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Fulu support for mev-boost #805

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9726e44
Initial fulu support
jtraglia Apr 22, 2025
39b6701
Fix lint and some nits
jtraglia Apr 10, 2025
0fc7320
Update go-eth2-client
jtraglia Apr 10, 2025
d024021
Add fulu test & fix tests
jtraglia Apr 10, 2025
89c1d4a
Merge branch 'fulu' of https://github.com/jtraglia/mev-boost into bha…
bharath-123 Jun 26, 2025
08e9d5c
update go-eth2-client
bharath-123 Jun 26, 2025
eef602e
Merge pull request #1 from bharath-123/bharath/fulu
jtraglia Jun 26, 2025
481f298
ensure that number of commitments equals extended blob cell proofs
bharath-123 Jul 1, 2025
b8753f7
fmt
bharath-123 Jul 1, 2025
866b905
minor typos
bharath-123 Jul 14, 2025
eb43547
address some review comments
bharath-123 Jul 15, 2025
acb775d
add blobs, commitments and cell proofs to fulu payload tests
bharath-123 Jul 15, 2025
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10 changes: 10 additions & 0 deletions common/common.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,16 @@ import (

const (
SlotTimeSecMainnet = 12
// FieldElementsPerBlob is the number of field elements needed to represent a blob.
FieldElementsPerBlob = 4096
// BlobExpansionFactor is the factor by which we extend a blob for PeerDAS.
BlobExpansionFactor = 2
// FieldElementsPerCell is the number of field elements in a cell.
FieldElementsPerCell = 64
// FieldElementsPerExtBlob is the number of field elements needed to represent an extended blob.
FieldElementsPerExtBlob = FieldElementsPerBlob * BlobExpansionFactor
// CellsPerExtBlob is the number of cells in an extended blob.
CellsPerExtBlob = FieldElementsPerExtBlob / FieldElementsPerCell
)

func GetEnv(key, defaultValue string) string {
Expand Down
9 changes: 6 additions & 3 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -20,10 +20,10 @@ require (
github.com/bits-and-blooms/bitset v1.22.0 // indirect
github.com/consensys/bavard v0.1.30 // indirect
github.com/consensys/gnark-crypto v0.17.0 // indirect
github.com/crate-crypto/go-eth-kzg v1.3.0 // indirect
github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a // indirect
github.com/crate-crypto/go-kzg-4844 v1.1.0 // indirect
github.com/emicklei/dot v1.8.0 // indirect
github.com/ethereum/c-kzg-4844 v1.0.3 // indirect
github.com/ethereum/c-kzg-4844/v2 v2.0.1 // indirect
github.com/ethereum/go-verkle v0.2.2 // indirect
github.com/goccy/go-yaml v1.17.1 // indirect
github.com/gofrs/flock v0.12.1 // indirect
Expand All @@ -37,7 +37,7 @@ require (

require (
github.com/attestantio/go-builder-client v0.6.1
github.com/attestantio/go-eth2-client v0.25.0
github.com/attestantio/go-eth2-client v0.25.1-0.20250603135601-6ac0bfda7fda
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
github.com/ferranbt/fastssz v0.1.4 // indirect
Expand All @@ -60,3 +60,6 @@ require (
gopkg.in/yaml.v2 v2.4.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

replace github.com/attestantio/go-builder-client => github.com/jtraglia/go-builder-client v0.4.6-0.20250410195459-42a3ff7f1546
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Do you want to maintain this for the long term @jtraglia ?

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No. We will remove this when attestant adds support. I don't think we have to block merging this PR on that though.

