mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-30 15:11:02 +00:00
Squashed 'bridges/' changes from 23dda62482..407bf44a8a
407bf44a8a add missing license header (#1204) 9babb19810 Custom relay strategy (#1198) c287872a11 fix clippy things (#1200) 3a40e62789 Expose some const value and type (#1186) 32b61476d1 increase sleep before connectingMillau (#1195) aabe7041fa revert messages transactions mortality (#1194) 3651f4f909 Message transactions mortality (#1191) 364d6e155d Bump dependencies (#1180) f0389acc08 cargo +nightly fmt --all (#1192) b270b6a016 Unify error enums in substrate and ethereum clients with `thiserror` (#1094) 58c4946f74 Limit max call size of Rialto/Millau runtimes (#1187) fd56a8cd56 Add UI to the deployment (#1047) 16f01dc736 Westend -> Millau alerts are pending before notifications are sent (#1184) 5628c11ece replace collective flip with babe randomness in Rialto (#1188) 1094a63b00 ignore another (pretty bad) RUSTSEC (#1185) 379fe323ea fix/ignore cargo deny issues (#1183) 92af5e6e64 additional log in finality relay + rephrase "failed" (#1182) b996a3b681 Rialto parachain in test deployments (#1178) 28d9332b44 Resubmit transactions strategy for Polkadot/Kusama (#1175) d0172c6847 Playing with CI (#1179) fb6f42456d fix checks order when registering parachain (#1177) ee828c005a Register-parachain subcommand of substrate-relay (#1170) 8cd2b1a112 Token swap pallet benchmarks (#1174) bb811accb1 fix collision with westend bridge (#1172) 8d2fba70ed add token swaps to test deployments (#1169) b6d1bdfe2c publish rialto parachain collator image (#1171) 834ae4a10a Fix OutboundLaneData types (#1159) 5ee0ea1626 copypasted -> copied (#1168) c3bb835f18 fix spelling (#1167) f90d041dc9 Upgrade `jsonrpsee` to v0.3 (#1051) 598c9b6d0d add some basic tests for swap tokens (#1164) 05e88c61f5 publish images when tag of specific format(e.g. v2021-09-27 + v2021-09-27-1) is published (#1166) 7f3f94a6e0 Fix CI again (#1165) ff37de332f Move calculation relayer reward into `MessageDeliveryAndDispatchPayment` (#1153) 36fbba839b fix clippy warning (#1163) 16da44d018 explicit wasm build (#1158) c9c8226449 Match substrate's fmt (#1148) 2fdd7f3e5e Fix/ignore clippy warnings (#1157) 43dfcc2686 Adding LookupAddress (#1156) 951eaa5582 Add rialto-parachain runtime and node (#1142) 803d266d61 Rename MessageId -> BridgeMessageId (#1152) 5f234484fc Box large arguments of GRANDPA pallet (#1154) cf9abc1011 Fix spelling (#1150) ab83ba2e58 Relay subcommand that performs token RLT <> MLAU token swap (#1141) 832536caf0 Polkadot <> Kusama relayers (#1122) 6d0daa8975 Add `OnMessageAccepted` callback (#1134) 5d03a20b3e Integrate token swap pallet into Millau runtime (#1099) ea4cfa833e Adding MultiAddress type and ValidationCodeHash (#1139) c20325a784 Add tests for `Raw` and `BridgeSendMessage` enum `Call` variants (#1125) 6d802416e2 increase pause before pining Rialto nodes (#1137) b54fa56b62 calculate fee using full message payload (#1132) ca5d8178f5 Add parachain pallets to rialto runtime (#1053) 9eaae4142e fix transaction resubmitter limits for Millau -> Rialto transactions (#1135) 9d4e17783c add --mandatory-headers-only cli option to complex relay (#1129) 1c5e0ec1cb Add local CI info to README (#1131) a8e0929e14 chore: spellchecker fixes (#1130) 3b8e2118e3 set fee for importing mandatory headers to zero (#1127) 49bba9aa52 another bunch of words for spellchecker (#1128) 8a72eafef6 Increase pause before messages generation start (#1126) 1f0ba9a191 Move some associated types from relay_substrate_client::Chain to bp_runtime::Chain (#1087) 74bc1a5b54 Transactions resubmitter (#1083) 21ba001f26 log max balance drop when sending message (#1117) 638a7ddffa Code Cleaning (#1124) be6555c51b Fix buildah logout (#1120) 87539c4a98 Format code work (#1116) 526fe7fdd7 fix spelling (#1119) bd4ce7f241 Fix spelling (#1118) 3c1147858e added missing constants to Kusama/Polkadot