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Implement fungible::* for Balances (#8454)

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* Reservable, Transferrable Fungible(s), plus adapters.

* Repot into new dir

* Imbalances for Fungibles

* Repot and balanced fungible.

* Clean up names and bridge-over Imbalanced.

* Repot frame_support::trait. Finally.

* Make build.

* Docs

* Good errors

* Fix tests. Implement fungible::Inspect for Balances.

* Implement additional traits for Balances.

* Revert UI test "fixes"

* Fix UI error

* Fix UI test

* More work on fungibles

* Fixes

* More work.

* Update lock

* Make fungible::reserved work for Balances

* Introduce Freezer to Assets, ready for a reserve & locks pallet. Some renaming/refactoring.

* Cleanup errors

* Imbalances working with Assets

* Test for freezer.

* Grumbles

* Grumbles

* Fixes

* Extra "side-car" data for a user's asset balance.

* Fix

* Fix test

* Fixes

* Line lengths

* Comments

* Update frame/assets/src/tests.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update frame/support/src/traits/tokens/fungibles.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update frame/assets/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update frame/support/src/traits/tokens/fungible.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Introduce `transfer_reserved`

* Rename fungible Reserve -> Hold, add flag structs

* Avoid the `melted` API - its too complex and gives little help

* Repot Assets pallet

Co-authored-by: Bastian Köcher <info@kchr.de>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Gavin Wood
2021-03-28 20:59:34 +02:00
committed by GitHub
parent c2dd5e21a4
commit d0eee4f1cb
17 changed files with 1537 additions and 554 deletions
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substrate/frame/assets/src/mock.rs
+35
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@@ -100,7 +100,42 @@ impl Config for Test {
type MetadataDepositPerByte = MetadataDepositPerByte;
type ApprovalDeposit = ApprovalDeposit;
type StringLimit = StringLimit;
type Freezer = TestFreezer;
type WeightInfo = ();
type Extra = ();
}
use std::cell::RefCell;
use std::collections::HashMap;
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
pub(crate) enum Hook {
Died(u32, u64),
}
thread_local! {
static FROZEN: RefCell<HashMap<(u32, u64), u64>> = RefCell::new(Default::default());
static HOOKS: RefCell<Vec<Hook>> = RefCell::new(Default::default());
}
pub struct TestFreezer;
impl FrozenBalance<u32, u64, u64> for TestFreezer {
fn frozen_balance(asset: u32, who: &u64) -> Option<u64> {
FROZEN.with(|f| f.borrow().get(&(asset, who.clone())).cloned())
}
fn died(asset: u32, who: &u64) {
HOOKS.with(|h| h.borrow_mut().push(Hook::Died(asset, who.clone())));
}
}
pub(crate) fn set_frozen_balance(asset: u32, who: u64, amount: u64) {
FROZEN.with(|f| f.borrow_mut().insert((asset, who), amount));
}
pub(crate) fn clear_frozen_balance(asset: u32, who: u64) {
FROZEN.with(|f| f.borrow_mut().remove(&(asset, who)));
}
pub(crate) fn hooks() -> Vec<Hook> {
HOOKS.with(|h| h.borrow().clone())
}
pub(crate) fn new_test_ext() -> sp_io::TestExternalities {