def get_block_by_hash(self, block_hash):
"""
Returns the requested block as specified by block hash.
"""
validate_word(block_hash, title="Block Hash")
block_header = self.get_block_header_by_hash(block_hash)
return self.get_block_by_header(block_header)
def get_block_by_hash(self, block_hash):
"""
Returns the requested block as specified by block hash.
"""
validate_word(block_hash, title="Block Hash")
block_header = self.get_block_header_by_hash(block_hash)
return self.get_block_by_header(block_header)
def get_block_by_hash(self, block_hash):
"""
Returns the requested block as specified by block hash.
"""
validate_word(block_hash)
block_header = self.get_block_header_by_hash(block_hash)
vm = self.get_vm(block_header)
return vm.get_block_by_header(block_header)
def get_block_header_by_hash(self, block_hash):
"""
Returns the requested block header as specified by block hash.
Raises BlockNotFound if there's no block header with the given hash in the db.
"""
validate_word(block_hash, title="Block Hash")
return self.chaindb.get_block_header_by_hash(block_hash)
def get_block_header_by_hash(self, block_hash):
"""
Returns the requested block header as specified by block hash.
Raises BlockNotFound if there's no block header with the given hash in the db.
"""
validate_word(block_hash, title="Block Hash")
return self.chaindb.get_block_header_by_hash(block_hash)
def get_block_header_by_hash(self, block_hash):
"""
Returns the requested block header as specified by block hash.
Raises BlockNotFound if it is not present in the db.
"""
validate_word(block_hash, title="Block Hash")
try:
block = self.db.get(block_hash)
except KeyError:
raise BlockNotFound("No block with hash {0} found".format(
encode_hex(block_hash)))
return rlp.decode(block, sedes=BlockHeader)
def get_block_uncles(self, uncles_hash: Hash32) -> List[BlockHeader]:
"""
Returns an iterable of uncle headers specified by the given uncles_hash
"""
validate_word(uncles_hash, title="Uncles Hash")
try:
encoded_uncles = self.db[uncles_hash]
except KeyError:
raise HeaderNotFound(
"No uncles found for hash {0}".format(uncles_hash))
else:
return rlp.decode(encoded_uncles,
sedes=rlp.sedes.CountableList(BlockHeader))
def get_block_header_by_hash(self, block_hash: Hash32) -> BlockHeader:
"""
Returns the requested block header as specified by block hash.
Raises HeaderNotFound if it is not present in the db.
"""
validate_word(block_hash, title="Block Hash")
try:
header_rlp = self.db[block_hash]
except KeyError:
raise HeaderNotFound("No header with hash {0} found".format(
encode_hex(block_hash)))
return _decode_block_header(header_rlp)
def get_block_header_by_hash(self, block_hash):
"""
Returns the requested block header as specified by block hash.
Raises BlockNotFound if it is not present in the db.
"""
validate_word(block_hash, title="Block Hash")
try:
block = self.db.get(block_hash)
except KeyError:
raise BlockNotFound("No block with hash {0} found".format(
encode_hex(block_hash)))
return rlp.decode(block, sedes=BlockHeader)
def validate(self):
validate_uint256(self.chain_id, title="Transaction.chain_id")
validate_uint256(self.shard_id, title="Transaction.shard_id")
validate_canonical_address(self.to, title="Transaction.to")
validate_is_bytes(self.data, title="Transaction.data")
validate_uint256(self.gas, title="Transaction.gas")
validate_transaction_access_list(self.access_list,
title="Transaction.access_list")
validate_is_bytes(self.code, title="Transaction.code")
validate_word(self.salt, title="Transaction.salt")
super(ShardingTransaction, self).validate()
def get_block_uncles(self, uncles_hash):
validate_word(uncles_hash, title="Uncles Hash")
return rlp.decode(self.db.get(uncles_hash), sedes=rlp.sedes.CountableList(BlockHeader))
def get_block_uncles(self, uncles_hash):
validate_word(uncles_hash, title="Uncles Hash")
return rlp.decode(self.db.get(uncles_hash), sedes=rlp.sedes.CountableList(BlockHeader))
def header_exists(self, block_hash: Hash32) -> bool:
validate_word(block_hash, title="Block Hash")
return block_hash in self.db
def test_validate_word(value, is_valid):
if is_valid:
validate_word(value)
else:
with pytest.raises(ValidationError):
validate_word(value)
def test_validate_word(value, is_valid):
if is_valid:
validate_word(value)
else:
with pytest.raises(ValidationError):
validate_word(value)
