def __init__(self, blknum1, txindex1, oindex1,
blknum2, txindex2, oindex2,
newowner1, amount1,
newowner2, amount2,
fee,
sig1=b'\x00' * 65,
sig2=b'\x00' * 65):
# Input 1
self.blknum1 = blknum1
self.txindex1 = txindex1
self.oindex1 = oindex1
self.sig1 = sig1
# Input 2
self.blknum2 = blknum2
self.txindex2 = txindex2
self.oindex2 = oindex2
self.sig2 = sig2
# Outputs
self.newowner1 = utils.normalize_address(newowner1)
self.amount1 = amount1
self.newowner2 = utils.normalize_address(newowner2)
self.amount2 = amount2
# Fee
self.fee = fee
self.confirmation1 = None
self.confirmation2 = None
self.spent1 = False
self.spent2 = False
def sendtx(client, blknum1, txindex1, oindex1, blknum2, txindex2, oindex2,
newowner1, contractaddress1, amount1, tokenid1, newowner2,
contractaddress2, amount2, tokenid2, key1, key2):
if newowner1 == "0x0":
newowner1 = NULL_ADDRESS
if newowner2 == "0x0":
newowner2 = NULL_ADDRESS
if contractaddress1 == "0x0":
contractaddress1 = NULL_ADDRESS
if contractaddress2 == "0x0":
contractaddress2 = NULL_ADDRESS
if key2 is None:
key2 = key1
# Form a transaction
tx = Transaction(blknum1, txindex1, oindex1, blknum2, txindex2, oindex2,
utils.normalize_address(newowner1),
utils.normalize_address(contractaddress1), amount1,
tokenid1, utils.normalize_address(newowner2),
utils.normalize_address(contractaddress2), amount2,
tokenid2)
# Sign it
tx.sign1(utils.normalize_key(key1))
tx.sign2(utils.normalize_key(key2))
client.apply_transaction(tx)
print("Sent transaction")
def call(this, to, value=0, data='', sender=None,
startgas=25000, gasprice=60 * denoms.shannon):
sender = normalize_address(sender or this.coinbase)
to = normalize_address(to, allow_blank=True)
block = this.head_candidate
state_root_before = block.state_root
assert block.has_parent()
# rebuild block state before finalization
parent = block.get_parent()
test_block = block.init_from_parent(parent, block.coinbase,
timestamp=block.timestamp)
for tx in block.get_transactions():
success, output = processblock.apply_transaction(test_block, tx)
assert success
# apply transaction
nonce = test_block.get_nonce(sender)
tx = Transaction(nonce, gasprice, startgas, to, value, data)
tx.sender = sender
try:
success, output = processblock.apply_transaction(test_block, tx)
except InvalidTransaction:
success = False
assert block.state_root == state_root_before
if success:
return output
else:
return False
def make_trustless_multisend(payouts, remainder, gasprice=20 * 10**9):
"""
Creates a transaction that trustlessly sends money to multiple recipients, and any
left over (unsendable) funds to the address specified in remainder.
Arguments:
payouts: A list of (address, value tuples)
remainder: An address in hex form to send any unsendable balance to
gasprice: The gas price, in wei
Returns: A transaction object that accomplishes the multisend.
"""
ct = abi.ContractTranslator(multisend_abi)
addresses = [utils.normalize_address(addr) for addr, value in payouts]
values = [value for addr, value in payouts]
cdata = ct.encode_constructor_arguments([addresses, values, utils.normalize_address(remainder)])
tx = transactions.Transaction(
0,
gasprice,
50000 + len(addresses) * 35000,
'',
sum(values),
multisend_contract + cdata)
tx.v = 27
tx.r = 0x0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0
tx.s = 0x0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0DA0
while True:
try:
tx.sender
return tx
except Exception, e:
# Failed to generate public key
tx.r += 1
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 get_utxo(self, address, block):
if block != "latest":
raise Exception("only support block: latest")
utxo = []
for block_number, block in self.blocks.items():
for tx_index, tx in enumerate(block.transaction_set):
# check if utxo belongs to the owner and is not spent
if tx.newowner1 == utils.normalize_address(
address) and tx.spent1 == False and not (
tx.amount1 == 0 and tx.tokenid1 == 0):
utxo.append([
block_number, tx_index, 0,
utils.decode_addr(tx.contractaddress1), tx.amount1,
tx.tokenid1
])
if tx.newowner2 == utils.normalize_address(
address) and tx.spent2 == False and not (
tx.amount2 == 0 and tx.tokenid2 == 0):
utxo.append([
block_number, tx_index, 1,
utils.decode_addr(tx.contractaddress2), tx.amount2,
tx.tokenid2
])
return utxo
def __init__(self, sender, abi, address, call_func, transact_func):
sender = normalize_address(sender)
self.abi = abi
self.address = address = normalize_address(address)
self.translator = ContractTranslator(abi)
for function_name in self.translator.function_data:
function_proxy = MethodProxy(
sender,
address,
function_name,
self.translator,
call_func,
transact_func,
)
type_argument = self.translator.function_data[function_name][
'signature']
arguments = [
'{type} {argument}'.format(type=type_, argument=argument)
for type_, argument in type_argument
]
function_signature = ', '.join(arguments)
function_proxy.__doc__ = '{function_name}({function_signature})'.format(
function_name=function_name,
function_signature=function_signature,
)
setattr(self, function_name, function_proxy)
def tester_channels(tester_chain, tester_nettingcontracts, reveal_timeout):
result = list()
for first_key, second_key, nettingcontract in tester_nettingcontracts:
first_externalstate = ChannelExternalStateTester(
tester_chain,
first_key,
normalize_address(nettingcontract.address),
)
first_channel = channel_from_nettingcontract(
first_key,
nettingcontract,
first_externalstate,
reveal_timeout,
)
second_externalstate = ChannelExternalStateTester(
tester_chain,
second_key,
normalize_address(nettingcontract.address),
)
second_channel = channel_from_nettingcontract(
second_key,
nettingcontract,
second_externalstate,
reveal_timeout,
)
result.append(
(first_key, second_key, nettingcontract, first_channel, second_channel)
)
return result
def main():
#init test variables
gasPrice = 50000000000 # 50 gwei
gasLimit = 3712394 # startgas
toAddress = normalize_address("0x7AEB1Fd3A42731c4Ae80870044C992eb689fb2Fe")
fromAddress = normalize_address(
"0x94146296881b3322838cFF5f2d50fdde841928D8")
sendAmount = 123000000000000
dappData = b""
tx, addressB, commit, randw = generateAddressB(fromAddress, toAddress,
sendAmount, dappData,
gasPrice, gasLimit)
