class ChildChain(object):
def __init__(self, operator, root_chain):
self.operator = operator
self.root_chain = root_chain
self.chain = Chain(self.operator)
self.current_block = Block(number=self.chain.next_child_block)
# Listen for events
self.event_listener = RootEventListener(root_chain, confirmations=0)
self.event_listener.on('Deposit', self.apply_deposit)
self.event_listener.on('ExitStarted', self.apply_exit)
def apply_exit(self, event):
event_args = event['args']
utxo_id = event_args['utxoPos']
self.chain.mark_utxo_spent(utxo_id)
def apply_deposit(self, event):
event_args = event['args']
owner = event_args['depositor']
amount = event_args['amount']
blknum = event_args['depositBlock']
deposit_tx = get_deposit_tx(owner, amount)
deposit_block = Block([deposit_tx], number=blknum)
self.chain.add_block(deposit_block)
def apply_transaction(self, tx):
self.chain.validate_transaction(tx, self.current_block.spent_utxos)
self.current_block.add_transaction(tx)
return encode_utxo_id(self.current_block.number,
len(self.current_block.transaction_set) - 1, 0)
def submit_block(self, block):
self.chain.add_block(block)
self.root_chain.transact({
'from': self.operator
}).submitBlock(block.merkle.root)
self.current_block = Block(number=self.chain.next_child_block)
def get_transaction(self, tx_id):
return self.chain.get_transaction(tx_id)
def get_block(self, blknum):
return self.chain.get_block(blknum)
def get_current_block(self):
return self.current_block
def get_all_blocks(self):
for b in list(self.chain.blocks.values()):
b.print_debug()
return ""
class ChildChain(object):
def __init__(self, operator, root_chain):
self.operator = operator
self.root_chain = root_chain
self.chain = Chain(self.operator)
self.current_block = Block(number=self.chain.next_child_block)
# Listen for events
self.event_listener = RootEventListener(root_chain, confirmations=0)
self.event_listener.on('Deposit', self.apply_deposit)
self.event_listener.on('ExitStarted', self.apply_exit)
def apply_exit(self, event):
event_args = event['args']
utxo_id = event_args['utxoPos']
self.chain.mark_utxo_spent(utxo_id)
def apply_deposit(self, event):
event_args = event['args']
owner = event_args['depositor']
amount = event_args['amount']
blknum = event_args['depositBlock']
deposit_tx = get_deposit_tx(owner, amount)
deposit_block = Block([deposit_tx], number=blknum)
self.chain.add_block(deposit_block)
def apply_transaction(self, tx):
self.chain.validate_transaction(tx, self.current_block.spent_utxos)
self.current_block.add_transaction(tx)
return encode_utxo_id(self.current_block.number,
len(self.current_block.transaction_set) - 1, 0)
def submit_block(self, block):
if isinstance(block, str):
block = rlp.decode(utils.decode_hex(block), Block)
self.chain.add_block(block)
self.root_chain.transact({
'from':
utils.checksum_encode(address_to_hex(self.operator))
}).submitBlock(block.merkle.root)
self.current_block = Block(number=self.chain.next_child_block)
def get_transaction(self, tx_id):
return self.chain.get_transaction(tx_id)
def get_block(self, blknum):
return rlp.encode(self.chain.get_block(blknum), Block).hex()
def get_current_block(self):
return rlp.encode(self.current_block, Block).hex()
class ChildChain(object):
def __init__(self, operator, root_chain):
self.operator = operator
self.root_chain = root_chain
self.chain = Chain(self.operator)
self.current_block = Block(number=self.chain.next_child_block)
print("self.current_block {0}".format(self.current_block.number))
# Listen for events
self.event_listener = RootEventListener(root_chain, confirmations=0)
self.event_listener.on('Deposit', self.apply_deposit)
self.event_listener.on('ExitStarted', self.apply_exit)
self.event_listener.on('MsgSender', self.msgsender)
self.event_listener.on('FinalState', self.finalstate)
self.event_listener.on('forDebug01', self.debug01)
def debug01(self, event):
print("debug01 {0}".format(event['args']))
def finalstate(self, event):
