Python utils.fix函数代码示例

def test_two_asks_on_books_buy_full_and_partial(contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    trade = contractsFixture.contracts['Trade']
    fillOrder = contractsFixture.contracts['FillOrder']
    orders = contractsFixture.contracts['Orders']
    tradeGroupID = "42"

    # create order 1
    orderID1 = createOrder.publicCreateOrder(ASK, fix(12), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=fix('12', '4000'))
    # create order 2
    orderID2 = createOrder.publicCreateOrder(ASK, fix(7), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k3, value=fix('7', '4000'))

    # fill best order
    fillOrderID = trade.publicBuy(market.address, YES, fix(15), 6000, "0", "0", tradeGroupID, sender = tester.k2, value=fix('15', '6000'))

    assert orders.getAmount(orderID1) == 0
    assert orders.getPrice(orderID1) == 0
    assert orders.getOrderCreator(orderID1) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID1) == 0
    assert orders.getOrderSharesEscrowed(orderID1) == 0
    assert orders.getBetterOrderId(orderID1) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID1) == longTo32Bytes(0)

    assert orders.getAmount(orderID2) == fix(4)
    assert orders.getPrice(orderID2) == 6000
    assert orders.getOrderCreator(orderID2) == bytesToHexString(tester.a3)
    assert orders.getOrderMoneyEscrowed(orderID2) == fix('4', '4000')
    assert orders.getOrderSharesEscrowed(orderID2) == 0
    assert orders.getBetterOrderId(orderID2) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID2) == longTo32Bytes(0)

    assert fillOrderID == longTo32Bytes(1)

def test_one_ask_on_books_buy_excess_order(contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    trade = contractsFixture.contracts['Trade']
    fillOrder = contractsFixture.contracts['FillOrder']
    orders = contractsFixture.contracts['Orders']
    tradeGroupID = "42"

    # create order
    orderID = createOrder.publicCreateOrder(ASK, fix(12), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=fix('12', '4000'))

    # fill best order
    fillOrderID = trade.publicBuy(market.address, YES, fix(15), 6000, "0", "0", tradeGroupID, sender = tester.k2, value=fix('15', '6000'))

    assert orders.getAmount(orderID) == 0
    assert orders.getPrice(orderID) == 0
    assert orders.getOrderCreator(orderID) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID) == 0
    assert orders.getOrderSharesEscrowed(orderID) == 0
    assert orders.getBetterOrderId(orderID) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID) == longTo32Bytes(0)

    assert orders.getAmount(fillOrderID) == fix(3)
    assert orders.getPrice(fillOrderID) == 6000
    assert orders.getOrderCreator(fillOrderID) == bytesToHexString(tester.a2)
    assert orders.getOrderMoneyEscrowed(fillOrderID) == fix('3', '6000')
    assert orders.getOrderSharesEscrowed(fillOrderID) == 0
    assert orders.getBetterOrderId(fillOrderID) == longTo32Bytes(0)
    assert orders.getWorseOrderId(fillOrderID) == longTo32Bytes(0)

def test_publicFillOrder_bid_scalar(contractsFixture, cash, scalarMarket, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    fillOrder = contractsFixture.contracts['FillOrder']
    orders = contractsFixture.contracts['Orders']
    # We're testing the scalar market because it has a different numTicks than 10**18 as the other do. In particular it's numTicks is 40*18**18
    market = scalarMarket
    tradeGroupID = "42"

    initialMakerETH = contractsFixture.chain.head_state.get_balance(tester.a1)
    initialFillerETH = contractsFixture.chain.head_state.get_balance(tester.a2)
    creatorCost = fix('2', '6000')
    fillerCost = fix('2', '394000')

    # create order
    orderID = createOrder.publicCreateOrder(BID, fix(2), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=creatorCost)

