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5 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Liam Aharon
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46090ff114 |
Unbalanced and Balanced fungible conformance tests, and fungible fixes (#1296)
Original PR https://github.com/paritytech/substrate/pull/14655 --- Partial https://github.com/paritytech/polkadot-sdk/issues/225 - [x] Adds conformance tests for Unbalanced - [x] Adds conformance tests for Balanced - Several minor fixes to fungible default implementations and the Balances pallet - [x] `Unbalanced::decrease_balance` can reap account when `Preservation` is `Preserve` - [x] `Balanced::pair` can return pairs of imbalances which do not cancel each other out - [x] Balances pallet `active_issuance` 'underflow' - [x] Refactors the conformance test file structure to match the fungible file structure: tests for traits in regular.rs go into a test file named regular.rs, tests for traits in freezes.rs go into a test file named freezes.rs, etc. - [x] Improve doc comments - [x] Simplify macros ## Fixes ### `Unbalanced::decrease_balance` can reap account when called with `Preservation::Preserve` There is a potential issue in the default implementation of `Unbalanced::decrease_balance`. The implementation can delete an account even when it is called with `preservation: Preservation::Preserve`. This seems to contradict the documentation of `Preservation::Preserve`: ```rust /// The account may not be killed and our provider reference must remain (in the context of /// tokens, this means that the account may not be dusted). Preserve, ``` I updated `Unbalanced::decrease_balance` to return `Err(TokenError::BelowMinimum)` when a withdrawal would cause the account to be reaped and `preservation: Preservation::Preserve`. - [ ] TODO Confirm with @gavofyork that this is correct behavior Test for this behavior: https://github.com/paritytech/polkadot-sdk/blob/e5c876dd6b59e2b7dbacaa4538cb42c802db3730/substrate/frame/support/src/traits/tokens/fungible/conformance_tests/regular.rs#L912-L937 ### `Balanced::pair` returning non-canceling pairs `Balanced::pair` is supposed to create a pair of imbalances that cancel each other out. However this is not the case when the method is called with an amount greater than the total supply. In the existing default implementation, `Balanced::pair` creates a pair by first rescinding the balance, creating `Debt`, and then issuing the balance, creating `Credit`. When creating `Debt`, if the amount to create exceeds the `total_supply`, `total_supply` units of `Debt` are created *instead* of `amount` units of `Debt`. This can lead to non-canceling amount of `Credit` and `Debt` being created. To address this, I create the credit and debt directly in the method instead of calling `issue` and `rescind`. Test for this behavior: https://github.com/paritytech/polkadot-sdk/blob/e5c876dd6b59e2b7dbacaa4538cb42c802db3730/substrate/frame/support/src/traits/tokens/fungible/conformance_tests/regular.rs#L1323-L1346 ### `Balances` pallet `active_issuance` 'underflow' This PR resolves an issue in the `Balances` pallet that can lead to odd behavior of `active_issuance`. Currently, the Balances pallet doesn't check if `InactiveIssuance` remains less than or equal to `TotalIssuance` when supply is deactivated. This allows `InactiveIssuance` to be greater than `TotalIssuance`, which can result in unexpected behavior from the perspective of the fungible API. `active_issuance` is derived from `TotalIssuance.saturating_sub(InactiveIssuance)`. If an `amount` is deactivated that causes `InactiveIssuance` to become greater TotalIssuance, `active_issuance` will return 0. However once in that state, reactivating an amount will not increase `active_issuance` by the reactivated `amount` as expected. Consider this test where the last assertion would fail due to this issue: https://github.com/paritytech/polkadot-sdk/blob/e5c876dd6b59e2b7dbacaa4538cb42c802db3730/substrate/frame/support/src/traits/tokens/fungible/conformance_tests/regular.rs#L1036-L1071 To address this, I've modified the `deactivate` function to ensure `InactiveIssuance` never surpasses `TotalIssuance`. --------- Co-authored-by: Muharem <ismailov.m.h@gmail.com> |
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Muharem
|
0b74812ce8 |
UnionOf types for merged fungible and fungibles implementations (#2033)
Introduces `UnionOf` types, crafted to merge `fungible` and `fungibles` implementations or two `fungibles` implementations into a single type implementing `fungibles`. This also addresses an issue where `ItemOf` initiates a double drop for an imbalance type, leading to inaccurate total issuance accounting. Find the application of these types in this PR - [link](https://github.com/paritytech/polkadot-sdk/pull/2031), places in code - [1](https://github.com/paritytech/polkadot-sdk/blob/4ec7496fa2632385b08fae860fcf28a523a7b5de/cumulus/parachains/runtimes/assets/asset-hub-kusama/src/lib.rs#L327), [2](https://github.com/paritytech/polkadot-sdk/blob/4ec7496fa2632385b08fae860fcf28a523a7b5de/cumulus/parachains/runtimes/assets/asset-hub-kusama/src/lib.rs#L343). --------- Co-authored-by: Liam Aharon <liam.aharon@hotmail.com> Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com> Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> Co-authored-by: joepetrowski <joe@parity.io> |
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Przemek Rzad
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bfb241d7f3 |
Add missing licenses and tune the scanning workflow (#1288)
* Add missing Cumulus licenses * Typo * Add missing Substrate licenses * Single job checking the sub-repos in steps * Remove dates * Remove dates * Add missing (C) * Update FRAME UI tests Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Update more UI tests Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> --------- Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> |
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Bastian Köcher
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05da6d8e84 |
