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Squashed commit of slava-async-bridge:
commit 657deb4cf4b90f24b9c5bfd62764b197776c262c Author: Hernando Castano <castano.ha@gmail.com> Date: Wed Jan 29 20:14:20 2020 -0500 Move Slava's bridge code into relays folder commit 4868c42c7da959dde7252766996b3ed4e408e439 Author: Hernando Castano <castano.ha@gmail.com> Date: Wed Jan 29 20:01:06 2020 -0500 Move files into `modules/ethereum` commit d1093f3e4238acb1a1a020011452cb928d3f8d7a Merge: 29dc6f9 bfd30ef Author: Hernando Castano <castano.ha@gmail.com> Date: Wed Jan 29 19:59:27 2020 -0500 Merge branch 'master' of slava-async-bridge commit 29dc6f97b1b7d1db99086d35a5336f43d2f0f8af Author: Hernando Castano <castano.ha@gmail.com> Date: Wed Jan 29 19:51:31 2020 -0500 Squashed commit of the following: commit 265365920836bb1d286c9b48b1902a2de278fdd9 Author: Hernando Castano <castano.ha@gmail.com> Date: Wed Jan 29 19:51:15 2020 -0500 Move hc-jp-bridge repo to different folder commit 8271991e95320baba70bd1cb9c4234d0ffd5b638 Merge: 57d0811 304cbc5 Author: Hernando Castano <castano.ha@gmail.com> Date: Wed Jan 29 19:36:41 2020 -0500 Merge branch 'hc-jp-bridge-module' of hc-jp-bridge-module commit 304cbc5f02d003ffa5404c1c01e461e5b8539888 Author: Hernando Castano <HCastano@users.noreply.github.com> Date: Wed Jan 29 00:38:27 2020 -0500 Update bridge pallet to work with the (almost) lastest master (#4672) * Update decl_error usage * WIP: Update error handling to use DispatchResult * Get module compiling with new error handling * Make tests compile again Main change was updating the usage of InMemoryBackend * Move `sp-state-machine` into dev-dependencies * Bump dependencies to v2.0.0 * Remove some stray comments * Appy code review suggestion commit 510cd6d96372688517496efa61773ea2839f8474 Author: Hernando Castano <HCastano@users.noreply.github.com> Date: Tue Dec 17 12:52:51 2019 -0500 Move Bridge Pallet into FRAME (#4373) * Move `bridge` crate into `frame` folder * Make `bridge` pallet compile after `the-big-reorg` commit ab54e838ef75e6a3f68fd0944bf22598c10c552f Author: Hernando Castano <castano.ha@gmail.com> Date: Mon Nov 11 21:56:40 2019 +0100 Use new StorageProof type from #3834 commit 8fc8911fd1b4acc2274c6863fb3dba91b30c90af Author: Hernando Castano <HCastano@users.noreply.github.com> Date: Tue Nov 5 00:50:34 2019 +0100 Verify Ancestry between Headers (#3963) * Create module for checking ancestry proofs * Use Vec of Headers instead of a HashMap * Move the ancestry verification into the lib.rs file * Change the proof format to exclude `child` and `ancestor` headers * Add a testing function for building header chains * Rename AncestorNotFound error to InvalidAncestryProof * Use ancestor hash instead of header when verifying ancestry * Clean up some stuff missed in the merge commit dbe85738b68358b790cf927b34a804b965a88f96 or: Hernando Castano <HCastano@users.noreply.github.com> Date: Fri Nov 1 15:41:58 2019 +0100 Check given Grandpa validator set against set found in storage (#3915) * Make StorageProofChecker happy * Update some tests * Check given validator set against set found in storage * Use Finality Grandpa's Authority Id and Weight * Add better error handling * Use error type from decl_error! macro commit 31b09216603d3e9c21144ce8c0b6bf59307a4f97 or: Hernando Castano <HCastano@users.noreply.github.com> Date: Wed Oct 23 14:55:37 2019 +0200 Make tests work after the changes introduced in #3793 (#3874) * Make tests work after the changes introduced in #3793 * Remove unneccessary import commit bce6d804aa86504599ff912387295c58f846cbf3 Author: Jim Posen <jim.posen@gmail.com> Date: Thu Oct 10 12:18:58 2019 +0200 Logic for checking Substrate proofs from within runtime module. (#3783) commit a7013e94b6c772c1d45a7cacbb445f73f6554fca Author: Hernando Castano <castano.ha@gmail.com> Date: Fri Oct 4 15:21:00 2019 +0300 Allow tracking of multiple bridges commit 3cf648242d631e32bd553a67df54bf5a48912839 Author: Hernando Castano <castano.ha@gmail.com> Date: Tue Oct 1 14:55:04 2019 +0200 Add BridgeId => Bridge mapping commit 001c74c45072213e01857d0a2454379b447c5a76 Author: Hernando Castano <castano.ha@gmail.com> Date: Tue Oct 1 11:10:19 2019 +0200 Get the mock runtime for tests set up commit 38443a1e8b424ed2f148eb95121d009f730e3b5a Author: Hernando Castano <castano.ha@gmail.com> Date: Fri Sep 27 14:52:53 2019 +0200 Clean up some warnings commit bdc3b01401e89c7111f8bf71f84c50750d25089f Author: Hernando Castano <castano.ha@gmail.com> Date: Thu Sep 26 16:41:01 2019 +0200 Add more skeleton code commit 26995efbf4bac2842eb2822322f7ad3c3e88feb8 Author: Hernando Castano <castano.ha@gmail.com> Date: Wed Sep 25 15:16:57 2019 +0200 Create `bridge` module skeleton commit bfd30ef8363b1483ef1107ae1eb958a4e944c93b Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Tue Dec 10 12:10:53 2019 +0300 actually use signer from CLI to sign Substrate transactions commit 504028eac60d9d14ba95b506cd355b0d2f405ce0 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Tue