owner,
side: Side::Ask,
price_lots,
max_base_lots: 20,
..PerpPlaceOrderInstruction::default()
},
)
.await
.unwrap();
send_tx(
solana,
PerpConsumeEventsInstruction {
perp_market,
mango_accounts: vec![account_0, account_1],
},
)
.await
.unwrap();
// health was 1000 before;
// after this order exchange it is changed by
// 20*100*(0.6-1)*1.4 = -1120 for the long account0
// 20*100*(1-1.4)*1.4 = -1120 for the short account1
// (100 is base lot size)
assert_eq!(
account_init_health(solana, account_0).await.round(),
1330.0 - 1120.0
);
assert_eq!(
account_init_health(solana, account_1).await.round(),
1330.0 - 1120.0
);
//
// SETUP: Change the oracle to make health go negative for account_0
// perp base health contrib decreases from 2000 * 0.6 * 1.4 to 2000 * 0.6 * 0.6 * 1.4, i.e. -672
//
set_bank_stub_oracle_price(solana, group, base_token, admin, 0.6).await;
assert_eq!(
account_init_health(solana, account_0).await.round(),
210.0 - 672.0
);
//
// TEST: Liquidate base position with limit
//
let perp_market_before = solana.get_account::<PerpMarket>(perp_market).await;
send_tx(
solana,
PerpLiqBaseOrPositivePnlInstruction {
liqor,
liqor_owner: owner,
liqee: account_0,
perp_market,
max_base_transfer: 10,
max_pnl_transfer: 0,
},
)
.await
.unwrap();
let perp_market_after = solana.get_account::<PerpMarket>(perp_market).await;
let liqor_amount = 10.0 * 100.0 * 0.6 * (1.0 - 0.03);
let liqee_amount = 10.0 * 100.0 * 0.6 * (1.0 - 0.05);
let liqor_data = solana.get_account::<MangoAccount>(liqor).await;
assert_eq!(liqor_data.perps[0].base_position_lots(), 10);
assert_eq_fixed_f64!(
liqor_data.perps[0].quote_position_native(),
-liqor_amount,
0.1
);
let liqee_data = solana.get_account::<MangoAccount>(account_0).await;
assert_eq!(liqee_data.perps[0].base_position_lots(), 10);
assert_eq_fixed_f64!(
liqee_data.perps[0].quote_position_native(),
-20.0 * 100.0 + liqee_amount,
0.1
);
assert_eq_fixed_f64!(
liqee_data.perps[0].realized_pnl_for_position_native,
liqee_amount - 1000.0,
0.1
);
// stable price is 1.0, so 0.2 * 1000
assert_eq!(liqee_data.perps[0].recurring_settle_pnl_allowance, 201);
assert_eq_fixed_f64!(
perp_market_after.fees_accrued - perp_market_before.fees_accrued,
liqor_amount - liqee_amount,
0.1,
);
assert_eq_fixed_f64!(
perp_market_after.accrued_liquidation_fees - perp_market_before.accrued_liquidation_fees,
liqor_amount - liqee_amount,
0.1,
);
//
// TEST: Liquidate base position max
//
send_tx(
solana,
PerpLiqBaseOrPositivePnlInstruction {
liqor,
liqor_owner: owner,
liqee: account_0,
perp_market,
max_base_transfer: i64::MAX,
max_pnl_transfer: 0,
},
)
.await
.unwrap();
let liqor_amount_2 = 6.0 * 100.0 * 0.6 * (1.0 - 0.03);
let liqee_amount_2 = 6.0 * 100.0 * 0.6 * (1.0 - 0.05);
let liqor_data = solana.get_account::<MangoAccount>(liqor).await;
assert_eq!(liqor_data.perps[0].base_position_lots(), 10 + 6);
assert_eq_fixed_f64!(
liqor_data.perps[0].quote_position_native(),
-liqor_amount - liqor_amount_2,
0.1
);
let liqee_data = solana.get_account::<MangoAccount>(account_0).await;
assert_eq!(liqee_data.perps[0].base_position_lots(), 4);
assert_eq_fixed_f64!(
liqee_data.perps[0].quote_position_native(),
-20.0 * 100.0 + liqee_amount + liqee_amount_2,
0.1
);
// verify health is good again
send_tx(
solana,
TokenWithdrawInstruction {
amount: 1,
allow_borrow: false,
account: account_0,
owner,
token_account: payer_mint_accounts[0],
bank_index: 0,
},
)
.await
.unwrap();
//
// SETUP: Change the oracle to make health go negative for account_1
//
set_bank_stub_oracle_price(solana, group, base_token, admin, 1.32).await;
// verify health is bad: can't withdraw
assert!(send_tx(
solana,
TokenWithdrawInstruction {
amount: 1,
allow_borrow: false,
account: account_1,
owner,
token_account: payer_mint_accounts[0],
bank_index: 0,
}
)
.await
.is_err());
//
// TEST: Liquidate base position
//
let perp_market_before = solana.get_account::<PerpMarket>(perp_market).await;
send_tx(
solana,
