39 lines
1.5 KiB
Rust
39 lines
1.5 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
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use types::{CapState, OperationsInfo, ReleaseInfo, VersionInfo};
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/// Parity updater service trait
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pub trait Service: Send + Sync {
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/// Is the currently running client capable of supporting the current chain?
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/// We default to true if there's no clear information.
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fn capability(&self) -> CapState;
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/// The release which is ready to be upgraded to, if any. If this returns `Some`, then
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/// `execute_upgrade` may be called.
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fn upgrade_ready(&self) -> Option<ReleaseInfo>;
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/// Actually upgrades the client. Assumes that the binary has been downloaded.
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/// @returns `true` on success.
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fn execute_upgrade(&self) -> bool;
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/// Our version info.
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fn version_info(&self) -> VersionInfo;
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/// Information gathered concerning the release.
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fn info(&self) -> Option<OperationsInfo>;
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}
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