# print("-"* 35)
# printRemix(fromAddress, tx, encode_hex(randw))
print("-" * 35)
print("AddressB: %s" % addressB
) # addressB also can retreived using tx.to_dict().get("sender")
print("commit: %s" % encode_hex(commit))
print("witness (w): %s" % encode_hex(randw))
# print("Reveal Transation (json): %s" % tx.to_dict())
print("Reveal Transaction (hex): %s" % encode_hex(rlp.encode(tx)))
def sendtx(client,
blknum1, txindex1, oindex1,
blknum2, txindex2, oindex2,
cur12,
amount1, newowner1,
amount2, newowner2,
key1, key2):
if cur12 == "0x0":
cur12 = NULL_ADDRESS
if newowner1 == "0x0":
newowner1 = NULL_ADDRESS
if newowner2 == "0x0":
newowner2 = NULL_ADDRESS
# Form a transaction
tx = Transaction(blknum1, txindex1, oindex1,
blknum2, txindex2, oindex2,
utils.normalize_address(cur12),
utils.normalize_address(newowner1), amount1,
utils.normalize_address(newowner2), amount2)
# Sign it
if key1:
tx.sign1(utils.normalize_key(key1))
if key2:
tx.sign2(utils.normalize_key(key2))
client_call(client.apply_transaction, [tx], "Sent transaction")
def create_utxo(self, to_contractaddress, provide_amount):
utxos = self.get_utxos()
for blknum, txindex, oindex, contractaddress, amount, tokenid in utxos:
if contractaddress.lower() == to_contractaddress[2:].lower():
if amount == provide_amount:
return blknum, txindex, oindex, contractaddress, amount, tokenid
for blknum, txindex, oindex, contractaddress, amount, tokenid in utxos:
if contractaddress.lower() == to_contractaddress[2:].lower():
if amount > provide_amount:
tx = Transaction(blknum, txindex, oindex, 0, 0, 0,
utils.normalize_address(self.address),
utils.normalize_address(contractaddress),
provide_amount, 0,
utils.normalize_address(self.address),
utils.normalize_address(contractaddress),
amount - provide_amount, 0)
tx.sign1(
utils.normalize_key(plasma_config["AUTHORITY_KEY"]))
tx.sign2(
utils.normalize_key(plasma_config["AUTHORITY_KEY"]))
self.child_chain.apply_transaction(
rlp.encode(tx, Transaction).hex())
break
else:
raise ValueError("no available utxo")
utxos = self.get_utxos()
for blknum, txindex, oindex, contractaddress, amount, tokenid in utxos:
if contractaddress.lower() == to_contractaddress[2:].lower():
if amount == provide_amount:
return blknum, txindex, oindex, contractaddress, amount, tokenid
raise Exception("Something went wrong")
def makeorder(client, address, currency, amount, tokenprice, key):
utxos = client_call(client.get_utxos, [address, currency])
amount = int(amount * 1e18)
# Find a utxos with enough tokens
for utxo in utxos:
if utxo[3] >= amount:
# generate the transaction object
change_amount = utxo[3] - amount
if change_amount:
tx = Transaction(Transaction.TxnType.make_order,
utxo[0], utxo[1], utxo[2],
0, 0, 0,
Transaction.UTXOType.make_order, utils.normalize_address(address), amount, tokenprice, utils.normalize_address(currency),
Transaction.UTXOType.transfer, utils.normalize_address(address), change_amount, 0, utils.normalize_address(currency),
0, NULL_ADDRESS, 0, 0, NULL_ADDRESS,
0, NULL_ADDRESS, 0, 0, NULL_ADDRESS)
else:
tx = Transaction(Transaction.TxnType.make_order,
utxo[0], utxo[1], utxo[2],
0, 0, 0,
Transaction.UTXOType.make_order, utils.normalize_address(address), amount, tokenprice, utils.normalize_address(currency),
0, NULL_ADDRESS, 0, 0, NULL_ADDRESS,
0, NULL_ADDRESS, 0, 0, NULL_ADDRESS,
0, NULL_ADDRESS, 0, 0, NULL_ADDRESS)
tx.sign1(utils.normalize_key(key))
client_call(client.apply_transaction, [tx], "Sent transaction")
break
def hash(self):
return utils.sha3(rlp.encode(self, UnsignedTransaction))
self.utxotype1 = utxotype1
self.newowner1 = utils.normalize_address(newowner1)
self.amount1 = amount1
self.tokenprice1 = tokenprice1 # This field is only used if utxotype1 == make_order
self.cur1 = utils.normalize_address(cur1)
def help_test_entire_block(self, path_to_jsonrpc_response):
PRESENT = self.verifier_contract.TX_PROOF_RESULT_PRESENT()
ABSENT = self.verifier_contract.TX_PROOF_RESULT_ABSENT()
with open(path_to_jsonrpc_response, 'r') as f:
jsonrpc = json.load(f)
block_dict = jsonrpc['result']
for i in range(len(block_dict['transactions']) + 20):
proof_blob = proveth.generate_proof_blob_from_jsonrpc_response(
jsonrpc, i)
result, index, nonce, gas_price, gas, to, value, data, v, r, s, contract_creation = self.verifier_contract.txProof(
utils.decode_hex(block_dict['hash']),
proof_blob,
startgas=10**7)
print(i)
present = i < len(block_dict['transactions'])
self.assertEqual(result, PRESENT if present else ABSENT)
self.assertEqual(index, i)
if present:
self.assertEqual(
nonce,
utils.parse_as_int(block_dict['transactions'][i]['nonce']))
self.assertEqual(
gas_price,
utils.parse_as_int(
block_dict['transactions'][i]['gasPrice']))
self.assertEqual(
gas,
utils.parse_as_int(block_dict['transactions'][i]['gas']))
# contract creation corner case
if utils.normalize_address(block_dict['transactions'][i]['to']
or '',
allow_blank=True) == b'':
self.assertEqual(
utils.normalize_address(to),
utils.normalize_address(
"0x0000000000000000000000000000000000000000"))
self.assertEqual(utils.parse_as_int(contract_creation), 1)
else:
self.assertEqual(
utils.normalize_address(to),
utils.normalize_address(
block_dict['transactions'][i]['to']))
self.assertEqual(utils.parse_as_int(contract_creation), 0)
self.assertEqual(
value,
utils.parse_as_int(block_dict['transactions'][i]['value']))
self.assertEqual(
data,
utils.decode_hex(block_dict['transactions'][i]['input']))
self.assertEqual(
v, utils.parse_as_int(block_dict['transactions'][i]['v']))
self.assertEqual(
r, utils.parse_as_int(block_dict['transactions'][i]['r']))
self.assertEqual(
s, utils.parse_as_int(block_dict['transactions'][i]['s']))
if i > 0 and i % 100 == 0:
self.chain.mine()
def check_signing_address(self, address: str) -> bool:
"""
:param address: address in any format
:type address: str
:return: true if this address was used to sign the message, false otherwise
:rtype: bool
"""
return utils.normalize_address(address) == utils.normalize_address(
self.get_signing_address())
def __init__(self,
blknum1,
txindex1,
oindex1,
blknum2,
txindex2,
oindex2,
newowner1,
contractaddress1,
amount1,
tokenid1,
newowner2,
contractaddress2,
amount2,
tokenid2,
fee=DEFAULT_FEE,
expiretimestamp=None,
salt=None,
sig1=b'\x00' * 65,