replace github.com/ethereum/go-ethereum => github.com/MariusVanDerWijden/go-ethereum v0.0.0-20250401090816-5ab5127f5408
18 changes: 10 additions & 8 deletions go.sum
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
github.com/MariusVanDerWijden/go-ethereum v0.0.0-20250401090816-5ab5127f5408 h1:0H1RpU0pilwhz2sItGYkA1z8+i4MJSf0u/kH5vQloTk=
github.com/MariusVanDerWijden/go-ethereum v0.0.0-20250401090816-5ab5127f5408/go.mod h1:huOmsndLTH6QOh8JLawPM5qPrQbdQ5QlD2wd5AN9VTI=
github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
github.com/attestantio/go-builder-client v0.6.1 h1:fn6PC8aDWx2YbptstR1JKP8NyakiNJJTiOE5f9N0z5Q=
github.com/attestantio/go-builder-client v0.6.1/go.mod h1:f8wi3HzuPxfJoi2PirpJK3yZhte4SavDgKJbRrKoB1Q=
github.com/attestantio/go-eth2-client v0.25.0 h1:wLQxoteGCbTE/vKCMASx1ze+Zm9rcqtltRnblaLJup4=
github.com/attestantio/go-eth2-client v0.25.0/go.mod h1:fvULSL9WtNskkOB4i+Yyr6BKpNHXvmpGZj9969fCrfY=
github.com/attestantio/go-eth2-client v0.25.1-0.20250603135601-6ac0bfda7fda h1:Wc7YGICtTWKNZvMjpIN/l6HKTj9POEU9N67NIWWWOk0=
github.com/attestantio/go-eth2-client v0.25.1-0.20250603135601-6ac0bfda7fda/go.mod h1:fvULSL9WtNskkOB4i+Yyr6BKpNHXvmpGZj9969fCrfY=
github.com/bits-and-blooms/bitset v1.22.0 h1:Tquv9S8+SGaS3EhyA+up3FXzmkhxPGjQQCkcs2uw7w4=
github.com/bits-and-blooms/bitset v1.22.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
Expand All @@ -12,6 +12,8 @@ github.com/consensys/bavard v0.1.30 h1:wwAj9lSnMLFXjEclKwyhf7Oslg8EoaFz9u1QGgt0b
github.com/consensys/bavard v0.1.30/go.mod h1:k/zVjHHC4B+PQy1Pg7fgvG3ALicQw540Crag8qx+dZs=
github.com/consensys/gnark-crypto v0.17.0 h1:vKDhZMOrySbpZDCvGMOELrHFv/A9mJ7+9I8HEfRZSkI=
github.com/consensys/gnark-crypto v0.17.0/go.mod h1:A2URlMHUT81ifJ0UlLzSlm7TmnE3t7VxEThApdMukJw=
github.com/crate-crypto/go-eth-kzg v1.3.0 h1:05GrhASN9kDAidaFJOda6A4BEvgvuXbazXg/0E3OOdI=
github.com/crate-crypto/go-eth-kzg v1.3.0/go.mod h1:J9/u5sWfznSObptgfa92Jq8rTswn6ahQWEuiLHOjCUI=
github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a h1:W8mUrRp6NOVl3J+MYp5kPMoUZPp7aOYHtaua31lwRHg=
github.com/crate-crypto/go-ipa v0.0.0-20240724233137-53bbb0ceb27a/go.mod h1:sTwzHBvIzm2RfVCGNEBZgRyjwK40bVoun3ZnGOCafNM=
github.com/crate-crypto/go-kzg-4844 v1.1.0 h1:EN/u9k2TF6OWSHrCCDBBU6GLNMq88OspHHlMnHfoyU4=
Expand All @@ -25,10 +27,8 @@ github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 h1:NMZiJj8QnKe1LgsbDayM4UoHwbvw
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0/go.mod h1:ZXNYxsqcloTdSy/rNShjYzMhyjf0LaoftYK0p+A3h40=
github.com/emicklei/dot v1.8.0 h1:HnD60yAKFAevNeT+TPYr9pb8VB9bqdeSo0nzwIW6IOI=
github.com/emicklei/dot v1.8.0/go.mod h1:DeV7GvQtIw4h2u73RKBkkFdvVAz0D9fzeJrgPW6gy/s=
github.com/ethereum/c-kzg-4844 v1.0.3 h1:IEnbOHwjixW2cTvKRUlAAUOeleV7nNM/umJR+qy4WDs=
github.com/ethereum/c-kzg-4844 v1.0.3/go.mod h1:VewdlzQmpT5QSrVhbBuGoCdFJkpaJlO1aQputP83wc0=
github.com/ethereum/go-ethereum v1.15.9 h1:bRra1zi+/q+qyXZ6fylZOrlaF8kDdnlTtzNTmNHfX+g=
