Mainnet Shapella Announcement

1 year ago 228

Withdrawals are coming! The Shapella web upgrade volition activate connected the Ethereum web astatine epoch 194048, scheduled for 22:27:35 UTC connected Apr. 12, 2023
Stakers & node operators should work this station arsenic good arsenic the Withdrawals FAQ
From present until April 5th, the Ethereum Bug Bounty rewards person been doubled for Shapella vulnerabilities
You tin present motion up to person emails for these upgrade announcements. Scroll to the bottommost of the page to bash truthful 📩

After a creaseless Goerli transition, lawsuit teams person scheduled the Shapella upgrade for mainnet activation. Consensus was rapidly reached connected an April 12th day during the 157th AllCoreDevs Execution Layer meeting.

This upgrade follows The Merge and enables validators to retreat their involvement from the Beacon Chain backmost to the execution layer. It besides introduces caller functionality to some the execution and statement layer, described below.

Upgrade Specification

The Shapella upgrade combines changes to the execution furniture (Shanghai), statement furniture (Capella) and the Engine API.

Shanghai

Execution furniture changes included successful Shanghai are disposable here. For reference, they are:

Note that EIP-6049 is lone a deprecation warning. Client teams expect SELFDESTRUCT semantics to alteration successful aboriginal web upgrades, but the opcode's behaviour remains unchanged successful Shanghai.

Additionally, the afloat acceptable of Shanghai changes tin present beryllium viewed successful the Ethereum Execution Layer Specification (EELS), which is simply a caller Python notation implementation for the execution layer.

Capella

Changes to the statement furniture for the Capella upgrade are specified successful the v1.3.0-rc.5 specifications. The README lists the afloat acceptable of changes. At a precocious level, the upgrade introduces:

Full and partial withdrawals for validators
BLSToExecutionChange messages, which let validators utilizing a BLS_WITHDRAWAL_PREFIX to update it to an ETH1_ADDRESS_WITHDRAWAL_PREFIX, a prerequisite for withdrawals
Independent authorities and artifact humanities accumulators, replacing the archetypal singular humanities roots

Stakers are encouraged to work the Withdrawal FAQ for much accusation connected however they should hole for Capella.

Engine API

Changes to the Engine API tin beryllium recovered successful the shanghai.md record of the execution-apis repository. In short, a WithdrawalV1 operation is introduced and added to applicable structures and methods. Changes to execution furniture APIs since The Merge person been bundled successful the repository's latest release.

Client Releases

The pursuing lawsuit releases enactment Shanghai & Capella connected the Ethereum mainnet. Previous Shapella releases lone supported testnet deployments and are not compatible with the mainnet upgrade.

When choosing which lawsuit to run, validators should beryllium particularly mindful of the risks of moving a bulk lawsuit connected some the execution furniture (EL) and statement furniture (CL). An explainer of these risks and their consequences tin beryllium recovered here. An estimation of existent EL and CL lawsuit organisation and guides for switching from 1 lawsuit to different tin beryllium recovered here.

Consensus Layer Mainnet Releases

Note: erstwhile moving a validator, some the Consensus Layer Beacon Node and Validator Client indispensable beryllium updated.

Execution Layer Mainnet Releases

Note: an contented has been recovered successful Erigon v2.41.0. This merchandise volition not beryllium suitable for the Shapella upgrade. Erigon users should upgrade to v2.42.0.

FAQ

As an Ethereum idiosyncratic oregon Ether holder, is determination thing I request to do?

In short, no.

If you usage an exchange, integer wallet oregon hardware wallet you bash not request to bash thing unless you are informed to instrumentality further steps by your speech oregon wallet provider.

If you tally your ain Ethereum node, spot the adjacent question.

As a non-staking node operator, what bash I request to do?

To beryllium compatible with the Mainnet upgrade, update your node to the mentation of your Ethereum lawsuit listed successful the array above.

As a staker, what bash I request to do?

To beryllium compatible with the Mainnet upgrade, update your node to the mentation of your Ethereum lawsuit listed successful the array above. Make definite some your beacon node and validator lawsuit are updated!

We besides urge speechmaking the Withdrawal FAQ.

What happens if I americium a staker oregon node relation and I bash not enactment successful the upgrade?

If you are utilizing an Ethereum lawsuit that is not updated to the latest mentation (listed above), your lawsuit volition sync to the pre-fork blockchain erstwhile the upgrade occurs.

You volition beryllium stuck connected an incompatible concatenation pursuing the aged rules and volition beryllium incapable to nonstop Ether oregon run connected the post-Shapella Ethereum network.

As an exertion oregon tooling developer, what should I do?

Shapella does not present breaking changes for astute contracts. Application and tooling developers should reappraisal the upgrade changes to guarantee immoderate fixes are done, oregon to recognize however to usage recently introduced functionality.

That said, exertion developers should beryllium alert that arsenic of Shanghai, the SELFDESTRUCT opcode is considered deprecated. While its semantics bash not alteration arsenic portion of this web upgrade, they apt volition successful consequent ones. See EIP-6049 for much information.

Why "Shapella"?

Upgrades to the execution furniture travel Devcon metropolis names and those to the statement furniture travel prima names. "Shapella" is the operation of Shanghai, the determination of Devcon 2, and Capella, the brightest prima successful the bluish constellation of Auriga.

Where tin I ticker Shapella spell live?

EthStaker & Ethereum Cat Herders are hosting a Shapella viewing party, starting soon earlier the upgrade goes live. You tin tune successful here.

Thank you to everyone who contributed to the Shapella upgrade, and to each the stakers - aged and caller - who helped unafraid what are inactive the aboriginal days of proof-of-stake Ethereum!

Cover representation primitively by Yiran Ding, adapted by Tomo Saito.

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