Optimism(OP) Mainnet Upgrade

https://s1.coincarp.com/logo/1/optimism.png?style=36&v=1651027145's logo Optimism(OP)

The official date of OP Mainnet’s upgrade to Bedrock has been set: June 6, 2023 at 16:00 UTC! The upgrade will require 2-4 hours of downtime for OP Mainnet.


What is the date for OP Mainnet’s upgrade to Bedrock?

The OP Mainnet upgrade to the Bedrock release will take place on June 6, 2023 at 16:00 UTC.

What block height will the upgrade occur?

The upgrade will be triggered at a timestamp, rather than a block number on June 6, 2023 at 16:00 UTC.

Is this a hard fork, or a new network?

This is a hard fork. The network will retain the same chain ID, transaction history, and state. The first block of the new network will be the last block of the old network + 1.

How long will the upgrade take?

We expect the upgrade to take between 2-4 hours.

What version of upstream Geth is op-geth based off of?

op-geth is currently based off of the 1.11.5 version of go-ethereum. op-geth is periodically updated to include the latest upstream changes.

How can I see the difference between upstream Geth and op-geth?

For an overview of changes in op-geth, a fork of go-ethereum

Will transaction tracing for post-Bedrock data be faster?

Yes. op-geth uses the latest transaction tracers from upstream, which have much better performance than tracers legacy l2geth uses.

Will withdrawals be affected?

Withdrawals that have not completed their 1 week finalization period or have not been claimed on L1 will have their finalization period reset after the Bedrock upgrade. This means any withdrawals you have not claimed on L1 will require another week of waiting after the Bedrock upgrade completes.

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