def _internal_block_put(self, block: payloads.Block, batch: WriteBatch = None) -> None:
if batch:
batch.put(self.BLOCK, block.hash(), block)
else:
self.db[self.BLOCK][block.hash()] = block
self.db[self.BLOCK_HEIGHT_MAP][block.index] = block.hash()
stored_value = -1
with suppress(KeyError):
stored_value = self._internal_bestblockheight_get()
if block.index > stored_value:
self._best_block_height = block.index
def _internal_block_put(self, block: payloads.Block, batch=None):
if batch:
db = batch
else:
db = self._real_db
block_height_bytes = block.index.to_bytes(4, 'little')
db.put(DBPrefixes.BLOCKS + block.hash().to_array(), block.to_array())
db.put(DBPrefixes.BLOCKS_HEIGHT_MAP + block_height_bytes, block.hash().to_array())
# this function is only called when putting blocks to the backend via the raw view, or when committing
# a snapshot view. Either way it is ok to persist the height
stored_value = -1
with suppress(KeyError):
stored_value = self._internal_bestblockheight_get()
if block.index > stored_value:
db.put(DBPrefixes.BLOCKS_BEST_HEIGHT, block_height_bytes)
def put(self, block: payloads.Block) -> None:
"""
Store a block.
Args:
block: instance.
Raises:
ValueError: if a duplicate item is found.
"""
block_hash = block.hash()
super(CachedBlockAccess, self)._put(block_hash, block)
self._height_hash_mapping.update({block.index: block_hash})