def sp_sub_slot_total_iters(self,
constants: ConsensusConstants) -> uint128:
if self.overflow:
return uint128(self.total_iters - self.ip_iters(constants) -
self.sub_slot_iters)
else:
return uint128(self.total_iters - self.ip_iters(constants))
async def get_confirmed_spendable_balance_for_wallet(self, wallet_id: int, unspent_records=None) -> uint128:
"""
Returns the balance amount of all coins that are spendable.
"""
spendable: Set[WalletCoinRecord] = await self.get_spendable_coins_for_wallet(wallet_id, unspent_records)
spendable_amount: uint128 = uint128(0)
for record in spendable:
spendable_amount = uint128(spendable_amount + record.coin.amount)
return spendable_amount
async def get_confirmed_balance_for_wallet(
self, wallet_id: int, unspent_coin_records: Optional[Set[WalletCoinRecord]] = None
) -> uint128:
"""
Returns the confirmed balance, including coinbase rewards that are not spendable.
"""
if unspent_coin_records is None:
unspent_coin_records = await self.coin_store.get_unspent_coins_for_wallet(wallet_id)
amount: uint128 = uint128(0)
for record in unspent_coin_records:
amount = uint128(amount + record.coin.amount)
self.log.info(f"Confirmed balance amount is {amount}")
return uint128(amount)
async def get_unconfirmed_balance(
self,
wallet_id,
unspent_coin_records: Optional[Set[WalletCoinRecord]] = None
) -> uint128:
"""
Returns the balance, including coinbase rewards that are not spendable, and unconfirmed
transactions.
"""
confirmed = await self.get_confirmed_balance_for_wallet(
wallet_id, unspent_coin_records)
unconfirmed_tx: List[
TransactionRecord] = await self.tx_store.get_unconfirmed_for_wallet(
wallet_id)
removal_amount: int = 0
addition_amount: int = 0
for record in unconfirmed_tx:
for removal in record.removals:
removal_amount += removal.amount
for addition in record.additions:
# This change or a self transaction
if await self.does_coin_belong_to_wallet(addition, wallet_id):
addition_amount += addition.amount
result = confirmed - removal_amount + addition_amount
return uint128(result)
async def get_network_space(self, request: Dict) -> Optional[Dict]:
"""
Retrieves an estimate of total space validating the chain
between two block header hashes.
"""
if "newer_block_header_hash" not in request or "older_block_header_hash" not in request:
raise ValueError("Invalid request. newer_block_header_hash and older_block_header_hash required")
newer_block_hex = request["newer_block_header_hash"]
older_block_hex = request["older_block_header_hash"]
if newer_block_hex == older_block_hex:
raise ValueError("New and old must not be the same")
newer_block_bytes = hexstr_to_bytes(newer_block_hex)
older_block_bytes = hexstr_to_bytes(older_block_hex)
newer_block = await self.service.block_store.get_block_record(newer_block_bytes)
if newer_block is None:
raise ValueError("Newer block not found")
older_block = await self.service.block_store.get_block_record(older_block_bytes)
if older_block is None:
raise ValueError("Newer block not found")
delta_weight = newer_block.weight - older_block.weight
delta_iters = newer_block.total_iters - older_block.total_iters
weight_div_iters = delta_weight / delta_iters
additional_difficulty_constant = self.service.constants.DIFFICULTY_CONSTANT_FACTOR
eligible_plots_filter_multiplier = 2 ** self.service.constants.NUMBER_ZERO_BITS_PLOT_FILTER
network_space_bytes_estimate = (
UI_ACTUAL_SPACE_CONSTANT_FACTOR
* weight_div_iters
* additional_difficulty_constant
* eligible_plots_filter_multiplier
)
return {"space": uint128(int(network_space_bytes_estimate))}
def test_roundtrip(self):
def roundtrip(v):
s = io.BytesIO()
v.stream(s)
s.seek(0)
cls = type(v)
v2 = cls.parse(s)
assert v2 == v
# int512 is special. it uses 65 bytes to allow positive and negative
# "uint512"
roundtrip(
int512(
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF # noqa: E501
))
roundtrip(
int512(
-0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF # noqa: E501
))
roundtrip(uint128(0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))
roundtrip(uint128(0))
roundtrip(uint64(0xFFFFFFFFFFFFFFFF))
roundtrip(uint64(0))
roundtrip(int64(0x7FFFFFFFFFFFFFFF))
roundtrip(int64(-0x8000000000000000))
roundtrip(uint32(0xFFFFFFFF))
roundtrip(uint32(0))
roundtrip(int32(0x7FFFFFFF))
roundtrip(int32(-0x80000000))
roundtrip(uint16(0xFFFF))
roundtrip(uint16(0))
roundtrip(int16(0x7FFF))
roundtrip(int16(-0x8000))
roundtrip(uint8(0xFF))
roundtrip(uint8(0))
roundtrip(int8(0x7F))
roundtrip(int8(-0x80))
async def _sync(self) -> None:
"""
Wallet has fallen far behind (or is starting up for the first time), and must be synced
up to the LCA of the blockchain.
"""
if self.wallet_state_manager is None or self.backup_initialized is False or self.server is None:
return None
highest_weight: uint128 = uint128(0)
peak_height: uint32 = uint32(0)
peak: Optional[HeaderBlock] = None
potential_peaks: List[Tuple[
bytes32,
HeaderBlock]] = self.wallet_state_manager.sync_store.get_potential_peaks_tuples(
)
self.log.info(f"Have collected {len(potential_peaks)} potential peaks")
for header_hash, potential_peak_block in potential_peaks:
if potential_peak_block.weight > highest_weight:
highest_weight = potential_peak_block.weight
peak_height = potential_peak_block.height
peak = potential_peak_block
if peak_height is None or peak_height == 0:
return None
if self.wallet_state_manager.peak is not None and highest_weight <= self.wallet_state_manager.peak.weight:
self.log.info("Not performing sync, already caught up.")
return None
peers: List[WSChiaConnection] = self.server.get_full_node_connections()
if len(peers) == 0:
self.log.info("No peers to sync to")
return None
async with self.wallet_state_manager.blockchain.lock:
fork_height = None
if peak is not None:
fork_height = self.wallet_state_manager.sync_store.get_potential_fork_point(
peak.header_hash)
assert fork_height is not None
# This is the fork point in SES in the case where no fork was detected
peers = self.server.get_full_node_connections()
fork_height = await check_fork_next_block(
self.wallet_state_manager.blockchain, fork_height, peers,
wallet_next_block_check)
if fork_height is None:
fork_height = uint32(0)
await self.wallet_state_manager.blockchain.warmup(fork_height)
await self.batch_sync_to_peak(fork_height, peak)
def __init__(self, constants: ConsensusConstants):
self.state_type: StateType = StateType.FIRST_SUB_SLOT
self.peak: Optional[timelord_protocol.NewPeakTimelord] = None
self.subslot_end: Optional[EndOfSubSlotBundle] = None
self.last_ip: uint64 = uint64(0)
self.deficit: uint8 = constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK
self.sub_epoch_summary: Optional[SubEpochSummary] = None
self.constants: ConsensusConstants = constants
self.last_weight: uint128 = uint128(0)
self.last_height: uint32 = uint32(0)
self.total_iters: uint128 = uint128(0)
self.last_challenge_sb_or_eos_total_iters = uint128(0)
self.last_block_total_iters: Optional[uint128] = None
self.last_peak_challenge: bytes32 = constants.GENESIS_CHALLENGE
self.difficulty: uint64 = constants.DIFFICULTY_STARTING
self.sub_slot_iters: uint64 = constants.SUB_SLOT_ITERS_STARTING
self.reward_challenge_cache: List[Tuple[bytes32, uint128]] = [
(constants.GENESIS_CHALLENGE, uint128(0))
]
self.new_epoch = False
self.passed_ses_height_but_not_yet_included = False
self.infused_ses = False
async def get_unconfirmed_balance(
self, wallet_id, unspent_coin_records: Optional[Set[WalletCoinRecord]] = None
) -> uint128:
"""
Returns the balance, including coinbase rewards that are not spendable, and unconfirmed
transactions.
"""
confirmed = await self.get_confirmed_balance_for_wallet(wallet_id, unspent_coin_records)
unconfirmed_tx: List[TransactionRecord] = await self.tx_store.get_unconfirmed_for_wallet(wallet_id)
removal_amount = 0
for record in unconfirmed_tx:
removal_amount += record.amount
removal_amount += record.fee_amount
result = confirmed - removal_amount
return uint128(result)
def get_recent_reward_challenges(self) -> List[Tuple[bytes32, uint128]]:
peak = self.get_peak()
if peak is None:
return []
recent_rc: List[Tuple[bytes32, uint128]] = []
curr: Optional[BlockRecord] = peak
while curr is not None and len(recent_rc) < 2 * self.constants.MAX_SUB_SLOT_BLOCKS:
if curr != peak:
recent_rc.append((curr.reward_infusion_new_challenge, curr.total_iters))
if curr.first_in_sub_slot:
assert curr.finished_reward_slot_hashes is not None
sub_slot_total_iters = curr.ip_sub_slot_total_iters(self.constants)
# Start from the most recent
for rc in reversed(curr.finished_reward_slot_hashes):
recent_rc.append((rc, sub_slot_total_iters))
sub_slot_total_iters = uint128(sub_slot_total_iters - curr.sub_slot_iters)
curr = self.try_block_record(curr.prev_hash)
return list(reversed(recent_rc))
async def get_unconfirmed_balance(self, unspent_records=None) -> uint128:
confirmed = await self.get_confirmed_balance(unspent_records)
unconfirmed_tx: List[TransactionRecord] = await self.wallet_state_manager.tx_store.get_unconfirmed_for_wallet(
self.id()
)
addition_amount = 0
removal_amount = 0
for record in unconfirmed_tx:
if record.type is TransactionType.INCOMING_TX:
addition_amount += record.amount
else:
removal_amount += record.amount
result = confirmed - removal_amount + addition_amount
self.log.info(f"Unconfirmed balance for cc wallet {self.id()} is {result}")
return uint128(result)
def get_heaviest_peak(self) -> Optional[Tuple[bytes32, uint32, uint128]]:
"""
Returns: the header_hash, height, and weight of the heaviest block that one of our peers has notified
us of.
"""
if len(self.peer_to_peak) == 0:
return None
heaviest_peak_hash: Optional[bytes32] = None
heaviest_peak_weight: uint128 = uint128(0)
heaviest_peak_height: Optional[uint32] = None
for peer_id, (peak_hash, height, weight) in self.peer_to_peak.items():
if peak_hash not in self.peak_to_peer:
continue
if heaviest_peak_hash is None or weight > heaviest_peak_weight:
heaviest_peak_hash = peak_hash
heaviest_peak_weight = weight
heaviest_peak_height = height
assert heaviest_peak_hash is not None and heaviest_peak_weight is not None and heaviest_peak_height is not None
return heaviest_peak_hash, heaviest_peak_height, heaviest_peak_weight
def initialize_genesis_sub_slot(self):
self.clear_slots()
self.finished_sub_slots = [
(None, [None] * self.constants.NUM_SPS_SUB_SLOT, uint128(0))
]
async def _check_for_new_ip(self, iter_to_look_for: uint64):
if len(self.unfinished_blocks) == 0:
return None
infusion_iters = [
iteration for iteration, t in self.iteration_to_proof_type.items() if t == IterationType.INFUSION_POINT
]
for iteration in infusion_iters:
if iteration != iter_to_look_for:
continue
proofs_with_iter = [
(chain, info, proof)
for chain, info, proof, label in self.proofs_finished
if info.number_of_iterations == iteration and label == self.num_resets
]
if self.last_state.get_challenge(Chain.INFUSED_CHALLENGE_CHAIN) is not None:
chain_count = 3
else:
chain_count = 2
if len(proofs_with_iter) == chain_count:
block = None
ip_iters = None
for unfinished_block in self.unfinished_blocks:
try:
_, ip_iters = iters_from_block(
self.constants,
unfinished_block.reward_chain_block,
self.last_state.get_sub_slot_iters(),
self.last_state.get_difficulty(),
)
except Exception as e:
log.error(f"Error {e}")
continue
if ip_iters - self.last_state.get_last_ip() == iteration:
block = unfinished_block
break
assert ip_iters is not None
if block is not None:
ip_total_iters = self.last_state.get_total_iters() + iteration
challenge = block.reward_chain_block.get_hash()
icc_info: Optional[VDFInfo] = None
icc_proof: Optional[VDFProof] = None
cc_info: Optional[VDFInfo] = None
cc_proof: Optional[VDFProof] = None
rc_info: Optional[VDFInfo] = None
rc_proof: Optional[VDFProof] = None
for chain, info, proof in proofs_with_iter:
if chain == Chain.CHALLENGE_CHAIN:
cc_info = info
cc_proof = proof
if chain == Chain.REWARD_CHAIN:
rc_info = info
rc_proof = proof
if chain == Chain.INFUSED_CHALLENGE_CHAIN:
icc_info = info
icc_proof = proof
if cc_info is None or cc_proof is None or rc_info is None or rc_proof is None:
log.error(f"Insufficient VDF proofs for infusion point ch: {challenge} iterations:{iteration}")
return None
rc_challenge = self.last_state.get_challenge(Chain.REWARD_CHAIN)
if rc_info.challenge != rc_challenge:
assert rc_challenge is not None
log.warning(
f"Do not have correct challenge {rc_challenge.hex()} "
f"has {rc_info.challenge}, partial hash {block.reward_chain_block.get_hash()}"
)
# This proof is on an outdated challenge, so don't use it
continue
self.iters_finished.add(iter_to_look_for)
self.last_active_time = time.time()
log.debug(f"Generated infusion point for challenge: {challenge} iterations: {iteration}.")