    # fill best order
    fillOrderID = fillOrder.publicFillOrder(orderID, fix(2), tradeGroupID, sender = tester.k2, value=fillerCost)

    assert contractsFixture.chain.head_state.get_balance(tester.a1) == initialMakerETH - creatorCost
    assert contractsFixture.chain.head_state.get_balance(tester.a2) == initialFillerETH - fillerCost
    assert orders.getAmount(orderID) == 0
    assert orders.getPrice(orderID) == 0
    assert orders.getOrderCreator(orderID) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID) == 0
    assert orders.getOrderSharesEscrowed(orderID) == 0
    assert orders.getBetterOrderId(orderID) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID) == longTo32Bytes(0)
    assert fillOrderID == 0

def test_two_bids_on_books_buy_both(contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    trade = contractsFixture.contracts['Trade']
    fillOrder = contractsFixture.contracts['FillOrder']
    orders = contractsFixture.contracts['Orders']
    tradeGroupID = "42"

    # create order 1
    orderID1 = createOrder.publicCreateOrder(BID, fix(4), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=fix('4', '6000'))
    # create order 2
    orderID2 = createOrder.publicCreateOrder(BID, fix(1), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k3, value=fix('1', '6000'))

    # fill best order
    fillOrderID = trade.publicSell(market.address, YES, fix(5), 6000, "0", "0", tradeGroupID, sender = tester.k2, value=fix('5', '4000'))

    assert orders.getAmount(orderID1) == 0
    assert orders.getPrice(orderID1) == 0
    assert orders.getOrderCreator(orderID1) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID1) == 0
    assert orders.getOrderSharesEscrowed(orderID1) == 0
    assert orders.getBetterOrderId(orderID1) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID1) == longTo32Bytes(0)

    assert orders.getAmount(orderID2) == 0
    assert orders.getPrice(orderID2) == 0
    assert orders.getOrderCreator(orderID2) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID2) == 0
    assert orders.getOrderSharesEscrowed(orderID2) == 0
    assert orders.getBetterOrderId(orderID2) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID2) == longTo32Bytes(0)

    assert fillOrderID == longTo32Bytes(1)

def test_publicCreateOrder_bid2(contractsFixture, cash, market, universe):
    orders = contractsFixture.contracts['Orders']
    createOrder = contractsFixture.contracts['CreateOrder']

    orderType = BID
    amount = fix(1)
    fxpPrice = 4000
    outcome = 0
    tradeGroupID = "42"

    marketInitialCash = cash.balanceOf(market.address)
    creatorInitialETH = contractsFixture.chain.head_state.get_balance(tester.a1)

    orderID = None
    shareToken = contractsFixture.getShareToken(market, 0)

    orderCreatedLog = {
        'creator': bytesToHexString(tester.a1),
        'shareToken': shareToken.address,
        'tradeGroupId': stringToBytes("42"),
    }

    with AssertLog(contractsFixture, "OrderCreated", orderCreatedLog):
        orderID = createOrder.publicCreateOrder(orderType, amount, fxpPrice, market.address, outcome, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender=tester.k1, value = fix('1', '4000'))
    assert orderID != bytearray(32), "Order ID should be non-zero"

    assert orders.getAmount(orderID) == amount
    assert orders.getPrice(orderID) == fxpPrice
    assert orders.getOrderCreator(orderID) == bytesToHexString(tester.a1)
    assert orders.getOrderMoneyEscrowed(orderID) == fix(1, 4000)
    assert orders.getOrderSharesEscrowed(orderID) == 0
    assert cash.balanceOf(tester.a1) == 0
    assert contractsFixture.chain.head_state.get_balance(tester.a1) == creatorInitialETH - long(4000 * 10**18)
    assert cash.balanceOf(market.address) - marketInitialCash == 4000 * 10**18

def test_take_best_order_multiple_orders(contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    trade = contractsFixture.contracts['Trade']
    orders = contractsFixture.contracts['Orders']
    initialTester1ETH = contractsFixture.chain.head_state.get_balance(tester.a1)
    initialTester2ETH = contractsFixture.chain.head_state.get_balance(tester.a2)

    # create orders with cash
    orderIDs = []
    numOrders = 5
    for i in range(numOrders):
        orderID = createOrder.publicCreateOrder(ASK, fix(1), 6000 + i, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), "42", sender=tester.k1, value=fix('1', 4000 - i))
        assert orderID
        orderIDs.append(orderID)

