mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-11 22:21:07 +00:00
Generalize the Consensus Infrastructure (#883)
* Split out Consensus * Supply ImportQueue through network-service - simplify ImportQueue.import_blocks - remove Deadlock on import_block - Adding Verifier-Trait - Implement import_queue provisioning in service; allow cli to import * Allow to actually customize import queue * Consensus Gossip: Cache Message hash per Topic
This commit is contained in:
Benjamin Kampmann
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GitHub
GitHub
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a24e61cb29
commit
ac4bcf879f
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// Copyright 2017-2018 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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//! Error types in the BFT service.
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use runtime_version::RuntimeVersion;
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error_chain! {
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errors {
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/// Missing state at block with given descriptor.
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StateUnavailable(b: String) {
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description("State missing at given block."),
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display("State unavailable at block {}", b),
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}
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/// I/O terminated unexpectedly
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IoTerminated {
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description("I/O terminated unexpectedly."),
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display("I/O terminated unexpectedly."),
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}
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/// Unable to schedule wakeup.
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FaultyTimer(e: ::tokio::timer::Error) {
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description("Timer error"),
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display("Timer error: {}", e),
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}
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/// Unable to propose a block.
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CannotPropose {
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description("Unable to create block proposal."),
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display("Unable to create block proposal."),
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}
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/// Error checking signature
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InvalidSignature(s: ::primitives::ed25519::Signature, a: ::primitives::AuthorityId) {
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description("Message signature is invalid"),
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display("Message signature {:?} by {:?} is invalid.", s, a),
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}
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/// Account is not an authority.
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InvalidAuthority(a: ::primitives::AuthorityId) {
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description("Message sender is not a valid authority"),
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display("Message sender {:?} is not a valid authority.", a),
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}
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/// Authoring interface does not match the runtime.
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IncompatibleAuthoringRuntime(native: RuntimeVersion, on_chain: RuntimeVersion) {
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description("Authoring for current runtime is not supported"),
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display("Authoring for current runtime is not supported. Native ({}) cannot author for on-chain ({}).", native, on_chain),
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}
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/// Authoring interface does not match the runtime.
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RuntimeVersionMissing {
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description("Current runtime has no version"),
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display("Authoring for current runtime is not supported since it has no version."),
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}
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/// Authoring interface does not match the runtime.
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NativeRuntimeMissing {
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description("This build has no native runtime"),
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display("Authoring in current build is not supported since it has no runtime."),
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}
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/// Justification requirements not met.
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InvalidJustification {
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description("Invalid justification"),
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display("Invalid justification."),
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}
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/// Some other error.
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Other(e: Box<::std::error::Error + Send>) {
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description("Other error")
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display("Other error: {}", e.description())
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}
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}
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}
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impl From<::rhododendron::InputStreamConcluded> for Error {
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fn from(_: ::rhododendron::InputStreamConcluded) -> Error {
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ErrorKind::IoTerminated.into()
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}
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}
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,192 @@
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// Copyright 2017-2018 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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//! Utility for substrate-based runtimes that want to check misbehavior reports.
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use codec::{Codec, Encode};
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use primitives::{AuthorityId, Signature};
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use rhododendron::messages::{Action, Message, MisbehaviorKind};
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use runtime_io;
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// check a message signature. returns true if signed by that authority.
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fn check_message_sig<B: Codec, H: Codec>(
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message: Message<B, H>,
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signature: &Signature,
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from: &AuthorityId
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) -> bool {
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let msg: Vec<u8> = message.encode();
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runtime_io::ed25519_verify(&signature.0, &msg, from)
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}
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fn prepare<B, H>(parent: H, round_number: u32, hash: H) -> Message<B, H> {
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Message {
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parent,
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action: Action::Prepare(round_number, hash),
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}
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}
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fn commit<B, H>(parent: H, round_number: u32, hash: H) -> Message<B, H> {
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Message {
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parent,
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action: Action::Commit(round_number, hash),
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}
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}
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/// Evaluate misbehavior.
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///
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/// Doesn't check that the header hash in question is
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/// valid or whether the misbehaving authority was part of
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/// the set at that block.