sig2=b'\x00' * 65):
if expiretimestamp is None:
expiretimestamp = int(ttime()) + DEFAULT_DELAY_SECONDS
if salt is None:
salt = randint(1000000000000, 9999999999999)
# Input 1
self.blknum1 = blknum1
self.txindex1 = txindex1
self.oindex1 = oindex1
self.sig1 = sig1
# Input 2
self.blknum2 = blknum2
self.txindex2 = txindex2
self.oindex2 = oindex2
self.sig2 = sig2
# Outputs
self.newowner1 = utils.normalize_address(newowner1)
self.contractaddress1 = utils.normalize_address(contractaddress1)
self.amount1 = amount1
self.tokenid1 = tokenid1
self.newowner2 = utils.normalize_address(newowner2)
self.contractaddress2 = utils.normalize_address(contractaddress2)
self.amount2 = amount2
self.tokenid2 = tokenid2
self.fee = fee
self.expiretimestamp = expiretimestamp
self.salt = salt
self.confirmation1 = None
self.confirmation2 = None
self.spent1 = False
self.spent2 = False
def verify_to_address_field(self):
title = "Input error"
body = "Invalid address field"
try:
normalize_address(self.send_to_address)
except Exception:
dialog = Controller.create_dialog(title, body)
dialog.open()
return False
return True
def transact(this, to, value=0, data='', sender=None,
startgas=25000, gasprice=60 * denoms.shannon):
sender = normalize_address(sender or this.coinbase)
to = normalize_address(to, allow_blank=True)
nonce = this.pending.get_nonce(sender)
tx = Transaction(nonce, gasprice, startgas, to, value, data)
this.app.services.accounts.sign_tx(sender, tx)
assert tx.sender == sender
this.chainservice.add_transaction(tx)
return tx
def generateInvalidUnlockTx(self, userAddress, contractAddress,
maliciousAddress):
commit, witness, R, S = generate_submarine_commit._generateRS(
normalize_address(rec_hex(userAddress)),
normalize_address(rec_hex(contractAddress)), UNLOCK_AMOUNT, b'',
OURGASPRICE, OURGASLIMIT)
unlockFunctionSelector = b"\xec\x9b\x5b\x3a"
submarineData = unlockFunctionSelector + commit
# need the unsigned TX hash for ECRecover
unlock_tx_unsigned_object = transactions.UnsignedTransaction(
0, # nonce;
OURGASPRICE, # gasprice
OURGASLIMIT, # startgas
normalize_address(maliciousAddress), # to addr
UNLOCK_AMOUNT, # value
submarineData, # data
)
unlock_tx_unsigned_hash = sha3(
rlp.encode(unlock_tx_unsigned_object,
transactions.UnsignedTransaction))
unlock_tx_object = transactions.Transaction(
0, # nonce;
OURGASPRICE, # gasprice
OURGASLIMIT, # startgas
normalize_address(maliciousAddress), # to addr
UNLOCK_AMOUNT, # value
submarineData, # data
27, # v
R, # r
S # s
)
try:
pub = ecrecover_to_pub(unlock_tx_unsigned_hash, 27, R, S)
if pub == b"\x00" * 64:
log.info("Address no good, retrying")
return self.generateInvalidUnlockTx(userAddress,
contractAddress,
maliciousAddress)
else:
commit_addr = sha3(pub)[-20:]
log.info("Fake Unlock TX Dict: {}".format(
unlock_tx_unsigned_object.as_dict()))
log.info("Fake Unlock TX Commit B: {}".format(commit_addr))
return unlock_tx_object, unlock_tx_unsigned_object, commit_addr, commit, witness
except (ValueError, InvalidTransaction) as e:
if isinstance(e, ValueError) and "VRS" not in str(e):
raise
log.info("Address no good (%s), retrying" % e)
return self.generateInvalidUnlockTx(userAddress, contractAddress,
maliciousAddress)
def channel_from_nettingcontract(
our_key,
netting_contract,
external_state,
reveal_timeout):
""" Create a `channel.Channel` for the `netting_contract`.
Use this to make sure that both implementations (the smart contract and the
python code) work in tandem.
"""
our_address = privatekey_to_address(our_key)
token_address_hex = netting_contract.tokenAddress(sender=our_key)
settle_timeout = netting_contract.settleTimeout(sender=our_key)
address_balance = netting_contract.addressAndBalance(sender=our_key)
address1_hex, balance1, address2_hex, balance2 = address_balance
token_address = normalize_address(token_address_hex)
address1 = normalize_address(address1_hex)
address2 = normalize_address(address2_hex)
if our_address == address1:
our_balance = balance1
partner_address = address2
partner_balance = balance2
else:
our_balance = balance2
partner_address = address1
partner_balance = balance1
our_state = ChannelEndState(
our_address,
our_balance,
None,
EMPTY_MERKLE_TREE,
)
partner_state = ChannelEndState(
partner_address,
partner_balance,
None,
EMPTY_MERKLE_TREE,
)
channel = Channel(
our_state,
partner_state,
external_state,
token_address,
reveal_timeout,
settle_timeout,
)
return channel
def get_dao_balance(state, address):
msg_data = CallData(
[ord(x) for x in dao_ct.encode('balanceOf', [address])])
msg = Message(normalize_address(address),
normalize_address(dao),
0,
1000000,
msg_data,
code_address=normalize_address(dao))
output = ''.join(map(chr, apply_const_message(state, msg)))
return dao_ct.decode('balanceOf', output)[0]
def channel_from_nettingcontract(
our_key,
netting_contract,
external_state,
reveal_timeout):
""" Create a `channel.Channel` for the `netting_contract`.
Use this to make sure that both implementations (the smart contract and the
python code) work in tandem.
"""
our_address = privatekey_to_address(our_key)
token_address_hex = netting_contract.tokenAddress(sender=our_key)
settle_timeout = netting_contract.settleTimeout(sender=our_key)
address_balance = netting_contract.addressAndBalance(sender=our_key)
address1_hex, balance1, address2_hex, balance2 = address_balance
token_address = normalize_address(token_address_hex)
address1 = normalize_address(address1_hex)
address2 = normalize_address(address2_hex)
if our_address == address1:
our_balance = balance1
partner_address = address2
partner_balance = balance2
else:
our_balance = balance2
partner_address = address1
partner_balance = balance1
our_state = ChannelEndState(
our_address,
our_balance,
None,
EMPTY_MERKLE_TREE,
)
partner_state = ChannelEndState(
partner_address,
partner_balance,
None,
EMPTY_MERKLE_TREE,
)
channel = Channel(
our_state,
partner_state,
external_state,
token_address,
reveal_timeout,
settle_timeout,
)
return channel
def run(self, sender=None, to=None, code=None, gas=None):
sender = normalize_address(sender) if sender else normalize_address(zpad('sender', 20))
to = normalize_address(to) if to else normalize_address(zpad('receiver', 20))
code = scan_bin(code) if code else ''
