Add single attestation

Revert params.SetupTestConfigCleanupWithLock(t)

CHANGELOG.md

@@ -61,6 +61,7 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Updated light client protobufs. [PR](https://github.com/prysmaticlabs/prysm/pull/14650)
 - Added `Eth-Consensus-Version` header to `ListAttestationsV2` and `GetAggregateAttestationV2` endpoints.
 - Updated light client consensus types. [PR](https://github.com/prysmaticlabs/prysm/pull/14652)
+- Add missed exit checks to consolidation processing
 
 ### Deprecated
 

WORKSPACE

@@ -227,7 +227,7 @@ filegroup(
     url = "https://github.com/ethereum/EIPs/archive/5480440fe51742ed23342b68cf106cefd427e39d.tar.gz",
 )
 
-consensus_spec_version = "v1.5.0-alpha.8"
+consensus_spec_version = "v1.5.0-alpha.9"
 
 bls_test_version = "v0.1.1"
 
@@ -243,7 +243,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-BsGIbEyJuYrzhShGl0tHhR4lP5Qwno8R3k8a6YBR/DA=",
+    integrity = "sha256-gHbvlnErUeJGWzW8/8JiVlk28JwmXSMhOzkynEIz+8g=",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/general.tar.gz" % consensus_spec_version,
 )
 
@@ -259,7 +259,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-DkdvhPP2KiqUOpwFXQIFDCWCwsUDIC/xhTBD+TZevm0=",
+    integrity = "sha256-hQkQdpm5ng4miGYa5WsOKWa0q8WtZu99Oqbv9QtBeJM=",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/minimal.tar.gz" % consensus_spec_version,
 )
 
@@ -275,7 +275,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-vkZqV0HB8A2Uc56C1Us/p5G57iaHL+zw2No93Xt6M/4=",
+    integrity = "sha256-33sBsmApnJpcyYfR3olKaPB+WC1q00ZKNzHa2TczIxk=",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/mainnet.tar.gz" % consensus_spec_version,
 )
 
@@ -290,7 +290,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-D/HPAW61lKqjoWwl7N0XvhdX+67dCEFAy8JxVzqBGtU=",
+    integrity = "sha256-GQulBKLc2khpql2K/MxV+NG/d2kAhLXl+gLnKIg7rt4=",
     strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
     url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )

beacon-chain/core/electra/BUILD.bazel

@@ -41,6 +41,7 @@ go_library(
         "//runtime/version:go_default_library",
         "//time/slots:go_default_library",
         "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
+        "@com_github_ethereum_go_ethereum//common/math:go_default_library",
         "@com_github_pkg_errors//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
     ],

beacon-chain/core/electra/consolidations.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"fmt"
 
+	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/pkg/errors"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
 	"github.com/prysmaticlabs/prysm/v5/beacon-chain/state"
@@ -156,6 +157,13 @@ func ProcessPendingConsolidations(ctx context.Context, st state.BeaconState) err
 //	    if target_validator.exit_epoch != FAR_FUTURE_EPOCH:
 //	        return
 //
+//	    # Verify the source has been active long enough
+//	    if current_epoch < source_validator.activation_epoch + SHARD_COMMITTEE_PERIOD:
+//	        return
+//
+//	    # Verify the source has no pending withdrawals in the queue
+//	    if get_pending_balance_to_withdraw(state, source_index) > 0:
+//	        return
 //	    # Initiate source validator exit and append pending consolidation
 //	    source_validator.exit_epoch = compute_consolidation_epoch_and_update_churn(
 //	        state, source_validator.effective_balance
@@ -258,6 +266,23 @@ func ProcessConsolidationRequests(ctx context.Context, st state.BeaconState, req
 			continue
 		}
 
