Optimism Fork (Holocene) will be activated on Mainnet on Thu 09 Jan 2025 18:00:01 UTCPrior to the update, for nodes/integrators:
run op-geth >=
run op-node >= (for alt-da, consider respective forks like celestia/eigen)
set on both the flag --override.holocene=1736445601
Past updates
HOLOCENE
run op-geth >=
run op-node >= (for alt-da, consider respective forks like celestia/eigen)
set on both the flag --override.holocene=1736445601
Optimism Fork (Holocene) will be activated on your Mainnet on Thu 09 Jan 2025 18:00:01 UTCPrior to the update, please confirm the following on external nodes/integrators:
run op-geth >=
run op-node >= (for alt-da, consider respective forks like celestia/eigen)
set on both the flag --override.holocene=1736445601 If you are not using the previous fork, Granite, on your external nodes (check the following flags is set --override.granite), please reach out. In the case, you might need to enable the Granite hard fork flags two days before Tue 07 Jan 2025 18:00:01 UTC. You can use the same software version and configure it with --override.granite=1736272801
GRANITE UPDATE
the Optimism Granite Hard Fork happened on Wed 11 Sep 2024 16:00:01 UTC . More info .For external nodes/integrators:
run op-geth >=
run op-node >= (for alt-da, consider respective forks like celestia/eigen)
set on op-geth and op-node the flag --override.granite=1726070401
FJORD UPDATE - Wed Jul 10 16:00:01 UTC 2024Node operators will need to upgrade to Fjord before the activation date. For Sepolia, the op-node release and op-geth release contain these changes. Please update to the latest releases of and .
VERIFY
Make the following checks to verify that your node is properly configured.
op-node and op-geth will log their configurations at startup
Check that the Fjord time is set to activation-timestamp in the op-node startup logs
Check that the Fjord time is set to activation-timestamp in the op-geth startup logs
For more information please visit .
Ecotone Upgrade (Dencun + EIP-4844)
The Ecotone upgrade for OP Sepolia activated at 1708534800 Wed Feb 21 17:00:00 UTC 2024.
Getting ready for Ecotone Upgrade (Dencun + EIP-4844)
You need l1 beacon api access for op-node and pass via --l1.beacon param (or OP_NODE_L1_BEACON env).
Consider having full-archive blobs access. if you are on the superchain you don't have to pass any new parameter.
Last updated 1 day ago
Node Operators | Milo Docs
The Ecotone upgrade contains the Dencun upgrade from L1, and adopts EIP-4844 blobs for data-availability. Please refer to:
