From e956b8b2d26c745e5f1b6b5f8ee4072f0b036cb4 Mon Sep 17 00:00:00 2001
From: Denis <dev-adv@swisstronik.com>
Date: Thu, 21 Mar 2024 16:48:58 +0400
Subject: [PATCH] Added test for secp256r1 precompile (RIP-7212)

---
 tests/solidity/contracts/RIP7212.sol | 26 ++++++++++++++++++++++++++
 tests/solidity/test/RIP7212.js       | 27 +++++++++++++++++++++++++++
 2 files changed, 53 insertions(+)
 create mode 100644 tests/solidity/contracts/RIP7212.sol
 create mode 100644 tests/solidity/test/RIP7212.js

diff --git a/tests/solidity/contracts/RIP7212.sol b/tests/solidity/contracts/RIP7212.sol
new file mode 100644
index 00000000..2d9b1feb
--- /dev/null
+++ b/tests/solidity/contracts/RIP7212.sol
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract RIP7212 {
+    /// @dev The address of the pre-compiled p256 verifier contract (following RIP-7212)
+    address internal constant PRECOMPILED_P256_VERIFIER = address(1032);
+
+    /// @dev Check if the pre-compiled p256 verifier is available on this chain
+    function isPreCompiledP256Available() public view returns (bool) {
+        // Test signature data, from https://gist.github.com/ulerdogan/8f1714895e23a54147fc529ea30517eb
+        bytes memory testSignatureData =
+                    hex"4cee90eb86eaa050036147a12d49004b6b9c72bd725d39d4785011fe190f0b4da73bd4903f0ce3b639bbbf6e8e80d16931ff4bcf5993d58468e8fb19086e8cac36dbcd03009df8c59286b162af3bd7fcc0450c9aa81be5d10d312af6c66b1d604aebd3099c618202fcfe16ae7770b0c49ab5eadf74b754204a3bb6060e44eff37618b065f9832de4ca6ca971a7a1adc826d0f7c00181a5fb2ddf79ae00b4e10e";
+
+        // Perform the static call
+        (bool success, bytes memory data) = PRECOMPILED_P256_VERIFIER.staticcall(testSignatureData);
+        if (!success || data.length == 0) {
+            return false;
+        }
+
+        // Decode the result
+        uint256 result = abi.decode(data, (uint256));
+
+        // Check it's 1 (valid signature)
+        return result == uint256(1);
+    }
+}
\ No newline at end of file
diff --git a/tests/solidity/test/RIP7212.js b/tests/solidity/test/RIP7212.js
new file mode 100644
index 00000000..ead45957
--- /dev/null
+++ b/tests/solidity/test/RIP7212.js
@@ -0,0 +1,27 @@
+const { expect } = require("chai");
+const { ethers } = require("hardhat")
+const { sendShieldedTransaction, sendShieldedQuery } = require("./testUtils")
+
+describe('RIP7212', () => {
+    let contract
+
+    before(async () => {
+        const RIP7212 = await ethers.getContractFactory('RIP7212')
+        contract = await RIP7212.deploy()
+        await contract.deployed()
+    })
+
+    it('Should be able to execute RIP7212 precompile', async () => {
+        const [signer] = await ethers.getSigners()
+
+        const isAvailableResponse = await sendShieldedQuery(
+            signer.provider,
+            contract.address,
+            contract.interface.encodeFunctionData("isPreCompiledP256Available", [])
+        );
+        console.log(isAvailableResponse);
+        const result = contract.interface.decodeFunctionResult("isPreCompiledP256Available", isAvailableResponse)
+        console.log(result);
+        expect(result).to.be.true
+    })
+})
\ No newline at end of file