primitives (#1114) 52093b22ab Fix delivery transaction estimation used by rational relayer (#1109) 77a2f2fbed Remove fund account checks from upgrade. (#1111) 824334802b Rename param and update comment (#1108) d7784bfe06 Fix spellcheck (#1110) 0b18f5906a Refactor substrate messages source and substrate messages target (#1105) b27240bbff fix compilation (#1107) 9697da4fe8 Emit mortal transactions from relay (#1073) b29396c077 Change vault vars type to env vars (#1084) 35e0bbdc0c Make clippy mandatory. (#1103) a517e8541f Remove unused deps (#1102) 873dae608a Remove unnessary deps (#1101) 13450b74ee Stored conversion rate updater (#1005) 74389829f3 [BREAKING] Migrate messages pallet to frame v2 (#1088) 424da938dd README fix (#1100) 865744c909 upgrade currency exchange pallet to frame v2 (#1097) b5038148b3 Add missing docs (#1095) 0791e911c1 Common crate for substrate-relay (#1082) 3834c9d880 Update high-level-overview.md (#1093) c93553face Increase the time window for messaging alerts. (#1092) 8b9cc3cecd migrate pallet-shift-session-manager to frame v2 (#1090) dc91813c22 migrate eth PoA pallet to frame v2 (#1091) f16bb098cc Migrate dispatch pallet to frame v2 (#1089) 19f4325348 Bridge/This Chain Ids should be exposed as constants on pallet level. (#1085) 6381122df7 Change ChainSpec::from_genesis for Rialto and Millau chains to reflect the chain names. (#1079) 0f1d33e973 Make CI happy again (#1086) 238e65d96f fix typo (#1080) fc008457b6 Token-swap-over-bridge pallet (#944) 3fb97fa5ef Fix full spellcheck (#1076) eae4ed7170 fixed wrong trace (#1075) 219a0fad04 merge two weight-related loops in messages pallet (#1071) fc85632fdb increase_message_fee depends on stored mesage size (#1066) 530f37a23b companion for https://github.com/paritytech/polkadot/pull/3507 (#1067) 53b8cba683 sc_basic_authorship=trace for millau nodes (#1074) 9874e05e98 Improve traces of message generator scripts (#1069) 7b5ee84fbb extract message_details impl into runtime common (#1070) 5a4aed5a8b refund weight for mot pruning messages (#1062) 90e3d1e111 Fix Westend -> Millau sync (#1064) 427d30ddfc When restarting client, also "restart" tokio runtime (#1065) d47c05eeef Change get pipeline sensitive variables from Vault instead of GitLab settings (#1063) d775a85415 use tokio reactor to execute jsonrpsee futures (#1061) 15c8cd61cb Use BABE to author blocks on Rialto (previously: Aura) (#1050) 5186293500 Allow reading suri && password override from file (#1059) b506298262 Update jsonrpsee reference (#1049) 1734d00517 enable weight fee adjustent in Rialto/Millau (#1044) 607265afae Pay dispatch fee at target chain cli option (#1043) ce79ef91be bump dependencies before start referencing polkadot repo (#1048) 924fa24f6d Cli option for greedy relayer + run no-losses relayer by default (#1042) e21eba7b59 Yrong README Fixup + M1 Fixes (#1045) 20d08204a2 Confirm delivery detects when more than expected messages are confirmed (#1039) 994b846b52 pre and post dispatch weights of OnDeliveryConfirmed callback (#1040) 1dd5297e84 give real value to Rialto and Millau tokens (#1038) 035bee8715 Use real conversion rate in greedy relayer strategy (#1035) 9cfaecd0f7 fixed metrics prefix (#1037) 1d8d224937 Use kebab-case for bridge arguments (#1036) f30a4c79a6 Shared reference to conversion rate metric value (#1034) c34d7a5cbb estimate transaction fee (#1015) 93404b18bb change alert period from 2m to 10m for Westend -> Millau (GRANDPA or public node itself is lagging sometimes) (#1032) git-subtree-dir: bridges git-subtree-split: 407bf44a8a5f4e60aceef2dc755cd9ff09929ac3
This commit is contained in:
antonio-dropulic
@@ -1,41 +0,0 @@
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[package]
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name = "bp-runtime"
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description = "Primitives that may be used at (bridges) runtime level."
