mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-12 18:11:10 +00:00
David Craven
6f27489378
* Support custom clients. * Simplify trait bounds. * Plain and double map storage support. * Simplify more trait bounds. * Add proc macro. * Add Call, Event and Store traits. * Update proc-macros. * Add with_system for proc-macro. * proc-macro: test: support signature and extra fields. * proc-macro: test: support sharing state accross steps. * proc-macro: test: fetch state sequentially. * Elide lifetimes. * Add test for plain storage. * Run rustfmt.
80 lines
2.0 KiB
Rust
80 lines
2.0 KiB
Rust
// Copyright 2019 Parity Technologies (UK) Ltd.
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// This file is part of substrate-subxt.
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//
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// subxt 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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//
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// subxt 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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//
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// You should have received a copy of the GNU General Public License
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// along with substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
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//! Implements support for built-in runtime modules.
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use crate::{
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events::{
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EventsDecoder,
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EventsError,
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},
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metadata::{
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Metadata,
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MetadataError,
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},
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};
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use codec::{
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Decode,
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Encode,
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};
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use sp_core::storage::StorageKey;
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pub mod balances;
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pub mod contracts;
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pub mod system;
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/// Store trait.
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pub trait Store<T>: Encode {
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/// Module name.
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const MODULE: &'static str;
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/// Field name.
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const FIELD: &'static str;
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/// Return type.
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type Returns: Decode;
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/// Returns the `StorageKey`.
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fn key(&self, metadata: &Metadata) -> Result<StorageKey, MetadataError>;
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/// Returns the default value.
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fn default(
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&self,
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metadata: &Metadata,
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) -> Result<Option<Self::Returns>, MetadataError> {
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Ok(metadata
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.module(Self::MODULE)?
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.storage(Self::FIELD)?
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.default())
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}
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}
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/// Call trait.
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pub trait Call<T>: Encode {
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/// Module name.
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const MODULE: &'static str;
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/// Function name.
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const FUNCTION: &'static str;
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/// Load event decoder.
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fn events_decoder(_decoder: &mut EventsDecoder<T>) -> Result<(), EventsError> {
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Ok(())
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}
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}
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/// Event trait.
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pub trait Event<T>: Decode {
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/// Module name.
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const MODULE: &'static str;
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/// Event name.
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const EVENT: &'static str;
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}
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