overflow = is_overflow_block(self.constants, block.reward_chain_block.signage_point_index)
if not self.last_state.can_infuse_block(overflow):
log.warning("Too many blocks, or overflow in new epoch, cannot infuse, discarding")
return None
cc_info = dataclasses.replace(cc_info, number_of_iterations=ip_iters)
response = timelord_protocol.NewInfusionPointVDF(
challenge,
cc_info,
cc_proof,
rc_info,
rc_proof,
icc_info,
icc_proof,
)
msg = make_msg(ProtocolMessageTypes.new_infusion_point_vdf, response)
if self.server is not None:
await self.server.send_to_all([msg], NodeType.FULL_NODE)
self.proofs_finished = self._clear_proof_list(iteration)
if (
self.last_state.get_last_block_total_iters() is None
and not self.last_state.state_type == StateType.FIRST_SUB_SLOT
):
# We don't know when the last block was, so we can't make peaks
return None
sp_total_iters = (
ip_total_iters
- ip_iters
+ calculate_sp_iters(
self.constants,
block.sub_slot_iters,
block.reward_chain_block.signage_point_index,
)
- (block.sub_slot_iters if overflow else 0)
)
if self.last_state.state_type == StateType.FIRST_SUB_SLOT:
is_transaction_block = True
height: uint32 = uint32(0)
else:
last_block_ti = self.last_state.get_last_block_total_iters()
assert last_block_ti is not None
is_transaction_block = last_block_ti < sp_total_iters
height = uint32(self.last_state.get_height() + 1)
if height < 5:
# Don't directly update our state for the first few blocks, because we cannot validate
# whether the pre-farm is correct
return None
new_reward_chain_block = RewardChainBlock(
uint128(self.last_state.get_weight() + block.difficulty),
height,
uint128(ip_total_iters),
block.reward_chain_block.signage_point_index,
block.reward_chain_block.pos_ss_cc_challenge_hash,
block.reward_chain_block.proof_of_space,
block.reward_chain_block.challenge_chain_sp_vdf,
block.reward_chain_block.challenge_chain_sp_signature,
cc_info,
block.reward_chain_block.reward_chain_sp_vdf,
block.reward_chain_block.reward_chain_sp_signature,
rc_info,
icc_info,
is_transaction_block,
)
if self.last_state.state_type == StateType.FIRST_SUB_SLOT:
# Genesis
new_deficit = self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK - 1
elif overflow and self.last_state.deficit == self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK:
if self.last_state.peak is not None:
assert self.last_state.subslot_end is None
# This means the previous block is also an overflow block, and did not manage
# to lower the deficit, therefore we cannot lower it either. (new slot)
new_deficit = self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK
else:
# This means we are the first infusion in this sub-slot. This may be a new slot or not.
assert self.last_state.subslot_end is not None
if self.last_state.subslot_end.infused_challenge_chain is None:
# There is no ICC, which means we are not finishing a slot. We can reduce the deficit.
new_deficit = self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK - 1
else:
# There is an ICC, which means we are finishing a slot. Different slot, so can't change
# the deficit
new_deficit = self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK
else:
new_deficit = max(self.last_state.deficit - 1, 0)
if new_deficit == self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK - 1:
last_csb_or_eos = ip_total_iters
else:
last_csb_or_eos = self.last_state.last_challenge_sb_or_eos_total_iters
if self.last_state.just_infused_sub_epoch_summary():
new_sub_epoch_summary = None
passed_ses_height_but_not_yet_included = False
else:
new_sub_epoch_summary = block.sub_epoch_summary
if new_reward_chain_block.height % self.constants.SUB_EPOCH_BLOCKS == 0:
passed_ses_height_but_not_yet_included = True
else:
passed_ses_height_but_not_yet_included = (
self.last_state.get_passed_ses_height_but_not_yet_included()
)
self.new_peak = timelord_protocol.NewPeakTimelord(
new_reward_chain_block,
block.difficulty,
uint8(new_deficit),
block.sub_slot_iters,
new_sub_epoch_summary,
self.last_state.reward_challenge_cache,
uint128(last_csb_or_eos),
passed_ses_height_but_not_yet_included,
)
await self._handle_new_peak()
# Break so we alternate between checking SP and IP
break
async def validate_block_body(
constants: ConsensusConstants,
blocks: BlockchainInterface,
block_store: BlockStore,
coin_store: CoinStore,
peak: Optional[BlockRecord],
block: Union[FullBlock, UnfinishedBlock],
height: uint32,
npc_result: Optional[NPCResult],
fork_point_with_peak: Optional[uint32],
get_block_generator: Callable,
validate_signature=True,
) -> Tuple[Optional[Err], Optional[NPCResult]]:
"""
This assumes the header block has been completely validated.
Validates the transactions and body of the block. Returns None for the first value if everything
validates correctly, or an Err if something does not validate. For the second value, returns a CostResult
only if validation succeeded, and there are transactions. In other cases it returns None. The NPC result is
the result of running the generator with the previous generators refs. It is only present for transaction
blocks which have spent coins.
"""
if isinstance(block, FullBlock):
assert height == block.height
prev_transaction_block_height: uint32 = uint32(0)
# 1. For non transaction-blocs: foliage block, transaction filter, transactions info, and generator must
# be empty. If it is a block but not a transaction block, there is no body to validate. Check that all fields are
# None
if block.foliage.foliage_transaction_block_hash is None:
if (block.foliage_transaction_block is not None
or block.transactions_info is not None
or block.transactions_generator is not None):
return Err.NOT_BLOCK_BUT_HAS_DATA, None
prev_tb: BlockRecord = blocks.block_record(block.prev_header_hash)
while not prev_tb.is_transaction_block:
prev_tb = blocks.block_record(prev_tb.prev_hash)
assert prev_tb.timestamp is not None
if len(block.transactions_generator_ref_list) > 0:
return Err.NOT_BLOCK_BUT_HAS_DATA, None
return None, None # This means the block is valid
# All checks below this point correspond to transaction blocks
# 2. For blocks, foliage block, transactions info must not be empty
if block.foliage_transaction_block is None or block.transactions_info is None:
return Err.IS_TRANSACTION_BLOCK_BUT_NO_DATA, None
assert block.foliage_transaction_block is not None
# keeps track of the reward coins that need to be incorporated
expected_reward_coins: Set[Coin] = set()
# 3. The transaction info hash in the Foliage block must match the transaction info
if block.foliage_transaction_block.transactions_info_hash != std_hash(
block.transactions_info):
return Err.INVALID_TRANSACTIONS_INFO_HASH, None
# 4. The foliage block hash in the foliage block must match the foliage block
if block.foliage.foliage_transaction_block_hash != std_hash(
block.foliage_transaction_block):
return Err.INVALID_FOLIAGE_BLOCK_HASH, None
# 5. The reward claims must be valid for the previous blocks, and current block fees
# If height == 0, expected_reward_coins will be left empty
if height > 0:
# Add reward claims for all blocks from the prev prev block, until the prev block (including the latter)
prev_transaction_block = blocks.block_record(
block.foliage_transaction_block.prev_transaction_block_hash)
prev_transaction_block_height = prev_transaction_block.height
assert prev_transaction_block.fees is not None
pool_coin = create_pool_coin(
prev_transaction_block_height,
prev_transaction_block.pool_puzzle_hash,
calculate_pool_reward(prev_transaction_block.height),
constants.GENESIS_CHALLENGE,
)
farmer_coin = create_farmer_coin(
prev_transaction_block_height,
prev_transaction_block.farmer_puzzle_hash,
uint64(
calculate_base_farmer_reward(prev_transaction_block.height) +
prev_transaction_block.fees),
constants.GENESIS_CHALLENGE,
)
# Adds the previous block
expected_reward_coins.add(pool_coin)
expected_reward_coins.add(farmer_coin)
# For the second block in the chain, don't go back further
if prev_transaction_block.height > 0:
curr_b = blocks.block_record(prev_transaction_block.prev_hash)
while not curr_b.is_transaction_block:
expected_reward_coins.add(
create_pool_coin(
curr_b.height,
curr_b.pool_puzzle_hash,
calculate_pool_reward(curr_b.height),
constants.GENESIS_CHALLENGE,
))
expected_reward_coins.add(
create_farmer_coin(
curr_b.height,
curr_b.farmer_puzzle_hash,
calculate_base_farmer_reward(curr_b.height),
constants.GENESIS_CHALLENGE,
))
curr_b = blocks.block_record(curr_b.prev_hash)
if set(block.transactions_info.reward_claims_incorporated
) != expected_reward_coins:
return Err.INVALID_REWARD_COINS, None
if len(block.transactions_info.reward_claims_incorporated) != len(
expected_reward_coins):
return Err.INVALID_REWARD_COINS, None
removals: List[bytes32] = []
coinbase_additions: List[Coin] = list(expected_reward_coins)
additions: List[Coin] = []
npc_list: List[NPC] = []
removals_puzzle_dic: Dict[bytes32, bytes32] = {}
cost: uint64 = uint64(0)
# In header validation we check that timestamp is not more that 10 minutes into the future
# 6. No transactions before INITIAL_TRANSACTION_FREEZE timestamp
# (this test has been removed)
# 7a. The generator root must be the hash of the serialized bytes of
# the generator for this block (or zeroes if no generator)
if block.transactions_generator is not None:
if std_hash(bytes(block.transactions_generator)
) != block.transactions_info.generator_root:
return Err.INVALID_TRANSACTIONS_GENERATOR_HASH, None
else:
if block.transactions_info.generator_root != bytes([0] * 32):
return Err.INVALID_TRANSACTIONS_GENERATOR_HASH, None
# 8a. The generator_ref_list must be the hash of the serialized bytes of
# the generator ref list for this block (or 'one' bytes [0x01] if no generator)
# 8b. The generator ref list length must be less than or equal to MAX_GENERATOR_REF_LIST_SIZE entries
# 8c. The generator ref list must not point to a height >= this block's height
if block.transactions_generator_ref_list in (None, []):
if block.transactions_info.generator_refs_root != bytes([1] * 32):
return Err.INVALID_TRANSACTIONS_GENERATOR_REFS_ROOT, None
else:
# If we have a generator reference list, we must have a generator
if block.transactions_generator is None:
return Err.INVALID_TRANSACTIONS_GENERATOR_REFS_ROOT, None
# The generator_refs_root must be the hash of the concatenation of the List[uint32]
generator_refs_hash = std_hash(b"".join(
[bytes(i) for i in block.transactions_generator_ref_list]))
if block.transactions_info.generator_refs_root != generator_refs_hash:
return Err.INVALID_TRANSACTIONS_GENERATOR_REFS_ROOT, None
if len(block.transactions_generator_ref_list
) > constants.MAX_GENERATOR_REF_LIST_SIZE:
return Err.TOO_MANY_GENERATOR_REFS, None
if any([
index >= height
for index in block.transactions_generator_ref_list
]):
return Err.FUTURE_GENERATOR_REFS, None
if block.transactions_generator is not None:
# Get List of names removed, puzzles hashes for removed coins and conditions created
assert npc_result is not None
cost = calculate_cost_of_program(block.transactions_generator,
npc_result, constants.COST_PER_BYTE)
npc_list = npc_result.npc_list
# 7. Check that cost <= MAX_BLOCK_COST_CLVM
log.debug(
f"Cost: {cost} max: {constants.MAX_BLOCK_COST_CLVM} "
f"percent full: {round(100 * (cost / constants.MAX_BLOCK_COST_CLVM), 2)}%"
)
if cost > constants.MAX_BLOCK_COST_CLVM:
return Err.BLOCK_COST_EXCEEDS_MAX, None
# 8. The CLVM program must not return any errors
if npc_result.error is not None:
return Err(npc_result.error), None
for npc in npc_list:
removals.append(npc.coin_name)
removals_puzzle_dic[npc.coin_name] = npc.puzzle_hash
additions = additions_for_npc(npc_list)
else:
assert npc_result is None
# 9. Check that the correct cost is in the transactions info
if block.transactions_info.cost != cost:
return Err.INVALID_BLOCK_COST, None
additions_dic: Dict[bytes32, Coin] = {}
# 10. Check additions for max coin amount
# Be careful to check for 64 bit overflows in other languages. This is the max 64 bit unsigned integer
# We will not even reach here because Coins do type checking (uint64)
for coin in additions + coinbase_additions:
additions_dic[coin.name()] = coin
if coin.amount < 0:
return Err.COIN_AMOUNT_NEGATIVE, None
if coin.amount > constants.MAX_COIN_AMOUNT:
return Err.COIN_AMOUNT_EXCEEDS_MAXIMUM, None
# 11. Validate addition and removal roots
root_error = validate_block_merkle_roots(
block.foliage_transaction_block.additions_root,
block.foliage_transaction_block.removals_root,
additions + coinbase_additions,
removals,
)
if root_error:
return root_error, None
# 12. The additions and removals must result in the correct filter
byte_array_tx: List[bytes32] = []
for coin in additions + coinbase_additions:
# TODO: address hint error and remove ignore
# error: Argument 1 to "append" of "list" has incompatible type "bytearray"; expected "bytes32"
# [arg-type]
byte_array_tx.append(bytearray(
coin.puzzle_hash)) # type: ignore[arg-type]
for coin_name in removals:
# TODO: address hint error and remove ignore
# error: Argument 1 to "append" of "list" has incompatible type "bytearray"; expected "bytes32"
# [arg-type]
byte_array_tx.append(bytearray(coin_name)) # type: ignore[arg-type]
bip158: PyBIP158 = PyBIP158(byte_array_tx)
encoded_filter = bytes(bip158.GetEncoded())
filter_hash = std_hash(encoded_filter)
if filter_hash != block.foliage_transaction_block.filter_hash:
return Err.INVALID_TRANSACTIONS_FILTER_HASH, None
# 13. Check for duplicate outputs in additions
addition_counter = collections.Counter(
_.name() for _ in additions + coinbase_additions)
for k, v in addition_counter.items():
if v > 1:
return Err.DUPLICATE_OUTPUT, None
# 14. Check for duplicate spends inside block
removal_counter = collections.Counter(removals)
for k, v in removal_counter.items():
if v > 1:
return Err.DOUBLE_SPEND, None
