Python tester.state方法代码示例

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def get_transaction_receipt(self, transaction_hash):
        block, transaction, transaction_index = _get_transaction_by_hash(
            self.evm,
            transaction_hash,
        )
        is_pending = block.number == self.evm.block.number
        return serialize_transaction_receipt(
            block,
            transaction,
            block.get_receipt(transaction_index),
            transaction_index,
            is_pending,
        )

    #
    # Account state
    # 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def create_and_distribute_token(state,
                                receivers,
                                name=None,
                                amount_per_receiver=1000000):
    proxy = state.abi_contract(
        None,
        path=get_contract_path(TARGETS['token']),
        language='solidity',
        listen=False,
        sender=DEFAULT_KEY,
        constructor_parameters=(
            len(receivers) * amount_per_receiver,
            name,
            2,
            name[:4].upper()
        )
    )
    for receiver in receivers:
        proxy.transfer(receiver, amount_per_receiver)
    state.mine(number_of_blocks=1)
    return (name, hexlify(proxy.address)) 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_data_feeds():
    s = tester.state()
    c = s.abi_contract(data_feed_code, sender=tester.k0)
    o2 = c.get(500)
    assert o2 == 0
    o3 = c.set(500, 19)
    assert o3 == 1
    o4 = c.get(500)
    assert o4 == 19
    o5 = c.set(500, 726, sender=tester.k1)
    assert o5 == 0
    o6 = c.set(500, 726)
    assert o6 == 1
    return s, c

# Test an example hedging contract, using the data feed. This tests
# contracts calling other contracts 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_storage_objects():
    s = tester.state()
    c = s.abi_contract(storage_object_test_code)
    c.ping()
    assert 1 == c.query_chessboard(0, 0)
    assert 2 == c.query_chessboard(0, 1)
    assert 3 == c.query_chessboard(3, 0)
    assert [100, 0, 0] == c.query_stats(0)
    assert [0, 15, 12] == c.query_stats(1)
    assert 0 == c.query_items(1, 3)
    assert 0 == c.query_items(0, 2)
    assert 9 == c.query_items(1, 2)
    assert [555, 556, 656, 559, 1659,
            557, 0,   0,   0,   558,
            657, 0,   0,   0,  658] == c.query_person()
    assert [361, 441] == c.testping(19, 21) 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_ecrecover():
    s = tester.state()
    c = s.abi_contract(ecrecover_code)

    priv = utils.sha3('some big long brainwallet password')
    pub = bitcoin.privtopub(priv)

    msghash = utils.sha3('the quick brown fox jumps over the lazy dog')

    pk = PrivateKey(priv, raw=True)
    signature = pk.ecdsa_recoverable_serialize(
        pk.ecdsa_sign_recoverable(msghash, raw=True)
    )
    signature = signature[0] + utils.bytearray_to_bytestr([signature[1]])
    V = utils.safe_ord(signature[64]) + 27
    R = big_endian_to_int(signature[0:32])
    S = big_endian_to_int(signature[32:64])

    assert bitcoin.ecdsa_raw_verify(msghash, (V, R, S), pub)

    addr = utils.big_endian_to_int(utils.sha3(bitcoin.encode_pubkey(pub, 'bin')[1:])[12:])
    assert utils.big_endian_to_int(utils.privtoaddr(priv)) == addr

    result = c.test_ecrecover(utils.big_endian_to_int(msghash), V, R, S)
    assert result == addr 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_prevhashes():
    s = tester.state()
    c = s.abi_contract(prevhashes_code)
    s.mine(7)
    # Hashes of last 14 blocks including existing one
    o1 = [x % 2 ** 256 for x in c.get_prevhashes(14)]
    # hash of self = 0, hash of blocks back to genesis block as is, hash of
    # blocks before genesis block = 0
    t1 = [0] + [utils.big_endian_to_int(b.hash) for b in s.blocks[-2::-1]] \
        + [0] * 6
    assert o1 == t1
    s.mine(256)
    # Test 256 limit: only 1 <= g <= 256 generation ancestors get hashes shown
    o2 = [x % 2 ** 256 for x in c.get_prevhashes(270)]
    t2 = [0] + [utils.big_endian_to_int(b.hash) for b in s.blocks[-2:-258:-1]] \
        + [0] * 13
    assert o2 == t2 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_abi_logging():
    s = tester.state()
    c = s.abi_contract(abi_logging_code)
    o = []
    s.block.log_listeners.append(lambda x: o.append(c.translator.listen(x)))
    c.test_rabbit(3)
    assert o == [{"_event_type": b"rabbit", "x": 3}]
    o.pop()
    c.test_frog(5)
    assert o == [{"_event_type": b"frog", "y": 5}]
    o.pop()
    c.test_moose(7, "nine", 11, [13, 15, 17])
    assert o == [{"_event_type": b"moose", "a": 7, "b": b"nine",
                 "c": 11, "d": [13, 15, 17]}]
    o.pop()
    c.test_chicken(tester.a0)
    assert o == [{"_event_type": b"chicken",
                  "m": utils.encode_hex(tester.a0)}]
    o.pop() 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_abicontract_interface():
    """ Test for issue #370. """
    tester_state = state()

    contract_path = path.join(CONTRACTS_DIR, 'simple_contract.sol')
    simple_compiled = compile_file(contract_path)
    simple_address = tester_state.evm(simple_compiled['Simple']['bin'])

