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feat: schedule fusaka #11

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8ef8dd2
feat: schedule fusaka
barnabasbusa Sep 19, 2025
5d5e9af
fix ejection balance
barnabasbusa Sep 22, 2025
9dac422
remove osaka from blob schedule besu.json
barnabasbusa Oct 9, 2025
00de292
remove unused osaka from blob schedule
barnabasbusa Oct 13, 2025
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18 changes: 18 additions & 0 deletions metadata/besu.json
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,9 @@
"shanghaiTime": 1681338455,
"cancunTime": 1710338135,
"pragueTime": 1746612311,
"osakaTime": 1764798551,
"bpo1Time": 1765978199,
"bpo2Time": 1767747671,
"ethash": {},
"depositContractAddress": "0x00000000219ab540356cBB839Cbe05303d7705Fa",
"withdrawalRequestContractAddress": "0x00000961ef480eb55e80d19ad83579a64c007002",
Expand All @@ -31,6 +34,21 @@
"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
}
},
"discovery": {
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20 changes: 20 additions & 0 deletions metadata/chainspec.json
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,14 @@
"eip7251TransitionTimestamp": "0x681b3057",
"eip7623TransitionTimestamp": "0x681b3057",
"eip7702TransitionTimestamp": "0x681b3057",
"eip7594TransitionTimestamp": "0x6930b057",
"eip7823TransitionTimestamp": "0x6930b057",
"eip7825TransitionTimestamp": "0x6930b057",
"eip7883TransitionTimestamp": "0x6930b057",
"eip7918TransitionTimestamp": "0x6930b057",
"eip7934TransitionTimestamp": "0x6930b057",
"eip7939TransitionTimestamp": "0x6930b057",
"eip7951TransitionTimestamp": "0x6930b057",
"depositContractAddress": "0x00000000219ab540356cBB839Cbe05303d7705Fa",
"terminalTotalDifficulty": "0xc70d808a128d7380000",
"blobSchedule": [
Expand All @@ -211,6 +219,18 @@
"target": 6,
"max": 9,
"baseFeeUpdateFraction": "0x4c6964"
},
{
"timestamp": "0x6942b057",
"target": 10,
"max": 15,
"baseFeeUpdateFraction": "0x7f5a51"
},
{
"timestamp": "0x695db057",
"target": 14,
"max": 21,
"baseFeeUpdateFraction": "0xb24b3f"
}
]
},
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111 changes: 80 additions & 31 deletions metadata/config.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -54,20 +54,37 @@ DENEB_FORK_EPOCH: 269568 # March 13, 2024, 01:55:35pm UTC
# Electra
ELECTRA_FORK_VERSION: 0x05000000
ELECTRA_FORK_EPOCH: 364032 # May 7, 2025, 10:05:11am UTC
# Fulu
FULU_FORK_VERSION: 0x06000000
FULU_FORK_EPOCH: 411392 # December 3, 2025, 09:49:11pm UTC


# 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
Expand All @@ -76,15 +93,23 @@ ETH1_FOLLOW_DISTANCE: 2048
INACTIVITY_SCORE_BIAS: 4
# 2**4 (= 16)
INACTIVITY_SCORE_RECOVERY_RATE: 16
# 2**4 * 10**9 (= 16,000,000,000) Gwei
EJECTION_BALANCE: 16000000000
# 2**2 (= 4)
# 28,000,000,000 Gwei to ensure quicker ejection
EJECTION_BALANCE: 28000000000
# 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%
Expand All @@ -93,7 +118,7 @@ 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


Expand All @@ -107,49 +132,73 @@ DEPOSIT_CONTRACT_ADDRESS: 0x00000000219ab540356cBB839Cbe05303d7705Fa

# 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
# 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: 414464 # December 17, 2025, 01:29:59pm UTC
MAX_BLOBS_PER_BLOCK: 15
- EPOCH: 419072 # January 7, 2026, 01:01:11am UTC
MAX_BLOBS_PER_BLOCK: 21
18 changes: 18 additions & 0 deletions metadata/genesis.json
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,9 @@
"shanghaiTime": 1681338455,
"cancunTime": 1710338135,
"pragueTime": 1746612311,
"osakaTime": 1764798551,
"bpo1Time": 1765978199,
"bpo2Time": 1767747671,
"ethash": {},
"depositContractAddress": "0x00000000219ab540356cBB839Cbe05303d7705Fa",
"blobSchedule": {
Expand All @@ -34,6 +37,21 @@
"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
}
}
},
Expand Down