# 15. Check if removals exist and were not previously spent. (unspent_db + diff_store + this_block)
# The fork point is the last block in common between the peak chain and the chain of `block`
if peak is None or height == 0:
fork_h: int = -1
elif fork_point_with_peak is not None:
fork_h = fork_point_with_peak
else:
fork_h = find_fork_point_in_chain(
blocks, peak, blocks.block_record(block.prev_header_hash))
# Get additions and removals since (after) fork_h but not including this block
# The values include: the coin that was added, the height of the block in which it was confirmed, and the
# timestamp of the block in which it was confirmed
additions_since_fork: Dict[bytes32, Tuple[Coin, uint32, uint64]] = {
} # This includes coinbase additions
removals_since_fork: Set[bytes32] = set()
# For height 0, there are no additions and removals before this block, so we can skip
if height > 0:
# First, get all the blocks in the fork > fork_h, < block.height
prev_block: Optional[FullBlock] = await block_store.get_full_block(
block.prev_header_hash)
reorg_blocks: Dict[uint32, FullBlock] = {}
curr: Optional[FullBlock] = prev_block
assert curr is not None
while curr.height > fork_h:
if curr.height == 0:
break
curr = await block_store.get_full_block(curr.prev_header_hash)
assert curr is not None
reorg_blocks[curr.height] = curr
if fork_h != -1:
assert len(reorg_blocks) == height - fork_h - 1
curr = prev_block
assert curr is not None
while curr.height > fork_h:
# Coin store doesn't contain coins from fork, we have to run generator for each block in fork
if curr.transactions_generator is not None:
# These blocks are in the past and therefore assumed to be valid, so get_block_generator won't raise
curr_block_generator: Optional[
BlockGenerator] = await get_block_generator(curr)
assert curr_block_generator is not None and curr.transactions_info is not None
curr_npc_result = get_name_puzzle_conditions(
curr_block_generator,
min(constants.MAX_BLOCK_COST_CLVM,
curr.transactions_info.cost),
cost_per_byte=constants.COST_PER_BYTE,
mempool_mode=False,
)
removals_in_curr, additions_in_curr = tx_removals_and_additions(
curr_npc_result.npc_list)
else:
removals_in_curr = []
additions_in_curr = []
for c_name in removals_in_curr:
assert c_name not in removals_since_fork
removals_since_fork.add(c_name)
for c in additions_in_curr:
assert c.name() not in additions_since_fork
assert curr.foliage_transaction_block is not None
additions_since_fork[c.name()] = (
c, curr.height, curr.foliage_transaction_block.timestamp)
for coinbase_coin in curr.get_included_reward_coins():
assert coinbase_coin.name() not in additions_since_fork
assert curr.foliage_transaction_block is not None
additions_since_fork[coinbase_coin.name()] = (
coinbase_coin,
curr.height,
curr.foliage_transaction_block.timestamp,
)
if curr.height == 0:
break
curr = reorg_blocks[curr.height - 1]
assert curr is not None
removal_coin_records: Dict[bytes32, CoinRecord] = {}
for rem in removals:
if rem in additions_dic:
# Ephemeral coin
rem_coin: Coin = additions_dic[rem]
new_unspent: CoinRecord = CoinRecord(
rem_coin,
height,
height,
False,
block.foliage_transaction_block.timestamp,
)
removal_coin_records[new_unspent.name] = new_unspent
else:
unspent = await coin_store.get_coin_record(rem)
if unspent is not None and unspent.confirmed_block_index <= fork_h:
# Spending something in the current chain, confirmed before fork
# (We ignore all coins confirmed after fork)
if unspent.spent == 1 and unspent.spent_block_index <= fork_h:
# Check for coins spent in an ancestor block
return Err.DOUBLE_SPEND, None
removal_coin_records[unspent.name] = unspent
else:
# This coin is not in the current heaviest chain, so it must be in the fork
if rem not in additions_since_fork:
# Check for spending a coin that does not exist in this fork
log.error(
f"Err.UNKNOWN_UNSPENT: COIN ID: {rem} NPC RESULT: {npc_result}"
)
return Err.UNKNOWN_UNSPENT, None
new_coin, confirmed_height, confirmed_timestamp = additions_since_fork[
rem]
new_coin_record: CoinRecord = CoinRecord(
new_coin,
confirmed_height,
uint32(0),
False,
confirmed_timestamp,
)
removal_coin_records[new_coin_record.name] = new_coin_record
# This check applies to both coins created before fork (pulled from coin_store),
# and coins created after fork (additions_since_fork)
if rem in removals_since_fork:
# This coin was spent in the fork
return Err.DOUBLE_SPEND_IN_FORK, None
removed = 0
for unspent in removal_coin_records.values():
removed += unspent.coin.amount
added = 0
for coin in additions:
added += coin.amount
# 16. Check that the total coin amount for added is <= removed
if removed < added:
return Err.MINTING_COIN, None
fees = removed - added
assert fees >= 0
assert_fee_sum: uint128 = uint128(0)
for npc in npc_list:
if ConditionOpcode.RESERVE_FEE in npc.condition_dict:
fee_list: List[ConditionWithArgs] = npc.condition_dict[
ConditionOpcode.RESERVE_FEE]
for cvp in fee_list:
fee = int_from_bytes(cvp.vars[0])
if fee < 0:
return Err.RESERVE_FEE_CONDITION_FAILED, None
assert_fee_sum = uint128(assert_fee_sum + fee)
# 17. Check that the assert fee sum <= fees, and that each reserved fee is non-negative
if fees < assert_fee_sum:
return Err.RESERVE_FEE_CONDITION_FAILED, None
# 18. Check that the fee amount + farmer reward < maximum coin amount
if fees + calculate_base_farmer_reward(height) > constants.MAX_COIN_AMOUNT:
return Err.COIN_AMOUNT_EXCEEDS_MAXIMUM, None
# 19. Check that the computed fees are equal to the fees in the block header
if block.transactions_info.fees != fees:
return Err.INVALID_BLOCK_FEE_AMOUNT, None
# 20. Verify that removed coin puzzle_hashes match with calculated puzzle_hashes
for unspent in removal_coin_records.values():
if unspent.coin.puzzle_hash != removals_puzzle_dic[unspent.name]:
return Err.WRONG_PUZZLE_HASH, None
# 21. Verify conditions
for npc in npc_list:
assert height is not None
unspent = removal_coin_records[npc.coin_name]
error = mempool_check_conditions_dict(
unspent,
npc.condition_dict,
prev_transaction_block_height,
block.foliage_transaction_block.timestamp,
)
if error:
return error, None
# create hash_key list for aggsig check
pairs_pks, pairs_msgs = pkm_pairs(npc_list,
constants.AGG_SIG_ME_ADDITIONAL_DATA)
# 22. Verify aggregated signature
# TODO: move this to pre_validate_blocks_multiprocessing so we can sync faster
if not block.transactions_info.aggregated_signature:
return Err.BAD_AGGREGATE_SIGNATURE, None
# The pairing cache is not useful while syncing as each pairing is seen
# only once, so the extra effort of populating it is not justified.
# However, we force caching of pairings just for unfinished blocks
# as the cache is likely to be useful when validating the corresponding
# finished blocks later.
if validate_signature:
force_cache: bool = isinstance(block, UnfinishedBlock)
if not cached_bls.aggregate_verify(
pairs_pks, pairs_msgs,
block.transactions_info.aggregated_signature, force_cache):
return Err.BAD_AGGREGATE_SIGNATURE, None
return None, npc_result
async def _sync(self) -> None:
"""
Wallet has fallen far behind (or is starting up for the first time), and must be synced
up to the LCA of the blockchain.
"""
if self.wallet_state_manager is None or self.backup_initialized is False or self.server is None:
return None
highest_weight: uint128 = uint128(0)
peak_height: uint32 = uint32(0)
peak: Optional[HeaderBlock] = None
potential_peaks: List[
Tuple[bytes32, HeaderBlock]
] = self.wallet_state_manager.sync_store.get_potential_peaks_tuples()
self.log.info(f"Have collected {len(potential_peaks)} potential peaks")
for header_hash, potential_peak_block in potential_peaks:
if potential_peak_block.weight > highest_weight:
highest_weight = potential_peak_block.weight
peak_height = potential_peak_block.height
peak = potential_peak_block
if peak_height is None or peak_height == 0:
return None
if self.wallet_state_manager.peak is not None and highest_weight <= self.wallet_state_manager.peak.weight:
self.log.info("Not performing sync, already caught up.")
return None
peers: List[WSChiaConnection] = self.server.get_full_node_connections()
if len(peers) == 0:
self.log.info("No peers to sync to")
return None
async with self.wallet_state_manager.blockchain.lock:
fork_height = None
if peak is not None:
fork_height = self.wallet_state_manager.sync_store.get_potential_fork_point(peak.header_hash)
our_peak_height = self.wallet_state_manager.blockchain.get_peak_height()
ses_heigths = self.wallet_state_manager.blockchain.get_ses_heights()
if len(ses_heigths) > 2 and our_peak_height is not None:
ses_heigths.sort()
max_fork_ses_height = ses_heigths[-3]
# This is the fork point in SES in the case where no fork was detected
if (
self.wallet_state_manager.blockchain.get_peak_height() is not None
and fork_height == max_fork_ses_height
):
peers = self.server.get_full_node_connections()
for peer in peers:
# Grab a block at peak + 1 and check if fork point is actually our current height
potential_height = uint32(our_peak_height + 1)
block_response: Optional[Any] = await peer.request_header_blocks(
wallet_protocol.RequestHeaderBlocks(potential_height, potential_height)
)
if block_response is not None and isinstance(
block_response, wallet_protocol.RespondHeaderBlocks
):
our_peak = self.wallet_state_manager.blockchain.get_peak()
if (
our_peak is not None
and block_response.header_blocks[0].prev_header_hash == our_peak.header_hash
):
fork_height = our_peak_height
break
if fork_height is None:
fork_height = uint32(0)
await self.wallet_state_manager.blockchain.warmup(fork_height)
batch_size = self.constants.MAX_BLOCK_COUNT_PER_REQUESTS
advanced_peak = False
for i in range(max(0, fork_height - 1), peak_height, batch_size):
start_height = i
end_height = min(peak_height, start_height + batch_size)
peers = self.server.get_full_node_connections()
added = False
for peer in peers:
try:
added, advanced_peak = await self.fetch_blocks_and_validate(
peer, uint32(start_height), uint32(end_height), None if advanced_peak else fork_height
)
if added:
break
except Exception as e:
await peer.close()
exc = traceback.format_exc()
self.log.error(f"Error while trying to fetch from peer:{e} {exc}")
if not added:
raise RuntimeError(f"Was not able to add blocks {start_height}-{end_height}")
peak = self.wallet_state_manager.blockchain.get_peak()
assert peak is not None
self.wallet_state_manager.blockchain.clean_block_record(
min(
end_height - self.constants.BLOCKS_CACHE_SIZE,
peak.height - self.constants.BLOCKS_CACHE_SIZE,
)
)
async def _sync(self) -> None:
"""
Wallet has fallen far behind (or is starting up for the first time), and must be synced
up to the LCA of the blockchain.
"""
if self.wallet_state_manager is None or self.backup_initialized is False or self.server is None:
return
highest_weight: uint128 = uint128(0)
peak_height: uint32 = uint32(0)
peak: Optional[HeaderBlock] = None
potential_peaks: List[Tuple[
bytes32,
HeaderBlock]] = self.wallet_state_manager.sync_store.get_potential_peaks_tuples(
)
self.log.info(f"Have collected {len(potential_peaks)} potential peaks")
for header_hash, potential_peak_block in potential_peaks:
if potential_peak_block.weight > highest_weight:
highest_weight = potential_peak_block.weight
peak_height = potential_peak_block.height
peak = potential_peak_block
if peak_height is None or peak_height == 0:
return
if self.wallet_state_manager.peak is not None and highest_weight <= self.wallet_state_manager.peak.weight:
self.log.info("Not performing sync, already caught up.")
return
peers: List[WSChiaConnection] = self.server.get_full_node_connections()
if len(peers) == 0:
self.log.info("No peers to sync to")
return
await self.wallet_state_manager.blockchain.lock.acquire()
try:
fork_height = None
if peak is not None:
fork_height = self.wallet_state_manager.sync_store.get_potential_fork_point(
peak.header_hash)
if fork_height is None:
fork_height = uint32(0)
await self.wallet_state_manager.blockchain.warmup(fork_height)
batch_size = self.constants.MAX_BLOCK_COUNT_PER_REQUESTS
advanced_peak = False
for i in range(max(0, fork_height - 1), peak_height, batch_size):
start_height = i
end_height = min(peak_height, start_height + batch_size)
peers = self.server.get_full_node_connections()
added = False
for peer in peers:
try:
added, advanced_peak = await self.fetch_blocks_and_validate(
peer, uint32(start_height), uint32(end_height),
None if advanced_peak else fork_height)
if added:
break
except Exception as e:
await peer.close()
exc = traceback.format_exc()
self.log.error(
f"Error while trying to fetch from peer:{e} {exc}")
if not added:
raise RuntimeError(
f"Was not able to add blocks {start_height}-{end_height}"
)
peak = self.wallet_state_manager.blockchain.get_peak()
assert peak is not None
self.wallet_state_manager.blockchain.clean_block_record(
min(
end_height - self.constants.BLOCKS_CACHE_SIZE,
peak.height - self.constants.BLOCKS_CACHE_SIZE,
))
finally:
self.wallet_state_manager.blockchain.lock.release()
async def _sync(self) -> None:
"""
Wallet has fallen far behind (or is starting up for the first time), and must be synced
up to the LCA of the blockchain.
"""
if self.wallet_state_manager is None or self.backup_initialized is False or self.server is None:
return None
highest_weight: uint128 = uint128(0)
peak_height: uint32 = uint32(0)
peak: Optional[HeaderBlock] = None
potential_peaks: List[
Tuple[bytes32, HeaderBlock]
] = self.wallet_state_manager.sync_store.get_potential_peaks_tuples()
self.log.info(f"Have collected {len(potential_peaks)} potential peaks")
for header_hash, potential_peak_block in potential_peaks:
if potential_peak_block.weight > highest_weight:
highest_weight = potential_peak_block.weight
peak_height = potential_peak_block.height
peak = potential_peak_block
if peak_height is None or peak_height == 0:
return None
if self.wallet_state_manager.peak is not None and highest_weight <= self.wallet_state_manager.peak.weight:
self.log.info("Not performing sync, already caught up.")