gas = scan_int(gas) if gas else 10000000000000
msg = vm.Message(sender, to, gas=gas)
ext = VMExt(self.state, Transaction(0, 0, 21000, b'', 0, b''))
result, gas_remained, data = _apply_msg(ext, msg, code)
return bytearray_to_bytestr(data) if result else None
def get_trusted_transactions(addr, trusted_addresses):
txs = blockchain.get_transactions_on_address(addr)
trusted_txs = []
norm_trusted_addresses = []
for address in trusted_addresses:
norm_trusted_addresses.append(normalize_address(address))
for tx in txs:
if normalize_address(tx['from']) in norm_trusted_addresses:
trusted_txs.append(tx)
return trusted_txs
def get_takeorder_txn(self, address, utxopos, amount):
print("called get_takeorder_txn with params [%s, %d, %d]" % (address, utxopos, amount))
encoded_utxos = self.get_utxos(address, ZERO_ADDRESS)
blkid = int(utxopos / 1000000000)
txid = int((utxopos % 1000000000) / 10000)
oindex = utxopos % 10000
tx_info = self._get_input_info(blkid, txid, oindex, None, None)
print("make order info: %s" % str(tx_info))
utxos = rlp.decode(utils.decode_hex(encoded_utxos),
rlp.sedes.CountableList(rlp.sedes.List([rlp.sedes.big_endian_int,
rlp.sedes.big_endian_int,
rlp.sedes.big_endian_int,
rlp.sedes.big_endian_int])))
tx = None
purchase_price = Web3.fromWei(amount, 'ether') * tx_info['tokenprice']
# Find a utxos with enough ether
for utxo in utxos:
if utxo[3] >= purchase_price:
# generate the transaction object
ether_change_amount = utxo[3] - purchase_price
makeorder_change_amount = tx_info['amount'] - amount
if ether_change_amount:
ether_change_utxo = [Transaction.UTXOType.transfer, utils.normalize_address(address), int(ether_change_amount), 0, ZERO_ADDRESS]
else:
ether_change_utxo = [0, ZERO_ADDRESS, 0, 0, ZERO_ADDRESS]
if makeorder_change_amount:
makeorder_change_utxo = [Transaction.UTXOType.make_order, utils.normalize_address(tx_info['owner']), int(makeorder_change_amount), tx_info['tokenprice'], utils.normalize_address(tx_info['currency'])]
else:
makeorder_change_utxo = [0, ZERO_ADDRESS, 0, 0, ZERO_ADDRESS]
tx = Transaction(Transaction.TxnType.take_order,
utxo[0], utxo[1], utxo[2],
blkid, txid, oindex,
Transaction.UTXOType.transfer, utils.normalize_address(tx_info['owner']), int(purchase_price), 0, ZERO_ADDRESS, # The ether payment to seller
Transaction.UTXOType.transfer, utils.normalize_address(address), amount, 0, utils.normalize_address(tx_info['currency']), # The token transfer to buyer
*(ether_change_utxo + makeorder_change_utxo))
break
return (tx, tx.readable_str if tx else None)
def del_account(self, address):
self.set_balance(address, 0)
self.set_nonce(address, 0)
self.set_code(address, b'')
self.reset_storage(address)
self.set_and_journal(
self.get_and_cache_account(
utils.normalize_address(address)),
'deleted',
True)
self.set_and_journal(
self.get_and_cache_account(
utils.normalize_address(address)),
'touched',
False)
def create_contract(ext, msg):
log_msg.debug("CONTRACT CREATION")
# print('CREATING WITH GAS', msg.gas)
sender = decode_hex(msg.sender) if len(msg.sender) == 40 else msg.sender
code = msg.data.extract_all()
if ext._block.number >= ext._block.config["METROPOLIS_FORK_BLKNUM"]:
msg.to = mk_metropolis_contract_address(msg.sender, code)
if ext.get_code(msg.to):
if ext.get_nonce(msg.to) >= 2 ** 40:
ext.set_nonce(msg.to, (ext.get_nonce(msg.to) + 1) % 2 ** 160)
msg.to = normalize_address((ext.get_nonce(msg.to) - 1) % 2 ** 160)
else:
ext.set_nonce(msg.to, (big_endian_to_int(msg.to) + 2) % 2 ** 160)
msg.to = normalize_address((ext.get_nonce(msg.to) - 1) % 2 ** 160)
else:
if ext.tx_origin != msg.sender:
ext._block.increment_nonce(msg.sender)
nonce = utils.encode_int(ext._block.get_nonce(msg.sender) - 1)
msg.to = mk_contract_address(sender, nonce)
b = ext.get_balance(msg.to)
if b > 0:
ext.set_balance(msg.to, b)
ext._block.set_nonce(msg.to, 0)
ext._block.set_code(msg.to, b"")
ext._block.reset_storage(msg.to)
msg.is_create = True
# assert not ext.get_code(msg.to)
msg.data = vm.CallData([], 0, 0)
snapshot = ext._block.snapshot()
res, gas, dat = _apply_msg(ext, msg, code)
assert utils.is_numeric(gas)
if res:
if not len(dat):
return 1, gas, msg.to
gcost = len(dat) * opcodes.GCONTRACTBYTE
if gas >= gcost:
gas -= gcost
else:
dat = []
log_msg.debug("CONTRACT CREATION OOG", have=gas, want=gcost, block_number=ext._block.number)
if ext._block.number >= ext._block.config["HOMESTEAD_FORK_BLKNUM"]:
ext._block.revert(snapshot)
return 0, 0, b""
ext._block.set_code(msg.to, b"".join(map(ascii_chr, dat)))
return 1, gas, msg.to
else:
return 0, gas, b""
def create_contract(ext, msg):
log_msg.debug('CONTRACT CREATION')
#print('CREATING WITH GAS', msg.gas)
sender = decode_hex(msg.sender) if len(msg.sender) == 40 else msg.sender
code = msg.data.extract_all()
if ext._block.number >= ext._block.config['METROPOLIS_FORK_BLKNUM']:
msg.to = mk_metropolis_contract_address(msg.sender, code)
if ext.get_code(msg.to):
if ext.get_nonce(msg.to) >= 2 ** 40:
ext.set_nonce(msg.to, (ext.get_nonce(msg.to) + 1) % 2 ** 160)
msg.to = normalize_address((ext.get_nonce(msg.to) - 1) % 2 ** 160)
else:
ext.set_nonce(msg.to, (big_endian_to_int(msg.to) + 2) % 2 ** 160)
msg.to = normalize_address((ext.get_nonce(msg.to) - 1) % 2 ** 160)
else:
if ext.tx_origin != msg.sender:
ext._block.increment_nonce(msg.sender)
nonce = utils.encode_int(ext._block.get_nonce(msg.sender) - 1)
msg.to = mk_contract_address(sender, nonce)
b = ext.get_balance(msg.to)
if b > 0:
ext.set_balance(msg.to, b)
ext._block.set_nonce(msg.to, 0)
ext._block.set_code(msg.to, b'')
ext._block.reset_storage(msg.to)
msg.is_create = True
# assert not ext.get_code(msg.to)
msg.data = vm.CallData([], 0, 0)
snapshot = ext._block.snapshot()
res, gas, dat = _apply_msg(ext, msg, code)
assert utils.is_numeric(gas)
if res:
if not len(dat):
return 1, gas, msg.to
gcost = len(dat) * opcodes.GCONTRACTBYTE
if gas >= gcost:
gas -= gcost
else:
dat = []
log_msg.debug('CONTRACT CREATION OOG', have=gas, want=gcost, block_number=ext._block.number)
if ext._block.number >= ext._block.config['HOMESTEAD_FORK_BLKNUM']:
ext._block.revert(snapshot)
return 0, 0, b''
ext._block.set_code(msg.to, b''.join(map(ascii_chr, dat)))
return 1, gas, msg.to
else:
return 0, gas, b''
def address_hex(address):
"""
Normalizes address.
