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Vesting pallet - make WithdrawReasons configurable (#12109)

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* Vesting pallet - make WithdrawReasons configurable

* Update `pallet-vesting` README

Co-authored-by: parity-processbot <>
This commit is contained in:
Leszek Wiesner
2022-10-09 11:22:43 +02:00
committed by GitHub
parent 4a6c7aaf5b
commit 0b77060986
4 changed files with 20 additions and 6 deletions
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substrate/frame/vesting/README.md
+2 -1
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@@ -7,7 +7,8 @@
A simple module providing a means of placing a linear curve on an account's locked balance. This
module ensures that there is a lock in place preventing the balance to drop below the *unvested*
amount for any reason other than transaction fee payment.
amount for reason other than the ones specified in `UnvestedFundsAllowedWithdrawReasons`
configuration value.
As the amount vested increases over time, the amount unvested reduces. However, locks remain in
place and explicit action is needed on behalf of the user to ensure that the amount locked is
substrate/frame/vesting/src/lib.rs
+10 -3
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@@ -24,7 +24,8 @@
//!
//! A simple pallet providing a means of placing a linear curve on an account's locked balance. This
//! pallet ensures that there is a lock in place preventing the balance to drop below the *unvested*
//! amount for any reason other than transaction fee payment.
//! amount for any reason other than the ones specified in `UnvestedFundsAllowedWithdrawReasons`
//! configuration value.
//!
//! As the amount vested increases over time, the amount unvested reduces. However, locks remain in
//! place and explicit action is needed on behalf of the user to ensure that the amount locked is
@@ -170,6 +171,10 @@ pub mod pallet {
/// Weight information for extrinsics in this pallet.
type WeightInfo: WeightInfo;
/// Reasons that determine under which conditions the balance may drop below
/// the unvested amount.
type UnvestedFundsAllowedWithdrawReasons: Get<WithdrawReasons>;
/// Maximum number of vesting schedules an account may have at a given moment.
const MAX_VESTING_SCHEDULES: u32;
}
@@ -249,7 +254,9 @@ pub mod pallet {
Vesting::<T>::try_append(who, vesting_info)
.expect("Too many vesting schedules at genesis.");
let reasons = WithdrawReasons::TRANSFER | WithdrawReasons::RESERVE;
let reasons =
WithdrawReasons::except(T::UnvestedFundsAllowedWithdrawReasons::get());
T::Currency::set_lock(VESTING_ID, who, locked, reasons);
}
}
@@ -569,7 +576,7 @@ impl<T: Config> Pallet<T> {
T::Currency::remove_lock(VESTING_ID, who);
Self::deposit_event(Event::<T>::VestingCompleted { account: who.clone() });
} else {
let reasons = WithdrawReasons::TRANSFER | WithdrawReasons::RESERVE;
let reasons = WithdrawReasons::except(T::UnvestedFundsAllowedWithdrawReasons::get());
T::Currency::set_lock(VESTING_ID, who, total_locked_now, reasons);
Self::deposit_event(Event::<T>::VestingUpdated {
account: who.clone(),
substrate/frame/vesting/src/mock.rs
+4 -1
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@@ -17,7 +17,7 @@
use frame_support::{
parameter_types,
traits::{ConstU32, ConstU64, GenesisBuild},
traits::{ConstU32, ConstU64, GenesisBuild, WithdrawReasons},
};
use sp_core::H256;
use sp_runtime::{
@@ -87,6 +87,8 @@ impl pallet_balances::Config for Test {
}
parameter_types! {
pub const MinVestedTransfer: u64 = 256 * 2;
pub UnvestedFundsAllowedWithdrawReasons: WithdrawReasons =
WithdrawReasons::except(WithdrawReasons::TRANSFER | WithdrawReasons::RESERVE);
pub static ExistentialDeposit: u64 = 0;
}
impl Config for Test {
@@ -96,6 +98,7 @@ impl Config for Test {
const MAX_VESTING_SCHEDULES: u32 = 3;
type MinVestedTransfer = MinVestedTransfer;
type WeightInfo = ();
type UnvestedFundsAllowedWithdrawReasons = UnvestedFundsAllowedWithdrawReasons;
}
pub struct ExtBuilder {