return None
peers: List[WSChiaConnection] = self.server.get_full_node_connections()
if len(peers) == 0:
self.log.info("No peers to sync to")
return None
async with self.wallet_state_manager.blockchain.lock:
fork_height = None
if peak is not None:
fork_height = self.wallet_state_manager.sync_store.get_potential_fork_point(peak.header_hash)
our_peak_height = self.wallet_state_manager.blockchain.get_peak_height()
ses_heigths = self.wallet_state_manager.blockchain.get_ses_heights()
if len(ses_heigths) > 2 and our_peak_height is not None:
ses_heigths.sort()
max_fork_ses_height = ses_heigths[-3]
# This is the fork point in SES in the case where no fork was detected
if (
self.wallet_state_manager.blockchain.get_peak_height() is not None
and fork_height == max_fork_ses_height
):
peers = self.server.get_full_node_connections()
for peer in peers:
# Grab a block at peak + 1 and check if fork point is actually our current height
potential_height = uint32(our_peak_height + 1)
block_response: Optional[Any] = await peer.request_header_blocks(
wallet_protocol.RequestHeaderBlocks(potential_height, potential_height)
)
if block_response is not None and isinstance(
block_response, wallet_protocol.RespondHeaderBlocks
):
our_peak = self.wallet_state_manager.blockchain.get_peak()
if (
our_peak is not None
and block_response.header_blocks[0].prev_header_hash == our_peak.header_hash
):
fork_height = our_peak_height
break
if fork_height is None:
fork_height = uint32(0)
await self.wallet_state_manager.blockchain.warmup(fork_height)
await self.batch_sync_to_peak(fork_height, peak)
def ip_sub_slot_total_iters(self,
constants: ConsensusConstants) -> uint128:
return uint128(self.total_iters - self.ip_iters(constants))
async def run_add_block_benchmark(version: int):
verbose: bool = "--verbose" in sys.argv
db_wrapper: DBWrapper = await setup_db("block-store-benchmark.db", version)
# keep track of benchmark total time
all_test_time = 0.0
prev_block = bytes32([0] * 32)
prev_ses_hash = bytes32([0] * 32)
header_hashes = []
try:
block_store = await BlockStore.create(db_wrapper)
block_height = 1
timestamp = uint64(1631794488)
weight = uint128(10)
iters = uint128(123456)
sp_index = uint8(0)
deficit = uint8(0)
sub_slot_iters = uint64(10)
required_iters = uint64(100)
transaction_block_counter = 0
prev_transaction_block = bytes32([0] * 32)
prev_transaction_height = uint32(0)
total_time = 0.0
ses_counter = 0
if verbose:
print("profiling add_full_block", end="")
for height in range(block_height, block_height + NUM_ITERS):
is_transaction = transaction_block_counter == 0
fees = uint64(random.randint(0, 150000))
farmer_coin, pool_coin = rewards(uint32(height))
reward_claims_incorporated = [farmer_coin, pool_coin]
# TODO: increase fidelity by setting these as well
finished_challenge_slot_hashes = None
finished_infused_challenge_slot_hashes = None
finished_reward_slot_hashes = None
sub_epoch_summary_included = None
if ses_counter == 0:
sub_epoch_summary_included = SubEpochSummary(
prev_ses_hash,
rand_hash(),
uint8(random.randint(0,
255)), # num_blocks_overflow: uint8
None, # new_difficulty: Optional[uint64]
None, # new_sub_slot_iters: Optional[uint64]
)
has_pool_pk = random.randint(0, 1)
proof_of_space = ProofOfSpace(
rand_hash(), # challenge
rand_g1() if has_pool_pk else None,
rand_hash() if not has_pool_pk else None,
rand_g1(), # plot_public_key
uint8(32),
rand_bytes(8 * 32),
)
reward_chain_block = RewardChainBlock(
weight,
uint32(height),
iters,
sp_index,
rand_hash(), # pos_ss_cc_challenge_hash
proof_of_space,
None if sp_index == 0 else rand_vdf(),
rand_g2(), # challenge_chain_sp_signature
rand_vdf(), # challenge_chain_ip_vdf
rand_vdf() if sp_index != 0 else None, # reward_chain_sp_vdf
rand_g2(), # reward_chain_sp_signature
rand_vdf(), # reward_chain_ip_vdf
rand_vdf() if deficit < 16 else None,
is_transaction,
)
pool_target = PoolTarget(
rand_hash(), # puzzle_hash
uint32(0), # max_height
)
foliage_block_data = FoliageBlockData(
rand_hash(), # unfinished_reward_block_hash
pool_target,
rand_g2() if has_pool_pk else None, # pool_signature
rand_hash(), # farmer_reward_puzzle_hash
bytes32([0] * 32), # extension_data
)
foliage = Foliage(
prev_block,
rand_hash(), # reward_block_hash
foliage_block_data,
rand_g2(), # foliage_block_data_signature
rand_hash()
if is_transaction else None, # foliage_transaction_block_hash
rand_g2() if is_transaction else
None, # foliage_transaction_block_signature
)
foliage_transaction_block = (
None if not is_transaction else FoliageTransactionBlock(
prev_transaction_block,
timestamp,
rand_hash(), # filter_hash
rand_hash(), # additions_root
rand_hash(), # removals_root
rand_hash(), # transactions_info_hash
))
transactions_info = (
None if not is_transaction else TransactionsInfo(
rand_hash(), # generator_root
rand_hash(), # generator_refs_root
rand_g2(), # aggregated_signature
fees,
uint64(random.randint(0, 12000000000)), # cost
reward_claims_incorporated,
))
full_block = FullBlock(
[], # finished_sub_slots
reward_chain_block,
rand_vdf_proof()
if sp_index > 0 else None, # challenge_chain_sp_proof
rand_vdf_proof(), # challenge_chain_ip_proof
rand_vdf_proof()
if sp_index > 0 else None, # reward_chain_sp_proof
rand_vdf_proof(), # reward_chain_ip_proof
rand_vdf_proof()
if deficit < 4 else None, # infused_challenge_chain_ip_proof
foliage,
foliage_transaction_block,
transactions_info,
None if is_transaction else SerializedProgram.from_bytes(
clvm_generator), # transactions_generator
[], # transactions_generator_ref_list
)
header_hash = full_block.header_hash
record = BlockRecord(
header_hash,
prev_block,
uint32(height),
weight,
iters,
sp_index,
rand_class_group_element(),
None if deficit > 3 else rand_class_group_element(),
rand_hash(), # reward_infusion_new_challenge
rand_hash(), # challenge_block_info_hash
sub_slot_iters,
rand_hash(), # pool_puzzle_hash
rand_hash(), # farmer_puzzle_hash
required_iters,
deficit,
deficit == 16,
prev_transaction_height,
timestamp if is_transaction else None,
prev_transaction_block
if prev_transaction_block != bytes32([0] * 32) else None,
None if fees == 0 else fees,
reward_claims_incorporated,
finished_challenge_slot_hashes,
finished_infused_challenge_slot_hashes,
finished_reward_slot_hashes,
sub_epoch_summary_included,
)
start = time()
await block_store.add_full_block(header_hash, full_block, record,
False)
await block_store.set_in_chain([(header_hash, )])
header_hashes.append(header_hash)
await block_store.set_peak(header_hash)
await db_wrapper.db.commit()
stop = time()
total_time += stop - start
# 19 seconds per block
timestamp = uint64(timestamp + 19)
weight = uint128(weight + 10)
iters = uint128(iters + 123456)
sp_index = uint8((sp_index + 1) % 64)
deficit = uint8((deficit + 3) % 17)
ses_counter = (ses_counter + 1) % 384
prev_block = header_hash
# every 33 blocks is a transaction block
transaction_block_counter = (transaction_block_counter + 1) % 33
if is_transaction:
prev_transaction_block = header_hash
prev_transaction_height = uint32(height)
if ses_counter == 0:
prev_ses_hash = header_hash
if verbose:
print(".", end="")
sys.stdout.flush()
block_height += NUM_ITERS
if verbose:
print("")
print(f"{total_time:0.4f}s, add_full_block")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_full_block")
random.shuffle(header_hashes)
start = time()
for h in header_hashes:
block = await block_store.get_full_block(h)
assert block.header_hash == h
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_full_block")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_full_block_bytes")
start = time()
for h in header_hashes:
block = await block_store.get_full_block_bytes(h)
assert len(block) > 0
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_full_block_bytes")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_full_blocks_at")
start = time()
for h in range(1, block_height):
blocks = await block_store.get_full_blocks_at([h])
assert len(blocks) == 1
assert blocks[0].height == h
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_full_blocks_at")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_block_records_by_hash")
start = time()
for h in header_hashes:
blocks = await block_store.get_block_records_by_hash([h])
assert len(blocks) == 1
assert blocks[0].header_hash == h
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_block_records_by_hash")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_blocks_by_hash")
start = time()
for h in header_hashes:
blocks = await block_store.get_blocks_by_hash([h])
assert len(blocks) == 1
assert blocks[0].header_hash == h
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_blocks_by_hash")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_block_record")
start = time()
for h in header_hashes:
blocks = await block_store.get_block_record(h)
assert blocks.header_hash == h
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_block_record")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_block_records_in_range")
start = time()
for i in range(100):
h = random.randint(1, block_height - 100)
blocks = await block_store.get_block_records_in_range(h, h + 99)
assert len(blocks) == 100
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_block_records_in_range")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_block_records_close_to_peak")
start = time()
blocks, peak = await block_store.get_block_records_close_to_peak(99)
assert len(blocks) == 100
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_block_records_close_to_peak")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling is_fully_compactified")
start = time()
for h in header_hashes:
compactified = await block_store.is_fully_compactified(h)
assert compactified is False
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_block_record")
all_test_time += total_time
total_time = 0.0
if verbose:
print("profiling get_random_not_compactified")
start = time()
for i in range(1, 5000):
blocks = await block_store.get_random_not_compactified(100)
assert len(blocks) == 100
stop = time()
total_time += stop - start
print(f"{total_time:0.4f}s, get_random_not_compactified")
all_test_time += total_time
print(f"all tests completed in {all_test_time:0.4f}s")
db_size = os.path.getsize(Path("block-store-benchmark.db"))
print(f"database size: {db_size/1000000:.3f} MB")
finally:
await db_wrapper.db.close()
def set_state(self, state: Union[timelord_protocol.NewPeakTimelord,
EndOfSubSlotBundle]):
if isinstance(state, timelord_protocol.NewPeakTimelord):
self.state_type = StateType.PEAK
self.peak = state
self.subslot_end = None
_, self.last_ip = iters_from_block(
self.constants,
state.reward_chain_block,
state.sub_slot_iters,
state.difficulty,
)
self.deficit = state.deficit
self.sub_epoch_summary = state.sub_epoch_summary
self.last_weight = state.reward_chain_block.weight
self.last_height = state.reward_chain_block.height
self.total_iters = state.reward_chain_block.total_iters
self.last_peak_challenge = state.reward_chain_block.get_hash()
self.difficulty = state.difficulty
self.sub_slot_iters = state.sub_slot_iters
if state.reward_chain_block.is_transaction_block:
self.last_block_total_iters = self.total_iters
self.reward_challenge_cache = state.previous_reward_challenges
self.last_challenge_sb_or_eos_total_iters = self.peak.last_challenge_sb_or_eos_total_iters
self.new_epoch = False
if (self.peak.reward_chain_block.height +
1) % self.constants.SUB_EPOCH_BLOCKS == 0:
self.passed_ses_height_but_not_yet_included = True
else:
self.passed_ses_height_but_not_yet_included = state.passes_ses_height_but_not_yet_included
log.warning(
f"Signage point index: {self.peak.reward_chain_block.signage_point_index}"
)
elif isinstance(state, EndOfSubSlotBundle):
self.state_type = StateType.END_OF_SUB_SLOT
if self.peak is not None:
self.total_iters = uint128(self.total_iters -
self.get_last_ip() +
self.sub_slot_iters)
else:
self.total_iters = uint128(self.total_iters +
self.sub_slot_iters)
self.peak = None
self.subslot_end = state
self.last_ip = uint64(0)
self.deficit = state.reward_chain.deficit
if state.challenge_chain.new_difficulty is not None:
assert state.challenge_chain.new_sub_slot_iters is not None
self.difficulty = state.challenge_chain.new_difficulty
self.sub_slot_iters = state.challenge_chain.new_sub_slot_iters
self.new_epoch = True
else:
self.new_epoch = False
if state.challenge_chain.subepoch_summary_hash is not None:
self.infused_ses = True
self.passed_ses_height_but_not_yet_included = False
else:
self.infused_ses = False
self.passed_ses_height_but_not_yet_included = self.passed_ses_height_but_not_yet_included
self.last_challenge_sb_or_eos_total_iters = self.total_iters
else:
self.passed_ses_height_but_not_yet_included = self.passed_ses_height_but_not_yet_included
self.new_epoch = False
self.reward_challenge_cache.append(
(self.get_challenge(Chain.REWARD_CHAIN), self.total_iters))
log.info(
f"Updated timelord peak to {self.get_challenge(Chain.REWARD_CHAIN)}, total iters: {self.total_iters}"
)
while len(self.reward_challenge_cache
) > 2 * self.constants.MAX_SUB_SLOT_BLOCKS:
self.reward_challenge_cache.pop(0)
def new_finished_sub_slot(
self,
eos: EndOfSubSlotBundle,
blocks: BlockchainInterface,
peak: Optional[BlockRecord],
peak_full_block: Optional[FullBlock],
) -> Optional[List[timelord_protocol.NewInfusionPointVDF]]:
"""
Returns false if not added. Returns a list if added. The list contains all infusion points that depended
on this sub slot
"""
assert len(self.finished_sub_slots) >= 1
assert (peak is None) == (peak_full_block is None)
last_slot, _, last_slot_iters = self.finished_sub_slots[-1]
cc_challenge: bytes32 = (last_slot.challenge_chain.get_hash()
if last_slot is not None else
self.constants.GENESIS_CHALLENGE)
rc_challenge: bytes32 = (last_slot.reward_chain.get_hash()
if last_slot is not None else
self.constants.GENESIS_CHALLENGE)
icc_challenge: Optional[bytes32] = None
icc_iters: Optional[uint64] = None
# Skip if already present
for slot, _, _ in self.finished_sub_slots:
if slot == eos:
return []
if eos.challenge_chain.challenge_chain_end_of_slot_vdf.challenge != cc_challenge:
# This slot does not append to our next slot
# This prevent other peers from appending fake VDFs to our cache
return None
if peak is None:
sub_slot_iters = self.constants.SUB_SLOT_ITERS_STARTING
else:
sub_slot_iters = peak.sub_slot_iters
total_iters = uint128(last_slot_iters + sub_slot_iters)
if peak is not None and peak.total_iters > last_slot_iters:
# Peak is in this slot
rc_challenge = eos.reward_chain.end_of_slot_vdf.challenge
cc_start_element = peak.challenge_vdf_output
iters = uint64(total_iters - peak.total_iters)
if peak.reward_infusion_new_challenge != rc_challenge:
# We don't have this challenge hash yet
if rc_challenge not in self.future_eos_cache:
self.future_eos_cache[rc_challenge] = []
self.future_eos_cache[rc_challenge].append(eos)
self.future_cache_key_times[rc_challenge] = int(time.time())
log.info(
f"Don't have challenge hash {rc_challenge}, caching EOS")
return None
if peak.deficit == self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK:
icc_start_element = None
elif peak.deficit == self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK - 1:
icc_start_element = ClassgroupElement.get_default_element()
else:
icc_start_element = peak.infused_challenge_vdf_output
if peak.deficit < self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK:
curr = peak
while not curr.first_in_sub_slot and not curr.is_challenge_block(
self.constants):
curr = blocks.block_record(curr.prev_hash)
if curr.is_challenge_block(self.constants):
icc_challenge = curr.challenge_block_info_hash
icc_iters = uint64(total_iters - curr.total_iters)
else:
assert curr.finished_infused_challenge_slot_hashes is not None
icc_challenge = curr.finished_infused_challenge_slot_hashes[
-1]
icc_iters = sub_slot_iters
assert icc_challenge is not None
if can_finish_sub_and_full_epoch(
self.constants,
blocks,
peak.height,
peak.prev_hash,
peak.deficit,
peak.sub_epoch_summary_included is not None,
)[0]:
assert peak_full_block is not None
ses: Optional[SubEpochSummary] = next_sub_epoch_summary(
self.constants, blocks, peak.required_iters,
peak_full_block, True)
if ses is not None:
if eos.challenge_chain.subepoch_summary_hash != ses.get_hash(
):
log.warning(
f"SES not correct {ses.get_hash(), eos.challenge_chain}"
)
return None
else:
if eos.challenge_chain.subepoch_summary_hash is not None:
log.warning("SES not correct, should be None")
return None
else:
# This is on an empty slot
cc_start_element = ClassgroupElement.get_default_element()
icc_start_element = ClassgroupElement.get_default_element()
iters = sub_slot_iters
icc_iters = sub_slot_iters
# The icc should only be present if the previous slot had an icc too, and not deficit 0 (just finished slot)
icc_challenge = (last_slot.infused_challenge_chain.get_hash()
if last_slot is not None
and last_slot.infused_challenge_chain is not None
and last_slot.reward_chain.deficit !=
self.constants.MIN_BLOCKS_PER_CHALLENGE_BLOCK else
None)
# Validate cc VDF
partial_cc_vdf_info = VDFInfo(
cc_challenge,
iters,
eos.challenge_chain.challenge_chain_end_of_slot_vdf.output,
)
# The EOS will have the whole sub-slot iters, but the proof is only the delta, from the last peak
if eos.challenge_chain.challenge_chain_end_of_slot_vdf != dataclasses.replace(
partial_cc_vdf_info,
number_of_iterations=sub_slot_iters,
):
return None
if (not eos.proofs.challenge_chain_slot_proof.normalized_to_identity
and not eos.proofs.challenge_chain_slot_proof.is_valid(
self.constants,
cc_start_element,
partial_cc_vdf_info,
)):
return None
if (eos.proofs.challenge_chain_slot_proof.normalized_to_identity
and not eos.proofs.challenge_chain_slot_proof.is_valid(
self.constants,
ClassgroupElement.get_default_element(),
eos.challenge_chain.challenge_chain_end_of_slot_vdf,
)):
return None
# Validate reward chain VDF
if not eos.proofs.reward_chain_slot_proof.is_valid(
self.constants,
ClassgroupElement.get_default_element(),
eos.reward_chain.end_of_slot_vdf,
VDFInfo(rc_challenge, iters,
eos.reward_chain.end_of_slot_vdf.output),
):
return None
if icc_challenge is not None:
assert icc_start_element is not None
assert icc_iters is not None
assert eos.infused_challenge_chain is not None
assert eos.infused_challenge_chain is not None
assert eos.proofs.infused_challenge_chain_slot_proof is not None
partial_icc_vdf_info = VDFInfo(
icc_challenge,
iters,
eos.infused_challenge_chain.
