contracts: add sr25519_verify (#13724)

* wip * fix * wip * fix lint * rm fixture fix * missing comment * fix lint * add comment to the wsm file * fix comment * Apply suggestions from code review Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> * wip * wip weights * wip weights * PR comment: test with return code * wip * PR review add mock test * remove * lint * Update frame/contracts/fixtures/sr25519_verify.wat * fix comments * Update frame/contracts/src/benchmarking/mod.rs * Update frame/contracts/src/wasm/runtime.rs * Update frame/contracts/fixtures/sr25519_verify.wat * Update frame/contracts/src/benchmarking/mod.rs * fix lint * ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts * Update frame/contracts/src/wasm/runtime.rs Co-authored-by: Alexander Theißen <alex.theissen@me.com> * PR: review use unstable + remove arbitrary index 4 * Add benchmark for calculating overhead of calling sr25519_verify * fix message length encoding * fix weights * ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_contracts * Apply suggestions from code review * Update frame/contracts/src/wasm/runtime.rs * Update frame/contracts/src/wasm/runtime.rs * Update frame/contracts/src/benchmarking/mod.rs * Update frame/contracts/src/benchmarking/mod.rs * Update frame/contracts/src/schedule.rs Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> * Update frame/contracts/src/schedule.rs Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> * Update frame/contracts/src/wasm/runtime.rs * Update frame/contracts/src/wasm/runtime.rs Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> * PR review --------- Co-authored-by: Sasha Gryaznov <hi@agryaznov.com> Co-authored-by: command-bot <> Co-authored-by: Alexander Theißen <alex.theissen@me.com>
2026-06-21 07:31:03 +00:00 · 2023-04-12 16:49:10 +02:00
parent 376a288fb6
commit 03c99fe003
8 changed files with 1332 additions and 894 deletions
@@ -2900,6 +2900,72 @@ fn ecdsa_recover() {
 	})
 }

+#[test]
+fn sr25519_verify() {
+	let (wasm, _code_hash) = compile_module::<Test>("sr25519_verify").unwrap();
+
+	ExtBuilder::default().existential_deposit(50).build().execute_with(|| {
+		let _ = Balances::deposit_creating(&ALICE, 1_000_000);
+
+		// Instantiate the sr25519_verify contract.
+		let addr = Contracts::bare_instantiate(
+			ALICE,
+			100_000,
+			GAS_LIMIT,
+			None,
+			Code::Upload(wasm),
+			vec![],
+			vec![],
+			false,
+		)
+		.result
+		.unwrap()
+		.account_id;
+
+		let call_with = |message: &[u8; 11]| {
+			// Alice's signature for "hello world"
+			#[rustfmt::skip]
+			let signature: [u8; 64] = [
+				184, 49, 74, 238, 78, 165, 102, 252, 22, 92, 156, 176, 124, 118, 168, 116, 247,
+				99, 0, 94, 2, 45, 9, 170, 73, 222, 182, 74, 60, 32, 75, 64, 98, 174, 69, 55, 83,
+				85, 180, 98, 208, 75, 231, 57, 205, 62, 4, 105, 26, 136, 172, 17, 123, 99, 90, 255,
+				228, 54, 115, 63, 30, 207, 205, 131,
+			];
+
+			// Alice's public key
+			#[rustfmt::skip]
+			let public_key: [u8; 32] = [
+				212, 53, 147, 199, 21, 253, 211, 28, 97, 20, 26, 189, 4, 169, 159, 214, 130, 44,
+				133, 88, 133, 76, 205, 227, 154, 86, 132, 231, 165, 109, 162, 125,
+			];
+
+			let mut params = vec![];
+			params.extend_from_slice(&signature);
+			params.extend_from_slice(&public_key);
+			params.extend_from_slice(message);
+
+			<Pallet<Test>>::bare_call(
+				ALICE,
+				addr.clone(),
+				0,
+				GAS_LIMIT,
+				None,
+				params,
+				false,
+				Determinism::Enforced,
+			)
+			.result
+			.unwrap()
+		};
+
+		// verification should succeed for "hello world"
+		assert_return_code!(call_with(&b"hello world"), RuntimeReturnCode::Success);
+
+		// verification should fail for other messages
+		assert_return_code!(call_with(&b"hello worlD"), RuntimeReturnCode::Sr25519VerifyFailed);
+	})
+}
+
 #[test]
 fn upload_code_works() {
 	let (wasm, code_hash) = compile_module::<Test>("dummy").unwrap();