def test_transfer_eth_to_ceth_using_replay_blocks(integration_dir,
smart_contracts_dir,
ensure_relayer_restart):
starting_block = test_utilities.current_ethereum_block_number(
smart_contracts_dir)
logging.info("stopping ebrelayer")
test_utilities.get_shell_output("pkill -9 ebrelayer || true")
request, credentials = build_request()
logging.info("(no transactions should happen without a relayer)")
# test_utilities.whitelist_token(request.ethereum_symbol, request.smart_contracts_dir, True)
logging.info(
f"send {request.amount / 10**18} eth ({request.amount} wei) to {request.sifchain_address}"
)
test_utilities.send_from_ethereum_to_sifchain(request)
# test_utilities.get_shell_output(f"{integration_dir}/sifchain_start_ebrelayer.sh")
logging.info("replay blocks using ebrelayer replayEthereum")
ews = test_utilities.get_required_env_var("ETHEREUM_WEBSOCKET_ADDRESS")
bra = test_utilities.get_required_env_var("BRIDGE_REGISTRY_ADDRESS")
mon = test_utilities.get_required_env_var("MONIKER")
mn = test_utilities.get_required_env_var("MNEMONIC")
cn = test_utilities.get_required_env_var("CHAINNET")
ending_block = test_utilities.current_ethereum_block_number(
smart_contracts_dir) + 1
cmd = f"""ebrelayer replayEthereum tcp://0.0.0.0:26657 {ews} {bra} {mon} '{mn}' {starting_block} {ending_block} 1 2 --chain-id {cn} --gas 5000000000000 \
--gas-prices 0.5rowan"""
test_utilities.get_shell_output(cmd)
time.sleep(15)
logging.info(
f"check the ending balance of {request.sifchain_address} after replaying blocks"
)
ending_balance = test_utilities.get_sifchain_addr_balance(
request.sifchain_address, request.sifnodecli_node,
request.sifchain_symbol)
assert (ending_balance == request.amount)
# now do it again
test_utilities.get_shell_output(cmd)
time.sleep(5)
ending_balance2 = test_utilities.get_sifchain_addr_balance(
request.sifchain_address, request.sifnodecli_node,
request.sifchain_symbol)
assert (ending_balance2 == request.amount)
# now start ebrelayer and do another transfer
test_utilities.advance_n_ethereum_blocks(test_utilities.n_wait_blocks + 1,
smart_contracts_dir)
test_utilities.get_shell_output(
f"{integration_dir}/sifchain_start_ebrelayer.sh")
burn_lock_functions.transfer_ethereum_to_sifchain(request, 15)
ending_balance3 = test_utilities.get_sifchain_addr_balance(
request.sifchain_address, request.sifnodecli_node,
request.sifchain_symbol)
assert (ending_balance3 == request.amount * 2)
def test_transfer_eth_to_ceth_using_replay_blocks(
integration_dir, smart_contracts_dir, solidity_json_path,
source_ethereum_address, validator_address, ensure_relayer_restart):
starting_block = test_utilities.current_ethereum_block_number(
smart_contracts_dir)
logging.info("stopping ebrelayer")
test_utilities.get_shell_output("pkill -9 ebrelayer || true")
request, credentials = build_request(smart_contracts_dir,
source_ethereum_address,
solidity_json_path)
logging.info("(no transactions should happen without a relayer)")
logging.info(
f"send {request.amount / 10 ** 18} eth ({request.amount} wei) to {request.sifchain_address}"
)
test_utilities.send_from_ethereum_to_sifchain(request)
logging.info("make sure no balances changed while the relayer was offline")
test_utilities.advance_n_ethereum_blocks(test_utilities.n_wait_blocks,
smart_contracts_dir)
time.sleep(5)
balance_with_no_relayer = test_utilities.get_sifchain_addr_balance(
request.sifchain_address, request.sifnoded_node,
request.sifchain_symbol)
assert (balance_with_no_relayer == 0)
logging.info("replay blocks using ebrelayer replayEthereum")
ews = test_utilities.get_required_env_var("ETHEREUM_WEBSOCKET_ADDRESS")
bra = test_utilities.get_required_env_var("BRIDGE_REGISTRY_ADDRESS")
mon = test_utilities.get_required_env_var("MONIKER")
mn = test_utilities.get_required_env_var("MNEMONIC")
cn = test_utilities.get_required_env_var("CHAINNET")
ending_block = test_utilities.current_ethereum_block_number(
smart_contracts_dir) + 1
cmd = f"""yes | ebrelayer replayEthereum tcp://0.0.0.0:26657 {ews} {bra} {mon} '{mn}' {starting_block} {ending_block} 1 2 --chain-id {cn} --gas 5000000000000 \
--keyring-backend test --node tcp://0.0.0.0:26657 --from {mon}"""
test_utilities.get_shell_output(cmd)
time.sleep(5)
logging.info(
f"check the ending balance of {request.sifchain_address} after replaying blocks"
