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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
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cli/src/commands/explore/mod.rs
+8 -13
View File
@@ -7,10 +7,6 @@ use std::write;
use codec::Decode;
use color_eyre::eyre::eyre;
use frame_metadata::v15::RuntimeMetadataV15;
use frame_metadata::RuntimeMetadataPrefixed;
use syn::__private::str;
use crate::commands::explore::calls::{explore_calls, CallsSubcommand};
use crate::commands::explore::constants::{explore_constants, ConstantsSubcommand};
@@ -89,24 +85,23 @@ pub enum PalletSubcommand {
pub async fn run(opts: Opts) -> color_eyre::Result<()> {
// get the metadata
let bytes = opts.file_or_url.fetch().await?;
let metadata_prefixed = <RuntimeMetadataPrefixed as Decode>::decode(&mut &bytes[..])?;
let metadata = Metadata::try_from(metadata_prefixed)?;
let metadata = Metadata::decode(&mut &bytes[..])?;
// if no pallet specified, show user the pallets to choose from:
let Some(pallet_name) = opts.pallet else {
let available_pallets = print_available_pallets(metadata.runtime_metadata());
let available_pallets = print_available_pallets(&metadata);
println!("Usage:\n subxt explore <PALLET>\n explore a specific pallet\n\n{available_pallets}", );
return Ok(());
};
// if specified pallet is wrong, show user the pallets to choose from (but this time as an error):
let Some(pallet_metadata) = metadata.runtime_metadata().pallets.iter().find(|pallet| pallet.name.to_lowercase() == pallet_name.to_lowercase())else {
return Err(eyre!("pallet \"{}\" not found in metadata!\n{}", pallet_name, print_available_pallets(metadata.runtime_metadata())));
let Some(pallet_metadata) = metadata.pallets().find(|pallet| pallet.name().to_lowercase() == pallet_name.to_lowercase()) else {
return Err(eyre!("pallet \"{}\" not found in metadata!\n{}", pallet_name, print_available_pallets(&metadata)));
};
// if correct pallet was specified but no subcommand, instruct the user how to proceed:
let Some(pallet_subcomand) = opts.pallet_subcommand else {
let docs_string = print_docs_with_indent(&pallet_metadata.docs, 4);
let docs_string = print_docs_with_indent(pallet_metadata.docs(), 4);
let mut output = String::new();
if !docs_string.is_empty() {
write!(output, "Description:\n{docs_string}")?;
@@ -132,12 +127,12 @@ pub async fn run(opts: Opts) -> color_eyre::Result<()> {
}
}
fn print_available_pallets(metadata_v15: &RuntimeMetadataV15) -> String {
if metadata_v15.pallets.is_empty() {
fn print_available_pallets(metadata: &Metadata) -> String {
if metadata.pallets().len() == 0 {
"There are no <PALLET> values available.".to_string()
} else {
let mut output = "Available <PALLET> values are:".to_string();
let mut strings: Vec<_> = metadata_v15.pallets.iter().map(|p| &p.name).collect();
let mut strings: Vec<_> = metadata.pallets().map(|p| p.name()).collect();
strings.sort();
for pallet in strings {
write!(output, "\n {}", pallet).unwrap();