mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-15 17:15:42 +00:00
Andronik Ordian
0a8a607a58
* update tiny-keccak to 0.2 * update deps except bitvec and shared_memory * fix some warning after futures upgrade * remove useless package rename caused by bug in cargo-upgrade * revert parity-util-mem * * remove unused import * cargo update * remove all renames on parity-scale-codec * remove the leftovers * remove unused dep
102 lines
3.7 KiB
Rust
102 lines
3.7 KiB
Rust
// Copyright 2020 Parity Technologies (UK) Ltd.
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// This file is part of Cumulus.
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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 Cumulus. If not, see <http://www.gnu.org/licenses/>.
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//! Support datastructures for `MultiLocation`, primarily the `Junction` datatype.
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use alloc::vec::Vec;
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use parity_scale_codec::{self, Encode, Decode};
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/// A global identifier of an account-bearing consensus system.
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#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, Debug)]
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pub enum NetworkId {
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/// Unidentified/any.
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Any,
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/// Some named network.
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Named(Vec<u8>),
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/// The Polkadot Relay chain
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Polkadot,
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/// Kusama.
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Kusama,
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}
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/// A single item in a path to describe the relative location of a consensus system.
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///
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/// Each item assumes a pre-existing location as its context and is defined in terms of it.
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#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, Debug)]
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pub enum Junction {
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/// The consensus system of which the context is a member and state-wise super-set.
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///
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/// NOTE: This item is *not* a sub-consensus item: a consensus system may not identify itself trustlessly as
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/// a location that includes this junction.
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Parent,
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/// An indexed parachain belonging to and operated by the context.
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///
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/// Generally used when the context is a Polkadot Relay-chain.
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Parachain { #[codec(compact)] id: u32 },
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/// A 32-byte identifier for an account of a specific network that is respected as a sovereign endpoint within
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/// the context.
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///
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/// Generally used when the context is a Substrate-based chain.
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AccountId32 { network: NetworkId, id: [u8; 32] },
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/// An 8-byte index for an account of a specific network that is respected as a sovereign endpoint within
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/// the context.
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///
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/// May be used when the context is a Frame-based chain and includes e.g. an indices pallet.
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AccountIndex64 { network: NetworkId, #[codec(compact)] index: u64 },
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/// A 20-byte identifier for an account of a specific network that is respected as a sovereign endpoint within
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/// the context.
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///
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/// May be used when the context is an Ethereum or Bitcoin chain or smart-contract.
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AccountKey20 { network: NetworkId, key: [u8; 20] },
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/// An instanced, indexed pallet that forms a constituent part of the context.
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///
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/// Generally used when the context is a Frame-based chain.
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PalletInstance { id: u8 },
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/// A non-descript index within the context location.
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///
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/// Usage will vary widely owing to its generality.
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///
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/// NOTE: Try to avoid using this and instead use a more specific item.
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GeneralIndex { #[codec(compact)] id: u128 },
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/// A nondescript datum acting as a key within the context location.
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///
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/// Usage will vary widely owing to its generality.
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///
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/// NOTE: Try to avoid using this and instead use a more specific item.
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GeneralKey(Vec<u8>),
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/// The unambiguous child.
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///
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/// Not currently used except as a fallback when deriving ancestry.
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OnlyChild,
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}
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impl Junction {
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pub fn is_sub_consensus(&self) -> bool {
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match self {
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Junction::Parent => false,
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Junction::Parachain { .. } |
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Junction::AccountId32 { .. } |
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Junction::AccountIndex64 { .. } |
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Junction::AccountKey20 { .. } |
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Junction::PalletInstance { .. } |
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Junction::GeneralIndex { .. } |
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Junction::GeneralKey(..) |
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Junction::OnlyChild => true,
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}
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}
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}
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