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version = "0.1.0"
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authors = ["Parity Technologies <admin@parity.io>"]
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edition = "2018"
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license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
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[dependencies]
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codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false }
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hash-db = { version = "0.15.2", default-features = false }
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num-traits = { version = "0.2", default-features = false }
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# Substrate Dependencies
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frame-support = { git = "https://github.com/paritytech/substrate", branch = "master" , default-features = false }
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sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" , default-features = false }
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sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" , default-features = false }
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sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" , default-features = false }
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sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
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sp-std = { git = "https://github.com/paritytech/substrate", branch = "master" , default-features = false }
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sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" , default-features = false }
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[dev-dependencies]
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sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
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[features]
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default = ["std"]
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std = [
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"codec/std",
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"frame-support/std",
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"hash-db/std",
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"num-traits/std",
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"sp-core/std",
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"sp-io/std",
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"sp-runtime/std",
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"sp-std/std",
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"sp-state-machine/std",
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"sp-trie/std",
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]
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@@ -1,87 +0,0 @@
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// Copyright 2019-2021 Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common 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 Bridges Common 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 Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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use frame_support::Parameter;
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use num_traits::AsPrimitive;
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use sp_runtime::traits::{
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AtLeast32BitUnsigned, Hash as HashT, Header as HeaderT, MaybeDisplay, MaybeMallocSizeOf, MaybeSerializeDeserialize,
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Member, SimpleBitOps,
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};
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use sp_std::str::FromStr;
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/// Minimal Substrate-based chain representation that may be used from no_std environment.
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pub trait Chain: Send + Sync + 'static {
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/// A type that fulfills the abstract idea of what a Substrate block number is.
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// Constraits come from the associated Number type of `sp_runtime::traits::Header`
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// See here for more info:
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// https://crates.parity.io/sp_runtime/traits/trait.Header.html#associatedtype.Number
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//
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// Note that the `AsPrimitive<usize>` trait is required by the GRANDPA justification
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// verifier, and is not usually part of a Substrate Header's Number type.
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type BlockNumber: Parameter
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+ Member
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+ MaybeSerializeDeserialize
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+ sp_std::hash::Hash
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+ Copy
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+ Default
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+ MaybeDisplay
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+ AtLeast32BitUnsigned
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+ FromStr
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+ MaybeMallocSizeOf
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+ AsPrimitive<usize>
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+ Default;
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/// A type that fulfills the abstract idea of what a Substrate hash is.
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// Constraits come from the associated Hash type of `sp_runtime::traits::Header`
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// See here for more info:
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// https://crates.parity.io/sp_runtime/traits/trait.Header.html#associatedtype.Hash
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type Hash: Parameter
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+ Member
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+ MaybeSerializeDeserialize
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+ sp_std::hash::Hash
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+ Ord
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+ Copy
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+ MaybeDisplay
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+ Default
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+ SimpleBitOps
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+ AsRef<[u8]>
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+ AsMut<[u8]>
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+ MaybeMallocSizeOf;
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/// A type that fulfills the abstract idea of what a Substrate hasher (a type
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/// that produces hashes) is.
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// Constraits come from the associated Hashing type of `sp_runtime::traits::Header`
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// See here for more info:
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// https://crates.parity.io/sp_runtime/traits/trait.Header.html#associatedtype.Hashing
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type Hasher: HashT<Output = Self::Hash>;
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/// A type that fulfills the abstract idea of what a Substrate header is.
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// See here for more info:
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// https://crates.parity.io/sp_runtime/traits/trait.Header.html
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type Header: Parameter + HeaderT<Number = Self::BlockNumber, Hash = Self::Hash> + MaybeSerializeDeserialize;
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}
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/// Block number used by the chain.
