Squashed commit of Rust-ifying the repo:

commit e31c1965a2e6b9a21ce68be63b81915b2b090f1d Author: Hernando Castano <castano.ha@gmail.com> Date: Sun Feb 2 21:15:42 2020 -0500 Get Ethereum bridge module compiling commit a497fc1640e68682f61b39414ffb15206c6120e2 Author: Hernando Castano <castano.ha@gmail.com> Date: Thu Jan 30 12:15:43 2020 -0500 Make the toml file look a bit better commit 898fb7b06cfac7cf866e1a28fed9a4f02bd246a7 Author: Hernando Castano <castano.ha@gmail.com> Date: Thu Jan 30 12:06:27 2020 -0500 Get substrate bridge module compiling commit 81e1547e6bec9f590cad9ffba0ee5dfa82cda1c1 Author: Hernando Castano <castano.ha@gmail.com> Date: Thu Jan 30 11:40:29 2020 -0500 Create workspace and move more files around
2026-05-31 01:41:03 +00:00 · 2020-02-02 21:29:06 -05:00
parent c06777a42a
commit fbaa803034
25 changed files with 142 additions and 6355 deletions
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+// Copyright 2019 Parity Technologies (UK) Ltd.
+// This file is part of Parity-Bridge.
+
+// Parity-Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity-Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity-Bridge.  If not, see <http://www.gnu.org/licenses/>.
+
+use sp_runtime::RuntimeDebug;
+
+/// Header import error.
+#[derive(RuntimeDebug)]
+#[cfg_attr(feature = "std", derive(PartialEq))]
+pub enum Error {
+	/// The header is beyound last finalized and can not be imported.
+	AncientHeader,
+	/// The header is already imported.
+	KnownHeader,
+	/// Seal has an incorrect format.
+	InvalidSealArity,
+	/// Block number isn't sensible.
+	RidiculousNumber,
+	/// Block has too much gas used.
+	TooMuchGasUsed,
+	/// Gas limit header field is invalid.
+	InvalidGasLimit,
+	/// Extra data is of an invalid length.
+	ExtraDataOutOfBounds,
+	/// Timestamp header overflowed.
+	TimestampOverflow,
+	/// The parent header is missing from the blockchain.
+	MissingParentBlock,
+	/// The header step is missing from the header.
+	MissingStep,
+	/// The header signature is missing from the header.
+	MissingSignature,
+	/// Empty steps are missing from the header.
+	MissingEmptySteps,
+	/// The same author issued different votes at the same step.
+	DoubleVote,
+	/// Validation proof insufficient.
+	InsufficientProof,
+	/// Difficulty header field is invalid.
+	InvalidDifficulty,
+	/// The received block is from an incorrect proposer.
+	NotValidator,
+	/// Missing transaction receipts for the operation.
+	MissingTransactionsReceipts,
+	/// Provided transactions receipts are not matching the header.
+	TransactionsReceiptsMismatch,
+}
+
+impl Error {
+	pub fn msg(&self) -> &'static str {
+		match *self {
+			Error::AncientHeader => "Header is beyound last finalized and can not be imported",
+			Error::KnownHeader => "Header is already imported",
+			Error::InvalidSealArity => "Header has an incorrect seal",
+			Error::RidiculousNumber => "Header has too large number",
+			Error::TooMuchGasUsed => "Header has too much gas used",
+			Error::InvalidGasLimit => "Header has invalid gas limit",
+			Error::ExtraDataOutOfBounds => "Header has too large extra data",
+			Error::TimestampOverflow => "Header has too large timestamp",
+			Error::MissingParentBlock => "Header has unknown parent hash",
+			Error::MissingStep => "Header is missing step seal",
+			Error::MissingSignature => "Header is missing signature seal",
+			Error::MissingEmptySteps => "Header is missing empty steps seal",
+			Error::DoubleVote => "Header has invalid step in seal",
+			Error::InsufficientProof => "Header has insufficient proof",
+			Error::InvalidDifficulty => "Header has invalid difficulty",
+			Error::NotValidator => "Header is sealed by unexpected validator",
+			Error::MissingTransactionsReceipts => "The import operation requires transactions receipts",
+			Error::TransactionsReceiptsMismatch => "Invalid transactions receipts provided",
+		}
+	}
+}