feat: chain_id mod 53

kkrt-labs · Aug 26, 2024 · 783aae6 · 783aae6
1 parent a6cb462
commit 783aae6
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/kakarot/library.cairo b/src/kakarot/library.cairo
@@ -125,7 +125,7 @@ namespace Kakarot {
         chain_id: felt
     ) {
         let (tx_info) = get_tx_info();
-        let (_, chain_id) = unsigned_div_rem(tx_info.chain_id, 2 ** 32);
+        let (_, chain_id) = unsigned_div_rem(tx_info.chain_id, 2 ** 53);
         return (chain_id=chain_id);
     }
 

diff --git a/tests/src/kakarot/instructions/test_block_information.py b/tests/src/kakarot/instructions/test_block_information.py
@@ -46,6 +46,6 @@ def test__exec_block_information(self, cairo_run, opcode, expected_result):
             }
         ),
     )
-    def test__exec_chain_id__should_return_mod_64(self, cairo_run):
+    def test__exec_chain_id__should_return_mod_53(self, cairo_run):
         output = cairo_run("test__exec_block_information", opcode=Opcodes.CHAINID)
-        assert output == hex(BIG_CHAIN_ID % 2**32)
+        assert output == hex(BIG_CHAIN_ID % 2**53)