mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-12 10:01:17 +00:00
Metadata V15: Generate Runtime APIs (#918)
* Update frame-metadata to v15.1.0 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Enable V15 unstable metadata in frame-metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Move validation hashing to dedicated file Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Use sp-metadata-ir from substrate to work with metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Revert using sp-metadata-ir in favor of conversion to v15 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Convert v14 to v15 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Use v15 for validation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Use v15 for codegen Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata/bench: Use v15 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust to v15 metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Adjust testing Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Improve documentation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * force CI Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc: Fetch metadata at version Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * artifacts: Update polkadot.scale from commit 6dc9e84dde2 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Fetch V15 using the new API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Add runtime API interface Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Hash runtime API metadata for validation Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Extract runtime API metadata wrapper from subxt::Metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Adjust hashing cache to reflect root+item keys Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * rpc: Add raw state_call API method Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * runtime_api: Add payload with static and dynamic variants Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Allow payloads to call into the runtime Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Add example to make a runtime API call both static and dynamic Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Simplify client fetching Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Address feedback and fallback to old API if needed Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * runtime_api: Make mutability conditional on input params Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Regenerate polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Retain only pallets without runtime API info Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Retry via `Metadata_metadata` without conversion Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * payload: Remove `Decode` and change validation fn Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * metadata: Retain runtime API types Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Runtime APIs documentation based on flag Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update examples/examples/custom_metadata_url.rs Co-authored-by: James Wilson <james@jsdw.me> * Update artifacts from polkadot-a6cfdb16e9 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update polkadot.rs with polkadot-a6cfdb16e9 Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Generate input structures for runtime API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * runtime_api: Remove the static paylaod and use single impl Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Fetch account nonce Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Adjust build script to fetch latest metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Check account nonce from runtime API Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update cargo.lock Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Fix doc generation for runtime types Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Rename `inputs` runtime calls module to `types` Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Generate Calls structs inside the types module Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Check Alice account nonce before submitting the tx Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Add metadata version option flag supporting v14 and unstable Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Specify version to fetch Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Fallback to fetching latest stable metadata Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Add unstable-metadata feature to fetch the latest Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * RuntimeVersion with Latest and Version(u32) Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Update polkadot.rs Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Adjust fetch_metadata to inspect version list Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * testing: Adjust metadata to metadata_legacy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * events: Adjust docs to use metadata_legacy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * have a pass over fetch_metadata * cargo fmt * Option<String> when fetch metadata via latest API * clippy * fmt * cli: Use the MetadataVersion from codegen Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Specify latest as default for MetadataVersion Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * cli: Remove version from metadata and use the one from file_or_url Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * Fix clippy Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * codegen: Decode metadata independently for different RPC calls Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> --------- Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> Co-authored-by: James Wilson <james@jsdw.me>
This commit is contained in:
Alexandru Vasile
@@ -0,0 +1,162 @@
|
||||
// Copyright 2019-2023 Parity Technologies (UK) Ltd.
|
||||
// This file is dual-licensed as Apache-2.0 or GPL-3.0.
|
||||
// see LICENSE for license details.
|
||||
|
||||
use core::marker::PhantomData;
|
||||
use scale_encode::EncodeAsFields;
|
||||
use scale_value::Composite;
|
||||
use std::borrow::Cow;
|
||||
|
||||
use crate::dynamic::DecodedValueThunk;
|
||||
use crate::{metadata::DecodeWithMetadata, Error, Metadata};
|
||||
|
||||
/// This represents a runtime API payload that can call into the runtime of node.
|
||||
///
|
||||
/// # Components
|
||||
///
|
||||
/// - associated return type
|
||||
///
|
||||
/// Resulting bytes of the call are interpreted into this type.
|
||||
///
|
||||
/// - runtime function name
|
||||
///
|
||||
/// The function name of the runtime API call. This is obtained by concatenating
|
||||
/// the runtime trait name with the trait's method.
|
||||
///
|
||||
/// For example, the substrate runtime trait [Metadata](https://github.com/paritytech/substrate/blob/cb954820a8d8d765ce75021e244223a3b4d5722d/primitives/api/src/lib.rs#L745)
|
||||
/// contains the `metadata_at_version` function. The corresponding runtime function
|
||||
/// is `Metadata_metadata_at_version`.
|
||||
///
|
||||
/// - encoded arguments
|
||||
///
|
||||
/// Each argument of the runtime function must be scale-encoded.
|
||||
pub trait RuntimeApiPayload {
|
||||
/// The return type of the function call.
|
||||
// Note: `DecodeWithMetadata` is needed to decode the function call result
|
||||
// with the `subxt::Metadata.
|
||||
type ReturnType: DecodeWithMetadata;
|
||||
|
||||
/// The runtime API function name.
|
||||
fn fn_name(&self) -> &str;
|
||||
|
||||
/// Scale encode the arguments data.