print("finalstate {0}".format(event['args']))
event_args = event['args']
dmapping = event_args['dmapping']
print("pickle {}".format(pickle.loads(dmapping)))
def msgsender(self, event):
print("msgsender {0}".format(event['args']))
def apply_exit(self, event):
print("exit started {0}".format(event['args']))
event_args = event['args']
utxo_id = event_args['utxoPos']
blknum = utxo_id / 1000000000
print("blknum {0}".format(blknum))
block = self.chain.get_block(blknum)
print("Files {}".format(block.transaction_set[0].files))
self.chain.mark_utxo_spent(utxo_id)
def apply_deposit(self, event):
print("apply deposit {0}".format(event['args']))
event_args = event['args']
owner = event_args['depositor']
amount = event_args['amount']
blknum = event_args['depositBlock']
deposit_tx = get_deposit_tx(owner, amount)
deposit_block = Block([deposit_tx], number=blknum)
self.chain.add_block(deposit_block)
def apply_transaction(self, tx):
print("spent_utxos {0} {1}".format(self.current_block.spent_utxos,
self.current_block.number))
self.chain.validate_transaction(tx, self.current_block.spent_utxos)
self.current_block.add_transaction(tx)
return encode_utxo_id(self.current_block.number,
len(self.current_block.transaction_set) - 1, 0)
def submit_block(self, block):
self.chain.add_block(block)
self.root_chain.transact({
'from': self.operator
}).submitBlock(block.merkle.root)
self.current_block = Block(number=self.chain.next_child_block)
def get_transaction(self, tx_id):
return self.chain.get_transaction(tx_id)
def get_block(self, blknum):
return self.chain.get_block(blknum)
def get_current_block(self):
print("current block")
return self.current_block
def get_current_block_num(self):
print("current block num")
return self.current_block.number
def get_test(self):
print("get test")
return self.chain.get_test()
def set_test(self, num):
print("set test")
print("Data type of argument:", type(num))
blknum = self.chain.next_deposit_block
file_block = Block(None, blknum, NULL_SIGNATURE)
self.chain.add_block(file_block)
print("Number {} {} {}".format(num, file_block.number,
self.chain.next_deposit_block))
tx = Transaction(
blknum, 0, 0, 0, 0, 0, utils.normalize_address(0x0),
utils.normalize_address(
'0xfd02EcEE62797e75D86BCff1642EB0844afB28c7'), 1,
utils.normalize_address(NULL_ADDRESS), 1, NULL_SIGNATURE,
NULL_SIGNATURE, num)
key1 = '3bb369fecdc16b93b99514d8ed9c2e87c5824cf4a6a98d2e8e91b7dd0c063304'
print("Data type of key1:", type(key1))
tx.sign1(utils.normalize_key(key1))
self.current_block.add_transaction(tx)
print("Added {}".format(self.current_block.transaction_set[0]))
print("Added {}".format(self.current_block.transaction_set[0].files))
self.chain.set_test(num)
def set_dict(self, **num):
print("set test")
print("Data type of argument:", type(num))
for key, value in num.items():
print("{} is {}".format(key, value))
#self.root_chain.deposit(transact={'from': owner, 'value': amount})
mapping = {}
mapping.update(num)
for key, value in mapping.items():
print("{} is {}".format(key, value))
#convert dict to binary string
bin_mapping = pickle.dumps(mapping)
blknum = self.chain.next_deposit_block
new_block = Block(None, blknum, NULL_SIGNATURE)
new_block.add_mapping(mapping)
self.chain.add_block(new_block)
print("Number {} {}".format(new_block.number,
self.chain.next_deposit_block))
tx = Transaction(
blknum, 0, 0, 0, 0, 0, utils.normalize_address(0x0),
utils.normalize_address(
'0xfd02EcEE62797e75D86BCff1642EB0844afB28c7'), 1,
utils.normalize_address(NULL_ADDRESS), 1, NULL_SIGNATURE,
NULL_SIGNATURE, 0, bin_mapping)
key1 = '3bb369fecdc16b93b99514d8ed9c2e87c5824cf4a6a98d2e8e91b7dd0c063304'
print("Data type of key1:", type(key1))
tx.sign1(utils.normalize_key(key1))
self.current_block.add_transaction(tx)
print("Added {}".format(self.current_block.transaction_set[0]))
print("Added {}".format(self.current_block.transaction_set[0].mapping))
self.chain.set_dict(**num)
def hello(self):
print("hello")