Add basic support for the EVM version Paris

This mostly means testing with evmone, but instruction renaming of difficulty->prevrandao is omitted.

test/EVMHost.cpp

@@ -122,7 +122,8 @@ EVMHost::EVMHost(langutil::EVMVersion _evmVersion, evmc::VM& _vm):
 		m_evmRevision = EVMC_BERLIN;
 	else if (_evmVersion == langutil::EVMVersion::london())
 		m_evmRevision = EVMC_LONDON;
-	// TODO: support EVMVersion::paris()
+	else if (_evmVersion == langutil::EVMVersion::paris())
+		m_evmRevision = EVMC_PARIS;
 	else
 		assertThrow(false, Exception, "Unsupported EVM version");
 

test/libsolidity/StandardCompiler.cpp

@@ -1082,6 +1082,8 @@ BOOST_AUTO_TEST_CASE(evm_version)
 	BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"berlin\"") != string::npos);
 	result = compile(inputForVersion("\"evmVersion\": \"london\","));
 	BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"london\"") != string::npos);
+	result = compile(inputForVersion("\"evmVersion\": \"paris\","));
+	BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"paris\"") != string::npos);
 	// test default
 	result = compile(inputForVersion(""));
 	BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"london\"") != string::npos);

test/libsolidity/semanticTests/state/block_difficulty.sol

@@ -5,6 +5,7 @@ contract C {
 }
 // ====
 // compileToEwasm: also
+// EVMVersion: <paris
 // ----
 // f() -> 200000000
 // f() -> 200000000

test/libsolidity/semanticTests/state/block_difficulty_post_paris.sol

@@ -0,0 +1,12 @@
+contract C {
+    function f() public returns (uint) {
+        return block.difficulty;
+    }
+}
+// ====
+// compileToEwasm: also
+// EVMVersion: >=paris
+// ----
+// f() -> 0xa86c2e601b6c44eb4848f7d23d9df3113fbcac42041c49cbed5000cb4f118777
+// f() -> 0xa86c2e601b6c44eb4848f7d23d9df3113fbcac42041c49cbed5000cb4f118777
+// f() -> 0xa86c2e601b6c44eb4848f7d23d9df3113fbcac42041c49cbed5000cb4f118777

test/tools/fuzzer_common.cpp

@@ -48,7 +48,9 @@ static vector<EVMVersion> s_evmVersions = {
 	EVMVersion::constantinople(),
 	EVMVersion::petersburg(),
 	EVMVersion::istanbul(),
-	EVMVersion::berlin()
+	EVMVersion::berlin(),
+	EVMVersion::london(),
+	EVMVersion::paris()
 };
 
 void FuzzerUtil::testCompilerJsonInterface(string const& _input, bool _optimize, bool _quiet)

test/tools/ossfuzz/protoToYul.cpp

@@ -112,6 +112,10 @@ EVMVersion ProtoConverter::evmVersionMapping(Program_Version const& _ver)
 		return EVMVersion::istanbul();
 	case Program::BERLIN:
 		return EVMVersion::berlin();
+	case Program::LONDON:
+		return EVMVersion::london();
+	case Program::PARIS:
+		return EVMVersion::paris();
 	}
 }
 

test/tools/ossfuzz/yulProto.proto

@@ -396,6 +396,8 @@ message Program {
     PETERSBURG = 5;
     ISTANBUL = 6;
     BERLIN = 7;
+    LONDON = 8;
+    PARIS = 9;
   }
   oneof program_oneof {
     Block block = 1;