2022-03-08 01:23:58 -08:00
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#![cfg(feature = "test-bpf")]
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use anchor_lang::InstructionData;
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use solana_program_test::*;
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2022-04-09 12:18:07 -07:00
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use solana_sdk::signature::Keypair;
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2022-03-08 01:23:58 -08:00
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use solana_sdk::signature::Signer;
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use mango_v4::state::*;
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use program_test::*;
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mod program_test;
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// This is an unspecific happy-case test that just runs a few instructions to check
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// that they work in principle. It should be split up / renamed.
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#[tokio::test]
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2022-04-09 12:18:07 -07:00
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async fn test_margin_trade() -> Result<(), BanksClientError> {
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2022-03-21 02:45:55 -07:00
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let mut builder = TestContextBuilder::new();
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let margin_trade = builder.add_margin_trade_program();
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let context = builder.start_default().await;
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let solana = &context.solana.clone();
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let admin = &Keypair::new();
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let owner = &context.users[0].key;
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let payer = &context.users[1].key;
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let mints = &context.mints[0..2];
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let payer_mint0_account = context.users[1].token_accounts[0];
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let payer_mint1_account = context.users[1].token_accounts[1];
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let loan_origination_fee = 0.0005;
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// higher resolution that the loan_origination_fee for one token
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let balance_f64eq = |a: f64, b: f64| (a - b).abs() < 0.0001;
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2022-03-08 01:23:58 -08:00
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//
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// SETUP: Create a group, account, register a token (mint0)
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//
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2022-03-20 23:49:51 -07:00
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let mango_setup::GroupWithTokens { group, tokens } = mango_setup::GroupWithTokensConfig {
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admin,
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payer,
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mints,
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}
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.create(solana)
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.await;
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let bank = tokens[0].bank;
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let vault = tokens[0].vault;
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2022-03-08 01:23:58 -08:00
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2022-05-20 01:55:48 -07:00
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//
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// provide some funds for tokens, so the test user can borrow
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//
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let provided_amount = 1000;
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let provider_account = send_tx(
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solana,
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CreateAccountInstruction {
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account_num: 1,
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group,
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owner,
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payer,
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},
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)
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.await
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.unwrap()
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.account;
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send_tx(
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solana,
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DepositInstruction {
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amount: provided_amount,
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account: provider_account,
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token_account: payer_mint0_account,
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token_authority: payer,
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},
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)
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.await
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.unwrap();
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send_tx(
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solana,
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DepositInstruction {
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amount: provided_amount,
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account: provider_account,
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token_account: payer_mint1_account,
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token_authority: payer,
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},
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)
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.await
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.unwrap();
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//
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// create thes test user account
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//
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2022-03-08 01:23:58 -08:00
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let account = send_tx(
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solana,
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CreateAccountInstruction {
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account_num: 0,
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group,
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owner,
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payer,
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},
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)
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.await
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.unwrap()
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.account;
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//
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// TEST: Deposit funds
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//
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let deposit_amount_initial = 100;
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{
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let start_balance = solana.token_account_balance(payer_mint0_account).await;
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send_tx(
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solana,
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DepositInstruction {
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amount: deposit_amount_initial,
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account,
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token_account: payer_mint0_account,
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token_authority: payer,
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},
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)
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.await
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.unwrap();
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assert_eq!(
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solana.token_account_balance(vault).await,
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provided_amount + deposit_amount_initial
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);
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assert_eq!(
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solana.token_account_balance(payer_mint0_account).await,
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start_balance - deposit_amount_initial
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);
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assert_eq!(
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account_position(solana, account, bank).await,
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deposit_amount_initial as i64,
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);
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}
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//
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// TEST: Margin trade
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//
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let withdraw_amount = 2;
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let deposit_amount = 1;
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{
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send_tx(
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solana,
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MarginTradeInstruction {
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account,
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owner,
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mango_token_bank: bank,
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mango_token_vault: vault,
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withdraw_amount,
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margin_trade_program_id: margin_trade.program,
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deposit_account: margin_trade.token_account.pubkey(),
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deposit_account_owner: margin_trade.token_account_owner,
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margin_trade_program_ix_cpi_data: {
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let ix = margin_trade::instruction::MarginTrade {
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amount_from: withdraw_amount,
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amount_to: deposit_amount,
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deposit_account_owner_bump_seeds: margin_trade.token_account_bump,
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};
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ix.data()
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},
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},
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)
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.await
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.unwrap();
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}
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assert_eq!(
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solana.token_account_balance(vault).await,
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provided_amount + deposit_amount_initial - withdraw_amount + deposit_amount
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);
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assert_eq!(
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solana
