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fix: save graced contracts total amount due #631

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merged 5 commits into from
Mar 9, 2023
Merged

fix: save graced contracts total amount due #631

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a60ebda
fix: save graced contracts total amount due
DylanVerstraete Mar 8, 2023
d008d91
improve check for graced contract
DylanVerstraete Mar 8, 2023
5d73100
chore: refactor
DylanVerstraete Mar 9, 2023
8f27a2d
chore: improve flow
DylanVerstraete Mar 9, 2023
af0a2d5
chore: remove comment
DylanVerstraete Mar 9, 2023
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24 changes: 11 additions & 13 deletions substrate-node/pallets/pallet-smart-contract/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1132,17 +1132,11 @@ impl<T: Config> Pallet<T> {
pallet_tfgrid::Twins::<T>::get(contract.twin_id).ok_or(Error::<T>::TwinNotExists)?;
let usable_balance = Self::get_usable_balance(&twin.account_id);

let mut seconds_elapsed = BillingFrequency::<T>::get() * 6;
// Calculate amount of seconds elapsed based on the contract lock struct

let now = <timestamp::Pallet<T>>::get().saturated_into::<u64>() / 1000;
// this will set the seconds elapsed to the default billing cycle duration in seconds
// if there is no contract lock object yet. A contract lock object will be created later in this function
// https://github.com/threefoldtech/tfchain/issues/261

// Calculate amount of seconds elapsed based on the contract lock struct
let contract_lock = ContractLock::<T>::get(contract.contract_id);
if contract_lock.lock_updated != 0 {
seconds_elapsed = now.checked_sub(contract_lock.lock_updated).unwrap_or(0);
}
let seconds_elapsed = now.checked_sub(contract_lock.lock_updated).unwrap_or(0);

let (amount_due, discount_received) =
contract.calculate_contract_cost_tft(usable_balance, seconds_elapsed)?;
Expand All @@ -1156,17 +1150,21 @@ impl<T: Config> Pallet<T> {
};

// Handle grace
let contract = Self::handle_grace(&mut contract, usable_balance, amount_due)?;
let contract = Self::handle_grace(
&mut contract,
usable_balance,
contract_lock.amount_locked + amount_due,
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)?;

// Handle contract lock operations
Self::handle_lock(contract, amount_due)?;
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// If still in grace period, no need to continue doing locking and other stuff
if matches!(contract.state, types::ContractState::GracePeriod(_)) {
log::debug!("contract {} is still in grace", contract.contract_id);
return Ok(().into());
}

// Handle contract lock operations
Self::handle_lock(contract, amount_due)?;

// Always emit a contract billed event
let contract_bill = types::ContractBill {
contract_id: contract.contract_id,
Expand Down
15 changes: 10 additions & 5 deletions substrate-node/pallets/pallet-smart-contract/src/tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1829,7 +1829,11 @@ fn test_rent_contract_canceled_due_to_out_of_funds_should_cancel_node_contracts_
// check_report_cost(1, 3, amount_due_as_u128, 12, discount_received);

let our_events = System::events();
assert_eq!(our_events.len(), 10);
assert_eq!(our_events.len(), 21);

for e in our_events.clone() {
log::info!("event: {:?}", e);
}

assert_eq!(
our_events[5],
Expand All @@ -1855,7 +1859,7 @@ fn test_rent_contract_canceled_due_to_out_of_funds_should_cancel_node_contracts_
);

assert_eq!(
our_events[8],
our_events[19],
record(MockEvent::SmartContractModule(SmartContractEvent::<
TestRuntime,
>::NodeContractCanceled {
Expand All @@ -1865,7 +1869,7 @@ fn test_rent_contract_canceled_due_to_out_of_funds_should_cancel_node_contracts_
}))
);
assert_eq!(
our_events[9],
our_events[20],
record(MockEvent::SmartContractModule(SmartContractEvent::<
TestRuntime,
>::RentContractCanceled {
Expand Down Expand Up @@ -3216,9 +3220,10 @@ fn validate_distribution_rewards(
} else {
// 50% is sent to the sales account
let sales_account_balance = Balances::free_balance(&pricing_policy.certified_sales_account);
assert_eq!(
assert_eq_error_rate!(
sales_account_balance,
Perbill::from_percent(50) * total_amount_billed
Perbill::from_percent(50) * total_amount_billed,
1
);
}

Expand Down