def all_rlp_fields_to_dict_camel_case(
rlp_object: Union[rlp.Serializable, List, Tuple]
) -> Union[Dict[str, any], List[any]]:
#It is either rlp.Serializable or a list
if isinstance(rlp_object, rlp.Serializable):
dict_to_return = {}
# add all of the fields in camelcase
for i in range(len(rlp_object._meta.field_names)):
field_name = rlp_object._meta.field_names[i]
key = underscore_to_camel_case(field_name)
raw_val = getattr(rlp_object, field_name)
if isinstance(raw_val, rlp.Serializable) or isinstance(
raw_val, list) or isinstance(raw_val, tuple):
val = all_rlp_fields_to_dict_camel_case(raw_val)
else:
val = to_hex(raw_val)
dict_to_return[key] = val
return dict_to_return
else:
list_to_return = []
for i in range(len(rlp_object)):
raw_val = rlp_object[i]
if isinstance(raw_val, rlp.Serializable) or isinstance(
raw_val, list) or isinstance(raw_val, tuple):
val = all_rlp_fields_to_dict_camel_case(raw_val)
else:
val = to_hex(raw_val)
list_to_return.append(val)
return list_to_return
async def handle_get_block_bodies(self, peer: ETHPeer,
block_hashes: Sequence[Hash32]) -> None:
if not peer.is_operational:
return
self.logger.debug2("%s requested bodies for %d blocks", peer,
len(block_hashes))
bodies = []
# Only serve up to MAX_BODIES_FETCH items in every request.
for block_hash in block_hashes[:MAX_BODIES_FETCH]:
try:
header = await self.wait(
self.db.coro_get_block_header_by_hash(block_hash))
except HeaderNotFound:
self.logger.debug("%s asked for a block we don't have: %s",
peer, to_hex(block_hash))
continue
try:
transactions = await self.wait(
self.db.coro_get_block_transactions(
header, BaseTransactionFields))
except MissingTrieNode as exc:
self.logger.debug(
"%s asked for block transactions we don't have: %s, "
"due to %r",
peer,
to_hex(block_hash),
exc,
)
continue
uncles = await self.wait(
self.db.coro_get_block_uncles(header.uncles_hash))
bodies.append(BlockBody(transactions, uncles))
self.logger.debug2("Replying to %s with %d block bodies", peer,
len(bodies))
peer.sub_proto.send_block_bodies(bodies)
def initiate_payment(
self,
registry_address: typing.PaymentNetworkID,
token_address: typing.TokenAddress,
target_address: typing.Address,
amount: typing.TokenAmount,
identifier: typing.PaymentID,
):
log.debug(
'Initiating payment',
node=pex(self.raiden_api.address),
registry_address=to_checksum_address(registry_address),
token_address=to_checksum_address(token_address),
target_address=to_checksum_address(target_address),
amount=amount,
payment_identifier=identifier,
)
if identifier is None:
identifier = create_default_identifier()
try:
payment_status = self.raiden_api.transfer(
registry_address=registry_address,
token_address=token_address,
target=target_address,
amount=amount,
identifier=identifier,
)
except (InvalidAmount, InvalidAddress, PaymentConflict,
UnknownTokenAddress) as e:
return api_error(
errors=str(e),
status_code=HTTPStatus.CONFLICT,
)
except InsufficientFunds as e:
return api_error(
errors=str(e),
status_code=HTTPStatus.PAYMENT_REQUIRED,
)
if payment_status.payment_done is False:
return api_error(
errors="Payment couldn't be completed "
"(insufficient funds, no route to target or target offline).",
status_code=HTTPStatus.CONFLICT,
)
payment = {
'initiator_address': self.raiden_api.address,
'registry_address': registry_address,
'token_address': token_address,
'target_address': target_address,
'amount': amount,
'identifier': identifier,
'secret': to_hex(payment_status.secret),
'secret_hash': to_hex(payment_status.secret_hash),
}
result = self.payment_schema.dump(payment)
return api_response(result=result.data)
async def handle_get_receipts(self, peer: ETHPeer,
block_hashes: Sequence[Hash32]) -> None:
if not peer.is_operational:
return
self.logger.debug2("%s requested receipts for %d blocks", peer,
len(block_hashes))
receipts = []
