mirror of
https://github.com/mimblewimble/grin.git
synced 2025-01-21 11:31:08 +03:00
9cc7aed713
* Move Proof and Difficulty types to pow module. Difficulty scaling calculation.
* Diffculty scaling and size shift for 2nd PoW
* Backport e7eb26ee
* Test compilation fixes
* Scaling only need to go one way, as @tromp pointed out
117 lines
3.5 KiB
Rust
117 lines
3.5 KiB
Rust
// Copyright 2018 The Grin Developers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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extern crate env_logger;
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extern crate grin_chain as chain;
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extern crate grin_core as core;
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extern crate grin_keychain as keychain;
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extern crate grin_store as store;
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extern crate grin_wallet as wallet;
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extern crate rand;
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use std::fs;
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use std::sync::Arc;
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use chain::Tip;
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use core::core::hash::Hashed;
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use core::core::{Block, BlockHeader};
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use core::global::{self, ChainTypes};
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use core::pow::{self, Difficulty};
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use keychain::{ExtKeychain, Keychain};
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use wallet::libtx;
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fn clean_output_dir(dir_name: &str) {
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let _ = fs::remove_dir_all(dir_name);
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}
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#[test]
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fn test_various_store_indices() {
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match env_logger::try_init() {
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Ok(_) => println!("Initializing env logger"),
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Err(e) => println!("env logger already initialized: {:?}", e),
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};
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let chain_dir = ".grin_idx_1";
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clean_output_dir(chain_dir);
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let keychain = ExtKeychain::from_random_seed().unwrap();
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let key_id = keychain.derive_key_id(1).unwrap();
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let db_env = Arc::new(store::new_env(chain_dir.to_string()));
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let chain_store = chain::store::ChainStore::new(db_env).unwrap();
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global::set_mining_mode(ChainTypes::AutomatedTesting);
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let genesis = pow::mine_genesis_block().unwrap();
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let reward = libtx::reward::output(&keychain, &key_id, 0, 1).unwrap();
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let block = Block::new(&genesis.header, vec![], Difficulty::one(), reward).unwrap();
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let block_hash = block.hash();
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{
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let batch = chain_store.batch().unwrap();
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batch.save_block(&genesis).unwrap();
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batch
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.setup_height(&genesis.header, &Tip::new(genesis.hash()))
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.unwrap();
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batch.commit().unwrap();
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}
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{
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let batch = chain_store.batch().unwrap();
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batch.save_block(&block).unwrap();
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batch
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.setup_height(&block.header, &Tip::from_block(&block.header))
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.unwrap();
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batch.commit().unwrap();
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}
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let block_header = chain_store.get_block_header(&block_hash).unwrap();
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assert_eq!(block_header.hash(), block_hash);
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let block_header = chain_store.get_header_by_height(1).unwrap();
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assert_eq!(block_header.hash(), block_hash);
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}
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#[test]
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fn test_store_header_height() {
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match env_logger::try_init() {
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Ok(_) => println!("Initializing env logger"),
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Err(e) => println!("env logger already initialized: {:?}", e),
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};
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let chain_dir = ".grin_idx_2";
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clean_output_dir(chain_dir);
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let db_env = Arc::new(store::new_env(chain_dir.to_string()));
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let chain_store = chain::store::ChainStore::new(db_env).unwrap();
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let mut block_header = BlockHeader::default();
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block_header.height = 1;
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{
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let batch = chain_store.batch().unwrap();
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batch.save_block_header(&block_header).unwrap();
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batch.save_header_height(&block_header).unwrap();
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batch.commit().unwrap();
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}
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let stored_block_header = chain_store.get_header_by_height(1).unwrap();
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assert_eq!(block_header.hash(), stored_block_header.hash());
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{
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let batch = chain_store.batch().unwrap();
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batch.delete_header_by_height(1).unwrap();
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batch.commit().unwrap();
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}
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let result = chain_store.get_header_by_height(1);
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assert_eq!(result.is_err(), true);
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}
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