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226
integration-tests/src/tests/evaluator_slash_sideffects.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,226 @@ | ||
| use crate::{tests::defaults::*, *}; | ||
| use frame_support::{ | ||
| traits::{ | ||
| fungible::Mutate, | ||
| }, | ||
| }; | ||
| use frame_system::{pallet_prelude::BlockNumberFor, Account}; | ||
| use macros::generate_accounts; | ||
| use pallet_balances::AccountData; | ||
| use pallet_funding::*; | ||
| use pallet_vesting::VestingInfo; | ||
| use polimec_common::{USD_UNIT}; | ||
| use polimec_runtime::PLMC; | ||
| use sp_arithmetic::Perquintill; | ||
| use sp_runtime::{ | ||
| FixedU128, | ||
| MultiAddress::Id, | ||
| }; | ||
|
|
||
| generate_accounts!(STASH, ALICE, BOB, CHARLIE, DAVE, ISSUER); | ||
|
|
||
| #[test] | ||
| fn evaluator_slash_reduces_vesting_schedules() { | ||
| // set plmc price to 1 usd | ||
| polimec::set_prices(None, None, None, Some(FixedU128::from_float(1.0))); | ||
|
|
||
| let mut inst = IntegrationInstantiator::new(None); | ||
| let alice: PolimecAccountId = ALICE.into(); | ||
| let bob: PolimecAccountId = BOB.into(); | ||
|
|
||
| PolimecNet::execute_with(|| { | ||
| // Account that does the vested transfers (i.e. treasury) | ||
| PolimecBalances::set_balance(&STASH.into(), 1_000_000 * PLMC); | ||
| // For alice, we try to slash 4 schedules, each with a different duration and amount. | ||
| // One schedule should dissapear to due being fully vested before the slash, the other ones should be modified | ||
| PolimecBalances::set_balance(&alice.clone(), 0); | ||
| // For bob, we try to slash 1 schedule, which makes it dissapear since the slash amount is higher than the amount remaining for vesting | ||
| PolimecBalances::set_balance(&bob.clone(), BOB_STARTING_BALANCE); | ||
|
|
||
| let slash_percent = <PolimecRuntime as pallet_funding::Config>::EvaluatorSlash::get(); | ||
|
|
||
| const BOB_STARTING_BALANCE: u128 = 100_000 * PLMC; | ||
| const LOCK_1: u128 = 10_000 * PLMC; | ||
| const LOCK_2: u128 = 13_000 * PLMC; | ||
| const LOCK_3: u128 = 7_500 * PLMC; | ||
| const LOCK_4: u128 = 20_000 * PLMC; | ||
| const PER_BLOCK_1: u128 = 10 * PLMC; | ||
| const PER_BLOCK_2: u128 = 650 * PLMC; | ||
| const PER_BLOCK_3: u128 = 5 * PLMC; | ||
| const PER_BLOCK_4: u128 = 200 * PLMC; | ||
| const DURATION_1: u128 = LOCK_1 / PER_BLOCK_1; | ||
| const DURATION_3: u128 = LOCK_3 / PER_BLOCK_3; | ||
| const DURATION_4: u128 = LOCK_4 / PER_BLOCK_4; | ||
|
|
||
| // Duration 1000 blocks | ||
| let vesting_info_1 = VestingInfo::new(LOCK_1, PER_BLOCK_1, 5); | ||
| // Duration 20 blocks | ||
| let vesting_info_2 = VestingInfo::new(LOCK_2, PER_BLOCK_2, 5); | ||
| // Duration 1500 blocks | ||
| let vesting_info_3 = VestingInfo::new(LOCK_3, PER_BLOCK_3, 5); | ||
| // Duration 100 blocks | ||
| let vesting_info_4 = VestingInfo::new(LOCK_4, PER_BLOCK_4, 5); | ||
|
|
||
| let total_alice_transferred = LOCK_1 + LOCK_2 + LOCK_3 + LOCK_4; | ||
| assert_ok!(PolimecVesting::vested_transfer( | ||
| PolimecOrigin::signed(STASH.into()), | ||
| Id(alice.clone()), | ||
| vesting_info_1 | ||
| )); | ||
| assert_ok!(PolimecVesting::vested_transfer( | ||
| PolimecOrigin::signed(STASH.into()), | ||
| Id(alice.clone()), | ||
| vesting_info_2 | ||
| )); | ||
| assert_ok!(PolimecVesting::vested_transfer( | ||
| PolimecOrigin::signed(STASH.into()), | ||
| Id(alice.clone()), | ||
| vesting_info_3 | ||
| )); | ||
| assert_ok!(PolimecVesting::vested_transfer( | ||
| PolimecOrigin::signed(STASH.into()), | ||
| Id(alice.clone()), | ||
| vesting_info_4 | ||
| )); | ||
|
|
||
| let alice_evaluation = UserToUSDBalance::<PolimecRuntime>::new(alice.clone(), 35_000 * USD_UNIT); | ||
| let alice_plmc_evaluated = | ||
| inst.calculate_evaluation_plmc_spent(vec![alice_evaluation.clone()], false)[0].plmc_amount; | ||
