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Implemented seal_ecdsa_recovery function in the contract pallet (#9686)

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* Implemented `seal_ecdsa_recovery` function in the contract pallet.
Added benchmark and unit test.

* Run `cargo fmt`

* Skip fmt for slices

* Changes according comments in pull request.

* Fix build without `unstable-interface` feature

* Applied suggestion from the review

* Apply suggestions from code review

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* Apply suggestions from code review

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* Changed RecoveryFailed to EcdsaRecoverFailed

* Manually updated weights.rs

* Apply suggestions from code review

Co-authored-by: Michael Müller <mich@elmueller.net>

Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: Michael Müller <mich@elmueller.net>
This commit is contained in:
GreenBaneling | Supercolony
2021-09-10 14:30:56 +03:00
committed by GitHub
parent 110ba540ec
commit a36e881783
13 changed files with 985 additions and 654 deletions
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substrate/frame/contracts/src/exec.rs
+8
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@@ -30,6 +30,7 @@ use frame_system::RawOrigin;
use pallet_contracts_primitives::ExecReturnValue;
use smallvec::{Array, SmallVec};
use sp_core::crypto::UncheckedFrom;
use sp_io::crypto::secp256k1_ecdsa_recover_compressed;
use sp_runtime::traits::{Convert, Saturating};
use sp_std::{marker::PhantomData, mem, prelude::*};
@@ -205,6 +206,9 @@ pub trait Ext: sealing::Sealed {
/// Call some dispatchable and return the result.
fn call_runtime(&self, call: <Self::T as Config>::Call) -> DispatchResultWithPostInfo;
/// Recovers ECDSA compressed public key based on signature and message hash.
fn ecdsa_recover(&self, signature: &[u8; 65], message_hash: &[u8; 32]) -> Result<[u8; 33], ()>;
}
/// Describes the different functions that can be exported by an [`Executable`].
@@ -1033,6 +1037,10 @@ where
origin.add_filter(T::CallFilter::contains);
call.dispatch(origin)
}
fn ecdsa_recover(&self, signature: &[u8; 65], message_hash: &[u8; 32]) -> Result<[u8; 33], ()> {
secp256k1_ecdsa_recover_compressed(&signature, &message_hash).map_err(|_| ())
}
}
fn deposit_event<T: Config>(topics: Vec<T::Hash>, event: Event<T>) {