Add data column sidecars proto.

CHANGELOG.md

@@ -26,6 +26,7 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Validator REST mode Electra block support.
 - Added validator index label to `validator_statuses` metric.
 - Added Validator REST mode use of Attestation V2 endpoints and Electra attestations.
+- PeerDAS: Added data column sidecars proto.
 
 ### Changed
 

beacon-chain/rpc/eth/config/handlers_test.go

@@ -79,6 +79,7 @@ func TestGetSpec(t *testing.T) {
 	config.DenebForkEpoch = 105
 	config.ElectraForkVersion = []byte("ElectraForkVersion")
 	config.ElectraForkEpoch = 107
+	config.Eip7594ForkEpoch = 109
 	config.BLSWithdrawalPrefixByte = byte('b')
 	config.ETH1AddressWithdrawalPrefixByte = byte('c')
 	config.GenesisDelay = 24
@@ -189,7 +190,7 @@ func TestGetSpec(t *testing.T) {
 	data, ok := resp.Data.(map[string]interface{})
 	require.Equal(t, true, ok)
 
-	assert.Equal(t, 155, len(data))
+	assert.Equal(t, 156, len(data))
 	for k, v := range data {
 		t.Run(k, func(t *testing.T) {
 			switch k {
@@ -267,6 +268,8 @@ func TestGetSpec(t *testing.T) {
 				assert.Equal(t, "0x"+hex.EncodeToString([]byte("ElectraForkVersion")), v)
 			case "ELECTRA_FORK_EPOCH":
 				assert.Equal(t, "107", v)
+			case "EIP7594_FORK_EPOCH":
+				assert.Equal(t, "109", v)
 			case "MIN_ANCHOR_POW_BLOCK_DIFFICULTY":
 				assert.Equal(t, "1000", v)
 			case "BLS_WITHDRAWAL_PREFIX":

config/params/config.go

@@ -166,6 +166,7 @@ type BeaconChainConfig struct {
 	DenebForkEpoch       primitives.Epoch `yaml:"DENEB_FORK_EPOCH" spec:"true"`       // DenebForkEpoch is used to represent the assigned fork epoch for deneb.
 	ElectraForkVersion   []byte           `yaml:"ELECTRA_FORK_VERSION" spec:"true"`   // ElectraForkVersion is used to represent the fork version for electra.
 	ElectraForkEpoch     primitives.Epoch `yaml:"ELECTRA_FORK_EPOCH" spec:"true"`     // ElectraForkEpoch is used to represent the assigned fork epoch for electra.
+	Eip7594ForkEpoch     primitives.Epoch `yaml:"EIP7594_FORK_EPOCH" spec:"true"`     // EIP7594ForkEpoch is used to represent the assigned fork epoch for peer das.
 
 	ForkVersionSchedule map[[fieldparams.VersionLength]byte]primitives.Epoch // Schedule of fork epochs by version.
 	ForkVersionNames    map[[fieldparams.VersionLength]byte]string           // Human-readable names of fork versions.
@@ -255,6 +256,13 @@ type BeaconChainConfig struct {
 	MaxDepositRequestsPerPayload          uint64 `yaml:"MAX_DEPOSIT_REQUESTS_PER_PAYLOAD" spec:"true"`           // MaxDepositRequestsPerPayload is the maximum number of execution layer deposits in each payload
 	UnsetDepositRequestsStartIndex        uint64 `yaml:"UNSET_DEPOSIT_REQUESTS_START_INDEX" spec:"true"`         // UnsetDepositRequestsStartIndex is used to check the start index for eip6110
 