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pub type BlockNumberOf<C> = <C as Chain>::BlockNumber;
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/// Hash type used by the chain.
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pub type HashOf<C> = <C as Chain>::Hash;
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/// Hasher type used by the chain.
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pub type HasherOf<C> = <C as Chain>::Hasher;
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/// Header type used by the chain.
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pub type HeaderOf<C> = <C as Chain>::Header;
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@@ -1,140 +0,0 @@
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// Copyright 2019-2021 Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common 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
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
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|
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Primitives that may be used at (bridges) runtime level.
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#![cfg_attr(not(feature = "std"), no_std)]
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use codec::Encode;
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use sp_core::hash::H256;
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use sp_io::hashing::blake2_256;
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use sp_std::convert::TryFrom;
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pub use chain::{BlockNumberOf, Chain, HashOf, HasherOf, HeaderOf};
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pub use storage_proof::{Error as StorageProofError, StorageProofChecker};
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#[cfg(feature = "std")]
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pub use storage_proof::craft_valid_storage_proof;
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pub mod messages;
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mod chain;
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mod storage_proof;
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/// Use this when something must be shared among all instances.
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pub const NO_INSTANCE_ID: ChainId = [0, 0, 0, 0];
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/// Bridge-with-Rialto instance id.
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pub const RIALTO_CHAIN_ID: ChainId = *b"rlto";
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/// Bridge-with-Millau instance id.
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pub const MILLAU_CHAIN_ID: ChainId = *b"mlau";
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/// Bridge-with-Polkadot instance id.
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pub const POLKADOT_CHAIN_ID: ChainId = *b"pdot";
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/// Bridge-with-Kusama instance id.
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pub const KUSAMA_CHAIN_ID: ChainId = *b"ksma";
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/// Bridge-with-Rococo instance id.
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pub const ROCOCO_CHAIN_ID: ChainId = *b"roco";
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/// Bridge-with-Wococo instance id.
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pub const WOCOCO_CHAIN_ID: ChainId = *b"woco";
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/// Call-dispatch module prefix.
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pub const CALL_DISPATCH_MODULE_PREFIX: &[u8] = b"pallet-bridge/dispatch";
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/// A unique prefix for entropy when generating cross-chain account IDs.
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pub const ACCOUNT_DERIVATION_PREFIX: &[u8] = b"pallet-bridge/account-derivation/account";
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/// A unique prefix for entropy when generating a cross-chain account ID for the Root account.
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pub const ROOT_ACCOUNT_DERIVATION_PREFIX: &[u8] = b"pallet-bridge/account-derivation/root";
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/// Unique identifier of the chain.
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///
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/// In addition to its main function (identifying the chain), this type may also be used to
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/// identify module instance. We have a bunch of pallets that may be used in different bridges. E.g.
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/// messages pallet may be deployed twice in the same runtime to bridge ThisChain with Chain1 and Chain2.
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/// Sometimes we need to be able to identify deployed instance dynamically. This type may be used for that.
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pub type ChainId = [u8; 4];
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/// Type of accounts on the source chain.
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pub enum SourceAccount<T> {
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/// An account that belongs to Root (privileged origin).
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Root,
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/// A non-priviledged account.
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///
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/// The embedded account ID may or may not have a private key depending on the "owner" of the
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/// account (private key, pallet, proxy, etc.).
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Account(T),
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}
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/// Derive an account ID from a foreign account ID.
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///
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/// This function returns an encoded Blake2 hash. It is the responsibility of the caller to ensure
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/// this can be successfully decoded into an AccountId.
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///
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/// The `bridge_id` is used to provide extra entropy when producing account IDs. This helps prevent
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/// AccountId collisions between different bridges on a single target chain.
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///
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/// Note: If the same `bridge_id` is used across different chains (for example, if one source chain
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/// is bridged to multiple target chains), then all the derived accounts would be the same across
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/// the different chains. This could negatively impact users' privacy across chains.
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pub fn derive_account_id<AccountId>(bridge_id: ChainId, id: SourceAccount<AccountId>) -> H256
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where
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AccountId: Encode,
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{
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match id {
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SourceAccount::Root => (ROOT_ACCOUNT_DERIVATION_PREFIX, bridge_id).using_encoded(blake2_256),
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SourceAccount::Account(id) => (ACCOUNT_DERIVATION_PREFIX, bridge_id, id).using_encoded(blake2_256),
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}
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.into()
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}
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/// Derive the account ID of the shared relayer fund account.
