mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-26 17:01:07 +00:00
James Wilson
b316301d61
* begin porting over traits; remove Config use of Hash * port over the Header bits that we need * sp_core_hashing where possible, move Verify to PairSigner, remove unused errors * tidy up Config things and move related bits into one place * fix codegen * copy Era over * move AccountId, Address, Signer to Signer trait and a pass over fixing examples * impl MultiAddress, MultiSignature, AccountId32 and add back to Config (for decoding later) * Copy over StorageKey, StorageData, StorageChangeSet * subxt core compiling with no sp_core or sp_runtime * Get examples compiling * pass over fixing tests * cargo fmt * clippy tweaks and update polkadot.rs * fix codegen docs * port over special DigestItem encoding/decoding * clippy and doc fixes * cargo fmt and example fix * more cargo fmt-ing... * substrate-extra to substrate-compat * cargo.toml comments * simplify PairSigner trait bounds * move RPC types to a separate file * fix docs * Add some tests for things and other PR feedback * bump to latest sp deps * avoid needing substrate-compat feature in a test
116 lines
3.0 KiB
Rust
116 lines
3.0 KiB
Rust
// Copyright 2019-2022 Parity Technologies (UK) Ltd.
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// This file is dual-licensed as Apache-2.0 or GPL-3.0.
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// see LICENSE for license details.
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//! Miscellaneous utility helpers.
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pub mod account_id;
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pub mod bits;
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pub mod multi_address;
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pub mod multi_signature;
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use codec::{
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Decode,
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DecodeAll,
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Encode,
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};
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use derivative::Derivative;
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pub use account_id::AccountId32;
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pub use multi_address::MultiAddress;
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pub use multi_signature::MultiSignature;
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// Used in codegen
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#[doc(hidden)]
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pub use primitive_types::{
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H160,
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H256,
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H512,
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};
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/// Wraps an already encoded byte vector, prevents being encoded as a raw byte vector as part of
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/// the transaction payload
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct Encoded(pub Vec<u8>);
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impl codec::Encode for Encoded {
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fn encode(&self) -> Vec<u8> {
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self.0.to_owned()
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}
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}
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/// A wrapper for any type `T` which implement encode/decode in a way compatible with `Vec<u8>`.
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///
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/// [`WrapperKeepOpaque`] stores the type only in its opaque format, aka as a `Vec<u8>`. To
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/// access the real type `T` [`Self::try_decode`] needs to be used.
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#[derive(Derivative, Encode, Decode)]
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#[derivative(
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Debug(bound = ""),
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Clone(bound = ""),
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PartialEq(bound = ""),
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Eq(bound = ""),
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Default(bound = ""),
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Hash(bound = "")
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)]
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pub struct WrapperKeepOpaque<T> {
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data: Vec<u8>,
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_phantom: PhantomDataSendSync<T>,
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}
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impl<T: Decode> WrapperKeepOpaque<T> {
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/// Try to decode the wrapped type from the inner `data`.
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///
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/// Returns `None` if the decoding failed.
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pub fn try_decode(&self) -> Option<T> {
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T::decode_all(&mut &self.data[..]).ok()
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}
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/// Returns the length of the encoded `T`.
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pub fn encoded_len(&self) -> usize {
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self.data.len()
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}
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/// Returns the encoded data.
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pub fn encoded(&self) -> &[u8] {
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&self.data
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}
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/// Create from the given encoded `data`.
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pub fn from_encoded(data: Vec<u8>) -> Self {
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Self {
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data,
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_phantom: PhantomDataSendSync::new(),
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}
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}
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}
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/// A version of [`std::marker::PhantomData`] that is also Send and Sync (which is fine
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/// because regardless of the generic param, it is always possible to Send + Sync this
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/// 0 size type).
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#[derive(Derivative, Encode, Decode, scale_info::TypeInfo)]
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#[derivative(
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Clone(bound = ""),
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PartialEq(bound = ""),
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Debug(bound = ""),
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Eq(bound = ""),
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Default(bound = ""),
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Hash(bound = "")
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)]
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#[scale_info(skip_type_params(T))]
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#[doc(hidden)]
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pub struct PhantomDataSendSync<T>(core::marker::PhantomData<T>);
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impl<T> PhantomDataSendSync<T> {
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pub(crate) fn new() -> Self {
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Self(core::marker::PhantomData)
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}
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}
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unsafe impl<T> Send for PhantomDataSendSync<T> {}
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unsafe impl<T> Sync for PhantomDataSendSync<T> {}
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/// This represents a key-value collection and is SCALE compatible
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/// with collections like BTreeMap. This has the same type params
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/// as `BTreeMap` which allows us to easily swap the two during codegen.
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pub type KeyedVec<K, V> = Vec<(K, V)>;
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