-
Notifications
You must be signed in to change notification settings - Fork 27
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Move balance tracker inside accumulator
- Loading branch information
Showing
11 changed files
with
164 additions
and
166 deletions.
There are no files selected for viewing
88 changes: 88 additions & 0 deletions
88
chainstate/constraints-value-accumulator/src/accounts_balances_tracker.rs
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| // Copyright (c) 2024 RBB S.r.l | ||
| // [email protected] | ||
| // SPDX-License-Identifier: MIT | ||
| // Licensed under the MIT License; | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/mintlayer/mintlayer-core/blob/master/LICENSE | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| use std::collections::{btree_map::Entry, BTreeMap}; | ||
|
|
||
| use common::{ | ||
| chain::{AccountSpending, AccountType, DelegationId}, | ||
| primitives::Amount, | ||
| }; | ||
|
|
||
| use crate::Error; | ||
|
|
||
| #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd)] | ||
| enum GenericAccountId { | ||
| Delegation(DelegationId), | ||
| } | ||
|
|
||
| impl From<AccountSpending> for GenericAccountId { | ||
| fn from(account: AccountSpending) -> Self { | ||
| match account { | ||
| AccountSpending::DelegationBalance(id, _) => Self::Delegation(id), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl From<GenericAccountId> for AccountType { | ||
| fn from(value: GenericAccountId) -> Self { | ||
| match value { | ||
| GenericAccountId::Delegation(id) => AccountType::Delegation(id), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub struct AccountsBalancesTracker<'a, DelegationBalanceGetterFn> { | ||
| balances: BTreeMap<GenericAccountId, Amount>, | ||
|
|
||
| delegation_balance_getter: &'a DelegationBalanceGetterFn, | ||
| } | ||
|
|
||
| impl<'a, DelegationBalanceGetterFn> AccountsBalancesTracker<'a, DelegationBalanceGetterFn> | ||
| where | ||
| DelegationBalanceGetterFn: Fn(DelegationId) -> Result<Option<Amount>, Error>, | ||
| { | ||
| pub fn new(delegation_balance_getter: &'a DelegationBalanceGetterFn) -> Self { | ||
| Self { | ||
| balances: BTreeMap::new(), | ||
| delegation_balance_getter, | ||
| } | ||
| } | ||
|
|
||
| pub fn spend_from_account(&mut self, account: AccountSpending) -> Result<(), Error> { | ||
| match self.balances.entry(account.clone().into()) { | ||
| Entry::Vacant(e) => { | ||
| let (balance, spending) = match account { | ||
| AccountSpending::DelegationBalance(id, spending) => { | ||
| let balance = (self.delegation_balance_getter)(id)? | ||
| .ok_or(Error::AccountBalanceNotFound(account.clone().into()))?; | ||
| (balance, spending) | ||
| } | ||
| }; | ||
| let new_balance = (balance - spending) | ||
| .ok_or(Error::NegativeAccountBalance(account.clone().into()))?; | ||
| e.insert(new_balance); | ||
| } | ||
| Entry::Occupied(mut e) => { | ||
| let balance = e.get_mut(); | ||
| let spending = match account { | ||
| AccountSpending::DelegationBalance(_, spending) => spending, | ||
| }; | ||
| *balance = (*balance - spending) | ||
| .ok_or(Error::NegativeAccountBalance(account.clone().into()))?; | ||
| } | ||
| }; | ||
| Ok(()) | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.