def compute_state_test_unit(state, txdata, indices, konfig):
state.env.config = konfig
s = state.snapshot()
try:
# Create the transaction
tx = transactions.Transaction(
nonce=parse_int_or_hex(txdata['nonce'] or b"0"),
gasprice=parse_int_or_hex(txdata['gasPrice'] or b"0"),
startgas=parse_int_or_hex(txdata['gasLimit'][indices["gas"]]
or b"0"),
to=decode_hex(remove_0x_head(txdata['to'])),
value=parse_int_or_hex(txdata['value'][indices["value"]] or b"0"),
data=decode_hex(remove_0x_head(txdata['data'][indices["data"]])))
if 'secretKey' in txdata:
tx.sign(decode_hex(remove_0x_head(txdata['secretKey'])))
else:
tx.v = parse_int_or_hex(txdata['v'])
# Run it
prev = state.to_dict()
success, output = apply_transaction(state, tx)
print("Applied tx")
except InvalidTransaction as e:
print("Exception: %r" % e)
success, output = False, b''
# state.set_code('0x3e180b1862f9d158abb5e519a6d8605540c23682', b'')
state.commit()
post = state.to_dict()
# print('pozt', post)
output_decl = {
"hash": '0x' + encode_hex(state.trie.root_hash),
"indexes": indices,
"diff": mk_state_diff(prev, post)
}
state.revert(s)
return output_decl
def initialize(state, block=None):
config = state.config
state.txindex = 0
state.gas_used = 0
state.bloom = 0
state.receipts = []
if block is not None:
update_block_env_variables(state, block)
# Initalize the next epoch in the Casper contract
if state.block_number % state.config['EPOCH_LENGTH'] == 0 and state.block_number != 0:
key, account = state.config['NULL_SENDER'], privtoaddr(state.config['NULL_SENDER'])
data = casper_utils.casper_translator.encode('initialize_epoch', [state.block_number // state.config['EPOCH_LENGTH']])
transaction = transactions.Transaction(state.get_nonce(account), 0, 3141592,
state.config['CASPER_ADDRESS'], 0, data).sign(key)
success, output = apply_transaction(state, transaction)
assert success
if state.is_DAO(at_fork_height=True):
for acct in state.config['CHILD_DAO_LIST']:
state.transfer_value(
acct,
state.config['DAO_WITHDRAWER'],
state.get_balance(acct))
if state.is_METROPOLIS(at_fork_height=True):
state.set_code(utils.normalize_address(
config["METROPOLIS_STATEROOT_STORE"]), config["METROPOLIS_GETTER_CODE"])
state.set_code(utils.normalize_address(
config["METROPOLIS_BLOCKHASH_STORE"]), config["METROPOLIS_GETTER_CODE"])
def apply_message(state, msg=None, **kwargs):
if msg is None:
msg = vm.Message(**kwargs)
else:
assert not kwargs
ext = VMExt(state, transactions.Transaction(0, 0, 21000, b'', 0, b''))
result, gas_remained, data = apply_msg(ext, msg)
return bytearray_to_bytestr(data) if result else None
def mk_transaction(self, to=b'\x00' * 20, value=0, data=b'', gasprice=tester.GASPRICE, startgas=tester.STARTGAS):
tx = transactions.Transaction(self.nonce, gasprice, startgas, to, value, data).sign(self.key)
self.nonce += 1
return tx
def get_transaction(gasprice=0, nonce=0):
k, v, k2, v2 = accounts()
tx = transactions.Transaction(
nonce, gasprice, startgas=100000,
to=v2, value=utils.denoms.finney * 10, data='').sign(k)
return tx