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Make subxt-core ready for publishing (#1508)

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* Move Extrinsic decoding things to subxt_core and various tidy-ups

* A couple more fixes and fmt

* first pass moving tx logic to subxt_core

* cargo fmt

* fix wasm example

* clippy

* more clippy

* WIP Adding examples and such

* Move storage functionality more fully to subxt_core and nice examples for storage and txs

* Add example for events

* consistify how addresses/payloads are exposed in subxt-core and add runtime API fns

* Add runtime API core example

* fmt

* remove scale-info patch

* Add a little to the top level docs

* swap args around

* clippy

* cargo fmt and fix wasm-example

* doc fixes

* no-std-ise new subxt-core additions

* alloc, not core

* more no-std fixes

* A couple more fixes

* Add back extrinsic decode test
This commit is contained in:
James Wilson
2024-04-15 15:20:11 +01:00
committed by GitHub
parent b527c857ea
commit 1e111ea9db
89 changed files with 4459 additions and 3500 deletions
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core/src/metadata/decode_encode_traits.rs
+1 -1
View File
@@ -1,4 +1,4 @@
// Copyright 2019-2023 Parity Technologies (UK) Ltd.
// Copyright 2019-2024 Parity Technologies (UK) Ltd.
// This file is dual-licensed as Apache-2.0 or GPL-3.0.
// see LICENSE for license details.
core/src/metadata/metadata_type.rs
+15 -71
View File
@@ -1,4 +1,4 @@
// Copyright 2019-2023 Parity Technologies (UK) Ltd.
// Copyright 2019-2024 Parity Technologies (UK) Ltd.
// This file is dual-licensed as Apache-2.0 or GPL-3.0.
// see LICENSE for license details.
@@ -21,12 +21,6 @@ impl core::ops::Deref for Metadata {
}
impl Metadata {
pub fn new(md: subxt_metadata::Metadata) -> Self {
Metadata {
inner: Arc::new(md),
}
}
/// Identical to `metadata.pallet_by_name()`, but returns an error if the pallet is not found.
pub fn pallet_by_name_err(
&self,
@@ -53,11 +47,23 @@ impl Metadata {
self.runtime_api_trait_by_name(name)
.ok_or_else(|| MetadataError::RuntimeTraitNotFound(name.to_owned()))
}
/// Identical to `metadata.custom().get(name)`, but returns an error if the trait is not found.
pub fn custom_value_by_name_err(
&self,
name: &str,
) -> Result<subxt_metadata::CustomValueMetadata, MetadataError> {
self.custom()
.get(name)
.ok_or_else(|| MetadataError::CustomValueNameNotFound(name.to_owned()))
}
}
impl From<subxt_metadata::Metadata> for Metadata {
fn from(md: subxt_metadata::Metadata) -> Self {
Metadata::new(md)
Metadata {
inner: Arc::new(md),
}
}
}
@@ -70,68 +76,6 @@ impl TryFrom<frame_metadata::RuntimeMetadataPrefixed> for Metadata {
impl codec::Decode for Metadata {
fn decode<I: codec::Input>(input: &mut I) -> Result<Self, codec::Error> {
subxt_metadata::Metadata::decode(input).map(Metadata::new)
}
}
/// Some extension methods on [`subxt_metadata::Metadata`] that return Errors instead of Options.
pub trait MetadataExt {
fn pallet_by_name_err(
&self,
name: &str,
) -> Result<subxt_metadata::PalletMetadata, MetadataError>;
fn pallet_by_index_err(
&self,
index: u8,
) -> Result<subxt_metadata::PalletMetadata, MetadataError>;
fn runtime_api_trait_by_name_err(
&self,
name: &str,
) -> Result<subxt_metadata::RuntimeApiMetadata, MetadataError>;
fn custom_value_by_name_err(
&self,
name: &str,
) -> Result<subxt_metadata::CustomValueMetadata, MetadataError>;
}
impl MetadataExt for subxt_metadata::Metadata {
/// Identical to `metadata.pallet_by_name()`, but returns an error if the pallet is not found.
fn pallet_by_name_err(
&self,
name: &str,
) -> Result<subxt_metadata::PalletMetadata, MetadataError> {
self.pallet_by_name(name)
.ok_or_else(|| MetadataError::PalletNameNotFound(name.to_owned()))
}
/// Identical to `metadata.pallet_by_index()`, but returns an error if the pallet is not found.
fn pallet_by_index_err(
&self,
index: u8,
) -> Result<subxt_metadata::PalletMetadata, MetadataError> {
self.pallet_by_index(index)
.ok_or(MetadataError::PalletIndexNotFound(index))
}
/// Identical to `metadata.runtime_api_trait_by_name()`, but returns an error if the trait is not found.
fn runtime_api_trait_by_name_err(
&self,
name: &str,
) -> Result<subxt_metadata::RuntimeApiMetadata, MetadataError> {
self.runtime_api_trait_by_name(name)
.ok_or_else(|| MetadataError::RuntimeTraitNotFound(name.to_owned()))
}
/// Identical to `metadata.runtime_api_trait_by_name()`, but returns an error if the trait is not found.
fn custom_value_by_name_err(
&self,
name: &str,
) -> Result<subxt_metadata::CustomValueMetadata, MetadataError> {
self.custom()
.get(name)
.ok_or_else(|| MetadataError::CustomValueNameNotFound(name.to_owned()))
subxt_metadata::Metadata::decode(input).map(Metadata::from)
}
}
core/src/metadata/mod.rs
+26 -6
View File
@@ -1,14 +1,34 @@
// Copyright 2019-2023 Parity Technologies (UK) Ltd.
// Copyright 2019-2024 Parity Technologies (UK) Ltd.
// This file is dual-licensed as Apache-2.0 or GPL-3.0.
// see LICENSE for license details.
//! Types representing the metadata obtained from a node.
//! A [`Metadata`] type, which is used through this crate.
//!
//! This can be decoded from the bytes handed back from a node when asking for metadata.
//!
//! # Examples
//!
//! ```rust
//! use subxt_core::metadata;
//!
//! // We need to fetch the bytes from somewhere, and then we can decode them:
//! let metadata_bytes = include_bytes!("../../../artifacts/polkadot_metadata_small.scale");
//! let metadata = metadata::decode_from(&metadata_bytes[..]).unwrap();
//! ```
mod decode_encode_traits;
mod metadata_type;
pub use decode_encode_traits::{DecodeWithMetadata, EncodeWithMetadata};
pub use metadata_type::{Metadata, MetadataExt};
use codec::Decode;
// Expose metadata types under a sub module in case somebody needs to reference them:
pub use subxt_metadata as types;
pub use decode_encode_traits::{DecodeWithMetadata, EncodeWithMetadata};
pub use metadata_type::Metadata;
/// Attempt to decode some bytes into [`Metadata`], returning an error
/// if decoding fails.
///
/// This is a shortcut for importing [`codec::Decode`] and using the
/// implementation of that on [`Metadata`].
pub fn decode_from(bytes: &[u8]) -> Result<Metadata, codec::Error> {
Metadata::decode(&mut &*bytes)
}