# Only serve up to MAX_RECEIPTS_FETCH items in every request.
for block_hash in block_hashes[:MAX_RECEIPTS_FETCH]:
try:
header = await self.wait(
self.db.coro_get_block_header_by_hash(block_hash))
except HeaderNotFound:
self.logger.debug(
"%s asked receipts for a block we don't have: %s", peer,
to_hex(block_hash))
continue
try:
block_receipts = await self.wait(
self.db.coro_get_receipts(header, Receipt))
except MissingTrieNode as exc:
self.logger.debug(
"%s asked for block receipts we don't have: %s, "
"due to %r",
peer,
to_hex(block_hash),
exc,
)
continue
receipts.append(block_receipts)
self.logger.debug2("Replying to %s with receipts for %d blocks", peer,
len(receipts))
peer.sub_proto.send_receipts(receipts)
async def handle_get_receipts(self, peer: ETHProxyPeer, command: GetReceiptsV65) -> None:
block_hashes = command.payload
self.logger.debug2("%s requested receipts for %d blocks", peer, len(block_hashes))
receipts = []
# Only serve up to MAX_RECEIPTS_FETCH items in every request.
for block_hash in block_hashes[:MAX_RECEIPTS_FETCH]:
try:
header = await self.db.coro_get_block_header_by_hash(block_hash)
except HeaderNotFound:
self.logger.debug(
"%s asked receipts for a block we don't have: %s", peer, to_hex(block_hash)
)
continue
vm_class = self._chain_class.get_vm_class_for_block_number(header.block_number)
try:
block_receipts = await self.db.coro_get_receipts(
header,
vm_class.get_receipt_builder(),
)
except MissingTrieNode as exc:
self.logger.debug(
"%s asked for block receipts we don't have: %s, "
"due to %r",
peer,
to_hex(block_hash),
exc,
)
continue
receipts.append(block_receipts)
self.logger.debug2("Replying to %s with receipts for %d blocks", peer, len(receipts))
peer.eth_api.send_receipts(receipts)
def update_iou(
iou: typing.Dict[str, typing.Any],
privkey: bytes,
added_amount: typing.TokenAmount = 0,
expiration_block: typing.Optional[typing.BlockNumber] = None,
) -> typing.Dict[str, typing.Any]:
expected_signature = to_hex(
sign_one_to_n_iou(
privatekey=to_hex(privkey),
expiration=iou['expiration_block'],
sender=iou['sender'],
receiver=iou['receiver'],
amount=iou['amount'],
))
if iou.get('signature') != expected_signature:
raise ServiceRequestFailed(
'Last IOU as given by the pathfinding service is invalid (signature does not match)',
)
iou['amount'] += added_amount
if expiration_block:
iou['expiration_block'] = expiration_block
iou['signature'] = sign_one_to_n_iou(
privatekey=to_hex(privkey),
expiration=iou['expiration_block'],
sender=iou['sender'],
receiver=iou['receiver'],
amount=iou['amount'],
)
return iou
def create_latest_block_uri(w3: Web3, tx_receipt: TxReceipt) -> URI:
"""
Creates a new block uri from data in w3 and provided tx_receipt.
"""
chain_id = to_hex(get_genesis_block_hash(w3))
block_hash = to_hex(tx_receipt.blockHash)
return create_block_uri(chain_id, block_hash)
async def retrieve_block(w3: Web3, block_number: int) -> Block:
block_data = await trio.to_thread.run_sync(w3.eth.getBlock, block_number, True)
transactions_data = cast(Sequence[TxData], block_data["transactions"])
transaction_hashes = tuple(to_hex(tx_data["hash"]) for tx_data in transactions_data)
receipts_data = await gather(
*(
(trio.to_thread.run_sync, w3.eth.getTransactionReceipt, transaction_hash)
for transaction_hash in transaction_hashes
)
)
uncles_data = await gather(
*(
(
trio.to_thread.run_sync,
w3.eth.getUncleByBlock,
to_hex(block_data["hash"]),
idx,
)
for idx in range(len(block_data["uncles"]))
)
)
return extract_block(
block_data,
transactions_data=transactions_data,
uncles_data=uncles_data,
receipts_data=receipts_data,
)
def check_addresses(backers):
result = []
for backer in backers:
if not is_hex(backer):
to_hex(backer)
result.append(backer)
return result
def update_iou(
iou: Dict[str, Any],
privkey: bytes,
added_amount: TokenAmount = ZERO_TOKENS,
expiration_block: Optional[BlockNumber] = None,
) -> Dict[str, Any]:
expected_signature = to_hex(
sign_one_to_n_iou(
privatekey=to_hex(privkey),
expiration=iou["expiration_block"],
sender=iou["sender"],
