def readBlockHash(self, chunk_id, hash_datatype):
bevy_id = old_div(chunk_id, self.chunks_per_segment)
bevy_blockHash_urn = self._get_block_hash_urn(bevy_id, hash_datatype)
blockLength = hashes.length(hash_datatype)
with self.resolver.AFF4FactoryOpen(
bevy_blockHash_urn) as bevy_blockHashes:
idx = chunk_id * blockLength
bevy_blockHashes.SeekRead(idx)
hash_value = bevy_blockHashes.Read(blockLength)
return hashes.newImmutableHash(binascii.hexlify(hash_value),
hash_datatype)
def readBlockHash(self, chunk_id, hash_datatype):
bevy_id = old_div(chunk_id, self.chunks_per_segment)
bevy_blockHash_urn = self.urn.Append(
"%08d.blockHash.%s" %
(bevy_id, hashes.toShortAlgoName(hash_datatype)))
blockLength = hashes.length(hash_datatype)
with self.resolver.AFF4FactoryOpen(
bevy_blockHash_urn) as bevy_blockHashes:
idx = chunk_id * blockLength
bevy_blockHashes.Seek(idx)
hash_value = bevy_blockHashes.Read(blockLength)
return hashes.newImmutableHash(hash_value.encode('hex'),
hash_datatype)