61 lines
3.4 KiB
Python
61 lines
3.4 KiB
Python
from chia.util.ints import uint64
|
|
|
|
from .constants import ConsensusConstants
|
|
|
|
testnet_kwargs = {
|
|
"SLOT_BLOCKS_TARGET": 32,
|
|
"MIN_BLOCKS_PER_CHALLENGE_BLOCK": 16, # Must be less than half of SLOT_BLOCKS_TARGET
|
|
"MAX_SUB_SLOT_BLOCKS": 128, # Must be less than half of SUB_EPOCH_BLOCKS
|
|
"NUM_SPS_SUB_SLOT": 64, # Must be a power of 2
|
|
"SUB_SLOT_ITERS_STARTING": 2 ** 27,
|
|
# DIFFICULTY_STARTING is the starting difficulty for the first epoch, which is then further
|
|
# multiplied by another factor of DIFFICULTY_CONSTANT_FACTOR, to be used in the VDF iter calculation formula.
|
|
"DIFFICULTY_CONSTANT_FACTOR": 2 ** 67,
|
|
"DIFFICULTY_STARTING": 7,
|
|
"DIFFICULTY_CHANGE_MAX_FACTOR": 3, # The next difficulty is truncated to range [prev / FACTOR, prev * FACTOR]
|
|
# These 3 constants must be changed at the same time
|
|
"SUB_EPOCH_BLOCKS": 384, # The number of blocks per sub-epoch, mainnet 384
|
|
"EPOCH_BLOCKS": 4608, # The number of blocks per epoch, mainnet 4608. Must be multiple of SUB_EPOCH_SB
|
|
"SIGNIFICANT_BITS": 8, # The number of bits to look at in difficulty and min iters. The rest are zeroed
|
|
"DISCRIMINANT_SIZE_BITS": 1024, # Max is 1024 (based on ClassGroupElement int size)
|
|
"NUMBER_ZERO_BITS_PLOT_FILTER": 9, # H(plot signature of the challenge) must start with these many zeroes
|
|
"MIN_PLOT_SIZE": 32, # 32 for mainnet
|
|
"MAX_PLOT_SIZE": 50,
|
|
"SUB_SLOT_TIME_TARGET": 600, # The target number of seconds per slot, mainnet 600
|
|
"NUM_SP_INTERVALS_EXTRA": 3, # The number of sp intervals to add to the signage point
|
|
"MAX_FUTURE_TIME": 5 * 60, # The next block can have a timestamp of at most these many seconds in the future
|
|
"NUMBER_OF_TIMESTAMPS": 11, # Than the average of the last NUMBER_OF_TIMESTAMPS blocks
|
|
# Used as the initial cc rc challenges, as well as first block back pointers, and first SES back pointer
|
|
# We override this value based on the chain being run (testnet0, testnet1, mainnet, etc)
|
|
# Default used for tests is std_hash(b'')
|
|
"GENESIS_CHALLENGE": bytes.fromhex("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"),
|
|
# Forks of chia should change this value to provide replay attack protection. This is set to mainnet genesis chall
|
|
"AGG_SIG_ME_ADDITIONAL_DATA": bytes.fromhex("ccd5bb71183532bff220ba46c268991a3ff07eb358e8255a65c30a2dce0e5fbb"),
|
|
"GENESIS_PRE_FARM_POOL_PUZZLE_HASH": bytes.fromhex(
|
|
"d23da14695a188ae5708dd152263c4db883eb27edeb936178d4d988b8f3ce5fc"
|
|
),
|
|
"GENESIS_PRE_FARM_FARMER_PUZZLE_HASH": bytes.fromhex(
|
|
"3d8765d3a597ec1d99663f6c9816d915b9f68613ac94009884c4addaefcce6af"
|
|
),
|
|
"MAX_VDF_WITNESS_SIZE": 64,
|
|
# Size of mempool = 50x the size of block
|
|
"MEMPOOL_BLOCK_BUFFER": 50,
|
|
# Max coin amount, fits into 64 bits
|
|
"MAX_COIN_AMOUNT": uint64((1 << 64) - 1),
|
|
# Max block cost in clvm cost units
|
|
"MAX_BLOCK_COST_CLVM": 11000000000,
|
|
# The cost per byte of generator program
|
|
"COST_PER_BYTE": 12000,
|
|
"WEIGHT_PROOF_THRESHOLD": 2,
|
|
"BLOCKS_CACHE_SIZE": 4608 + (128 * 4),
|
|
"WEIGHT_PROOF_RECENT_BLOCKS": 1000,
|
|
"MAX_BLOCK_COUNT_PER_REQUESTS": 32, # Allow up to 32 blocks per request
|
|
"INITIAL_FREEZE_END_TIMESTAMP": 1620061200, # Mon May 03 2021 17:00:00 GMT+0000
|
|
"NETWORK_TYPE": 0,
|
|
"MAX_GENERATOR_SIZE": 1000000,
|
|
"MAX_GENERATOR_REF_LIST_SIZE": 512, # Number of references allowed in the block generator ref list
|
|
}
|
|
|
|
|
|
DEFAULT_CONSTANTS = ConsensusConstants(**testnet_kwargs) # type: ignore
|