receiver=iou["receiver"],
amount=iou["amount"],
))
if iou.get("signature") != expected_signature:
raise ServiceRequestFailed(
"Last IOU as given by the pathfinding service is invalid (signature does not match)"
)
iou["amount"] += added_amount
if expiration_block:
iou["expiration_block"] = expiration_block
iou["signature"] = to_hex(
sign_one_to_n_iou(
privatekey=to_hex(privkey),
expiration=iou["expiration_block"],
sender=iou["sender"],
receiver=iou["receiver"],
amount=iou["amount"],
))
return iou
def main():
try:
# Connect to web3
w3 = connect_to_web3(URL)
# Load contracts
Ransom = load_contract(w3, os.path.join(PATH, 'Ransom.json'))
Escrow = load_contract(w3, os.path.join(PATH, 'Escrow.json'))
Registry = load_contract(w3, os.path.join(PATH, 'Escrow.json'))
escrow_contract = Escrow(address=w3.toChecksumAddress(ESCROW_ADDRESS))
registry_contract = Registry(
address=w3.toChecksumAddress(REGISTRY_ADDRESS))
ransom_contract = Ransom(address=w3.toChecksumAddress(RANSOM_ADDRESS))
victims = []
with open('victims.txt') as v:
for line in v:
victims.append(line.strip())
with open('payed_accounts.txt') as p:
for line in p:
m = w3.eth.getBalance(w3.toChecksumAddress(line.strip()))
print(w3.fromWei(m, 'ether'))
pos = str(7).rjust(64, '0')
storage_key = to_hex(w3.sha3(hexstr=pos))
user = w3.toHex(
w3.eth.getStorageAt(w3.toChecksumAddress(ESCROW_ADDRESS),
storage_key))
print("User Address:", user)
print(w3.toHex(w3.eth.getBalance(
w3.toChecksumAddress(ESCROW_ADDRESS))))
x = w3.eth.getBalance(w3.toChecksumAddress(MYRANSOM_ADDRESS))
print("My Ransom Balance:", w3.fromWei(x, 'ether'))
for v in victims:
print("Victim:", v)
key = remove_0x_prefix(v).rjust(64, '0').lower()
pos = str(3).rjust(64, '0')
storage_key = to_hex(w3.sha3(hexstr=key + pos))
print(
w3.toHex(
w3.eth.getStorageAt(w3.toChecksumAddress(ESCROW_ADDRESS),
storage_key)))
'''
for x in range(0, 20):
pos = str(1).rjust(64, '0')
storage_key = hex(int(to_hex(w3.sha3(hexstr=pos)),16) + x)
print(w3.toHex(w3.eth.getStorageAt(w3.toChecksumAddress(ESCROWADDRESS), storage_key)))
'''
except requests.exceptions.HTTPError as http_err:
LOG.error("web3 connection failure: {0}".format(http_err))
return 2
except Exception as e:
LOG.error("Caught exception: {0}".format(e))
return 3
return 0
def transaction(simple_contract_address):
function_selector = function_signature_to_4byte_selector('getMeaningOfLife()')
return {
'from': '0x' + 'ff' * 20, # unfunded address
'to': to_hex(simple_contract_address),
'gasPrice': to_hex(0),
'data': to_hex(function_selector),
}
def ProcessEpoch(block_num):
blk = rpc.eth.getBlock(to_hex(block_num))
#blk = api.models.block.Block.objects.get(id=block_id)
slashedNode = []
epoch = blk.number // settings.BLOCKS_PER_EPOCH
log.info('\tProcessing epoch at block {0}.'.format(block_num))
if epoch > 0:
end_block = blk.number - 1
start_block = end_block - settings.BLOCKS_PER_EPOCH + 1
s_b = rpc.eth.getBlock(to_hex(start_block))
e,created = api.models.epoch.Epoch.objects.get_or_create(
epoch = epoch,
defaults = {
'epoch':epoch,
'startTime': pytz.utc.localize(datetime.fromtimestamp(float(s_b.timestamp))),
'endTime': pytz.utc.localize(datetime.fromtimestamp(float(blk.timestamp))),
'startBlock': start_block,
'endBlock': end_block,
'isActive': False,
},
)
e.startTime= pytz.utc.localize(datetime.fromtimestamp(float(s_b.timestamp)))
e.isActive = False
ne,necreated = api.models.epoch.Epoch.objects.get_or_create(
epoch = epoch + 1,
defaults = {
'epoch':epoch + 1,
'startTime':pytz.utc.localize(datetime.fromtimestamp(float(s_b.timestamp))),
'endTime':pytz.utc.localize(datetime.fromtimestamp(float(s_b.timestamp))),
'startBlock': blk.number,
'endBlock': blk.number + settings.BLOCKS_PER_EPOCH - 1,
'isActive': True,
},
)
e.save()
ne.save()
if (blk.penalties != "0x"):
for addr in zip(islice(blk.penalties[2:], 0, None, 20)):
if addr.len() > 0:
slashedNode.append(addr)
if (slashedNode.len() > 0):
for i in range(0,4):
nextEpoch = epoch + 1 + i
e,created = api.models.epoch.Epoch.objects.get_or_create(
epoch = nextEpoch,
