def test_close_atomic_swap_before_approve():
"""
Case: close swap before it is approved.
Expect: invalid transaction error is raised with transaction cannot be closed before it is approved error message.
"""
atomic_swap_close_payload = AtomicSwapClosePayload(
swap_id=SWAP_ID,
secret_key=SECRET_KEY,
)
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.CLOSE
transaction_payload.data = atomic_swap_close_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
existing_swap_info_to_close = AtomicSwapInfo()
existing_swap_info_to_close.swap_id = SWAP_ID
existing_swap_info_to_close.state = AtomicSwapInfo.OPENED
existing_swap_info_to_close.secret_lock = SECRET_LOCK
existing_swap_info_to_close.is_initiator = True
serialized_existing_swap_info_to_lock = existing_swap_info_to_close.SerializeToString(
)
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_existing_swap_info_to_lock,
})
with pytest.raises(InvalidTransaction) as error:
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
assert 'Transaction cannot be closed before it\'s approved.' == str(
error.value)
def test_approve_atomic_swap_without_secret_lock_state():
"""
Case: approve atomic swap without secret lock state.
Expect: invalid transaction error is raised with swap identifier is already closed error message.
"""
atomic_swap_approve_payload = AtomicSwapApprovePayload(swap_id=SWAP_ID, )
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.APPROVE
transaction_payload.data = atomic_swap_approve_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
swap_info = AtomicSwapInfo()
swap_info.swap_id = SWAP_ID
swap_info.state = AtomicSwapInfo.OPENED
swap_info.amount = TOKENS_AMOUNT_TO_SWAP
swap_info.created_at = CURRENT_TIMESTAMP
swap_info.sender_address = BOT_ADDRESS
swap_info.secret_lock = SECRET_LOCK
swap_info.receiver_address = ALICE_ADDRESS
swap_info.is_initiator = True
serialized_swap_info = swap_info.SerializeToString()
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_swap_info,
})
with pytest.raises(InvalidTransaction) as error:
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
assert f'Swap identifier {SWAP_ID} is already closed.' == str(error.value)
def test_close_already_closed_atomic_swap():
"""
Case: close already closed atomic swap.
Expect: invalid transaction error is raised with already operation with closed or expired swap error message.
"""
atomic_swap_close_payload = AtomicSwapClosePayload(
swap_id=SWAP_ID,
secret_key=SECRET_KEY,
)
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.CLOSE
transaction_payload.data = atomic_swap_close_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
already_closed_swap_info = AtomicSwapInfo()
already_closed_swap_info.swap_id = SWAP_ID
already_closed_swap_info.state = AtomicSwapInfo.CLOSED
serialized_already_closed_swap_info = already_closed_swap_info.SerializeToString(
)
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_already_closed_swap_info,
})
with pytest.raises(InvalidTransaction) as error:
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
assert f'No operations can be done upon the swap: {SWAP_ID} as it is already closed or expired.' == str(
error.value)
def test_set_lock_to_atomic_swap_with_set_lock():
"""
Case: set secret lock to atomic swap with already set secret lock.
Expect: invalid transaction error is raised with secret lock is already added error message.
"""
atomic_swap_init_payload = AtomicSwapSetSecretLockPayload(
swap_id=SWAP_ID,
secret_lock=SECRET_LOCK,
)
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.SET_SECRET_LOCK
transaction_payload.data = atomic_swap_init_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
already_set_lock_swap_info = AtomicSwapInfo()
already_set_lock_swap_info.swap_id = SWAP_ID
already_set_lock_swap_info.state = AtomicSwapInfo.OPENED
already_set_lock_swap_info.secret_lock = SECRET_LOCK
serialized_already_set_lock_swap_info = already_set_lock_swap_info.SerializeToString(
)
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_already_set_lock_swap_info,
})
with pytest.raises(InvalidTransaction) as error:
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
assert f'Secret lock is already added for {SWAP_ID}.' == str(error.value)
def test_expire_atomic_swap_by_not_swap_owner():
"""
Case: to expire atomic swap by signer address isn't specified in atomic swap sender address.
Expect: invalid transaction error is raised with signer is not the one who opened the swap. error message.
