69 lines
2.4 KiB
Rust
69 lines
2.4 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum 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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// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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use ethereum_types::U256;
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use ethjson;
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use spec::Spec;
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use std::path::Path;
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use types::header::Header;
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use super::HookType;
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pub fn json_difficulty_test<H: FnMut(&str, HookType)>(
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path: &Path,
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json_data: &[u8],
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spec: Spec,
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start_stop_hook: &mut H,
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) -> Vec<String> {
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let mut ret = Vec::new();
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let _ = env_logger::try_init();
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let tests = ethjson::test::DifficultyTest::load(json_data).expect(&format!(
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"Could not parse JSON difficulty test data from {}",
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path.display()
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));
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let engine = &spec.engine;
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for (name, test) in tests.into_iter() {
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if !super::debug_include_test(&name) {
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continue;
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}
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start_stop_hook(&name, HookType::OnStart);
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let mut parent_header = Header::new();
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let block_number: u64 = test.current_block_number.into();
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parent_header.set_number(block_number - 1);
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parent_header.set_gas_limit(0x20000.into());
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parent_header.set_timestamp(test.parent_timestamp.into());
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parent_header.set_difficulty(test.parent_difficulty.into());
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parent_header.set_uncles_hash(test.parent_uncles.into());
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let mut header = Header::new();
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header.set_number(block_number);
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header.set_timestamp(test.current_timestamp.into());
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engine.populate_from_parent(&mut header, &parent_header);
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let expected_difficulty: U256 = test.current_difficulty.into();
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if header.difficulty() == &expected_difficulty {
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flushln!(" - difficulty: {}...OK", name);
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} else {
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flushln!(" - difficulty: {}...FAILED", name);
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ret.push(format!("{}:{}", path.to_string_lossy(), name));
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}
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start_stop_hook(&name, HookType::OnStop);
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}
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ret
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}
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