def test_rejects_invalid_signature(chain,
web3,
token_v2,
token_v1_owner,
token_id,
get_mint_data,
eth_sign):
assert token_v2.call().balanceOf(token_v1_owner) == 1
assert token_v2.call().upgradeCount() == 0
assert token_v2.call().isTokenUpgraded(token_id) is False
new_owner = web3.eth.accounts[3]
signature_data = b''.join((
decode_hex(token_v2.address),
decode_hex(token_v1_owner),
decode_hex(new_owner),
))
signature = eth_sign(web3.eth.coinbase, signature_data)
upgrade_txn_hash = token_v2.transact({
'from': web3.eth.coinbase,
}).proxyUpgrade(token_v1_owner, new_owner, signature)
chain.wait.for_receipt(upgrade_txn_hash)
with pytest.raises(AssertionError):
get_mint_data(upgrade_txn_hash)
assert token_v2.call().upgradeCount() == 0
assert token_v2.call().isTokenUpgraded(token_id) is False
def test_rejects_already_upgraded_token(chain,
web3,
token_v2,
token_v1_owner,
upgraded_token,
get_mint_data,
eth_sign):
new_owner = web3.eth.accounts[3]
assert token_v2.call().balanceOf(token_v1_owner) == 1
assert token_v2.call().isTokenUpgraded(upgraded_token) is True
assert token_v2.call().isTokenOwner(new_owner) is False
signature_data = b''.join((
decode_hex(token_v2.address),
decode_hex(token_v1_owner),
decode_hex(new_owner),
))
signature = eth_sign(token_v1_owner, signature_data)
upgrade_txn_hash = token_v2.transact({
'from': web3.eth.coinbase,
}).proxyUpgrade(token_v1_owner, new_owner, signature)
chain.wait.for_receipt(upgrade_txn_hash)
with pytest.raises(AssertionError):
get_mint_data(upgrade_txn_hash)
assert token_v2.call().isTokenOwner(new_owner) is False
def test_proxy_upgrade_same_owner(chain,
web3,
token_v2,
token_v1_owner,
token_id,
get_mint_data,
eth_sign):
assert token_v2.call().balanceOf(token_v1_owner) == 1
assert token_v2.call().upgradeCount() == 0
assert token_v2.call().isTokenUpgraded(token_id) is False
signature_data = b''.join((
decode_hex(token_v2.address),
decode_hex(token_v1_owner),
decode_hex(token_v1_owner),
))
signature = eth_sign(token_v1_owner, signature_data)
upgrade_txn_hash = token_v2.transact({
'from': web3.eth.coinbase,
}).proxyUpgrade(token_v1_owner, token_v1_owner, signature)
chain.wait.for_receipt(upgrade_txn_hash)
mint_data = get_mint_data(upgrade_txn_hash)
assert token_v2.call().upgradeCount() == 1
assert token_v2.call().isTokenUpgraded(token_id) is True
assert mint_data['args']['_owner'] == token_v1_owner
assert mint_data['args']['_tokenID'] == token_id
assert mint_data['address'] == token_v2.address
def test_rejects_if_new_owner_is_null_address(chain,
web3,
token_v2,
token_v1_owner,
token_id,
other_token_v1_owner,
get_mint_data,
NULL_ADDRESS,
eth_sign):
assert token_v2.call().isTokenUpgraded(token_id) is False
signature_data = b''.join((
decode_hex(token_v2.address),
decode_hex(token_v1_owner),
decode_hex(NULL_ADDRESS),
))
signature = eth_sign(token_v1_owner, signature_data)
upgrade_txn_hash = token_v2.transact({
'from': web3.eth.coinbase,
}).proxyUpgrade(token_v1_owner, other_token_v1_owner, signature)
chain.wait.for_receipt(upgrade_txn_hash)
with pytest.raises(AssertionError):
get_mint_data(upgrade_txn_hash)
assert token_v2.call().isTokenUpgraded(token_id) is False
def test_miner_setExtra(web3_empty, wait_for_block):
web3 = web3_empty
initial_extra = decode_hex(
web3.eth.getBlock(web3.eth.blockNumber)['extraData'])
new_extra_data = b'-this-is-32-bytes-of-extra-data-'
# sanity
assert initial_extra != new_extra_data
web3.miner.setExtra(new_extra_data)
with gevent.Timeout(60):
while True:
extra_data = decode_hex(
web3.eth.getBlock(web3.eth.blockNumber)['extraData'])
if extra_data == new_extra_data:
break
gevent.sleep(random.random())
after_extra = decode_hex(
web3.eth.getBlock(web3.eth.blockNumber)['extraData'])
assert after_extra == new_extra_data
def test_txn_request_for_txn_that_throw_exception(chain, web3,
get_execute_data,
RequestData,
error_generator):
txn_request = RequestData(createdBy=error_generator.address,
donation=12345,
toAddress=error_generator.address,
callData=decode_hex(
error_generator._encode_transaction_data(
'doThrow'))).direct_deploy()
request_data = RequestData.from_contract(txn_request)
chain.wait.for_block(request_data.schedule.windowStart)
execute_txn_hash = txn_request.transact({
'from': web3.eth.accounts[1],
'gas': 3000000,
}).execute()
execute_txn_receipt = chain.wait.for_receipt(execute_txn_hash)
execute_data = get_execute_data(execute_txn_hash)
request_data = RequestData.from_contract(txn_request)
assert request_data.meta.wasCalled is True
assert request_data.meta.wasSuccessful is False
gas_used = execute_txn_receipt['gasUsed']
measured_gas_consumption = execute_data['args']['measuredGasConsumption']
assert measured_gas_consumption > gas_used
assert measured_gas_consumption - gas_used < 120000
def request_blocking(self, method, params):
if method == 'eth_sendTransaction':
base_transaction = params[0]