)
ending_balance = test_utilities.get_sifchain_addr_balance(
request.sifchain_address, request.sifnoded_node,
request.sifchain_symbol)
assert (ending_balance == request.amount)
# now do it again
test_utilities.get_shell_output(cmd)
time.sleep(5)
ending_balance2 = test_utilities.get_sifchain_addr_balance(
request.sifchain_address, request.sifnoded_node,
request.sifchain_symbol)
assert (ending_balance2 == request.amount)
def test_can_mint_token_and_peg_it_for_everything_in_whitelist(
basic_transfer_request: EthereumToSifchainTransferRequest,
smart_contracts_dir, bridgebank_address, solidity_json_path,
operator_address, ethereum_network, source_ethereum_address,
rowan_source):
logging.info(
"token_refresh needs to use the operator private key, setting that to ETHEREUM_PRIVATE_KEY"
)
os.environ["ETHEREUM_PRIVATE_KEY"] = test_utilities.get_required_env_var(
"OPERATOR_PRIVATE_KEY")
request = copy.deepcopy(basic_transfer_request)
request.sifchain_address = rowan_source
request.ethereum_address = source_ethereum_address
amount_in_tokens = int(test_utilities.get_required_env_var("TOKEN_AMOUNT"))
tokens = test_utilities.get_whitelisted_tokens(request)
logging.info(f"whitelisted tokens: {tokens}")
for t in tokens:
destination_symbol = "c" + t["symbol"]
if t["symbol"] == "erowan":
destination_symbol = "rowan"
try:
logging.info(f"sending {t}")
request.amount = amount_in_tokens * (10**int(t["decimals"]))
request.ethereum_symbol = t["token"]
request.sifchain_symbol = destination_symbol
request.ethereum_address = operator_address
test_utilities.mint_tokens(request, operator_address)
test_utilities.send_from_ethereum_to_sifchain(request)
except Exception as e:
# try to get as many tokens across the bridge as you can,
# don't stop if one of them fails
logging.info(f"failed to mint and send for {t}, error was {e}")
logging.info(f"sent new batch of tokens to {rowan_source}")
test_utilities.get_sifchain_addr_balance(rowan_source,
request.sifnoded_node, "rowan")
def transfer_ethereum_to_sifchain(
transfer_request: EthereumToSifchainTransferRequest,
max_seconds: int = default_timeout_for_ganache):
logging.debug(
f"transfer_ethereum_to_sifchain {transfer_request.as_json()}")
assert transfer_request.ethereum_address
assert transfer_request.sifchain_address
# it's possible that this is the first transfer to the address, so there's
# no balance to retrieve. Catch that exception.
original_log_level = decrease_log_level()
try:
sifchain_starting_balance = get_sifchain_addr_balance(
transfer_request.sifchain_address,
transfer_request.sifnodecli_node, transfer_request.sifchain_symbol)
except:
logging.debug(
f"transfer_ethereum_to_sifchain failed to get starting balance, this is probably a new account"
)
sifchain_starting_balance = 0
status = {
"action": "transfer_ethereum_to_sifchain",
"sifchain_starting_balance": sifchain_starting_balance,
"transfer_request": transfer_request.__dict__,
}
logging.debug(
f"transfer_ethereum_to_sifchain_json: {json.dumps(status)}", )
force_log_level(original_log_level)
starting_block = send_from_ethereum_to_sifchain(transfer_request)
logging.debug(
f"send_from_ethereum_to_sifchain ethereum block number: {starting_block}"
)
original_log_level = decrease_log_level()
half_n_wait_blocks = n_wait_blocks / 2
logging.debug("wait half the blocks, transfer should not complete")
if transfer_request.manual_block_advance:
advance_n_ethereum_blocks(half_n_wait_blocks,
transfer_request.smart_contracts_dir)
time.sleep(5)
else:
wait_for_ethereum_block_number(block_number=starting_block +
half_n_wait_blocks,
transfer_request=transfer_request)
# we still may not have an account
try:
sifchain_balance_before_required_elapsed_blocks = get_sifchain_addr_balance(
transfer_request.sifchain_address,
transfer_request.sifnodecli_node, transfer_request.sifchain_symbol)
except:
sifchain_balance_before_required_elapsed_blocks = 0
if transfer_request.check_wait_blocks and sifchain_balance_before_required_elapsed_blocks != sifchain_starting_balance:
print_error_message(
f"balance should not have changed yet. Starting balance {sifchain_starting_balance},"
f" current balance {sifchain_balance_before_required_elapsed_blocks}"
)
if transfer_request.manual_block_advance:
