Exemplo n.º 1
0
void BudgetBalancer::processItem(LedgerBudget const& budget)
{
   // if there is a budget period, process recorded items until we are within
   // range of this budget command
   advancePeriodToDate(budget.date());

   // if the current period started before today, or if it already has recorded
   // commands, then end the period today and process what we have
   if (m_period.startDate() != budget.date() || m_numRecords != 0)
   {
      m_period = DateRange(m_period.startDate(), budget.date());
      allocateCategories();
      processRecords();
   }

   // remove categories that are not in this budget command, or that have
   // changed, and allocate their funds to the available category
   auto categories = budget.categories();
   for (auto it = m_categories.cbegin(); it != m_categories.cend(); ++it)
   {
      if (!categories.contains(it.key()) ||
          categories[it.key()].type != it->type)
      {
         switch (it->type)
         {
            case LedgerBudget::Category::Type::GOAL:
               // nothing to do for goals
               break;
            case LedgerBudget::Category::Type::INCOME:
               // nothing to do for income type
               break;
            case LedgerBudget::Category::Type::RESERVE_AMOUNT:
            {
               Currency amount = m_reserveAmountAllocator.deallocate(it.key());
               if (!amount.isZero())
               {
                  emit message(budget,
                               QString("Reserve category '%1' was closed with "
                                       "a balance of %2.  Those funds are "
                                       "available again.")
                               .arg(it.key())
                               .arg(amount.toString()));
               }
               m_available += amount;
               break;
            }
            case LedgerBudget::Category::Type::RESERVE_PERCENT:
            {
               Currency amount = m_reservePercentAllocator.deallocate(it.key());
               if (!amount.isZero())
               {
                  emit message(budget,
                               QString("Reserve category '%1' was closed with "
                                       "a balance of %2.  Those funds are "
                                       "available again.")
                               .arg(it.key())
                               .arg(amount.toString()));
               }
               m_available += amount;
               break;
            }
            case LedgerBudget::Category::Type::ROUTINE:
               m_routineAllocator.deallocate(it.key());
               break;
         }
      }
   }

   // configure new and changed budget categories
   for (auto it = categories.cbegin(); it != categories.cend(); ++it)
   {
      switch (it->type)
      {
         case LedgerBudget::Category::Type::GOAL:
            m_goalAllocator.budget(budget.date());
            break;
         case LedgerBudget::Category::Type::INCOME:
            // nothing to do for income
            break;
         case LedgerBudget::Category::Type::RESERVE_AMOUNT:
            m_reserveAmountAllocator.budget(budget.date(), it.key(), it->amount,
                                            it->interval);
            break;
         case LedgerBudget::Category::Type::RESERVE_PERCENT:
            m_reservePercentAllocator.budget(it.key(), it->percentage);
            break;
         case LedgerBudget::Category::Type::ROUTINE:
            // nothing to do for routine expenses
            break;
      }
   }
   m_categories = categories;

   // reset the dates for the new period
   m_period = DateRange(budget.date(), budget.interval());
}
Exemplo n.º 2
0
// This interface is deprecated.
Json::Value doRipplePathFind (RPC::Context& context)
{
    RPC::LegacyPathFind lpf (context.role == Role::ADMIN);
    if (!lpf.isOk ())
        return rpcError (rpcTOO_BUSY);

    context.loadType = Resource::feeHighBurdenRPC;

    RippleAddress raSrc;
    RippleAddress raDst;
    STAmount saDstAmount;
    Ledger::pointer lpLedger;

    Json::Value jvResult;

    if (getConfig().RUN_STANDALONE ||
        context.params.isMember(jss::ledger) ||
        context.params.isMember(jss::ledger_index) ||
        context.params.isMember(jss::ledger_hash))
    {
        // The caller specified a ledger
        jvResult = RPC::lookupLedger (
            context.params, lpLedger, context.netOps);
        if (!lpLedger)
            return jvResult;
    }