# create a fully signed transaction and send through the
# `eth_sendRawTransaction` endpoint instead.
full_transaction = self.construct_full_transaction(base_transaction)
raw_transaction_bytes = self.sign_and_serialize_transaction(
full_transaction,
)
raw_transaction_bytes_as_hex = encode_hex(raw_transaction_bytes)
return self.request_blocking(
'eth_sendRawTransaction', [raw_transaction_bytes_as_hex],
)
result = super(BaseSendRawTransactionMixin, self).request_blocking(
method, params,
)
if method in self.TXN_SENDING_METHODS:
if method == 'eth_sendRawTransaction':
txn = rlp.decode(decode_hex(params[0]), Transaction)
self._known_transactions[to_address(txn.sender)].add(result)
self._known_nonces[to_address(txn.sender)].add(txn.nonce)
else:
txn = params[0]
self._known_transactions[to_address(txn['from'])].add(result)
if 'nonce' in txn:
self._known_nonces[to_address(txn['from'])].add(
to_decimal(txn['nonce'])
)
return result
def request_blocking(self, method, params):
if method == 'eth_sendTransaction':
base_transaction = params[0]
# create a fully signed transaction and send through the
# `eth_sendRawTransaction` endpoint instead.
full_transaction = self.construct_full_transaction(base_transaction)
raw_transaction_bytes = self.sign_and_serialize_transaction(
full_transaction,
)
raw_transaction_bytes_as_hex = encode_hex(raw_transaction_bytes)
return self.request_blocking(
'eth_sendRawTransaction', [raw_transaction_bytes_as_hex],
)
result = super(BaseSendRawTransactionMixin, self).request_blocking(
method, params,
)
if method in self.TXN_SENDING_METHODS:
if method == 'eth_sendRawTransaction':
txn = rlp.decode(decode_hex(params[0]), Transaction)
self._known_transactions[to_address(txn.sender)].add(result)
self._known_nonces[to_address(txn.sender)].add(txn.nonce)
else:
txn = params[0]
self._known_transactions[to_address(txn['from'])].add(result)
if 'nonce' in txn:
self._known_nonces[to_address(txn['from'])].add(
to_decimal(txn['nonce'])
)
return result
def test_proxy_execution_accepted_at_minimum_gas(chain, RequestData, proxy,
txn_recorder, request_lib,
execution_lib,
get_execute_data,
get_abort_data, AbortReasons):
txn_request = RequestData(
toAddress=txn_recorder.address,
callGas=100000,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
assert txn_recorder.call().wasCalled() is False
chain.wait.for_block(request_data.schedule.windowStart)
minimum_call_gas = (request_data.txnData.callGas +
request_lib.call().EXECUTION_GAS_OVERHEAD() +
execution_lib.call().GAS_PER_DEPTH() *
request_data.txnData.requiredStackDepth)
call_data_hex = txn_request._encode_transaction_data('execute')
execute_txn_hash = proxy.transact({
'gas': 3000000
}).__proxy(
to=txn_request.address,
callData=decode_hex(call_data_hex),
callGas=minimum_call_gas,
)
chain.wait.for_receipt(execute_txn_hash)
request_data.refresh()
assert get_execute_data(execute_txn_hash)
assert txn_recorder.call().wasCalled() is True
assert request_data.meta.wasCalled is True
def test_dynamic_length_argument_extraction(web3, emitter,
wait_for_transaction,
emitter_log_topics,
emitter_event_ids):
string_0 = "this-is-the-first-string-which-exceeds-32-bytes-in-length"
string_1 = "this-is-the-second-string-which-exceeds-32-bytes-in-length"
txn_hash = emitter.transact().logDynamicArgs(string_0, string_1)
txn_receipt = wait_for_transaction(web3, txn_hash)
assert len(txn_receipt['logs']) == 1
log_entry = txn_receipt['logs'][0]
event_abi = emitter._find_matching_event_abi('LogDynamicArgs')
event_topic = emitter_log_topics.LogDynamicArgs
assert event_topic in log_entry['topics']
string_0_topic = web3.sha3(string_0, encoding='utf8')
assert string_0_topic in log_entry['topics']
event_data = get_event_data(event_abi, log_entry)
expected_args = {
"arg0": force_text(decode_hex(string_0_topic)),
"arg1": string_1,
}
assert event_data['args'] == expected_args
assert event_data['blockHash'] == txn_receipt['blockHash']
assert event_data['blockNumber'] == txn_receipt['blockNumber']
assert event_data['transactionIndex'] == txn_receipt['transactionIndex']
assert event_data['address'] == emitter.address
assert event_data['event'] == 'LogDynamicArgs'
def test_adding_signature_to_transaction(wait_for_first_block, web3,
skip_if_testrpc):
skip_if_testrpc(web3)
transaction = {
'nonce': hex(0),
'to': '0xd3cda913deb6f67967b99d67acdfa1712c293601',
'value': hex(12345),
'gas': hex(1200300),
'gasPrice': hex(54321),
'data': '0x1234567890abcdef',
}
serialized_txn = serialize_transaction(transaction)
signature_hex = web3.eth.sign(web3.eth.coinbase, serialized_txn)
signed_transaction = add_signature_to_transaction(
serialized_txn,
decode_hex(signature_hex),
)
assert to_address(signed_transaction.to) == transaction['to']
assert signed_transaction.startgas == int(transaction['gas'], 16)
assert signed_transaction.gasprice == int(transaction['gasPrice'], 16)
assert signed_transaction.nonce == int(transaction['nonce'], 16)
assert signed_transaction.value == int(transaction['value'], 16)
assert encode_hex(signed_transaction.data) == transaction['data']
assert signed_transaction.sender == web3.eth.coinbase
def test_adding_signature_to_transaction(wait_for_first_block,