infused_challenge_chain_end_of_slot_vdf.output,
)
# The EOS will have the whole sub-slot iters, but the proof is only the delta, from the last peak
if eos.infused_challenge_chain.infused_challenge_chain_end_of_slot_vdf != dataclasses.replace(
partial_icc_vdf_info,
number_of_iterations=icc_iters,
):
return None
if (not eos.proofs.infused_challenge_chain_slot_proof.
normalized_to_identity and
not eos.proofs.infused_challenge_chain_slot_proof.is_valid(
self.constants, icc_start_element,
partial_icc_vdf_info)):
return None
if (eos.proofs.infused_challenge_chain_slot_proof.
normalized_to_identity and
not eos.proofs.infused_challenge_chain_slot_proof.is_valid(
self.constants,
ClassgroupElement.get_default_element(),
eos.infused_challenge_chain.
infused_challenge_chain_end_of_slot_vdf,
)):
return None
else:
# This is the first sub slot and it's empty, therefore there is no ICC
if eos.infused_challenge_chain is not None or eos.proofs.infused_challenge_chain_slot_proof is not None:
return None
self.finished_sub_slots.append(
(eos, [None] * self.constants.NUM_SPS_SUB_SLOT, total_iters))
new_ips: List[timelord_protocol.NewInfusionPointVDF] = []
for ip in self.future_ip_cache.get(eos.reward_chain.get_hash(), []):
new_ips.append(ip)
return new_ips
async def test_basic_store(self,
empty_blockchain,
normalized_to_identity: bool = False):
blockchain = empty_blockchain
blocks = bt.get_consecutive_blocks(
10,
seed=b"1234",
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
store = await FullNodeStore.create(test_constants)
unfinished_blocks = []
for block in blocks:
unfinished_blocks.append(
UnfinishedBlock(
block.finished_sub_slots,
block.reward_chain_block.get_unfinished(),
block.challenge_chain_sp_proof,
block.reward_chain_sp_proof,
block.foliage,
block.foliage_transaction_block,
block.transactions_info,
block.transactions_generator,
[],
))
# Add/get candidate block
assert store.get_candidate_block(
unfinished_blocks[0].get_hash()) is None
for height, unf_block in enumerate(unfinished_blocks):
store.add_candidate_block(unf_block.get_hash(), height, unf_block)
assert store.get_candidate_block(
unfinished_blocks[4].get_hash()) == unfinished_blocks[4]
store.clear_candidate_blocks_below(uint32(8))
assert store.get_candidate_block(
unfinished_blocks[5].get_hash()) is None
assert store.get_candidate_block(
unfinished_blocks[8].get_hash()) is not None
# Test seen unfinished blocks
h_hash_1 = bytes32(token_bytes(32))
assert not store.seen_unfinished_block(h_hash_1)
assert store.seen_unfinished_block(h_hash_1)
store.clear_seen_unfinished_blocks()
assert not store.seen_unfinished_block(h_hash_1)
# Add/get unfinished block
for height, unf_block in enumerate(unfinished_blocks):
assert store.get_unfinished_block(unf_block.partial_hash) is None
store.add_unfinished_block(
height, unf_block,
PreValidationResult(None, uint64(123532), None))
assert store.get_unfinished_block(
unf_block.partial_hash) == unf_block
store.remove_unfinished_block(unf_block.partial_hash)
assert store.get_unfinished_block(unf_block.partial_hash) is None
blocks = bt.get_consecutive_blocks(
1,
skip_slots=5,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
)
sub_slots = blocks[0].finished_sub_slots
assert len(sub_slots) == 5
assert (store.get_finished_sub_slots(
BlockCache({}),
None,
sub_slots[0].challenge_chain.challenge_chain_end_of_slot_vdf.
challenge,
) == [])
# Test adding non-connecting sub-slots genesis
assert store.get_sub_slot(test_constants.GENESIS_CHALLENGE) is None
assert store.get_sub_slot(
sub_slots[0].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[1].challenge_chain.get_hash()) is None
assert store.new_finished_sub_slot(sub_slots[1], {}, None,
None) is None
assert store.new_finished_sub_slot(sub_slots[2], {}, None,
None) is None
# Test adding sub-slots after genesis
assert store.new_finished_sub_slot(sub_slots[0], {}, None,
None) is not None
assert store.get_sub_slot(
sub_slots[0].challenge_chain.get_hash())[0] == sub_slots[0]
assert store.get_sub_slot(
sub_slots[1].challenge_chain.get_hash()) is None
assert store.new_finished_sub_slot(sub_slots[1], {}, None,
None) is not None
for i in range(len(sub_slots)):
assert store.new_finished_sub_slot(sub_slots[i], {}, None,
None) is not None
assert store.get_sub_slot(
sub_slots[i].challenge_chain.get_hash())[0] == sub_slots[i]
assert store.get_finished_sub_slots(
BlockCache({}), None,
sub_slots[-1].challenge_chain.get_hash()) == sub_slots
assert store.get_finished_sub_slots(BlockCache(
{}), None, std_hash(b"not a valid hash")) is None
assert (store.get_finished_sub_slots(
BlockCache({}), None,
sub_slots[-2].challenge_chain.get_hash()) == sub_slots[:-1])
# Test adding genesis peak
await blockchain.receive_block(blocks[0])
peak = blockchain.get_peak()
peak_full_block = await blockchain.get_full_peak()
if peak.overflow:
store.new_peak(peak, peak_full_block, sub_slots[-2], sub_slots[-1],
False, {})
else:
store.new_peak(peak, peak_full_block, None, sub_slots[-1], False,
{})
assert store.get_sub_slot(
sub_slots[0].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[1].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[2].challenge_chain.get_hash()) is None
if peak.overflow:
assert store.get_sub_slot(
sub_slots[3].challenge_chain.get_hash())[0] == sub_slots[3]
else:
assert store.get_sub_slot(
sub_slots[3].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[4].challenge_chain.get_hash())[0] == sub_slots[4]
assert (store.get_finished_sub_slots(
blockchain,
peak,
sub_slots[-1].challenge_chain.get_hash(),
) == [])
# Test adding non genesis peak directly
blocks = bt.get_consecutive_blocks(
2,
skip_slots=2,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
blocks = bt.get_consecutive_blocks(
3,
block_list_input=blocks,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for block in blocks:
await blockchain.receive_block(block)
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, False,
blockchain)
assert res[0] is None
# Add reorg blocks
blocks_reorg = bt.get_consecutive_blocks(
20,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for block in blocks_reorg:
res, _, _ = await blockchain.receive_block(block)
if res == ReceiveBlockResult.NEW_PEAK:
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, True,
blockchain)
assert res[0] is None
# Add slots to the end
blocks_2 = bt.get_consecutive_blocks(
1,
block_list_input=blocks_reorg,
skip_slots=2,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for slot in blocks_2[-1].finished_sub_slots:
store.new_finished_sub_slot(slot, blockchain,
blockchain.get_peak(), await
blockchain.get_full_peak())
assert store.get_sub_slot(
sub_slots[3].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[4].challenge_chain.get_hash()) is None
# Test adding signage point
peak = blockchain.get_peak()
ss_start_iters = peak.ip_sub_slot_total_iters(test_constants)
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
blockchain,
peak,
ss_start_iters,
uint8(i),
[],
peak.sub_slot_iters,
)
assert store.new_signage_point(i, blockchain, peak,
peak.sub_slot_iters, sp)
blocks = blocks_reorg
while True:
blocks = bt.get_consecutive_blocks(
1,
block_list_input=blocks,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
res, _, _ = await blockchain.receive_block(blocks[-1])
if res == ReceiveBlockResult.NEW_PEAK:
sb = blockchain.block_record(blocks[-1].header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
blocks[-1].header_hash)
res = store.new_peak(sb, blocks[-1], sp_sub_slot, ip_sub_slot,
True, blockchain)
assert res[0] is None
if sb.overflow and sp_sub_slot is not None:
assert sp_sub_slot != ip_sub_slot
break
peak = blockchain.get_peak()
assert peak.overflow
# Overflow peak should result in 2 finished sub slots
assert len(store.finished_sub_slots) == 2
# Add slots to the end, except for the last one, which we will use to test invalid SP
blocks_2 = bt.get_consecutive_blocks(
1,
block_list_input=blocks,
skip_slots=3,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for slot in blocks_2[-1].finished_sub_slots[:-1]:
store.new_finished_sub_slot(slot, blockchain,
blockchain.get_peak(), await
blockchain.get_full_peak())
finished_sub_slots = blocks_2[-1].finished_sub_slots
assert len(store.finished_sub_slots) == 4
# Test adding signage points for overflow blocks (sp_sub_slot)
ss_start_iters = peak.sp_sub_slot_total_iters(test_constants)
# for i in range(peak.signage_point_index, test_constants.NUM_SPS_SUB_SLOT):
# if i < peak.signage_point_index:
# continue
# latest = peak
# while latest.total_iters > peak.sp_total_iters(test_constants):
# latest = blockchain.blocks[latest.prev_hash]
# sp = get_signage_point(
# test_constants,
# blockchain.blocks,
# latest,
# ss_start_iters,
# uint8(i),
# [],
# peak.sub_slot_iters,
# )
# assert store.new_signage_point(i, blockchain.blocks, peak, peak.sub_slot_iters, sp)
# Test adding signage points for overflow blocks (ip_sub_slot)
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
blockchain,
peak,
peak.ip_sub_slot_total_iters(test_constants),
uint8(i),
[],
peak.sub_slot_iters,
)
assert store.new_signage_point(i, blockchain, peak,
peak.sub_slot_iters, sp)
# Test adding future signage point, a few slots forward (good)
saved_sp_hash = None
for slot_offset in range(1, len(finished_sub_slots)):
for i in range(
1,
test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA,
):
sp = get_signage_point(
test_constants,
blockchain,
peak,
peak.ip_sub_slot_total_iters(test_constants) +
slot_offset * peak.sub_slot_iters,
uint8(i),
finished_sub_slots[:slot_offset],
peak.sub_slot_iters,
)
assert sp.cc_vdf is not None
saved_sp_hash = sp.cc_vdf.output.get_hash()
assert store.new_signage_point(i, blockchain, peak,
peak.sub_slot_iters, sp)
# Test adding future signage point (bad)
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
blockchain,
peak,
peak.ip_sub_slot_total_iters(test_constants) +
len(finished_sub_slots) * peak.sub_slot_iters,
uint8(i),
finished_sub_slots[:len(finished_sub_slots)],
peak.sub_slot_iters,
)
assert not store.new_signage_point(i, blockchain, peak,
peak.sub_slot_iters, sp)
# Test adding past signage point
sp = SignagePoint(
blocks[1].reward_chain_block.challenge_chain_sp_vdf,
blocks[1].challenge_chain_sp_proof,
blocks[1].reward_chain_block.reward_chain_sp_vdf,
blocks[1].reward_chain_sp_proof,
)
assert not store.new_signage_point(
blocks[1].reward_chain_block.signage_point_index,
{},
peak,
blockchain.block_record(
blocks[1].header_hash).sp_sub_slot_total_iters(test_constants),
sp,
)
# Get signage point by index
assert (store.get_signage_point_by_index(
finished_sub_slots[0].challenge_chain.get_hash(),
4,
finished_sub_slots[0].reward_chain.get_hash(),
) is not None)
assert (store.get_signage_point_by_index(
finished_sub_slots[0].challenge_chain.get_hash(), 4,
std_hash(b"1")) is None)
# Get signage point by hash
assert store.get_signage_point(saved_sp_hash) is not None
assert store.get_signage_point(std_hash(b"2")) is None
# Test adding signage points before genesis
store.initialize_genesis_sub_slot()
assert len(store.finished_sub_slots) == 1
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
BlockCache({}, {}),
None,
uint128(0),
uint8(i),
[],
peak.sub_slot_iters,
)
assert store.new_signage_point(i, {}, None, peak.sub_slot_iters,
sp)
blocks_3 = bt.get_consecutive_blocks(
1,
skip_slots=2,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for slot in blocks_3[-1].finished_sub_slots:
store.new_finished_sub_slot(slot, {}, None, None)
assert len(store.finished_sub_slots) == 3
finished_sub_slots = blocks_3[-1].finished_sub_slots
for slot_offset in range(1, len(finished_sub_slots) + 1):
for i in range(
1,
test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA,
):
sp = get_signage_point(
test_constants,
BlockCache({}, {}),
None,
slot_offset * peak.sub_slot_iters,
uint8(i),
finished_sub_slots[:slot_offset],
peak.sub_slot_iters,
)
assert store.new_signage_point(i, {}, None,
peak.sub_slot_iters, sp)
# Test adding signage points after genesis
blocks_4 = bt.get_consecutive_blocks(
1,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
blocks_5 = bt.get_consecutive_blocks(
1,
block_list_input=blocks_4,
skip_slots=1,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
# If this is not the case, fix test to find a block that is
assert (blocks_4[-1].reward_chain_block.signage_point_index <
test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA)
await blockchain.receive_block(blocks_4[-1])
sb = blockchain.block_record(blocks_4[-1].header_hash)
store.new_peak(sb, blocks_4[-1], None, None, False, blockchain)
for i in range(
sb.signage_point_index + test_constants.NUM_SP_INTERVALS_EXTRA,
test_constants.NUM_SPS_SUB_SLOT,
):
if is_overflow_block(test_constants, uint8(i)):
finished_sub_slots = blocks_5[-1].finished_sub_slots
else:
finished_sub_slots = []
sp = get_signage_point(
test_constants,
blockchain,
sb,
uint128(0),
uint8(i),
finished_sub_slots,
peak.sub_slot_iters,
)
assert store.new_signage_point(i, empty_blockchain, sb,
peak.sub_slot_iters, sp)
# Test future EOS cache
store.initialize_genesis_sub_slot()
blocks = bt.get_consecutive_blocks(
1,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
await blockchain.receive_block(blocks[-1])
while True:
blocks = bt.get_consecutive_blocks(
1,
block_list_input=blocks,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
await blockchain.receive_block(blocks[-1])
sb = blockchain.block_record(blocks[-1].header_hash)
if sb.first_in_sub_slot:
break
assert len(blocks) >= 2
dependant_sub_slots = blocks[-1].finished_sub_slots
peak = blockchain.get_peak()
peak_full_block = await blockchain.get_full_peak()
for block in blocks[:-2]:
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
peak = sb
peak_full_block = block
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, False,
blockchain)
assert res[0] is None
assert store.new_finished_sub_slot(dependant_sub_slots[0], blockchain,
peak, peak_full_block) is None
block = blocks[-2]
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, False,
blockchain)
assert res[0] == dependant_sub_slots[0]
assert res[1] == res[2] == []
# Test future IP cache
store.initialize_genesis_sub_slot()
blocks = bt.get_consecutive_blocks(
60,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
)
for block in blocks[:5]:
await blockchain.receive_block(block)
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, False,
blockchain)
assert res[0] is None
case_0, case_1 = False, False
for i in range(5, len(blocks) - 1):
prev_block = blocks[i]
block = blocks[i + 1]
new_ip = NewInfusionPointVDF(
block.reward_chain_block.get_unfinished().get_hash(),
block.reward_chain_block.challenge_chain_ip_vdf,
block.challenge_chain_ip_proof,
block.reward_chain_block.reward_chain_ip_vdf,
block.reward_chain_ip_proof,
block.reward_chain_block.infused_challenge_chain_ip_vdf,
block.infused_challenge_chain_ip_proof,
)
store.add_to_future_ip(new_ip)
await blockchain.receive_block(prev_block)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
prev_block.header_hash)
sb = blockchain.block_record(prev_block.header_hash)
res = store.new_peak(sb, prev_block, sp_sub_slot, ip_sub_slot,
False, blockchain)
if len(block.finished_sub_slots) == 0:
case_0 = True
assert res[2] == [new_ip]
else:
case_1 = True
assert res[2] == []
found_ips = []
for ss in block.finished_sub_slots:
found_ips += store.new_finished_sub_slot(
ss, blockchain, sb, prev_block)
assert found_ips == [new_ip]
# If flaky, increase the number of blocks created
assert case_0 and case_1
"c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
)),
G2Element(
bytes.fromhex(
"c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
)),
)