Dec 10 12:02:22 2019 +0300 go offline for a bit on connection error commit 446d0c8d20187dfd1beb173958ea28f2ad97887d Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Tue Dec 10 11:25:50 2019 +0300 enable info logs by default commit d039c60ec72bc91adfdad85442bc99a93b7f8e8d Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Tue Dec 10 11:12:51 2019 +0300 support basic CLI arguments commit 65c6d48e23576f36e8541878b920a03730226392 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 15:37:48 2019 +0300 fix restart commit 96e94c1c4b22d732078f8c401b872c5f8246c3fe Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 14:57:53 2019 +0300 license commit 68f4191e6cdd211ac8975e0b79f8a6f46a3ca953 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 14:56:05 2019 +0300 restart sync when Substrate reorgs && we are unlucky commit 29887c446167d580d73cc03a0b71c31890cafb51 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 13:49:31 2019 +0300 only read genesis hash once commit 832492b8393fe2063adf9c58c2b9e060dc3e4efb Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 13:23:26 2019 +0300 changed TODO commit 9dbc130e5fa036ae63d973819daf30f4ed6ffb5b Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 13:16:56 2019 +0300 removed obsolete exit future commit d03408cd8284eb0c61e7e96429b4f6199353e030 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 13:16:17 2019 +0300 removed obsolete TODOs + moved a couple of TODOs to runtime module commit ed8bec44b79f9a2ce829e59f10181368b2f42139 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 12:37:05 2019 +0300 explained TODO fix commit aa9c4c66ec2904eeb6072d654718b0ac0b7d8803 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 12:28:09 2019 +0300 fix tx outcome serialization commit 126f8f5484dac8c4af588ae86dc8855919d6c822 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Mon Dec 9 12:05:05 2019 +0300 prune old ethereum headers when Substrate best header is too far in the future commit c7bd301e631a44fe3263e188d0956081aa84f31e Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Fri Dec 6 12:51:50 2019 +0300 fix trace commit 549bb7acdb30cfdafe6c8600f0410212539ea63d Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Fri Dec 6 12:51:26 2019 +0300 tx hashes are already a part of Block response commit 7864017909f87ea36955d605a924c3c88bc88df3 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Thu Dec 5 12:29:37 2019 +0300 submit bunch of headers at once + some fixes commit 96485f85d38c144f0771f02ba692216a60356665 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Wed Dec 4 17:22:13 2019 +0300 print status messages commit ae0ec4c087136db653339537daab7f96a8c21b65 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Wed Dec 4 17:06:00 2019 +0300 continue actual Substrate client implementation commit 8146293740d70b88904568ff8e5acdfbadf06fd3 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Wed Dec 4 13:49:30 2019 +0300 fix IncompleteHeader condition commit 767c6201157dabcccf7f62e643681ca298224fb1 Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Wed Dec 4 10:55:06 2019 +0300 actual Substrate client implementation commit 221fd4ccd2b1eea12c9dacf800d80e15ec115c1b Author: Svyatoslav Nikolsky <svyatonik@gmail.com> Date: Wed Nov 20 17:28:13 2019 +0300 initial commit
This commit is contained in:
Hernando Castano
committed by
Bastian Köcher
Bastian Köcher
parent
d530bf2199
commit
479c5bd99a
@@ -0,0 +1,170 @@
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// Copyright 2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity-Bridge.
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// Parity-Bridge 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-Bridge 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-Bridge. If not, see <http://www.gnu.org/licenses/>.
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use jsonrpsee_core::{client::ClientError, common::Params};
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use jsonrpsee_http::{HttpClient, RequestError, http_client};
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use serde::de::DeserializeOwned;
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use serde_json::{from_value, to_value};
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use crate::ethereum_sync_loop::MaybeConnectionError;
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use crate::ethereum_types::{H256, Header, HeaderId, Receipt, U64};
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/// Proof of hash serialization success.
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const HASH_SERIALIZATION_PROOF: &'static str = "hash serialization never fails; qed";
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/// Proof of integer serialization success.
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const INT_SERIALIZATION_PROOF: &'static str = "integer serialization never fails; qed";
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/// Proof of bool serialization success.
