Ejemplo n.º 1
0
static void
doInflation(Application& app, int nbAccounts,
            std::function<int64(int)> getBalance,
            std::function<int(int)> getVote, int expectedWinnerCount)
{
    using xdr::operator==;

    // simulate the expected inflation based off the current ledger state
    std::map<int, int64> balances;

    // load account balances
    for (int i = 0; i < nbAccounts; i++)
    {
        if (getBalance(i) < 0)
        {
            balances[i] = -1;
            requireNoAccount(getTestAccount(i), app);
        }
        else
        {
            AccountFrame::pointer act;
            act = loadAccount(getTestAccount(i), app);
            balances[i] = act->getBalance();
            // double check that inflationDest is setup properly
            if (act->getAccount().inflationDest)
            {
                REQUIRE(getTestAccount(getVote(i)).getPublicKey() ==
                        *act->getAccount().inflationDest);
            }
            else
            {
                REQUIRE(getVote(i) < 0);
            }
        }
    }
    LedgerManager& lm = app.getLedgerManager();
    LedgerHeader& cur = lm.getCurrentLedgerHeader();
    cur.feePool = 10000;

    int64 expectedTotcoins = cur.totalCoins;
    int64 expectedFees = cur.feePool;

    std::vector<int64> expectedBalances;

    auto root = getRoot(app.getNetworkID());
    TransactionFramePtr txFrame = createInflation(
        app.getNetworkID(), root, getAccountSeqNum(root, app) + 1);

    expectedFees += txFrame->getFee();

    expectedBalances =
        simulateInflation(nbAccounts, expectedTotcoins, expectedFees,
                          [&](int i)
                          {
                              return balances[i];
                          },
                          getVote);

    // perform actual inflation
    {
        LedgerDelta delta(lm.getCurrentLedgerHeader(), app.getDatabase());
        REQUIRE(applyCheck(txFrame, delta, app));
        delta.commit();
    }

    // verify ledger state
    LedgerHeader& cur2 = lm.getCurrentLedgerHeader();

    REQUIRE(cur2.totalCoins == expectedTotcoins);
    REQUIRE(cur2.feePool == expectedFees);

    // verify balances
    InflationResult const& infResult =
        getFirstResult(*txFrame).tr().inflationResult();
    auto const& payouts = infResult.payouts();
    int actualChanges = 0;

    for (int i = 0; i < nbAccounts; i++)
    {
        auto const& k = getTestAccount(i);
        if (expectedBalances[i] < 0)
        {
            requireNoAccount(k, app);
            REQUIRE(balances[i] < 0); // account didn't get deleted
        }
        else
        {
            AccountFrame::pointer act;
            act = loadAccount(k, app);
            REQUIRE(expectedBalances[i] == act->getBalance());

            if (expectedBalances[i] != balances[i])
            {
                REQUIRE(balances[i] >= 0);
                actualChanges++;
                bool found = false;
                for (auto const& p : payouts)
                {
                    if (p.destination == k.getPublicKey())
                    {
                        int64 computedFromResult = balances[i] + p.amount;
                        REQUIRE(computedFromResult == expectedBalances[i]);
                        found = true;
                        break;
                    }
                }
                REQUIRE(found);
            }
        }
    }
    REQUIRE(actualChanges == expectedWinnerCount);
    REQUIRE(expectedWinnerCount == payouts.size());
}
Ejemplo n.º 2
0
    Asset idrCur = makeAsset(gateway, "IDR");
    Asset usdCur = makeAsset(gateway, "USD");

    // sets up gateway account
    const int64_t gatewayPayment = minBalance2 + morePayment;
    applyCreateAccountTx(app, root, gateway, rootSeq++, gatewayPayment);
    SequenceNumber gateway_seq = getAccountSeqNum(gateway, app) + 1;

    AccountFrame::pointer a1Account, rootAccount;
    rootAccount = loadAccount(root, app);
    a1Account = loadAccount(a1, app);
    REQUIRE(rootAccount->getMasterWeight() == 1);
    REQUIRE(rootAccount->getHighThreshold() == 0);
    REQUIRE(rootAccount->getLowThreshold() == 0);
    REQUIRE(rootAccount->getMediumThreshold() == 0);
    REQUIRE(a1Account->getBalance() == paymentAmount);
    REQUIRE(a1Account->getMasterWeight() == 1);
    REQUIRE(a1Account->getHighThreshold() == 0);
    REQUIRE(a1Account->getLowThreshold() == 0);
    REQUIRE(a1Account->getMediumThreshold() == 0);
    // root did 2 transactions at this point
    REQUIRE(rootAccount->getBalance() ==
            (100000000000000000 - paymentAmount - gatewayPayment - txfee * 2));

    LedgerDelta delta(app.getLedgerManager().getCurrentLedgerHeader(),
                      app.getDatabase());

    SECTION("Create account")
    {
        SECTION("Success")
        {