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pub fn evaluate_misbehavior<B: Codec, H: Codec + Copy>(
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misbehaved: &AuthorityId,
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parent_hash: H,
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kind: &MisbehaviorKind<H>,
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) -> bool {
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match *kind {
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MisbehaviorKind::BftDoublePrepare(round, (h_1, ref s_1), (h_2, ref s_2)) => {
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s_1 != s_2 &&
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check_message_sig::<B, H>(prepare::<B, H>(parent_hash, round, h_1), s_1, misbehaved) &&
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check_message_sig::<B, H>(prepare::<B, H>(parent_hash, round, h_2), s_2, misbehaved)
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}
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MisbehaviorKind::BftDoubleCommit(round, (h_1, ref s_1), (h_2, ref s_2)) => {
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s_1 != s_2 &&
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check_message_sig::<B, H>(commit::<B, H>(parent_hash, round, h_1), s_1, misbehaved) &&
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check_message_sig::<B, H>(commit::<B, H>(parent_hash, round, h_2), s_2, misbehaved)
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use keyring::ed25519;
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use keyring::Keyring;
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use rhododendron;
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use runtime_primitives::testing::{H256, Block as RawBlock};
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type Block = RawBlock<u64>;
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fn sign_prepare(key: &ed25519::Pair, round: u32, hash: H256, parent_hash: H256) -> (H256, Signature) {
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let msg = ::sign_message::<Block>(
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rhododendron::Message::Vote(rhododendron::Vote::Prepare(round as _, hash)),
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key,
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parent_hash
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);
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match msg {
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rhododendron::LocalizedMessage::Vote(vote) => (hash, vote.signature.signature),
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_ => panic!("signing vote leads to signed vote"),
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}
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}
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fn sign_commit(key: &ed25519::Pair, round: u32, hash: H256, parent_hash: H256) -> (H256, Signature) {
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let msg = ::sign_message::<Block>(
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rhododendron::Message::Vote(rhododendron::Vote::Commit(round as _, hash)),
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key,
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parent_hash
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);
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match msg {
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rhododendron::LocalizedMessage::Vote(vote) => (hash, vote.signature.signature),
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_ => panic!("signing vote leads to signed vote"),
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}
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}
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#[test]
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fn evaluates_double_prepare() {
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let key: ed25519::Pair = Keyring::One.into();
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let parent_hash = [0xff; 32].into();
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let hash_1 = [0; 32].into();
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let hash_2 = [1; 32].into();
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assert!(evaluate_misbehavior::<Block, H256>(
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&key.public().into(),
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parent_hash,
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&MisbehaviorKind::BftDoublePrepare(
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1,
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sign_prepare(&key, 1, hash_1, parent_hash),
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sign_prepare(&key, 1, hash_2, parent_hash)
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)
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));
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// same signature twice is not misbehavior.
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let signed = sign_prepare(&key, 1, hash_1, parent_hash);
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assert!(evaluate_misbehavior::<Block, H256>(
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&key.public().into(),
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parent_hash,
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&MisbehaviorKind::BftDoublePrepare(
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1,
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signed,
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signed,
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)
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) == false);
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// misbehavior has wrong target.
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assert!(evaluate_misbehavior::<Block, H256>(
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&Keyring::Two.to_raw_public().into(),
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parent_hash,
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&MisbehaviorKind::BftDoublePrepare(
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1,
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sign_prepare(&key, 1, hash_1, parent_hash),
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sign_prepare(&key, 1, hash_2, parent_hash),
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)
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) == false);
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}
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#[test]
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fn evaluates_double_commit() {
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let key: ed25519::Pair = Keyring::One.into();
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let parent_hash = [0xff; 32].into();
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let hash_1 = [0; 32].into();
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let hash_2 = [1; 32].into();
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assert!(evaluate_misbehavior::<Block, H256>(
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&key.public().into(),
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parent_hash,
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&MisbehaviorKind::BftDoubleCommit(
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1,
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sign_commit(&key, 1, hash_1, parent_hash),
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sign_commit(&key, 1, hash_2, parent_hash)
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)
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));
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// same signature twice is not misbehavior.
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let signed = sign_commit(&key, 1, hash_1, parent_hash);
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assert!(evaluate_misbehavior::<Block, H256>(
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&key.public().into(),
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parent_hash,
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&MisbehaviorKind::BftDoubleCommit(
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1,
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signed,
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signed,
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)
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) == false);
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// misbehavior has wrong target.
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assert!(evaluate_misbehavior::<Block, H256>(
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&Keyring::Two.to_raw_public().into(),
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parent_hash,
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&MisbehaviorKind::BftDoubleCommit(
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1,
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sign_commit(&key, 1, hash_1, parent_hash),
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sign_commit(&key, 1, hash_2, parent_hash),
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)
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) == false);
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}
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}
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