    # fill orders with cash using on-chain matcher
    price = 6000 + numOrders
    assert trade.publicFillBestOrder(BID, market.address, YES, fix(numOrders), price, "43", sender=tester.k2, value=fix(numOrders, price)) == 0

    for i in range(numOrders):
        orderID = orderIDs[i]
        assert orders.getAmount(orderID) == 0
        assert orders.getPrice(orderID) == 0
        assert orders.getOrderCreator(orderID) == longToHexString(0)
        assert orders.getOrderMoneyEscrowed(orderID) == 0
        assert orders.getOrderSharesEscrowed(orderID) == 0
        assert orders.getBetterOrderId(orderID) == longTo32Bytes(0)
        assert orders.getWorseOrderId(orderID) == longTo32Bytes(0)

def test_one_bid_on_books_buy_full_order(contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    trade = contractsFixture.contracts['Trade']
    fillOrder = contractsFixture.contracts['FillOrder']
    orders = contractsFixture.contracts['Orders']
    tradeGroupID = "42"

    # create order
    orderID = createOrder.publicCreateOrder(BID, fix(2), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=fix('2', '6000'))

    # fill best order
    orderFilledLog = {
        "filler": bytesToHexString(tester.a2),
        "numCreatorShares": 0,
        "numCreatorTokens": fix('2', '6000'),
        "numFillerShares": 0,
        "numFillerTokens": fix('2', '4000'),
        "marketCreatorFees": 0,
        "reporterFees": 0,
        "shareToken": market.getShareToken(YES),
        "tradeGroupId": stringToBytes("42"),
    }
    with AssertLog(contractsFixture, "OrderFilled", orderFilledLog):
        assert trade.publicSell(market.address, YES, fix(2), 6000, "0", "0", tradeGroupID, sender = tester.k2, value=fix('2', '4000'))

    assert orders.getAmount(orderID) == 0
    assert orders.getPrice(orderID) == 0
    assert orders.getOrderCreator(orderID) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID) == 0
    assert orders.getOrderSharesEscrowed(orderID) == 0
    assert orders.getBetterOrderId(orderID) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID) == longTo32Bytes(0)

def test_ask_withPartialShares(contractsFixture, universe, cash, market):
    orders = contractsFixture.contracts['Orders']
    createOrder = contractsFixture.contracts['CreateOrder']
    fillOrder = contractsFixture.contracts['FillOrder']
    completeSets = contractsFixture.contracts['CompleteSets']
    yesShareToken = contractsFixture.applySignature('ShareToken', market.getShareToken(YES))
    noShareToken = contractsFixture.applySignature('ShareToken', market.getShareToken(NO))

    # buy fix(2) complete sets
    assert completeSets.publicBuyCompleteSets(market.address, fix(2), sender = tester.k1, value= fix(2, market.getNumTicks()))
    assert cash.balanceOf(tester.a1) == fix('0')
    assert yesShareToken.balanceOf(tester.a1) == fix(2)
    assert noShareToken.balanceOf(tester.a1) == fix(2)

    orderID = None

    orderCreatedLog = {
        'creator': bytesToHexString(tester.a1),
        'shareToken': yesShareToken.address,
        'tradeGroupId': stringToBytes("42"),
    }
    with AssertLog(contractsFixture, "OrderCreated", orderCreatedLog):
        orderID = createOrder.publicCreateOrder(ASK, fix(3), 4000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), "42", sender=tester.k1, value=fix('6000'))
    assert cash.balanceOf(tester.a1) == fix('0')
    assert yesShareToken.balanceOf(tester.a1) == 0
    assert noShareToken.balanceOf(tester.a1) == fix(2)

    # validate the order contains expected results
    assert orderID != bytearray(32), "Order ID should be non-zero"
    assert orders.getAmount(orderID) == fix(3)
    assert orders.getPrice(orderID) == 4000
    assert orders.getOrderCreator(orderID) == bytesToHexString(tester.a1)
    assert orders.getOrderMoneyEscrowed(orderID) == fix('6000')
    assert orders.getOrderSharesEscrowed(orderID) == fix(2)

def test_one_bid_on_books_buy_partial_order(useTrade, contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    trade = contractsFixture.contracts['Trade']
    fillOrder = contractsFixture.contracts['FillOrder']
    orders = contractsFixture.contracts['Orders']
    tradeGroupID = "42"

