Lock evmtool code-validate into runtime mode (#7397)

To conform to fuzzing practices, `code-validate` expects all code to be
runtime code.

Signed-off-by: Danno Ferrin <danno@numisight.com>

ethereum/evmtool/src/main/java/org/hyperledger/besu/evmtool/CodeValidateSubCommand.java

@@ -23,7 +23,9 @@ import org.hyperledger.besu.evm.Code;
 import org.hyperledger.besu.evm.EVM;
 import org.hyperledger.besu.evm.EvmSpecVersion;
 import org.hyperledger.besu.evm.code.CodeInvalid;
+import org.hyperledger.besu.evm.code.CodeV1;
 import org.hyperledger.besu.evm.code.EOFLayout;
+import org.hyperledger.besu.evm.code.EOFLayout.EOFContainerMode;
 import org.hyperledger.besu.util.LogConfigurator;
 
 import java.io.BufferedReader;
@@ -45,7 +47,7 @@ import picocli.CommandLine.ParentCommand;
  * fuzzing. It implements the Runnable interface and is annotated with the {@code
  * CommandLine.Command} annotation.
  */
-@SuppressWarnings({"ConstantValue", "DataFlowIssue"})
+@SuppressWarnings({"ConstantValue"})
 @CommandLine.Command(
     name = COMMAND_NAME,
     description = "Validates EVM code for fuzzing",
@@ -154,6 +156,9 @@ public class CodeValidateSubCommand implements Runnable {
     Code code = evm.getCodeUncached(codeBytes);
     if (code instanceof CodeInvalid codeInvalid) {
       return "err: " + codeInvalid.getInvalidReason();
+    } else if (EOFContainerMode.INITCODE.equals(
+        ((CodeV1) code).getEofLayout().containerMode().get())) {
+      return "err: code is valid initcode.  Runtime code expected";
     } else {
       return "OK "
           + IntStream.range(0, code.getCodeSectionCount())

ethereum/evmtool/src/test/java/org/hyperledger/besu/evmtool/EvmToolSpecTests.java

@@ -62,6 +62,10 @@ public class EvmToolSpecTests {
     return findSpecFiles(new String[] {"b11r"});
   }
 
+  public static Object[][] codeValidateTests() {
+    return findSpecFiles(new String[] {"code-validate"});
+  }
+
   public static Object[][] prettyPrintTests() {
     return findSpecFiles(new String[] {"pretty-print"});
   }
@@ -122,6 +126,7 @@ public class EvmToolSpecTests {
   @MethodSource({
     "blocktestTests",
     "b11rTests",
+    "codeValidateTests",
     "prettyPrintTests",
     "stateTestTests",
     "t8nTests",

ethereum/evmtool/src/test/resources/org/hyperledger/besu/evmtool/code-validate/initcode.json

@@ -0,0 +1,7 @@
+{
+  "cli": [
+    "code-validate"
+  ],
+  "stdin": "ef000101000402000100060300010014040000000080000260006000ee00ef00010100040200010001040000000080000000",
+  "stdout": "err: code is valid initcode.  Runtime code expected"
+}

ethereum/evmtool/src/test/resources/org/hyperledger/besu/evmtool/code-validate/runtime.json

@@ -0,0 +1,7 @@
+{
+  "cli": [
+    "code-validate"
+  ],
+  "stdin": "ef00010100040200010001040000000080000000",
+  "stdout": "OK 00\n"
+}