web3,
skip_if_testrpc):
skip_if_testrpc(web3)
transaction = {
'nonce': hex(0),
'to': '0xd3cda913deb6f67967b99d67acdfa1712c293601',
'value': hex(12345),
'gas': hex(1200300),
'gasPrice': hex(54321),
'data': '0x1234567890abcdef',
}
serialized_txn = serialize_transaction(transaction)
signature_hex = web3.eth.sign(web3.eth.coinbase, serialized_txn)
signed_transaction = add_signature_to_transaction(
serialized_txn,
decode_hex(signature_hex),
)
assert to_address(signed_transaction.to) == transaction['to']
assert signed_transaction.startgas == int(transaction['gas'], 16)
assert signed_transaction.gasprice == int(transaction['gasPrice'], 16)
assert signed_transaction.nonce == int(transaction['nonce'], 16)
assert signed_transaction.value == int(transaction['value'], 16)
assert encode_hex(signed_transaction.data) == transaction['data']
assert signed_transaction.sender == web3.eth.coinbase
def test_txn_request_for_txn_that_throw_exception(chain,
web3,
get_execute_data,
RequestData,
error_generator):
txn_request = RequestData(
createdBy=error_generator.address,
donation=12345,
toAddress=error_generator.address,
callData=decode_hex(error_generator._encode_transaction_data('doThrow'))
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
chain.wait.for_block(request_data.schedule.windowStart)
execute_txn_hash = txn_request.transact({
'from': web3.eth.accounts[1],
'gas': 3000000,
}).execute()
execute_txn_receipt = chain.wait.for_receipt(execute_txn_hash)
execute_data = get_execute_data(execute_txn_hash)
request_data = RequestData.from_contract(txn_request)
assert request_data.meta.wasCalled is True
assert request_data.meta.wasSuccessful is False
gas_used = execute_txn_receipt['gasUsed']
measured_gas_consumption = execute_data['args']['measuredGasConsumption']
assert measured_gas_consumption > gas_used
assert measured_gas_consumption - gas_used < 120000
def test_private_key_signing_manager(web3_pk_signer, account_private_key,
account_public_key, wait_for_transaction):
web3 = web3_pk_signer
assert account_public_key not in web3_pk_signer.eth.accounts
with pytest.raises(ValueError):
web3.eth.sendTransaction({
'from': account_public_key,
'to': web3.eth.coinbase,
'value': 1,
})
from ethereum import tester
tester.keys.append(account_private_key)
tester.accounts.append(decode_hex(account_public_key))
txn_hash = web3.eth.sendTransaction({
'from': account_public_key,
'to': web3.eth.coinbase,
'value': 1,
})
txn_receipt = wait_for_transaction(web3, txn_hash)
txn = web3.eth.getTransaction(txn_hash)
assert txn['from'] == account_public_key
def extract_ecdsa_signer(msg_hash, signature):
msg_hash_bytes = decode_hex(msg_hash) if msg_hash.startswith(b'0x') else msg_hash
signature_bytes = decode_hex(signature) if signature.startswith(b'0x') else signature
pk = PublicKey(flags=ALL_FLAGS)
rec_id = signature_bytes[64]
if is_string(rec_id):
rec_id = ord(rec_id)
pk.public_key = pk.ecdsa_recover(
msg_hash_bytes,
pk.ecdsa_recoverable_deserialize(
signature_bytes[:64], rec_id,
),
raw=True,
)
pk_serialized = pk.serialize(compressed=False)
address = add_0x_prefix(sha3(encode_pubkey(pk_serialized, 'bin')[1:])[-40:])
return address
def extract_ecdsa_signer(msg_hash, signature):
msg_hash_bytes = decode_hex(msg_hash) if msg_hash.startswith(b'0x') else msg_hash
signature_bytes = decode_hex(signature) if signature.startswith(b'0x') else signature
pk = PublicKey(flags=ALL_FLAGS)
rec_id = signature_bytes[64]
if is_string(rec_id):
rec_id = ord(rec_id)
pk.public_key = pk.ecdsa_recover(
msg_hash_bytes,
pk.ecdsa_recoverable_deserialize(
signature_bytes[:64], rec_id,
),
raw=True,
)
pk_serialized = pk.serialize(compressed=False)
address = add_0x_prefix(sha3(encode_pubkey(pk_serialized, 'bin')[1:])[-40:])
return address
def unknown_token_id(token_v1, web3):
token = token_v1
unknown_token_id = decode_hex(web3.sha3(encode_hex('Hudson James')))
assert unknown_token_id == sha3_256(b'Hudson James').digest()
assert token.call().identityOf(unknown_token_id) == ''
assert token.call().ownerOf(
unknown_token_id) == '0x0000000000000000000000000000000000000000'
return unknown_token_id
def test_miner_setExtra(web3_empty, wait_for_block):
web3 = web3_empty
initial_extra = decode_hex(web3.eth.getBlock(web3.eth.blockNumber)['extraData'])
new_extra_data = b'-this-is-32-bytes-of-extra-data-'
# sanity
assert initial_extra != new_extra_data
web3.miner.setExtra(new_extra_data)
with gevent.Timeout(60):
while True:
extra_data = decode_hex(web3.eth.getBlock(web3.eth.blockNumber)['extraData'])
if extra_data == new_extra_data:
break
gevent.sleep(random.random())
after_extra = decode_hex(web3.eth.getBlock(web3.eth.blockNumber)['extraData'])
assert after_extra == new_extra_data
def set_can_call(chain, authority, caller_address, code_address, can_call,
function_signature):
sig_as_hex = function_signature_to_4byte_selector(function_signature)
sig_as_bytes = decode_hex(sig_as_hex)
can_already_call = authority.call().canCall(
callerAddress=caller_address,
codeAddress=code_address,
sig=sig_as_bytes,
)
if can_already_call:
click.echo(
"Permissions already set for: {0}".format(function_signature))
return
click.echo("Setting up permissions for:\n"
