async def wallet_next_block_check(
peer: WSChiaConnection, potential_peek: uint32, blockchain: BlockchainInterface
) -> bool:
block_response = await peer.request_header_blocks(
wallet_protocol.RequestHeaderBlocks(potential_peek, potential_peek)
)
if block_response is not None and isinstance(block_response, wallet_protocol.RespondHeaderBlocks):
our_peak = blockchain.get_peak()
if our_peak is not None and block_response.header_blocks[0].prev_header_hash == our_peak.header_hash:
return True
return False
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 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)
)),
bytes(b"a" * 10),
bytes(b"a" * 10),
)],
)
reject_additions = wallet_protocol.RejectAdditionsRequest(
uint32(3457211200),
bytes32(
bytes.fromhex(
"4eb659e6dd727bc22191795692aae576922e56ae309871c352eede0c9dd8bb12")
),
)
request_header_blocks = wallet_protocol.RequestHeaderBlocks(
uint32(2858301848),
uint32(720941539),
)
reject_header_blocks = wallet_protocol.RejectHeaderBlocks(
uint32(876520264),
uint32(2908717391),
)
respond_header_blocks = wallet_protocol.RespondHeaderBlocks(
uint32(4130100992),
uint32(17664086),
[header_block],
)
coin_state = wallet_protocol.CoinState(
coin_1,