add in interfaces

beacon-chain/core/altair/epoch_precompute.go

@@ -270,6 +270,7 @@ func AttestationsDelta(beaconState state.BeaconState, bal *precompute.Balance, v
 	// Modified in Altair and Bellatrix.
 	var inactivityDenominator uint64
 	bias := cfg.InactivityScoreBias
+	inactivityDenominator := bias * beaconState.InactivityPenaltyQuotient()
 	switch beaconState.Version() {
 	case version.Altair:
 		inactivityDenominator = bias * cfg.InactivityPenaltyQuotientAltair

beacon-chain/state/phase0.go

@@ -16,12 +16,19 @@ import (
 type BeaconState interface {
 	ReadOnlyBeaconState
 	WriteOnlyBeaconState
+	SpecConstantsProvider
 	Copy() BeaconState
 	HashTreeRoot(ctx context.Context) ([32]byte, error)
 	FutureForkStub
 	StateProver
 }
 
+// SpecConstantsProvider defines a struct which can provide varying configuration
+// values depending on fork versions, such as the beacon state.
+type SpecConstantsProvider interface {
+	InactivityPenaltyQuotient() (uint64, error)
+}
+
 // StateProver defines the ability to create Merkle proofs for beacon state fields.
 type StateProver interface {
 	FinalizedRootProof(ctx context.Context) ([][]byte, error)

beacon-chain/state/state-native/v1/spec_constants.go

@@ -0,0 +1,7 @@
+package v1
+
+import "github.com/prysmaticlabs/prysm/config/params"
+
+func (b *BeaconState) InactivityPenaltyQuotient() uint64 {
+	return params.BeaconConfig().InactivityPenaltyQuotient
+}

beacon-chain/state/state-native/v2/spec_constants.go

@@ -0,0 +1,7 @@
+package v2
+
+import "github.com/prysmaticlabs/prysm/config/params"
+
+func (b *BeaconState) InactivityPenaltyQuotient() uint64 {
+	return params.BeaconConfig().InactivityPenaltyQuotientAltair
+}

beacon-chain/state/state-native/v3/spec_constants.go

@@ -0,0 +1,7 @@
+package v3
+
+import "github.com/prysmaticlabs/prysm/config/params"
+
+func (b *BeaconState) InactivityPenaltyQuotient() uint64 {
+	return params.BeaconConfig().InactivityPenaltyQuotientBellatrix
+}

beacon-chain/state/v1/spec_constants.go

@@ -0,0 +1,7 @@
+package v1
+
+import "github.com/prysmaticlabs/prysm/config/params"
+
+func (b *BeaconState) InactivityPenaltyQuotient() uint64 {
+	return params.BeaconConfig().InactivityPenaltyQuotient
+}

beacon-chain/state/v2/spec_constants.go

@@ -0,0 +1,7 @@
+package v1
+
+import "github.com/prysmaticlabs/prysm/config/params"
+
+func (b *BeaconState) InactivityPenaltyQuotient() uint64 {
+	return params.BeaconConfig().InactivityPenaltyQuotientAltair
+}

beacon-chain/state/v3/spec_constants.go

@@ -0,0 +1,7 @@
+package v1
+
+import "github.com/prysmaticlabs/prysm/config/params"
+
+func (b *BeaconState) InactivityPenaltyQuotient() uint64 {
+	return params.BeaconConfig().InactivityPenaltyQuotientBellatrix
+}

consensus-types/interfaces.go

@@ -0,0 +1,72 @@
+package consensus_types
+
+import (
+	ssz "github.com/ferranbt/fastssz"
+	types "github.com/prysmaticlabs/eth2-types"
+	enginev1 "github.com/prysmaticlabs/prysm/proto/engine/v1"
+	ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
+	validatorpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/validator-client"
+	"google.golang.org/protobuf/proto"
+)
+
+// SSZItem defines a struct which provides Marshal,
+// Unmarshal, and HashTreeRoot SSZ operations.
+type SSZItem interface {
+	ssz.Marshaler
+	ssz.Unmarshaler
+	ssz.HashRoot
+}
+
+// Container defines the base methods required for a consensus
+// data structure used in Prysm, containing utilities for SSZ
+// as well as conversion methods to a protobuf representation for use
+// with Prysm's gRPC API.
+type Container interface {
+	SSZItem
+	IsNil() bool
+	Proto() proto.Message
+	FromProto(m proto.Message)
+}
+
+// SignedBeaconBlock describes the method set of a signed beacon block.
+type SignedBeaconBlock interface {
+	Container
+	Block() BeaconBlock
+	Signature() []byte
+	Copy() SignedBeaconBlock
+	PbGenericBlock() (*ethpb.GenericSignedBeaconBlock, error)
+	PbPhase0Block() (*ethpb.SignedBeaconBlock, error)
+	PbAltairBlock() (*ethpb.SignedBeaconBlockAltair, error)
+	PbBellatrixBlock() (*ethpb.SignedBeaconBlockBellatrix, error)
+	PbBlindedBellatrixBlock() (*ethpb.SignedBlindedBeaconBlockBellatrix, error)
+	Header() (*ethpb.SignedBeaconBlockHeader, error)
+}
+
+// BeaconBlock describes an interface which states the methods
+// employed by an object that is a beacon block.
+type BeaconBlock interface {
+	Container
+	Slot() types.Slot
+	ProposerIndex() types.ValidatorIndex
+	ParentRoot() []byte
+	StateRoot() []byte
+	Body() BeaconBlockBody
+	AsSignRequestObject() validatorpb.SignRequestObject
+}
+
+// BeaconBlockBody describes the method set employed by an object
+// that is a beacon block body.
+type BeaconBlockBody interface {
+	Container
+	RandaoReveal() []byte
+	Eth1Data() *ethpb.Eth1Data
+	Graffiti() []byte
+	ProposerSlashings() []*ethpb.ProposerSlashing
+	AttesterSlashings() []*ethpb.AttesterSlashing
+	Attestations() []*ethpb.Attestation
+	Deposits() []*ethpb.Deposit
+	VoluntaryExits() []*ethpb.SignedVoluntaryExit
+	SyncAggregate() (*ethpb.SyncAggregate, error)
+	ExecutionPayload() (*enginev1.ExecutionPayload, error)
+	ExecutionPayloadHeader() (*ethpb.ExecutionPayloadHeader, error)
+}