"""
prefix = "0x"
address_hex = prefix + normalize_address(address).encode("hex")
return address_hex
def test_recoverAddressFromSignature(tester_chain, tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_chain, tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
msg = DirectTransfer(
identifier=1,
nonce=1,
token='x' * 20,
channel=auxiliary.address,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH
)
msg.sign(privkey, address)
data = msg.encode()
signature = data[-65:]
extra_hash = sha3(data[:-65])
computed_address = auxiliary.recoverAddressFromSignature(
msg.nonce,
msg.transferred_amount,
msg.locksroot,
extra_hash,
signature
)
assert normalize_address(computed_address) == msg.sender
def new_filter(
jsonrpc_client: JSONRPCClient,
contract_address: address,
topics: Optional[List[int]],
from_block: Union[str, int] = 0,
to_block: Union[str, int] = 'latest'):
""" Custom new filter implementation to handle bad encoding from geth rpc. """
if isinstance(from_block, int):
from_block = hex(from_block)
if isinstance(to_block, int):
to_block = hex(to_block)
json_data = {
'fromBlock': from_block,
'toBlock': to_block,
'address': address_encoder(normalize_address(contract_address)),
}
if topics is not None:
json_data['topics'] = [
topic_encoder(topic)
for topic in topics
]
return jsonrpc_client.call('eth_newFilter', json_data)
def send_transaction(self, transaction):
tx = rlp.decode(utils.decode_hex(transaction), Transaction)
# Reject transactions refering to a future block as prev_block
if (tx.prev_block >
self.current_block_number + self.child_block_interval):
raise InvalidPrevBlockException('failed to send transaction')
# If the tx we are spending is not a deposit tx
if tx.prev_block % self.child_block_interval == 0:
# If the TX we are referencing was initially a deposit TX, then it
# does not have a signature attached
# The tx we are referencing should be included in a block
prev_tx = self.blocks[tx.prev_block].get_tx_by_uid(tx.uid)
if prev_tx is None:
raise PreviousTxNotFoundException('failed to send transaction')
# The tx we are referencing should not be spent
if prev_tx.spent:
raise TxAlreadySpentException('failed to send transaction')
# deposit tx if prev_block is 0
if (prev_tx.prev_block % self.child_block_interval == 0 and
utils.normalize_address(tx.sender) != prev_tx.new_owner):
raise InvalidTxSignatureException('failed to send transaction')
# `add_tx` automatically checks if the coin has already been moved
# in the current block
self.current_block.add_tx(tx)
prev_tx.spent = True # Mark the previous tx as spent
# If the tx we are spending is a deposit tx
else:
self.current_block.add_tx(tx)
return tx.hash
def verify_block(block_info):
# verify the difficulty
if utils.parse_as_int(block_info['difficulty']) < 10000000:
return False
if int(normalize_bytes(block_info["nonce"]).hex(), 16) * utils.parse_as_int(block_info['difficulty']) \
> pow(2, 256):
return False
# get block header from block info
header = block.BlockHeader(
normalize_bytes(block_info["parentHash"]),
normalize_bytes(block_info["sha3Uncles"]),
utils.normalize_address(block_info["miner"]),
normalize_bytes(block_info["stateRoot"]),
normalize_bytes(block_info["transactionsRoot"]),
normalize_bytes(block_info["receiptsRoot"]),
utils.bytes_to_int(normalize_bytes(block_info["logsBloom"])),
utils.parse_as_int(block_info['difficulty']),
utils.parse_as_int(block_info['number']),
utils.parse_as_int(block_info['gasLimit']),
utils.parse_as_int(block_info['gasUsed']),
utils.parse_as_int(block_info['timestamp']),
normalize_bytes(block_info["extraData"]),
normalize_bytes(block_info["mixHash"]),
normalize_bytes(block_info["nonce"]),
)
# calculate the block hash
# compare the block hash with trusted block hash
if normalize_bytes(block_info.hash) != header.hash:
return False
else:
return True
def test_recoverAddressFromSignature(tester_chain,
tester_nettingchannel_library_address):
auxiliary = deploy_auxiliary_tester(tester_chain,
tester_nettingchannel_library_address)
privkey, address = make_privkey_address()
message_identifier = random.randint(0, UINT64_MAX)
msg = DirectTransfer(message_identifier=message_identifier,
payment_identifier=1,
nonce=1,
registry_address='x' * 20,
token='x' * 20,
channel=auxiliary.address,
transferred_amount=10,
recipient='y' * 20,
locksroot=HASH)
msg.sign(privkey, address)
data = msg.encode()
signature = data[-65:]
extra_hash = sha3(data[:-65])
computed_address = auxiliary.recoverAddressFromSignature(
msg.nonce, msg.transferred_amount, msg.locksroot, extra_hash,
signature)
assert normalize_address(computed_address) == msg.sender
def address_by_endpoint(self, endpoint):
address = self.proxy.call('findAddressByEndpoint', endpoint)
if address == self.not_found_address: # the 0 address means nothing found
return None
return normalize_address(address)
def validate_transaction(block, tx):
def rp(what, actual, target):
return "%r: %r actual:%r target:%r" % (tx, what, actual, target)
# (1) The transaction signature is valid;
if not tx.sender: # sender is set and validated on Transaction initialization
if block.number >= config.default_config["METROPOLIS_FORK_BLKNUM"]:
tx._sender = normalize_address(config.default_config["METROPOLIS_ENTRY_POINT"])
else:
raise UnsignedTransaction(tx)
if block.number >= config.default_config["HOMESTEAD_FORK_BLKNUM"]:
tx.check_low_s()
# (2) the transaction nonce is valid (equivalent to the
# sender account's current nonce);
acctnonce = block.get_nonce(tx.sender)
if acctnonce != tx.nonce:
raise InvalidNonce(rp("nonce", tx.nonce, acctnonce))
# (3) the gas limit is no smaller than the intrinsic gas,
# g0, used by the transaction;
if tx.startgas < tx.intrinsic_gas_used:
raise InsufficientStartGas(rp("startgas", tx.startgas, tx.intrinsic_gas_used))
# (4) the sender account balance contains at least the
# cost, v0, required in up-front payment.
total_cost = tx.value + tx.gasprice * tx.startgas
if block.get_balance(tx.sender) < total_cost:
raise InsufficientBalance(rp("balance", block.get_balance(tx.sender), total_cost))
# check block gas limit
if block.gas_used + tx.startgas > block.gas_limit:
raise BlockGasLimitReached(rp("gaslimit", block.gas_used + tx.startgas, block.gas_limit))
return True
def faucet_send(o, to, value):
value = int(value * denoms.ether)
nonce = o.eth.get_transaction_count(Faucet.ADDR.encode('hex'))
to = normalize_address(to)
tx = Transaction(nonce, 1, 21000, to, value, '')
tx.sign(Faucet.PRIVKEY)
r = o.eth.send(tx)
print "Transaction sent:", r
gevent.sleep(10)
def get_filter_events(
jsonrpc_client: JSONRPCClient,
contract_address: address,
topics: Optional[List[int]],
from_block: Union[str, int] = 0,
to_block: Union[str, int] = 'latest') -> List[Dict]:
""" Get filter.
This handles bad encoding from geth rpc.
"""
if isinstance(from_block, int):
from_block = hex(from_block)
if isinstance(to_block, int):
to_block = hex(to_block)
json_data = {
'fromBlock': from_block,
'toBlock': to_block,
'address': address_encoder(normalize_address(contract_address)),
}
if topics is not None:
json_data['topics'] = [
topic_encoder(topic)
for topic in topics
]
filter_changes = jsonrpc_client.call('eth_getLogs', json_data)
# geth could return None
if filter_changes is None:
return []
result = []
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [
topic_decoder(topic)
for topic in log_event['topics']
]
block_number = log_event.get('blockNumber')
if not block_number:
block_number = 0
else:
block_number = int(block_number, 0)
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
})
return result
def new_filter(jsonrpc_client, contract_address, topics):
""" Custom new filter implementation to handle bad encoding from geth rpc. """
json_data = {
'fromBlock': '',
'toBlock': '',
'address': address_encoder(normalize_address(contract_address)),
'topics': [topic_encoder(topic) for topic in topics],
}
return jsonrpc_client.call('eth_newFilter', json_data)
def encode_payment(to, value):
value = long(value)
assert value < 2**96
value = zpad(int_to_big_endian(value), 12)
assert type(value) is str
assert len(value) == 12
to = normalize_address(to)
assert len(to) == 20
mix = value + to
assert len(mix) == 32
return mix
def gimme_money(ethnode, addr, value):
nonce = ethnode.get_transaction_count(Faucet.ADDR.encode('hex'))
addr = normalize_address(addr)
tx = Transaction(nonce, 1, 21000, addr, value, '')
tx.sign(Faucet.PRIVKEY)
h = ethnode.send(tx)
log.info("Faucet --({} ETH)--> {} ({})".format(float(value) / 10**18,
addr.encode('hex'), h))
h = h[2:].decode('hex')
assert h == tx.hash
return h
def __init__(
self,
sender: address,
abi: Dict,
contract_address: address,
call_function: Callable,
transact_function: Callable,
estimate_function: Optional[Callable] = None):
sender = normalize_address(sender)
contract_address = normalize_address(contract_address)
translator = ContractTranslator(abi)
self.abi = abi
self.call_function = call_function
self.contract_address = contract_address
self.estimate_function = estimate_function
self.sender = sender
self.transaction_function = transact_function
self.translator = translator
self.valid_kargs = {'gasprice', 'startgas', 'value'}
def test_multisends(payouts, transactions):
s = tester.state()
roottx = transactions[0]
s.state.set_balance(roottx.sender, roottx.value + roottx.startgas * roottx.gasprice)
gas_used = 0
for i, tx in enumerate(transactions):
s.state.get_balance(roottx.sender)
state_transition.apply_transaction(s.state, tx)
print "Applying transaction number %d consumed %d gas out of %d" % (i, s.state.gas_used - gas_used, tx.startgas)
gas_used = s.state.gas_used
for addr, value in payouts:
balance = s.state.get_balance(utils.normalize_address(addr))
assert balance == value, (addr, balance, value)
return s.state.gas_used
def __init__(self, nonce, gasprice, startgas, to, value, data, v=0, r=0, s=0):
self.data = None
to = utils.normalize_address(to, allow_blank=True)
assert len(to) == 20 or len(to) == 0
super(Transaction, self).__init__(nonce, gasprice, startgas, to, value, data, v, r, s)
self.logs = []
if self.gasprice >= TT256 or self.startgas >= TT256 or \
self.value >= TT256 or self.nonce >= TT256:
raise InvalidTransaction("Values way too high!")
if self.startgas < self.intrinsic_gas_used:
raise InvalidTransaction("Startgas too low")
log.debug('deserialized tx', tx=encode_hex(self.hash)[:8])
def all_contract_events_raw(rpc, contract_address, start_block=None, end_block=None):
"""Find all events for a deployed contract given its `contract_address`.
Args:
rpc (pyethapp.rpc_client.JSONRPCClient): client instance.
contract_address (string): hex encoded contract address.
start_block (int): read event-logs starting from this block number.
end_block (int): read event-logs up to this block number.
Returns:
events (list)
"""
return rpc.call('eth_getLogs', {
'fromBlock': str(start_block or 0),
'toBlock': str(end_block or 'latest'),
'address': address_encoder(normalize_address(contract_address)),
'topics': [],
})
def all_contract_events_raw(
rpc: JSONRPCClient,
contract_address: str,
start_block: Union[str, int] = 0,
end_block: Union[str, int] = 'latest') -> List[Dict]:
"""Find all events for a deployed contract given its `contract_address`.
Args:
rpc: client instance.
contract_address: hex encoded contract address.
start_block: read event-logs starting from this block number (default: 0).
end_block: read event-logs up to this block number (default: 'latest').
Returns:
events
"""
return rpc.call('eth_getLogs', {
'fromBlock': str(start_block),
'toBlock': str(end_block),
'address': address_encoder(normalize_address(contract_address)),
'topics': [],
})
def __init__(self, nonce, gasprice, startgas,
to, value, data, v=0, r=0, s=0):
self.data = None
to = utils.normalize_address(to, allow_blank=True)
super(
Transaction,
self).__init__(
nonce,
gasprice,
startgas,
to,
value,
data,
v,
r,
s)
if self.gasprice >= TT256 or self.startgas >= TT256 or \
self.value >= TT256 or self.nonce >= TT256:
raise InvalidTransaction("Values way too high!")
def test_blockchain(
blockchain_backend, # required to start the geth backend pylint: disable=unused-argument
blockchain_rpc_ports,
private_keys,
poll_timeout):
# pylint: disable=too-many-locals
addresses = [
privatekey_to_address(priv)
for priv in private_keys
]
privatekey = private_keys[0]
address = privatekey_to_address(privatekey)
total_token = 100
host = '127.0.0.1'
jsonrpc_client = JSONRPCClient(
host,
blockchain_rpc_ports[0],
privatekey,
)
humantoken_path = get_contract_path('HumanStandardToken.sol')
humantoken_contracts = compile_file(humantoken_path, libraries=dict())
token_proxy = jsonrpc_client.deploy_solidity_contract(
address,
'HumanStandardToken',
humantoken_contracts,
list(),
(total_token, 'raiden', 2, 'Rd'),
contract_path=humantoken_path,
gasprice=GAS_PRICE,
timeout=poll_timeout,
)
registry_path = get_contract_path('Registry.sol')
registry_contracts = compile_file(registry_path)
registry_proxy = jsonrpc_client.deploy_solidity_contract(
address,
'Registry',
registry_contracts,
list(),
tuple(),
contract_path=registry_path,
gasprice=GAS_PRICE,
timeout=poll_timeout,
)
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert not log_list
assert token_proxy.call('balanceOf', address) == total_token
transaction_hash = registry_proxy.transact(
'addToken',
token_proxy.contract_address,
gasprice=denoms.wei,
)
jsonrpc_client.poll(unhexlify(transaction_hash), timeout=poll_timeout)
assert len(registry_proxy.call('tokenAddresses')) == 1
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 1
channel_manager_address_encoded = registry_proxy.call(
'channelManagerByToken',
token_proxy.contract_address,
)
channel_manager_address = normalize_address(channel_manager_address_encoded)
log = log_list[0]
log_topics = [
topic_decoder(topic)
for topic in log['topics'] # pylint: disable=invalid-sequence-index
]
log_data = log['data'] # pylint: disable=invalid-sequence-index
event = registry_proxy.translator.decode_event(
log_topics,
unhexlify(log_data[2:]),
)
assert channel_manager_address == normalize_address(event['channel_manager_address'])
assert token_proxy.contract_address == normalize_address(event['token_address'])
channel_manager_proxy = jsonrpc_client.new_contract_proxy(
CONTRACT_MANAGER.get_abi(CONTRACT_CHANNEL_MANAGER),
channel_manager_address,
)
transaction_hash = channel_manager_proxy.transact(
'newChannel',
addresses[1],
10,
gasprice=denoms.wei,
)
jsonrpc_client.poll(unhexlify(transaction_hash), timeout=poll_timeout)
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 2
def get_dao_balance(state, address):
msg_data = CallData([ord(x) for x in dao_ct.encode('balanceOf', [address])])
msg = Message(normalize_address(address), normalize_address(dao), 0, 1000000, msg_data, code_address=normalize_address(dao))
output = ''.join(map(chr, apply_const_message(state, msg)))
return dao_ct.decode('balanceOf', output)[0]
def test():
s = t.state()
t.gas_price = 0
s.block.coinbase = '\x35' * 20
content = open('one_phase_auction.sol').read() + open('two_phase_auction.sol').read() + open('adStorer.sol').read()
logs = []
c = s.abi_contract(content, language='solidity', log_listener = lambda x: logs.append(x))
opa_sig = t.languages['solidity'].mk_full_signature(content, 'OnePhaseAuction')
tpa_sig = t.languages['solidity'].mk_full_signature(content, 'TwoPhaseAuction')
auctions = []
while not c.initialize():
pass
for i in range(7):
a = utils.normalize_address(c.getAuctionAddress(i))
auctions.append(t.ABIContract(s, opa_sig if i < 4 else tpa_sig, a, True, lambda x: logs.append(x)))
bids = (
# bidder, value, higherValue, metadata
(0, 10000, 100000, 'horse'),
(1, 50000, 200000, 'cow'),
(2, 102000, 300000, 'dog'),
(3, 80000, 400000, 'mooch')
)
desired_winner = (2, 'dog')
desired_balance_changes = [
# First price
[0 + 102, 0 + 204, -102000 + 306, 0 + 408],
# Second price
[0 + 80, 0 + 160, -80000 + 240, 0 + 320],
# All pay
[-10000 + 242, -50000 + 484, -102000 + 726, -80000 + 968]
]
# Test all three auction types
start_time = s.block.timestamp
for i in range(3):
print 'Starting tests for two-phase auction type %d' % i
s.block.timestamp = start_time
for p in permutations(bids):
old_balances = [s.block.get_balance(x) for x in t.accounts]
bid_ids = []