"""
atomic_swap_close_payload = AtomicSwapExpirePayload(swap_id=SWAP_ID, )
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.EXPIRE
transaction_payload.data = atomic_swap_close_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
existing_swap_info_to_expire = AtomicSwapInfo()
existing_swap_info_to_expire.swap_id = SWAP_ID
existing_swap_info_to_expire.state = AtomicSwapInfo.OPENED
existing_swap_info_to_expire.sender_address = RANDOM_ADDRESS
serialized_existing_swap_info_to_expire = existing_swap_info_to_expire.SerializeToString(
)
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_existing_swap_info_to_expire,
})
with pytest.raises(InvalidTransaction) as error:
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
assert f'Signer is not the one who opened the swap.' == str(error.value)
def test_expire_atomic_swap_before_invalid_withdrawal_by_bot():
"""
Case: to expire atomic swap by bot if 48 hasn't been passed from atomic swap initialization timestamp.
Expect: invalid transaction error is raised with signer is not the one who opened the swap. error message.
"""
atomic_swap_close_payload = AtomicSwapExpirePayload(swap_id=SWAP_ID, )
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.EXPIRE
transaction_payload.data = atomic_swap_close_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
existing_swap_info_to_expire = AtomicSwapInfo()
existing_swap_info_to_expire.swap_id = SWAP_ID
existing_swap_info_to_expire.state = AtomicSwapInfo.OPENED
existing_swap_info_to_expire.sender_address = BOT_ADDRESS
existing_swap_info_to_expire.created_at = CURRENT_TIMESTAMP
existing_swap_info_to_expire.is_initiator = True
serialized_existing_swap_info_to_expire = existing_swap_info_to_expire.SerializeToString(
)
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_existing_swap_info_to_expire,
BLOCK_INFO_CONFIG_ADDRESS:
SERIALIZED_BLOCK_INFO_CONFIG,
BLOCK_INFO_ADDRESS: SERIALIZED_BLOCK_INFO,
})
with pytest.raises(InvalidTransaction) as error:
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
assert f'Swap initiator needs to wait 24 hours since timestamp {CURRENT_TIMESTAMP} to withdraw.' == \
str(error.value)
def test_expire_atomic_swap():
"""
Case: to expire atomic swap.
Expect: increase bot address balance by swap amount. Leave commission on zero address.
"""
atomic_swap_expire_payload = AtomicSwapExpirePayload(swap_id=SWAP_ID, )
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.EXPIRE
transaction_payload.data = atomic_swap_expire_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
bot_account = Account()
bot_account.balance = 4700
serialized_bot_account = bot_account.SerializeToString()
genesis_members_setting = Setting()
genesis_members_setting.entries.add(key=SETTINGS_KEY_ZERO_ADDRESS_OWNERS,
value=f'{BOT_PUBLIC_KEY},')
serialized_genesis_members_setting = genesis_members_setting.SerializeToString(
)
existing_swap_info = AtomicSwapInfo()
existing_swap_info.swap_id = SWAP_ID
existing_swap_info.state = AtomicSwapInfo.OPENED
existing_swap_info.amount = TOKENS_AMOUNT_TO_SWAP
existing_swap_info.created_at = CURRENT_TIMESTAMP // 2
existing_swap_info.sender_address = BOT_ADDRESS
existing_swap_info.receiver_address = ALICE_ADDRESS
existing_swap_info.is_initiator = True
serialized_existing_swap_info = existing_swap_info.SerializeToString()
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
BLOCK_INFO_CONFIG_ADDRESS:
SERIALIZED_BLOCK_INFO_CONFIG,
BLOCK_INFO_ADDRESS:
SERIALIZED_BLOCK_INFO,
BOT_ADDRESS:
serialized_bot_account,
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_existing_swap_info,
ADDRESS_TO_GET_GENESIS_MEMBERS_AS_STRING_BY:
serialized_genesis_members_setting,
})
expected_bot_account = Account()
expected_bot_account.balance = 4700 + TOKENS_AMOUNT_TO_SWAP
serialized_expected_bot_account = expected_bot_account.SerializeToString()
expected_swap_info = AtomicSwapInfo()
expected_swap_info.swap_id = SWAP_ID
expected_swap_info.state = AtomicSwapInfo.EXPIRED
expected_swap_info.amount = TOKENS_AMOUNT_TO_SWAP
expected_swap_info.created_at = CURRENT_TIMESTAMP // 2
expected_swap_info.sender_address = BOT_ADDRESS
expected_swap_info.receiver_address = ALICE_ADDRESS
expected_swap_info.is_initiator = True
serialized_expected_swap_info = expected_swap_info.SerializeToString()
expected_state = {
BOT_ADDRESS: serialized_expected_bot_account,
ADDRESS_TO_STORE_SWAP_INFO_BY: serialized_expected_swap_info,
}
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
state_as_list = mock_context.get_state(addresses=[
ADDRESS_TO_STORE_SWAP_INFO_BY,
BOT_ADDRESS,
])
state_as_dict = {entry.address: entry.data for entry in state_as_list}
assert expected_state == state_as_dict
def test_close_atomic_swap():
"""
Case: close atomic swap.
