81 lines
2.1 KiB
Rust
81 lines
2.1 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity 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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// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Engine deserialization.
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use spec::Ethash;
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use spec::BasicAuthority;
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use spec::Tendermint;
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/// Engine deserialization.
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#[derive(Debug, PartialEq, Deserialize)]
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pub enum Engine {
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/// Null engine.
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Null,
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/// Instantly sealing engine.
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InstantSeal,
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/// Ethash engine.
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Ethash(Ethash),
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/// BasicAuthority engine.
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BasicAuthority(BasicAuthority),
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/// Byzantine Fault Tolerant engine.
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Tendermint(Tendermint)
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}
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#[cfg(test)]
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mod tests {
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use serde_json;
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use spec::Engine;
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#[test]
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fn engine_deserialization() {
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let s = r#"{
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"Null": null
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}"#;
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let deserialized: Engine = serde_json::from_str(s).unwrap();
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assert_eq!(Engine::Null, deserialized);
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let s = r#"{
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"InstantSeal": null
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}"#;
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let deserialized: Engine = serde_json::from_str(s).unwrap();
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assert_eq!(Engine::InstantSeal, deserialized);
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let s = r#"{
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"Ethash": {
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"params": {
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"gasLimitBoundDivisor": "0x0400",
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"minimumDifficulty": "0x020000",
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"difficultyBoundDivisor": "0x0800",
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"durationLimit": "0x0d",
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"blockReward": "0x4563918244F40000",
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"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
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"homesteadTransition" : "0x",
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"daoHardforkTransition": "0xffffffffffffffff",
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"daoHardforkBeneficiary": "0x0000000000000000000000000000000000000000",
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"daoHardforkAccounts": []
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}
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}
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}"#;
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let _deserialized: Engine = serde_json::from_str(s).unwrap();
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}
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}
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