101 lines
3.4 KiB
Rust
101 lines
3.4 KiB
Rust
#![cfg(feature = "test-bpf")]
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mod helpers;
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use helpers::*;
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use solana_program_test::*;
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use solana_sdk::{pubkey::Pubkey, signature::Keypair};
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use spl_token_lending::{
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instruction::BorrowAmountType, processor::process_instruction, state::INITIAL_COLLATERAL_RATE,
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};
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const LAMPORTS_TO_SOL: u64 = 1_000_000_000;
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const FRACTIONAL_TO_USDC: u64 = 1_000_000;
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// Market and collateral are setup to fill two orders in the dex market at an average
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// price of 2210.5
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const fn lamports_to_usdc_fractional(lamports: u64) -> u64 {
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lamports / LAMPORTS_TO_SOL * (2210 + 2211) / 2 * FRACTIONAL_TO_USDC / 1000
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}
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const INITIAL_SOL_RESERVE_SUPPLY_LAMPORTS: u64 = 42_500 * LAMPORTS_TO_SOL;
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const INITIAL_USDC_RESERVE_SUPPLY_FRACTIONAL: u64 =
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lamports_to_usdc_fractional(INITIAL_SOL_RESERVE_SUPPLY_LAMPORTS);
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const USER_SOL_COLLATERAL_LAMPORTS: u64 = 8_500 * LAMPORTS_TO_SOL;
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#[tokio::test]
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async fn test_success() {
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let mut test = ProgramTest::new(
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"spl_token_lending",
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spl_token_lending::id(),
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processor!(process_instruction),
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);
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let user_accounts_owner = Keypair::new();
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let sol_usdc_dex_market =
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TestDexMarket::setup(&mut test, "sol_usdc", SOL_USDC_BIDS, SOL_USDC_ASKS);
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let usdc_mint = add_usdc_mint(&mut test);
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let lending_market = add_lending_market(&mut test, usdc_mint.pubkey);
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let usdc_reserve = add_reserve(
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&mut test,
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&user_accounts_owner,
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&lending_market,
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AddReserveArgs {
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liquidity_amount: INITIAL_USDC_RESERVE_SUPPLY_FRACTIONAL,
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liquidity_mint_pubkey: usdc_mint.pubkey,
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liquidity_mint_decimals: usdc_mint.decimals,
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config: TEST_RESERVE_CONFIG,
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..AddReserveArgs::default()
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},
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);
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let sol_reserve = add_reserve(
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&mut test,
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&user_accounts_owner,
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&lending_market,
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AddReserveArgs {
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dex_market_pubkey: Some(sol_usdc_dex_market.pubkey),
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liquidity_amount: INITIAL_SOL_RESERVE_SUPPLY_LAMPORTS,
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liquidity_mint_pubkey: spl_token::native_mint::id(),
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liquidity_mint_decimals: 9,
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config: TEST_RESERVE_CONFIG,
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..AddReserveArgs::default()
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},
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);
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let (mut banks_client, payer, _recent_blockhash) = test.start().await;
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let obligation = lending_market
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.borrow(
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&mut banks_client,
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&payer,
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BorrowArgs {
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deposit_reserve: &sol_reserve,
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borrow_reserve: &usdc_reserve,
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dex_market: &sol_usdc_dex_market,
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borrow_amount_type: BorrowAmountType::CollateralDepositAmount,
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amount: INITIAL_COLLATERAL_RATE * USER_SOL_COLLATERAL_LAMPORTS / 2,
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user_accounts_owner: &user_accounts_owner,
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obligation: None,
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},
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)
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.await;
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lending_market
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.borrow(
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&mut banks_client,
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&payer,
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BorrowArgs {
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deposit_reserve: &sol_reserve,
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borrow_reserve: &usdc_reserve,
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dex_market: &sol_usdc_dex_market,
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borrow_amount_type: BorrowAmountType::CollateralDepositAmount,
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amount: INITIAL_COLLATERAL_RATE * USER_SOL_COLLATERAL_LAMPORTS / 2,
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user_accounts_owner: &user_accounts_owner,
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obligation: Some(obligation),
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},
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)
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.await;
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}
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