"- function: {0}\n"
"- sig: {1}\n"
"- caller_address: {2}\n"
"- code_address: {3}\n"
"- can_call: {4}".format(
function_signature,
sig_as_hex,
caller_address,
code_address,
("Yes" if can_call else "No"),
))
click.echo("Sending authorization transaction... ", nl=False)
authorize_txn_hash = authority.transact().setCanCall(
callerAddress=caller_address,
codeAddress=code_address,
sig=sig_as_bytes,
can=can_call,
)
click.echo("SENT")
click.echo("Authorize Transaction Hash: {0}".format(authorize_txn_hash))
click.echo("Waiting for transaction to be mined... ", nl=False)
chain.wait.for_receipt(authorize_txn_hash, timeout=600)
click.echo("MINED")
check_can_call = authority.call().canCall(
callerAddress=caller_address,
codeAddress=code_address,
sig=sig_as_bytes,
)
if check_can_call is not can_call:
click.echo("Something went wrong. Authorization did not go though")
import pdb
pdb.set_trace()
raise ValueError("Failed to set authorization")
return
def test_txn_request_when_everything_throws(chain,
web3,
get_execute_data,
RequestData,
error_generator):
txn_request = RequestData(
createdBy=error_generator.address,
owner=error_generator.address,
donationBenefactor=error_generator.address,
toAddress=error_generator.address,
callData=decode_hex(error_generator._encode_transaction_data('doThrow'))
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
chain.wait.for_block(request_data.schedule.windowStart)
proxy_call_data = decode_hex(txn_request._encode_transaction_data('execute'))
execute_txn_hash = error_generator.transact({
'from': web3.eth.accounts[1],
'gas': 3000000,
}).__proxy(
to=txn_request.address,
callData=proxy_call_data,
)
execute_txn_receipt = chain.wait.for_receipt(execute_txn_hash)
execute_data = get_execute_data(execute_txn_hash)
request_data = RequestData.from_contract(txn_request)
assert request_data.meta.wasCalled is True
assert request_data.meta.wasSuccessful is False
gas_used = execute_txn_receipt['gasUsed']
measured_gas_consumption = execute_data['args']['measuredGasConsumption']
assert measured_gas_consumption > gas_used
assert measured_gas_consumption - gas_used < 50000
def get_transaction_signature(self, transaction):
serialized_txn = serialize_transaction(transaction)
hash_to_sign = self.signing_manager.request_blocking(
'web3_sha3', [encode_hex(serialized_txn)],
)
signature_hex = self.signing_manager.request_blocking(
'eth_sign',
[
transaction['from'],
hash_to_sign,
],
)
signature = decode_hex(signature_hex)
return signature
def _set_timestamp(timestamp):
evm.block.finalize()
evm.block.commit_state()
evm.db.put(evm.block.hash, rlp.encode(evm.block))
block = blocks.Block.init_from_parent(
evm.block,
decode_hex(web3.eth.coinbase),
timestamp=timestamp,
)
evm.block = block
evm.blocks.append(evm.block)
return timestamp
def _set_timestamp(timestamp):
evm.block.finalize()
evm.block.commit_state()
evm.db.put(evm.block.hash, rlp.encode(evm.block))
block = blocks.Block.init_from_parent(
evm.block,
decode_hex(web3.eth.coinbase),
timestamp=timestamp,
)
evm.block = block
evm.blocks.append(evm.block)
return timestamp
def get_transaction_signature(self, transaction):
serialized_txn = serialize_transaction(transaction)
hash_to_sign = self.signing_manager.request_blocking(
'web3_sha3', [encode_hex(serialized_txn)],
)
signature_hex = self.signing_manager.request_blocking(
'eth_sign',
[
transaction['from'],
hash_to_sign,
],
)
signature = decode_hex(signature_hex)
return signature
def test_txn_request_when_everything_throws(chain, web3, get_execute_data,
RequestData, error_generator):
txn_request = RequestData(createdBy=error_generator.address,
owner=error_generator.address,
donationBenefactor=error_generator.address,
toAddress=error_generator.address,
callData=decode_hex(
error_generator._encode_transaction_data(
'doThrow'))).direct_deploy()
request_data = RequestData.from_contract(txn_request)
chain.wait.for_block(request_data.schedule.windowStart)
proxy_call_data = decode_hex(
txn_request._encode_transaction_data('execute'))
execute_txn_hash = error_generator.transact({
'from': web3.eth.accounts[1],
'gas': 3000000,
}).__proxy(
to=txn_request.address,
callData=proxy_call_data,
)
execute_txn_receipt = chain.wait.for_receipt(execute_txn_hash)
execute_data = get_execute_data(execute_txn_hash)
request_data = RequestData.from_contract(txn_request)
assert request_data.meta.wasCalled is True
assert request_data.meta.wasSuccessful is False
gas_used = execute_txn_receipt['gasUsed']
measured_gas_consumption = execute_data['args']['measuredGasConsumption']
assert measured_gas_consumption > gas_used
assert measured_gas_consumption - gas_used < 50000
def _inner_sign(account, data_to_sign):
signature_hash_hex = web3.sha3(encode_hex(data_to_sign))
signature_hash_bytes = decode_hex(signature_hash_hex)
private_key = tester.keys[tester.accounts.index(decode_hex(account))]
priv_key = PrivateKey(flags=ALL_FLAGS)
priv_key.set_raw_privkey(private_key)
signature_raw = priv_key.ecdsa_sign_recoverable(
signature_hash_bytes,
raw=True,
digest=sha3_256,
)
signature_bytes, rec_id = priv_key.ecdsa_recoverable_serialize(signature_raw)
signature = signature_bytes + force_bytes(chr(rec_id))