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.token_account_balance(margin_trade.token_account.pubkey())
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.await,
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withdraw_amount - deposit_amount
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);
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2022-05-20 01:55:48 -07:00
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// no fee because user had positive balance
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assert!(balance_f64eq(
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account_position_f64(solana, account, bank).await,
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(deposit_amount_initial - withdraw_amount + deposit_amount) as f64
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));
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2022-03-08 01:23:58 -08:00
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2022-05-19 04:45:46 -07:00
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//
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// TEST: Bringing the balance to 0 deactivates the token
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//
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2022-05-20 01:55:48 -07:00
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let deposit_amount_initial = account_position(solana, account, bank).await;
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2022-05-19 04:45:46 -07:00
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let margin_account_initial = solana
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.token_account_balance(margin_trade.token_account.pubkey())
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.await;
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let withdraw_amount = deposit_amount_initial as u64;
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let deposit_amount = 0;
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{
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send_tx(
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solana,
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MarginTradeInstruction {
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account,
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owner,
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mango_token_bank: bank,
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mango_token_vault: vault,
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withdraw_amount,
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margin_trade_program_id: margin_trade.program,
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deposit_account: margin_trade.token_account.pubkey(),
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deposit_account_owner: margin_trade.token_account_owner,
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margin_trade_program_ix_cpi_data: {
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let ix = margin_trade::instruction::MarginTrade {
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amount_from: withdraw_amount,
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amount_to: deposit_amount,
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deposit_account_owner_bump_seeds: margin_trade.token_account_bump,
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};
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ix.data()
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},
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},
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)
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.await
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.unwrap();
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}
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assert_eq!(solana.token_account_balance(vault).await, provided_amount);
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assert_eq!(
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solana
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.token_account_balance(margin_trade.token_account.pubkey())
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.await,
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margin_account_initial + withdraw_amount
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);
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// Check that position is fully deactivated
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let account_data: MangoAccount = solana.get_account(account).await;
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assert_eq!(account_data.tokens.iter_active().count(), 0);
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//
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// TEST: Activating a token via margin trade
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//
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let margin_account_initial = solana
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.token_account_balance(margin_trade.token_account.pubkey())
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.await;
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let withdraw_amount = 0;
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let deposit_amount = margin_account_initial;
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{
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send_tx(
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solana,
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MarginTradeInstruction {
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account,
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owner,
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mango_token_bank: bank,
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mango_token_vault: vault,
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withdraw_amount,
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margin_trade_program_id: margin_trade.program,
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deposit_account: margin_trade.token_account.pubkey(),
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deposit_account_owner: margin_trade.token_account_owner,
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margin_trade_program_ix_cpi_data: {
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let ix = margin_trade::instruction::MarginTrade {
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amount_from: withdraw_amount,
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amount_to: deposit_amount,
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deposit_account_owner_bump_seeds: margin_trade.token_account_bump,
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};
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ix.data()
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},
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},
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)
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.await
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.unwrap();
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}
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2022-05-20 01:55:48 -07:00
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assert_eq!(
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solana.token_account_balance(vault).await,
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provided_amount + deposit_amount
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);
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2022-05-19 04:45:46 -07:00
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assert_eq!(
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solana
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.token_account_balance(margin_trade.token_account.pubkey())
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.await,
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0
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);
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assert!(balance_f64eq(
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account_position_f64(solana, account, bank).await,
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deposit_amount as f64
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));
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//
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// TEST: Try loan fees by withdrawing more than the user balance
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//
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let deposit_amount_initial = account_position(solana, account, bank).await as u64;
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let withdraw_amount = 500;
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let deposit_amount = 450;
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{
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send_tx(
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solana,
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MarginTradeInstruction {
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account,
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owner,
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mango_token_bank: bank,
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mango_token_vault: vault,
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withdraw_amount,
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margin_trade_program_id: margin_trade.program,
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deposit_account: margin_trade.token_account.pubkey(),
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deposit_account_owner: margin_trade.token_account_owner,
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margin_trade_program_ix_cpi_data: {
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let ix = margin_trade::instruction::MarginTrade {
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amount_from: withdraw_amount,
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amount_to: deposit_amount,
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deposit_account_owner_bump_seeds: margin_trade.token_account_bump,
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};
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ix.data()
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},
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},
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)
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.await
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.unwrap();
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}
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assert_eq!(
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solana.token_account_balance(vault).await,
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provided_amount + deposit_amount_initial + deposit_amount - withdraw_amount
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);
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assert_eq!(
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solana
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.token_account_balance(margin_trade.token_account.pubkey())
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.await,
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withdraw_amount - deposit_amount
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);
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assert!(balance_f64eq(
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account_position_f64(solana, account, bank).await,
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(deposit_amount_initial + deposit_amount - withdraw_amount) as f64
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- (withdraw_amount - deposit_amount_initial) as f64 * loan_origination_fee
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));
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2022-05-19 04:45:46 -07:00
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2022-03-08 01:23:58 -08:00
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Ok(())
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}
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