PerpLiqBaseOrPositivePnlInstruction {
liqor,
liqor_owner: owner,
liqee: account_1,
perp_market,
max_base_transfer: -10,
max_pnl_transfer: 0,
},
)
.await
.unwrap();
let perp_market_after = solana.get_account::<PerpMarket>(perp_market).await;
let liqor_amount_3 = 10.0 * 100.0 * 1.32 * (1.0 + 0.03);
let liqee_amount_3 = 10.0 * 100.0 * 1.32 * (1.0 + 0.05);
let liqor_data = solana.get_account::<MangoAccount>(liqor).await;
assert_eq!(liqor_data.perps[0].base_position_lots(), 16 - 10);
assert_eq_fixed_f64!(
liqor_data.perps[0].quote_position_native(),
-liqor_amount - liqor_amount_2 + liqor_amount_3,
0.1
);
let liqee_data = solana.get_account::<MangoAccount>(account_1).await;
assert_eq!(liqee_data.perps[0].base_position_lots(), -10);
assert_eq_fixed_f64!(
liqee_data.perps[0].quote_position_native(),
20.0 * 100.0 - liqee_amount_3,
0.1
);
assert_eq_fixed_f64!(
perp_market_after.fees_accrued - perp_market_before.fees_accrued,
liqee_amount_3 - liqor_amount_3,
0.1,
);
assert_eq_fixed_f64!(
perp_market_after.accrued_liquidation_fees - perp_market_before.accrued_liquidation_fees,
liqee_amount_3 - liqor_amount_3,
0.1,
);
//
// TEST: Liquidate base position max
//
send_tx(
solana,
PerpLiqBaseOrPositivePnlInstruction {
liqor,
liqor_owner: owner,
liqee: account_1,
perp_market,
max_base_transfer: i64::MIN,
max_pnl_transfer: 0,
},
)
.await
.unwrap();
let liqor_amount_4 = 7.0 * 100.0 * 1.32 * (1.0 + 0.03);
let liqee_amount_4 = 7.0 * 100.0 * 1.32 * (1.0 + 0.05);
let liqor_data = solana.get_account::<MangoAccount>(liqor).await;
assert_eq!(liqor_data.perps[0].base_position_lots(), 6 - 7);
assert_eq_fixed_f64!(
liqor_data.perps[0].quote_position_native(),
-liqor_amount - liqor_amount_2 + liqor_amount_3 + liqor_amount_4,
0.1
);
let liqee_data = solana.get_account::<MangoAccount>(account_1).await;
assert_eq!(liqee_data.perps[0].base_position_lots(), -3);
assert_eq_fixed_f64!(
liqee_data.perps[0].quote_position_native(),
20.0 * 100.0 - liqee_amount_3 - liqee_amount_4,
0.1
);
// verify health is good again
send_tx(
solana,
TokenWithdrawInstruction {
amount: 1,
allow_borrow: false,
account: account_1,
owner,
token_account: payer_mint_accounts[0],
bank_index: 0,
},
)
.await
.unwrap();
//
// SETUP: liquidate base position to 0, so bankruptcy can be tested
//
let perp_oracle_price = 2.0;
set_bank_stub_oracle_price(solana, group, base_token, admin, perp_oracle_price).await;
//
// TEST: Liquidate base position max
//
send_tx(
solana,
PerpLiqBaseOrPositivePnlInstruction {
liqor,
liqor_owner: owner,
liqee: account_1,
perp_market,
max_base_transfer: i64::MIN,
max_pnl_transfer: 0,
},
)
.await
.unwrap();
let liqor_amount_5 = 3.0 * 100.0 * 2.0 * (1.0 + 0.03);
let liqee_amount_5 = 3.0 * 100.0 * 2.0 * (1.0 + 0.05);
let liqor_data = solana.get_account::<MangoAccount>(liqor).await;
assert_eq!(liqor_data.perps[0].base_position_lots(), -1 - 3);
assert_eq_fixed_f64!(
liqor_data.perps[0].quote_position_native(),
-liqor_amount - liqor_amount_2 + liqor_amount_3 + liqor_amount_4 + liqor_amount_5,
0.1
);
let liqee_data = solana.get_account::<MangoAccount>(account_1).await;
assert_eq!(liqee_data.perps[0].base_position_lots(), 0);
assert_eq_fixed_f64!(
liqee_data.perps[0].quote_position_native(),
20.0 * 100.0 - liqee_amount_3 - liqee_amount_4 - liqee_amount_5,
0.1
);
//
// TEST: Can settle-pnl even though health is negative
//
let liqor_data = solana.get_account::<MangoAccount>(liqor).await;
let perp_market_data = solana.get_account::<PerpMarket>(perp_market).await;
let liqor_max_settle = liqor_data.perps[0]
.available_settle_limit(&perp_market_data)
.1;
send_tx(
solana,
PerpSettlePnlInstruction {
settler,
settler_owner,
account_a: liqor,
account_b: account_1,
perp_market,
},
)
.await
.unwrap();
let liqee_quote_deposits_before: f64 = 1329.0;
// the liqor's settle limit means we can't settle everything
let settle_amount = liqee_quote_deposits_before.min(liqor_max_settle as f64);
let remaining_pnl =
