def get_contract_code(init_code):
s = State(env=Env(config=casper_config))
s.gas_limit = 10**9
apply_transaction(s, Transaction(0, 0, 10**8, '', 0, init_code))
addr = utils.mk_metropolis_contract_address(
casper_config['METROPOLIS_ENTRY_POINT'], init_code)
o = s.get_code(addr)
assert o
return o
def mk_basic_state(alloc, header=None, env=None, executing_on_head=False):
env = env or Env()
state = State(env=env, executing_on_head=executing_on_head)
if not header:
header = {
"number": 0,
"gas_limit": env.config['BLOCK_GAS_LIMIT'],
"gas_used": 0,
"timestamp": 1467446877,
"difficulty": 1,
"uncles_hash": '0x' + encode_hex(BLANK_UNCLES_HASH)
}
h = BlockHeader(number=parse_as_int(header['number']),
timestamp=parse_as_int(header['timestamp']),
difficulty=parse_as_int(header['difficulty']),
gas_limit=parse_as_int(header['gas_limit']),
uncles_hash=parse_as_bin(header['uncles_hash']))
state.prev_headers = [h]
for addr, data in alloc.items():
addr = normalize_address(addr)
assert len(addr) == 20
if 'wei' in data:
state.set_balance(addr, parse_as_int(data['wei']))
if 'balance' in data:
state.set_balance(addr, parse_as_int(data['balance']))
if 'code' in data:
state.set_code(addr, parse_as_bin(data['code']))
if 'nonce' in data:
state.set_nonce(addr, parse_as_int(data['nonce']))
if 'storage' in data:
for k, v in data['storage'].items():
state.set_storage_data(addr, parse_as_bin(k), parse_as_bin(v))
state.block_number = header["number"]
state.gas_limit = header["gas_limit"]
state.timestamp = header["timestamp"]
state.block_difficulty = header["difficulty"]
state.commit()
return state