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///
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/// This account is used to collect fees for relayers that are passing messages across the bridge.
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///
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/// The account ID can be the same across different instances of `pallet-bridge-messages` if the same
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/// `bridge_id` is used.
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pub fn derive_relayer_fund_account_id(bridge_id: ChainId) -> H256 {
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("relayer-fund-account", bridge_id).using_encoded(blake2_256).into()
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}
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/// Anything that has size.
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pub trait Size {
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/// Return approximate size of this object (in bytes).
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///
|
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/// This function should be lightweight. The result should not necessary be absolutely
|
||||
/// accurate.
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fn size_hint(&self) -> u32;
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}
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|
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impl Size for () {
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||||
fn size_hint(&self) -> u32 {
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0
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||||
}
|
||||
}
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|
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/// Pre-computed size.
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pub struct PreComputedSize(pub usize);
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impl Size for PreComputedSize {
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fn size_hint(&self) -> u32 {
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u32::try_from(self.0).unwrap_or(u32::MAX)
|
||||
}
|
||||
}
|
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@@ -1,56 +0,0 @@
|
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// Copyright 2019-2021 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Parity Bridges Common.
|
||||
|
||||
// Parity Bridges Common 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 Bridges Common 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 Bridges Common. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! Primitives that may be used by different message delivery and dispatch mechanisms.
|
||||
|
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use codec::{Decode, Encode};
|
||||
use frame_support::{weights::Weight, RuntimeDebug};
|
||||
|
||||
/// Where message dispatch fee is paid?
|
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#[derive(Encode, Decode, RuntimeDebug, Clone, Copy, PartialEq, Eq)]
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pub enum DispatchFeePayment {
|
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/// The dispacth fee is paid at the source chain.
|
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AtSourceChain,
|
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/// The dispatch fee is paid at the target chain.
|
||||
///
|
||||
/// The fee will be paid right before the message is dispatched. So in case of any other
|
||||
/// issues (like invalid call encoding, invalid signature, ...) the dispatch module won't
|
||||
/// do any direct transfers. Instead, it'll return fee related to this message dispatch to the
|
||||
/// relayer.
|
||||
AtTargetChain,
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||||
}
|
||||
|
||||
/// Message dispatch result.
|
||||
#[derive(Encode, Decode, RuntimeDebug, Clone, PartialEq, Eq)]
|
||||
pub struct MessageDispatchResult {
|
||||
/// Dispatch result flag. This flag is relayed back to the source chain and, generally
|
||||
/// speaking, may bring any (that fits in single bit) information from the dispatcher at
|
||||
/// the target chain to the message submitter at the source chain. If you're using immediate
|
||||
/// call dispatcher, then it'll be result of the dispatch - `true` if dispatch has succeeded
|
||||
/// and `false` otherwise.
|
||||
pub dispatch_result: bool,
|
||||
/// Unspent dispatch weight. This weight that will be deducted from total delivery transaction
|
||||
/// weight, thus reducing the transaction cost. This shall not be zero in (at least) two cases:
|
||||
///
|
||||
/// 1) if message has been dispatched successfully, but post-dispatch weight is less than
|
||||
/// the weight, declared by the message sender;
|
||||
/// 2) if message has not been dispatched at all.
|
||||
pub unspent_weight: Weight,
|
||||
/// Whether the message dispatch fee has been paid during dispatch. This will be true if your
|
||||
/// configuration supports pay-dispatch-fee-at-target-chain option and message sender has enabled
|
||||
/// this option.
|
||||
pub dispatch_fee_paid_during_dispatch: bool,
|
||||
}
|
||||
@@ -1,112 +0,0 @@
|
||||
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
|
||||
// This file is part of Parity Bridges Common.
|
||||
|
||||
// Parity Bridges Common 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 Bridges Common 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 Bridges Common. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! Logic for checking Substrate storage proofs.