# Sanity check that the signature is valid.
signer_address = force_text(extract_ecdsa_signer(
signature_hash_bytes,
signature,
))
assert signer_address == account
return signature
def sign_and_serialize_transaction(self, transaction):
txn_from = to_address(transaction['from'])
if txn_from not in self.keys:
raise KeyError("No signing key registered for from address: {0}".format(txn_from))
transaction = Transaction(
nonce=to_decimal(transaction['nonce']),
gasprice=to_decimal(transaction['gasPrice']),
startgas=to_decimal(transaction['gas']),
to=transaction['to'],
value=to_decimal(transaction['value']),
data=decode_hex(transaction['data']),
)
transaction.sign(self.keys[txn_from])
assert to_address(transaction.sender) == txn_from
return rlp.encode(transaction, Transaction)
def sign_and_serialize_transaction(self, transaction):
txn_from = to_address(transaction['from'])
if txn_from not in self.keys:
raise KeyError("No signing key registered for from address: {0}".format(txn_from))
transaction = Transaction(
nonce=to_decimal(transaction['nonce']),
gasprice=to_decimal(transaction['gasPrice']),
startgas=to_decimal(transaction['gas']),
to=transaction['to'],
value=to_decimal(transaction['value']),
data=decode_hex(transaction['data']),
)
transaction.sign(self.keys[txn_from])
assert to_address(transaction.sender) == txn_from
return rlp.encode(transaction, Transaction)
def _whitelist_call(code_address, function_signature, can_call):
sig = decode_hex(
function_signature_to_4byte_selector(function_signature))
chain.wait.for_receipt(
authority.transact({
'from': authority.call().owner(),
}).setAnyoneCanCall(
codeAddress=code_address,
sig=sig,
can=can_call,
))
assert authority.call().canCall(
'0x0000000000000000000000000000000000000000',
codeAddress=code_address,
sig=sig,
) is can_call
def outputPostFormatter(post):
"""
Formats the output of a received post message
"""
post["expiry"] = to_decimal(post["expiry"])
post["sent"] = to_decimal(post["sent"])
post["ttl"] = to_decimal(post["ttl"])
post["workProved"] = to_decimal(post["workProved"])
if not post.get("topics"):
post["topics"] = []
post["topics"] = [decode_hex(topic) for topic in post["topics"]]
return post
def outputPostFormatter(post):
"""
Formats the output of a received post message
"""
post["expiry"] = to_decimal(post["expiry"])
post["sent"] = to_decimal(post["sent"])
post["ttl"] = to_decimal(post["ttl"])
post["workProved"] = to_decimal(post["workProved"])
if not post.get("topics"):
post["topics"] = []
post["topics"] = [decode_hex(topic) for topic in post["topics"]]
return post
def _authorize_call(caller_address, code_address, function_signature,
can_call):
sig = decode_hex(
function_signature_to_4byte_selector(function_signature))
chain.wait.for_receipt(
authority.transact({
'from': authority.call().authority(),
}).setCanCall(
callerAddress=caller_address,
codeAddress=code_address,
sig=sig,
can=can_call,
))
assert authority.call().canCall(
callerAddress=caller_address,
codeAddress=code_address,
sig=sig,
) is can_call
def test_proxy_execution_rejected_for_insufficient_gas(chain,
RequestData,
proxy,
txn_recorder,
request_lib,
execution_lib,
get_execute_data,
get_abort_data,
AbortReasons):
txn_request = RequestData(
toAddress=txn_recorder.address,
callGas=100000,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
assert txn_recorder.call().wasCalled() is False
chain.wait.for_block(request_data.schedule.windowStart)
minimum_call_gas = (
request_data.txnData.callGas +
request_lib.call().EXECUTION_GAS_OVERHEAD() +
execution_lib.call().GAS_PER_DEPTH() * request_data.txnData.requiredStackDepth
)
too_low_call_gas = minimum_call_gas - request_lib.call().PRE_EXECUTION_GAS()
call_data_hex = txn_request._encode_transaction_data('execute')
execute_txn_hash = proxy.transact({'gas': 3000000}).__proxy(
to=txn_request.address,
callData=decode_hex(call_data_hex),
callGas=too_low_call_gas,
)
chain.wait.for_receipt(execute_txn_hash)
assert txn_recorder.call().wasCalled() is False
assert request_data.meta.wasCalled is False
with pytest.raises(AssertionError):
get_execute_data(execute_txn_hash)
abort_data = get_abort_data(execute_txn_hash)
reasons = {entry['args']['reason'] for entry in abort_data}
assert AbortReasons.InsufficientGas in reasons
def generate_registrar_value_setters(receipt, prefix=None):
if prefix is None:
prefix = []
if is_string(prefix):
prefix = [prefix]
if isinstance(receipt, RegistrarValue):
raise ValueError("Receipt should not be instantiated at this point")
elif is_hex_address(receipt):
# Special case for addresses
return [
Address.defer(key='/'.join(prefix), value=receipt)
]
elif is_hex_transaction_hash(receipt):
# Special case for transaction hashes and addresses.
return [
Bytes32.defer(key='/'.join(prefix), value=decode_hex(receipt))
]
elif isinstance(receipt, type) and issubclass(receipt, RegistrarValue):
return [
receipt.defer(
key=receipt.key or '/'.join(prefix),
value_type=receipt.value_type,
value=receipt.value,
)
]
elif isinstance(receipt, dict):
return list(itertools.chain.from_iterable([
generate_registrar_value_setters(value, prefix + [key])
for key, value in receipt.items()
]))
elif isinstance(receipt, (list, tuple)):
return list(itertools.chain.from_iterable([
generate_registrar_value_setters(value, prefix + [str(index)])
for index, value in enumerate(receipt)
]))
else:
raise ValueError(
"Invalid type. Must be one of transaction hash, address, "
"ReceiptValue, dict, or list"
)
def test_execution_rejected_if_stack_too_deep(chain,
web3,
RequestData,
txn_recorder,
digger_proxy,
get_execute_data,
get_abort_data,
AbortReasons):
txn_request = RequestData(
toAddress=txn_recorder.address,
requiredStackDepth=1000,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
assert txn_recorder.call().wasCalled() is False
assert request_data.meta.wasCalled is False
assert request_data.txnData.requiredStackDepth == 1000
chain.wait.for_block(request_data.schedule.windowStart)
execute_call_data = decode_hex(txn_request._encode_transaction_data('execute'))
execute_txn_hash = digger_proxy.transact({'gas': 3000000}).__dig_then_proxy(
24,
txn_request.address,
execute_call_data,
)
chain.wait.for_receipt(execute_txn_hash)
request_data.refresh()
assert digger_proxy.call().result() is True