advance_n_ethereum_blocks(half_n_wait_blocks,
transfer_request.smart_contracts_dir)
else:
wait_for_ethereum_block_number(block_number=starting_block +
n_wait_blocks,
transfer_request=transfer_request)
target_balance = sifchain_starting_balance + transfer_request.amount
# You can't get the balance of an account that doesn't exist yet,
# so wait for the account to be there before asking for the balance
logging.debug(f"wait for account {transfer_request.sifchain_address}")
wait_for_sif_account(sif_addr=transfer_request.sifchain_address,
sifchaincli_node=transfer_request.sifnodecli_node,
max_seconds=max_seconds)
wait_for_sifchain_addr_balance(
sifchain_address=transfer_request.sifchain_address,
symbol=transfer_request.sifchain_symbol,
sifchaincli_node=transfer_request.sifnodecli_node,
target_balance=target_balance,
max_seconds=max_seconds,
debug_prefix=
f"transfer_ethereum_to_sifchain waiting for balance {transfer_request}"
)
force_log_level(original_log_level)
result = {
**status,
"sifchain_ending_balance": target_balance,
}
logging.debug(f"transfer_ethereum_to_sifchain completed {result}")
return result
def test_rollback_chain(source_ethereum_address):
new_account_key = get_shell_output("uuidgen")
credentials = sifchain_cli_credentials_for_test(new_account_key)
new_account = burn_lock_functions.create_new_sifaddr(
credentials=credentials, keyname=new_account_key)
credentials.from_key = new_account["name"]
# Any amount will work
amount = 11000
request = EthereumToSifchainTransferRequest(
sifchain_address=new_account["address"],
smart_contracts_dir=get_required_env_var("SMART_CONTRACTS_DIR"),
ethereum_address=source_ethereum_address,
ethereum_private_key_env_var="ETHEREUM_PRIVATE_KEY",
bridgebank_address=get_required_env_var("BRIDGE_BANK_ADDRESS"),
ethereum_network=(os.environ.get("ETHEREUM_NETWORK") or ""),
amount=amount)
logging.info(f"create account with a balance of {request.amount}")
burn_lock_functions.transfer_ethereum_to_sifchain(request, 50)
new_addr = new_account["address"]
snapshot = get_shell_output(
f"{test_integration_dir}/snapshot_ganache_chain.sh")
logging.info(f"created new account, took ganache snapshot {snapshot}")
initial_user_balance = get_sifchain_addr_balance(new_addr, "",
request.sifchain_symbol)
logging.info(f"initial_user_balance {initial_user_balance}")
transfer_1 = send_from_ethereum_to_sifchain(transfer_request=request)
logging.info(f"transfer started but it will never complete (by design)")
logging.info("advance less than wait blocks")
advance_n_ethereum_blocks(n_wait_blocks / 2, request.smart_contracts_dir)
# the transaction should not have happened on the sifchain side yet
# since we haven't waited for the right number of blocks.
# roll back ganache to the snapshot and try another transfer that
# should succeed.
logging.info(
f"apply snapshot {snapshot} - this eliminates transfer_1 (block {transfer_1})"
)
get_shell_output(
f"{test_integration_dir}/apply_ganache_snapshot.sh {snapshot} 2>&1")
logging.info("advance past block wait")
advance_n_ethereum_blocks(n_wait_blocks * 2, request.smart_contracts_dir)
time.sleep(5)
second_user_balance = get_sifchain_addr_balance(new_addr, "",
request.sifchain_symbol)
if second_user_balance == initial_user_balance:
logging.info(
f"got expected outcome of no balance change @ {initial_user_balance}"
)
else:
raise Exception(
f"balance should be the same after applying snapshot and rolling forward n_wait_blocks * 2. initial_user_balance: {initial_user_balance} second_user_balance: {second_user_balance}"
)
request.amount = 10000
logging.info(f"sending more eth: {request.amount} to {new_addr}")
burn_lock_functions.transfer_ethereum_to_sifchain(request)
# We want to know that ebrelayer will never do a second transaction.
# We can't know that, so just delay a reasonable amount of time.
logging.info("delay to give ebrelayer time to make a mistake")
time.sleep(10)
balance_after_sleep = get_sifchain_addr_balance(new_addr, "",
request.sifchain_symbol)
logging.info(
f"get_sifchain_addr_balance after sleep is {balance_after_sleep} for {new_addr}"
)
expected_balance = initial_user_balance + request.amount
logging.info(f"look for a balance of {expected_balance}")
wait_for_sifchain_addr_balance(new_addr, request.sifchain_symbol,
expected_balance, "")