+	// PeerDAS Values
+	SamplesPerSlot                        uint64           `yaml:"SAMPLES_PER_SLOT"`                             // SamplesPerSlot refers to the number of random samples a node queries per slot.
+	CustodyRequirement                    uint64           `yaml:"CUSTODY_REQUIREMENT"`                          // CustodyRequirement refers to the minimum amount of subnets a peer must custody and serve samples from.
+	MinEpochsForDataColumnSidecarsRequest primitives.Epoch `yaml:"MIN_EPOCHS_FOR_DATA_COLUMN_SIDECARS_REQUESTS"` // MinEpochsForDataColumnSidecarsRequest is the minimum number of epochs the node will keep the data columns for.
+	MaxCellsInExtendedMatrix              uint64           `yaml:"MAX_CELLS_IN_EXTENDED_MATRIX" spec:"true"`     // MaxCellsInExtendedMatrix is the full data of one-dimensional erasure coding extended blobs (in row major format).
+	NumberOfColumns                       uint64           `yaml:"NUMBER_OF_COLUMNS" spec:"true"`                // NumberOfColumns in the extended data matrix.
+
 	// Networking Specific Parameters
 	GossipMaxSize                   uint64          `yaml:"GOSSIP_MAX_SIZE" spec:"true"`                    // GossipMaxSize is the maximum allowed size of uncompressed gossip messages.
 	MaxChunkSize                    uint64          `yaml:"MAX_CHUNK_SIZE" spec:"true"`                     // MaxChunkSize is the maximum allowed size of uncompressed req/resp chunked responses.
@@ -272,10 +280,6 @@ type BeaconChainConfig struct {
 	AttestationSubnetPrefixBits     uint64          `yaml:"ATTESTATION_SUBNET_PREFIX_BITS" spec:"true"`     // AttestationSubnetPrefixBits is defined as (ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS).
 	SubnetsPerNode                  uint64          `yaml:"SUBNETS_PER_NODE" spec:"true"`                   // SubnetsPerNode is the number of long-lived subnets a beacon node should be subscribed to.
 	NodeIdBits                      uint64          `yaml:"NODE_ID_BITS" spec:"true"`                       // NodeIdBits defines the bit length of a node id.
-
-	// PeerDAS
-	NumberOfColumns          uint64 `yaml:"NUMBER_OF_COLUMNS" spec:"true"`            // NumberOfColumns in the extended data matrix.
-	MaxCellsInExtendedMatrix uint64 `yaml:"MAX_CELLS_IN_EXTENDED_MATRIX" spec:"true"` // MaxCellsInExtendedMatrix is the full data of one-dimensional erasure coding extended blobs (in row major format).
 }
 
 // InitializeForkSchedule initializes the schedules forks baked into the config.
@@ -360,6 +364,12 @@ func DenebEnabled() bool {
 	return BeaconConfig().DenebForkEpoch < math.MaxUint64
 }
 
+// PeerDASEnabled centralizes the check to determine if code paths
+// that are specific to peerdas should be allowed to execute.
+func PeerDASEnabled() bool {
+	return BeaconConfig().Eip7594ForkEpoch < math.MaxUint64
+}
+
 // WithinDAPeriod checks if the block epoch is within MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS of the given current epoch.
 func WithinDAPeriod(block, current primitives.Epoch) bool {
 	return block+BeaconConfig().MinEpochsForBlobsSidecarsRequest >= current

config/params/loader_test.go

@@ -25,12 +25,10 @@ import (
 // IMPORTANT: Use one field per line and sort these alphabetically to reduce conflicts.
 var placeholderFields = []string{
 	"BYTES_PER_LOGS_BLOOM", // Compile time constant on ExecutionPayload.logs_bloom.
-	"CUSTODY_REQUIREMENT",
 	"EIP6110_FORK_EPOCH",
 	"EIP6110_FORK_VERSION",
 	"EIP7002_FORK_EPOCH",
 	"EIP7002_FORK_VERSION",
-	"EIP7594_FORK_EPOCH",
 	"EIP7594_FORK_VERSION",
 	"EIP7732_FORK_EPOCH",
 	"EIP7732_FORK_VERSION",
@@ -43,7 +41,6 @@ var placeholderFields = []string{
 	"MAX_REQUEST_PAYLOADS",           // Compile time constant on BeaconBlockBody.ExecutionRequests
 	"MAX_TRANSACTIONS_PER_PAYLOAD",   // Compile time constant on ExecutionPayload.transactions.
 	"REORG_HEAD_WEIGHT_THRESHOLD",
-	"SAMPLES_PER_SLOT",
 	"TARGET_NUMBER_OF_PEERS",
 	"UPDATE_TIMEOUT",
 	"WHISK_EPOCHS_PER_SHUFFLING_PHASE",

