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service.go
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service.go
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// Copyright © 2022, 2023 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 client
import (
"context"
"github.com/attestantio/go-builder-client/api"
"github.com/attestantio/go-builder-client/spec"
consensusapi "github.com/attestantio/go-eth2-client/api"
"github.com/attestantio/go-eth2-client/spec/phase0"
)
// Service is the service providing a connection to an MEV relay.
type Service interface {
// Name returns the name of the builder implementation.
Name() string
// Address returns the address of the builder.
Address() string
// Pubkey returns the public key of the builder (if any).
Pubkey() *phase0.BLSPubKey
}
// BuilderBidProvider is the interface for a provider of builder bids.
type BuilderBidProvider interface {
Service
// BuilderBidProvider obtains a builder bid.
BuilderBid(ctx context.Context,
slot phase0.Slot,
parentHash phase0.Hash32,
pubKey phase0.BLSPubKey,
) (
*spec.VersionedSignedBuilderBid,
error,
)
}
// ValidatorRegistrationsSubmitter is the interface for a submitter of validator registrations.
type ValidatorRegistrationsSubmitter interface {
Service
// SubmitValidatorRegistrations submits validator registrations.
SubmitValidatorRegistrations(ctx context.Context, registrations []*api.VersionedSignedValidatorRegistration) error
}
// UnblindedBlockProvider is the interface for a provider of unblinded blocks.
type UnblindedBlockProvider interface {
Service
// UnblindBlock unblinds a block.
//
// Deprecated: this will not work from the deneb hard-fork onwards. Use UnblindedProposalProvider.UnblindProposal() instead.
UnblindBlock(ctx context.Context,
block *consensusapi.VersionedSignedBlindedBeaconBlock,
) (
*consensusapi.VersionedSignedProposal,
error,
)
}
// UnblindedProposalProvider is the interface for unblinded proposals.
type UnblindedProposalProvider interface {
Service
// UnblindProposal unblinds a proposal.
UnblindProposal(ctx context.Context,
proposal *consensusapi.VersionedSignedBlindedProposal,
) (
*consensusapi.VersionedSignedProposal,
error,
)
}