add cancun check

tserg · Apr 27, 2024 · d6ba9a2 · d6ba9a2
1 parent 4bb7c44
commit d6ba9a2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/vyper/builtins/functions.py b/vyper/builtins/functions.py
@@ -38,9 +38,11 @@
 from vyper.codegen.ir_node import Encoding, scope_multi
 from vyper.codegen.keccak256_helper import keccak256_helper
 from vyper.evm.address_space import MEMORY
+from vyper.evm.opcodes import version_check
 from vyper.exceptions import (
     ArgumentException,
     CompilerPanic,
+    EvmVersionException,
     InvalidLiteral,
     InvalidType,
     StateAccessViolation,
@@ -1220,6 +1222,9 @@ class BlobHash(BuiltinFunctionT):
 
     @process_inputs
     def build_IR(self, expr, args, kwargs, context):
+        if not version_check(begin="cancun"):
+            raise EvmVersionException("`blobhash` is not available pre-cancun", expr)
+
         return IRnode.from_list(["blobhash", args[0]], typ=BYTES32_T)