Expect: increase Alice account address by swap amount.
"""
atomic_swap_close_payload = AtomicSwapClosePayload(
swap_id=SWAP_ID,
secret_key=SECRET_KEY,
)
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.CLOSE
transaction_payload.data = atomic_swap_close_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
alice_account = Account()
alice_account.balance = 0
serialized_alice_account = alice_account.SerializeToString()
existing_swap_info_to_close = AtomicSwapInfo()
existing_swap_info_to_close.swap_id = SWAP_ID
existing_swap_info_to_close.amount = 200
existing_swap_info_to_close.state = AtomicSwapInfo.APPROVED
existing_swap_info_to_close.secret_lock = SECRET_LOCK
existing_swap_info_to_close.is_initiator = True
existing_swap_info_to_close.sender_address = BOT_ADDRESS
existing_swap_info_to_close.receiver_address = ALICE_ADDRESS
serialized_existing_swap_info_to_lock = existing_swap_info_to_close.SerializeToString(
)
genesis_members_setting = Setting()
genesis_members_setting.entries.add(key=SETTINGS_KEY_ZERO_ADDRESS_OWNERS,
value=f'{BOT_PUBLIC_KEY},')
serialized_genesis_members_setting = genesis_members_setting.SerializeToString(
)
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_GET_GENESIS_MEMBERS_AS_STRING_BY:
serialized_genesis_members_setting,
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_existing_swap_info_to_lock,
ALICE_ADDRESS: serialized_alice_account,
})
expected_alice_account = Account()
expected_alice_account.balance = TOKENS_AMOUNT_TO_SWAP
serialized_expected_alice_account = expected_alice_account.SerializeToString(
)
expected_closed_swap_info = AtomicSwapInfo()
expected_closed_swap_info.swap_id = SWAP_ID
expected_closed_swap_info.amount = 200
expected_closed_swap_info.state = AtomicSwapInfo.CLOSED
expected_closed_swap_info.secret_lock = SECRET_LOCK
expected_closed_swap_info.secret_key = SECRET_KEY
expected_closed_swap_info.is_initiator = True
expected_closed_swap_info.sender_address = BOT_ADDRESS
expected_closed_swap_info.receiver_address = ALICE_ADDRESS
serialized_expected_closed_swap_info = expected_closed_swap_info.SerializeToString(
)
expected_state = {
ADDRESS_TO_STORE_SWAP_INFO_BY: serialized_expected_closed_swap_info,
ALICE_ADDRESS: serialized_expected_alice_account,
}
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
state_as_list = mock_context.get_state(
addresses=[ADDRESS_TO_STORE_SWAP_INFO_BY, ALICE_ADDRESS])
state_as_dict = {entry.address: entry.data for entry in state_as_list}
assert expected_state == state_as_dict
def test_approve_atomic_swap():
"""
Case: approve atomic swap.
Expect: atomic swap state is changed to approved.