defaults = {
'epoch':nextEpoch,
'startTime':pytz.utc.localize(datetime.fromtimestamp(float(s_b.timestamp))),
'startBlock': ((nextEpoch - 1) * settings.BLOCKS_PER_EPOCH),
'endBlock': (nextEpoch * settings.BLOCKS_PER_EPOCH) - 1,
'isActive': False,
'slashedNode': str(slashedNode)
},
)
if not created:
e.slashedNode = str(ast.literal_eval(e.slashedNode).extend(slashedNode))
e.save()
def create_finalization_values(sk, balance, index, party):
sigma_E_msg = "updated|" + str(index)
sigma_E = w3.eth.account.sign_message(encode_defunct(text=sigma_E_msg),
private_key=sk)
msg = str(index) + "|" + str(balance) + "|0x" + str.upper(party[2:])
sigma_i = to_hex(
w3.eth.account.sign_message(encode_defunct(text=msg),
private_key=sk).signature)
return sigma_E_msg, to_hex(sigma_E.signature), msg, sigma_i
def get_keys_from_file(keyfile_path, keyfile_password):
with open(keyfile_path) as keyfile:
encrypted_key = keyfile.read()
private_key = w3.eth.account.decrypt(encrypted_key, keyfile_password)
pk = keys.PrivateKey(private_key)
private_key_hex = to_hex(private_key) # hex string
public_key_hex = to_hex(pk.public_key._raw_key) # hex string
return public_key_hex, private_key_hex
def main():
try:
# Connect to web3
w3 = connect_to_web3(URL)
# Load contracts
Ransom = load_contract(w3, os.path.join(PATH, 'Ransom.json'))
Escrow = load_contract(w3, os.path.join(PATH, 'Escrow.json'))
escrow_contract = Escrow(address=(ESCROW_ADDRESS))
ransom_address = []
victim_id = []
fulfilled = []
# Get all ransom addresses that the escrow is in charge of
for x in range(0, 10):
pos = str(9).rjust(64, '0')
storage_key = hex(int(to_hex(w3.sha3(hexstr=pos)), 16) + x)
ransom_address.append(
w3.toHex(
w3.eth.getStorageAt(escrow_contract.address, storage_key)))
#print("Ransom Address {0}".format(x), ransom_address[x])
# Get victim IDs from the ransom addresses
for x in range(0, 10):
pos = str(6).rjust(64, '0')
key = remove_0x_prefix(ransom_address[x]).rjust(64, "0").lower()
storage_key = to_hex(w3.sha3(hexstr=key + pos))
victim_id.append(
w3.toHex(
w3.eth.getStorageAt(escrow_contract.address, storage_key)))
#print("Victim ID {0}".format(x), victim_id[x])
# Get contract fulfillment status
for x in range(0, 10):
address = remove_0x_prefix(ransom_address[x])
#print(address[24:])
ransom_contract = Ransom(
address=w3.toChecksumAddress(address[24:]))
result = ransom_contract.functions.isFulFilled().call()
if result == True:
fulfilled.append(victim_id[x])
#print(result)
for victim in victim_id:
print(victim)
except requests.exceptions.HTTPError as http_err:
LOG.error("web3 connection failure: {0}".format(http_err))
return 2
except Exception as e:
LOG.error("Caught exception: {0}".format(e))
return 3
return 0
def test_insert_deployment(escrow_deployer):
w3 = escrow_deployer.package.w3
escrow_package = escrow_deployer.package
init_deployment_data = {
"contract_type": "Escrow",
"address": "0x",
"transaction": "0x",
"block": "0x",
}
new_deployment_data = {
"contract_type": "Escrow",
"address": "0x123",
"transaction": "0x123",
"block": "0x123",
}
genesis_hash = to_hex(get_genesis_block_hash(w3))
w3.testing.mine(1)
init_block_hash = to_hex(w3.eth.getBlock("latest")["hash"])
init_block_uri = create_block_uri(genesis_hash, init_block_hash)
alt_block_uri = init_block_uri[:15] + "yxz123" + init_block_uri[21:]
init_block_deployment_data = {
init_block_uri: {
"Other": {
"x": "x"
},
"Escrow": init_deployment_data
},
alt_block_uri: {
"alt": {
"x": "x"
}
},
}
w3.testing.mine(1)
new_block_hash = to_hex(w3.eth.getBlock("latest")["hash"])
new_block_uri = create_block_uri(genesis_hash, new_block_hash)
escrow_package.manifest = assoc(escrow_package.manifest, "deployments",
init_block_deployment_data)
updated_manifest = insert_deployment(escrow_package, "Escrow",
new_deployment_data, new_block_uri)
expected_deployments_data = {
new_block_uri: {
"Other": {
"x": "x"
},
"Escrow": new_deployment_data
},
alt_block_uri: {
"alt": {
"x": "x"
}
},
}
assert updated_manifest["deployments"] == expected_deployments_data
def create_deployment_data(
