Deneb Upgrade and Clean Up

[avalonche]

Task Tracking

Issue tracking for the Deneb Fork Upgrade and code clean up for mev-boost-relay. Changes tracked in the develop branch, NOT to be used for mainnet.

Clean Up

Removing wrapper types

In /common/types.go:

• Remove SignedBlindedBeaconBlock wrapper type Remove signed blinded beacon block wrapper #482
• Remove SignedBeaconBlock wrapper type remove signed beacon block wrapper types #483
• Remove VersionedExecutionPayload wrapper type Remove bellatrix from wrapper types #475
• Remove BuilderSubmitBlockRequest wrapper type Remove submit block request wrapper #485
• Remove GetHeaderResponse wrapper type Remove get header wrapper types #477

Migrating to attestant types

• Upgrade go-boost-utils Upgrade go-boost-utils #488
• Consistency across conflicting package names (see here) Make attestantio import names consistent #510

Deneb

• Clean up deprecated forks and add Deneb fork versions Clean up deprecated forks and add deneb support #486
• Update DomainBeaconProposer and signatures with Deneb support Add deneb signature checking for block contents #495
• Consolidate the type conversion functions in common/types_spec.go
• Update common/types_spec.go with Deneb types and conversion to blinded blob bundles Add deneb support for type conversions #496
• Refactor VersionedSubmitBlockRequest VersionedSignedBeaconBlock and VersionedSignedBlindedBeaconBlock with custom marshalling and unmashalling Add custom json marshalling for versioned structs #493
• Update marshalling for BuilderBlockValidationRequest and flashbots_validateBuilderSubmissionV2 jsonrpc request to handle Deneb
• Upgrade to publishBlockV2 and add Eth-Consensus-Version header to publishBlock endpoint Switch to publishBlockV2 endpoint #492
• Update handleGetHeader, handleGetPayload and handleSubmitBlock to handle Deneb types
• Upgrade storage (db and redis) to handle Deneb payloads
• Update payload_attributes with parentBeaconBlockRoot and validate in the block submission

Dependencies

mev-boost-relay depends on the following changes and they are all still in branch form and / or not implemented yet. go.mod will need to be updated after the PRs are merged to upstream and point to the latest dependency.

go-eth2-client

• Add SignedBlockContents types for Deneb publishBlockV2 endpoint Add block contents and signed block content types attestantio/go-eth2-client#66
• VersionedSignedBlockContents and VersionedSignedBlindedBlockContents types Add versioned block requests attestantio/go-eth2-client#67

go-builder-client

• Fixing the ssz encoding for blob bundles Fix ssz encodings for blob bundles attestantio/go-builder-client#18
• Adding the builder bid structs to attestant Add builder bid structs for deneb attestantio/go-builder-client#17
• Adding Deneb to the versioned struct for the signed header bid Add deneb to versioned signed builder bids and submit block request attestantio/go-builder-client#19
• VersionedSubmitBlockRequest types Add versioned submit block request attestantio/go-builder-client#15
• Add versioned submit block response for the blob bundles Add versioned submit block response attestantio/go-builder-client#20

go-boost-utils

• Util functions to calculate the block hash and conversions Add deneb util functions go-boost-utils#87
  • Will need to replace https://github.com/MariusVanDerWijden/go-ethereum/tree/4844-devnet-6 with latest geth release after the changes are merged

Known issues and bugs

• SSZ support for publishing blocks to the beacon node #525