def userC_challenges_the_coin_spent_exit(context):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userC_key)
client.challenge_exit(uid, tx_blk_num=TRANSFER_TX_2_BLOCK)
time.sleep(5)
operator = Client(container.get_root_chain(), container.get_child_chain_client(), operator_key)
operator.submit_block()
def userB_starts_to_exit_some_eth_from_plasma_cash(context, amount):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userB_key)
client.start_exit(uid, prev_tx_blk_num=DEPOSIT_TX_BLOCK, tx_blk_num=TRANSFER_TX_1_BLOCK)
time.sleep(5)
operator = Client(container.get_root_chain(), container.get_child_chain_client(), operator_key)
operator.submit_block()
def userA_deposits_some_amount_of_eth_in_plasma_cash(context, amount):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userA_key)
client.deposit(amount=amount, currency=eth_currency)
time.sleep(5)
operator = Client(container.get_root_chain(), container.get_child_chain_client(), operator_key)
operator.submit_block()
def userA_transfers_some_eth_to_userB(context, amount):
prev_block = DEPOSIT_TX_BLOCK
client = Client(container.get_root_chain(), container.get_child_chain_client(), userA_key)
client.send_transaction(prev_block, uid, amount, userB)
operator = Client(container.get_root_chain(), container.get_child_chain_client(), operator_key)
operator.submit_block()
def userB_start_exit_some_eth_from_plasma_cash(context, amount):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userB_key)
client.start_exit(uid, prev_tx_blk_num=1, tx_blk_num=2)
time.sleep(5)
operator = Client(container.get_root_chain(), container.get_child_chain_client(), operator_key)
operator.submit_block()
def userA_starts_to_exit_deposit_from_plasma_cash(context, amount):
client = Client(container.get_root_chain(),
container.get_child_chain_client(), userA_key)
client.start_deposit_exit(uid, tx_blk_num=DEPOSIT_TX_BLOCK)
time.sleep(5)
operator = Client(container.get_root_chain(),
container.get_child_chain_client(), operator_key)
operator.submit_block()
def then_root_chain_cancels_the_challenge(context):
client = Client(container.get_root_chain(),
container.get_child_chain_client(), userD_key)
deposit_block = client.get_block(DEPOSIT_TX_BLOCK)
deposit_tx = deposit_block.get_tx_by_uid(uid)
root_chain = container.get_root_chain()
assert not root_chain.functions.isChallengeExisted(
uid, rlp.encode(deposit_tx)).call({'from': userD})
def userC_transfers_some_eth_to_userD(context, amount):
prev_block = TRANSFER_TX_2_BLOCK
client = Client(container.get_root_chain(),
container.get_child_chain_client(), userC_key)
client.send_transaction(prev_block, uid, amount, userD)
operator = Client(container.get_root_chain(),
container.get_child_chain_client(), operator_key)
operator.submit_block()
def sendTransaction():
print('sendTransaction')
#TODO
userA = Client(container.get_root_chain(), container.get_child_chain_client() , request.args.get('key'))
preblock = requests.post("http://127.0.0.1:26657/status").json()['result']['sync_info']['latest_block_height']
userA.send_transaction(int(preblock), int(request.args.get('uid')), int(request.args.get('amount')), request.args.get('receiver'))
return '0'
def userB_has_some_amount_of_eth_in_plasma_cash(context, amount):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userB_key)
block = client.get_block(TRANSFER_TX_BLOCK)
tx = block.get_tx_by_uid(uid)
assert tx.amount == amount, 'tx.amount {} != amount: {}'.format(tx.amount, amount)
assert_msg = 'tx.new_owner {} not same address as userB: {}'.format(tx.new_owner.hex(), userB)
assert address_equals(tx.new_owner.hex(), userB), assert_msg
def userA_tries_to_double_spend_some_eth_to_userC(context, amount):
invalid_tx = Transaction(DEPOSIT_TX_BLOCK, uid, 1, utils.normalize_address(userC))
invalid_tx.sign(utils.normalize_key(userA_key))
invalid_tx_merkle = SparseMerkleTree(257, {uid: invalid_tx.merkle_hash})
root_chain = container.get_root_chain()
root_chain.functions.submitBlock(invalid_tx_merkle.root, TRANSFER_TX_2_BLOCK).transact({
'from': operator
})