"""
atomic_swap_init_payload = AtomicSwapApprovePayload(swap_id=SWAP_ID, )
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.APPROVE
transaction_payload.data = atomic_swap_init_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get(
'family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(
private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
existing_swap_info = AtomicSwapInfo()
existing_swap_info.swap_id = SWAP_ID
existing_swap_info.state = AtomicSwapInfo.SECRET_LOCK_PROVIDED
existing_swap_info.sender_address = BOT_ADDRESS
existing_swap_info.secret_lock = SECRET_LOCK
existing_swap_info.is_initiator = True
serialized_existing_swap_info = existing_swap_info.SerializeToString()
mock_context = StubContext(inputs=INPUTS,
outputs=OUTPUTS,
initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY:
serialized_existing_swap_info,
})
expected_swap_info = AtomicSwapInfo()
expected_swap_info.swap_id = SWAP_ID
expected_swap_info.state = AtomicSwapInfo.APPROVED
expected_swap_info.sender_address = BOT_ADDRESS
expected_swap_info.secret_lock = SECRET_LOCK
expected_swap_info.is_initiator = True
serialized_expected_swap_info = expected_swap_info.SerializeToString()
expected_state = {
ADDRESS_TO_STORE_SWAP_INFO_BY: serialized_expected_swap_info,
}
AtomicSwapHandler().apply(transaction=transaction_request,
context=mock_context)
state_as_list = mock_context.get_state(
addresses=[ADDRESS_TO_STORE_SWAP_INFO_BY])
state_as_dict = {entry.address: entry.data for entry in state_as_list}
assert expected_state == state_as_dict
def test_atomic_swap_init_already_taken_id():
"""
Case: initialize swap of bot's Remme node tokens to Alice's ERC20 Remme tokens with already existing swap id.
Expect: invalid transaction error is raised with atomic swap id has already been taken error message.
"""
atomic_swap_init_payload = AtomicSwapInitPayload(
receiver_address=ALICE_ADDRESS,
sender_address_non_local=BOT_ETHEREUM_ADDRESS,
amount=TOKENS_AMOUNT_TO_SWAP,
swap_id=SWAP_ID,
secret_lock_by_solicitor=BOT_IT_IS_INITIATOR_MARK,
email_address_encrypted_by_initiator=ALICE_EMAIL_ADDRESS_ENCRYPTED_BY_INITIATOR,
created_at=CURRENT_TIMESTAMP,
)
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.INIT
transaction_payload.data = atomic_swap_init_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get('family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get('family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
swap_info = AtomicSwapInfo()
swap_info.swap_id = SWAP_ID
swap_info.state = AtomicSwapInfo.OPENED
swap_info.amount = TOKENS_AMOUNT_TO_SWAP
swap_info.created_at = CURRENT_TIMESTAMP
swap_info.email_address_encrypted_optional = ALICE_EMAIL_ADDRESS_ENCRYPTED_BY_INITIATOR
swap_info.sender_address = BOT_ADDRESS
swap_info.sender_address_non_local = BOT_ETHEREUM_ADDRESS
swap_info.receiver_address = ALICE_ADDRESS
serialized_swap_info = swap_info.SerializeToString()
mock_context = StubContext(inputs=INPUTS, outputs=OUTPUTS, initial_state={
ADDRESS_TO_STORE_SWAP_INFO_BY: serialized_swap_info,
})
with pytest.raises(InvalidTransaction) as error:
AtomicSwapHandler().apply(transaction=transaction_request, context=mock_context)
assert 'Atomic swap ID has already been taken, please use a different one.' == str(error.value)
def test_atomic_swap_init():
"""
Case: initialize swap of bot's Remme node tokens to Alice's ERC20 Remme tokens.
Expect: bot sends commission to the zero account address, swap amount is decreased from bot account.