|
||||
fn encode_args_to(&self, metadata: &Metadata, out: &mut Vec<u8>) -> Result<(), Error>;
|
||||
|
||||
/// Encode arguments data and return the output. This is a convenience
|
||||
/// wrapper around [`RuntimeApiPayload::encode_args_to`].
|
||||
fn encode_args(&self, metadata: &Metadata) -> Result<Vec<u8>, Error> {
|
||||
let mut v = Vec::new();
|
||||
self.encode_args_to(metadata, &mut v)?;
|
||||
Ok(v)
|
||||
}
|
||||
|
||||
/// Returns the statically generated validation hash.
|
||||
fn validation_hash(&self) -> Option<[u8; 32]> {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
/// A runtime API payload containing the generic argument data
|
||||
/// and interpreting the result of the call as `ReturnTy`.
|
||||
///
|
||||
/// This can be created from static values (ie those generated
|
||||
/// via the `subxt` macro) or dynamic values via [`dynamic`].
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Payload<ArgsData, ReturnTy> {
|
||||
fn_name: Cow<'static, str>,
|
||||
args_data: ArgsData,
|
||||
validation_hash: Option<[u8; 32]>,
|
||||
_marker: PhantomData<ReturnTy>,
|
||||
}
|
||||
|
||||
impl<ArgsData: EncodeAsFields, ReturnTy: DecodeWithMetadata> RuntimeApiPayload
|
||||
for Payload<ArgsData, ReturnTy>
|
||||
{
|
||||
type ReturnType = ReturnTy;
|
||||
|
||||
fn fn_name(&self) -> &str {
|
||||
&self.fn_name
|
||||
}
|
||||
|
||||
fn encode_args_to(&self, metadata: &Metadata, out: &mut Vec<u8>) -> Result<(), Error> {
|
||||
let fn_metadata = metadata.runtime_fn(&self.fn_name)?;
|
||||
|
||||
self.args_data
|
||||
.encode_as_fields_to(fn_metadata.fields(), metadata.types(), out)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn validation_hash(&self) -> Option<[u8; 32]> {
|
||||
self.validation_hash
|
||||
}
|
||||
}
|
||||
|
||||
/// A dynamic runtime API payload.
|
||||
pub type DynamicRuntimeApiPayload = Payload<Composite<()>, DecodedValueThunk>;
|
||||
|
||||
impl<ReturnTy, ArgsData> Payload<ArgsData, ReturnTy> {
|
||||
/// Create a new [`Payload`].
|
||||
pub fn new(
|
||||
fn_name: impl Into<String>,
|
||||
args_data: ArgsData,
|
||||
validation_hash: Option<[u8; 32]>,
|
||||
) -> Self {
|
||||
Payload {
|
||||
fn_name: Cow::Owned(fn_name.into()),
|
||||
args_data,
|
||||
validation_hash,
|
||||
_marker: PhantomData,
|
||||
}
|
||||
}
|
||||
|
||||
/// Create a new static [`Payload`] using static function name
|
||||
/// and scale-encoded argument data.
|
||||
///
|
||||
/// This is only expected to be used from codegen.
|
||||
#[doc(hidden)]
|
||||
pub fn new_static(
|
||||
fn_name: &'static str,
|
||||
args_data: ArgsData,
|
||||
hash: [u8; 32],
|
||||
) -> Payload<ArgsData, ReturnTy> {
|
||||
Payload {
|
||||
fn_name: Cow::Borrowed(fn_name),
|
||||
args_data,
|
||||
validation_hash: Some(hash),
|
||||
_marker: std::marker::PhantomData,
|
||||
}
|
||||
}
|
||||
|
||||
/// Do not validate this call prior to submitting it.
|
||||
pub fn unvalidated(self) -> Self {
|
||||
Self {
|
||||
validation_hash: None,
|
||||
..self
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns the function name.
|
||||
pub fn fn_name(&self) -> &str {
|
||||
&self.fn_name
|
||||
}
|
||||
|
||||
/// Returns the arguments data.
|
||||
pub fn args_data(&self) -> &ArgsData {
|
||||
&self.args_data
|
||||
}
|
||||
}
|
||||
|
||||
/// Create a new [`DynamicRuntimeApiPayload`].
|
||||
pub fn dynamic(
|
||||
fn_name: impl Into<String>,
|
||||
args_data: impl Into<Composite<()>>,
|
||||
hash: Option<[u8; 32]>,
|
||||
) -> DynamicRuntimeApiPayload {
|
||||
DynamicRuntimeApiPayload {
|
||||
fn_name: Cow::Owned(fn_name.into()),
|
||||
args_data: args_data.into(),
|
||||
validation_hash: hash,
|
||||
_marker: std::marker::PhantomData,
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user