def load(self, genesis_block):
height = self.state.get_mainchain_height()
if height == -1:
self.state.put_block(genesis_block, None)
block_number_mapping = qrl_pb2.BlockNumberMapping(headerhash=genesis_block.headerhash,
prev_headerhash=genesis_block.prev_headerhash)
self.state.put_block_number_mapping(genesis_block.block_number, block_number_mapping, None)
parent_difficulty = StringToUInt256(str(config.dev.genesis_difficulty))
self.current_difficulty, _ = DifficultyTracker.get(
measurement=config.dev.mining_setpoint_blocktime,
parent_difficulty=parent_difficulty)
block_metadata = BlockMetadata.create()
block_metadata.set_orphan(False)
block_metadata.set_block_difficulty(self.current_difficulty)
block_metadata.set_cumulative_difficulty(self.current_difficulty)
self.state.put_block_metadata(genesis_block.headerhash, block_metadata, None)
addresses_state = dict()
for genesis_balance in GenesisBlock().genesis_balance:
bytes_addr = genesis_balance.address
addresses_state[bytes_addr] = AddressState.get_default(bytes_addr)
addresses_state[bytes_addr]._data.balance = genesis_balance.balance
self.state.state_objects.update_current_state(addresses_state)
self.state.state_objects.push(genesis_block.headerhash)
else:
self.last_block = self.get_block_by_number(height)
self.current_difficulty = self.state.get_block_metadata(self.last_block.headerhash).block_difficulty
def _add_block_metadata(self, headerhash, block_timestamp,
parent_headerhash, batch):
block_metadata = self._state.get_block_metadata(headerhash)
if not block_metadata:
block_metadata = BlockMetadata.create()
parent_metadata = self._state.get_block_metadata(parent_headerhash)
parent_block_difficulty = parent_metadata.block_difficulty
parent_cumulative_difficulty = parent_metadata.cumulative_difficulty
block_metadata.update_last_headerhashes(
parent_metadata.last_N_headerhashes, parent_headerhash)
measurement = self._state.get_measurement(block_timestamp,
parent_headerhash,
parent_metadata)
block_difficulty, _ = DifficultyTracker.get(
measurement=measurement, parent_difficulty=parent_block_difficulty)
block_cumulative_difficulty = StringToUInt256(
str(
int(UInt256ToString(block_difficulty)) +
int(UInt256ToString(parent_cumulative_difficulty))))
block_metadata.set_block_difficulty(block_difficulty)
block_metadata.set_cumulative_difficulty(block_cumulative_difficulty)
parent_metadata.add_child_headerhash(headerhash)
self._state.put_block_metadata(parent_headerhash, parent_metadata,
batch)
self._state.put_block_metadata(headerhash, block_metadata, batch)
return block_metadata
def load(self, genesis_block):
height = self.state.get_mainchain_height()
if height == -1:
self.state.put_block(genesis_block, None)
block_number_mapping = qrl_pb2.BlockNumberMapping(headerhash=genesis_block.headerhash,
prev_headerhash=genesis_block.prev_headerhash)
self.state.put_block_number_mapping(genesis_block.block_number, block_number_mapping, None)
parent_difficulty = StringToUInt256(str(config.dev.genesis_difficulty))
self.current_difficulty, _ = self._difficulty_tracker.get(
measurement=config.dev.mining_setpoint_blocktime,
parent_difficulty=parent_difficulty)
block_metadata = BlockMetadata.create()
block_metadata.set_orphan(False)
block_metadata.set_block_difficulty(self.current_difficulty)
block_metadata.set_cumulative_difficulty(self.current_difficulty)
self.state.put_block_metadata(genesis_block.headerhash, block_metadata, None)
addresses_state = dict()
for genesis_balance in GenesisBlock().genesis_balance:
bytes_addr = genesis_balance.address.encode()
addresses_state[bytes_addr] = AddressState.get_default(bytes_addr)
addresses_state[bytes_addr]._data.balance = genesis_balance.balance
self.state.state_objects.update_current_state(addresses_state)
