feat: schedule fusaka

README.md

@@ -25,8 +25,12 @@ The `--sepolia` cross-client proof-of-authority testnet configuration. Sepolia r
   - Berlin: `0` (block number)
   - MuirGlacier: `0` (block number)
   - London: `0` (block number)
-  - Shanghai: `1677557088` (unix time)
-  - Cancun: `1706655072` (unix time)
+  - Shanghai: `1677557088` (unix time) - Tuesday, 28 February 2023 04:04:48
+  - Cancun: `1706655072` (unix time) - Tuesday, 30 January 2024 22:51:12
+  - Prague: `1741159776` (unix time) - Wednesday, 5 March 2025 07:29:36
+  - Osaka: `1760427360` (unix time) - Tuesday, 14 October 2025 07:36:00
+  - BPO 1: `1761017184` (unix time) - Tuesday, 21 October 2025 03:26:24
+  - BPO 2: `1761607008` (unix time) - Monday, 27 October 2025 23:16:48
 - Bootnodes:
   - `enode://9246d00bc8fd1742e5ad2428b80fc4dc45d786283e05ef6edbd9002cbc335d40998444732fbe921cb88e1d2c73d1b1de53bae6a2237996e9bfe14f871baf7066@18.168.182.86:30303`
   - `enode://ec66ddcf1a974950bd4c782789a7e04f8aa7110a72569b6e65fcd51e937e74eed303b1ea734e4d19cfaec9fbff9b6ee65bf31dcb50ba79acce9dd63a6aca61c7@52.14.151.177:30303`
@@ -69,6 +73,9 @@ Bepolia Testnet is the beacon-chain to be merged with the Sepolia testnet.
 - Altair fork epoch: `50`
 - Bellatrix fork epoch: `100`
 - Capella fork epoch: `56832`
+- Deneb fork epoch: `132608`
+- Electra fork epoch: `222464`
+- Fulu fork epoch: `272640`
 - Fork Digest: `0xa8fee8ee` (`0xd3010778` pre-genesis fork digest)
 - Initial State Root: `0xfb9afe32150fa39f4b346be2519a67e2a4f5efcd50a1dc192c3f6b3d013d2798`
 - Genesis Block Root:

metadata/besu.json

@@ -16,6 +16,9 @@
     "shanghaiTime": 1677557088,
     "cancunTime": 1706655072,
     "pragueTime": 1741159776,
+    "osakaTime": 1760427360,
+    "bpo1Time": 1761017184,
+    "bpo2Time": 1761607008,
     "blobSchedule": {
       "cancun": {
         "target": 3,
@@ -26,6 +29,21 @@
         "target": 6,
         "max": 9,
         "baseFeeUpdateFraction": 5007716
+      },
+      "osaka": {
+        "target": 6,
+        "max": 9,
+        "baseFeeUpdateFraction": 5007716
+      },
+      "bpo1": {
+        "target": 10,
+        "max": 15,
+        "baseFeeUpdateFraction": 8346193
+      },
+      "bpo2": {
+        "target": 14,
+        "max": 21,
+        "baseFeeUpdateFraction": 11684671
       }
     },
     "ethash":{},

metadata/chainspec.json

@@ -78,6 +78,18 @@
         "target": 6,
         "max": 9,
         "baseFeeUpdateFraction": "0x4c6964"
+      },
+      {
+        "timestamp": "0x68f6fd60",
+        "target": 10,
+        "max": 15,
+        "baseFeeUpdateFraction": "0x7f5a51"
+      },
+      {
+        "timestamp": "0x68fffd60",
+        "target": 14,
+        "max": 21,
+        "baseFeeUpdateFraction": "0xb24b3f"
       }
     ],
     "depositContractAddress": "0x7f02C3E3c98b133055B8B348B2Ac625669Ed295D",
@@ -87,7 +99,15 @@
     "eip7002TransitionTimestamp": "0x67c7fd60",
     "eip7251TransitionTimestamp": "0x67c7fd60",
     "eip7623TransitionTimestamp": "0x67c7fd60",
-    "eip7702TransitionTimestamp": "0x67c7fd60"
+    "eip7702TransitionTimestamp": "0x67c7fd60",
+    "eip7594TransitionTimestamp": "0x68edfd60",
+    "eip7823TransitionTimestamp": "0x68edfd60",
+    "eip7825TransitionTimestamp": "0x68edfd60",
+    "eip7883TransitionTimestamp": "0x68edfd60",
+    "eip7918TransitionTimestamp": "0x68edfd60",
+    "eip7934TransitionTimestamp": "0x68edfd60",
+    "eip7939TransitionTimestamp": "0x68edfd60",
+    "eip7951TransitionTimestamp": "0x68edfd60"
   },
   "genesis": {
     "seal": {