contract_name: ContractName,
new_address: Address,
tx_receipt: TxReceipt,
link_refs: List[Dict[str, Any]] = None,
) -> Iterable[Tuple[str, Any]]:
yield "contract_type", contract_name
yield "address", new_address
yield "transaction", to_hex(tx_receipt["transactionHash"])
yield "block", to_hex(tx_receipt["blockHash"])
if link_refs:
yield "runtime_bytecode", {"link_dependencies": create_link_dep(link_refs)}
def reward_type_2_to_dict(reward_type_2: StakeRewardType2) -> Dict[str, str]:
dict_to_return = {}
dict_to_return['amount'] = to_hex(reward_type_2.amount)
dict_to_return['proof'] = []
for proof in reward_type_2.proof:
proof_dict = all_rlp_fields_to_dict_camel_case(proof)
proof_dict['sender'] = to_hex(proof.sender)
dict_to_return['proof'].append(proof_dict)
return dict_to_return
def _maybe_run_callbacks(self, latest_block: BlockData) -> None:
"""Run the callbacks if there is at least one new block.
The callbacks are executed only if there is a new block, otherwise the
filters may try to poll for an inexisting block number and the Ethereum
client can return an JSON-RPC error.
"""
latest_block_number = latest_block["number"]
# First run, set the block and run the callbacks
if self.known_block_number is None:
self.known_block_number = latest_block_number
missed_blocks = 1
else:
missed_blocks = latest_block_number - self.known_block_number
if missed_blocks < 0:
log.critical(
"Block number decreased",
chain_id=self.rpc_client.chain_id,
known_block_number=self.known_block_number,
old_block_number=latest_block["number"],
old_gas_limit=latest_block["gasLimit"],
old_block_hash=to_hex(latest_block["hash"]),
node=to_checksum_address(self.rpc_client.address),
)
elif missed_blocks > 0:
log_details = dict(
known_block_number=self.known_block_number,
latest_block_number=latest_block_number,
latest_block_hash=to_hex(latest_block["hash"]),
latest_block_gas_limit=latest_block["gasLimit"],
node=to_checksum_address(self.rpc_client.address),
)
if missed_blocks > 1:
log_details["num_missed_blocks"] = missed_blocks - 1
log.debug("Received new block", **log_details)
remove = list()
for callback in self.callbacks:
result = callback(latest_block)
if result is REMOVE_CALLBACK:
remove.append(callback)
for callback in remove:
self.callbacks.remove(callback)
self.known_block_number = latest_block_number
async def test_eth_call_with_contract_on_ipc(chain, jsonrpc_ipc_pipe_path,
simple_contract_address,
signature, gas_price, event_loop,
ipc_server, expected):
function_selector = function_signature_to_4byte_selector(signature)
transaction = {
'from': '0x' + 'ff' * 20, # unfunded address
'to': to_hex(simple_contract_address),
'gasPrice': to_hex(gas_price),
'data': to_hex(function_selector),
}
request_msg = build_request('eth_call', params=[transaction, 'latest'])
result = await get_ipc_response(jsonrpc_ipc_pipe_path, request_msg,
event_loop)
assert result == expected
def get_state_change_with_transfer_by_secrethash(
storage: SerializedSQLiteStorage,
secrethash: SecretHash) -> Optional[StateChangeRecord]:
filters = [
{
"from_transfer.lock.secrethash": to_hex(secrethash)
},
{
"transfer.lock.secrethash": to_hex(secrethash)
},
]
query = FilteredDBQuery(filters=filters,
main_operator=Operator.OR,
inner_operator=Operator.NONE)
return storage.get_latest_state_change_by_data_field(query)
def prep_chain_tx_send_data(tx):
write_data = {
"hash": to_hex(tx["hash"]),
"blockHash": to_hex(tx["blockHash"]),
"nonce": tx["nonce"],
"gasPrice": tx["gasPrice"],
"gas": tx["gas"],
"to": tx["to"],
"value": tx["value"],
"input": tx["input"],
"v": tx["v"],
"r": Web3.toInt(tx["r"]),
"s": Web3.toInt(tx["s"])
}
return write_data
def hex_encode_abi_type(abi_type: TypeStr,
value: Any,
force_size: int = None) -> HexStr:
"""
Encodes value into a hex string in format of abi_type
"""
validate_abi_type(abi_type)
validate_abi_value(abi_type, value)
data_size = force_size or size_of_type(abi_type)
if is_array_type(abi_type):
sub_type = sub_type_of_array_type(abi_type)
return HexStr("".join([