self.state.state_objects.push(genesis_block.headerhash)
else:
self.last_block = self.get_block_by_number(height)
self.current_difficulty = self.state.get_block_metadata(self.last_block.headerhash).block_difficulty
def test_GetBlockMiningCompatible(self):
p2p_factory = Mock(spec=P2PFactory)
p2p_factory.sync_state = SyncState()
p2p_factory.num_connections = 23
p2p_factory.pow = Mock()
chain_manager = Mock(spec=ChainManager)
chain_manager.height = 0
chain_manager.get_last_block = MagicMock(return_value=Block())
qrlnode = QRLNode(mining_address=b'')
qrlnode.set_chain_manager(chain_manager)
qrlnode._p2pfactory = p2p_factory
qrlnode._pow = p2p_factory.pow
block_header = BlockHeader.create(blocknumber=10,
prev_headerhash=sha256(b'prevblock'),
prev_timestamp=1234567890,
hashedtransactions=sha256(b'tx1'),
fee_reward=1)
qrlnode.get_blockheader_and_metadata = MagicMock(
return_value=[block_header, BlockMetadata()])
service = MiningAPIService(qrlnode)
req = qrlmining_pb2.GetBlockMiningCompatibleReq(height=10)
answer = service.GetBlockMiningCompatible(request=req, context=None)
self.assertEqual(10, answer.blockheader.block_number)
self.assertEqual(1, answer.blockheader.reward_fee)
def test_put_block_metadata(self):
with set_qrl_dir('no_data'):
with State() as state:
block_metadata = BlockMetadata.create()
block_metadata.update_last_headerhashes([b'test1', b'test2'], b'test3')
state.put_block_metadata(b'block_headerhash', block_metadata, None)
state.put_block_metadata(b'block_headerhash2', BlockMetadata.create(), None)
self.assertEqual(state.get_block_metadata(b'block_headerhash').to_json(),
block_metadata.to_json())
expected_json = b'{\n "blockDifficulty": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",\n ' \
b'"cumulativeDifficulty": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="\n}'
self.assertEqual(state.get_block_metadata(b'block_headerhash2').to_json(),
expected_json)
def gen_blocks(block_count, state, miner_address):
blocks = []
block = None
with mock.patch('qrl.core.misc.ntp.getTime') as time_mock:
time_mock.return_value = 1615270948
addresses_state = dict()
for i in range(0, block_count):
if i == 0:
block = GenesisBlock()
for genesis_balance in GenesisBlock().genesis_balance:
bytes_addr = genesis_balance.address
addresses_state[bytes_addr] = AddressState.get_default(
bytes_addr)
addresses_state[
bytes_addr]._data.balance = genesis_balance.balance
else:
block = Block.create(block_number=i,
prev_headerhash=block.headerhash,
prev_timestamp=block.timestamp,
transactions=[],
miner_address=miner_address)
addresses_set = state.prepare_address_list(block)
for address in addresses_set:
addresses_state[address] = state.get_address_state(address)
for tx_protobuf in block.transactions:
tx = Transaction.from_pbdata(tx_protobuf)
tx.apply_state_changes(addresses_state)
block.set_nonces(10, 0)
blocks.append(block)
metadata = BlockMetadata()
metadata.set_block_difficulty(StringToUInt256('256'))
state.put_block_metadata(block.headerhash, metadata, None)
state.put_block(block, None)
bm = qrl_pb2.BlockNumberMapping(
headerhash=block.headerhash,
prev_headerhash=block.prev_headerhash)
state.put_block_number_mapping(block.block_number, bm, None)
state.update_mainchain_height(block.block_number, None)
state.put_addresses_state(addresses_state)
return blocks
def add_block_metadata(self, headerhash, block_timestamp,
parent_headerhash, batch):
block_metadata = self.state.get_block_metadata(headerhash)
if not block_metadata:
block_metadata = BlockMetadata.create()
parent_metadata = self.state.get_block_metadata(parent_headerhash)
block_difficulty = (0, ) * 32 # 32 bytes to represent 256 bit of 0
block_cumulative_difficulty = (
0, ) * 32 # 32 bytes to represent 256 bit of 0
if not parent_metadata:
parent_metadata = BlockMetadata.create()
else:
parent_block = self.state.get_block(parent_headerhash)
if parent_block:
parent_block_difficulty = parent_metadata.block_difficulty
parent_cumulative_difficulty = parent_metadata.cumulative_difficulty
if not parent_metadata.is_orphan:
block_metadata.update_last_headerhashes(
parent_metadata.last_N_headerhashes, parent_headerhash)
measurement = self.state.get_measurement(
block_timestamp, parent_headerhash, parent_metadata)
block_difficulty, _ = DifficultyTracker.get(
measurement=measurement,
parent_difficulty=parent_block_difficulty)
block_cumulative_difficulty = StringToUInt256(
str(
int(UInt256ToString(block_difficulty)) +
int(UInt256ToString(parent_cumulative_difficulty)))
)
block_metadata.set_orphan(parent_metadata.is_orphan)
block_metadata.set_block_difficulty(block_difficulty)
block_metadata.set_cumulative_difficulty(block_cumulative_difficulty)
parent_metadata.add_child_headerhash(headerhash)
self.state.put_block_metadata(parent_headerhash, parent_metadata,
batch)
self.state.put_block_metadata(headerhash, block_metadata, batch)
# Call once to populate the cache
self.state.get_block_datapoint(headerhash)
def test_put_block_metadata(self):
with set_qrl_dir('no_data'):
with State() as state:
block_metadata = BlockMetadata.create(False)
block_metadata.update_last_headerhashes([b'test1', b'test2'],
b'test3')
state.put_block_metadata(b'block_headerhash', block_metadata,
None)
state.put_block_metadata(b'block_headerhash2', BlockMetadata(),
None)
self.assertEqual(
state.get_block_metadata(b'block_headerhash').to_json(),
block_metadata.to_json())
self.assertEqual(
state.get_block_metadata(b'block_headerhash2').to_json(),
b'{}')
def test_get_block_metadata(self):
with set_qrl_dir('no_data'):
with State() as state:
self.assertIsNone(state.get_block_metadata(b'test1'))
state.put_block_metadata(b'block_headerhash2', BlockMetadata(),
None)
self.assertEqual(
state.get_block_metadata(b'block_headerhash2').to_json(),
b'{}')
def test_get_measurement(self):
def block(headerhash):
nth_block = Block()
if headerhash == b'test_block_1':
nth_block.blockheader._data.timestamp_seconds = 50000
elif headerhash == b'test_block_2':
nth_block.blockheader._data.timestamp_seconds = 80000
elif headerhash == b'test_block_3':
nth_block.blockheader._data.timestamp_seconds = 90000
return nth_block
with set_qrl_dir('no_data'):
with State() as state:
parent_metadata = BlockMetadata.create(block_difficulty=b'\x00' * 32,
cumulative_difficulty=b'\x00' * 32,
child_headerhashes=[])
measurement = state.get_measurement(block_timestamp=100000,
parent_headerhash=b'',
parent_metadata=parent_metadata)
# Test Case, when count_headerhashes equals 0
self.assertEqual(measurement, config.dev.mining_setpoint_blocktime)
state.get_block = MagicMock(side_effect=block)
parent_metadata.update_last_headerhashes([], b'test_block_1')
measurement = state.get_measurement(block_timestamp=100000,
parent_headerhash=b'test_block_1',
parent_metadata=parent_metadata)
# Test Case, when count_headerhashes equals 1
self.assertEqual(measurement,
(100000 - 50000 + config.dev.mining_setpoint_blocktime) // 2)
parent_metadata.update_last_headerhashes([b'test_block_1'], b'test_block_2')
measurement = state.get_measurement(block_timestamp=100000,
parent_headerhash=b'test_block_2',
parent_metadata=parent_metadata)
# Test Case, when count_headerhashes is greater than 1
# but less than config.dev.N_measurement
self.assertEqual(measurement,
(100000 - 80000 + config.dev.mining_setpoint_blocktime) // 2)
parent_metadata.update_last_headerhashes([b'test_block_3'] * config.dev.N_measurement,
b'test_block_2')
measurement = state.get_measurement(block_timestamp=100000,
parent_headerhash=b'test_block_2',
parent_metadata=parent_metadata)
# Test Case, when count_headerhashes is greater than config.dev.N_measurement
self.assertEqual(measurement,
(100000 - 90000) // config.dev.N_measurement)
def load(self, genesis_block):
height = self.state.get_mainchain_height()
if height == -1:
self.state.put_block(genesis_block, None)
block_number_mapping = qrl_pb2.BlockNumberMapping(headerhash=genesis_block.headerhash,
prev_headerhash=genesis_block.prev_headerhash)
self.state.put_block_number_mapping(genesis_block.block_number, block_number_mapping, None)
parent_difficulty = StringToUInt256(str(config.dev.genesis_difficulty))
self.current_difficulty, _ = DifficultyTracker.get(
measurement=config.dev.mining_setpoint_blocktime,
parent_difficulty=parent_difficulty)
block_metadata = BlockMetadata.create()
block_metadata.set_orphan(False)
block_metadata.set_block_difficulty(self.current_difficulty)
block_metadata.set_cumulative_difficulty(self.current_difficulty)
self.state.put_block_metadata(genesis_block.headerhash, block_metadata, None)
addresses_state = dict()
for genesis_balance in GenesisBlock().genesis_balance:
bytes_addr = genesis_balance.address
addresses_state[bytes_addr] = AddressState.get_default(bytes_addr)
addresses_state[bytes_addr]._data.balance = genesis_balance.balance
for tx_idx in range(1, len(genesis_block.transactions)):
tx = Transaction.from_pbdata(genesis_block.transactions[tx_idx])
for addr in tx.addrs_to:
addresses_state[addr] = AddressState.get_default(addr)
coinbase_tx = Transaction.from_pbdata(genesis_block.transactions[0])
if not isinstance(coinbase_tx, CoinBase):
return False
addresses_state[coinbase_tx.addr_to] = AddressState.get_default(coinbase_tx.addr_to)
if not coinbase_tx.validate_extended():
return False
coinbase_tx.apply_on_state(addresses_state)
for tx_idx in range(1, len(genesis_block.transactions)):
tx = Transaction.from_pbdata(genesis_block.transactions[tx_idx])
tx.apply_on_state(addresses_state)
self.state.state_objects.update_current_state(addresses_state)
self.state.state_objects.update_tx_metadata(genesis_block, None)
self.state.state_objects.push(genesis_block.headerhash)
else:
self.last_block = self.get_block_by_number(height)
self.current_difficulty = self.state.get_block_metadata(self.last_block.headerhash).block_difficulty
def test_block_metadata(self):
with set_data_dir('no_data'):
with State() as state:
alice_xmss = get_alice_xmss()
blocks = gen_blocks(20, state, alice_xmss.address)
for block in blocks:
state.put_block_metadata(block.headerhash, BlockMetadata(), None)
for block in blocks:
self.assertEqual(state.get_block_metadata(block.headerhash).to_json(), b'{}')
def get_block_metadata(self, header_hash: bytes) -> Optional[BlockMetadata]:
try:
json_data = self._db.get_raw(b'metadata_' + bin2hstr(header_hash).encode())
return BlockMetadata.from_json(json_data)
except KeyError:
logger.debug('[get_block_metadata] Block header_hash %s not found',
b'metadata_' + bin2hstr(header_hash).encode())
except Exception as e:
logger.error('[get_block_metadata] %s', e)
return None
def get_block_metadata(self, header_hash: bytes) -> Optional[BlockMetadata]:
try:
json_data = self._db.get_raw(b'metadata_' + bin2hstr(header_hash).encode())
return BlockMetadata.from_json(json_data)
except KeyError:
logger.debug('[get_block_metadata] Block header_hash %s not found',
b'metadata_' + bin2hstr(header_hash).encode())
except Exception as e:
logger.error('[get_block_metadata] %s', e)
return None
def gen_blocks(block_count, state, miner_address):
blocks = []
with mock.patch('qrl.core.misc.ntp.getTime') as time_mock:
time_mock.return_value = 1615270948
prev_hash = bytes(sha2_256(b'test'))
for i in range(0, block_count):
block = Block.create(block_number=i,
prevblock_headerhash=prev_hash,
transactions=[],
miner_address=miner_address)
block.set_nonces(10, 0)
blocks.append(block)
metadata = BlockMetadata()
metadata.set_block_difficulty(256)
state.put_block_metadata(block.headerhash, metadata, None)
state.put_block(block, None)
prev_hash = bytes(block.headerhash)
return blocks
def test_get_block_metadata(self):
with set_qrl_dir('no_data'):
with State() as state:
self.assertIsNone(state.get_block_metadata(b'test1'))
state.put_block_metadata(b'block_headerhash2', BlockMetadata.create(), None)
tmp_json = state.get_block_metadata(b'block_headerhash2').to_json()
expected_json = b'{\n "blockDifficulty": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",\n ' \
b'"cumulativeDifficulty": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="\n}'
self.assertEqual(tmp_json, expected_json)
def test_GetLastBlockHeader(self):
self.block_header_params["blocknumber"] = 20
block_header = BlockHeader.create(**self.block_header_params)
self.chain_manager.height = 200
self.qrlnode.get_blockheader_and_metadata = MagicMock(
return_value=[block_header, BlockMetadata()])
req = qrlmining_pb2.GetLastBlockHeaderReq(height=20)
answer = self.service.GetLastBlockHeader(request=req, context=None)
self.assertEqual(180, answer.depth)
self.assertEqual(200, answer.height)
def add_block_metadata(self,
headerhash,
block_timestamp,
parent_headerhash,
batch):
parent_metadata = self.state.get_block_metadata(parent_headerhash)
block_difficulty = (0,) * 32 # 32 bytes to represent 256 bit of 0
block_cumulative_difficulty = (0,) * 32 # 32 bytes to represent 256 bit of 0
if not parent_metadata:
parent_metadata = BlockMetadata.create()
else:
parent_block = self.state.get_block(parent_headerhash)
if parent_block:
parent_block_difficulty = parent_metadata.block_difficulty
parent_cumulative_difficulty = parent_metadata.cumulative_difficulty
if not parent_metadata.is_orphan:
measurement = self.state.get_measurement(block_timestamp, parent_headerhash)
block_difficulty, _ = self._difficulty_tracker.get(
measurement=measurement,
parent_difficulty=parent_block_difficulty)
block_cumulative_difficulty = StringToUInt256(str(
int(UInt256ToString(block_difficulty)) +
int(UInt256ToString(parent_cumulative_difficulty))))
block_metadata = self.state.get_block_metadata(headerhash)
if not block_metadata:
block_metadata = BlockMetadata.create()
block_metadata.set_orphan(parent_metadata.is_orphan)
block_metadata.set_block_difficulty(block_difficulty)
block_metadata.set_cumulative_difficulty(block_cumulative_difficulty)
parent_metadata.add_child_headerhash(headerhash)
self.state.put_block_metadata(parent_headerhash, parent_metadata, batch)
self.state.put_block_metadata(headerhash, block_metadata, batch)
def test_GetBlockMiningCompatible(self):
block_header = BlockHeader.create(**self.block_header_params)
self.qrlnode.get_blockheader_and_metadata = MagicMock(
return_value=[block_header, BlockMetadata()])
req = qrlmining_pb2.GetBlockMiningCompatibleReq(height=10)
answer = self.service.GetBlockMiningCompatible(request=req,
context=None)
self.assertEqual(10, answer.blockheader.block_number)
self.assertEqual(1, answer.blockheader.reward_fee)
# if QRLNode responds with None, None, the GRPC response should be blank too
self.qrlnode.get_blockheader_and_metadata = MagicMock(
return_value=[None, None])
answer = self.service.GetBlockMiningCompatible(request=req,
context=None)
self.assertEqual(0, answer.blockheader.block_number)
self.assertEqual(0, answer.blockheader.reward_fee)
def put_block_metadata(self, headerhash: bytes,
block_metadata: BlockMetadata, batch):
self._db.put_raw(b'metadata_' + bin2hstr(headerhash).encode(),
block_metadata.to_json(), batch)
def load(self, genesis_block):
# load() has the following tasks:
# Write Genesis Block into State immediately
# Register block_number <-> blockhash mapping
# Calculate difficulty Metadata for Genesis Block
# Generate AddressStates from Genesis Block balances
# Apply Genesis Block's transactions to the state
# Detect if we are forked from genesis block and if so initiate recovery.
height = self._state.get_mainchain_height()
if height == -1:
self._state.put_block(genesis_block, None)
block_number_mapping = qrl_pb2.BlockNumberMapping(
headerhash=genesis_block.headerhash,
prev_headerhash=genesis_block.prev_headerhash)
self._state.put_block_number_mapping(genesis_block.block_number,
block_number_mapping, None)
parent_difficulty = StringToUInt256(
str(config.user.genesis_difficulty))
self.current_difficulty, _ = DifficultyTracker.get(
measurement=config.dev.mining_setpoint_blocktime,
parent_difficulty=parent_difficulty)
block_metadata = BlockMetadata.create()
block_metadata.set_block_difficulty(self.current_difficulty)
block_metadata.set_cumulative_difficulty(self.current_difficulty)
self._state.put_block_metadata(genesis_block.headerhash,
block_metadata, None)
addresses_state = dict()
for genesis_balance in GenesisBlock().genesis_balance:
bytes_addr = genesis_balance.address
addresses_state[bytes_addr] = AddressState.get_default(
bytes_addr)
addresses_state[
bytes_addr]._data.balance = genesis_balance.balance
for tx_idx in range(1, len(genesis_block.transactions)):
tx = Transaction.from_pbdata(
genesis_block.transactions[tx_idx])
for addr in tx.addrs_to:
addresses_state[addr] = AddressState.get_default(addr)
coinbase_tx = Transaction.from_pbdata(
genesis_block.transactions[0])
if not isinstance(coinbase_tx, CoinBase):
return False
addresses_state[coinbase_tx.addr_to] = AddressState.get_default(
coinbase_tx.addr_to)
if not coinbase_tx.validate_extended(genesis_block.block_number):
return False
coinbase_tx.apply_state_changes(addresses_state)
for tx_idx in range(1, len(genesis_block.transactions)):
tx = Transaction.from_pbdata(
genesis_block.transactions[tx_idx])
tx.apply_state_changes(addresses_state)
self._state.put_addresses_state(addresses_state)
self._state.update_tx_metadata(genesis_block, None)
self._state.update_mainchain_height(0, None)
else:
self._last_block = self.get_block_by_number(height)
self.current_difficulty = self._state.get_block_metadata(
self._last_block.headerhash).block_difficulty
fork_state = self._state.get_fork_state()
if fork_state:
block = self._state.get_block(fork_state.initiator_headerhash)
self._fork_recovery(block, fork_state)
def put_block_metadata(self, headerhash: bytes,
block_metadata: BlockMetadata, batch):
self._db.put_raw(b'metadata_' + headerhash, block_metadata.serialize(),
batch)
def gen_blocks(block_count, state, miner_address):
blocks = []
block = None
with mock.patch('qrl.core.misc.ntp.getTime') as time_mock:
time_mock.return_value = 1615270948
addresses_state = dict()
for i in range(0, block_count):
if i == 0:
block = GenesisBlock()
for genesis_balance in GenesisBlock().genesis_balance:
bytes_addr = genesis_balance.address
addresses_state[
bytes_addr] = OptimizedAddressState.get_default(
bytes_addr)
addresses_state[
bytes_addr]._data.balance = genesis_balance.balance
else:
block = Block.create(dev_config=config.dev,
block_number=i,
prev_headerhash=block.headerhash,
prev_timestamp=block.timestamp,
transactions=[],
miner_address=miner_address,
seed_height=None,
seed_hash=None)
addresses_set = ChainManager.set_affected_address(block)
coin_base_tx = Transaction.from_pbdata(block.transactions[0])
coin_base_tx.set_affected_address(addresses_set)
chain_manager = ChainManager(state)
state_container = chain_manager.new_state_container(
addresses_set, block.block_number, False, None)
coin_base_tx.apply(state, state_container)
for tx_idx in range(1, len(block.transactions)):
tx = Transaction.from_pbdata(block.transactions[tx_idx])
if not chain_manager.update_state_container(
tx, state_container):
return False
tx.apply(state, state_container)
block.set_nonces(dev_config=config.dev,
mining_nonce=10,
extra_nonce=0)
blocks.append(block)
metadata = BlockMetadata()
metadata.set_block_difficulty(StringToUInt256('256'))
BlockMetadata.put_block_metadata(state, block.headerhash, metadata,
None)
Block.put_block(state, block, None)
bm = qrl_pb2.BlockNumberMapping(
headerhash=block.headerhash,
prev_headerhash=block.prev_headerhash)
Block.put_block_number_mapping(state, block.block_number, bm, None)
state.update_mainchain_height(block.block_number, None)
OptimizedAddressState.put_optimized_addresses_state(
state, addresses_state)
return blocks