    # create order
    orderID = createOrder.publicCreateOrder(BID, fix(2), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=fix('2', '6000'))

    # fill best order
    fillOrderID = None
    if useTrade:
        fillOrderID = trade.publicTrade(1, market.address, YES, fix(1), 6000, "0", "0", tradeGroupID, sender = tester.k2, value=fix('1', '4000'))
    else:
        fillOrderID = trade.publicSell(market.address, YES, fix(1), 6000, "0", "0", tradeGroupID, sender = tester.k2, value=fix('1', '4000'))

    assert orders.getAmount(orderID) == fix(1)
    assert orders.getPrice(orderID) == 6000
    assert orders.getOrderCreator(orderID) == bytesToHexString(tester.a1)
    assert orders.getOrderMoneyEscrowed(orderID) == fix('1', '6000')
    assert orders.getOrderSharesEscrowed(orderID) == 0
    assert orders.getBetterOrderId(orderID) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID) == longTo32Bytes(0)
    assert fillOrderID == longTo32Bytes(1)

def test_publicFillOrder_ask(contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    fillOrder = contractsFixture.contracts['FillOrder']
    orders = contractsFixture.contracts['Orders']
    tradeGroupID = "42"

    initialMakerETH = contractsFixture.chain.head_state.get_balance(tester.a1)
    initialFillerETH = contractsFixture.chain.head_state.get_balance(tester.a2)
    creatorCost = fix('2', '4000')
    fillerCost = fix('2', '6000')

    # create order
    orderID = createOrder.publicCreateOrder(ASK, fix(2), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=creatorCost)

    # fill best order
    fillOrderID = fillOrder.publicFillOrder(orderID, fix(2), tradeGroupID, sender = tester.k2, value=fillerCost)

    assert contractsFixture.chain.head_state.get_balance(tester.a1) == initialMakerETH - creatorCost
    assert contractsFixture.chain.head_state.get_balance(tester.a2) == initialFillerETH - fillerCost
    assert orders.getAmount(orderID) == 0
    assert orders.getPrice(orderID) == 0
    assert orders.getOrderCreator(orderID) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID) == 0
    assert orders.getOrderSharesEscrowed(orderID) == 0
    assert orders.getBetterOrderId(orderID) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID) == longTo32Bytes(0)
    assert fillOrderID == 0

def test_take_best_order_with_shares_escrowed_buy_with_cash(contractsFixture, cash, market, universe):
    createOrder = contractsFixture.contracts['CreateOrder']
    trade = contractsFixture.contracts['Trade']
    orders = contractsFixture.contracts['Orders']
    completeSets = contractsFixture.contracts['CompleteSets']
    yesShareToken = contractsFixture.applySignature('ShareToken', market.getShareToken(YES))

    # buy complete sets
    assert completeSets.publicBuyCompleteSets(market.address, fix(1), sender=tester.k1, value=fix('1', '10000'))
    assert yesShareToken.balanceOf(tester.a1) == fix(1)

    # create order with shares
    orderID = createOrder.publicCreateOrder(ASK, fix(1), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), "42", sender=tester.k1)
    assert orderID

    # fill order with cash using on-chain matcher
    assert trade.publicFillBestOrder(BID, market.address, YES, fix(1), 6000, "43", sender=tester.k2, value=fix('1', '6000')) == 0

    assert orders.getAmount(orderID) == 0
    assert orders.getPrice(orderID) == 0
    assert orders.getOrderCreator(orderID) == longToHexString(0)
    assert orders.getOrderMoneyEscrowed(orderID) == 0
    assert orders.getOrderSharesEscrowed(orderID) == 0
    assert orders.getBetterOrderId(orderID) == longTo32Bytes(0)
    assert orders.getWorseOrderId(orderID) == longTo32Bytes(0)