def userD_responds_to_the_history_challenge(context):
client = Client(container.get_root_chain(),
container.get_child_chain_client(), userD_key)
deposit_block = client.get_block(DEPOSIT_TX_BLOCK)
deposit_tx = deposit_block.get_tx_by_uid(uid)
client.respond_challenge_exit(rlp.encode(deposit_tx),
uid,
tx_blk_num=TRANSFER_TX_1_BLOCK)
time.sleep(5)
def userC_starts_to_exit_some_eth_from_plasma_cash(context, amount):
client = Client(container.get_root_chain(),
container.get_child_chain_client(), userC_key)
deposit_block = client.get_block(DEPOSIT_TX_BLOCK)
deposit_tx = deposit_block.get_tx_by_uid(uid)
deposit_block.merklize_transaction_set()
deposit_tx_proof = deposit_block.merkle.create_merkle_proof(uid)
# invalid tx doesn't exist in child chain
invalid_tx = Transaction(DEPOSIT_TX_BLOCK, uid, 1,
utils.normalize_address(userC))
invalid_tx.sign(utils.normalize_key(userA_key))
invalid_tx_merkle = SparseMerkleTree(257, {uid: invalid_tx.merkle_hash})
invalid_tx_proof = invalid_tx_merkle.create_merkle_proof(uid)
root_chain = container.get_root_chain()
root_chain.functions.startExit(
rlp.encode(deposit_tx), deposit_tx_proof, DEPOSIT_TX_BLOCK,
rlp.encode(invalid_tx), invalid_tx_proof,
TRANSFER_TX_2_BLOCK).transact({'from': userC})
time.sleep(5)
def setup_job_handler(job_handler):
root_chain = container.get_root_chain()
child_chain_client = container.get_child_chain_client()
apply_deposit_job = ApplyDepositJob(root_chain, child_chain_client)
submit_block_job = SubmitBlockJob(child_chain_client,
plasma_config['AUTHORITY_KEY'])
job_handler.add_job(submit_block_job, time_interval=SUBMIT_BLOCK_INTERVAL)
job_handler.add_job(apply_deposit_job,
time_interval=APPLY_DEPOSIT_INTERVAL)
return job_handler
def root_chain_got_the_start_deposit_exit_record(context):
root_chain = container.get_root_chain()
assert has_value(root_chain.functions.exits(uid).call({'from': userA}))
def the_challenge_is_successful_and_root_chain_cancels_the_exit(context):
root_chain = container.get_root_chain()
assert not has_value(root_chain.functions.exits(uid).call({'from': userB}))
def root_chain_got_userB_start_exit(context, amount):
root_chain = container.get_root_chain()
assert has_value(root_chain.functions.exits(uid).call())
def userC_challenges_the_spent_coin_exit(context):
client = Client(container.get_root_chain(),
container.get_child_chain_client(), userB_key)
client.challenge_exit(uid, tx_blk_num=DEPOSIT_TX_BLOCK)
time.sleep(5)
def startExit():
print('startExit')
#TODO
userB = Client(container.get_root_chain(), container.get_child_chain_client(), request.args.get('key'))
userB.start_exit(int(request.args.get('uid')), int(request.args.get('block1')), int(request.args.get('block2')))
return '0'
def finalizeExit():
print('finalizeExit')
#TODO
userB = Client(container.get_root_chain(), container.get_child_chain_client(), request.args.get('key'))
userB.finalize_exit(int(request.args.get('uid')))
return '0'
def deposit():
print(deposit)
#TODO
userA = Client(container.get_root_chain(), container.get_child_chain_client(), request.args.get('key'))
userA.deposit(int(request.args.get('amount')), '0x0000000000000000000000000000000000000000')
return '0'
def root_chain_got_the_start_exit_record_from_double_spending_challenge(context):
root_chain = container.get_root_chain()
assert has_value(root_chain.functions.exits(uid).call({'from': userC}))
def userA_deposit_some_eth_to_plasma(context, amount):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userA_key)
client.deposit(amount=amount, currency=eth_currency)
time.sleep(5)
def userB_finalize_exit(context):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userB_key)
client.finalize_exit(uid)
time.sleep(5)
def userC_challenges_the_exit(context):
client = Client(container.get_root_chain(), container.get_child_chain_client(), userC_key)
client.challenge_exit(uid, tx_blk_num=TRANSFER_TX_1_BLOCK)
time.sleep(5)
def root_chain_got_userB_start_exit_event(context, amount):
root_chain = container.get_root_chain()
assert root_chain.functions.exits(uid).call(
{'from': userA}) != [False, 0, 0, b'', 0, b'']