assert txn_recorder.call().wasCalled() is False
assert request_data.meta.wasCalled is False
with pytest.raises(AssertionError):
get_execute_data(execute_txn_hash)
abort_data = get_abort_data(execute_txn_hash)
reasons = {entry['args']['reason'] for entry in abort_data}
assert AbortReasons.StackTooDeep in reasons
def test_proxy_execution_rejected_for_insufficient_gas(
chain, RequestData, proxy, txn_recorder, request_lib, execution_lib,
get_execute_data, get_abort_data, AbortReasons):
txn_request = RequestData(
toAddress=txn_recorder.address,
callGas=100000,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
assert txn_recorder.call().wasCalled() is False
chain.wait.for_block(request_data.schedule.windowStart)
minimum_call_gas = (request_data.txnData.callGas +
request_lib.call().EXECUTION_GAS_OVERHEAD() +
execution_lib.call().GAS_PER_DEPTH() *
request_data.txnData.requiredStackDepth)
too_low_call_gas = minimum_call_gas - request_lib.call().PRE_EXECUTION_GAS(
)
call_data_hex = txn_request._encode_transaction_data('execute')
execute_txn_hash = proxy.transact({
'gas': 3000000
}).__proxy(
to=txn_request.address,
callData=decode_hex(call_data_hex),
callGas=too_low_call_gas,
)
chain.wait.for_receipt(execute_txn_hash)
assert txn_recorder.call().wasCalled() is False
assert request_data.meta.wasCalled is False
with pytest.raises(AssertionError):
get_execute_data(execute_txn_hash)
abort_data = get_abort_data(execute_txn_hash)
reasons = {entry['args']['reason'] for entry in abort_data}
assert AbortReasons.InsufficientGas in reasons
def test_proxy_execution_accepted_at_minimum_gas(chain,
RequestData,
proxy,
txn_recorder,
request_lib,
execution_lib,
get_execute_data,
get_abort_data,
AbortReasons):
txn_request = RequestData(
toAddress=txn_recorder.address,
callGas=100000,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
assert txn_recorder.call().wasCalled() is False
chain.wait.for_block(request_data.schedule.windowStart)
minimum_call_gas = (
request_data.txnData.callGas +
request_lib.call().EXECUTION_GAS_OVERHEAD() +
execution_lib.call().GAS_PER_DEPTH() * request_data.txnData.requiredStackDepth
)
call_data_hex = txn_request._encode_transaction_data('execute')
execute_txn_hash = proxy.transact({'gas': 3000000}).__proxy(
to=txn_request.address,
callData=decode_hex(call_data_hex),
callGas=minimum_call_gas,
)
chain.wait.for_receipt(execute_txn_hash)
request_data.refresh()
assert get_execute_data(execute_txn_hash)
assert txn_recorder.call().wasCalled() is True
assert request_data.meta.wasCalled is True
def test_claim_deposit_returned_even_if_returning_it_throws(
chain, web3, RequestData, get_claim_data, error_generator):
txn_request = RequestData(windowStart=web3.eth.blockNumber + 255 + 10 +
5).direct_deploy()
request_data = RequestData.from_contract(txn_request)
try_claim_at = request_data.schedule.windowStart - request_data.schedule.freezePeriod - request_data.schedule.claimWindowSize - 3
# sanity
assert try_claim_at > web3.eth.blockNumber
chain.wait.for_block(try_claim_at)
deposit_amount = 2 * request_data.paymentData.payment
before_contract_balance = web3.eth.getBalance(txn_request.address)
before_account_balance = web3.eth.getBalance(error_generator.address)
assert before_account_balance == 0
claim_call_data = decode_hex(txn_request._encode_transaction_data('claim'))
claim_txn_hash = error_generator.transact({
'value': deposit_amount,
}).__proxy(
txn_request.address,
claim_call_data,
)
chain.wait.for_receipt(claim_txn_hash)
after_contract_balance = web3.eth.getBalance(txn_request.address)
after_account_balance = web3.eth.getBalance(error_generator.address)
assert after_contract_balance == before_contract_balance
assert after_account_balance == deposit_amount
request_data.refresh()
assert request_data.claimData.claimedBy == '0x0000000000000000000000000000000000000000'
def test_claim_deposit_returned_even_if_returning_it_throws(chain,
web3,
RequestData,
get_claim_data,
error_generator):
txn_request = RequestData(windowStart=web3.eth.blockNumber + 255 + 10 + 5).direct_deploy()
request_data = RequestData.from_contract(txn_request)
try_claim_at = request_data.schedule.windowStart - request_data.schedule.freezePeriod - request_data.schedule.claimWindowSize - 3
# sanity
assert try_claim_at > web3.eth.blockNumber
chain.wait.for_block(try_claim_at)
deposit_amount = 2 * request_data.paymentData.payment
before_contract_balance = web3.eth.getBalance(txn_request.address)
before_account_balance = web3.eth.getBalance(error_generator.address)
assert before_account_balance == 0
claim_call_data = decode_hex(txn_request._encode_transaction_data('claim'))
claim_txn_hash = error_generator.transact({
'value': deposit_amount,
}).__proxy(txn_request.address, claim_call_data, )
chain.wait.for_receipt(claim_txn_hash)
after_contract_balance = web3.eth.getBalance(txn_request.address)
after_account_balance = web3.eth.getBalance(error_generator.address)
assert after_contract_balance == before_contract_balance
assert after_account_balance == deposit_amount
request_data.refresh()
assert request_data.claimData.claimedBy == '0x0000000000000000000000000000000000000000'
def test_execution_accepted_when_stack_extendable(chain,
web3,
RequestData,
txn_recorder,
digger_proxy,
get_execute_data,
get_abort_data,
AbortReasons):
txn_request = RequestData(
toAddress=txn_recorder.address,
requiredStackDepth=1000,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
assert txn_recorder.call().wasCalled() is False
assert request_data.meta.wasCalled is False
assert request_data.txnData.requiredStackDepth == 1000
chain.wait.for_block(request_data.schedule.windowStart)
execute_call_data = decode_hex(txn_request._encode_transaction_data('execute'))
execute_txn_hash = digger_proxy.transact({'gas': 3000000}).__dig_then_proxy(
21,
txn_request.address,
execute_call_data,
)
chain.wait.for_receipt(execute_txn_hash)
request_data.refresh()
assert digger_proxy.call().result() is True
assert txn_recorder.call().wasCalled() is True
assert request_data.meta.wasCalled is True
assert get_execute_data(execute_txn_hash)
def test_eth_sign(web3_empty, skip_if_testrpc):
web3 = web3_empty
skip_if_testrpc(web3)
private_key_hex = '0x5e95384d8050109aab08c1922d3c230739bc16976553c317e5d0b87b59371f2a'
private_key = decode_hex(private_key_hex)