+		e, overflow := math.SafeAdd(uint64(srcV.ActivationEpoch), uint64(params.BeaconConfig().ShardCommitteePeriod))
+		if overflow {
+			log.Error("Overflow when adding activation epoch and shard committee period")
+			continue
+		}
+		if uint64(curEpoch) < e {
+			continue
+		}
+		bal, err := st.PendingBalanceToWithdraw(srcIdx)
+		if err != nil {
+			log.WithError(err).Error("failed to fetch pending balance to withdraw")
+			continue
+		}
+		if bal > 0 {
+			continue
+		}
+
 		// Initiate the exit of the source validator.
 		exitEpoch, err := ComputeConsolidationEpochAndUpdateChurn(ctx, st, primitives.Gwei(srcV.EffectiveBalance))
 		if err != nil {

beacon-chain/core/electra/consolidations_test.go

@@ -213,6 +213,7 @@ func TestProcessConsolidationRequests(t *testing.T) {
 			name: "one valid request",
 			state: func() state.BeaconState {
 				st := &eth.BeaconStateElectra{
+					Slot:       params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
 					Validators: createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
 				}
 				// Validator scenario setup. See comments in reqs section.
@@ -222,6 +223,12 @@ func TestProcessConsolidationRequests(t *testing.T) {
 				st.Validators[12].ActivationEpoch = params.BeaconConfig().FarFutureEpoch
 				st.Validators[13].ExitEpoch = 10
 				st.Validators[16].ExitEpoch = 10
+				st.PendingPartialWithdrawals = []*eth.PendingPartialWithdrawal{
+					{
+						Index:  17,
+						Amount: 100,
+					},
+				}
 				s, err := state_native.InitializeFromProtoElectra(st)
 				require.NoError(t, err)
 				return s
@@ -287,6 +294,12 @@ func TestProcessConsolidationRequests(t *testing.T) {
 					SourcePubkey:  []byte("val_0"),
 					TargetPubkey:  []byte("val_0"),
 				},
+				// Has pening partial withdrawal
+				{
+					SourceAddress: append(bytesutil.PadTo(nil, 19), byte(0)),
+					SourcePubkey:  []byte("val_17"),
+					TargetPubkey:  []byte("val_1"),
+				},
 				// Valid consolidation request. This should be last to ensure invalid requests do
 				// not end the processing early.
 				{
@@ -347,6 +360,7 @@ func TestProcessConsolidationRequests(t *testing.T) {
 			name: "pending consolidations limit reached during processing",
 			state: func() state.BeaconState {
 				st := &eth.BeaconStateElectra{
+					Slot:                  params.BeaconConfig().SlotsPerEpoch.Mul(uint64(params.BeaconConfig().ShardCommitteePeriod)),
 					Validators:            createValidatorsWithTotalActiveBalance(32000000000000000), // 32M ETH
 					PendingConsolidations: make([]*eth.PendingConsolidation, params.BeaconConfig().PendingConsolidationsLimit-1),
 				}

beacon-chain/core/electra/upgrade.go

@@ -187,7 +187,7 @@ func UpgradeToElectra(beaconState state.BeaconState) (state.BeaconState, error)
 	}
 
 	// [New in Electra:EIP7251]
-	earliestExitEpoch := time.CurrentEpoch(beaconState)
+	earliestExitEpoch := helpers.ActivationExitEpoch(time.CurrentEpoch(beaconState))
 	preActivationIndices := make([]primitives.ValidatorIndex, 0)
 	compoundWithdrawalIndices := make([]primitives.ValidatorIndex, 0)
 	if err = beaconState.ReadFromEveryValidator(func(index int, val state.ReadOnlyValidator) error {

config/params/loader_test.go

@@ -24,6 +24,7 @@ import (
 // These are variables that we don't use in Prysm. (i.e. future hardfork, light client... etc)
 // IMPORTANT: Use one field per line and sort these alphabetically to reduce conflicts.
 var placeholderFields = []string{
+	"BLOB_SIDECAR_SUBNET_COUNT_EIP7594",
 	"BYTES_PER_LOGS_BLOOM", // Compile time constant on ExecutionPayload.logs_bloom.
 	"EIP6110_FORK_EPOCH",
 	"EIP6110_FORK_VERSION",
@@ -35,11 +36,13 @@ var placeholderFields = []string{
 	"FIELD_ELEMENTS_PER_BLOB",              // Compile time constant.
 	"KZG_COMMITMENT_INCLUSION_PROOF_DEPTH", // Compile time constant on BlobSidecar.commitment_inclusion_proof.
 	"MAX_BLOBS_PER_BLOCK",
+	"MAX_BLOBS_PER_BLOCK_EIP7594",
 	"MAX_BLOB_COMMITMENTS_PER_BLOCK", // Compile time constant on BeaconBlockBodyDeneb.blob_kzg_commitments.
 	"MAX_BYTES_PER_TRANSACTION",      // Used for ssz of EL transactions. Unused in Prysm.
 	"MAX_EXTRA_DATA_BYTES",           // Compile time constant on ExecutionPayload.extra_data.
-	"MAX_REQUEST_PAYLOADS",           // Compile time constant on BeaconBlockBody.ExecutionRequests
-	"MAX_TRANSACTIONS_PER_PAYLOAD",   // Compile time constant on ExecutionPayload.transactions.
+	"MAX_REQUEST_BLOB_SIDECARS_EIP7594",
+	"MAX_REQUEST_PAYLOADS",         // Compile time constant on BeaconBlockBody.ExecutionRequests
+	"MAX_TRANSACTIONS_PER_PAYLOAD", // Compile time constant on ExecutionPayload.transactions.
 	"REORG_HEAD_WEIGHT_THRESHOLD",
 	"TARGET_NUMBER_OF_PEERS",
 	"UPDATE_TIMEOUT",

