schedule Fulu on Sepolia, Holesky, and Hoodi (#7529)

Author: tersec

beacon_chain/networking/network_metadata.nim

@@ -5,7 +5,7 @@
 #   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
-{.push raises: [].}
+{.push raises: [], gcsafe.}
 
 import
   std/os,
@@ -327,11 +327,16 @@ elif const_preset == "mainnet":
     for network in [
         mainnetMetadata, sepoliaMetadata, holeskyMetadata, hoodiMetadata]:
       checkForkConsistency(network.cfg)
-      doAssert network.cfg.ELECTRA_FORK_EPOCH < FAR_FUTURE_EPOCH
-      doAssert network.cfg.FULU_FORK_EPOCH == FAR_FUTURE_EPOCH
       doAssert network.cfg.GLOAS_FORK_EPOCH == FAR_FUTURE_EPOCH
       doAssert ConsensusFork.high == ConsensusFork.Gloas
 
+    doAssert mainnetMetadata.cfg.FULU_FORK_EPOCH == FAR_FUTURE_EPOCH
+    doAssert mainnetMetadata.cfg.BLOB_SCHEDULE.len == 0
+
+    for network in [sepoliaMetadata, holeskyMetadata, hoodiMetadata]:
+      doAssert network.cfg.FULU_FORK_EPOCH < FAR_FUTURE_EPOCH
+      doAssert network.cfg.BLOB_SCHEDULE.len == 2
+
 proc getMetadataForNetwork*(networkName: string): Eth2NetworkMetadata =
   template loadRuntimeMetadata(): auto =
     if fileExists(networkName / "config.yaml"):

beacon_chain/spec/peerdas_helpers.nim

@@ -22,7 +22,7 @@ import
 
 from std/algorithm import sort
 from std/sequtils import toSeq
-from stew/staticfor import staticfor
+from stew/staticfor import staticFor
 
 type
   CellBytes = array[fulu.CELLS_PER_EXT_BLOB, Cell]

beacon_chain/spec/presets.nim

@@ -8,15 +8,15 @@
 {.push raises: [], gcsafe.}
 
 import
-  std/[strutils, parseutils, tables, typetraits],
+  std/[parseutils, tables, typetraits],
   chronos/timer,
   stew/[byteutils], stint, eth/common/addresses as eth,
   ./datatypes/constants
 
 from std/algorithm import sort
+from std/strutils import split, splitLines, startsWith, strip, `%`
 
 export constants
-
 export stint, eth
 
 const
@@ -40,6 +40,17 @@ const
   MAX_SUPPORTED_BLOBS_PER_BLOCK*: uint64 = 9  # revisit getShortMap(Blobs) if >9
   MAX_SUPPORTED_REQUEST_BLOB_SIDECARS*: uint64 = 1152
 
+  # https://github.com/ethereum/consensus-specs/blob/v1.6.0-beta.0/specs/phase0/validator.md#time-parameters
+  ATTESTATION_DUE_BPS: uint64 = 3333
+  AGGREGATE_DUE_BPS: uint64 = 6667
+
+  # https://github.com/ethereum/consensus-specs/blob/v1.6.0-beta.0/specs/altair/validator.md#time-parameters
+  SYNC_MESSAGE_DUE_BPS: uint64 = 3333
+  CONTRIBUTION_DUE_BPS: uint64 = 6667
+
+  # https://github.com/ethereum/consensus-specs/blob/v1.6.0-beta.0/specs/phase0/fork-choice.md#time-parameters
+  PROPOSER_REORG_CUTOFF_BPS: uint64 = 1667
+
 type
   TimeConfig* = object
     SECONDS_PER_SLOT*: uint64
@@ -164,11 +175,13 @@ type
 const
   const_preset* {.strdefine.} = "mainnet"
 
-  # No-longer used values from legacy config files
+  # No-longer used values from legacy config files, or quirks of BPO parsing
   ignoredValues = [
     "TRANSITION_TOTAL_DIFFICULTY", # Name that appears in some altair alphas, obsolete, remove when no more testnets
     "MIN_ANCHOR_POW_BLOCK_DIFFICULTY", # Name that appears in some altair alphas, obsolete, remove when no more testnets
     "RANDOM_SUBNETS_PER_VALIDATOR",    # Removed in consensus-specs v1.4.0
+    "    MAX_BLOBS_PER_BLOCK",         # parsed separately
+    "  - EPOCH",                       # parsed separately
   ]
 
 when const_preset == "mainnet":
@@ -719,6 +732,7 @@ else:
 const
   MIN_SECONDS_PER_SLOT* = 1'u64
   MAX_SECONDS_PER_SLOT* = int64.high.uint64 div 1_000_000_000'u64
+  SLOT_DURATION_MS = SECONDS_PER_SLOT * 1000
 
 const SLOTS_PER_SYNC_COMMITTEE_PERIOD* =
   SLOTS_PER_EPOCH * EPOCHS_PER_SYNC_COMMITTEE_PERIOD
@@ -809,6 +823,7 @@ proc readRuntimeConfig*(
     if lineParts[0] in ignoredValues: continue
 
     values[lineParts[0]] = lineParts[1].strip
+
   # Accumulate BLOB_SCHEDULE entries
   var
     blobScheduleEntries: seq[BlobParameters]
@@ -992,6 +1007,13 @@ proc readRuntimeConfig*(
   checkCompatibility REORG_PARENT_WEIGHT_THRESHOLD
   checkCompatibility REORG_MAX_EPOCHS_SINCE_FINALIZATION
 
+  checkCompatibility SLOT_DURATION_MS
+  checkCompatibility ATTESTATION_DUE_BPS
+  checkCompatibility AGGREGATE_DUE_BPS
+  checkCompatibility SYNC_MESSAGE_DUE_BPS
+  checkCompatibility CONTRIBUTION_DUE_BPS
+  checkCompatibility PROPOSER_REORG_CUTOFF_BPS
+
   template assignValue(name: static string, field: untyped): untyped =
     if values.hasKey(name):
       when field is seq[BlobParameters]: