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https://github.com/pezkuwichain/pezkuwi-subxt.git
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Bastian Köcher
9607afd629
* Start refactoring state-machine crate * More improvement to state-machine * Fix tests compilation on master and remove warnings * Fix compilation * Apply suggestions from code review Co-Authored-By: Sergei Pepyakin <sergei@parity.io> * Update core/state-machine/src/basic.rs Co-Authored-By: DemiMarie-parity <48690212+DemiMarie-parity@users.noreply.github.com> * Line width * Update core/primitives/src/storage.rs Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com> * Update core/state-machine/src/error.rs Co-Authored-By: Benjamin Kampmann <ben.kampmann@googlemail.com> * Review feedback
48 lines
1.7 KiB
Rust
48 lines
1.7 KiB
Rust
// Copyright 2019 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate 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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// Substrate 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 Substrate. If not, see <http://www.gnu.org/licenses/>.
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/// State Machine Errors
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use std::fmt;
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/// State Machine Error bound.
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///
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/// This should reflect Wasm error type bound for future compatibility.
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pub trait Error: 'static + fmt::Debug + fmt::Display + Send {}
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impl<T: 'static + fmt::Debug + fmt::Display + Send> Error for T {}
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/// Externalities Error.
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///
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/// Externalities are not really allowed to have errors, since it's assumed that dependent code
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/// would not be executed unless externalities were available. This is included for completeness,
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/// and as a transition away from the pre-existing framework.
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#[derive(Debug, Eq, PartialEq)]
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pub enum ExecutionError {
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/// Backend error.
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Backend(String),
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/// The entry `:code` doesn't exist in storage so there's no way we can execute anything.
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CodeEntryDoesNotExist,
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/// Backend is incompatible with execution proof generation process.
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UnableToGenerateProof,
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/// Invalid execution proof.
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InvalidProof,
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}
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impl fmt::Display for ExecutionError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "Externalities Error") }
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}
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