proto/prysm/v1alpha1/BUILD.bazel

@@ -172,6 +172,7 @@ ssz_electra_objs = [
     "SignedBeaconBlockElectra",
     "SignedBlindedBeaconBlockElectra",
     "SignedConsolidation",
+    "SingleAttestation",
 ]
 
 ssz_fulu_objs = [

proto/prysm/v1alpha1/attestation.pb.go

@@ -158,6 +158,77 @@ func (x *AttestationElectra) GetCommitteeBits() github_com_prysmaticlabs_go_bitf
 	return github_com_prysmaticlabs_go_bitfield.Bitvector64(nil)
 }
 
+type SingleAttestation struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	CommitteeId   github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.CommitteeIndex `protobuf:"varint,1,opt,name=committee_id,json=committeeId,proto3" json:"committee_id,omitempty" cast-type:"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.CommitteeIndex"`
+	AttesterIndex github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.ValidatorIndex `protobuf:"varint,2,opt,name=attester_index,json=attesterIndex,proto3" json:"attester_index,omitempty" cast-type:"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.ValidatorIndex"`
+	Data          *AttestationData                                                            `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
+	Signature     []byte                                                                      `protobuf:"bytes,4,opt,name=signature,proto3" json:"signature,omitempty" ssz-size:"96"`
+}
+
+func (x *SingleAttestation) Reset() {
+	*x = SingleAttestation{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SingleAttestation) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SingleAttestation) ProtoMessage() {}
+
+func (x *SingleAttestation) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SingleAttestation.ProtoReflect.Descriptor instead.
+func (*SingleAttestation) Descriptor() ([]byte, []int) {
+	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *SingleAttestation) GetCommitteeId() github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.CommitteeIndex {
+	if x != nil {
+		return x.CommitteeId
+	}
+	return github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.CommitteeIndex(0)
+}
+
+func (x *SingleAttestation) GetAttesterIndex() github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.ValidatorIndex {
+	if x != nil {
+		return x.AttesterIndex
+	}
+	return github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.ValidatorIndex(0)
+}
+
+func (x *SingleAttestation) GetData() *AttestationData {
+	if x != nil {
+		return x.Data
+	}
+	return nil
+}
+
+func (x *SingleAttestation) GetSignature() []byte {
+	if x != nil {
+		return x.Signature
+	}
+	return nil
+}
+
 type AggregateAttestationAndProof struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -171,7 +242,7 @@ type AggregateAttestationAndProof struct {
 func (x *AggregateAttestationAndProof) Reset() {
 	*x = AggregateAttestationAndProof{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[2]
+		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -184,7 +255,7 @@ func (x *AggregateAttestationAndProof) String() string {
 func (*AggregateAttestationAndProof) ProtoMessage() {}
 
 func (x *AggregateAttestationAndProof) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[2]
+	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -197,7 +268,7 @@ func (x *AggregateAttestationAndProof) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AggregateAttestationAndProof.ProtoReflect.Descriptor instead.
 func (*AggregateAttestationAndProof) Descriptor() ([]byte, []int) {
-	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{2}
+	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *AggregateAttestationAndProof) GetAggregatorIndex() github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.ValidatorIndex {
@@ -234,7 +305,7 @@ type AggregateAttestationAndProofElectra struct {
 func (x *AggregateAttestationAndProofElectra) Reset() {
 	*x = AggregateAttestationAndProofElectra{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[3]
+		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -247,7 +318,7 @@ func (x *AggregateAttestationAndProofElectra) String() string {
 func (*AggregateAttestationAndProofElectra) ProtoMessage() {}
 
 func (x *AggregateAttestationAndProofElectra) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[3]
+	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -260,7 +331,7 @@ func (x *AggregateAttestationAndProofElectra) ProtoReflect() protoreflect.Messag
 
