C++ pointer::getID方法代码示例

void
TransactionFrame::setSourceAccountPtr(AccountFrame::pointer signingAccount)
{
    if (!signingAccount)
    {
        if (mEnvelope.tx.sourceAccount != signingAccount->getID())
        {
            throw std::invalid_argument("wrong account");
        }
    }
    mSigningAccount = signingAccount;
}

//.........这里部分代码省略.........
        // actual update
        // is done further down
        sellingWheatOffer.getOffer().amount = numWheatReceived;
    }

    bool reducedOffer = false;

    if (numWheatReceived > maxWheatReceived)
    {
        numWheatReceived = maxWheatReceived;
        reducedOffer = true;
    }

    // this guy can get X wheat to you. How many sheep does that get him?
    if (!bigDivide(numSheepSend, numWheatReceived,
                   sellingWheatOffer.getOffer().price.n,
                   sellingWheatOffer.getOffer().price.d))
    {
        numSheepSend = INT64_MAX;
    }

    if (numSheepSend > maxSheepSend)
    {
        // reduce the number even more if there is a limit on Sheep
        numSheepSend = maxSheepSend;
        reducedOffer = true;
    }

    // bias towards seller (this cannot overflow at this point)
    numWheatReceived =
        bigDivide(numSheepSend, sellingWheatOffer.getOffer().price.d,
                  sellingWheatOffer.getOffer().price.n);

    bool offerTaken = false;

    if (numWheatReceived == 0 || numSheepSend == 0)
    {
        if (reducedOffer)
        {
            return eOfferCantConvert;
        }
        else
        {
            // force delete the offer as it represents a bogus offer
            numWheatReceived = 0;
            numSheepSend = 0;
            offerTaken = true;
        }
    }

    offerTaken =
        offerTaken || sellingWheatOffer.getOffer().amount <= numWheatReceived;
    if (offerTaken)
    {   // entire offer is taken
        sellingWheatOffer.storeDelete(mDelta, db);

        accountB->addNumEntries(-1, mLedgerManager);
        accountB->storeChange(mDelta, db);
    }
    else
    {
        sellingWheatOffer.getOffer().amount -= numWheatReceived;
        sellingWheatOffer.storeChange(mDelta, db);
    }

    // Adjust balances
    if (sheep.type() == ASSET_TYPE_NATIVE)
    {
        accountB->getAccount().balance += numSheepSend;
        accountB->storeChange(mDelta, db);
    }
    else
    {
        if (!sheepLineAccountB->addBalance(numSheepSend))
        {
            return eOfferCantConvert;
        }
        sheepLineAccountB->storeChange(mDelta, db);
    }

    if (wheat.type() == ASSET_TYPE_NATIVE)
    {
        accountB->getAccount().balance -= numWheatReceived;
        accountB->storeChange(mDelta, db);
    }
    else
    {
        if (!wheatLineAccountB->addBalance(-numWheatReceived))
        {
            return eOfferCantConvert;
        }
        wheatLineAccountB->storeChange(mDelta, db);
    }

    mOfferTrail.push_back(
        ClaimOfferAtom(accountB->getID(), sellingWheatOffer.getOfferID(), wheat,
                       numWheatReceived, sheep, numSheepSend));

    return offerTaken ? eOfferTaken : eOfferPartial;
}

bool
PathPaymentOpFrame::doApply(medida::MetricsRegistry& metrics,
                            LedgerDelta& delta, LedgerManager& ledgerManager)
{
    AccountFrame::pointer destination;

    Database& db = ledgerManager.getDatabase();

    destination = AccountFrame::loadAccount(mPathPayment.destination, db);

    if (!destination)
    {
        metrics.NewMeter({"op-path-payment", "failure", "no-destination"},
                         "operation").Mark();
        innerResult().code(PATH_PAYMENT_NO_DESTINATION);
        return false;
    }

    innerResult().code(PATH_PAYMENT_SUCCESS);

    // tracks the last amount that was traded
    int64_t curBReceived = mPathPayment.destAmount;
    Asset curB = mPathPayment.destAsset;

    // update balances, walks backwards

    // build the full path to the destination, starting with sendAsset
    std::vector<Asset> fullPath;
    fullPath.emplace_back(mPathPayment.sendAsset);
    fullPath.insert(fullPath.end(), mPathPayment.path.begin(),
                    mPathPayment.path.end());

    // update last balance in the chain
    {
        if (curB.type() == ASSET_TYPE_NATIVE)
        {
            destination->getAccount().balance += curBReceived;
            destination->storeChange(delta, db);
        }
        else
        {
            TrustFrame::pointer destLine;

            destLine =
                TrustFrame::loadTrustLine(destination->getID(), curB, db);
            if (!destLine)
            {
                metrics.NewMeter({"op-path-payment", "failure", "no-trust"},
                                 "operation").Mark();
                innerResult().code(PATH_PAYMENT_NO_TRUST);
                return false;
            }

            if (!destLine->isAuthorized())
            {
                metrics.NewMeter(
                            {"op-path-payment", "failure", "not-authorized"},
                            "operation").Mark();
                innerResult().code(PATH_PAYMENT_NOT_AUTHORIZED);
                return false;
            }

            if (!destLine->addBalance(curBReceived))
            {
                metrics.NewMeter({"op-path-payment", "failure", "line-full"},
                                 "operation").Mark();
                innerResult().code(PATH_PAYMENT_LINE_FULL);
                return false;
            }

            destLine->storeChange(delta, db);
        }

        innerResult().success().last =
            SimplePaymentResult(destination->getID(), curB, curBReceived);
    }

    // now, walk the path backwards
    for (int i = (int)fullPath.size() - 1; i >= 0; i--)
    {
        int64_t curASent, actualCurBReceived;
        Asset const& curA = fullPath[i];

        if (curA == curB)
        {
            continue;
        }

        OfferExchange oe(delta, ledgerManager);

        // curA -> curB
        OfferExchange::ConvertResult r =
            oe.convertWithOffers(curA, INT64_MAX, curASent, curB, curBReceived,
                                 actualCurBReceived, nullptr);
        switch (r)
        {
        case OfferExchange::eFilterStop:
            assert(false); // no filter -> should not happen
            break;
        case OfferExchange::eOK:
//.........这里部分代码省略.........