def from_json(json_block):
"""
Constructor a block from a json string
:param json_block: a block serialized as a json string
:return: A block
"""
tmp_block = Block()
json_block = json.loads(json_block)
tmp_block.blockheader = BlockHeader.from_json(
json_block['blockheader'])
if tmp_block.blockheader.blocknumber == 0:
tmp_block.state = json_block['state']
tmp_block.stake_list = json_block['stake_list']
json_transactions = json_block['transactions']
json_duplicate_transactions = json_block['duplicate_transactions']
tmp_block.transactions = [
Transaction.from_txdict(tx) for tx in json_transactions
]
tmp_block.duplicate_transactions = [
DuplicateTransaction().from_txdict(tx)
for tx in json_duplicate_transactions
]
return tmp_block
def json_to_block(self, json_block):
self.blockheader = BlockHeader()
self.blockheader.json_to_blockheader(json_block['blockheader'])
transactions = json_block['transactions']
self.transactions = []
for tx in transactions:
self.transactions.append(Transaction.from_txdict(tx))
duplicate_transactions = json_block['duplicate_transactions']
self.duplicate_transactions = []
for tx in duplicate_transactions:
self.duplicate_transactions.append(
DuplicateTransaction().from_txdict(tx))
if self.blockheader.blocknumber == 0:
self.state = json_block['state']
self.stake_list = json_block['stake_list']
