feat(loadtest): add RIP-7212 P256Verify precompile (#434)

* add 7212 p256verify loadtest

* update loadtest contract

* use benchmark input from https://github.com/ethereum/go-ethereum/pull/30043/files#diff-b8e213cc8b44bc7d5d5e727524d63e19dd0f21312713ce2471948d1f64db212cR404

* delete unused comment

* add source

* disable P256Verify in GetRandomPrecompiledContractAddress

Author: doutv

bindings/tester/LoadTester.abi

@@ -1097,6 +1097,25 @@
     ],
     "stateMutability": "nonpayable"
   },
+  {
+    "type": "function",
+    "name": "testP256Verify",
+    "inputs": [
+      {
+        "name": "inputData",
+        "type": "bytes",
+        "internalType": "bytes"
+      }
+    ],
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool",
+        "internalType": "bool"
+      }
+    ],
+    "stateMutability": "nonpayable"
+  },
   {
     "type": "function",
     "name": "testRETURNDATACOPY",

bindings/tester/LoadTester.bin

@@ -162,6 +162,18 @@ func GenerateBlake2FInput() []byte {
 	return inputData
 }
 
+func GenerateP256VerifyInput() []byte {
+	// Ethereum benchmark input for P256Verify
+	// https://github.com/ethereum/go-ethereum/pull/30043/files#diff-b8e213cc8b44bc7d5d5e727524d63e19dd0f21312713ce2471948d1f64db212cR404
+	ethBenchmarkInput := "4cee90eb86eaa050036147a12d49004b6b9c72bd725d39d4785011fe190f0b4da73bd4903f0ce3b639bbbf6e8e80d16931ff4bcf5993d58468e8fb19086e8cac36dbcd03009df8c59286b162af3bd7fcc0450c9aa81be5d10d312af6c66b1d604aebd3099c618202fcfe16ae7770b0c49ab5eadf74b754204a3bb6060e44eff37618b065f9832de4ca6ca971a7a1adc826d0f7c00181a5fb2ddf79ae00b4e10e"
+	inputData, err := hex.DecodeString(ethBenchmarkInput)
+	if err != nil {
+		panic(err)
+	}
+
+	return inputData
+}
+
 func CallPrecompiledContracts(address int, lt *LoadTester, opts *bind.TransactOpts, iterations uint64, privateKey *ecdsa.PrivateKey) (*ethtypes.Transaction, error) {
 	var inputData []byte
 
@@ -202,6 +214,10 @@ func CallPrecompiledContracts(address int, lt *LoadTester, opts *bind.TransactOp
 		log.Trace().Str("method", "TestBlake2f").Msg("Executing contract method")
 		inputData = GenerateECPairingInput()
 		return lt.TestBlake2f(opts, inputData)
+	case 100:
+		log.Trace().Str("method", "TestP256Verify").Msg("Executing contract method")
+		inputData = GenerateP256VerifyInput()
+		return lt.TestP256Verify(opts, inputData)
 	}
 
 	return nil, fmt.Errorf("unrecognized precompiled address %d", address)
@@ -218,6 +234,7 @@ func GetRandomPrecompiledContractAddress() int {
 		// 7, // NOTE: ecMul requires a lot of gas and buggy
 		8,
 		9,
+		// 100, // P256Verify haven't been implemented on Ethereum yet
 	}
 
 	return codes[rand.Intn(len(codes))]

bindings/tester/loadTester.go

@@ -947,4 +947,15 @@ contract LoadTester {
         }
         return output;
     }
+
+    // RIP-7212 Precompile for secp256r1 Curve Support
+    // https://github.com/ethereum/RIPs/blob/master/RIPS/rip-7212.md
+    // Ref: https://github.com/daimo-eth/p256-verifier/blob/607d3ec8377a3f59d65eca60d87dee8485d2ebcc/src/P256.sol
+    function testP256Verify(bytes memory inputData) public returns (bool) {
+        address P256VERIFY_PRECOMPILED_CONTRACT = 0x0000000000000000000000000000000000000100;
+        (bool success, bytes memory ret) = P256VERIFY_PRECOMPILED_CONTRACT.staticcall(inputData);
+        assert(success); // never reverts, always returns 0 or 1
+
+        return abi.decode(ret, (uint256)) == 1;
+    }
 }