    if (!context.params.isMember ("source_account"))
    {
        jvResult = rpcError (rpcSRC_ACT_MISSING);
    }
    else if (!context.params["source_account"].isString ()
             || !raSrc.setAccountID (
                 context.params["source_account"].asString ()))
    {
        jvResult = rpcError (rpcSRC_ACT_MALFORMED);
    }
    else if (!context.params.isMember ("destination_account"))
    {
        jvResult = rpcError (rpcDST_ACT_MISSING);
    }
    else if (!context.params["destination_account"].isString ()
             || !raDst.setAccountID (
                 context.params["destination_account"].asString ()))
    {
        jvResult = rpcError (rpcDST_ACT_MALFORMED);
    }
    else if (
        // Parse saDstAmount.
        !context.params.isMember ("destination_amount")
        || ! amountFromJsonNoThrow(saDstAmount, context.params["destination_amount"])
        || saDstAmount <= zero
        || (!isXRP(saDstAmount.getCurrency ())
            && (!saDstAmount.getIssuer () ||
                noAccount() == saDstAmount.getIssuer ())))
    {
        WriteLog (lsINFO, RPCHandler) << "Bad destination_amount.";
        jvResult    = rpcError (rpcINVALID_PARAMS);
    }
    else if (
        // Checks on source_currencies.
        context.params.isMember ("source_currencies")
        && (!context.params["source_currencies"].isArray ()
            || !context.params["source_currencies"].size ())
        // Don't allow empty currencies.
    )
    {
        WriteLog (lsINFO, RPCHandler) << "Bad source_currencies.";
        jvResult    = rpcError (rpcINVALID_PARAMS);
    }
    else
    {
        context.loadType = Resource::feeHighBurdenRPC;
        RippleLineCache::pointer cache;

        if (lpLedger)
        {
            // The caller specified a ledger
            lpLedger = std::make_shared<Ledger> (std::ref (*lpLedger), false);
            cache = std::make_shared<RippleLineCache>(lpLedger);
        }
        else
        {
            // The closed ledger is recent and any nodes made resident
            // have the best chance to persist
            lpLedger = context.netOps.getClosedLedger();
            cache = getApp().getPathRequests().getLineCache(lpLedger, false);
        }

        Json::Value     jvSrcCurrencies;

        if (context.params.isMember ("source_currencies"))
        {
            jvSrcCurrencies = context.params["source_currencies"];
        }
        else
        {
            auto currencies = accountSourceCurrencies (raSrc, cache, true);
            jvSrcCurrencies = Json::Value (Json::arrayValue);

            for (auto const& uCurrency: currencies)
            {
                Json::Value jvCurrency (Json::objectValue);
                jvCurrency["currency"] = to_string(uCurrency);
                jvSrcCurrencies.append (jvCurrency);
            }
        }

        // Fill in currencies destination will accept
        Json::Value jvDestCur (Json::arrayValue);

        // TODO(tom): this could be optimized the same way that
        // PathRequest::doUpdate() is - if we don't obsolete this code first.
        auto usDestCurrID = accountDestCurrencies (raDst, cache, true);
        for (auto const& uCurrency: usDestCurrID)
                jvDestCur.append (to_string (uCurrency));

        jvResult["destination_currencies"] = jvDestCur;
        jvResult["destination_account"] = raDst.humanAccountID ();

        Json::Value jvArray (Json::arrayValue);

        int level = getConfig().PATH_SEARCH_OLD;
        if ((getConfig().PATH_SEARCH_MAX > level)
            && !getApp().getFeeTrack().isLoadedLocal())
        {
            ++level;
        }

        if (context.params.isMember("search_depth")
            && context.params["search_depth"].isIntegral())
        {
            int rLev = context.params["search_depth"].asInt ();
            if ((rLev < level) || (context.role == Role::ADMIN))
                level = rLev;
        }

        FindPaths fp (
            cache,
            raSrc.getAccountID(),
            raDst.getAccountID(),
            saDstAmount,
            level,
            4); // max paths

        for (unsigned int i = 0; i != jvSrcCurrencies.size (); ++i)
        {
            Json::Value jvSource        = jvSrcCurrencies[i];

            Currency uSrcCurrencyID;
            Account uSrcIssuerID;

            if (!jvSource.isObject ())
                return rpcError (rpcINVALID_PARAMS);

            // Parse mandatory currency.
            if (!jvSource.isMember ("currency")
                || !to_currency (
                    uSrcCurrencyID, jvSource["currency"].asString ()))
            {
                WriteLog (lsINFO, RPCHandler) << "Bad currency.";

                return rpcError (rpcSRC_CUR_MALFORMED);
            }

            if (uSrcCurrencyID.isNonZero ())
                uSrcIssuerID = raSrc.getAccountID ();

            // Parse optional issuer.
            if (jvSource.isMember ("issuer") &&
                ((!jvSource["issuer"].isString () ||
                  !to_issuer (uSrcIssuerID, jvSource["issuer"].asString ())) ||
                 (uSrcIssuerID.isZero () != uSrcCurrencyID.isZero ()) ||
                 (noAccount() == uSrcIssuerID)))
            {
                WriteLog (lsINFO, RPCHandler) << "Bad issuer.";
                return rpcError (rpcSRC_ISR_MALFORMED);
            }

            STPathSet spsComputed;
            if (context.params.isMember("paths"))
            {
                Json::Value pathSet = Json::objectValue;
                pathSet["Paths"] = context.params["paths"];
                STParsedJSONObject paths ("pathSet", pathSet);
                if (paths.object.get() == nullptr)
                    return paths.error;
                else
                {
                    spsComputed = paths.object.get()->getFieldPathSet (sfPaths);
                    WriteLog (lsTRACE, RPCHandler) << "ripple_path_find: Paths: " << spsComputed.getJson (0);
                }
            }

