mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-01 07:47:57 +00:00
Stanislav Tkach
242 lines
8.6 KiB
Rust
242 lines
8.6 KiB
Rust
// Copyright 2018 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate 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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// Substrate 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 Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! tests that should hold for all implementations of certain traits.
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//! to test implementations without duplication.
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#![allow(missing_docs)]
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use std::sync::Arc;
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use keyring::Keyring;
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use consensus::BlockOrigin;
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use primitives::Blake2Hasher;
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use crate::TestClient;
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use runtime_primitives::traits::Block as BlockT;
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use crate::backend;
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use crate::blockchain::{Backend as BlockChainBackendT, HeaderBackend};
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use crate::{BlockBuilderExt, new_with_backend};
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use runtime::{self, Transfer};
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use runtime_primitives::generic::BlockId;
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/// helper to test the `leaves` implementation for various backends
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pub fn test_leaves_for_backend<B: 'static>(backend: Arc<B>) where
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B: backend::LocalBackend<runtime::Block, Blake2Hasher>,
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{
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// block tree:
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// G -> A1 -> A2 -> A3 -> A4 -> A5
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// A1 -> B2 -> B3 -> B4
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// B2 -> C3
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// A1 -> D2
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let client = new_with_backend(backend.clone(), false);
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let genesis_hash = client.info().unwrap().chain.genesis_hash;
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assert_eq!(
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client.backend().blockchain().leaves().unwrap(),
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vec![genesis_hash]);
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// G -> A1
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let a1 = client.new_block().unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a1.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a1.hash()]);
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// A1 -> A2
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let a2 = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a2.clone()).unwrap();
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assert_eq!(
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client.backend().blockchain().leaves().unwrap(),
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vec![a2.hash()]);
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// A2 -> A3
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let a3 = client.new_block_at(&BlockId::Hash(a2.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a3.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a3.hash()]);
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// A3 -> A4
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let a4 = client.new_block_at(&BlockId::Hash(a3.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a4.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a4.hash()]);
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// A4 -> A5
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let a5 = client.new_block_at(&BlockId::Hash(a4.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a5.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a5.hash()]);
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// A1 -> B2
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let mut builder = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap();
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// this push is required as otherwise B2 has the same hash as A2 and won't get imported
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builder.push_transfer(Transfer {
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from: Keyring::Alice.to_raw_public().into(),
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to: Keyring::Ferdie.to_raw_public().into(),
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amount: 41,
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nonce: 0,
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}).unwrap();
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let b2 = builder.bake().unwrap();
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client.import(BlockOrigin::Own, b2.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a5.hash(), b2.hash()]);
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// B2 -> B3
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let b3 = client.new_block_at(&BlockId::Hash(b2.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, b3.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a5.hash(), b3.hash()]);
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// B3 -> B4
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let b4 = client.new_block_at(&BlockId::Hash(b3.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, b4.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a5.hash(), b4.hash()]);
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// // B2 -> C3
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let mut builder = client.new_block_at(&BlockId::Hash(b2.hash())).unwrap();
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// this push is required as otherwise C3 has the same hash as B3 and won't get imported
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builder.push_transfer(Transfer {
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from: Keyring::Alice.to_raw_public().into(),
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to: Keyring::Ferdie.to_raw_public().into(),
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amount: 1,
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nonce: 1,
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}).unwrap();
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let c3 = builder.bake().unwrap();
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client.import(BlockOrigin::Own, c3.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a5.hash(), b4.hash(), c3.hash()]);
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// A1 -> D2
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let mut builder = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap();
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// this push is required as otherwise D2 has the same hash as B2 and won't get imported
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builder.push_transfer(Transfer {
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from: Keyring::Alice.to_raw_public().into(),
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to: Keyring::Ferdie.to_raw_public().into(),
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amount: 1,
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nonce: 0,
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}).unwrap();
