def import_block(self,
block: BaseBlock,
perform_validation: bool = True) -> BaseBlock:
"""
Imports a complete block.
"""
try:
parent_header = self.get_block_header_by_hash(
block.header.parent_hash)
except HeaderNotFound:
raise ValidationError(
"Attempt to import block #{}. Cannot import block {} before importing "
"its parent block at {}".format(
block.number,
block.hash,
block.header.parent_hash,
))
base_header_for_import = self.create_header_from_parent(parent_header)
imported_block = self.get_vm(base_header_for_import).import_block(
block)
# Validate the imported block.
if perform_validation:
ensure_imported_block_unchanged(imported_block, block)
self.validate_block(imported_block)
self.chaindb.persist_block(imported_block)
self.logger.debug(
'IMPORTED_BLOCK: number %s | hash %s',
imported_block.number,
encode_hex(imported_block.hash),
)
return imported_block
def import_block(self, block, perform_validation=True):
"""
Imports a complete block.
"""
if block.number > self.header.block_number:
raise ValidationError(
"Attempt to import block #{0}. Cannot import block with number "
"greater than current block #{1}.".format(
block.number,
self.header.block_number,
)
)
parent_chain = self.get_chain_at_block_parent(block)
imported_block = parent_chain.get_vm().import_block(block)
# Validate the imported block.
if perform_validation:
ensure_imported_block_unchanged(imported_block, block)
self.validate_block(imported_block)
self.chaindb.persist_block(imported_block)
self.header = self.create_header_from_parent(self.get_canonical_head())
self.logger.debug(
'IMPORTED_BLOCK: number %s | hash %s',
imported_block.number,
encode_hex(imported_block.hash),
)
return imported_block
def import_block(self, block, perform_validation=True):
"""
Imports a complete block.
"""
if block.number > self.header.block_number:
raise ValidationError(
"Attempt to import block #{0}. Cannot import block with number "
"greater than current block #{1}.".format(
block.number,
self.header.block_number,
)
)
parent_chain = self.get_chain_at_block_parent(block)
imported_block = parent_chain.get_vm().import_block(block)
# Validate the imported block.
if perform_validation:
ensure_imported_block_unchanged(imported_block, block)
self.validate_block(imported_block)
self.chaindb.persist_block_to_db(imported_block)
self.header = self.create_header_from_parent(self.get_canonical_head())
self.logger.debug(
'IMPORTED_BLOCK: number %s | hash %s',
imported_block.number,
encode_hex(imported_block.hash),
)
return imported_block
