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versionedsignedblindedbeaconblock.go
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versionedsignedblindedbeaconblock.go
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// Copyright © 2022 Attestant Limited.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"errors"
apiv1bellatrix "github.com/attestantio/go-eth2-client/api/v1/bellatrix"
apiv1capella "github.com/attestantio/go-eth2-client/api/v1/capella"
"github.com/attestantio/go-eth2-client/spec"
"github.com/attestantio/go-eth2-client/spec/phase0"
)
// VersionedSignedBlindedBeaconBlock contains a versioned signed blinded beacon block.
type VersionedSignedBlindedBeaconBlock struct {
Version spec.DataVersion
Bellatrix *apiv1bellatrix.SignedBlindedBeaconBlock
Capella *apiv1capella.SignedBlindedBeaconBlock
}
// Slot returns the slot of the signed beacon block.
func (v *VersionedSignedBlindedBeaconBlock) Slot() (phase0.Slot, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil || v.Bellatrix.Message == nil {
return 0, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.Slot, nil
case spec.DataVersionCapella:
if v.Capella == nil || v.Capella.Message == nil {
return 0, errors.New("no capella block")
}
return v.Capella.Message.Slot, nil
default:
return 0, errors.New("unsupported version")
}
}
// Attestations returns the attestations of the beacon block.
func (v *VersionedSignedBlindedBeaconBlock) Attestations() ([]*phase0.Attestation, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil || v.Bellatrix.Message == nil || v.Bellatrix.Message.Body == nil {
return nil, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.Body.Attestations, nil
case spec.DataVersionCapella:
if v.Capella == nil || v.Capella.Message == nil || v.Capella.Message.Body == nil {
return nil, errors.New("no capella block")
}
return v.Capella.Message.Body.Attestations, nil
default:
return nil, errors.New("unsupported version")
}
}
// Root returns the root of the beacon block.
func (v *VersionedSignedBlindedBeaconBlock) Root() (phase0.Root, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil {
return phase0.Root{}, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.HashTreeRoot()
case spec.DataVersionCapella:
if v.Capella == nil {
return phase0.Root{}, errors.New("no capella block")
}
return v.Capella.Message.HashTreeRoot()
default:
return phase0.Root{}, errors.New("unsupported version")
}
}
// BodyRoot returns the body root of the beacon block.
func (v *VersionedSignedBlindedBeaconBlock) BodyRoot() (phase0.Root, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil {
return phase0.Root{}, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.Body.HashTreeRoot()
case spec.DataVersionCapella:
if v.Capella == nil {
return phase0.Root{}, errors.New("no capella block")
}
return v.Capella.Message.Body.HashTreeRoot()
default:
return phase0.Root{}, errors.New("unsupported version")
}
}
// ParentRoot returns the parent root of the beacon block.
func (v *VersionedSignedBlindedBeaconBlock) ParentRoot() (phase0.Root, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil {
return phase0.Root{}, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.ParentRoot, nil
case spec.DataVersionCapella:
if v.Capella == nil {
return phase0.Root{}, errors.New("no capella block")
}
return v.Capella.Message.ParentRoot, nil
default:
return phase0.Root{}, errors.New("unsupported version")
}
}
// StateRoot returns the state root of the beacon block.
func (v *VersionedSignedBlindedBeaconBlock) StateRoot() (phase0.Root, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil {
return phase0.Root{}, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.StateRoot, nil
case spec.DataVersionCapella:
if v.Capella == nil {
return phase0.Root{}, errors.New("no capella block")
}
return v.Capella.Message.StateRoot, nil
default:
return phase0.Root{}, errors.New("unsupported version")
}
}
// AttesterSlashings returns the attester slashings of the beacon block.
func (v *VersionedSignedBlindedBeaconBlock) AttesterSlashings() ([]*phase0.AttesterSlashing, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil {
return nil, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.Body.AttesterSlashings, nil
case spec.DataVersionCapella:
if v.Capella == nil {
return nil, errors.New("no capella block")
}
return v.Capella.Message.Body.AttesterSlashings, nil
default:
return nil, errors.New("unknown version")
}
}
// ProposerSlashings returns the proposer slashings of the beacon block.
func (v *VersionedSignedBlindedBeaconBlock) ProposerSlashings() ([]*phase0.ProposerSlashing, error) {
switch v.Version {
case spec.DataVersionBellatrix:
if v.Bellatrix == nil {
return nil, errors.New("no bellatrix block")
}
return v.Bellatrix.Message.Body.ProposerSlashings, nil
case spec.DataVersionCapella:
if v.Capella == nil {
return nil, errors.New("no capella block")
}
return v.Capella.Message.Body.ProposerSlashings, nil
default:
return nil, errors.New("unknown version")
}
}