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let d2 = builder.bake().unwrap();
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client.import(BlockOrigin::Own, d2.clone()).unwrap();
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assert_eq!(
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backend.blockchain().leaves().unwrap(),
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vec![a5.hash(), b4.hash(), c3.hash(), d2.hash()]);
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}
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pub fn test_blockchain_query_by_number_gets_canonical<B: 'static>(backend: Arc<B>) where
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B: backend::LocalBackend<runtime::Block, Blake2Hasher>,
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{
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// block tree:
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// G -> A1 -> A2 -> A3 -> A4 -> A5
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// A1 -> B2 -> B3 -> B4
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// B2 -> C3
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// A1 -> D2
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let client = new_with_backend(backend, false);
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// G -> A1
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let a1 = client.new_block().unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a1.clone()).unwrap();
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// A1 -> A2
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let a2 = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a2.clone()).unwrap();
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// A2 -> A3
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let a3 = client.new_block_at(&BlockId::Hash(a2.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a3.clone()).unwrap();
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// A3 -> A4
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let a4 = client.new_block_at(&BlockId::Hash(a3.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a4.clone()).unwrap();
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// A4 -> A5
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let a5 = client.new_block_at(&BlockId::Hash(a4.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, a5.clone()).unwrap();
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// A1 -> B2
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let mut builder = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap();
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// this push is required as otherwise B2 has the same hash as A2 and won't get imported
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builder.push_transfer(Transfer {
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from: Keyring::Alice.to_raw_public().into(),
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to: Keyring::Ferdie.to_raw_public().into(),
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amount: 41,
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nonce: 0,
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}).unwrap();
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let b2 = builder.bake().unwrap();
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client.import(BlockOrigin::Own, b2.clone()).unwrap();
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// B2 -> B3
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let b3 = client.new_block_at(&BlockId::Hash(b2.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, b3.clone()).unwrap();
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// B3 -> B4
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let b4 = client.new_block_at(&BlockId::Hash(b3.hash())).unwrap().bake().unwrap();
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client.import(BlockOrigin::Own, b4.clone()).unwrap();
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// // B2 -> C3
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let mut builder = client.new_block_at(&BlockId::Hash(b2.hash())).unwrap();
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// this push is required as otherwise C3 has the same hash as B3 and won't get imported
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builder.push_transfer(Transfer {
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from: Keyring::Alice.to_raw_public().into(),
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to: Keyring::Ferdie.to_raw_public().into(),
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amount: 1,
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nonce: 1,
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}).unwrap();
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let c3 = builder.bake().unwrap();
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client.import(BlockOrigin::Own, c3.clone()).unwrap();
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// A1 -> D2
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let mut builder = client.new_block_at(&BlockId::Hash(a1.hash())).unwrap();
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// this push is required as otherwise D2 has the same hash as B2 and won't get imported
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builder.push_transfer(Transfer {
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from: Keyring::Alice.to_raw_public().into(),
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to: Keyring::Ferdie.to_raw_public().into(),
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amount: 1,
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nonce: 0,
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}).unwrap();
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let d2 = builder.bake().unwrap();
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client.import(BlockOrigin::Own, d2.clone()).unwrap();
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let genesis_hash = client.info().unwrap().chain.genesis_hash;
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assert_eq!(client.backend().blockchain().header(BlockId::Number(0)).unwrap().unwrap().hash(), genesis_hash);
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assert_eq!(client.backend().blockchain().hash(0).unwrap().unwrap(), genesis_hash);
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assert_eq!(client.backend().blockchain().header(BlockId::Number(1)).unwrap().unwrap().hash(), a1.hash());
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assert_eq!(client.backend().blockchain().hash(1).unwrap().unwrap(), a1.hash());
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assert_eq!(client.backend().blockchain().header(BlockId::Number(2)).unwrap().unwrap().hash(), a2.hash());
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assert_eq!(client.backend().blockchain().hash(2).unwrap().unwrap(), a2.hash());
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assert_eq!(client.backend().blockchain().header(BlockId::Number(3)).unwrap().unwrap().hash(), a3.hash());
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assert_eq!(client.backend().blockchain().hash(3).unwrap().unwrap(), a3.hash());
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assert_eq!(client.backend().blockchain().header(BlockId::Number(4)).unwrap().unwrap().hash(), a4.hash());
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assert_eq!(client.backend().blockchain().hash(4).unwrap().unwrap(), a4.hash());
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assert_eq!(client.backend().blockchain().header(BlockId::Number(5)).unwrap().unwrap().hash(), a5.hash());
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assert_eq!(client.backend().blockchain().hash(5).unwrap().unwrap(), a5.hash());
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}
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