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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/wasm/mod.rs
+56
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@@ -295,6 +295,7 @@ mod tests {
schedule: Schedule<Test>,
gas_meter: GasMeter<Test>,
debug_buffer: Vec<u8>,
ecdsa_recover: RefCell<Vec<([u8; 65], [u8; 32])>>,
}
/// The call is mocked and just returns this hardcoded value.
@@ -315,6 +316,7 @@ mod tests {
schedule: Default::default(),
gas_meter: GasMeter::new(10_000_000_000),
debug_buffer: Default::default(),
ecdsa_recover: Default::default(),
}
}
}
@@ -418,6 +420,15 @@ mod tests {
self.runtime_calls.borrow_mut().push(call);
Ok(Default::default())
}
fn ecdsa_recover(
&self,
signature: &[u8; 65],
message_hash: &[u8; 32],
) -> Result<[u8; 33], ()> {
self.ecdsa_recover.borrow_mut().push((signature.clone(), message_hash.clone()));
Ok([3; 33])
}
}
fn execute<E: BorrowMut<MockExt>>(wat: &str, input_data: Vec<u8>, mut ext: E) -> ExecResult {
@@ -850,6 +861,51 @@ mod tests {
);
}
#[cfg(feature = "unstable-interface")]
const CODE_ECDSA_RECOVER: &str = r#"
(module
;; seal_ecdsa_recover(
;; signature_ptr: u32,
;; message_hash_ptr: u32,
;; output_ptr: u32
;; ) -> u32
(import "__unstable__" "seal_ecdsa_recover" (func $seal_ecdsa_recover (param i32 i32 i32) (result i32)))
(import "env" "memory" (memory 1 1))
(func (export "call")
(drop
(call $seal_ecdsa_recover
(i32.const 36) ;; Pointer to signature.
(i32.const 4) ;; Pointer to message hash.
(i32.const 36) ;; Pointer for output - public key.
)
)
)
(func (export "deploy"))
;; Hash of message.
(data (i32.const 4)
"\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"
"\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"
)
;; Signature
(data (i32.const 36)
"\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"
"\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"
"\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"
"\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01\01"
"\01"
)
)
"#;
#[test]
#[cfg(feature = "unstable-interface")]
fn contract_ecdsa_recover() {
let mut mock_ext = MockExt::default();
assert_ok!(execute(&CODE_ECDSA_RECOVER, vec![], &mut mock_ext));
assert_eq!(mock_ext.ecdsa_recover.into_inner(), [([1; 65], [1; 32])]);
}
const CODE_GET_STORAGE: &str = r#"
(module
(import "seal0" "seal_get_storage" (func $seal_get_storage (param i32 i32 i32) (result i32)))