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Integration tests: fudge support for the generic environment (#1588)
* Add handle and base env structure * evolving and state support for fudge env * Support Client APIs * simplify test cases * Add spetial fudge methos * Add T to FudgeHandle * sumbmit extrinsic works * use correct nonce * minor Env trait simplification * minor example reorder * fudge support for all runtimes * fix nonce and divide api between submit now and later * minor organization * init tests for loans * fix ongoing loans test * fix compilation * minor renames * restore expect * loan testing in progress * fixed issue with asset_registry * add CurrencyInfo genesis utility * extend loan tests, fix block by seconds * Api from Runtime into an associated type for expliciteness * minor changes * fix and extend loan testing * fix and extend loan testing * remove unused pallet sudo addition
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| use cfg_primitives::{Balance, CollectionId, ItemId, PoolId, SECONDS_PER_YEAR}; | ||
| use cfg_traits::{ | ||
| interest::{CompoundingSchedule, InterestRate}, | ||
| Seconds, TimeAsSecs, | ||
| }; | ||
| use cfg_types::permissions::PoolRole; | ||
| use frame_support::traits::Get; | ||
| use pallet_loans::{ | ||
| entities::{ | ||
| input::PrincipalInput, | ||
| loans::LoanInfo, | ||
| pricing::{ | ||
| internal::{InternalPricing, MaxBorrowAmount as IntMaxBorrowAmount}, | ||
| Pricing, | ||
| }, | ||
| }, | ||
| types::{ | ||
| valuation::ValuationMethod, BorrowRestrictions, InterestPayments, LoanRestrictions, | ||
| Maturity, PayDownSchedule, RepayRestrictions, RepaymentSchedule, | ||
| }, | ||
| }; | ||
| use runtime_common::apis::runtime_decl_for_PoolsApi::PoolsApiV1; | ||
|
|
||
| use crate::{ | ||
| generic::{ | ||
| environment::{Blocks, Env}, | ||
| envs::runtime_env::RuntimeEnv, | ||
| runtime::Runtime, | ||
| utils::{ | ||
| self, | ||
| genesis::{ | ||
| self, | ||
| currency::{cfg, usd6, CurrencyInfo, Usd6}, | ||
| Genesis, | ||
| }, | ||
| POOL_MIN_EPOCH_TIME, | ||
| }, | ||
| }, | ||
| utils::{accounts::Keyring, tokens::rate_from_percent}, | ||
| }; | ||
|
|
||
| const POOL_ADMIN: Keyring = Keyring::Admin; | ||
| const INVESTOR: Keyring = Keyring::Alice; | ||
| const BORROWER: Keyring = Keyring::Bob; | ||
|
|
||
| const POOL_A: PoolId = 23; | ||
| const NFT_A: (CollectionId, ItemId) = (1, ItemId(10)); | ||
|
|
||
| const FOR_FEES: Balance = cfg(1); | ||
| const EXPECTED_POOL_BALANCE: Balance = usd6(1_000_000); | ||
| const COLLATERAL_VALUE: Balance = usd6(100_000); | ||
|
|
||
| fn initialize_state_for_loans<Environment: Env<T>, T: Runtime>() -> Environment { | ||
| let mut env = Environment::from_storage( | ||
| Genesis::<T>::default() | ||
| .add(genesis::balances(T::ExistentialDeposit::get() + FOR_FEES)) | ||
| .add(genesis::assets(vec![Usd6::ID])) | ||
| .add(genesis::tokens(vec![(Usd6::ID, Usd6::ED)])) | ||
| .storage(), | ||
| ); | ||
|
|
||
| env.state_mut(|| { | ||
| // Creating a pool | ||
| utils::give_balance::<T>(POOL_ADMIN.id(), T::PoolDeposit::get()); | ||
| utils::create_empty_pool::<T>(POOL_ADMIN.id(), POOL_A, Usd6::ID); | ||
|
|
||
| // Funding a pool | ||
| let tranche_id = T::Api::tranche_id(POOL_A, 0).unwrap(); | ||
| let tranche_investor = PoolRole::TrancheInvestor(tranche_id, Seconds::MAX); | ||
| utils::give_pool_role::<T>(INVESTOR.id(), POOL_A, tranche_investor); | ||
| utils::give_tokens::<T>(INVESTOR.id(), Usd6::ID, EXPECTED_POOL_BALANCE); | ||
| utils::invest::<T>(INVESTOR.id(), POOL_A, tranche_id, EXPECTED_POOL_BALANCE); | ||
| }); | ||
|
|
||
| env.pass(Blocks::BySeconds(POOL_MIN_EPOCH_TIME)); | ||
|
|
||
| env.state_mut(|| { | ||
| // New epoch with the investor funds available | ||
| utils::close_pool_epoch::<T>(POOL_ADMIN.id(), POOL_A); | ||
|
|
||
| // Preparing borrower | ||
| utils::give_pool_role::<T>(BORROWER.id(), POOL_A, PoolRole::Borrower); | ||
| utils::give_nft::<T>(BORROWER.id(), NFT_A); | ||
| }); | ||
|
|
||
| env | ||
| } | ||
|
|
||
| fn internal_priced_loan<T: Runtime>(now: Seconds) -> LoanInfo<T> { | ||
| LoanInfo { | ||
| schedule: RepaymentSchedule { | ||
| maturity: Maturity::Fixed { | ||
| date: now + SECONDS_PER_YEAR, | ||
| extension: SECONDS_PER_YEAR / 2, | ||
| }, | ||
| interest_payments: InterestPayments::None, | ||
| pay_down_schedule: PayDownSchedule::None, | ||
| }, | ||
| interest_rate: InterestRate::Fixed { | ||
| rate_per_year: rate_from_percent(20), | ||
| compounding: CompoundingSchedule::Secondly, | ||
| }, | ||
| collateral: NFT_A, | ||
| pricing: Pricing::Internal(InternalPricing { | ||
| collateral_value: COLLATERAL_VALUE, | ||
| max_borrow_amount: IntMaxBorrowAmount::UpToTotalBorrowed { | ||
| advance_rate: rate_from_percent(100), | ||
| }, | ||
| valuation_method: ValuationMethod::OutstandingDebt, | ||
| }), | ||
| restrictions: LoanRestrictions { | ||
| borrows: BorrowRestrictions::NotWrittenOff, | ||
| repayments: RepayRestrictions::None, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| fn borrow<T: Runtime>() { | ||
| let mut env = initialize_state_for_loans::<RuntimeEnv<T>, T>(); | ||
|
|
||
| let info = env.state(|| { | ||
| let now = <pallet_timestamp::Pallet<T> as TimeAsSecs>::now(); | ||
| internal_priced_loan::<T>(now) | ||
| }); | ||
|
|
||
| env.submit_now( | ||
| BORROWER, | ||
| pallet_loans::Call::create { | ||
| pool_id: POOL_A, | ||
| info, | ||
| }, | ||
| ) | ||
| .unwrap(); | ||
|
|
||
| let loan_id = env | ||
| .find_event(|e| match e { | ||
| pallet_loans::Event::<T>::Created { loan_id, .. } => Some(loan_id), | ||
| _ => None, | ||
| }) | ||
| .unwrap(); | ||
|
|
||
| env.submit_now( | ||
| BORROWER, | ||
| pallet_loans::Call::borrow { | ||
| pool_id: POOL_A, | ||
| loan_id, | ||
| amount: PrincipalInput::Internal(COLLATERAL_VALUE / 2), | ||
| }, | ||
| ) | ||
| .unwrap(); | ||
| } | ||
|
|
||
| crate::test_for_runtimes!(all, borrow); |
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