metadata/config.yaml

@@ -40,18 +40,36 @@ DENEB_FORK_EPOCH: 132608
 ELECTRA_FORK_VERSION: 0x90000074
 ELECTRA_FORK_EPOCH: 222464
 
+# Fulu
+FULU_FORK_VERSION: 0x90000075
+FULU_FORK_EPOCH: 272640
+
 # Time parameters
 # ---------------------------------------------------------------
-# 12 seconds
+# 12 seconds (*deprecated*)
 SECONDS_PER_SLOT: 12
+# 12000 milliseconds
+SLOT_DURATION_MS: 12000
 # 14 (estimate from Eth1 mainnet)
 SECONDS_PER_ETH1_BLOCK: 14
-# 2**8 (= 256) epochs ~27 hours
+# 2**8 (= 256) epochs
 MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
-# 2**8 (= 256) epochs ~27 hours
+# 2**8 (= 256) epochs
 SHARD_COMMITTEE_PERIOD: 256
-# 2**11 (= 2,048) Eth1 blocks ~8 hours
+# 2**11 (= 2,048) Eth1 blocks
 ETH1_FOLLOW_DISTANCE: 2048
+# 1667 basis points, ~17% of SLOT_DURATION_MS
+PROPOSER_REORG_CUTOFF_BPS: 1667
+# 3333 basis points, ~33% of SLOT_DURATION_MS
+ATTESTATION_DUE_BPS: 3333
+# 6667 basis points, ~67% of SLOT_DURATION_MS
+AGGREGATE_DUE_BPS: 6667
+
+# Altair
+# 3333 basis points, ~33% of SLOT_DURATION_MS
+SYNC_MESSAGE_DUE_BPS: 3333
+# 6667 basis points, ~67% of SLOT_DURATION_MS
+CONTRIBUTION_DUE_BPS: 6667
 
 
 # Validator cycle
@@ -62,13 +80,21 @@ INACTIVITY_SCORE_BIAS: 4
 INACTIVITY_SCORE_RECOVERY_RATE: 16
 # 2**4 * 10**9 (= 16,000,000,000) Gwei
 EJECTION_BALANCE: 16000000000
-# 2**2 (= 4)
+# 2**2 (= 4) validators
 MIN_PER_EPOCH_CHURN_LIMIT: 4
 # 2**16 (= 65,536)
 CHURN_LIMIT_QUOTIENT: 65536
-# [New in Deneb:EIP7514] 2**3 (= 8)
+
+# Deneb
+# 2**3 (= 8) (*deprecated*)
 MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT: 8
 
+# Electra
+# 2**7 * 10**9 (= 128,000,000,000) Gwei
+MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA: 128000000000
+# 2**8 * 10**9 (= 256,000,000,000) Gwei
+MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT: 256000000000
+
 # Fork choice
 # ---------------------------------------------------------------
 # 40%
@@ -77,7 +103,7 @@ PROPOSER_SCORE_BOOST: 40
 REORG_HEAD_WEIGHT_THRESHOLD: 20
 # 160%
 REORG_PARENT_WEIGHT_THRESHOLD: 160
-# `2` epochs
+# 2 epochs
 REORG_MAX_EPOCHS_SINCE_FINALIZATION: 2
 
 # Deposit contract
@@ -88,51 +114,73 @@ DEPOSIT_CONTRACT_ADDRESS: 0x7f02C3E3c98b133055B8B348B2Ac625669Ed295D
 
 # Networking
 # ---------------------------------------------------------------
-# `10 * 2**20` (= 10485760, 10 MiB)
+# 10 * 2**20 (= 10,485,760) bytes, 10 MiB
 MAX_PAYLOAD_SIZE: 10485760
-# `2**10` (= 1024)
+# 2**10 (= 1,024) blocks
 MAX_REQUEST_BLOCKS: 1024
-# `2**8` (= 256)
+# 2**8 (= 256) epochs
 EPOCHS_PER_SUBNET_SUBSCRIPTION: 256
-# `MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2` (= 33024, ~5 months)
+# MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2 (= 33,024) epochs
 MIN_EPOCHS_FOR_BLOCK_REQUESTS: 33024
-# 5s
-TTFB_TIMEOUT: 5
-# 10s
-RESP_TIMEOUT: 10
+# 2**5 (= 32) slots
 ATTESTATION_PROPAGATION_SLOT_RANGE: 32
 # 500ms
 MAXIMUM_GOSSIP_CLOCK_DISPARITY: 500
 MESSAGE_DOMAIN_INVALID_SNAPPY: 0x00000000
 MESSAGE_DOMAIN_VALID_SNAPPY: 0x01000000
 # 2 subnets per node
 SUBNETS_PER_NODE: 2
-# 2**8 (= 64)
+# 2**6 (= 64) subnets
 ATTESTATION_SUBNET_COUNT: 64
+# 0 bits
 ATTESTATION_SUBNET_EXTRA_BITS: 0
-# ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS
+# ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS (= 6 + 0) bits
 ATTESTATION_SUBNET_PREFIX_BITS: 6
 