            STPath fullLiquidityPath;
            auto valid = fp.findPathsForIssue (
                {uSrcCurrencyID, uSrcIssuerID},
                spsComputed,
                fullLiquidityPath);
            if (!valid)
            {
                WriteLog (lsWARNING, RPCHandler)
                    << "ripple_path_find: No paths found.";
            }
            else
            {
                auto& issuer =
                    isXRP (uSrcIssuerID) ?
                        isXRP (uSrcCurrencyID) ? // Default to source account.
                            xrpAccount() :
                            Account (raSrc.getAccountID ())
                        : uSrcIssuerID;            // Use specifed issuer.

                STAmount saMaxAmount ({uSrcCurrencyID, issuer}, 1);
                saMaxAmount.negate ();

                LedgerEntrySet lesSandbox (lpLedger, tapNONE);

                auto rc = path::RippleCalc::rippleCalculate (
                    lesSandbox,
                    saMaxAmount,            // --> Amount to send is unlimited
                                            //     to get an estimate.
                    saDstAmount,            // --> Amount to deliver.
                    raDst.getAccountID (),  // --> Account to deliver to.
                    raSrc.getAccountID (),  // --> Account sending from.
                    spsComputed);           // --> Path set.

                WriteLog (lsWARNING, RPCHandler)
                    << "ripple_path_find:"
                    << " saMaxAmount=" << saMaxAmount
                    << " saDstAmount=" << saDstAmount
                    << " saMaxAmountAct=" << rc.actualAmountIn
                    << " saDstAmountAct=" << rc.actualAmountOut;

                if (fullLiquidityPath.size() > 0 &&
                    (rc.result() == terNO_LINE || rc.result() == tecPATH_PARTIAL))
                {
                    WriteLog (lsDEBUG, PathRequest)
                        << "Trying with an extra path element";

                    spsComputed.push_back (fullLiquidityPath);
                    lesSandbox.clear ();
                    rc = path::RippleCalc::rippleCalculate (
                        lesSandbox,
                        saMaxAmount,            // --> Amount to send is unlimited
                        //     to get an estimate.
                        saDstAmount,            // --> Amount to deliver.
                        raDst.getAccountID (),  // --> Account to deliver to.
                        raSrc.getAccountID (),  // --> Account sending from.
                        spsComputed);         // --> Path set.
                    WriteLog (lsDEBUG, PathRequest)
                        << "Extra path element gives "
                        << transHuman (rc.result ());
                }

                if (rc.result () == tesSUCCESS)
                {
                    Json::Value jvEntry (Json::objectValue);

                    STPathSet   spsCanonical;

                    // Reuse the expanded as it would need to be calcuated
                    // anyway to produce the canonical.  (At least unless we
                    // make a direct canonical.)

                    jvEntry["source_amount"] = rc.actualAmountIn.getJson (0);
                    jvEntry["paths_canonical"]  = Json::arrayValue;
                    jvEntry["paths_computed"]   = spsComputed.getJson (0);

                    jvArray.append (jvEntry);
                }
                else
                {
                    std::string strToken;
                    std::string strHuman;

                    transResultInfo (rc.result (), strToken, strHuman);

                    WriteLog (lsDEBUG, RPCHandler)
                        << "ripple_path_find: "
                        << strToken << " "
                        << strHuman << " "
                        << spsComputed.getJson (0);
                }
            }
        }

        // Each alternative differs by source currency.
        jvResult["alternatives"] = jvArray;
    }

    WriteLog (lsDEBUG, RPCHandler)
            << boost::str (boost::format ("ripple_path_find< %s")
                           % jvResult);

    return jvResult;
}
Exemplo n.º 3
0
int PathRequest::parseJson (const Json::Value& jvParams, bool complete)
{
    int ret = PFR_PJ_NOCHANGE;

