# Mainnet config

# Extends the mainnet preset
PRESET_BASE: 'mainnet'

# Free-form short name of the network that this configuration applies to - known
# canonical network names include:
# * 'mainnet' - there can be only one
# * 'sepolia' - testnet
# * 'holesky' - testnet
# * 'hoodi' - testnet
# Must match the regex: [a-z0-9\-]
CONFIG_NAME: 'testnet' # needs to exist because of Prysm. Otherwise it conflicts with mainnet genesis

# Transition
# ---------------------------------------------------------------
# Estimated on Sept 15, 2022
TERMINAL_TOTAL_DIFFICULTY: 0
# By default, don't use these params
TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615

# Genesis
# ---------------------------------------------------------------
# `2**14` (= 16,384)
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 55600
# 2025-Sep-10 01:55:00 PM UTC
MIN_GENESIS_TIME: 1757512500
# Mainnet initial fork version, recommend altering for testnets
GENESIS_FORK_VERSION: 0x10743874
# Some seconds
GENESIS_DELAY: 300

# Forking
# ---------------------------------------------------------------
# Some forks are disabled for now:
#  - These may be re-assigned to another fork-version later
#  - Temporarily set to max uint64 value: 2**64 - 1

# Altair
ALTAIR_FORK_VERSION: 0x20743874
ALTAIR_FORK_EPOCH: 0
# Merge
BELLATRIX_FORK_VERSION: 0x30743874
BELLATRIX_FORK_EPOCH: 0
# Capella
CAPELLA_FORK_VERSION: 0x40743874
CAPELLA_FORK_EPOCH: 0
# Deneb
DENEB_FORK_VERSION: 0x50743874
DENEB_FORK_EPOCH: 0
# Electra
ELECTRA_FORK_VERSION: 0x60743874
ELECTRA_FORK_EPOCH: 0
# Fulu
FULU_FORK_VERSION: 0x70743874
FULU_FORK_EPOCH: 256
# GLOAS
GLOAS_FORK_VERSION: 0x80000000
GLOAS_FORK_EPOCH: 18446744073709551615
# EIP7441
EIP7441_FORK_VERSION: 0xa0000000
EIP7441_FORK_EPOCH: 18446744073709551615
# EIP7805
EIP7805_FORK_VERSION: 0x90000000
EIP7805_FORK_EPOCH: 18446744073709551615
# EIP7928
EIP7928_FORK_VERSION: 
EIP7928_FORK_EPOCH: 

# Time parameters
# ---------------------------------------------------------------
# 12 seconds (*deprecated*)
SECONDS_PER_SLOT: 12
# 12000 milliseconds
SLOT_DURATION_MS: 12000
# 14 (estimate from Eth1 mainnet)
SECONDS_PER_ETH1_BLOCK: 12
# 2**8 (= 256) epochs ~27 hours
MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
# 2**8 (= 256) epochs ~27 hours
SHARD_COMMITTEE_PERIOD: 256
# 2**11 (= 2,048) Eth1 blocks ~8 hours
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

# Gloas
# 2500 basis points, 25% of SLOT_DURATION_MS
ATTESTATION_DUE_BPS_GLOAS: 2500
# 5000 basis points, 50% of SLOT_DURATION_MS
AGGREGATE_DUE_BPS_GLOAS: 5000
# 2500 basis points, 25% of SLOT_DURATION_MS
SYNC_MESSAGE_DUE_BPS_GLOAS: 2500
# 5000 basis points, 50% of SLOT_DURATION_MS
CONTRIBUTION_DUE_BPS_GLOAS: 5000
# 7500 basis points, 75% of SLOT_DURATION_MS
PAYLOAD_ATTESTATION_DUE_BPS: 7500

# EIP7805
# 7500 basis points, 75% of SLOT_DURATION_MS
VIEW_FREEZE_CUTOFF_BPS: 7500
# 6667 basis points, ~67% of SLOT_DURATION_MS
INCLUSION_LIST_SUBMISSION_DUE_BPS: 6667
# 9167 basis points, ~92% of SLOT_DURATION_MS
PROPOSER_INCLUSION_LIST_CUTOFF_BPS: 9167

# Validator cycle
# ---------------------------------------------------------------
# 2**2 (= 4)
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)
MIN_PER_EPOCH_CHURN_LIMIT: 4
# 2**16 (= 65,536)
CHURN_LIMIT_QUOTIENT: 65536

# 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%
PROPOSER_SCORE_BOOST: 40
# 20%
REORG_HEAD_WEIGHT_THRESHOLD: 20
# 160%
REORG_PARENT_WEIGHT_THRESHOLD: 160
# `2` epochs
REORG_MAX_EPOCHS_SINCE_FINALIZATION: 2

# Deposit contract
# ---------------------------------------------------------------
# Ethereum PoW Mainnet
DEPOSIT_CHAIN_ID: 7092415936
DEPOSIT_NETWORK_ID: 7092415936
DEPOSIT_CONTRACT_ADDRESS: 0x00000000219ab540356cBB839Cbe05303d7705Fa

# Networking
# ---------------------------------------------------------------
# `10 * 2**20` (= 10485760, 10 MiB)
MAX_PAYLOAD_SIZE: 10485760
# 2**10 (= 1,024) blocks
MAX_REQUEST_BLOCKS: 1024
# 2**8 (= 256) epochs
EPOCHS_PER_SUBNET_SUBSCRIPTION: 256
# MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2 (= 33,024) epochs
MIN_EPOCHS_FOR_BLOCK_REQUESTS: 33024
# 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**6 (= 64) subnets
ATTESTATION_SUBNET_COUNT: 64
# 0 bits
ATTESTATION_SUBNET_EXTRA_BITS: 0
# ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS (= 6 + 0) bits
ATTESTATION_SUBNET_PREFIX_BITS: 6

# Deneb
# 2**7 (= 128) blocks
MAX_REQUEST_BLOCKS_DENEB: 128
# 2**12 (= 4,096) epochs
MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS: 4096
# 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
# 9 subnets
BLOB_SIDECAR_SUBNET_COUNT_ELECTRA: 9
# 9 blobs
MAX_BLOBS_PER_BLOCK_ELECTRA: 9
# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK_ELECTRA
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

# Gloas
# 2**7 (= 128) payloads
MAX_REQUEST_PAYLOADS: 128

# EIP7441
# 2**8 (= 256) epochs
EPOCHS_PER_SHUFFLING_PHASE: 256
# 2**1 (= 2) epochs
PROPOSER_SELECTION_GAP: 2

# EIP7805
# 2**4 (= 16) inclusion lists
MAX_REQUEST_INCLUSION_LIST: 16
# 2**13 (= 8,192) bytes
MAX_BYTES_PER_INCLUSION_LIST: 8192

# Blob Scheduling
# ---------------------------------------------------------------


BLOB_SCHEDULE:
  - EPOCH: 512
    MAX_BLOBS_PER_BLOCK: 15
  - EPOCH: 768
    MAX_BLOBS_PER_BLOCK: 21
  - EPOCH: 1024
    MAX_BLOBS_PER_BLOCK: 33
  - EPOCH: 1280
    MAX_BLOBS_PER_BLOCK: 48
  - EPOCH: 1536
    MAX_BLOBS_PER_BLOCK: 72