for bidder, value, higherValue, metadata in p:
_id = auctions[4 + i].commitBid(sha3num(value, '\x35' * 32), metadata, value=higherValue, sender=t.keys[bidder])
assert _id >= 0, _id
bid_ids.append(_id)
assert not auctions[4 + i].revealBid(_id, value, '\x35' * 32)
s.mine(1, coinbase='\x35' * 20)
s.block.timestamp += 86400
assert auctions[4 + i].commitBid(sha3num(value, '\x35' * 32), metadata, value=higherValue, sender=t.keys[bidder]) < 0
for _id, (bidder, value, higherValue, metadata) in zip(bid_ids, p):
assert not auctions[4 + i].revealBid(_id, value - 1, '\x35' * 32)
o = auctions[4 + i].revealBid(_id, value, '\x35' * 32)
assert o
s.mine(1, coinbase='\x35' * 20)
s.block.timestamp += 86400
assert not auctions[4 + i].revealBid(_id, value)
while 1:
r = auctions[4 + i].ping()
if r:
break
assert auctions[4 + i].getPhase() == 1, auctions[4 + i].getPhase()
auction_winner_logs = [x for x in logs if x["_event_type"] == "AuctionWinner"]
assert len(auction_winner_logs)
assert auction_winner_logs[-1]["bidder"] == t.accounts[desired_winner[0]].encode('hex')
assert auction_winner_logs[-1]["metadata"].strip('\x00') == desired_winner[1]
new_balances = [s.block.get_balance(x) for x in t.accounts]
deltas = [a - b for a,b in zip(new_balances, old_balances)]
assert deltas[:len(desired_balance_changes[i])] == desired_balance_changes[i], (deltas, desired_balance_changes[i])
assert c.getWinnerAddress(4 + i) == t.accounts[desired_winner[0]].encode('hex')
assert c.getWinnerUrl(4 + i) == desired_winner[1]
bids = (
# bidder, value, metadata, expected result
(0, 200, "cow", True),
(2, 220, "moose", True), # increases max 200 -> 220
(1, 270, "pig", True), # increases max 220 -> 270
(2, 240, "moose", False), # 240 < 270
(3, 280, "mouse", False), # 280 < 270 * 1.05
(4, 290, "remorse", True), # increases max 270 -> 290
(1, 30, None, False), # 270+30 = 300 < 290 * 1.05
(1, 50, None, True), # increases max 290 -> 270+50 = 320
(2, 110, None, False), # 220+110 = 330 < 320 * 1.05
(2, 170, None, True), # increasea max 320 -> 220+170 = 390
)
desired_winners = [(4, "remorse"), (2, "moose"), (4, "remorse"), (2, "moose")]
desired_balance_changes = [
[0, 0, 0, 0, -290],
[0, 0, -390, 0, 0],
[-200, -270, -220, 0, -290],
[-200, -320, -390, 0, -290]
]
for i in range(4):
print "Starting tests for one-phase auction type %d" % i
s.block.timestamp = start_time
bidmap = {}
old_balances = [s.block.get_balance(x) for x in t.accounts]
for bidder, value, metadata, expected_result in bids:
if metadata:
o = auctions[i].bid(metadata, value=value, sender=t.keys[bidder])
assert (o >= 0) is expected_result
if o >= 0:
bidmap[bidder] = o
elif i & 1:
assert auctions[i].increaseBid(bidmap[bidder], value=value, sender=t.keys[bidder]) is expected_result
s.mine(1, coinbase='\x35' * 20)
s.block.timestamp += 86400
newish_balances = [s.block.get_balance(x) for x in t.accounts]
deltas0 = [a - b for a,b in zip(newish_balances, old_balances)]
while not auctions[i].ping():
pass
auction_winner_logs = [x for x in logs if x["_event_type"] == "AuctionWinner"]
assert len(auction_winner_logs)
assert auction_winner_logs[-1]["bidder"] == t.accounts[desired_winners[i][0]].encode('hex')
assert auction_winner_logs[-1]["metadata"] == desired_winners[i][1]
new_balances = [s.block.get_balance(x) for x in t.accounts]
deltas = [a - b for a,b in zip(new_balances, old_balances)]
assert deltas[:len(desired_balance_changes[i])] == desired_balance_changes[i]
assert c.getWinnerAddress(i) == t.accounts[desired_winners[i][0]].encode('hex')
assert c.getWinnerUrl(i) == desired_winners[i][1]
def run_state_test(params, mode):
pre = params['pre']
exek = params['transaction']
env = params['env']
assert set(env.keys()) == set(['currentGasLimit', 'currentTimestamp',
'previousHash', 'currentCoinbase',
'currentDifficulty', 'currentNumber'])
assert len(env['currentCoinbase']) == 40
# setup env
header = blocks.BlockHeader(
prevhash=decode_hex(env['previousHash']),
number=parse_int_or_hex(env['currentNumber']),
coinbase=decode_hex(env['currentCoinbase']),
difficulty=parse_int_or_hex(env['currentDifficulty']),
timestamp=parse_int_or_hex(env['currentTimestamp']),
# work around https://github.com/ethereum/pyethereum/issues/390 [1]:
gas_limit=min(2 ** 63 - 1, parse_int_or_hex(env['currentGasLimit'])))
blk = blocks.Block(header, env=db_env)
# work around https://github.com/ethereum/pyethereum/issues/390 [2]:
blk.gas_limit = parse_int_or_hex(env['currentGasLimit'])
# setup state
for address, h in list(pre.items()):
assert len(address) == 40
address = decode_hex(address)
assert set(h.keys()) == set(['code', 'nonce', 'balance', 'storage'])
blk.set_nonce(address, parse_int_or_hex(h['nonce']))
blk.set_balance(address, parse_int_or_hex(h['balance']))
blk.set_code(address, decode_hex(h['code'][2:]))
for k, v in h['storage'].items():
blk.set_storage_data(address,
utils.big_endian_to_int(decode_hex(k[2:])),
utils.big_endian_to_int(decode_hex(v[2:])))
for address, h in list(pre.items()):
address = decode_hex(address)
assert blk.get_nonce(address) == parse_int_or_hex(h['nonce'])
assert blk.get_balance(address) == parse_int_or_hex(h['balance'])
assert blk.get_code(address) == decode_hex(h['code'][2:])
for k, v in h['storage'].items():
assert blk.get_storage_data(address, utils.big_endian_to_int(
decode_hex(k[2:]))) == utils.big_endian_to_int(decode_hex(v[2:]))
# execute transactions
orig_apply_msg = pb.apply_msg
def apply_msg_wrapper(ext, msg):
def blkhash(n):
if n >= blk.number or n < blk.number - 256:
return b''
else:
return utils.sha3(to_string(n))
ext.block_hash = blkhash
return orig_apply_msg(ext, msg)
pb.apply_msg = apply_msg_wrapper
try:
tx = transactions.Transaction(
nonce=parse_int_or_hex(exek['nonce'] or b"0"),
gasprice=parse_int_or_hex(exek['gasPrice'] or b"0"),
startgas=parse_int_or_hex(exek['gasLimit'] or b"0"),
to=normalize_address(exek['to'], allow_blank=True),
value=parse_int_or_hex(exek['value'] or b"0"),
data=decode_hex(remove_0x_head(exek['data'])))
except InvalidTransaction:
tx = None
