From 33ea38b8d92d62c5da4ada82d3303f007f9b5d51 Mon Sep 17 00:00:00 2001
From: Claude Agent <claude@stakesquid.eu>
Date: Tue, 7 Jul 2026 01:02:48 +0000
Subject: [PATCH] mode: add optimism.eip1559DenominatorCanyon=250 to mainnet
 genesis

Canyon-fork EIP-1559 denominator, present in the authoritative genesis
on rpc-de-32 but missing from the committed copy. Matches the fork-time
addition in d4fc9487.
---
 op/mode/mainnet/genesis.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/op/mode/mainnet/genesis.json b/op/mode/mainnet/genesis.json
index bc94f585..9ddc1b9e 100644
--- a/op/mode/mainnet/genesis.json
+++ b/op/mode/mainnet/genesis.json
@@ -31,7 +31,8 @@
     "terminalTotalDifficultyPassed": true,
     "optimism": {
       "eip1559Elasticity": 6,
-      "eip1559Denominator": 50
+      "eip1559Denominator": 50,
+      "eip1559DenominatorCanyon": 250
     }
   },
   "nonce": "0x0",