| let alice_slashed = slash_percent * alice_plmc_evaluated; | ||
|
|
||
| const BOB_EVALUATION: u128 = 60_000; | ||
| // We want the amount to be slashed to be higher than the amount remaining for vesting, after unlocking some tokens | ||
| let lock_5: u128 = ((slash_percent * BOB_EVALUATION) * PLMC) + PER_BLOCK_5 * 10; | ||
| const PER_BLOCK_5: u128 = 100 * PLMC; | ||
| let vesting_info_5 = VestingInfo::new(lock_5, PER_BLOCK_5, 5); | ||
|
|
||
| assert_ok!(PolimecVesting::vested_transfer( | ||
| PolimecOrigin::signed(STASH.into()), | ||
| Id(bob.clone()), | ||
| vesting_info_5 | ||
| )); | ||
| let bob_evaluation = UserToUSDBalance::<PolimecRuntime>::new(bob.clone(), BOB_EVALUATION * USD_UNIT); | ||
| let bob_plmc_evaluated = | ||
| inst.calculate_evaluation_plmc_spent(vec![bob_evaluation.clone()], false)[0].plmc_amount; | ||
| let bob_slashed = slash_percent * bob_plmc_evaluated; | ||
|
|
||
| // Set metadata so 50k USD succeeds the evaluation round | ||
| let mut project_metadata = default_project_metadata(ISSUER.into()); | ||
| project_metadata.total_allocation_size = 5_000 * CT_UNIT; | ||
|
|
||
| // Create a project where alice and bob evaluated making the round successful, but then the project fails funding at block 25. | ||
| let project_id = inst.create_evaluating_project(project_metadata, ISSUER.into(), None); | ||
| assert_ok!(inst.evaluate_for_users(project_id, vec![alice_evaluation.clone(), bob_evaluation.clone()])); | ||
| assert_eq!(ProjectStatus::AuctionRound, inst.go_to_next_state(project_id)); | ||
| assert!(matches!(inst.go_to_next_state(project_id), ProjectStatus::CommunityRound(_))); | ||
| assert_eq!(ProjectStatus::FundingFailed, inst.go_to_next_state(project_id)); | ||
| assert_eq!(ProjectStatus::SettlementStarted(FundingOutcome::Failure), inst.go_to_next_state(project_id)); | ||
| assert_eq!(inst.current_block(), BlockNumberFor::<PolimecRuntime>::from(25u32)); | ||
|
|
||
| // All schedules start at block 5, and funding ended at block 25 | ||
| const TIME_PASSED: u128 = 20u128; | ||
|
|
||
| let alice_account_data = Account::<PolimecRuntime>::get(&alice.clone()).data; | ||
| assert_eq!( | ||
| alice_account_data, | ||
| AccountData { | ||
| free: total_alice_transferred - alice_plmc_evaluated, | ||
| reserved: alice_plmc_evaluated, | ||
| frozen: total_alice_transferred, | ||
| flags: Default::default(), | ||
| } | ||
| ); | ||
| assert_eq!(PolimecBalances::usable_balance(alice.clone()), 0); | ||
|
|
||
| // vest schedule 2 was fully vested | ||
| assert_ok!(PolimecVesting::vest(PolimecOrigin::signed(alice.clone()))); | ||
| let alice_account_data = Account::<PolimecRuntime>::get(&alice.clone()).data; | ||
| let vested = (PER_BLOCK_1 + PER_BLOCK_2 + PER_BLOCK_3 + PER_BLOCK_4) * TIME_PASSED; | ||
|
|
||
| let free = total_alice_transferred - alice_plmc_evaluated; | ||
| let reserved = alice_plmc_evaluated; | ||
| let frozen = total_alice_transferred - vested; | ||
|
|
||
| // `untouchable` is the amount we need to substract from the free balance to get the usable balance. | ||
| // When the reserved amount is higher than the frozen amount, it means that the frozen balance restriction is fully covered by the already reserved tokens | ||
| // When the frozen amount is higher, it means we need to use some free tokens to cover this restriction. | ||
| // This amount can never be below the existential deposit. | ||
| let untouchable = frozen.saturating_sub(reserved).max(inst.get_ed()); | ||
|
|
||
| assert_eq!(alice_account_data, AccountData { free, reserved, frozen, flags: Default::default() }); | ||
| assert_eq!(PolimecBalances::usable_balance(alice.clone()), free - untouchable); | ||
|
|
||
| assert_ok!(PolimecFunding::settle_evaluation( | ||
| PolimecOrigin::signed(alice.clone()), | ||