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const BOOL_SERIALIZATION_PROOF: &'static str = "bool serialization never fails; qed";
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/// Ethereum client type.
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pub type Client = HttpClient;
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/// All possible errors that can occur during interacting with Ethereum node.
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#[derive(Debug)]
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pub enum Error {
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/// Request start failed.
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StartRequestFailed(RequestError),
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/// Request not found (should never occur?).
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RequestNotFound,
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/// Failed to receive response.
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ResponseRetrievalFailed(ClientError<RequestError>),
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/// Failed to parse response.
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ResponseParseFailed(serde_json::Error),
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/// We have received header with missing number and hash fields.
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IncompleteHeader,
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/// We have received receipt with missing gas_used field.
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IncompleteReceipt,
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}
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impl MaybeConnectionError for Error {
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fn is_connection_error(&self) -> bool {
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match *self {
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Error::StartRequestFailed(_) | Error::ResponseRetrievalFailed(_) => true,
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_ => false,
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}
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}
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}
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/// Returns client that is able to call RPCs on Ethereum node.
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pub fn client(uri: &str) -> Client {
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http_client(uri)
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}
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/// Retrieve best known block number from Ethereum node.
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pub async fn best_block_number(client: Client) -> (Client, Result<u64, Error>) {
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let (client, result) = call_rpc::<U64>(
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client,
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"eth_blockNumber",
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Params::None,
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).await;
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(client, result.map(|x| x.as_u64()))
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}
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/// Retrieve block header by its number from Ethereum node.
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pub async fn header_by_number(client: Client, number: u64) -> (Client, Result<Header, Error>) {
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let (client, header) = call_rpc(
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client,
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"eth_getBlockByNumber",
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Params::Array(vec![
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to_value(U64::from(number)).expect(INT_SERIALIZATION_PROOF),
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to_value(false).expect(BOOL_SERIALIZATION_PROOF),
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]),
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).await;
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(client, header.and_then(|header: Header| match header.number.is_some() && header.hash.is_some() {
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true => Ok(header),
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false => Err(Error::IncompleteHeader),
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}))
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}
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/// Retrieve block header by its hash from Ethereum node.
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pub async fn header_by_hash(client: Client, hash: H256) -> (Client, Result<Header, Error>) {
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let (client, header) = call_rpc(
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client,
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"eth_getBlockByHash",
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Params::Array(vec![
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to_value(hash).expect(HASH_SERIALIZATION_PROOF),
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to_value(false).expect(BOOL_SERIALIZATION_PROOF),
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]),
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).await;
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(client, header.and_then(|header: Header| match header.number.is_none() && header.hash.is_none() {
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true => Ok(header),
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false => Err(Error::IncompleteHeader),
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}))
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}
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/// Retrieve transactions receipts for given block.
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pub async fn transactions_receipts(
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mut client: Client,
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id: HeaderId,
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transacactions: Vec<H256>,
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) -> (Client, Result<(HeaderId, Vec<Receipt>), Error>) {
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let mut transactions_receipts = Vec::with_capacity(transacactions.len());
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for transacaction in transacactions {
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let (next_client, transaction_receipt) = transaction_receipt(client, transacaction).await;
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let transaction_receipt = match transaction_receipt {
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Ok(transaction_receipt) => transaction_receipt,
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Err(error) => return (next_client, Err(error)),
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};
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transactions_receipts.push(transaction_receipt);
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client = next_client;
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}
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(client, Ok((id, transactions_receipts)))
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}
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/// Retrieve transaction receipt by transaction hash.
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async fn transaction_receipt(client: Client, hash: H256) -> (Client, Result<Receipt, Error>) {
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let (client, receipt) = call_rpc::<Receipt>(
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client,
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"eth_getTransactionReceipt",
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Params::Array(vec![
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to_value(hash).expect(HASH_SERIALIZATION_PROOF),
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]),
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).await;
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(client, receipt.and_then(|receipt| {
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match receipt.gas_used.is_some() {
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true => Ok(receipt),
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false => Err(Error::IncompleteReceipt),
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}
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}))
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}
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/// Calls RPC on Ethereum node.
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async fn call_rpc<T: DeserializeOwned>(
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mut client: Client,
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method: &'static str,
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params: Params,
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) -> (Client, Result<T, Error>) {
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async fn do_call_rpc<T: DeserializeOwned>(
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client: &mut Client,
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method: &'static str,
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params: Params,
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) -> Result<T, Error> {
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let request_id = client
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.start_request(method, params)
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.await
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.map_err(Error::StartRequestFailed)?;
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// WARN: if there'll be need for executing >1 request at a time, we should avoid
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// calling request_by_id
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let response = client
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.request_by_id(request_id)
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.ok_or(Error::RequestNotFound)?
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.await
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.map_err(Error::ResponseRetrievalFailed)?;
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from_value(response).map_err(Error::ResponseParseFailed)
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}
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let result = do_call_rpc(&mut client, method, params).await;
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(client, result)
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}
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