|
||||
|
||||
use hash_db::{HashDB, Hasher, EMPTY_PREFIX};
|
||||
use sp_runtime::RuntimeDebug;
|
||||
use sp_std::vec::Vec;
|
||||
use sp_trie::{read_trie_value, Layout, MemoryDB, StorageProof};
|
||||
|
||||
/// This struct is used to read storage values from a subset of a Merklized database. The "proof"
|
||||
/// is a subset of the nodes in the Merkle structure of the database, so that it provides
|
||||
/// authentication against a known Merkle root as well as the values in the database themselves.
|
||||
pub struct StorageProofChecker<H>
|
||||
where
|
||||
H: Hasher,
|
||||
{
|
||||
root: H::Out,
|
||||
db: MemoryDB<H>,
|
||||
}
|
||||
|
||||
impl<H> StorageProofChecker<H>
|
||||
where
|
||||
H: Hasher,
|
||||
{
|
||||
/// Constructs a new storage proof checker.
|
||||
///
|
||||
/// This returns an error if the given proof is invalid with respect to the given root.
|
||||
pub fn new(root: H::Out, proof: StorageProof) -> Result<Self, Error> {
|
||||
let db = proof.into_memory_db();
|
||||
if !db.contains(&root, EMPTY_PREFIX) {
|
||||
return Err(Error::StorageRootMismatch);
|
||||
}
|
||||
|
||||
let checker = StorageProofChecker { root, db };
|
||||
Ok(checker)
|
||||
}
|
||||
|
||||
/// Reads a value from the available subset of storage. If the value cannot be read due to an
|
||||
/// incomplete or otherwise invalid proof, this returns an error.
|
||||
pub fn read_value(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Error> {
|
||||
read_trie_value::<Layout<H>, _>(&self.db, &self.root, key).map_err(|_| Error::StorageValueUnavailable)
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(RuntimeDebug, PartialEq)]
|
||||
pub enum Error {
|
||||
StorageRootMismatch,
|
||||
StorageValueUnavailable,
|
||||
}
|
||||
|
||||
/// Return valid storage proof and state root.
|
||||
///
|
||||
/// NOTE: This should only be used for **testing**.
|
||||
#[cfg(feature = "std")]
|
||||
pub fn craft_valid_storage_proof() -> (sp_core::H256, StorageProof) {
|
||||
use sp_state_machine::{backend::Backend, prove_read, InMemoryBackend};
|
||||
|
||||
// construct storage proof
|
||||
let backend = <InMemoryBackend<sp_core::Blake2Hasher>>::from(vec![
|
||||
(None, vec![(b"key1".to_vec(), Some(b"value1".to_vec()))]),
|
||||
(None, vec![(b"key2".to_vec(), Some(b"value2".to_vec()))]),
|
||||
(None, vec![(b"key3".to_vec(), Some(b"value3".to_vec()))]),
|
||||
// Value is too big to fit in a branch node
|
||||
(None, vec![(b"key11".to_vec(), Some(vec![0u8; 32]))]),
|
||||
]);
|
||||
let root = backend.storage_root(std::iter::empty()).0;
|
||||
let proof = StorageProof::new(
|
||||
prove_read(backend, &[&b"key1"[..], &b"key2"[..], &b"key22"[..]])
|
||||
.unwrap()
|
||||
.iter_nodes()
|
||||
.collect(),
|
||||
);
|
||||
|
||||
(root, proof)
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
pub mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn storage_proof_check() {
|
||||
let (root, proof) = craft_valid_storage_proof();
|
||||
|
||||
// check proof in runtime
|
||||
let checker = <StorageProofChecker<sp_core::Blake2Hasher>>::new(root, proof.clone()).unwrap();
|
||||
assert_eq!(checker.read_value(b"key1"), Ok(Some(b"value1".to_vec())));
|
||||
assert_eq!(checker.read_value(b"key2"), Ok(Some(b"value2".to_vec())));
|
||||
assert_eq!(checker.read_value(b"key11111"), Err(Error::StorageValueUnavailable));
|
||||
assert_eq!(checker.read_value(b"key22"), Ok(None));
|
||||
|
||||
// checking proof against invalid commitment fails
|
||||
assert_eq!(
|
||||
<StorageProofChecker<sp_core::Blake2Hasher>>::new(sp_core::H256::random(), proof).err(),
|
||||
Some(Error::StorageRootMismatch)
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user