 // Deprecated: Use AggregateAttestationAndProofElectra.ProtoReflect.Descriptor instead.
 func (*AggregateAttestationAndProofElectra) Descriptor() ([]byte, []int) {
-	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{3}
+	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *AggregateAttestationAndProofElectra) GetAggregatorIndex() github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.ValidatorIndex {
@@ -296,7 +367,7 @@ type SignedAggregateAttestationAndProof struct {
 func (x *SignedAggregateAttestationAndProof) Reset() {
 	*x = SignedAggregateAttestationAndProof{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[4]
+		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -309,7 +380,7 @@ func (x *SignedAggregateAttestationAndProof) String() string {
 func (*SignedAggregateAttestationAndProof) ProtoMessage() {}
 
 func (x *SignedAggregateAttestationAndProof) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[4]
+	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -322,7 +393,7 @@ func (x *SignedAggregateAttestationAndProof) ProtoReflect() protoreflect.Message
 
 // Deprecated: Use SignedAggregateAttestationAndProof.ProtoReflect.Descriptor instead.
 func (*SignedAggregateAttestationAndProof) Descriptor() ([]byte, []int) {
-	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{4}
+	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *SignedAggregateAttestationAndProof) GetMessage() *AggregateAttestationAndProof {
@@ -351,7 +422,7 @@ type SignedAggregateAttestationAndProofElectra struct {
 func (x *SignedAggregateAttestationAndProofElectra) Reset() {
 	*x = SignedAggregateAttestationAndProofElectra{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[5]
+		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -364,7 +435,7 @@ func (x *SignedAggregateAttestationAndProofElectra) String() string {
 func (*SignedAggregateAttestationAndProofElectra) ProtoMessage() {}
 
 func (x *SignedAggregateAttestationAndProofElectra) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[5]
+	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -377,7 +448,7 @@ func (x *SignedAggregateAttestationAndProofElectra) ProtoReflect() protoreflect.
 
 // Deprecated: Use SignedAggregateAttestationAndProofElectra.ProtoReflect.Descriptor instead.
 func (*SignedAggregateAttestationAndProofElectra) Descriptor() ([]byte, []int) {
-	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{5}
+	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *SignedAggregateAttestationAndProofElectra) GetMessage() *AggregateAttestationAndProofElectra {
@@ -409,7 +480,7 @@ type AttestationData struct {
 func (x *AttestationData) Reset() {
 	*x = AttestationData{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[6]
+		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -422,7 +493,7 @@ func (x *AttestationData) String() string {
 func (*AttestationData) ProtoMessage() {}
 
 func (x *AttestationData) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[6]
+	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -435,7 +506,7 @@ func (x *AttestationData) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AttestationData.ProtoReflect.Descriptor instead.
 func (*AttestationData) Descriptor() ([]byte, []int) {
-	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{6}
+	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *AttestationData) GetSlot() github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.Slot {
@@ -485,7 +556,7 @@ type Checkpoint struct {
 func (x *Checkpoint) Reset() {
 	*x = Checkpoint{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[7]
+		mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -498,7 +569,7 @@ func (x *Checkpoint) String() string {
 func (*Checkpoint) ProtoMessage() {}
 
 func (x *Checkpoint) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[7]
+	mi := &file_proto_prysm_v1alpha1_attestation_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -511,7 +582,7 @@ func (x *Checkpoint) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Checkpoint.ProtoReflect.Descriptor instead.
 func (*Checkpoint) Descriptor() ([]byte, []int) {
-	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{7}
+	return file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *Checkpoint) GetEpoch() github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.Epoch {
@@ -570,106 +641,128 @@ var file_proto_prysm_v1alpha1_attestation_proto_rawDesc = []byte{
 	0x6d, 0x61, 0x74, 0x69, 0x63, 0x6c, 0x61, 0x62, 0x73, 0x2f, 0x67, 0x6f, 0x2d, 0x62, 0x69, 0x74,
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 }
 
 var (
@@ -684,31 +777,33 @@ func file_proto_prysm_v1alpha1_attestation_proto_rawDescGZIP() []byte {
 	return file_proto_prysm_v1alpha1_attestation_proto_rawDescData
 }
 
