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Preparing for Pectra L1 hardfork

This page outlines breaking changes related to the Ethereum Pectra (Prague-Electra) L1 hard fork for node operators on the Celo Alfajores L2 testnet.

See also the Optimism Pectra update information.

info

This page will be updated continuously with information and timelines. Ethereum L1 clients are currently scheduled to have a release by Feb 13th.

The Pectra upgrade for Holesky L1 is proposed for slot: 3710976 (Mon, Feb 24 at 21:55:12 UTC).

For node operators on Alfajores​

Node operators will need to upgrade to the respective releases before the activation dates.

The following versions are necessary for every node operator:

Breaking changes​

This version includes a fix which requires breaking changes to the configuration in rollup.json. You need to add the new chain_op_config field. You can do this by adding the following field to rollup.json or by downloading the updated config.

"chain_op_config": {
	"eip1559Elasticity": 5,
	"eip1559Denominator": 400,
	"eip1559DenominatorCanyon": 400
}

For node operators on Baklava​

The releases for the Baklava L2 upgrade already include the changes required for Pectra compatibility. Please follow the L2 migration instructions.