ethjson/spec/
hardcoded_sync.rs

1// Copyright 2015-2020 Parity Technologies (UK) Ltd.
2// This file is part of Parity Ethereum.
3
4// Parity Ethereum is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Parity Ethereum is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Parity Ethereum.  If not, see <http://www.gnu.org/licenses/>.
16
17//! Spec hardcoded synchronization deserialization for the light client.
18
19use crate::{bytes::Bytes, hash::H256, uint::Uint};
20use serde::Deserialize;
21
22/// Spec hardcoded sync.
23#[derive(Debug, PartialEq, Deserialize)]
24#[serde(deny_unknown_fields)]
25#[serde(rename_all = "camelCase")]
26pub struct HardcodedSync {
27	/// Hexadecimal of the RLP encoding of the header of the block to start synchronization from.
28	pub header: Bytes,
29	/// Total difficulty including the block of `header`.
30	pub total_difficulty: Uint,
31	/// Ordered trie roots of blocks before and including `header`.
32	#[serde(rename = "CHTs")]
33	pub chts: Vec<H256>,
34}
35
36#[cfg(test)]
37mod tests {
38	use std::str::FromStr;
39	use super::{H256, HardcodedSync, Uint};
40	use ethereum_types::{U256, H256 as Eth256};
41
42	#[test]
43	fn hardcoded_sync_deserialization() {
44		let s = r#"{
45			"header": "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",
46			"totalDifficulty": "0x400000000",
47			"CHTs": [
48				"0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
49				"0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544"
50			]
51		}"#;
52		let deserialized: HardcodedSync = serde_json::from_str(s).unwrap();
53		assert_eq!(deserialized, HardcodedSync {
54			header: "f901f9a0d405da4e66f1445d455195229624e133f5baafe72b5cf7b3c36c12c8146e98b7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347948888f1f195afa192cfee860698584c030f4c9db1a05fb2b4bfdef7b314451cb138a534d225c922fc0e5fbe25e451142732c3e25c25a088d2ec6b9860aae1a2c3b299f72b6a5d70d7f7ba4722c78f2c49ba96273c2158a007c6fdfa8eea7e86b81f5b0fc0f78f90cc19f4aa60d323151e0cac660199e9a1b90100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008302008003832fefba82524d84568e932a80a0a0349d8c3df71f1a48a9df7d03fd5f14aeee7d91332c009ecaff0a71ead405bd88ab4e252a7e8c2a23".parse().unwrap(),
55			total_difficulty: Uint(U256::from(0x400000000u64)),
56			chts: vec![
57				H256(Eth256::from_str("11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa").unwrap()),
58				H256(Eth256::from_str("d7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544").unwrap()),
59			]
60		});
61	}
62}
ethjson/spec/hardcoded_sync.rs

ethjson/spec/
hardcoded_sync.rs
