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Introduce Metadata type (#974)

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* WIP new Metadata type

* Finish basic Metadata impl inc hashing and validation

* remove caching from metadata; can add that higher up

* remove caches

* update retain to use Metadata

* clippy fixes

* update codegen to use Metadata

* clippy

* WIP fixing subxt lib

* WIP fixing tests, rebuild artifacts, fix OrderedMap::retain

* get --all-targets compiling

* move DispatchError type lookup back to being optional

* cargo clippy

* fix docs

* re-use VariantIndex to get variants

* add docs and enforce docs on metadata crate

* fix docs

* add test and fix docs

* cargo fmt

* address review comments

* update lockfiles

* ExactSizeIter so we can ask for len() of things (and hopefully soon is_empty()
This commit is contained in:
James Wilson
2023-05-25 10:35:21 +01:00
committed by GitHub
parent f344d0dd4d
commit b9f5419095
64 changed files with 6818 additions and 5719 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cli/src/commands/compatibility.rs
+8 -29
View File
@@ -4,15 +4,12 @@
use clap::Parser as ClapParser;
use codec::Decode;
use color_eyre::eyre::{self, WrapErr};
use frame_metadata::{
v15::RuntimeMetadataV15, RuntimeMetadata, RuntimeMetadataPrefixed, META_RESERVED,
};
use color_eyre::eyre::WrapErr;
use jsonrpsee::client_transport::ws::Uri;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use subxt_codegen::utils::MetadataVersion;
use subxt_metadata::{get_pallet_hash, metadata_v14_to_latest, MetadataHasher};
use subxt_metadata::Metadata;
/// Verify metadata compatibility between substrate nodes.
#[derive(Debug, ClapParser)]
@@ -66,9 +63,9 @@ async fn handle_pallet_metadata(
for node in nodes.iter() {
let metadata = fetch_runtime_metadata(node, version).await?;
match metadata.pallets.iter().find(|pallet| pallet.name == name) {
match metadata.pallet_by_name(name) {
Some(pallet_metadata) => {
let hash = get_pallet_hash(&metadata.types, pallet_metadata);
let hash = pallet_metadata.hash();
let hex_hash = hex::encode(hash);
println!("Node {node:?} has pallet metadata hash {hex_hash:?}");
@@ -97,7 +94,7 @@ async fn handle_full_metadata(nodes: &[Uri], version: MetadataVersion) -> color_
let mut compatibility_map: HashMap<String, Vec<String>> = HashMap::new();
for node in nodes.iter() {
let metadata = fetch_runtime_metadata(node, version).await?;
let hash = MetadataHasher::new().hash(&metadata);
let hash = metadata.hasher().hash();
let hex_hash = hex::encode(hash);
println!("Node {node:?} has metadata hash {hex_hash:?}",);
@@ -119,26 +116,8 @@ async fn handle_full_metadata(nodes: &[Uri], version: MetadataVersion) -> color_
async fn fetch_runtime_metadata(
url: &Uri,
version: MetadataVersion,
) -> color_eyre::Result<RuntimeMetadataV15> {
) -> color_eyre::Result<Metadata> {
let bytes = subxt_codegen::utils::fetch_metadata_bytes(url, version).await?;
let metadata = <RuntimeMetadataPrefixed as Decode>::decode(&mut &bytes[..])?;
if metadata.0 != META_RESERVED {
return Err(eyre::eyre!(
"Node {:?} has invalid metadata prefix: {:?} expected prefix: {:?}",
url,
metadata.0,
META_RESERVED
));
}
match metadata.1 {
RuntimeMetadata::V14(v14) => Ok(metadata_v14_to_latest(v14)),
RuntimeMetadata::V15(v15) => Ok(v15),
_ => Err(eyre::eyre!(
"Node {:?} with unsupported metadata version: {:?}",
url,
metadata.1
)),
}
let metadata = Metadata::decode(&mut &bytes[..])?;
Ok(metadata)
}