def test_duplicate_creation_transaction(contractsFixture, cash, market):
    orders = contractsFixture.contracts['Orders']
    createOrder = contractsFixture.contracts['CreateOrder']

    with EtherDelta(-fix(1, 4000), tester.a0, contractsFixture.chain):
        orderID = createOrder.publicCreateOrder(BID, fix(1), 4000, market.address, 1, longTo32Bytes(0), longTo32Bytes(0), "7", value = fix(1, 4000))

    assert orderID

    with raises(TransactionFailed):
        createOrder.publicCreateOrder(BID, fix(1), 4000, market.address, 1, longTo32Bytes(0), longTo32Bytes(0), "7", value = fix(1, 4000))

def test_fill_order_with_shares(localFixture, zeroX, market, cash, controller):
    expirationTimestampInSec = controller.getTimestamp() + 1
    orderAddresses = [tester.a0, market.address]
    orderValues = [YES, ASK, 10, 1000, expirationTimestampInSec, 42]

    orderHash = zeroX.getOrderHash(orderAddresses, orderValues)
    v, r, s = createOrder(orderHash)

    fillAmount = 5

    # Fail with no shares deposited
    with raises(TransactionFailed):
        zeroX.fillOrder(
            orderAddresses,
            orderValues,
            fillAmount,
            v,
            r,
            s,
            sender = tester.k1)

    yesShareAddress = market.getShareToken(YES)
    noShareAddress = market.getShareToken(NO)
    yesShareToken = localFixture.applySignature('ShareToken', yesShareAddress)
    noShareToken = localFixture.applySignature('ShareToken', noShareAddress)
    completeSets = localFixture.contracts['CompleteSets']
    assert completeSets.publicBuyCompleteSets(market.address, fix(20), value=fix('20', market.getNumTicks()))
    assert noShareToken.transfer(tester.a1, 10)

    assert yesShareToken.approve(zeroX.address, 10)
    assert zeroX.deposit(yesShareAddress, 10)

    assert noShareToken.approve(zeroX.address, 10, sender=tester.k1)
    assert zeroX.deposit(noShareAddress, 10, sender=tester.k1)

    with PrintGasUsed(localFixture, "FILL_0X"):
        assert zeroX.fillOrder(
            orderAddresses,
            orderValues,
            fillAmount,
            v,
            r,
            s,
            sender = tester.k1)

    yesShareAddress = market.getShareToken(YES)
    noShareAddress = market.getShareToken(NO)
    assert zeroX.getTokenBalance(cash.address, tester.a0) == 4900
    assert zeroX.getTokenBalance(yesShareAddress, tester.a0) == 5
    assert zeroX.getTokenBalance(cash.address, tester.a1) == 44100
    assert zeroX.getTokenBalance(noShareAddress, tester.a1) == 5
    assert zeroX.getUnavailableAmount(orderHash) == fillAmount

def test_orderFilling(localFixture, market):
    createOrder = localFixture.contracts['CreateOrder']
    fillOrder = localFixture.contracts['FillOrder']
    tradeGroupID = "42"

    creatorCost = fix('2', '4000')
    fillerCost = fix('2', '6000')

    # create order
    orderID = createOrder.publicCreateOrder(ASK, fix(2), 6000, market.address, YES, longTo32Bytes(0), longTo32Bytes(0), tradeGroupID, sender = tester.k1, value=creatorCost)

    with PrintGasUsed(localFixture, "FillOrder:publicFillOrder", FILL_ORDER):
        fillOrderID = fillOrder.publicFillOrder(orderID, fix(2), tradeGroupID, sender = tester.k2, value=fillerCost)

def check_randoms(market, price, numTicks):
    fxpPrice = fix(price)
    fxpMaxDisplayPrice = numTicks
    fxpTradingFee = fix('0.0101')
    if fxpPrice <= 0:
        return 0
    if fxpPrice >= fxpMaxDisplayPrice:
        return 0
    if fxpTradingFee >= fxpPrice:
        return 0
    if fxpTradingFee >= fxpMaxDisplayPrice - fxpPrice:
        return 0
    return 1