mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-07 06:08:03 +00:00
Stanislav Tkach
91 lines
3.0 KiB
Rust
91 lines
3.0 KiB
Rust
// Copyright 2017-2018 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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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 Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Contract execution data.
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#[cfg(feature = "std")]
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use serde_derive::{Serialize, Deserialize};
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#[cfg(feature = "std")]
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use crate::bytes;
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use rstd::vec::Vec;
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/// Contract storage key.
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#[derive(PartialEq, Eq)]
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#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug, Hash, PartialOrd, Ord, Clone))]
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pub struct StorageKey(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
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/// Contract storage entry data.
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#[derive(PartialEq, Eq)]
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#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug, Hash, PartialOrd, Ord, Clone))]
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pub struct StorageData(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
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/// Storage change set
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#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug, PartialEq, Eq))]
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#[cfg_attr(feature = "std", serde(rename_all = "camelCase"))]
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pub struct StorageChangeSet<Hash> {
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/// Block hash
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pub block: Hash,
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/// A list of changes
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pub changes: Vec<(
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StorageKey,
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Option<StorageData>,
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)>,
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}
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/// List of all well known keys and prefixes in storage.
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pub mod well_known_keys {
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/// Wasm code of the runtime.
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///
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/// Stored as a raw byte vector. Required by substrate.
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pub const CODE: &'static [u8] = b":code";
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/// Number of wasm linear memory pages required for execution of the runtime.
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///
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/// The type of this value is encoded `u64`.
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pub const HEAP_PAGES: &'static [u8] = b":heappages";
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/// Number of authorities.
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///
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/// The type of this value is encoded `u32`. Required by substrate.
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pub const AUTHORITY_COUNT: &'static [u8] = b":auth:len";
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/// Prefix under which authorities are storied.
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///
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/// The full key for N-th authority is generated as:
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///
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/// `(n as u32).to_keyed_vec(AUTHORITY_PREFIX)`.
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pub const AUTHORITY_PREFIX: &'static [u8] = b":auth:";
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/// Current extrinsic index (u32) is stored under this key.
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pub const EXTRINSIC_INDEX: &'static [u8] = b":extrinsic_index";
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/// Sum of all lengths of executed extrinsics (u32).
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pub const ALL_EXTRINSICS_LEN: &'static [u8] = b":all_extrinsics_len";
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/// Changes trie configuration is stored under this key.
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pub const CHANGES_TRIE_CONFIG: &'static [u8] = b":changes_trie";
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/// Prefix of child storage keys.
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pub const CHILD_STORAGE_KEY_PREFIX: &'static [u8] = b":child_storage:";
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/// Whether a key is a child storage key.
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pub fn is_child_storage_key(key: &[u8]) -> bool {
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key.starts_with(CHILD_STORAGE_KEY_PREFIX)
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}
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}
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