-var file_proto_prysm_v1alpha1_attestation_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_proto_prysm_v1alpha1_attestation_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_proto_prysm_v1alpha1_attestation_proto_goTypes = []interface{}{
 	(*Attestation)(nil),                               // 0: ethereum.eth.v1alpha1.Attestation
 	(*AttestationElectra)(nil),                        // 1: ethereum.eth.v1alpha1.AttestationElectra
-	(*AggregateAttestationAndProof)(nil),              // 2: ethereum.eth.v1alpha1.AggregateAttestationAndProof
-	(*AggregateAttestationAndProofElectra)(nil),       // 3: ethereum.eth.v1alpha1.AggregateAttestationAndProofElectra
-	(*SignedAggregateAttestationAndProof)(nil),        // 4: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProof
-	(*SignedAggregateAttestationAndProofElectra)(nil), // 5: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProofElectra
-	(*AttestationData)(nil),                           // 6: ethereum.eth.v1alpha1.AttestationData
-	(*Checkpoint)(nil),                                // 7: ethereum.eth.v1alpha1.Checkpoint
+	(*SingleAttestation)(nil),                         // 2: ethereum.eth.v1alpha1.SingleAttestation
+	(*AggregateAttestationAndProof)(nil),              // 3: ethereum.eth.v1alpha1.AggregateAttestationAndProof
+	(*AggregateAttestationAndProofElectra)(nil),       // 4: ethereum.eth.v1alpha1.AggregateAttestationAndProofElectra
+	(*SignedAggregateAttestationAndProof)(nil),        // 5: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProof
+	(*SignedAggregateAttestationAndProofElectra)(nil), // 6: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProofElectra
+	(*AttestationData)(nil),                           // 7: ethereum.eth.v1alpha1.AttestationData
+	(*Checkpoint)(nil),                                // 8: ethereum.eth.v1alpha1.Checkpoint
 }
 var file_proto_prysm_v1alpha1_attestation_proto_depIdxs = []int32{
-	6, // 0: ethereum.eth.v1alpha1.Attestation.data:type_name -> ethereum.eth.v1alpha1.AttestationData
-	6, // 1: ethereum.eth.v1alpha1.AttestationElectra.data:type_name -> ethereum.eth.v1alpha1.AttestationData
-	0, // 2: ethereum.eth.v1alpha1.AggregateAttestationAndProof.aggregate:type_name -> ethereum.eth.v1alpha1.Attestation
-	1, // 3: ethereum.eth.v1alpha1.AggregateAttestationAndProofElectra.aggregate:type_name -> ethereum.eth.v1alpha1.AttestationElectra
-	2, // 4: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProof.message:type_name -> ethereum.eth.v1alpha1.AggregateAttestationAndProof
-	3, // 5: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProofElectra.message:type_name -> ethereum.eth.v1alpha1.AggregateAttestationAndProofElectra
-	7, // 6: ethereum.eth.v1alpha1.AttestationData.source:type_name -> ethereum.eth.v1alpha1.Checkpoint
-	7, // 7: ethereum.eth.v1alpha1.AttestationData.target:type_name -> ethereum.eth.v1alpha1.Checkpoint
-	8, // [8:8] is the sub-list for method output_type
-	8, // [8:8] is the sub-list for method input_type
-	8, // [8:8] is the sub-list for extension type_name
-	8, // [8:8] is the sub-list for extension extendee
-	0, // [0:8] is the sub-list for field type_name
+	7, // 0: ethereum.eth.v1alpha1.Attestation.data:type_name -> ethereum.eth.v1alpha1.AttestationData
+	7, // 1: ethereum.eth.v1alpha1.AttestationElectra.data:type_name -> ethereum.eth.v1alpha1.AttestationData
+	7, // 2: ethereum.eth.v1alpha1.SingleAttestation.data:type_name -> ethereum.eth.v1alpha1.AttestationData
+	0, // 3: ethereum.eth.v1alpha1.AggregateAttestationAndProof.aggregate:type_name -> ethereum.eth.v1alpha1.Attestation
+	1, // 4: ethereum.eth.v1alpha1.AggregateAttestationAndProofElectra.aggregate:type_name -> ethereum.eth.v1alpha1.AttestationElectra
+	3, // 5: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProof.message:type_name -> ethereum.eth.v1alpha1.AggregateAttestationAndProof
+	4, // 6: ethereum.eth.v1alpha1.SignedAggregateAttestationAndProofElectra.message:type_name -> ethereum.eth.v1alpha1.AggregateAttestationAndProofElectra
+	8, // 7: ethereum.eth.v1alpha1.AttestationData.source:type_name -> ethereum.eth.v1alpha1.Checkpoint
+	8, // 8: ethereum.eth.v1alpha1.AttestationData.target:type_name -> ethereum.eth.v1alpha1.Checkpoint
+	9, // [9:9] is the sub-list for method output_type
+	9, // [9:9] is the sub-list for method input_type
+	9, // [9:9] is the sub-list for extension type_name
+	9, // [9:9] is the sub-list for extension extendee
+	0, // [0:9] is the sub-list for field type_name
 }
 