### FULL NODE PROTOCOL.
new_peak = full_node_protocol.NewPeak(
bytes32(
bytes.fromhex(
"8a346e8dc02e9b44c0571caa74fd99f163d4c5d7deae9f8ddb00528721493f7a")
),
uint32(2653549198),
uint128(196318552117141200341240034145143439804),
uint32(928039765),
bytes32(
bytes.fromhex(
"dd421c55d4edaeeb3ad60e80d73c2005a1b275c381c7e418915200d7467711b5")
),
)
new_transaction = full_node_protocol.NewTransaction(
bytes32(
bytes.fromhex(
"e4fe833328d4e82f9c57bc1fc2082c9b63da23e46927522cb5a073f9f0979b6a")
),
uint64(13950654730705425115),
uint64(10674036971945712700),
)
def next_sub_epoch_summary(
constants: ConsensusConstants,
blocks: BlockchainInterface,
required_iters: uint64,
block: Union[UnfinishedBlock, FullBlock],
can_finish_soon: bool = False,
) -> Optional[SubEpochSummary]:
"""
Returns the sub-epoch summary that can be included in the block after block. If it should include one. Block
must be eligible to be the last block in the epoch. If not, returns None. Assumes that there is a new slot
ending after block.
Args:
constants: consensus constants being used for this chain
blocks: interface to cached SBR
required_iters: required iters of the proof of space in block
block: the (potentially) last block in the new epoch
can_finish_soon: this is useful when sending SES to timelords. We might not be able to finish it, but we will
soon (within MAX_SUB_SLOT_BLOCKS)
Returns:
object: the new sub-epoch summary
"""
signage_point_index = block.reward_chain_block.signage_point_index
prev_b: Optional[BlockRecord] = blocks.try_block_record(
block.prev_header_hash)
if prev_b is None or prev_b.height == 0:
return None
if len(block.finished_sub_slots) > 0 and block.finished_sub_slots[
0].challenge_chain.new_difficulty is not None:
# We just included a sub-epoch summary
return None
assert prev_b is not None
# This is the ssi of the current block
sub_slot_iters = get_next_sub_slot_iters_and_difficulty(
constants,
len(block.finished_sub_slots) > 0, prev_b, blocks)[0]
overflow = is_overflow_block(constants, signage_point_index)
if (len(block.finished_sub_slots) > 0 and
block.finished_sub_slots[0].challenge_chain.subepoch_summary_hash
is not None):
return None
if can_finish_soon:
deficit: uint8 = uint8(
0) # Assume that our deficit will go to zero soon
can_finish_se = True
if height_can_be_first_in_epoch(constants, uint32(prev_b.height + 2)):
can_finish_epoch = True
if (prev_b.height + 2) % constants.SUB_EPOCH_BLOCKS > 1:
curr: BlockRecord = prev_b
while curr.height % constants.SUB_EPOCH_BLOCKS > 0:
if (curr.sub_epoch_summary_included is not None
and curr.sub_epoch_summary_included.new_difficulty
is not None):
can_finish_epoch = False
curr = blocks.block_record(curr.prev_hash)
if (curr.sub_epoch_summary_included is not None
and curr.sub_epoch_summary_included.new_difficulty
is not None):
can_finish_epoch = False
elif height_can_be_first_in_epoch(
constants,
uint32(prev_b.height + constants.MAX_SUB_SLOT_BLOCKS + 2)):
can_finish_epoch = True
else:
can_finish_epoch = False
else:
deficit = calculate_deficit(
constants,
uint32(prev_b.height + 1),
prev_b,
overflow,
len(block.finished_sub_slots),
)
can_finish_se, can_finish_epoch = can_finish_sub_and_full_epoch(
constants,
blocks,
uint32(prev_b.height + 1),
prev_b.header_hash if prev_b is not None else None,
deficit,
False,
)
# can't finish se, no summary
if not can_finish_se:
return None
next_difficulty = None
next_sub_slot_iters = None
# if can finish epoch, new difficulty and ssi
if can_finish_epoch:
sp_iters = calculate_sp_iters(constants, sub_slot_iters,
signage_point_index)
ip_iters = calculate_ip_iters(constants, sub_slot_iters,
signage_point_index, required_iters)
next_difficulty = _get_next_difficulty(
constants,
blocks,
block.prev_header_hash,
uint32(prev_b.height + 1),
uint64(prev_b.weight -
blocks.block_record(prev_b.prev_hash).weight),
deficit,
False, # Already checked above
True,
uint128(block.total_iters - ip_iters + sp_iters -
(sub_slot_iters if overflow else 0)),
True,
)
next_sub_slot_iters = _get_next_sub_slot_iters(
constants,
blocks,
block.prev_header_hash,
uint32(prev_b.height + 1),
sub_slot_iters,
deficit,
False, # Already checked above
True,
uint128(block.total_iters - ip_iters + sp_iters -
(sub_slot_iters if overflow else 0)),
True,
)
return make_sub_epoch_summary(
constants,
blocks,
uint32(prev_b.height + 2),
prev_b,
next_difficulty,
next_sub_slot_iters,
)
def set_state(self, state: Union[timelord_protocol.NewPeakTimelord,
EndOfSubSlotBundle]):
if isinstance(state, timelord_protocol.NewPeakTimelord):
self.state_type = StateType.PEAK
self.peak = state
self.subslot_end = None
_, self.last_ip = iters_from_block(
self.constants,
state.reward_chain_block,
state.sub_slot_iters,
state.difficulty,
)
self.deficit = state.deficit
self.sub_epoch_summary = state.sub_epoch_summary
self.last_weight = state.reward_chain_block.weight
self.last_height = state.reward_chain_block.height
self.total_iters = state.reward_chain_block.total_iters
self.last_peak_challenge = state.reward_chain_block.get_hash()
self.difficulty = state.difficulty
self.sub_slot_iters = state.sub_slot_iters
if state.reward_chain_block.is_transaction_block:
self.last_block_total_iters = self.total_iters
self.reward_challenge_cache = state.previous_reward_challenges
self.last_challenge_sb_or_eos_total_iters = self.peak.last_challenge_sb_or_eos_total_iters
self.new_epoch = False
if (self.peak.reward_chain_block.height +
1) % self.constants.SUB_EPOCH_BLOCKS == 0:
self.passed_ses_height_but_not_yet_included = True
else:
self.passed_ses_height_but_not_yet_included = state.passes_ses_height_but_not_yet_included
elif isinstance(state, EndOfSubSlotBundle):
self.state_type = StateType.END_OF_SUB_SLOT
if self.peak is not None:
self.total_iters = uint128(self.total_iters -
self.get_last_ip() +
self.sub_slot_iters)
else:
self.total_iters = uint128(self.total_iters +
self.sub_slot_iters)
self.peak = None
self.subslot_end = state
self.last_ip = uint64(0)
self.deficit = state.reward_chain.deficit
if state.challenge_chain.new_difficulty is not None:
assert state.challenge_chain.new_sub_slot_iters is not None
self.difficulty = state.challenge_chain.new_difficulty
self.sub_slot_iters = state.challenge_chain.new_sub_slot_iters
self.new_epoch = True
else:
self.new_epoch = False
if state.challenge_chain.subepoch_summary_hash is not None:
self.infused_ses = True
self.passed_ses_height_but_not_yet_included = False
else:
self.infused_ses = False
# Since we have a new sub slot which is not an end of subepoch,
# we will use the last value that we saw for
# passed_ses_height_but_not_yet_included
self.last_challenge_sb_or_eos_total_iters = self.total_iters
else:
assert False
# TODO: address hint error and remove ignore
# error: Argument 1 to "append" of "list" has incompatible type "Tuple[Optional[bytes32], uint128]";
# expected "Tuple[bytes32, uint128]" [arg-type]
self.reward_challenge_cache.append(
(self.get_challenge(Chain.REWARD_CHAIN),
self.total_iters)) # type: ignore[arg-type] # noqa: E501
log.info(
f"Updated timelord peak to {self.get_challenge(Chain.REWARD_CHAIN)}, total iters: {self.total_iters}"
)
while len(self.reward_challenge_cache
) > 2 * self.constants.MAX_SUB_SLOT_BLOCKS:
self.reward_challenge_cache.pop(0)
async def test_basic_store(self,
empty_blockchain,
normalized_to_identity: bool = False):
blockchain = empty_blockchain
blocks = bt.get_consecutive_blocks(
10,
seed=b"1234",
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
store = FullNodeStore(test_constants)
unfinished_blocks = []
for block in blocks:
unfinished_blocks.append(
UnfinishedBlock(
block.finished_sub_slots,
block.reward_chain_block.get_unfinished(),
block.challenge_chain_sp_proof,
block.reward_chain_sp_proof,
block.foliage,
block.foliage_transaction_block,
block.transactions_info,
block.transactions_generator,
[],
))
# Add/get candidate block
assert store.get_candidate_block(
unfinished_blocks[0].get_hash()) is None
for height, unf_block in enumerate(unfinished_blocks):
store.add_candidate_block(unf_block.get_hash(), uint32(height),
unf_block)
candidate = store.get_candidate_block(unfinished_blocks[4].get_hash())
assert candidate is not None
assert candidate[1] == unfinished_blocks[4]
store.clear_candidate_blocks_below(uint32(8))
assert store.get_candidate_block(
unfinished_blocks[5].get_hash()) is None
assert store.get_candidate_block(
unfinished_blocks[8].get_hash()) is not None
# Test seen unfinished blocks
h_hash_1 = bytes32(token_bytes(32))
assert not store.seen_unfinished_block(h_hash_1)
assert store.seen_unfinished_block(h_hash_1)
store.clear_seen_unfinished_blocks()
assert not store.seen_unfinished_block(h_hash_1)
# Add/get unfinished block
for height, unf_block in enumerate(unfinished_blocks):
assert store.get_unfinished_block(unf_block.partial_hash) is None
store.add_unfinished_block(
uint32(height), unf_block,
PreValidationResult(None, uint64(123532), None, False))
assert store.get_unfinished_block(
unf_block.partial_hash) == unf_block
store.remove_unfinished_block(unf_block.partial_hash)
assert store.get_unfinished_block(unf_block.partial_hash) is None
blocks = bt.get_consecutive_blocks(
1,
skip_slots=5,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
)
sub_slots = blocks[0].finished_sub_slots
assert len(sub_slots) == 5
assert (store.get_finished_sub_slots(
BlockCache({}),
None,
sub_slots[0].challenge_chain.challenge_chain_end_of_slot_vdf.