20.0 * 100.0 - liqee_amount_3 - liqee_amount_4 - liqee_amount_5 + settle_amount;
assert!(remaining_pnl < 0.0);
let liqee_data = solana.get_account::<MangoAccount>(account_1).await;
assert_eq!(liqee_data.perps[0].base_position_lots(), 0);
assert_eq_fixed_f64!(
liqee_data.perps[0].quote_position_native(),
remaining_pnl,
0.1
);
assert_eq!(
account_position(solana, account_1, quote_token.bank).await,
liqee_quote_deposits_before as i64
);
assert_eq!(
account_position(solana, account_1, settle_token.bank).await,
-settle_amount as i64
);
//
// SETUP: Leave the account with a small positive quote pos and a bigger negative perp health
//
set_bank_stub_oracle_price(solana, group, quote_token, admin, 10.0).await;
// clear the negative settle token position, to avoid the liquidatable token position
send_tx(
solana,
TokenDepositInstruction {
amount: u64::MAX,
reduce_only: true,
account: account_1,
owner,
token_authority: payer,
token_account: payer_mint_accounts[1],
bank_index: 0,
},
)
.await
.unwrap();
// reduce the quote position so we still are liquidatable
send_tx(
solana,
TokenWithdrawInstruction {
amount: liqee_quote_deposits_before as u64 - 200,
allow_borrow: false,
account: account_1,
owner,
token_account: payer_mint_accounts[0],
bank_index: 0,
},
)
.await
.unwrap();
set_bank_stub_oracle_price(solana, group, quote_token, admin, 1.0).await;
//
// TEST: Can liquidate/bankruptcy away remaining negative pnl
//
let account0_before = solana.get_account::<MangoAccount>(account_0).await;
let liqee_before = solana.get_account::<MangoAccount>(account_1).await;
let liqor_before = solana.get_account::<MangoAccount>(liqor).await;
let liqee_settle_limit_before = liqee_before.perps[0]
.available_settle_limit(&perp_market_data)
.0;
send_tx(
solana,
PerpLiqNegativePnlOrBankruptcyInstruction {
liqor,
liqor_owner: owner,
liqee: account_1,
perp_market,
max_liab_transfer: u64::MAX,
},
)
.await
.unwrap();
let liqee_after = solana.get_account::<MangoAccount>(account_1).await;
let liqor_data = solana.get_account::<MangoAccount>(liqor).await;
let quote_bank = solana.get_account::<Bank>(quote_token.bank).await;
let settle_bank = solana.get_account::<Bank>(settle_token.bank).await;
// the amount of perp quote transfered
let liq_perp_quote_amount =
(insurance_vault_funding as f64) / 1.03 + (-liqee_settle_limit_before) as f64;
// insurance fund was depleted and the liqor received it
assert_eq!(solana.token_account_balance(insurance_vault).await, 0);
assert_eq_fixed_f64!(
liqor_data.tokens[0].native(&quote_bank),
liqor_before.tokens[0].native(&quote_bank).to_num::<f64>() + insurance_vault_funding as f64,
0.1
);
assert_eq_fixed_f64!(
liqor_data.tokens[1].native(&settle_bank),
liqor_before.tokens[1].native(&settle_bank).to_num::<f64>()
- liqee_settle_limit_before as f64,
0.1
);
// liqor took over the max possible negative pnl
assert_eq_fixed_f64!(
liqor_data.perps[0].quote_position_native(),
liqor_before.perps[0]
.quote_position_native()
.to_num::<f64>()
- liq_perp_quote_amount,
0.1
);
// liqee exited liquidation
assert!(account_init_health(solana, account_1).await >= 0.0);
assert_eq!(liqee_after.being_liquidated, 0);
// the remainder got socialized via funding payments
let perp_market = solana.get_account::<PerpMarket>(perp_market).await;
let pnl_before = liqee_before.perps[0]
.unsettled_pnl(&perp_market, I80F48::from_num(perp_oracle_price))
.unwrap();
let pnl_after = liqee_after.perps[0]
.unsettled_pnl(&perp_market, I80F48::from_num(perp_oracle_price))
.unwrap();
let socialized_amount = (pnl_after - pnl_before).to_num::<f64>() - liq_perp_quote_amount;
let open_interest = 2 * liqor_data.perps[0].base_position_lots.abs();
assert_eq_fixed_f64!(
perp_market.long_funding,
socialized_amount / open_interest as f64,
0.1
);
assert_eq_fixed_f64!(
perp_market.short_funding,
-socialized_amount / open_interest as f64,
0.1
);
assert_eq_fixed_f64!(
account0_before.perps[0].unsettled_funding(&perp_market),
socialized_amount / 2.0,
0.1
);
Ok(())
}