# This imports the private key into the running geth instance and unlocks
# the account so that it can sign things.
# `0xa5df35f30ba0ce878b1061ae086289adff3ba1e0`
address = web3.personal.importRawKey(private_key, "password")
web3.personal.unlockAccount(address, "password")
assert add_0x_prefix(encode_hex(
privtoaddr(private_key))) == add_0x_prefix(address)
assert address == '0xa5df35f30ba0ce878b1061ae086289adff3ba1e0'
# the data to be signed
data = b'1234567890abcdefghijklmnopqrstuvwxyz'
# the hash of the data `0x089c33d56ed10bd8b571a0f493cedb28db1ae0f40c6cd266243001528c06eab3`
data_hash = web3.sha3(data, encoding=None)
data_hash_bytes = decode_hex(data_hash)
assert force_bytes(data_hash) == sha3(data)
priv_key = PrivateKey(flags=ALL_FLAGS)
priv_key.set_raw_privkey(private_key)
# sanit check the extract_ecdsa_signer function works as expected.
vector_sig = priv_key.ecdsa_sign_recoverable(data_hash_bytes,
raw=True,
digest=sha3_256)
vector_sig_bytes, rec_id = priv_key.ecdsa_recoverable_serialize(vector_sig)
vector_sig_bytes_full = vector_sig_bytes + force_bytes(chr(rec_id))
vector_address = force_text(
extract_ecdsa_signer(data_hash_bytes, vector_sig_bytes_full))
assert vector_address == address
# Now have geth sign some data.
signature_hex = web3.eth.sign(address, data)
signature_bytes = decode_hex(signature_hex)
actual_signer = extract_ecdsa_signer(data_hash_bytes, signature_bytes)
assert actual_signer == address
# Verify the signature against the public key derived from the
# original private key. It fails.
rec_id = signature_bytes[64]
if is_string(rec_id):
rec_id = ord(rec_id)
recoverable_signature = priv_key.ecdsa_recoverable_deserialize(
signature_bytes[:64],
rec_id,
)
signature = priv_key.ecdsa_recoverable_convert(recoverable_signature)
is_valid = priv_key.pubkey.ecdsa_verify(
msg=data,
raw_sig=signature,
digest=sha3_256,
)
assert is_valid
def test_accounting_when_everything_throws(chain,
web3,
get_execute_data,
RequestData,
error_generator):
txn_request = RequestData(
createdBy=error_generator.address,
owner=error_generator.address,
donationBenefactor=error_generator.address,
toAddress=error_generator.address,
callData=decode_hex(error_generator._encode_transaction_data('doThrow')),
windowStart=web3.eth.blockNumber + 10 + 255 + 5,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
claim_at = request_data.schedule.windowStart - 10 - 5
deposit_amount = request_data.paymentData.payment * 2
assert claim_at > web3.eth.blockNumber
chain.wait.for_block(claim_at)
claim_call_data = decode_hex(txn_request._encode_transaction_data('claim'))
claim_txn_hash = error_generator.transact({
'value': deposit_amount,
}).__proxy(txn_request.address, claim_call_data, )
chain.wait.for_receipt(claim_txn_hash)
chain.wait.for_block(request_data.schedule.windowStart)
execute_call_data = decode_hex(txn_request._encode_transaction_data('execute'))
execute_txn_hash = error_generator.transact({
'from': web3.eth.accounts[1],
'gas': 3000000,
}).__proxy(
to=txn_request.address,
callData=execute_call_data,
)
execute_txn_receipt = chain.wait.for_receipt(execute_txn_hash)
chain.wait.for_block(request_data.schedule.windowStart + request_data.schedule.windowSize)
execute_data = get_execute_data(execute_txn_hash)
request_data.refresh()
assert request_data.meta.wasCalled is True
assert request_data.meta.wasSuccessful is False
gas_used = execute_txn_receipt['gasUsed']
measured_gas_consumption = execute_data['args']['measuredGasConsumption']
assert measured_gas_consumption > gas_used
assert measured_gas_consumption - gas_used < 50000
payment_owed = request_data.paymentData.paymentOwed
donation_owed = request_data.paymentData.donationOwed
assert payment_owed > 0
assert payment_owed == execute_data['args']['payment']
assert donation_owed > 0
assert donation_owed == execute_data['args']['donation']
# make the contract stop throwing now.
chain.wait.for_receipt(error_generator.transact().toggle())
assert error_generator.call().shouldThrow() is False
before_payments_contract_balance = web3.eth.getBalance(txn_request.address)
before_owner_refund_balance = web3.eth.getBalance(error_generator.address)
issue_owner_refund_txn_hash = txn_request.transact().sendOwnerEther()
chain.wait.for_receipt(issue_owner_refund_txn_hash)
after_owner_refund_balance = web3.eth.getBalance(error_generator.address)
owner_refund = after_owner_refund_balance - before_owner_refund_balance
assert owner_refund > 0
before_payment_balance = web3.eth.getBalance(error_generator.address)
issue_payment_txn_hash = txn_request.transact().sendPayment()
chain.wait.for_receipt(issue_payment_txn_hash)
request_data.refresh()
after_payment_balance = web3.eth.getBalance(error_generator.address)
assert after_payment_balance - before_payment_balance == payment_owed
before_donation_balance = web3.eth.getBalance(error_generator.address)
issue_donation_txn_hash = txn_request.transact().sendDonation()
chain.wait.for_receipt(issue_donation_txn_hash)
request_data.refresh()
after_donation_balance = web3.eth.getBalance(error_generator.address)
assert after_donation_balance - before_donation_balance == donation_owed
assert owner_refund + payment_owed + donation_owed == before_payments_contract_balance
def test_hex_encode_decode_round_trip(value):
intermediate_value = encode_hex(value)
result_value = decode_hex(intermediate_value)
assert result_value == value, "Expected: {0!r}, Result: {1!r}, Intermediate: {2!r}".format(
value, result_value, intermediate_value)
def test_eth_sign(web3_empty, skip_if_testrpc):
web3 = web3_empty
skip_if_testrpc(web3)
private_key_hex = '0x5e95384d8050109aab08c1922d3c230739bc16976553c317e5d0b87b59371f2a'
private_key = decode_hex(private_key_hex)