remove_0x_prefix(hex_encode_abi_type(sub_type, v, 256))
for v in value
]))
elif is_bool_type(abi_type):
return to_hex_with_size(value, data_size)
elif is_uint_type(abi_type):
return to_hex_with_size(value, data_size)
elif is_int_type(abi_type):
return to_hex_twos_compliment(value, data_size)
elif is_address_type(abi_type):
return pad_hex(value, data_size)
elif is_bytes_type(abi_type):
if is_bytes(value):
return encode_hex(value)
else:
return value
elif is_string_type(abi_type):
return to_hex(text=value)
else:
raise ValueError("Unsupported ABI type: {0}".format(abi_type))
def __init__(self, abi, address, block_height="latest"):
self.abi = abi
self.address = address
if block_height != "latest":
self.block_height = to_hex(block_height)
else:
self.block_height = block_height
def hex_encode_abi_type(abi_type, value, force_size=None):
"""
Encodes value into a hex string in format of abi_type
"""
validate_abi_type(abi_type)
validate_abi_value(abi_type, value)
data_size = force_size or size_of_type(abi_type)
if is_array_type(abi_type):
sub_type = sub_type_of_array_type(abi_type)
return "".join([remove_0x_prefix(hex_encode_abi_type(sub_type, v, 256)) for v in value])
elif is_bool_type(abi_type):
return to_hex_with_size(value, data_size)
elif is_uint_type(abi_type):
return to_hex_with_size(value, data_size)
elif is_int_type(abi_type):
return to_hex_twos_compliment(value, data_size)
elif is_address_type(abi_type):
return pad_hex(value, data_size)
elif is_bytes_type(abi_type):
if is_bytes(value):
return encode_hex(value)
else:
return value
elif is_string_type(abi_type):
return to_hex(text=value)
else:
raise ValueError(
"Unsupported ABI type: {0}".format(abi_type)
)
def build_etherscan_manifest(uri: URI, package_name: str,
version: str) -> Iterable[Tuple[str, Any]]:
address, chain_id = parse.urlparse(uri).netloc.split(":")
network = get_etherscan_network(chain_id)
body = make_etherscan_request(address, network)
contract_type = body["ContractName"]
w3 = setup_w3(to_int(text=chain_id))
block_uri = create_latest_block_uri(w3)
runtime_bytecode = to_hex(
w3.eth.getCode(ChecksumAddress(HexAddress(HexStr(address)))))
yield "package_name", package_name
yield "version", version
yield "manifest_version", "2"
yield "sources", {f"./{contract_type}.sol": body["SourceCode"]}
yield "contract_types", {
contract_type: {
"abi": json.loads(body["ABI"]),
"runtime_bytecode": {
"bytecode": runtime_bytecode
},
"compiler": generate_compiler_info(body),
}
}
yield "deployments", {
block_uri: {
contract_type: {
"contract_type": contract_type,
"address": address
}
}
}
def update_iou(
iou: IOU,
privkey: bytes,
added_amount: TokenAmount = ZERO_TOKENS,
expiration_block: Optional[BlockNumber] = None,
) -> IOU:
expected_signature = Signature(
sign_one_to_n_iou(
privatekey=to_hex(privkey),
sender=to_checksum_address(iou.sender),
receiver=to_checksum_address(iou.receiver),
amount=iou.amount,
expiration_block=iou.expiration_block,
one_to_n_address=to_checksum_address(iou.one_to_n_address),
chain_id=iou.chain_id,
))
if iou.signature != expected_signature:
raise ServiceRequestFailed(
"Last IOU as given by the Pathfinding Service is invalid (signature does not match)"
)
iou.amount = TokenAmount(iou.amount + added_amount)
if expiration_block:
iou.expiration_block = expiration_block
iou.sign(privkey)
return iou
def getstorageatindex(contractaddress, i, k, provider='http://127.0.0.1:8545'):
web3 = Web3(Web3.HTTPProvider(provider, request_kwargs={'timeout': 60}))
pos = str(remove_0x_prefix(i)).rjust(64, '0')
key = remove_0x_prefix(k).rjust(64, '0').lower()
storage_key = to_hex(web3.sha3(hexstr=key + pos))
return storage_key, to_int(
web3.eth.getStorageAt(contractaddress, storage_key))
def getstoragepos(i, k):
#pos = str(i).rjust(64, '0')
pos = getstoragekey(i, k)
#print(pos)
key = str(remove_0x_prefix(pos)).rjust(64, '0').lower()
storage_key = to_hex(Web3auto.sha3(hexstr=key))
return storage_key
def create_account_console(logger: Logger, network: str):
"""Creates an Ethereum account and echoes the details to console."""