config/params/mainnet_config.go

@@ -216,6 +216,7 @@ var mainnetBeaconConfig = &BeaconChainConfig{
 	DenebForkEpoch:       mainnetDenebForkEpoch,
 	ElectraForkVersion:   []byte{5, 0, 0, 0},
 	ElectraForkEpoch:     mainnetElectraForkEpoch,
+	Eip7594ForkEpoch:     math.MaxUint64,
 
 	// New values introduced in Altair hard fork 1.
 	// Participation flag indices.
@@ -295,8 +296,11 @@ var mainnetBeaconConfig = &BeaconChainConfig{
 	UnsetDepositRequestsStartIndex:        math.MaxUint64,
 
 	// PeerDAS
-	NumberOfColumns:          128,
-	MaxCellsInExtendedMatrix: 768,
+	NumberOfColumns:                       128,
+	MaxCellsInExtendedMatrix:              768,
+	SamplesPerSlot:                        8,
+	CustodyRequirement:                    4,
+	MinEpochsForDataColumnSidecarsRequest: 4096,
 
 	// Values related to networking parameters.
 	GossipMaxSize:                   10 * 1 << 20, // 10 MiB

proto/prysm/v1alpha1/BUILD.bazel

@@ -174,6 +174,11 @@ ssz_electra_objs = [
     "SignedConsolidation",
 ]
 
+ssz_fulu_objs = [
+    "DataColumnIdentifier",
+    "DataColumnSidecar",
+]
+
 ssz_gen_marshal(
     name = "ssz_generated_phase0",
     out = "phase0.ssz.go",
@@ -251,6 +256,19 @@ ssz_gen_marshal(
     objs = ssz_electra_objs,
 )
 
+ssz_gen_marshal(
+    name = "ssz_generated_fulu",
+    out = "fulu.ssz.go",
+    exclude_objs = ssz_phase0_objs + ssz_altair_objs + ssz_bellatrix_objs + ssz_capella_objs + ssz_deneb_objs + ssz_electra_objs,
+    go_proto = ":go_proto",
+    includes = [
+        "//consensus-types/primitives:go_default_library",
+        "//math:go_default_library",
+        "//proto/engine/v1:go_default_library",
+    ],
+    objs = ssz_fulu_objs,
+)
+
 ssz_gen_marshal(
     name = "ssz_generated_non_core",
     out = "non-core.ssz.go",
@@ -263,8 +281,10 @@ ssz_gen_marshal(
     objs = [
         "BeaconBlocksByRangeRequest",
         "BlobSidecarsByRangeRequest",
+        "DataColumnSidecarsByRangeRequest",
         "MetaDataV0",
         "MetaDataV1",
+        "MetaDataV2",
         "SignedValidatorRegistrationV1",
         "ValidatorRegistrationV1",
         "BuilderBid",
@@ -313,6 +333,7 @@ go_library(
         ":ssz_generated_capella",  # keep
         ":ssz_generated_deneb",  # keep
         ":ssz_generated_electra",  # keep
+        ":ssz_generated_fulu",  # keep
         ":ssz_generated_non_core",  # keep
         ":ssz_generated_phase0",  # keep
     ],
@@ -354,6 +375,7 @@ ssz_proto_files(
         "beacon_state.proto",
         "blobs.proto",
         "light_client.proto",
+        "data_columns.proto",
         "sync_committee.proto",
         "withdrawals.proto",
     ],
@@ -380,4 +402,4 @@ go_test(
         "//testing/require:go_default_library",
         "@com_github_google_gofuzz//:go_default_library",
     ],
-)
+)