 func init() { file_proto_prysm_v1alpha1_attestation_proto_init() }
@@ -742,7 +837,7 @@ func file_proto_prysm_v1alpha1_attestation_proto_init() {
 			}
 		}
 		file_proto_prysm_v1alpha1_attestation_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AggregateAttestationAndProof); i {
+			switch v := v.(*SingleAttestation); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -754,7 +849,7 @@ func file_proto_prysm_v1alpha1_attestation_proto_init() {
 			}
 		}
 		file_proto_prysm_v1alpha1_attestation_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AggregateAttestationAndProofElectra); i {
+			switch v := v.(*AggregateAttestationAndProof); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -766,7 +861,7 @@ func file_proto_prysm_v1alpha1_attestation_proto_init() {
 			}
 		}
 		file_proto_prysm_v1alpha1_attestation_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SignedAggregateAttestationAndProof); i {
+			switch v := v.(*AggregateAttestationAndProofElectra); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -778,7 +873,7 @@ func file_proto_prysm_v1alpha1_attestation_proto_init() {
 			}
 		}
 		file_proto_prysm_v1alpha1_attestation_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SignedAggregateAttestationAndProofElectra); i {
+			switch v := v.(*SignedAggregateAttestationAndProof); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -790,7 +885,7 @@ func file_proto_prysm_v1alpha1_attestation_proto_init() {
 			}
 		}
 		file_proto_prysm_v1alpha1_attestation_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AttestationData); i {
+			switch v := v.(*SignedAggregateAttestationAndProofElectra); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -802,6 +897,18 @@ func file_proto_prysm_v1alpha1_attestation_proto_init() {
 			}
 		}
 		file_proto_prysm_v1alpha1_attestation_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AttestationData); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_prysm_v1alpha1_attestation_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Checkpoint); i {
 			case 0:
 				return &v.state
@@ -820,7 +927,7 @@ func file_proto_prysm_v1alpha1_attestation_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proto_prysm_v1alpha1_attestation_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   8,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

proto/prysm/v1alpha1/attestation.proto

@@ -49,6 +49,13 @@ message AttestationElectra {
     bytes committee_bits = 4 [(ethereum.eth.ext.ssz_size) = "committee_bits.size", (ethereum.eth.ext.cast_type) = "committee_bits.type"];
 }
 
+message SingleAttestation {
+    uint64 committee_id = 1  [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.CommitteeIndex"];
+    uint64 attester_index = 2  [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.ValidatorIndex"];
+    AttestationData data = 3;
+    bytes signature = 4 [(ethereum.eth.ext.ssz_size) = "96"];
+}
+
 message AggregateAttestationAndProof {
     // The aggregator index that submitted this aggregated attestation and proof.
     uint64 aggregator_index = 1  [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v5/consensus-types/primitives.ValidatorIndex"];

proto/prysm/v1alpha1/attestation/attestation_utils.go

@@ -113,6 +113,9 @@ func AttestingIndices(att ethpb.Att, committees ...[]primitives.ValidatorIndex)
 				committeeAttesters = append(committeeAttesters, uint64(vi))
 			}
 		}
+		if len(committeeAttesters) == 0 {
+			return nil, fmt.Errorf("no attesting indices found in committee %v", c)
+		}
 		attesters = append(attesters, committeeAttesters...)
 		committeeOffset += len(c)
 	}

proto/prysm/v1alpha1/electra.ssz.go

@@ -1,5 +1,5 @@
 // Code generated by fastssz. DO NOT EDIT.
-// Hash: bce36d386a65c91018c9a1edaacd2ed0f09cc4dce59fdc5f014fbd9e05bfee77
+// Hash: 2e826c1b9ac62c64b47fcf15d0fe029e986c1afccd33e10a84f041ffd0c7f161
 package eth
 
 import (
@@ -157,6 +157,107 @@ func (a *AttestationElectra) HashTreeRootWith(hh *ssz.Hasher) (err error) {
 	return
 }
 