acc = Account.create()
private_key = to_hex(acc.privateKey)
if private_key.startswith("0x"):
# Looks like this behaves differently in different versions,
# we assume no 0x prefix for private key to distinguish it from addresses
# and hashes
private_key = private_key[2:]
logger.info("Account address: %s", acc.address)
logger.info("Account private key: %s", private_key)
config = CONFIG_FILE_TEMPLATE.format(private_key=private_key,
network=network,
address=acc.address)
config_file_name = "myconfig.ini"
print()
print("Create a file {}{}{} and paste in the following content: {}{}{}".
format(colorama.Fore.LIGHTBLUE_EX, config_file_name,
colorama.Fore.RESET, colorama.Fore.LIGHTBLACK_EX, config,
colorama.Fore.RESET))
print()
print("After this you can run {}sto --config-file={} diagnose{}".format(
colorama.Fore.LIGHTBLUE_EX, config_file_name, colorama.Fore.RESET))
def _maybe_run_callbacks(self, latest_block):
""" Run the callbacks if there is at least one new block.
The callbacks are executed only if there is a new block, otherwise the
filters may try to poll for an inexisting block number and the Ethereum
client can return an JSON-RPC error.
"""
assert self.known_block_number is not None, 'known_block_number not set'
latest_block_number = latest_block['number']
missed_blocks = latest_block_number - self.known_block_number
if missed_blocks < 0:
log.critical(
'Block number decreased',
chain_id=self.chain_id,
known_block_number=self.known_block_number,
old_block_number=latest_block['number'],
old_gas_limit=latest_block['gasLimit'],
old_block_hash=to_hex(latest_block['hash']),
)
elif missed_blocks > 0:
log_details = dict(
known_block_number=self.known_block_number,
latest_block_number=latest_block_number,
latest_block_hash=to_hex(latest_block['hash']),
latest_block_gas_limit=latest_block['gasLimit'],
)
if missed_blocks > 1:
log_details['num_missed_blocks'] = missed_blocks - 1
log.debug(
'Received new block',
**log_details,
)
remove = list()
for callback in self.callbacks:
result = callback(latest_block)
if result is REMOVE_CALLBACK:
remove.append(callback)
for callback in remove:
self.callbacks.remove(callback)
self.known_block_number = latest_block_number
def to_bytes(primitive=None, hexstr=None, text=None):
assert_one_val(primitive, hexstr=hexstr, text=text)
if is_boolean(primitive):
return b'\x01' if primitive else b'\x00'
elif isinstance(primitive, bytes):
return primitive
elif is_integer(primitive):
return to_bytes(hexstr=to_hex(primitive))
elif hexstr is not None:
if len(hexstr) % 2:
hexstr = '0x0' + remove_0x_prefix(hexstr)
return decode_hex(hexstr)
elif text is not None:
return text.encode('utf-8')
raise TypeError("expected an int in first arg, or keyword of hexstr or text")
def first_run(self, known_block_number):
""" Blocking call to update the local state, if necessary. """
assert self.callbacks, 'callbacks not set'
chain_id = self.chain.network_id
latest_block = self.chain.get_block(block_identifier='latest')
log.debug(
'Alarm task first run',
known_block_number=known_block_number,
latest_block_number=latest_block['number'],
latest_gas_limit=latest_block['gasLimit'],
latest_block_hash=to_hex(latest_block['hash']),
)
self.known_block_number = known_block_number
self.chain_id = chain_id
self._maybe_run_callbacks(latest_block)
def topics(self):
arg_topics = tuple(arg.match_values for arg in self.indexed_args)
return normalize_topic_list(cons(to_hex(self.event_topic), arg_topics))
def _encode(self, value):
if is_dynamic_sized_type(self.arg_type):
return to_hex(keccak(encode_single_packed(self.arg_type, value)))
else:
return to_hex(encode_single(self.arg_type, value))
def handle_contract_send_channelsettle(
self,
raiden: RaidenService,
channel_settle_event: ContractSendChannelSettle,
):
chain_id = raiden.chain.network_id
token_network_identifier = channel_settle_event.token_network_identifier
channel_identifier = channel_settle_event.channel_identifier
payment_channel: PaymentChannel = raiden.chain.payment_channel(
token_network_address=channel_settle_event.token_network_identifier,
channel_id=channel_settle_event.channel_identifier,