challenge,
) == [])
# Test adding non-connecting sub-slots genesis
assert store.get_sub_slot(test_constants.GENESIS_CHALLENGE) is None
assert store.get_sub_slot(
sub_slots[0].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[1].challenge_chain.get_hash()) is None
assert store.new_finished_sub_slot(sub_slots[1], blockchain, None,
None) is None
assert store.new_finished_sub_slot(sub_slots[2], blockchain, None,
None) is None
# Test adding sub-slots after genesis
assert store.new_finished_sub_slot(sub_slots[0], blockchain, None,
None) is not None
sub_slot = store.get_sub_slot(sub_slots[0].challenge_chain.get_hash())
assert sub_slot is not None
assert sub_slot[0] == sub_slots[0]
assert store.get_sub_slot(
sub_slots[1].challenge_chain.get_hash()) is None
assert store.new_finished_sub_slot(sub_slots[1], blockchain, None,
None) is not None
for i in range(len(sub_slots)):
assert store.new_finished_sub_slot(sub_slots[i], blockchain, None,
None) is not None
slot_i = store.get_sub_slot(
sub_slots[i].challenge_chain.get_hash())
assert slot_i is not None
assert slot_i[0] == sub_slots[i]
assert store.get_finished_sub_slots(
BlockCache({}), None,
sub_slots[-1].challenge_chain.get_hash()) == sub_slots
assert store.get_finished_sub_slots(BlockCache(
{}), None, std_hash(b"not a valid hash")) is None
assert (store.get_finished_sub_slots(
BlockCache({}), None,
sub_slots[-2].challenge_chain.get_hash()) == sub_slots[:-1])
# Test adding genesis peak
await _validate_and_add_block(blockchain, blocks[0])
peak = blockchain.get_peak()
peak_full_block = await blockchain.get_full_peak()
if peak.overflow:
store.new_peak(peak, peak_full_block, sub_slots[-2], sub_slots[-1],
None, blockchain)
else:
store.new_peak(peak, peak_full_block, None, sub_slots[-1], None,
blockchain)
assert store.get_sub_slot(
sub_slots[0].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[1].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[2].challenge_chain.get_hash()) is None
if peak.overflow:
slot_3 = store.get_sub_slot(
sub_slots[3].challenge_chain.get_hash())
assert slot_3 is not None
assert slot_3[0] == sub_slots[3]
else:
assert store.get_sub_slot(
sub_slots[3].challenge_chain.get_hash()) is None
slot_4 = store.get_sub_slot(sub_slots[4].challenge_chain.get_hash())
assert slot_4 is not None
assert slot_4[0] == sub_slots[4]
assert (store.get_finished_sub_slots(
blockchain,
peak,
sub_slots[-1].challenge_chain.get_hash(),
) == [])
# Test adding non genesis peak directly
blocks = bt.get_consecutive_blocks(
2,
skip_slots=2,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
blocks = bt.get_consecutive_blocks(
3,
block_list_input=blocks,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for block in blocks:
await _validate_and_add_block_no_error(blockchain, block)
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, None,
blockchain)
assert res.added_eos is None
# Add reorg blocks
blocks_reorg = bt.get_consecutive_blocks(
20,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for block in blocks_reorg:
peak = blockchain.get_peak()
assert peak is not None
await _validate_and_add_block_no_error(blockchain, block)
if blockchain.get_peak().header_hash == block.header_hash:
sb = blockchain.block_record(block.header_hash)
fork = find_fork_point_in_chain(
blockchain, peak, blockchain.block_record(sb.header_hash))
if fork > 0:
fork_block = blockchain.height_to_block_record(fork)
else:
fork_block = None
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot,
fork_block, blockchain)
assert res.added_eos is None
# Add slots to the end
blocks_2 = bt.get_consecutive_blocks(
1,
block_list_input=blocks_reorg,
skip_slots=2,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for slot in blocks_2[-1].finished_sub_slots:
store.new_finished_sub_slot(slot, blockchain,
blockchain.get_peak(), await
blockchain.get_full_peak())
assert store.get_sub_slot(
sub_slots[3].challenge_chain.get_hash()) is None
assert store.get_sub_slot(
sub_slots[4].challenge_chain.get_hash()) is None
# Test adding signage point
peak = blockchain.get_peak()
ss_start_iters = peak.ip_sub_slot_total_iters(test_constants)
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
blockchain,
peak,
ss_start_iters,
uint8(i),
[],
peak.sub_slot_iters,
)
assert store.new_signage_point(uint8(i), blockchain, peak,
peak.sub_slot_iters, sp)
blocks = blocks_reorg
while True:
blocks = bt.get_consecutive_blocks(
1,
block_list_input=blocks,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
await _validate_and_add_block(blockchain, blocks[-1])
if blockchain.get_peak().header_hash == blocks[-1].header_hash:
sb = blockchain.block_record(blocks[-1].header_hash)
fork = find_fork_point_in_chain(
blockchain, peak, blockchain.block_record(sb.header_hash))
if fork > 0:
fork_block = blockchain.height_to_block_record(fork)
else:
fork_block = None
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
blocks[-1].header_hash)
res = store.new_peak(sb, blocks[-1], sp_sub_slot, ip_sub_slot,
fork_block, blockchain)
assert res.added_eos is None
if sb.overflow and sp_sub_slot is not None:
assert sp_sub_slot != ip_sub_slot
break
peak = blockchain.get_peak()
assert peak.overflow
# Overflow peak should result in 2 finished sub slots
assert len(store.finished_sub_slots) == 2
# Add slots to the end, except for the last one, which we will use to test invalid SP
blocks_2 = bt.get_consecutive_blocks(
1,
block_list_input=blocks,
skip_slots=3,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for slot in blocks_2[-1].finished_sub_slots[:-1]:
store.new_finished_sub_slot(slot, blockchain,
blockchain.get_peak(), await
blockchain.get_full_peak())
finished_sub_slots = blocks_2[-1].finished_sub_slots
assert len(store.finished_sub_slots) == 4
# Test adding signage points for overflow blocks (sp_sub_slot)
ss_start_iters = peak.sp_sub_slot_total_iters(test_constants)
# for i in range(peak.signage_point_index, test_constants.NUM_SPS_SUB_SLOT):
# if i < peak.signage_point_index:
# continue
# latest = peak
# while latest.total_iters > peak.sp_total_iters(test_constants):
# latest = blockchain.blocks[latest.prev_hash]
# sp = get_signage_point(
# test_constants,
# blockchain.blocks,
# latest,
# ss_start_iters,
# uint8(i),
# [],
# peak.sub_slot_iters,
# )
# assert store.new_signage_point(i, blockchain.blocks, peak, peak.sub_slot_iters, sp)
# Test adding signage points for overflow blocks (ip_sub_slot)
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
blockchain,
peak,
peak.ip_sub_slot_total_iters(test_constants),
uint8(i),
[],
peak.sub_slot_iters,
)
assert store.new_signage_point(uint8(i), blockchain, peak,
peak.sub_slot_iters, sp)
# Test adding future signage point, a few slots forward (good)
saved_sp_hash = None
for slot_offset in range(1, len(finished_sub_slots)):
for i in range(
1,
test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA,
):
sp = get_signage_point(
test_constants,
blockchain,
peak,
peak.ip_sub_slot_total_iters(test_constants) +
slot_offset * peak.sub_slot_iters,
uint8(i),
finished_sub_slots[:slot_offset],
peak.sub_slot_iters,
)
assert sp.cc_vdf is not None
saved_sp_hash = sp.cc_vdf.output.get_hash()
assert store.new_signage_point(uint8(i), blockchain, peak,
peak.sub_slot_iters, sp)
# Test adding future signage point (bad)
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
blockchain,
peak,
peak.ip_sub_slot_total_iters(test_constants) +
len(finished_sub_slots) * peak.sub_slot_iters,
uint8(i),
finished_sub_slots[:len(finished_sub_slots)],
peak.sub_slot_iters,
)
assert not store.new_signage_point(uint8(i), blockchain, peak,
peak.sub_slot_iters, sp)
# Test adding past signage point
sp = SignagePoint(
blocks[1].reward_chain_block.challenge_chain_sp_vdf,
blocks[1].challenge_chain_sp_proof,
blocks[1].reward_chain_block.reward_chain_sp_vdf,
blocks[1].reward_chain_sp_proof,
)
assert not store.new_signage_point(
blocks[1].reward_chain_block.signage_point_index,
blockchain,
peak,
blockchain.block_record(
blocks[1].header_hash).sp_sub_slot_total_iters(test_constants),
sp,
)
# Get signage point by index
assert (store.get_signage_point_by_index(
finished_sub_slots[0].challenge_chain.get_hash(),
uint8(4),
finished_sub_slots[0].reward_chain.get_hash(),
) is not None)
assert (store.get_signage_point_by_index(
finished_sub_slots[0].challenge_chain.get_hash(), uint8(4),
std_hash(b"1")) is None)
# Get signage point by hash
# TODO: address hint error and remove ignore
# error: Argument 1 to "get_signage_point" of "FullNodeStore" has incompatible type "Optional[bytes32]";
# expected "bytes32" [arg-type]
assert store.get_signage_point(
saved_sp_hash) is not None # type: ignore[arg-type]
assert store.get_signage_point(std_hash(b"2")) is None
# Test adding signage points before genesis
store.initialize_genesis_sub_slot()
assert len(store.finished_sub_slots) == 1
for i in range(
1, test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA):
sp = get_signage_point(
test_constants,
BlockCache({}, {}),
None,
uint128(0),
uint8(i),
[],
peak.sub_slot_iters,
)
assert store.new_signage_point(uint8(i), blockchain, None,
peak.sub_slot_iters, sp)
blocks_3 = bt.get_consecutive_blocks(
1,
skip_slots=2,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
for slot in blocks_3[-1].finished_sub_slots:
store.new_finished_sub_slot(slot, blockchain, None, None)
assert len(store.finished_sub_slots) == 3
finished_sub_slots = blocks_3[-1].finished_sub_slots
for slot_offset in range(1, len(finished_sub_slots) + 1):
for i in range(
1,
test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA,
):
sp = get_signage_point(
test_constants,
BlockCache({}, {}),
None,
slot_offset * peak.sub_slot_iters,
uint8(i),
finished_sub_slots[:slot_offset],
peak.sub_slot_iters,
)
assert store.new_signage_point(uint8(i), blockchain, None,
peak.sub_slot_iters, sp)
# Test adding signage points after genesis
blocks_4 = bt.get_consecutive_blocks(
1,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
blocks_5 = bt.get_consecutive_blocks(
1,
block_list_input=blocks_4,
skip_slots=1,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
# If this is not the case, fix test to find a block that is
assert (blocks_4[-1].reward_chain_block.signage_point_index <
test_constants.NUM_SPS_SUB_SLOT -
test_constants.NUM_SP_INTERVALS_EXTRA)
await _validate_and_add_block(
blockchain,
blocks_4[-1],
expected_result=ReceiveBlockResult.ADDED_AS_ORPHAN)
sb = blockchain.block_record(blocks_4[-1].header_hash)
store.new_peak(sb, blocks_4[-1], None, None, None, blockchain)
for i in range(
sb.signage_point_index + test_constants.NUM_SP_INTERVALS_EXTRA,
test_constants.NUM_SPS_SUB_SLOT,
):
if is_overflow_block(test_constants, uint8(i)):
finished_sub_slots = blocks_5[-1].finished_sub_slots
else:
finished_sub_slots = []
sp = get_signage_point(
test_constants,
blockchain,
sb,
uint128(0),
uint8(i),
finished_sub_slots,
peak.sub_slot_iters,
)
assert store.new_signage_point(uint8(i), empty_blockchain, sb,
peak.sub_slot_iters, sp)
# Test future EOS cache
store.initialize_genesis_sub_slot()
blocks = bt.get_consecutive_blocks(
1,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
await _validate_and_add_block_no_error(blockchain, blocks[-1])
while True:
blocks = bt.get_consecutive_blocks(
1,
block_list_input=blocks,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
)
await _validate_and_add_block_no_error(blockchain, blocks[-1])
sb = blockchain.block_record(blocks[-1].header_hash)
if sb.first_in_sub_slot:
break
assert len(blocks) >= 2
dependant_sub_slots = blocks[-1].finished_sub_slots
peak = blockchain.get_peak()
peak_full_block = await blockchain.get_full_peak()
for block in blocks[:-2]:
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
peak = sb
peak_full_block = block
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, None,
blockchain)
assert res.added_eos is None
assert store.new_finished_sub_slot(dependant_sub_slots[0], blockchain,
peak, peak_full_block) is None
block = blocks[-2]
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, None,
blockchain)
assert res.added_eos == dependant_sub_slots[0]
assert res.new_signage_points == res.new_infusion_points == []
# Test future IP cache
store.initialize_genesis_sub_slot()
blocks = bt.get_consecutive_blocks(
60,
normalized_to_identity_cc_ip=normalized_to_identity,
normalized_to_identity_cc_sp=normalized_to_identity,
normalized_to_identity_cc_eos=normalized_to_identity,
normalized_to_identity_icc_eos=normalized_to_identity,
)
for block in blocks[:5]:
await _validate_and_add_block_no_error(blockchain, block)
sb = blockchain.block_record(block.header_hash)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
block.header_hash)
res = store.new_peak(sb, block, sp_sub_slot, ip_sub_slot, None,
blockchain)
assert res.added_eos is None
case_0, case_1 = False, False
for i in range(5, len(blocks) - 1):
prev_block = blocks[i]
block = blocks[i + 1]
new_ip = NewInfusionPointVDF(
block.reward_chain_block.get_unfinished().get_hash(),
block.reward_chain_block.challenge_chain_ip_vdf,
block.challenge_chain_ip_proof,
block.reward_chain_block.reward_chain_ip_vdf,
block.reward_chain_ip_proof,
block.reward_chain_block.infused_challenge_chain_ip_vdf,
block.infused_challenge_chain_ip_proof,
)
store.add_to_future_ip(new_ip)
await _validate_and_add_block_no_error(blockchain, prev_block)
sp_sub_slot, ip_sub_slot = await blockchain.get_sp_and_ip_sub_slots(
prev_block.header_hash)
sb = blockchain.block_record(prev_block.header_hash)
res = store.new_peak(sb, prev_block, sp_sub_slot, ip_sub_slot,
None, blockchain)
if len(block.finished_sub_slots) == 0:
case_0 = True
assert res.new_infusion_points == [new_ip]
else:
case_1 = True
assert res.new_infusion_points == []
found_ips: List[timelord_protocol.NewInfusionPointVDF] = []
for ss in block.finished_sub_slots:
ipvdf = store.new_finished_sub_slot(
ss, blockchain, sb, prev_block)
assert ipvdf is not None
found_ips += ipvdf
assert found_ips == [new_ip]
# If flaky, increase the number of blocks created
assert case_0 and case_1
# Try to get two blocks in the same slot, such that we have
# SP, B2 SP .... SP B1
# i2 ......... i1
# Then do a reorg up to B2, removing all signage points after B2, but not before
log.warning(f"Adding blocks up to {blocks[-1]}")
for block in blocks:
await _validate_and_add_block_no_error(blockchain, block)
log.warning(f"Starting loop")
while True:
log.warning("Looping")
blocks = bt.get_consecutive_blocks(1,
block_list_input=blocks,
skip_slots=1)
await _validate_and_add_block_no_error(blockchain, blocks[-1])
peak = blockchain.get_peak()
sub_slots = await blockchain.get_sp_and_ip_sub_slots(
peak.header_hash)
store.new_peak(peak, blocks[-1], sub_slots[0], sub_slots[1], None,
blockchain)
blocks = bt.get_consecutive_blocks(
2, block_list_input=blocks, guarantee_transaction_block=True)
i3 = blocks[-3].reward_chain_block.signage_point_index
i2 = blocks[-2].reward_chain_block.signage_point_index
i1 = blocks[-1].reward_chain_block.signage_point_index
if (len(blocks[-2].finished_sub_slots) == len(
blocks[-1].finished_sub_slots) == 0
and not is_overflow_block(test_constants,
signage_point_index=i2)
and not is_overflow_block(test_constants,
signage_point_index=i1)
and i2 > i3 + 3 and i1 > (i2 + 3)):
# We hit all the conditions that we want
all_sps: List[Optional[SignagePoint]] = [
None
] * test_constants.NUM_SPS_SUB_SLOT
def assert_sp_none(sp_index: int, is_none: bool):
sp_to_check: Optional[SignagePoint] = all_sps[sp_index]
assert sp_to_check is not None
assert sp_to_check.cc_vdf is not None
fetched = store.get_signage_point(
sp_to_check.cc_vdf.output.get_hash())
assert (fetched is None) == is_none
if fetched is not None:
assert fetched == sp_to_check
for i in range(i3 + 1, test_constants.NUM_SPS_SUB_SLOT - 3):
finished_sub_slots = []
sp = get_signage_point(
test_constants,
blockchain,
peak,
uint128(peak.ip_sub_slot_total_iters(bt.constants)),
uint8(i),
finished_sub_slots,
peak.sub_slot_iters,
)
all_sps[i] = sp
assert store.new_signage_point(uint8(i), blockchain, peak,
peak.sub_slot_iters, sp)
# Adding a new peak clears all SPs after that peak
await _validate_and_add_block_no_error(blockchain, blocks[-2])
peak = blockchain.get_peak()
sub_slots = await blockchain.get_sp_and_ip_sub_slots(
peak.header_hash)
store.new_peak(peak, blocks[-2], sub_slots[0], sub_slots[1],
None, blockchain)
assert_sp_none(i2, False)
assert_sp_none(i2 + 1, False)
assert_sp_none(i1, True)
assert_sp_none(i1 + 1, True)
assert_sp_none(i1 + 4, True)
for i in range(i2, test_constants.NUM_SPS_SUB_SLOT):
if is_overflow_block(test_constants, uint8(i)):
blocks_alt = bt.get_consecutive_blocks(
1, block_list_input=blocks[:-1], skip_slots=1)
finished_sub_slots = blocks_alt[-1].finished_sub_slots
else:
finished_sub_slots = []
sp = get_signage_point(
test_constants,
blockchain,
peak,
uint128(peak.ip_sub_slot_total_iters(bt.constants)),
uint8(i),
finished_sub_slots,
peak.sub_slot_iters,
)
all_sps[i] = sp
assert store.new_signage_point(uint8(i), blockchain, peak,
peak.sub_slot_iters, sp)
assert_sp_none(i2, False)
assert_sp_none(i2 + 1, False)
assert_sp_none(i1, False)
assert_sp_none(i1 + 1, False)
assert_sp_none(i1 + 4, False)
await _validate_and_add_block_no_error(blockchain, blocks[-1])
peak = blockchain.get_peak()
sub_slots = await blockchain.get_sp_and_ip_sub_slots(
peak.header_hash)
# Do a reorg, which should remove everything after B2
store.new_peak(
peak,
blocks[-1],
sub_slots[0],
sub_slots[1],
(await
blockchain.get_block_records_at([blocks[-2].height]))[0],
blockchain,
)
assert_sp_none(i2, False)
assert_sp_none(i2 + 1, False)
assert_sp_none(i1, True)
assert_sp_none(i1 + 1, True)
assert_sp_none(i1 + 4, True)
break
else:
for block in blocks[-2:]:
await _validate_and_add_block_no_error(blockchain, block)
def create_unfinished_block(
constants: ConsensusConstants,
sub_slot_start_total_iters: uint128,
sub_slot_iters: uint64,
signage_point_index: uint8,
sp_iters: uint64,
ip_iters: uint64,
proof_of_space: ProofOfSpace,
slot_cc_challenge: bytes32,
farmer_reward_puzzle_hash: bytes32,
pool_target: PoolTarget,
get_plot_signature: Callable[[bytes32, G1Element], G2Element],
get_pool_signature: Callable[[PoolTarget, Optional[G1Element]], Optional[G2Element]],
signage_point: SignagePoint,
timestamp: uint64,
blocks: BlockchainInterface,
seed: bytes32 = b"",
block_generator: Optional[BlockGenerator] = None,
aggregate_sig: G2Element = G2Element(),
additions: Optional[List[Coin]] = None,
removals: Optional[List[Coin]] = None,
prev_block: Optional[BlockRecord] = None,
finished_sub_slots_input: List[EndOfSubSlotBundle] = None,
) -> UnfinishedBlock:
"""
Creates a new unfinished block using all the information available at the signage point. This will have to be
modified using information from the infusion point.
