mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 20:27:58 +00:00
Pierre Krieger
97 lines
2.5 KiB
Rust
97 lines
2.5 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2017-2020 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//! Test utils
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use std::collections::HashMap;
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use sp_core::H256;
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use crate::{DBValue, ChangeSet, CommitSet, MetaDb, NodeDb};
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#[derive(Default, Debug, Clone, PartialEq, Eq)]
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pub struct TestDb {
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pub data: HashMap<H256, DBValue>,
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pub meta: HashMap<Vec<u8>, DBValue>,
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}
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impl MetaDb for TestDb {
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type Error = ();
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fn get_meta(&self, key: &[u8]) -> Result<Option<DBValue>, ()> {
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Ok(self.meta.get(key).cloned())
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}
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}
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impl NodeDb for TestDb {
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type Error = ();
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type Key = H256;
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fn get(&self, key: &H256) -> Result<Option<DBValue>, ()> {
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Ok(self.data.get(key).cloned())
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}
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}
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impl TestDb {
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pub fn commit(&mut self, commit: &CommitSet<H256>) {
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self.data.extend(commit.data.inserted.iter().cloned());
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self.meta.extend(commit.meta.inserted.iter().cloned());
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for k in commit.data.deleted.iter() {
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self.data.remove(k);
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}
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self.meta.extend(commit.meta.inserted.iter().cloned());
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for k in commit.meta.deleted.iter() {
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self.meta.remove(k);
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}
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}
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pub fn data_eq(&self, other: &TestDb) -> bool {
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self.data == other.data
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}
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}
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pub fn make_changeset(inserted: &[u64], deleted: &[u64]) -> ChangeSet<H256> {
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ChangeSet {
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inserted: inserted
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.iter()
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.map(|v| {
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(H256::from_low_u64_be(*v), H256::from_low_u64_be(*v).as_bytes().to_vec())
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})
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.collect(),
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deleted: deleted.iter().map(|v| H256::from_low_u64_be(*v)).collect(),
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}
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}
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pub fn make_commit(inserted: &[u64], deleted: &[u64]) -> CommitSet<H256> {
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CommitSet {
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data: make_changeset(inserted, deleted),
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meta: ChangeSet::default(),
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}
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}
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pub fn make_db(inserted: &[u64]) -> TestDb {
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TestDb {
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data: inserted
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.iter()
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.map(|v| {
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(H256::from_low_u64_be(*v), H256::from_low_u64_be(*v).as_bytes().to_vec())
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})
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.collect(),
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meta: Default::default(),
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}
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}
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