mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Joey
67 lines
2.1 KiB
Rust
67 lines
2.1 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2018-2022 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Low-level types used throughout the Substrate code.
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#![warn(missing_docs)]
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#![cfg_attr(not(feature = "std"), no_std)]
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use sp_runtime::{
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generic,
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traits::{BlakeTwo256, IdentifyAccount, Verify},
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MultiSignature, OpaqueExtrinsic,
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};
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/// An index to a block.
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pub type BlockNumber = u32;
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/// Alias to 512-bit hash when used in the context of a transaction signature on the chain.
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pub type Signature = MultiSignature;
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/// Some way of identifying an account on the chain. We intentionally make it equivalent
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/// to the public key of our transaction signing scheme.
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pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;
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/// The type for looking up accounts. We don't expect more than 4 billion of them.
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pub type AccountIndex = u32;
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/// Balance of an account.
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pub type Balance = u128;
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/// Type used for expressing timestamp.
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pub type Moment = u64;
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/// Index of a transaction in the chain.
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pub type Index = u32;
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/// A hash of some data used by the chain.
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pub type Hash = sp_core::H256;
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/// A timestamp: milliseconds since the unix epoch.
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/// `u64` is enough to represent a duration of half a billion years, when the
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/// time scale is milliseconds.
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pub type Timestamp = u64;
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/// Digest item type.
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pub type DigestItem = generic::DigestItem;
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/// Header type.
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pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
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/// Block type.
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pub type Block = generic::Block<Header, OpaqueExtrinsic>;
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/// Block ID.
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pub type BlockId = generic::BlockId<Block>;
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