Args:
constants: consensus constants being used for this chain
sub_slot_start_total_iters: the starting sub-slot iters at the signage point sub-slot
sub_slot_iters: sub-slot-iters at the infusion point epoch
signage_point_index: signage point index of the block to create
sp_iters: sp_iters of the block to create
ip_iters: ip_iters of the block to create
proof_of_space: proof of space of the block to create
slot_cc_challenge: challenge hash at the sp sub-slot
farmer_reward_puzzle_hash: where to pay out farmer rewards
pool_target: where to pay out pool rewards
get_plot_signature: function that returns signature corresponding to plot public key
get_pool_signature: function that returns signature corresponding to pool public key
signage_point: signage point information (VDFs)
timestamp: timestamp to add to the foliage block, if created
seed: seed to randomize chain
block_generator: transactions to add to the foliage block, if created
aggregate_sig: aggregate of all transctions (or infinity element)
additions: Coins added in spend_bundle
removals: Coins removed in spend_bundle
prev_block: previous block (already in chain) from the signage point
blocks: dictionary from header hash to SBR of all included SBR
finished_sub_slots_input: finished_sub_slots at the signage point
Returns:
"""
if finished_sub_slots_input is None:
finished_sub_slots: List[EndOfSubSlotBundle] = []
else:
finished_sub_slots = finished_sub_slots_input.copy()
overflow: bool = sp_iters > ip_iters
total_iters_sp: uint128 = uint128(sub_slot_start_total_iters + sp_iters)
is_genesis: bool = prev_block is None
new_sub_slot: bool = len(finished_sub_slots) > 0
cc_sp_hash: Optional[bytes32] = slot_cc_challenge
# Only enters this if statement if we are in testing mode (making VDF proofs here)
if signage_point.cc_vdf is not None:
assert signage_point.rc_vdf is not None
cc_sp_hash = signage_point.cc_vdf.output.get_hash()
rc_sp_hash = signage_point.rc_vdf.output.get_hash()
else:
if new_sub_slot:
rc_sp_hash = finished_sub_slots[-1].reward_chain.get_hash()
else:
if is_genesis:
rc_sp_hash = constants.GENESIS_CHALLENGE
else:
assert prev_block is not None
assert blocks is not None
curr = prev_block
while not curr.first_in_sub_slot:
curr = blocks.block_record(curr.prev_hash)
assert curr.finished_reward_slot_hashes is not None
rc_sp_hash = curr.finished_reward_slot_hashes[-1]
signage_point = SignagePoint(None, None, None, None)
cc_sp_signature: Optional[G2Element] = get_plot_signature(cc_sp_hash, proof_of_space.plot_public_key)
rc_sp_signature: Optional[G2Element] = get_plot_signature(rc_sp_hash, proof_of_space.plot_public_key)
assert cc_sp_signature is not None
assert rc_sp_signature is not None
assert blspy.AugSchemeMPL.verify(proof_of_space.plot_public_key, cc_sp_hash, cc_sp_signature)
total_iters = uint128(sub_slot_start_total_iters + ip_iters + (sub_slot_iters if overflow else 0))
rc_block = RewardChainBlockUnfinished(
total_iters,
signage_point_index,
slot_cc_challenge,
proof_of_space,
signage_point.cc_vdf,
cc_sp_signature,
signage_point.rc_vdf,
rc_sp_signature,
)
if additions is None:
additions = []
if removals is None:
removals = []
(foliage, foliage_transaction_block, transactions_info,) = create_foliage(
constants,
rc_block,
block_generator,
aggregate_sig,
additions,
removals,
prev_block,
blocks,
total_iters_sp,
timestamp,
farmer_reward_puzzle_hash,
pool_target,
get_plot_signature,
get_pool_signature,
seed,
)
return UnfinishedBlock(
finished_sub_slots,
rc_block,
signage_point.cc_proof,
signage_point.rc_proof,
foliage,
foliage_transaction_block,
transactions_info,
block_generator.program if block_generator else None,
block_generator.block_height_list() if block_generator else [],
)
async def get_blockchain_state(self, _request: Dict):
"""
Returns a summary of the node's view of the blockchain.
"""
if self.service.initialized is False:
res: Dict = {
"blockchain_state": {
"peak": None,
"genesis_challenge_initialized": self.service.initialized,
"sync": {
"sync_mode": False,
"synced": False,
"sync_tip_height": 0,
"sync_progress_height": 0,
},
"difficulty": 0,
"sub_slot_iters": 0,
"space": 0,
"mempool_size": 0,
},
}
return res
peak: Optional[BlockRecord] = self.service.blockchain.get_peak()
if peak is not None and peak.height > 0:
difficulty = uint64(
peak.weight -
self.service.blockchain.block_record(peak.prev_hash).weight)
sub_slot_iters = peak.sub_slot_iters
else:
difficulty = self.service.constants.DIFFICULTY_STARTING
sub_slot_iters = self.service.constants.SUB_SLOT_ITERS_STARTING
sync_mode: bool = self.service.sync_store.get_sync_mode(
) or self.service.sync_store.get_long_sync()
sync_tip_height: Optional[uint32] = uint32(0)
if sync_mode:
if self.service.sync_store.get_sync_target_height() is not None:
sync_tip_height = self.service.sync_store.get_sync_target_height(
)
assert sync_tip_height is not None
if peak is not None:
sync_progress_height: uint32 = peak.height
# Don't display we're syncing towards 0, instead show 'Syncing height/height'
# until sync_store retrieves the correct number.
if sync_tip_height == uint32(0):
sync_tip_height = peak.height
else:
sync_progress_height = uint32(0)
else:
sync_progress_height = uint32(0)
if peak is not None and peak.height > 1:
newer_block_hex = peak.header_hash.hex()
# Average over the last day
header_hash = self.service.blockchain.height_to_hash(
uint32(max(1, peak.height - 4608)))
assert header_hash is not None
older_block_hex = header_hash.hex()
space = await self.get_network_space({
"newer_block_header_hash":
newer_block_hex,
"older_block_header_hash":
older_block_hex
})
else:
space = {"space": uint128(0)}
if self.service.mempool_manager is not None:
mempool_size = len(self.service.mempool_manager.mempool.spends)
else:
mempool_size = 0
if self.service.server is not None:
is_connected = len(
self.service.server.get_full_node_connections()) > 0
else:
is_connected = False
synced = await self.service.synced() and is_connected
assert space is not None
response: Dict = {
"blockchain_state": {
"peak": peak,
"genesis_challenge_initialized": self.service.initialized,
"sync": {
"sync_mode": sync_mode,
"synced": synced,
"sync_tip_height": sync_tip_height,
"sync_progress_height": sync_progress_height,
},
"difficulty": difficulty,
"sub_slot_iters": sub_slot_iters,
"space": space["space"],
"mempool_size": mempool_size,
},
}
self.cached_blockchain_state = dict(response["blockchain_state"])
return response
def unfinished_block_to_full_block(
unfinished_block: UnfinishedBlock,
cc_ip_vdf: VDFInfo,
cc_ip_proof: VDFProof,
rc_ip_vdf: VDFInfo,
rc_ip_proof: VDFProof,
icc_ip_vdf: Optional[VDFInfo],
icc_ip_proof: Optional[VDFProof],
finished_sub_slots: List[EndOfSubSlotBundle],
prev_block: Optional[BlockRecord],
blocks: BlockchainInterface,
total_iters_sp: uint128,
difficulty: uint64,
) -> FullBlock:
"""
Converts an unfinished block to a finished block. Includes all the infusion point VDFs as well as tweaking
other properties (height, weight, sub-slots, etc)
Args:
unfinished_block: the unfinished block to finish
cc_ip_vdf: the challenge chain vdf info at the infusion point
cc_ip_proof: the challenge chain proof
rc_ip_vdf: the reward chain vdf info at the infusion point
rc_ip_proof: the reward chain proof
icc_ip_vdf: the infused challenge chain vdf info at the infusion point
icc_ip_proof: the infused challenge chain proof
finished_sub_slots: finished sub slots from the prev block to the infusion point
prev_block: prev block from the infusion point
blocks: dictionary from header hash to SBR of all included SBR
total_iters_sp: total iters at the signage point
difficulty: difficulty at the infusion point
"""
# Replace things that need to be replaced, since foliage blocks did not necessarily have the latest information
if prev_block is None:
is_transaction_block = True
new_weight = uint128(difficulty)
new_height = uint32(0)
new_foliage = unfinished_block.foliage
new_foliage_transaction_block = unfinished_block.foliage_transaction_block
new_tx_info = unfinished_block.transactions_info
new_generator = unfinished_block.transactions_generator
new_generator_ref_list = unfinished_block.transactions_generator_ref_list
else:
is_transaction_block, _ = get_prev_transaction_block(prev_block, blocks, total_iters_sp)
new_weight = uint128(prev_block.weight + difficulty)
new_height = uint32(prev_block.height + 1)
if is_transaction_block:
new_fbh = unfinished_block.foliage.foliage_transaction_block_hash
new_fbs = unfinished_block.foliage.foliage_transaction_block_signature
new_foliage_transaction_block = unfinished_block.foliage_transaction_block
new_tx_info = unfinished_block.transactions_info
new_generator = unfinished_block.transactions_generator
new_generator_ref_list = unfinished_block.transactions_generator_ref_list
else:
new_fbh = None
new_fbs = None
new_foliage_transaction_block = None
new_tx_info = None
new_generator = None
new_generator_ref_list = []
assert (new_fbh is None) == (new_fbs is None)
new_foliage = replace(
unfinished_block.foliage,
prev_block_hash=prev_block.header_hash,
foliage_transaction_block_hash=new_fbh,
foliage_transaction_block_signature=new_fbs,
)
ret = FullBlock(
finished_sub_slots,
RewardChainBlock(
new_weight,
new_height,
unfinished_block.reward_chain_block.total_iters,
unfinished_block.reward_chain_block.signage_point_index,
unfinished_block.reward_chain_block.pos_ss_cc_challenge_hash,
unfinished_block.reward_chain_block.proof_of_space,
unfinished_block.reward_chain_block.challenge_chain_sp_vdf,
unfinished_block.reward_chain_block.challenge_chain_sp_signature,
cc_ip_vdf,
unfinished_block.reward_chain_block.reward_chain_sp_vdf,
unfinished_block.reward_chain_block.reward_chain_sp_signature,
rc_ip_vdf,
icc_ip_vdf,
is_transaction_block,
),
unfinished_block.challenge_chain_sp_proof,
cc_ip_proof,
unfinished_block.reward_chain_sp_proof,
rc_ip_proof,
icc_ip_proof,
new_foliage,
new_foliage_transaction_block,
new_tx_info,
new_generator,
new_generator_ref_list,
)
return recursive_replace(
ret,
"foliage.reward_block_hash",
ret.reward_chain_block.get_hash(),
)