| project_id, | ||
| alice.clone(), | ||
| 0 | ||
| )); | ||
|
|
||
| let alice_schedules = <pallet_vesting::Vesting<PolimecRuntime>>::get(alice.clone()).unwrap().to_vec(); | ||
| let new_lock_1 = LOCK_1 - (PER_BLOCK_1 * TIME_PASSED) - alice_slashed; | ||
| let new_lock_3 = LOCK_3 - (PER_BLOCK_3 * TIME_PASSED) - alice_slashed; | ||
| let new_lock_4 = LOCK_4 - (PER_BLOCK_4 * TIME_PASSED) - alice_slashed; | ||
| const TIME_REMAINING_1: u128 = DURATION_1 - TIME_PASSED; | ||
| const TIME_REMAINING_3: u128 = DURATION_3 - TIME_PASSED; | ||
| const TIME_REMAINING_4: u128 = DURATION_4 - TIME_PASSED; | ||
| let new_per_block_1 = new_lock_1 / TIME_REMAINING_1; | ||
| let new_per_block_3 = new_lock_3 / TIME_REMAINING_3; | ||
| let new_per_block_4 = new_lock_4 / TIME_REMAINING_4; | ||
|
|
||
| let alice_account_data = Account::<PolimecRuntime>::get(&alice.clone()).data; | ||
| let free = free + alice_plmc_evaluated - alice_slashed; | ||
| let frozen = new_lock_1 + new_lock_3 + new_lock_4; | ||
| let reserved = 0u128; | ||
| let untouchable = frozen.saturating_sub(reserved).max(inst.get_ed()); | ||
|
|
||
| assert_eq!( | ||
| alice_schedules, | ||
| vec![ | ||
| VestingInfo::new(new_lock_1, new_per_block_1, 25), | ||
| VestingInfo::new(new_lock_3, new_per_block_3, 25), | ||
| VestingInfo::new(new_lock_4, new_per_block_4, 25), | ||
| ] | ||
| ); | ||
| assert_eq!(alice_account_data, AccountData { free, reserved, frozen, flags: Default::default() }); | ||
| assert_eq!(PolimecBalances::usable_balance(alice.clone()), free - untouchable); | ||
|
|
||
| let bob_account_data = Account::<PolimecRuntime>::get(&bob.clone()).data; | ||
| let free = BOB_STARTING_BALANCE + lock_5 - bob_plmc_evaluated; | ||
| let reserved = bob_plmc_evaluated; | ||
| let frozen = lock_5; | ||
| assert_eq!(bob_account_data, AccountData { free, reserved, frozen, flags: Default::default() }); | ||
| let untouchable = frozen.saturating_sub(reserved).max(inst.get_ed()); | ||
| assert_eq!(PolimecBalances::usable_balance(bob.clone()), free - untouchable); | ||
|
|
||
| // Schedule has some tokens vested, and the remaining locked amount is lower than the slash about to occur | ||
| assert_ok!(PolimecVesting::vest(PolimecOrigin::signed(bob.clone()))); | ||
| let bob_account_data = Account::<PolimecRuntime>::get(&bob.clone()).data; | ||
| let vested = PER_BLOCK_5 * TIME_PASSED; | ||
|
|
||
| let free = BOB_STARTING_BALANCE + lock_5 - bob_plmc_evaluated; | ||
| let reserved = bob_plmc_evaluated; | ||
| let frozen = lock_5 - vested; | ||
| let untouchable = frozen.saturating_sub(reserved).max(inst.get_ed()); | ||
| assert_eq!(bob_account_data, AccountData { free, reserved, frozen, flags: Default::default() }); | ||
| assert_eq!(PolimecBalances::usable_balance(bob.clone()), free - untouchable); | ||
|
|
||
| // Here the slash amount is higher than the amount remaining for vesting, so the schedule should dissapear | ||
| assert_ok!(PolimecFunding::settle_evaluation(PolimecOrigin::signed(bob.clone()), project_id, bob.clone(), 1)); | ||
| assert!(bob_slashed > lock_5 - vested && bob_slashed < lock_5); | ||
|
|
||
| assert!(<pallet_vesting::Vesting<PolimecRuntime>>::get(bob.clone()).is_none()); | ||
| let bob_account_data = Account::<PolimecRuntime>::get(&bob.clone()).data; | ||
| let free = free + bob_plmc_evaluated - bob_slashed; | ||
| let frozen = 0u128; | ||
| let reserved = 0u128; | ||
| let untouchable = frozen.saturating_sub(reserved).max(inst.get_ed()); | ||
|
|
||
| assert_eq!(bob_account_data, AccountData { free, reserved, frozen, flags: Default::default() }); | ||
| assert_close_enough!( | ||
| PolimecBalances::usable_balance(bob.clone()), | ||
| free - untouchable, | ||
| Perquintill::from_float(0.999) | ||
| ); | ||
| }); | ||
| } |
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