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Token-swap-over-bridge pallet (#944)
* token swap pallet * token swap type (replay protection) * post-merge fixes * post-merge fix * Update modules/token-swap/src/lib.rs Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com> * Update modules/token-swap/src/lib.rs Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com> * add missing comment part * Update modules/token-swap/src/lib.rs Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com> * starting claim after lock period is over is forbidden * move spec_version and weight to arguments Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
This commit is contained in:
Svyatoslav Nikolsky
committed by
Bastian Köcher
Bastian Köcher
parent
f86d101d7c
commit
eba80f42a9
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[package]
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name = "pallet-bridge-token-swap"
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description = "An Substrate pallet that allows parties on different chains (bridged using messages pallet) to swap their tokens"
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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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log = { version = "0.4.14", default-features = false }
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serde = { version = "1.0", optional = true }
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# Bridge dependencies
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bp-message-dispatch = { path = "../../primitives/message-dispatch", default-features = false }
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bp-messages = { path = "../../primitives/messages", default-features = false }
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bp-runtime = { path = "../../primitives/runtime", default-features = false }
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bp-token-swap = { path = "../../primitives/token-swap", default-features = false }
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pallet-bridge-dispatch = { path = "../dispatch", 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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frame-system = { 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-std = { git = "https://github.com/paritytech/substrate", branch = "master" , default-features = false, optional = true }
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[dev-dependencies]
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pallet-balances = { 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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"bp-message-dispatch/std",
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"bp-messages/std",
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"bp-runtime/std",
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"bp-token-swap/std",
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"frame-support/std",
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"frame-system/std",
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"log/std",
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"pallet-bridge-dispatch/std",
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"serde",
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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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]
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,174 @@
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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 crate as pallet_bridge_token_swap;
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use crate::MessagePayloadOf;
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use bp_messages::{source_chain::MessagesBridge, LaneId, MessageNonce};
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use bp_runtime::ChainId;
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use frame_support::weights::Weight;
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use sp_core::H256;
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use sp_runtime::{
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testing::Header as SubstrateHeader,
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traits::{BlakeTwo256, IdentityLookup},
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Perbill,
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};
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pub type AccountId = u64;
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pub type Balance = u64;
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pub type Block = frame_system::mocking::MockBlock<TestRuntime>;
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pub type BridgedAccountId = u64;
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pub type BridgedAccountPublic = u64;
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pub type BridgedAccountSignature = u64;
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pub type BridgedBalance = u64;
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pub type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<TestRuntime>;
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pub const OK_TRANSFER_CALL: u8 = 1;
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pub const BAD_TRANSFER_CALL: u8 = 2;
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pub const MESSAGE_NONCE: MessageNonce = 3;
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pub const THIS_CHAIN_ACCOUNT: AccountId = 1;
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pub const THIS_CHAIN_ACCOUNT_BALANCE: Balance = 100_000;
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frame_support::construct_runtime! {
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pub enum TestRuntime where
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Block = Block,
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NodeBlock = Block,
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UncheckedExtrinsic = UncheckedExtrinsic,
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{
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System: frame_system::{Pallet, Call, Config, Storage, Event<T>},
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Balances: pallet_balances::{Pallet, Call, Event<T>},
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TokenSwap: pallet_bridge_token_swap::{Pallet, Call, Event<T>},
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}
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}
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frame_support::parameter_types! {
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pub const BlockHashCount: u64 = 250;
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pub const MaximumBlockWeight: Weight = 1024;
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pub const MaximumBlockLength: u32 = 2 * 1024;
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pub const AvailableBlockRatio: Perbill = Perbill::one();
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}
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impl frame_system::Config for TestRuntime {
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type Origin = Origin;
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type Index = u64;
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type Call = Call;
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type BlockNumber = u64;
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type Hash = H256;
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type Hashing = BlakeTwo256;