 # Deneb
-# `2**7` (=128)
+# 2**7 (= 128) blocks
 MAX_REQUEST_BLOCKS_DENEB: 128
-# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK
-MAX_REQUEST_BLOB_SIDECARS: 768
-# `2**12` (= 4096 epochs, ~18 days)
+# 2**12 (= 4,096) epochs
 MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS: 4096
-# `6`
+# 6 subnets
 BLOB_SIDECAR_SUBNET_COUNT: 6
-# `uint64(6)`
+# 6 blobs
 MAX_BLOBS_PER_BLOCK: 6
+# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK (= 128 * 6) sidecars
+MAX_REQUEST_BLOB_SIDECARS: 768
 
 # Electra
-# 2**7 * 10**9 (= 128,000,000,000)
-MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA: 128000000000
-# 2**8 * 10**9 (= 256,000,000,000)
-MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT: 256000000000
-# `9`
+# 9 subnets
 BLOB_SIDECAR_SUBNET_COUNT_ELECTRA: 9
-# `uint64(9)`
+# 9 blobs
 MAX_BLOBS_PER_BLOCK_ELECTRA: 9
-# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK_ELECTRA
+# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK_ELECTRA (= 128 * 9) sidecars
 MAX_REQUEST_BLOB_SIDECARS_ELECTRA: 1152
+
+# Fulu
+# 2**7 (= 128) groups
+NUMBER_OF_CUSTODY_GROUPS: 128
+# 2**7 (= 128) subnets
+DATA_COLUMN_SIDECAR_SUBNET_COUNT: 128
+# MAX_REQUEST_BLOCKS_DENEB * NUMBER_OF_COLUMNS (= 128 * 128) sidecars
+MAX_REQUEST_DATA_COLUMN_SIDECARS: 16384
+# 2**3 (= 8) samples
+SAMPLES_PER_SLOT: 8
+# 2**2 (= 4) sidecars
+CUSTODY_REQUIREMENT: 4
+# 2**3 (= 8) sidecars
+VALIDATOR_CUSTODY_REQUIREMENT: 8
+# 2**5 * 10**9 (= 32,000,000,000) Gwei
+BALANCE_PER_ADDITIONAL_CUSTODY_GROUP: 32000000000
+# 2**12 (= 4,096) epochs
+MIN_EPOCHS_FOR_DATA_COLUMN_SIDECARS_REQUESTS: 4096
+
+
+# Blob Scheduling
+# ---------------------------------------------------------------
+
+BLOB_SCHEDULE:
+  - EPOCH: 274176
+    MAX_BLOBS_PER_BLOCK: 15
+  - EPOCH: 275712
+    MAX_BLOBS_PER_BLOCK: 21

metadata/genesis.json

@@ -17,6 +17,9 @@
     "shanghaiTime": 1677557088,
     "cancunTime": 1706655072,
     "pragueTime": 1741159776,
+    "osakaTime": 1760427360,
+    "bpo1Time": 1761017184,
+    "bpo2Time": 1761607008,
     "blobSchedule": {
       "cancun": {
         "target": 3,
@@ -27,6 +30,21 @@
         "target": 6,
         "max": 9,
         "baseFeeUpdateFraction": 5007716
+      },
+      "osaka": {
+        "target": 6,
+        "max": 9,
+        "baseFeeUpdateFraction": 5007716
+      },
+      "bpo1": {
+        "target": 10,
+        "max": 15,
+        "baseFeeUpdateFraction": 8346193
+      },
+      "bpo2": {
+        "target": 14,
+        "max": 21,
+        "baseFeeUpdateFraction": 11684671
       }
     },
     "depositContractAddress": "0x7f02C3E3c98b133055B8B348B2Ac625669Ed295D"