success, output = False, b''
time_pre = time.time()
time_post = time_pre
else:
if 'secretKey' in exek:
tx.sign(exek['secretKey'])
elif all(key in exek for key in ['v', 'r', 's']):
tx.v = decode_hex(remove_0x_head(exek['v']))
tx.r = decode_hex(remove_0x_head(exek['r']))
tx.s = decode_hex(remove_0x_head(exek['s']))
else:
assert False
time_pre = time.time()
try:
print('trying')
success, output = pb.apply_transaction(blk, tx)
blk.commit_state()
print('success', blk.get_receipts()[-1].gas_used)
except InvalidTransaction:
success, output = False, b''
blk.commit_state()
pass
time_post = time.time()
if tx.to == b'':
output = blk.get_code(output)
pb.apply_msg = orig_apply_msg
params2 = copy.deepcopy(params)
if success:
params2['logs'] = [log.to_dict() for log in blk.get_receipt(0).logs]
params2['out'] = b'0x' + encode_hex(output)
params2['post'] = copy.deepcopy(blk.to_dict(True)['state'])
params2['postStateRoot'] = encode_hex(blk.state.root_hash)
if mode == FILL:
return params2
elif mode == VERIFY:
params1 = copy.deepcopy(params)
shouldbe, reallyis = params1.get('post', None), params2.get('post', None)
compare_post_states(shouldbe, reallyis)
for k in ['pre', 'exec', 'env', 'callcreates',
'out', 'gas', 'logs', 'postStateRoot']:
_shouldbe = params1.get(k, None)
_reallyis = params2.get(k, None)
if _shouldbe != _reallyis:
print(('Mismatch {key}: shouldbe {shouldbe_key} != reallyis {reallyis_key}.\n'
'post: {shouldbe_post} != {reallyis_post}').format(
shouldbe_key=_shouldbe, reallyis_key=_reallyis,
shouldbe_post=shouldbe, reallyis_post=reallyis, key=k))
raise Exception("Mismatch: " + k + ':\n shouldbe %r\n reallyis %r' %
(_shouldbe, _reallyis))
elif mode == TIME:
return time_post - time_pre
# Metropolis fork
METROPOLIS_FORK_BLKNUM=4370000,
METROPOLIS_ENTRY_POINT=2 ** 160 - 1,
METROPOLIS_STATEROOT_STORE=0x10,
METROPOLIS_BLOCKHASH_STORE=0x20,
METROPOLIS_WRAPAROUND=65536,
METROPOLIS_GETTER_CODE=decode_hex('6000355460205260206020f3'),
METROPOLIS_DIFF_ADJUSTMENT_CUTOFF=9,
# Constantinople fork
CONSTANTINOPLE_FORK_BLKNUM=2**100,
# DAO fork
DAO_FORK_BLKNUM=1920000,
DAO_FORK_BLKHASH=decode_hex(
'4985f5ca3d2afbec36529aa96f74de3cc10a2a4a6c44f2157a57d2c6059a11bb'),
DAO_FORK_BLKEXTRA=decode_hex('64616f2d686172642d666f726b'),
DAO_WITHDRAWER=utils.normalize_address(
'0xbf4ed7b27f1d666546e30d74d50d173d20bca754'),
# Anti-DoS fork
ANTI_DOS_FORK_BLKNUM=2463000,
SPURIOUS_DRAGON_FORK_BLKNUM=2675000,
CONTRACT_CODE_SIZE_LIMIT=0x6000,
# Default consensus strategy: ethash, poa, casper, pbft
CONSENSUS_STRATEGY='ethash',
# Serenity fork
SERENITY_FORK_BLKNUM=2**99,
PREV_HEADER_DEPTH=256,
SYSTEM_ENTRY_POINT=utils.int_to_addr(2**160 - 2),
SERENITY_HEADER_VERIFIER=utils.int_to_addr(255),
SERENITY_HEADER_POST_FINALIZER=utils.int_to_addr(254),
SERENITY_GETTER_CODE=decode_hex(
'60ff331436604014161560155760203560003555005b6000355460205260206020f3'),
# Custom specials
print 'State created'
# Check pre-balance
pre_balance = state.get_balance(my_account)
pre_dao_tokens = get_dao_balance(state, my_account)
pre_withdrawer_balance = state.get_balance(withdrawer)
print 'Pre ETH (wei) balance: %d' % pre_balance
print 'Pre DAO (base unit) balance: %d' % pre_dao_tokens
# Attempt to claim the ETH without approving (should fail)
tx0 = Transaction(state.get_nonce(my_account), 0, 1000000, withdrawer, 0, withdrawer_ct.encode('withdraw', [])).sign('\x33' * 32)
tx0._sender = normalize_address(my_account)
apply_transaction(state, tx0)
med_balance = state.get_balance(my_account)
med_dao_tokens = get_dao_balance(state, my_account)
med_withdrawer_balance = state.get_balance(withdrawer)
assert med_balance == pre_balance
assert med_dao_tokens == pre_dao_tokens
assert med_withdrawer_balance == pre_withdrawer_balance > 0
print 'ETH claim without approving failed, as expected'
# Approve the withdrawal
tx1 = Transaction(state.get_nonce(my_account), 0, 1000000, dao, 0, dao_ct.encode('approve', [withdrawer, 100000 * 10**18])).sign('\x33' * 32)
def test_withdraw_at_settlement_block(
deposit,
settle_timeout,
tester_nettingcontracts,
tester_chain,
tester_token):
""" It must be possible to unlock a lock up to and including the settlment
block.
"""
pkey0, pkey1, nettingchannel = tester_nettingcontracts[0]
address0 = privatekey_to_address(pkey0)
address1 = privatekey_to_address(pkey1)
initial_balance0 = tester_token.balanceOf(address0, sender=pkey0)
initial_balance1 = tester_token.balanceOf(address1, sender=pkey0)
lock_amount = 31
lock_expiration = tester_chain.block.number + settle_timeout
secret = b'settlementsettlementsettlementse'
hashlock = sha3(secret)
lock0 = Lock(
amount=lock_amount,
expiration=lock_expiration,
hashlock=hashlock,
)
lock0_bytes = bytes(lock0.as_bytes)
lock0_hash = sha3(lock0_bytes)
opened_block = nettingchannel.opened(sender=pkey0)
nonce = 1 + (opened_block * (2 ** 32))
mediated0 = MediatedTransfer(
identifier=1,
nonce=nonce,
token=tester_token.address,
channel=normalize_address(nettingchannel.address),
transferred_amount=0,
recipient=address1,
locksroot=lock0_hash,
lock=lock0,
target=address1,
initiator=address0,
fee=0,
)
sign_key0 = PrivateKey(pkey0)
mediated0.sign(sign_key0, address0)
mediated0_hash = sha3(mediated0.packed().data[:-65])
nettingchannel.close(
mediated0.nonce,
mediated0.transferred_amount,
mediated0.locksroot,
mediated0_hash,
mediated0.signature,
sender=pkey1,
)
block_until_settlement_end = lock_expiration - tester_chain.block.number
tester_chain.mine(number_of_blocks=block_until_settlement_end)
assert lock_expiration == tester_chain.block.number
nettingchannel.withdraw(
lock0_bytes,
b'', # the lock itself it the root, the proof is empty
secret,
sender=pkey1,
)
tester_chain.mine(number_of_blocks=1)
nettingchannel.settle(sender=pkey0)
balance0 = initial_balance0 + deposit - lock0.amount
balance1 = initial_balance1 + deposit + lock0.amount
assert tester_token.balanceOf(address0, sender=pkey0) == balance0
assert tester_token.balanceOf(address1, sender=pkey0) == balance1
assert tester_token.balanceOf(nettingchannel.address, sender=pkey0) == 0