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type AccountId = AccountId;
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type Lookup = IdentityLookup<Self::AccountId>;
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type Header = SubstrateHeader;
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type Event = Event;
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type BlockHashCount = BlockHashCount;
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type Version = ();
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type PalletInfo = PalletInfo;
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type AccountData = pallet_balances::AccountData<Balance>;
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type OnNewAccount = ();
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type OnKilledAccount = ();
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type BaseCallFilter = ();
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type SystemWeightInfo = ();
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type BlockWeights = ();
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type BlockLength = ();
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type DbWeight = ();
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type SS58Prefix = ();
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type OnSetCode = ();
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}
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frame_support::parameter_types! {
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pub const ExistentialDeposit: u64 = 10;
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pub const MaxReserves: u32 = 50;
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}
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impl pallet_balances::Config for TestRuntime {
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type MaxLocks = ();
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type Balance = Balance;
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type DustRemoval = ();
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type Event = Event;
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type ExistentialDeposit = ExistentialDeposit;
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type AccountStore = frame_system::Pallet<TestRuntime>;
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type WeightInfo = ();
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type MaxReserves = MaxReserves;
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type ReserveIdentifier = [u8; 8];
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}
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frame_support::parameter_types! {
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pub const BridgeChainId: ChainId = *b"inst";
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pub const OutboundMessageLaneId: LaneId = *b"lane";
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pub const MessageDeliveryAndDispatchFee: Balance = 1;
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}
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impl pallet_bridge_token_swap::Config for TestRuntime {
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type Event = Event;
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type BridgeChainId = BridgeChainId;
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type OutboundMessageLaneId = OutboundMessageLaneId;
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type MessagesBridge = TestMessagesBridge;
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type MessageDeliveryAndDispatchFee = MessageDeliveryAndDispatchFee;
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type ThisCurrency = pallet_balances::Pallet<TestRuntime>;
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type FromSwapToThisAccountIdConverter = TestAccountConverter;
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type BridgedBalance = BridgedBalance;
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type BridgedAccountId = BridgedAccountId;
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type BridgedAccountPublic = BridgedAccountPublic;
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type BridgedAccountSignature = BridgedAccountSignature;
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type FromBridgedToThisAccountIdConverter = TestAccountConverter;
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}
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pub struct TestMessagesBridge;
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impl MessagesBridge<AccountId, Balance, MessagePayloadOf<TestRuntime, ()>> for TestMessagesBridge {
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type Error = ();
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fn send_message(
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sender: AccountId,
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lane: LaneId,
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message: MessagePayloadOf<TestRuntime, ()>,
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delivery_and_dispatch_fee: Balance,
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) -> Result<MessageNonce, Self::Error> {
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assert_ne!(sender, THIS_CHAIN_ACCOUNT);
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assert_eq!(lane, OutboundMessageLaneId::get());
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assert_eq!(delivery_and_dispatch_fee, MessageDeliveryAndDispatchFee::get());
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match message.call[0] {
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OK_TRANSFER_CALL => Ok(MESSAGE_NONCE),
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BAD_TRANSFER_CALL => Err(()),
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_ => unreachable!(),
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}
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}
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}
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pub struct TestAccountConverter;
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impl sp_runtime::traits::Convert<H256, AccountId> for TestAccountConverter {
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fn convert(hash: H256) -> AccountId {
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hash.to_low_u64_ne()
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}
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}
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/// Run pallet test.
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pub fn run_test<T>(test: impl FnOnce() -> T) -> T {
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let mut t = frame_system::GenesisConfig::default()
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.build_storage::<TestRuntime>()
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.unwrap();
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pallet_balances::GenesisConfig::<TestRuntime> {
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balances: vec![(THIS_CHAIN_ACCOUNT, THIS_CHAIN_ACCOUNT_BALANCE)],
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}
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.assimilate_storage(&mut t)
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.unwrap();
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let mut ext = sp_io::TestExternalities::new(t);
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ext.execute_with(test)
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}
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