)
token_network_proxy: TokenNetwork = payment_channel.token_network
participants_details = token_network_proxy.detail_participants(
participant1=payment_channel.participant1,
participant2=payment_channel.participant2,
channel_identifier=channel_settle_event.channel_identifier,
)
our_details = participants_details.our_details
partner_details = participants_details.partner_details
log_details = {
'chain_id': chain_id,
'token_network_identifier': token_network_identifier,
'channel_identifier': channel_identifier,
'node': pex(raiden.address),
'partner': to_checksum_address(partner_details.address),
'our_deposit': our_details.deposit,
'our_withdrawn': our_details.withdrawn,
'our_is_closer': our_details.is_closer,
'our_balance_hash': to_hex(our_details.balance_hash),
'our_nonce': our_details.nonce,
'our_locksroot': to_hex(our_details.locksroot),
'our_locked_amount': our_details.locked_amount,
'partner_deposit': partner_details.deposit,
'partner_withdrawn': partner_details.withdrawn,
'partner_is_closer': partner_details.is_closer,
'partner_balance_hash': to_hex(partner_details.balance_hash),
'partner_nonce': partner_details.nonce,
'partner_locksroot': to_hex(partner_details.locksroot),
'partner_locked_amount': partner_details.locked_amount,
}
if our_details.balance_hash != EMPTY_HASH:
event_record = get_event_with_balance_proof_by_balance_hash(
storage=raiden.wal.storage,
chain_id=chain_id,
token_network_identifier=token_network_identifier,
channel_identifier=channel_identifier,
balance_hash=our_details.balance_hash,
)
if event_record.data is None:
log.critical(
'our balance proof not found',
**log_details,
)
raise RaidenUnrecoverableError(
'Our balance proof could not be found in the database',
)
our_balance_proof = event_record.data.balance_proof
our_transferred_amount = our_balance_proof.transferred_amount
our_locked_amount = our_balance_proof.locked_amount
our_locksroot = our_balance_proof.locksroot
else:
our_transferred_amount = 0
our_locked_amount = 0
our_locksroot = EMPTY_HASH
if partner_details.balance_hash != EMPTY_HASH:
state_change_record = get_state_change_with_balance_proof_by_balance_hash(
storage=raiden.wal.storage,
chain_id=chain_id,
token_network_identifier=token_network_identifier,
channel_identifier=channel_identifier,
balance_hash=partner_details.balance_hash,
sender=participants_details.partner_details.address,
)
if state_change_record.data is None:
log.critical(
'partner balance proof not found',
**log_details,
)
raise RaidenUnrecoverableError(
'Partner balance proof could not be found in the database',
)
partner_balance_proof = state_change_record.data.balance_proof
partner_transferred_amount = partner_balance_proof.transferred_amount
partner_locked_amount = partner_balance_proof.locked_amount
partner_locksroot = partner_balance_proof.locksroot
else:
partner_transferred_amount = 0
partner_locked_amount = 0
partner_locksroot = EMPTY_HASH
payment_channel.settle(
our_transferred_amount,
our_locked_amount,
our_locksroot,
partner_transferred_amount,
partner_locked_amount,
partner_locksroot,
)
from eth_utils import denoms, to_hex
from raiden.constants import Environment
INITIAL_PORT = 38647
CACHE_TTL = 60
GAS_LIMIT = 10 * 10**6
GAS_LIMIT_HEX = to_hex(GAS_LIMIT)
GAS_PRICE = denoms.shannon * 20 # pylint: disable=no-member
DEFAULT_TRANSPORT_RETRIES_BEFORE_BACKOFF = 5
DEFAULT_TRANSPORT_THROTTLE_CAPACITY = 10.
DEFAULT_TRANSPORT_THROTTLE_FILL_RATE = 10.
DEFAULT_TRANSPORT_UDP_RETRY_INTERVAL = 1.
# matrix gets spammed with the default retry-interval of 1s, wait a little more
DEFAULT_TRANSPORT_MATRIX_RETRY_INTERVAL = 5.
DEFAULT_MATRIX_KNOWN_SERVERS = {
Environment.PRODUCTION: (
"https://raw.githubusercontent.com/raiden-network/raiden-transport"
"/master/known_servers.main.yaml"
),
Environment.DEVELOPMENT: (
"https://raw.githubusercontent.com/raiden-network/raiden-transport"
"/master/known_servers.test.yaml"
),
}
DEFAULT_REVEAL_TIMEOUT = 50
DEFAULT_SETTLE_TIMEOUT = 500
DEFAULT_RETRY_TIMEOUT = 0.5
def to_hex_with_size(value, bit_size):
"""
Converts a value to hex with given bit_size:
"""
return pad_hex(to_hex(value), bit_size)