HoldReason: Improve usage (#13869)
* HoldReason: Improve usage `HoldReason` was switched recently to use the `composite_enum` attribute that will merge the enums from all pallets in the runtime to `RuntimeHoldReason`. `pallet-nis` was still requiring that the variant was passed as constant to call `hold`. The proper implementation is to use the `HoldReason` from inside the pallet directly when calling `hold`. This is done by adding a `RuntimeHoldReason` as type to the `Config` trait and requiring that `Currency` is using the same reason. Besides that the pr changes the name `HoldIdentifier` in `pallet_balances::Config` to `RuntimeHoldReason`. * Update frame/nis/src/lib.rs Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Review comment * Fixes --------- Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> |
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Gavin Wood
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5d81f23f8f |
Deprecate Currency; introduce holds and freezing into fungible traits (#12951)
* First reworking of fungibles API * New API and docs * More fungible::* API improvements * New ref-counting logic for old API * Missing files * Fixes * Use the new transfer logic * Use fungibles for the dispatchables * Use shelve/restore names * Locking works with total balance. * repotting and removal * Separate Holds from Reserves * Introduce freezes * Missing files * Tests for freezing * Fix hold+freeze combo * More tests * Fee-free dispatchable for upgrading accounts * Benchmarks and a few fixes * Another test * Docs and refactor to avoid blanket impls * Repot * Fit out ItemOf fully * Add events to Balanced traits * Introduced events into Hold traits * Fix Assets pallet tests * Assets benchmarks pass * Missing files and fixes * Fixes * Fixes * Benchmarks fixes * Fix balance benchmarks * Formatting * Expose fungible sub modules * Move NIS to fungible API * Fix broken impl and add test * Fix tests * API for `transfer_and_hold` * Use composite APIs * Formatting * Upgraded event * Fixes * Fixes * Fixes * Fixes * Repot tests and some fixed * Fix some bits * Fix dust tests * Rename `set_balance` - `Balances::set_balance` becomes `Balances::force_set_balance` - `Unbalanced::set_balance` becomes `Unbalances::write_balance` * becomes * Move dust handling to fungibles API * Formatting * Fixes and more refactoring * Fixes * Fixes * Fixes * Fixes * Fixes * Fixes * Fixes * Fixes * Fixes * Use reducible_balance for better correctness on fees * Reducing hold to zero should remove entry. * Add test * Docs * Update frame/support/src/traits/tokens/fungibles/hold.rs Co-authored-by: Muharem Ismailov <ismailov.m.h@gmail.com> * Update frame/support/src/traits/tokens/fungibles/regular.rs Co-authored-by: Muharem Ismailov <ismailov.m.h@gmail.com> * Update frame/support/src/traits/tokens/fungible/hold.rs Co-authored-by: Muharem Ismailov <ismailov.m.h@gmail.com> * Update frame/support/src/traits/tokens/fungible/regular.rs Co-authored-by: Muharem Ismailov <ismailov.m.h@gmail.com> * Docs * Docs * Docs * Fix NIS benchmarks * Doc comment * Remove post_mutation * Fix some tests * Fix some grumbles * Enumify bool args to fungible(s) functions * Fix up assets and balances * Formatting * Fix contracts * Fix tests & benchmarks build * Typify minted boolean arg * Typify on_hold boolean arg; renames * Fix numerous tests * Fix dependency issue * Privatize dangerous API mutate_account * Fix contracts (@alext - please check this commit) * Remove println * Fix tests for contracts * Fix broken rename * Fix broken rename * Fix broken rename * Docs * Update frame/support/src/traits/tokens/fungible/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * remove from_ref_time * Update frame/executive/src/lib.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/executive/src/lib.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Reenable test * Update frame/support/src/traits/tokens/fungibles/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungible/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungible/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungible/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/currency.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/lottery/src/tests.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungible/mod.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungible/regular.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungibles/freeze.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungible/regular.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungibles/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungibles/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Update frame/support/src/traits/tokens/fungibles/hold.rs Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> * Rename UnwantedRemoval to UnwantedAccountRemoval * Docs * Formatting * Update frame/balances/src/lib.rs Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * Update primitives/runtime/src/lib.rs Co-authored-by: Keith Yeung <kungfukeith11@gmail.com> * handle_raw_dust oes nothing * Formatting * Fixes * Grumble * Fixes * Add test * Add test * Tests for reducible_balance * Fixes * Fix Salary * Fixes * Disable broken test * Disable nicely * Fixes * Fixes * Fixes * Rename some events * Fix nomination pools breakage * Add compatibility stub for transfer tx * Reinstate a safely compatible version of Balances set_balance * Fixes * Grumble * Update frame/nis/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_balances * disable flakey tests * Update frame/balances/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Grumbles * Grumble --------- Co-authored-by: Muharem Ismailov <ismailov.m.h@gmail.com> Co-authored-by: Alexander Theißen <alex.theissen@me.com> Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com> Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> Co-authored-by: Keith Yeung <kungfukeith11@gmail.com> Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> Co-authored-by: command-bot <> |