mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-24 21:45:41 +00:00
James Wilson
3aabd6dc09
* WIP subxt-historic * WIP subxt-historic * WIP subxt-historic; flesh out basic foundations * WIP filling in extrinsic decoding functionality * iter and decode transaction extensions * Fill in the Online/OfflineClient APIs and move more things to be part of the chain Config * WIP storage * clippy, fmt, finish extrinsics example * prep for 0.0.1 release to claim crate name * fix README link * fmt * WIP thinking about storage APIs * WIP working out storage APIs * Storage plain value fetching first pass * WIP storage: first pass iterating over values done * First apss finishing storage APIs * fmt and clippy * Create a storage example showing fetch and iteration * Bump to frame-decode 0.9.0 * Bump subxt-historic to 0.0.3 for preview release * Remove unused deps * fix import * clippy * doc fixes * tweak CI and fix some cargo hack findings * Update README: subxt-historic is prerelease
57 lines
2.3 KiB
Rust
57 lines
2.3 KiB
Rust
pub mod polkadot;
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pub mod substrate;
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use scale_info_legacy::TypeRegistrySet;
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use std::fmt::Display;
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use std::sync::Arc;
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use subxt_rpcs::RpcConfig;
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pub use polkadot::PolkadotConfig;
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pub use substrate::SubstrateConfig;
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/// This represents the configuration needed for a specific chain. This includes
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/// any hardcoded types we need to know about for that chain, as well as a means to
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/// obtain historic types for that chain.
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pub trait Config: RpcConfig {
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/// The type of hashing used by the runtime.
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type Hash: Clone
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+ Copy
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+ Display
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+ Into<<Self as RpcConfig>::Hash>
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+ From<<Self as RpcConfig>::Hash>;
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/// Return the spec version for a given block number, if available.
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///
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/// The [`crate::client::OnlineClient`] will look this up on chain if it's not available here,
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/// but the [`crate::client::OfflineClient`] will error if this is not available for the required block number.
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fn spec_version_for_block_number(&self, block_number: u64) -> Option<u32>;
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/// Return the metadata for a given spec version, if available.
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///
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/// The [`crate::client::OnlineClient`] will look this up on chain if it's not available here, and then
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/// call [`Config::set_metadata_for_spec_version`] to give the configuration the opportunity to cache it.
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/// The [`crate::client::OfflineClient`] will error if this is not available for the required spec version.
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fn metadata_for_spec_version(
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&self,
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spec_version: u32,
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) -> Option<Arc<frame_metadata::RuntimeMetadata>>;
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/// Set some metadata for a given spec version. the [`crate::client::OnlineClient`] will call this if it has
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/// to retrieve metadata from the chain, to give this the opportunity to cache it. The configuration can
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/// do nothing if it prefers.
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fn set_metadata_for_spec_version(
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&self,
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spec_version: u32,
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metadata: Arc<frame_metadata::RuntimeMetadata>,
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);
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/// Return legacy types (ie types to use with Runtimes that return pre-V14 metadata) for a given spec version.
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fn legacy_types_for_spec_version<'this>(
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&'this self,
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spec_version: u32,
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) -> TypeRegistrySet<'this>;
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/// Hash some bytes, for instance a block header or extrinsic, for this chain.
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fn hash(s: &[u8]) -> <Self as Config>::Hash;
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}
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