Merge pull request #14806 from ethereum/fuzz-blobhash

Yul fuzzer: Support blobhash(uint) global function

Author: bshastry

Diff for: test/tools/ossfuzz/protoToYul.cpp

@@ -599,6 +599,12 @@ void ProtoConverter::visit(UnaryOp const& _x)
 		return;
 	}
 
+	if (op == UnaryOp::BLOBHASH && !m_evmVersion.hasBlobHash())
+	{
+		m_output << dictionaryToken();
+		return;
+	}
+
 	// The following instructions may lead to change of EVM state and are hence
 	// excluded to avoid false positives.
 	if (
@@ -647,6 +653,9 @@ void ProtoConverter::visit(UnaryOp const& _x)
 	case UnaryOp::BLOCKHASH:
 		m_output << "blockhash";
 		break;
+	case UnaryOp::BLOBHASH:
+		m_output << "blobhash";
+		break;
 	}
 	m_output << "(";
 	if (op == UnaryOp::MLOAD)

Diff for: test/tools/ossfuzz/yulProto.proto

@@ -156,6 +156,7 @@ message UnaryOp {
     EXTCODEHASH = 7;
     BALANCE = 8;
     BLOCKHASH = 9;
+    BLOBHASH = 10;
   }
   required UOp op = 1;
   required Expression operand = 2;