From ec702984f1a8bcdefc3440c63748416bda53fe71 Mon Sep 17 00:00:00 2001 From: Claude Agent Date: Mon, 15 Jun 2026 10:29:17 +0000 Subject: [PATCH] superseed-sepolia: add Karst hardfork time (1781712001 = 2026-06-17 16:00:01 UTC) OP Sepolia network-wide Karst activation. op-node v1.19.0 (pinned) and conduit-op-reth:latest are Karst-aware; op-node v1.17.0 introduced Karst. Co-Authored-By: Claude Opus 4.8 (1M context) --- op/superseed/sepolia/genesis.json | 1 + op/superseed/sepolia/rollup.json | 1 + 2 files changed, 2 insertions(+) diff --git a/op/superseed/sepolia/genesis.json b/op/superseed/sepolia/genesis.json index bd53fe42..f4d51657 100644 --- a/op/superseed/sepolia/genesis.json +++ b/op/superseed/sepolia/genesis.json @@ -25,6 +25,7 @@ "holoceneTime": 1732633200, "isthmusTime": 1744905600, "jovianTime": 1768978801, + "karstTime": 1781712001, "terminalTotalDifficulty": 0, "terminalTotalDifficultyPassed": true, "optimism": { diff --git a/op/superseed/sepolia/rollup.json b/op/superseed/sepolia/rollup.json index 827511a1..d6c73885 100644 --- a/op/superseed/sepolia/rollup.json +++ b/op/superseed/sepolia/rollup.json @@ -36,6 +36,7 @@ "holocene_time": 1732633200, "isthmus_time": 1744905600, "jovian_time": 1768978801, + "karst_time": 1781712001, "pectra_blob_schedule_time": 1742486400, "batch_inbox_address": "0x3a81f59e6bf4238d1ed202f3b06389454de3f204", "deposit_contract_address": "0x7a0db8c51432d2c3eb4e8f360a2eeb26ff2809fb",