cic-stack/apps/cic-eth/tests/unit/eth/test_bancor.py

134 lines
4.0 KiB
Python

# standard imports
import logging
# third-party imports
import pytest
from cic_registry import CICRegistry
# local imports
from cic_eth.eth.bancor import BancorTxFactory, unpack_convert
from cic_eth.eth.bancor import resolve_converters_by_tokens
from cic_eth.eth.util import unpack_signed_raw_tx
from cic_eth.queue.tx import create as queue_create
from cic_eth.eth.bancor import otx_cache_convert
from cic_eth.db.models.otx import Otx
from cic_eth.db.models.tx import TxCache
logg = logging.getLogger()
@pytest.mark.skip()
def test_resolve_converters_by_tokens(
cic_registry,
init_w3,
bancor_tokens,
bancor_registry,
default_chain_spec,
):
r = resolve_converters_by_tokens(
[
{
'address': bancor_tokens[0],
},
{
'address': bancor_tokens[1],
},
],
str(default_chain_spec),
)
logg.warning('this test should be hardened by verifying the converters')
for t in r:
assert t['converters'] != None
assert len(t['converters']) == 1
@pytest.mark.skip()
def test_unpack_convert(
default_chain_spec,
cic_registry,
init_w3,
init_rpc,
bancor_tokens,
bancor_registry,
):
txf = BancorTxFactory(init_w3.eth.accounts[0], init_rpc)
default_reserve = CICRegistry.get_contract(default_chain_spec, 'BNTToken')
convert_tx = txf.convert(
bancor_tokens[0],
bancor_tokens[1],
default_reserve.address(),
42,
13,
default_chain_spec,
)
s = init_w3.eth.sign_transaction(convert_tx)
s_bytes = bytes.fromhex(s['raw'][2:])
tx_dict = unpack_signed_raw_tx(s_bytes, default_chain_spec.chain_id())
convert_contract = CICRegistry.get_contract(default_chain_spec, 'BancorNetwork')
assert tx_dict['from'] == init_w3.eth.accounts[0]
assert tx_dict['to'] == convert_contract.address()
assert tx_dict['value'] == 0
convert_data = unpack_convert(tx_dict['data'])
assert convert_data['amount'] == 42
assert convert_data['min_return'] == 13
assert convert_data['source_token'] == bancor_tokens[0]
assert convert_data['destination_token'] == bancor_tokens[1]
assert convert_data['fee_recipient'] == '0000000000000000000000000000000000000000000000000000000000000000'
assert convert_data['fee'] == 0
@pytest.mark.skip()
def test_queue_cache_convert(
default_chain_spec,
init_w3,
init_rpc,
init_database,
cic_registry,
bancor_registry,
bancor_tokens,
):
txf = BancorTxFactory(init_w3.eth.accounts[0], init_rpc)
amount = 42
min_return = 13
default_reserve = CICRegistry.get_contract(default_chain_spec, 'BNTToken', 'ERC20')
transfer_tx = txf.convert(
bancor_tokens[0],
bancor_tokens[1],
default_reserve.address(),
amount,
min_return,
default_chain_spec,
)
tx_signed = init_w3.eth.sign_transaction(transfer_tx)
tx_hash = init_w3.eth.sendRawTransaction(tx_signed['raw'])
tx_hash_hex = tx_hash.hex()
nonce = int(tx_signed['nonce'][2:], 16)
tx_hash_queue = queue_create(nonce, init_w3.eth.accounts[0], tx_hash_hex, tx_signed['raw'], str(default_chain_spec))
tx_hash_cache = otx_cache_convert(tx_hash_hex, tx_signed['raw'], str(default_chain_spec))
assert tx_hash_hex == tx_hash_queue
assert tx_hash_hex == tx_hash_cache
session = Otx.create_session()
otx = session.query(Otx).filter(Otx.tx_hash==tx_hash_hex).first()
assert otx.tx_hash == tx_hash_hex
txc = session.query(TxCache).filter(TxCache.otx_id==otx.id).first()
assert txc.sender == init_w3.eth.accounts[0]
assert txc.recipient == init_w3.eth.accounts[0]
assert txc.source_token_address == bancor_tokens[0]
assert txc.destination_token_address == bancor_tokens[1]
assert txc.from_value == amount
assert txc.to_value == amount