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Self-sufficient account ref-counting (#8221)

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* Self-sufficient account ref-counting

* Fixes

* Update frame/system/src/lib.rs

Co-authored-by: Jaco Greeff <jacogr@gmail.com>

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* Update frame/system/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Update frame/system/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Update frame/system/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* fix build

* Update frame/system/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

Co-authored-by: Jaco Greeff <jacogr@gmail.com>
Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
This commit is contained in:
Gavin Wood
2021-03-03 22:28:05 +01:00
committed by GitHub
parent 274e7f0652
commit e993f884fc
7 changed files with 260 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/system/src/tests.rs
+101 -6
View File
@@ -19,10 +19,7 @@ use crate::*;
use mock::{*, Origin};
use sp_core::H256;
use sp_runtime::{DispatchError, DispatchErrorWithPostInfo, traits::{Header, BlakeTwo256}};
use frame_support::{
weights::WithPostDispatchInfo,
dispatch::PostDispatchInfo,
};
use frame_support::{assert_noop, weights::WithPostDispatchInfo, dispatch::PostDispatchInfo};
#[test]
fn origin_works() {
@@ -37,7 +34,13 @@ fn stored_map_works() {
assert!(System::insert(&0, 42).is_ok());
assert!(!System::is_provider_required(&0));
assert_eq!(Account::<Test>::get(0), AccountInfo { nonce: 0, providers: 1, consumers: 0, data: 42 });
assert_eq!(Account::<Test>::get(0), AccountInfo {
nonce: 0,
providers: 1,
consumers: 0,
sufficients: 0,
data: 42,
});
assert!(System::inc_consumers(&0).is_ok());
assert!(System::is_provider_required(&0));
@@ -54,6 +57,98 @@ fn stored_map_works() {
});
}
#[test]
fn provider_ref_handover_to_self_sufficient_ref_works() {
new_test_ext().execute_with(|| {
assert_eq!(System::inc_providers(&0), IncRefStatus::Created);
System::inc_account_nonce(&0);
assert_eq!(System::account_nonce(&0), 1);
// a second reference coming and going doesn't change anything.
assert_eq!(System::inc_sufficients(&0), IncRefStatus::Existed);
assert_eq!(System::dec_sufficients(&0), DecRefStatus::Exists);
assert_eq!(System::account_nonce(&0), 1);
// a provider reference coming and going doesn't change anything.
assert_eq!(System::inc_providers(&0), IncRefStatus::Existed);
assert_eq!(System::dec_providers(&0).unwrap(), DecRefStatus::Exists);
assert_eq!(System::account_nonce(&0), 1);
// decreasing the providers with a self-sufficient present should not delete the account
assert_eq!(System::inc_sufficients(&0), IncRefStatus::Existed);
assert_eq!(System::dec_providers(&0).unwrap(), DecRefStatus::Exists);
assert_eq!(System::account_nonce(&0), 1);
// decreasing the sufficients should delete the account
assert_eq!(System::dec_sufficients(&0), DecRefStatus::Reaped);
assert_eq!(System::account_nonce(&0), 0);
});
}
#[test]
fn self_sufficient_ref_handover_to_provider_ref_works() {
new_test_ext().execute_with(|| {
assert_eq!(System::inc_sufficients(&0), IncRefStatus::Created);
System::inc_account_nonce(&0);
assert_eq!(System::account_nonce(&0), 1);
// a second reference coming and going doesn't change anything.
assert_eq!(System::inc_providers(&0), IncRefStatus::Existed);
assert_eq!(System::dec_providers(&0).unwrap(), DecRefStatus::Exists);
assert_eq!(System::account_nonce(&0), 1);
// a sufficient reference coming and going doesn't change anything.
assert_eq!(System::inc_sufficients(&0), IncRefStatus::Existed);
assert_eq!(System::dec_sufficients(&0), DecRefStatus::Exists);
assert_eq!(System::account_nonce(&0), 1);
// decreasing the sufficients with a provider present should not delete the account
assert_eq!(System::inc_providers(&0), IncRefStatus::Existed);
assert_eq!(System::dec_sufficients(&0), DecRefStatus::Exists);
assert_eq!(System::account_nonce(&0), 1);
// decreasing the providers should delete the account
assert_eq!(System::dec_providers(&0).unwrap(), DecRefStatus::Reaped);
assert_eq!(System::account_nonce(&0), 0);
});
}
#[test]
fn sufficient_cannot_support_consumer() {
new_test_ext().execute_with(|| {
assert_eq!(System::inc_sufficients(&0), IncRefStatus::Created);
System::inc_account_nonce(&0);
assert_eq!(System::account_nonce(&0), 1);
assert_noop!(System::inc_consumers(&0), IncRefError::NoProviders);
assert_eq!(System::inc_providers(&0), IncRefStatus::Existed);
assert!(System::inc_consumers(&0).is_ok());
assert_noop!(System::dec_providers(&0), DecRefError::ConsumerRemaining);
});
}
#[test]
fn provider_required_to_support_consumer() {
new_test_ext().execute_with(|| {
assert_noop!(System::inc_consumers(&0), IncRefError::NoProviders);
assert_eq!(System::inc_providers(&0), IncRefStatus::Created);
System::inc_account_nonce(&0);
assert_eq!(System::account_nonce(&0), 1);
assert_eq!(System::inc_providers(&0), IncRefStatus::Existed);
assert_eq!(System::dec_providers(&0).unwrap(), DecRefStatus::Exists);
assert_eq!(System::account_nonce(&0), 1);
assert!(System::inc_consumers(&0).is_ok());
assert_noop!(System::dec_providers(&0), DecRefError::ConsumerRemaining);
System::dec_consumers(&0);
assert_eq!(System::dec_providers(&0).unwrap(), DecRefStatus::Reaped);
assert_eq!(System::account_nonce(&0), 0);
});
}
#[test]
fn deposit_event_should_work() {
new_test_ext().execute_with(|| {
@@ -403,7 +498,7 @@ fn events_not_emitted_during_genesis() {
new_test_ext().execute_with(|| {
// Block Number is zero at genesis
assert!(System::block_number().is_zero());
let mut account_data = AccountInfo { nonce: 0, consumers: 0, providers: 0, data: 0 };
let mut account_data = AccountInfo::default();
System::on_created_account(Default::default(), &mut account_data);
assert!(System::events().is_empty());
// Events will be emitted starting on block 1