difftreelog
Merge pull request #268 from UniqueNetwork/hotfix/inflation_year_fix
in: master
Hotfix/inflation year fix
3 files changed
node/cli/src/chain_spec.rsdiffbeforeafterboth--- a/node/cli/src/chain_spec.rs
+++ b/node/cli/src/chain_spec.rs
@@ -220,6 +220,7 @@
sudo: SudoConfig { key: root_key },
vesting: VestingConfig { vesting: vec![] },
parachain_info: unique_runtime::ParachainInfoConfig { parachain_id: id },
+ parachain_system: Default::default(),
aura: unique_runtime::AuraConfig {
authorities: initial_authorities,
},
pallets/inflation/src/lib.rsdiffbeforeafterboth75 pub type NextRecalculationBlock<T: Config> =75 pub type NextRecalculationBlock<T: Config> =76 StorageValue<Value = T::BlockNumber, QueryKind = ValueQuery>;76 StorageValue<Value = T::BlockNumber, QueryKind = ValueQuery>;7778 /// Relay block when inflation has started79 #[pallet::storage]80 pub type StartBlock<T: Config> = StorageValue<Value = T::BlockNumber, QueryKind = ValueQuery>;778178 #[pallet::hooks]82 #[pallet::hooks]79 impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {83 impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {145 ensure_root(origin)?;149 ensure_root(origin)?;146150147 // Start inflation if it has not been yet initialized151 // Start inflation if it has not been yet initialized148 let next_inflation: T::BlockNumber = <NextInflationBlock<T>>::get();149 if next_inflation == 0u32.into() {152 if <StartBlock<T>>::get() == 0u32.into() {153 // Set inflation global start block154 <StartBlock<T>>::set(inflation_start_relay_block);155150 // Recalculate inflation. This can be backdated and will catch up.156 // Recalculate inflation. This can be backdated and will catch up.151 Self::recalculate_inflation(inflation_start_relay_block);157 Self::recalculate_inflation(inflation_start_relay_block);166172167impl<T: Config> Pallet<T> {173impl<T: Config> Pallet<T> {168 pub fn recalculate_inflation(recalculation_block: T::BlockNumber) {174 pub fn recalculate_inflation(recalculation_block: T::BlockNumber) {169 let current_year: u32 = (recalculation_block / T::BlockNumber::from(YEAR))175 let current_year: u32 = ((recalculation_block - <StartBlock<T>>::get())176 / T::BlockNumber::from(YEAR))170 .try_into()177 .try_into()171 .unwrap_or(0);178 .unwrap_or(0);pallets/inflation/src/tests.rsdiffbeforeafterboth--- a/pallets/inflation/src/tests.rs
+++ b/pallets/inflation/src/tests.rs
@@ -231,6 +231,45 @@
}
#[test]
+fn inflation_start_large_kusama_block() {
+ new_test_ext().execute_with(|| {
+ // Total issuance = 1_000_000_000
+ let initial_issuance: u64 = 1_000_000_000;
+ let start_block: u64 = 10457457;
+ let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
+ assert_eq!(Balances::free_balance(1234), initial_issuance);
+ MockBlockNumberProvider::set(start_block);
+
+ // Start inflation as sudo
+ assert_ok!(Inflation::start_inflation(
+ RawOrigin::Root.into(),
+ start_block
+ ));
+
+ // Go through all the block inflations for year 1,
+ // total issuance will be updated accordingly
+ // Inflation is set to start in block 1, so first iteration is block 101
+ for block in (101..YEAR).step_by(100) {
+ MockBlockNumberProvider::set(start_block + block);
+ Inflation::on_initialize(0);
+ }
+ assert_eq!(
+ initial_issuance + (FIRST_YEAR_BLOCK_INFLATION * (YEAR / 100)),
+ <Balances as Currency<_>>::total_issuance()
+ );
+
+ MockBlockNumberProvider::set(start_block + YEAR + 1);
+ Inflation::on_initialize(0);
+ let block_inflation_year_2 = block_inflation!();
+ // Expected 100-block inflation for year 2: 100 * 9.33% * initial issuance * 110% / YEAR == 1951
+ let expecter_year_2_inflation: u64 = (initial_issuance
+ + FIRST_YEAR_BLOCK_INFLATION * YEAR / 100)
+ * 933 * 100 / (10000 * YEAR);
+ assert_eq!(block_inflation_year_2 / 10, expecter_year_2_inflation / 10); // divide by 10 for approx. equality
+ });
+}
+
+#[test]
fn inflation_after_year_10_is_flat() {
new_test_ext().execute_with(|| {
// Total issuance = 1_000_000_000