+// MarshalSSZ ssz marshals the SingleAttestation object
+func (s *SingleAttestation) MarshalSSZ() ([]byte, error) {
+	return ssz.MarshalSSZ(s)
+}
+
+// MarshalSSZTo ssz marshals the SingleAttestation object to a target array
+func (s *SingleAttestation) MarshalSSZTo(buf []byte) (dst []byte, err error) {
+	dst = buf
+
+	// Field (0) 'CommitteeId'
+	dst = ssz.MarshalUint64(dst, uint64(s.CommitteeId))
+
+	// Field (1) 'AttesterIndex'
+	dst = ssz.MarshalUint64(dst, uint64(s.AttesterIndex))
+
+	// Field (2) 'Data'
+	if s.Data == nil {
+		s.Data = new(AttestationData)
+	}
+	if dst, err = s.Data.MarshalSSZTo(dst); err != nil {
+		return
+	}
+
+	// Field (3) 'Signature'
+	if size := len(s.Signature); size != 96 {
+		err = ssz.ErrBytesLengthFn("--.Signature", size, 96)
+		return
+	}
+	dst = append(dst, s.Signature...)
+
+	return
+}
+
+// UnmarshalSSZ ssz unmarshals the SingleAttestation object
+func (s *SingleAttestation) UnmarshalSSZ(buf []byte) error {
+	var err error
+	size := uint64(len(buf))
+	if size != 240 {
+		return ssz.ErrSize
+	}
+
+	// Field (0) 'CommitteeId'
+	s.CommitteeId = github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.CommitteeIndex(ssz.UnmarshallUint64(buf[0:8]))
+
+	// Field (1) 'AttesterIndex'
+	s.AttesterIndex = github_com_prysmaticlabs_prysm_v5_consensus_types_primitives.ValidatorIndex(ssz.UnmarshallUint64(buf[8:16]))
+
+	// Field (2) 'Data'
+	if s.Data == nil {
+		s.Data = new(AttestationData)
+	}
+	if err = s.Data.UnmarshalSSZ(buf[16:144]); err != nil {
+		return err
+	}
+
+	// Field (3) 'Signature'
+	if cap(s.Signature) == 0 {
+		s.Signature = make([]byte, 0, len(buf[144:240]))
+	}
+	s.Signature = append(s.Signature, buf[144:240]...)
+
+	return err
+}
+
+// SizeSSZ returns the ssz encoded size in bytes for the SingleAttestation object
+func (s *SingleAttestation) SizeSSZ() (size int) {
+	size = 240
+	return
+}
+
+// HashTreeRoot ssz hashes the SingleAttestation object
+func (s *SingleAttestation) HashTreeRoot() ([32]byte, error) {
+	return ssz.HashWithDefaultHasher(s)
+}
+
+// HashTreeRootWith ssz hashes the SingleAttestation object with a hasher
+func (s *SingleAttestation) HashTreeRootWith(hh *ssz.Hasher) (err error) {
+	indx := hh.Index()
+
+	// Field (0) 'CommitteeId'
+	hh.PutUint64(uint64(s.CommitteeId))
+
+	// Field (1) 'AttesterIndex'
+	hh.PutUint64(uint64(s.AttesterIndex))
+
+	// Field (2) 'Data'
+	if err = s.Data.HashTreeRootWith(hh); err != nil {
+		return
+	}
+
+	// Field (3) 'Signature'
+	if size := len(s.Signature); size != 96 {
+		err = ssz.ErrBytesLengthFn("--.Signature", size, 96)
+		return
+	}
+	hh.PutBytes(s.Signature)
+
+	hh.Merkleize(indx)
+	return
+}
+
 // MarshalSSZ ssz marshals the AggregateAttestationAndProofElectra object
 func (a *AggregateAttestationAndProofElectra) MarshalSSZ() ([]byte, error) {
 	return ssz.MarshalSSZ(a)