github.com/ethereum/go-ethereum v1.15.9/go.mod h1:+S9k+jFzlyVTNcYGvqFhzN/SFhI6vA+aOY4T5tLSPL0=
github.com/ethereum/c-kzg-4844/v2 v2.0.1 h1:NuErvd0Ha5gLvvZ1m9Id9UZ11kcqMBUUXsbm7yXcAYI=
github.com/ethereum/c-kzg-4844/v2 v2.0.1/go.mod h1:urP+cLBtKCW4BS5bnA2IXYs1PRGPpXmdotqpBuU6/5s=
github.com/ethereum/go-verkle v0.2.2 h1:I2W0WjnrFUIzzVPwm8ykY+7pL2d4VhlsePn4j7cnFk8=
github.com/ethereum/go-verkle v0.2.2/go.mod h1:M3b90YRnzqKyyzBEWJGqj8Qff4IDeXnzFw0P9bFw3uk=
github.com/ferranbt/fastssz v0.1.4 h1:OCDB+dYDEQDvAgtAGnTSidK1Pe2tW3nFV40XyMkTeDY=
Expand Down Expand Up @@ -59,6 +59,8 @@ github.com/huandu/go-clone v1.7.2 h1:3+Aq0Ed8XK+zKkLjE2dfHg0XrpIfcohBE1K+c8Usxoo
github.com/huandu/go-clone v1.7.2/go.mod h1:ReGivhG6op3GYr+UY3lS6mxjKp7MIGTknuU5TbTVaXE=
github.com/huandu/go-clone/generic v1.6.0 h1:Wgmt/fUZ28r16F2Y3APotFD59sHk1p78K0XLdbUYN5U=
github.com/huandu/go-clone/generic v1.6.0/go.mod h1:xgd9ZebcMsBWWcBx5mVMCoqMX24gLWr5lQicr+nVXNs=
github.com/jtraglia/go-builder-client v0.4.6-0.20250410195459-42a3ff7f1546 h1:UnMUnbUz6fiJ1Ox7hNMkAS6T+Vcdy2qjo9q2D3q8zqg=
github.com/jtraglia/go-builder-client v0.4.6-0.20250410195459-42a3ff7f1546/go.mod h1:3Z2KfjbuX2EmJajEmDb3I/JdDqzlm4WsojnCugO0oM0=
github.com/klauspost/cpuid/v2 v2.2.10 h1:tBs3QSyvjDyFTq3uoc/9xFpCuOsJQFNPiAhYdw2skhE=
github.com/klauspost/cpuid/v2 v2.2.10/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
Expand Down
1 change: 1 addition & 0 deletions server/constants.go
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Expand Up @@ -17,4 +17,5 @@ const (
EthConsensusVersionCapella = "capella"
EthConsensusVersionDeneb = "deneb"
EthConsensusVersionElectra = "electra"
EthConsensusVersionFulu = "fulu"
)
7 changes: 7 additions & 0 deletions server/get_header.go
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Original file line number Diff line number Diff line change
Expand Up @@ -279,6 +279,10 @@ func decodeBid(respBytes []byte, respContentType, ethConsensusVersion string, bi
bid.Version = spec.DataVersionElectra
bid.Electra = new(builderApiElectra.SignedBuilderBid)
return bid.Electra.UnmarshalSSZ(respBytes)
case EthConsensusVersionFulu:
bid.Version = spec.DataVersionFulu
bid.Fulu = new(builderApiElectra.SignedBuilderBid)
return bid.Fulu.UnmarshalSSZ(respBytes)
default:
return errInvalidForkVersion
}
Expand Down Expand Up @@ -322,6 +326,9 @@ func (m *BoostService) respondGetHeaderSSZ(w http.ResponseWriter, result *bidRes
case spec.DataVersionElectra:
w.Header().Set(HeaderEthConsensusVersion, EthConsensusVersionElectra)
sszData, err = result.response.Electra.MarshalSSZ()
case spec.DataVersionFulu:
w.Header().Set(HeaderEthConsensusVersion, EthConsensusVersionFulu)
sszData, err = result.response.Fulu.MarshalSSZ()
case spec.DataVersionUnknown, spec.DataVersionPhase0, spec.DataVersionAltair:
err = errInvalidForkVersion
}
Expand Down
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