# This imports the private key into the running geth instance and unlocks
# the account so that it can sign things.
# `0xa5df35f30ba0ce878b1061ae086289adff3ba1e0`
address = web3.personal.importRawKey(private_key, "password")
web3.personal.unlockAccount(address, "password")
assert add_0x_prefix(encode_hex(privtoaddr(private_key))) == add_0x_prefix(address)
assert address == '0xa5df35f30ba0ce878b1061ae086289adff3ba1e0'
# the data to be signed
data = b'1234567890abcdefghijklmnopqrstuvwxyz'
# the hash of the data `0x089c33d56ed10bd8b571a0f493cedb28db1ae0f40c6cd266243001528c06eab3`
data_hash = web3.sha3(data, encoding=None)
data_hash_bytes = decode_hex(data_hash)
assert force_bytes(data_hash) == sha3(data)
priv_key = PrivateKey(flags=ALL_FLAGS)
priv_key.set_raw_privkey(private_key)
# sanit check the extract_ecdsa_signer function works as expected.
vector_sig = priv_key.ecdsa_sign_recoverable(data_hash_bytes, raw=True, digest=sha3_256)
vector_sig_bytes, rec_id = priv_key.ecdsa_recoverable_serialize(vector_sig)
vector_sig_bytes_full = vector_sig_bytes + force_bytes(chr(rec_id))
vector_address = force_text(extract_ecdsa_signer(data_hash_bytes, vector_sig_bytes_full))
assert vector_address == address
# Now have geth sign some data.
signature_hex = web3.eth.sign(address, data)
signature_bytes = decode_hex(signature_hex)
actual_signer = extract_ecdsa_signer(data_hash_bytes, signature_bytes)
assert actual_signer == address
# Verify the signature against the public key derived from the
# original private key. It fails.
rec_id = signature_bytes[64]
if is_string(rec_id):
rec_id = ord(rec_id)
recoverable_signature = priv_key.ecdsa_recoverable_deserialize(
signature_bytes[:64],
rec_id,
)
signature = priv_key.ecdsa_recoverable_convert(recoverable_signature)
is_valid = priv_key.pubkey.ecdsa_verify(
msg=data,
raw_sig=signature,
digest=sha3_256,
)
assert is_valid
def test_hex_encode_decode_round_trip(value):
intermediate_value = encode_hex(value)
result_value = decode_hex(intermediate_value)
assert result_value == value, "Expected: {0!r}, Result: {1!r}, Intermediate: {2!r}".format(value, result_value, intermediate_value)
def test_accounting_when_everything_throws(chain, web3, get_execute_data,
RequestData, error_generator):
txn_request = RequestData(
createdBy=error_generator.address,
owner=error_generator.address,
donationBenefactor=error_generator.address,
toAddress=error_generator.address,
callData=decode_hex(
error_generator._encode_transaction_data('doThrow')),
windowStart=web3.eth.blockNumber + 10 + 255 + 5,
).direct_deploy()
request_data = RequestData.from_contract(txn_request)
claim_at = request_data.schedule.windowStart - 10 - 5
deposit_amount = request_data.paymentData.payment * 2
assert claim_at > web3.eth.blockNumber
chain.wait.for_block(claim_at)
claim_call_data = decode_hex(txn_request._encode_transaction_data('claim'))
claim_txn_hash = error_generator.transact({
'value': deposit_amount,
}).__proxy(
txn_request.address,
claim_call_data,
)
chain.wait.for_receipt(claim_txn_hash)
chain.wait.for_block(request_data.schedule.windowStart)
execute_call_data = decode_hex(
txn_request._encode_transaction_data('execute'))
execute_txn_hash = error_generator.transact({
'from': web3.eth.accounts[1],
'gas': 3000000,
}).__proxy(
to=txn_request.address,
callData=execute_call_data,
)
execute_txn_receipt = chain.wait.for_receipt(execute_txn_hash)
chain.wait.for_block(request_data.schedule.windowStart +
request_data.schedule.windowSize)
execute_data = get_execute_data(execute_txn_hash)
request_data.refresh()
assert request_data.meta.wasCalled is True
assert request_data.meta.wasSuccessful is False
gas_used = execute_txn_receipt['gasUsed']
measured_gas_consumption = execute_data['args']['measuredGasConsumption']
assert measured_gas_consumption > gas_used
assert measured_gas_consumption - gas_used < 50000
payment_owed = request_data.paymentData.paymentOwed
donation_owed = request_data.paymentData.donationOwed
assert payment_owed > 0
assert payment_owed == execute_data['args']['payment']
assert donation_owed > 0
assert donation_owed == execute_data['args']['donation']
# make the contract stop throwing now.
chain.wait.for_receipt(error_generator.transact().toggle())
assert error_generator.call().shouldThrow() is False
before_payments_contract_balance = web3.eth.getBalance(txn_request.address)
before_owner_refund_balance = web3.eth.getBalance(error_generator.address)
issue_owner_refund_txn_hash = txn_request.transact().sendOwnerEther()
chain.wait.for_receipt(issue_owner_refund_txn_hash)
after_owner_refund_balance = web3.eth.getBalance(error_generator.address)
owner_refund = after_owner_refund_balance - before_owner_refund_balance
assert owner_refund > 0
before_payment_balance = web3.eth.getBalance(error_generator.address)
issue_payment_txn_hash = txn_request.transact().sendPayment()
chain.wait.for_receipt(issue_payment_txn_hash)
request_data.refresh()
after_payment_balance = web3.eth.getBalance(error_generator.address)
assert after_payment_balance - before_payment_balance == payment_owed
before_donation_balance = web3.eth.getBalance(error_generator.address)
issue_donation_txn_hash = txn_request.transact().sendDonation()
chain.wait.for_receipt(issue_donation_txn_hash)
request_data.refresh()
after_donation_balance = web3.eth.getBalance(error_generator.address)
assert after_donation_balance - before_donation_balance == donation_owed
assert owner_refund + payment_owed + donation_owed == before_payments_contract_balance