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Substrate relay stub (#376)

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* substrate-relay: initial commit

* MillauHeaderApi and RialtoHeaderApi

* post-merge fixes + TODOs + compilation
This commit is contained in:
Svyatoslav Nikolsky
2020-09-30 14:03:57 +03:00
committed by Bastian Köcher
parent f9db999a1a
commit dbb72faa86
22 changed files with 652 additions and 71 deletions
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bridges/relays/substrate-client/src/chain.rs
+29 -4
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@@ -19,9 +19,13 @@ use crate::client::Client;
use frame_support::Parameter;
use jsonrpsee::common::{DeserializeOwned, Serialize};
use sp_core::Pair;
use sp_runtime::traits::{
AtLeast32Bit, AtLeast32BitUnsigned, Bounded, CheckEqual, Dispatchable, Header as HeaderT, MaybeDisplay,
MaybeMallocSizeOf, MaybeSerialize, MaybeSerializeDeserialize, Member, SimpleBitOps,
use sp_runtime::{
generic::SignedBlock,
traits::{
AtLeast32Bit, AtLeast32BitUnsigned, Bounded, CheckEqual, Dispatchable, Header as HeaderT, MaybeDisplay,
MaybeMallocSizeOf, MaybeSerialize, MaybeSerializeDeserialize, Member, SimpleBitOps,
},
Justification,
};
use sp_std::fmt::Debug;
@@ -63,11 +67,17 @@ pub trait Chain {
/// with a sender account.
type Index: Parameter + Member + MaybeSerialize + Debug + Default + MaybeDisplay + AtLeast32Bit + Copy;
/// Block type.
type SignedBlock: Member + Serialize + DeserializeOwned;
type SignedBlock: Member + Serialize + DeserializeOwned + BlockWithJustification;
/// The aggregated `Call` type.
type Call: Dispatchable + Debug;
}
/// Block with justification.
pub trait BlockWithJustification {
/// Return block justification, if known.
fn justification(&self) -> Option<&Justification>;
}
/// Substrate-based chain transactions signing scheme.
pub trait TransactionSignScheme {
/// Chain that this scheme is to be used.
@@ -85,3 +95,18 @@ pub trait TransactionSignScheme {
call: <Self::Chain as Chain>::Call,
) -> Self::SignedTransaction;
}
/// Header type used by the chain.
pub type HeaderOf<C> = <C as Chain>::Header;
/// Hash type used by the chain.
pub type HashOf<C> = <C as Chain>::Hash;
/// Block number used by the chain.
pub type BlockNumberOf<C> = <C as Chain>::BlockNumber;
impl<Block> BlockWithJustification for SignedBlock<Block> {
fn justification(&self) -> Option<&Justification> {
self.justification.as_ref()
}
}