    # ABIContract class must accept json_abi
    abi_json = json.dumps(simple_compiled['Simple']['abi']).encode('utf-8')

    abi = ABIContract(
        _state=tester_state,
        _abi=abi_json,
        address=simple_address,
        listen=False,
        log_listener=None,
        default_key=None,
    )

    assert abi.test() == 1  # pylint: disable=no-member 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_library_from_file():
    state = tester.state()
    state.env.config['HOMESTEAD_FORK_BLKNUM'] = 0  # enable CALLCODE opcode

    library = state.abi_contract(
        None,
        path=path.join(CONTRACTS_DIR, 'seven_library.sol'),
        language='solidity',
    )

    libraries = {
        'SevenLibrary': encode_hex(library.address),
    }
    contract = state.abi_contract(
        None,
        path=path.join(CONTRACTS_DIR, 'seven_contract.sol'),
        libraries=libraries,
        language='solidity',
    )

    # pylint: disable=no-member
    assert library.seven() == 7
    assert contract.test() == 7 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_deploy(self):
        n_wallet_owners = 3

        wallet, wallet_owners, wallet_owner_keys, _ = self.deploy_wallet(n_wallet_owners)
        wallet_owner_balances = [self.state.block.get_balance(wallet_owners[i])
                                 for i in xrange(n_wallet_owners)]

        # Send eth to the wallet contract
        to_send = 10 * denoms.ether
        gas_before = self.state.block.gas_used

        self.state.send(tester.keys[8], wallet.address, to_send)
        gas_used = self.state.block.gas_used - gas_before

        gas_bonus = gas_used * tester.gas_price
        wallet_owner_balances[0] += gas_bonus

        assert self.state.block.get_balance(wallet.address) == to_send
        assert all([self.state.block.get_balance(wallet_owners[i]) == b
                    for i, b in enumerate(wallet_owner_balances)]) 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_finalize(self):
        n_wallet_owners = 3
        wallet, wallet_owners, wallet_owner_keys, _ = self.deploy_wallet(n_wallet_owners, required=2)
        self.state.mine(1)
        contract, translator = self.deploy_contract(2, 3, founder=wallet.address)

        wallet_balance_init = self.state.block.get_balance(wallet.address)

        self.state.mine(2)
        # Send funds to contract to achieve mincap
        to_send = 200000 * denoms.ether
        contract.create(sender=tester.keys[9], value=to_send)

        # wait for end of funding period and finalize from multisig
        self.state.mine(2)
        finalize = translator.encode_function_call('finalize', [])
        wallet.submitTransaction(contract.address, 0, finalize,
                                 10001, sender=tester.keys[0])
        wallet.submitTransaction(contract.address, 0, finalize,
                                 10001, sender=tester.keys[1])
        assert self.state.block.get_balance(wallet.address) == to_send - wallet_balance_init 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def setUp(self):
        state_file_path = STATE_FILE_NAME

        if os.path.isfile(state_file_path):
            state_holder = StateHolder.restore(state_file_path)
        else:
            self.state = tester.state()
            c, a, keys, addrs = deploy_contract_and_accounts(self.state, N_PARTICIPANTS,
                                                             deploy_contract=False)

            state_holder = StateHolder(self.state, c, a, keys, addrs)
            state_holder.persist(state_file_path)

        self._populate_state_from_holder(state_holder)
        self.state.block.gas_limit = calc_block_gas_limit()
        print "Gas limit:", self.state.block.gas_limit 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_deploy(self):
        n_wallet_owners = 3

        wallet, wallet_owners, wallet_owner_keys = self.deploy_wallet(n_wallet_owners)
        wallet_owner_balances = [self.state.block.get_balance(wallet_owners[i])
                                 for i in xrange(n_wallet_owners)]

        # Send eth to the wallet contract
        to_send = 10 * denoms.ether
        gas_before = self.state.block.gas_used

        self.state.send(tester.keys[8], wallet.address, to_send)
        gas_used = self.state.block.gas_used - gas_before

        gas_bonus = gas_used * tester.gas_price
        wallet_owner_balances[0] += gas_bonus

        assert self.state.block.get_balance(wallet.address) == to_send
        assert all([self.state.block.get_balance(wallet_owners[i]) == b
                    for i, b in enumerate(wallet_owner_balances)]) 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def deploy_gnt(state, factory, start, end, creator_idx=9, replacements=None):
    alloc_helper = ContractHelper(ALLOC_CONTRACT_PATH)
    # remove import
    alloc_helper.sub([''], regex=IMPORT_TOKEN_REGEX)

    # replace import with contract source
    gnt_helper = ContractHelper(GNT_CONTRACT_PATH, regex=IMPORT_ALLOC_REGEX)
    gnt_helper.sub([alloc_helper.source])

    # replace values
    for rep, regex in replacements:
        gnt_helper.sub(rep, regex)

    gas_before = state.block.gas_used
    starting_block = state.block.number

    contract = state.abi_contract(gnt_helper.source,
                                  language='solidity',
                                  sender=tester.keys[creator_idx],
                                  constructor_parameters=(factory, factory,
                                                          starting_block + start,
                                                          starting_block + end))

    return contract, contract.address, state.block.gas_used - gas_before 

# 需要导入模块: from ethereum import tester [as 别名]
# 或者: from ethereum.tester import state [as 别名]
def test_gas_for_transfer(self):
        addr, _ = self.deploy_contract(urandom(20), 1, 2)
        self.state.mine(1)
        for i, k in enumerate(tester.keys):
            v = random.randrange(15000 * denoms.ether, 82000 * denoms.ether)
            self.c.create(sender=k, value=v)
        self.state.mine(2)
        self.c.finalize()
        self.state.mine()
        self.state.block.coinbase = urandom(20)
        costs = []
        for i, k in enumerate(tester.keys):
            v = random.randrange(1, 15000000 * denoms.ether)
            m = self.monitor(i)
            self.c.transfer(urandom(20), v, sender=k)
            costs.append(m.gas())
        print(costs)
        assert max(costs) <= 52062
        assert min(costs) >= 51342