"""
atomic_swap_init_payload = AtomicSwapInitPayload(
receiver_address=ALICE_ADDRESS,
sender_address_non_local=BOT_ETHEREUM_ADDRESS,
amount=TOKENS_AMOUNT_TO_SWAP,
swap_id=SWAP_ID,
secret_lock_by_solicitor=BOT_IT_IS_INITIATOR_MARK,
email_address_encrypted_by_initiator=ALICE_EMAIL_ADDRESS_ENCRYPTED_BY_INITIATOR,
created_at=CURRENT_TIMESTAMP,
)
transaction_payload = TransactionPayload()
transaction_payload.method = AtomicSwapMethod.INIT
transaction_payload.data = atomic_swap_init_payload.SerializeToString()
serialized_transaction_payload = transaction_payload.SerializeToString()
transaction_header = TransactionHeader(
signer_public_key=BOT_PUBLIC_KEY,
family_name=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get('family_name'),
family_version=TRANSACTION_REQUEST_ACCOUNT_HANDLER_PARAMS.get('family_version'),
inputs=INPUTS,
outputs=OUTPUTS,
dependencies=[],
payload_sha512=hash512(data=serialized_transaction_payload),
batcher_public_key=RANDOM_NODE_PUBLIC_KEY,
nonce=time.time().hex().encode(),
)
serialized_header = transaction_header.SerializeToString()
transaction_request = TpProcessRequest(
header=transaction_header,
payload=serialized_transaction_payload,
signature=create_signer(private_key=BOT_PRIVATE_KEY).sign(serialized_header),
)
bot_account = Account()
bot_account.balance = 5000
serialized_bot_account = bot_account.SerializeToString()
zero_account = Account()
zero_account.balance = 0
serialized_zero_account = zero_account.SerializeToString()
swap_commission_setting = Setting()
swap_commission_setting.entries.add(key=SETTINGS_SWAP_COMMISSION, value=str(SWAP_COMMISSION_AMOUNT))
serialized_swap_commission_setting = swap_commission_setting.SerializeToString()
genesis_members_setting = Setting()
genesis_members_setting.entries.add(key=SETTINGS_KEY_ZERO_ADDRESS_OWNERS, value=f'{BOT_PUBLIC_KEY},')
serialized_genesis_members_setting = genesis_members_setting.SerializeToString()
mock_context = StubContext(inputs=INPUTS, outputs=OUTPUTS, initial_state={
BLOCK_INFO_CONFIG_ADDRESS: SERIALIZED_BLOCK_INFO_CONFIG,
BLOCK_INFO_ADDRESS: SERIALIZED_BLOCK_INFO,
BOT_ADDRESS: serialized_bot_account,
ZERO_ADDRESS: serialized_zero_account,
ADDRESS_TO_GET_SWAP_COMMISSION_AMOUNT_BY: serialized_swap_commission_setting,
ADDRESS_TO_GET_GENESIS_MEMBERS_AS_STRING_BY: serialized_genesis_members_setting,
})
swap_info = AtomicSwapInfo()
swap_info.swap_id = SWAP_ID
swap_info.state = AtomicSwapInfo.OPENED
swap_info.amount = TOKENS_AMOUNT_TO_SWAP
swap_info.created_at = CURRENT_TIMESTAMP
swap_info.email_address_encrypted_optional = ALICE_EMAIL_ADDRESS_ENCRYPTED_BY_INITIATOR
swap_info.sender_address = BOT_ADDRESS
swap_info.sender_address_non_local = BOT_ETHEREUM_ADDRESS
swap_info.receiver_address = ALICE_ADDRESS
swap_info.is_initiator = True
serialized_swap_info = swap_info.SerializeToString()
expected_bot_account = Account()
expected_bot_account.balance = 5000 - TOKENS_AMOUNT_TO_SWAP - SWAP_COMMISSION_AMOUNT
serialized_expected_bot_account = expected_bot_account.SerializeToString()
expected_zero_account = Account()
expected_zero_account.balance = SWAP_COMMISSION_AMOUNT
serialized_expected_zero_account = expected_zero_account.SerializeToString()
expected_state = {
BOT_ADDRESS: serialized_expected_bot_account,
ZERO_ADDRESS: serialized_expected_zero_account,
ADDRESS_TO_STORE_SWAP_INFO_BY: serialized_swap_info,
}
AtomicSwapHandler().apply(transaction=transaction_request, context=mock_context)
state_as_list = mock_context.get_state(addresses=[
ADDRESS_TO_STORE_SWAP_INFO_BY, BOT_ADDRESS, ZERO_ADDRESS,
])
state_as_dict = {entry.address: entry.data for entry in state_as_list}
assert expected_state == state_as_dict