    if (jvParams.isMember ("source_account"))
    {
        if (!raSrcAccount.setAccountID (jvParams["source_account"].asString ()))
        {
            jvStatus = rpcError (rpcSRC_ACT_MALFORMED);
            return PFR_PJ_INVALID;
        }
    }
    else if (complete)
    {
        jvStatus = rpcError (rpcSRC_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (jvParams.isMember ("destination_account"))
    {
        if (!raDstAccount.setAccountID (jvParams["destination_account"].asString ()))
        {
            jvStatus = rpcError (rpcDST_ACT_MALFORMED);
            return PFR_PJ_INVALID;
        }
    }
    else if (complete)
    {
        jvStatus = rpcError (rpcDST_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (jvParams.isMember ("destination_amount"))
    {
        if (!saDstAmount.bSetJson (jvParams["destination_amount"]) ||
                (saDstAmount.getCurrency ().isZero () && saDstAmount.getIssuer ().isNonZero ()) ||
                (saDstAmount.getCurrency () == badCurrency()) ||
                saDstAmount <= zero)
        {
            jvStatus = rpcError (rpcDST_AMT_MALFORMED);
            return PFR_PJ_INVALID;
        }
    }
    else if (complete)
    {
        jvStatus = rpcError (rpcDST_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (jvParams.isMember ("source_currencies"))
    {
        const Json::Value& jvSrcCur = jvParams["source_currencies"];

        if (!jvSrcCur.isArray ())
        {
            jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
            return PFR_PJ_INVALID;
        }

        sciSourceCurrencies.clear ();

        for (unsigned i = 0; i < jvSrcCur.size (); ++i)
        {
            const Json::Value& jvCur = jvSrcCur[i];
            Currency uCur;
            Account uIss;

            if (!jvCur.isObject() || !jvCur.isMember ("currency") ||
                !to_currency (uCur, jvCur["currency"].asString ()))
            {
                jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
                return PFR_PJ_INVALID;
            }

            if (jvCur.isMember ("issuer") &&
                !to_issuer (uIss, jvCur["issuer"].asString ()))
            {
                jvStatus = rpcError (rpcSRC_ISR_MALFORMED);
            }

            if (uCur.isZero () && uIss.isNonZero ())
            {
                jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
                return PFR_PJ_INVALID;
            }

            sciSourceCurrencies.insert ({uCur, uIss});
        }
    }

    if (jvParams.isMember ("id"))
        jvId = jvParams["id"];

    return ret;
}
Exemplo n.º 4
0
int PathRequest::parseJson (Json::Value const& jvParams)
{
    if (! jvParams.isMember(jss::source_account))
    {
        jvStatus = rpcError(rpcSRC_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (! jvParams.isMember(jss::destination_account))
    {
        jvStatus = rpcError(rpcDST_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (! jvParams.isMember(jss::destination_amount))
    {
        jvStatus = rpcError(rpcDST_AMT_MISSING);
        return PFR_PJ_INVALID;
    }

    raSrcAccount = parseBase58<AccountID>(
        jvParams[jss::source_account].asString());
    if (! raSrcAccount)
    {
        jvStatus = rpcError (rpcSRC_ACT_MALFORMED);
        return PFR_PJ_INVALID;
    }

    raDstAccount = parseBase58<AccountID>(
        jvParams[jss::destination_account].asString());
    if (! raDstAccount)
    {
        jvStatus = rpcError (rpcDST_ACT_MALFORMED);
        return PFR_PJ_INVALID;
    }

    if (! amountFromJsonNoThrow (
        saDstAmount, jvParams[jss::destination_amount]))
    {
        jvStatus = rpcError (rpcDST_AMT_MALFORMED);
        return PFR_PJ_INVALID;
    }

    convert_all_ = saDstAmount == STAmount(saDstAmount.issue(), 1u, 0, true);

    if ((saDstAmount.getCurrency ().isZero () &&
            saDstAmount.getIssuer ().isNonZero ()) ||
        (saDstAmount.getCurrency () == badCurrency ()) ||
        (! convert_all_ && saDstAmount <= zero))
    {
        jvStatus = rpcError (rpcDST_AMT_MALFORMED);
        return PFR_PJ_INVALID;
    }

    if (jvParams.isMember(jss::send_max))
    {
        // Send_max requires destination amount to be -1.
        if (! convert_all_)
        {
            jvStatus = rpcError(rpcDST_AMT_MALFORMED);
            return PFR_PJ_INVALID;
        }

        saSendMax.emplace();
        if (! amountFromJsonNoThrow(
            *saSendMax, jvParams[jss::send_max]) ||
            (saSendMax->getCurrency().isZero() &&
                saSendMax->getIssuer().isNonZero()) ||
            (saSendMax->getCurrency() == badCurrency()) ||
            (*saSendMax <= zero &&
                *saSendMax != STAmount(saSendMax->issue(), 1u, 0, true)))
        {
            jvStatus = rpcError(rpcSENDMAX_MALFORMED);
            return PFR_PJ_INVALID;
        }
    }

    if (jvParams.isMember (jss::source_currencies))
    {
        Json::Value const& jvSrcCurrencies = jvParams[jss::source_currencies];
        if (! jvSrcCurrencies.isArray() || jvSrcCurrencies.size() == 0 ||
            jvSrcCurrencies.size() > RPC::Tuning::max_src_cur)
        {
            jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
            return PFR_PJ_INVALID;
        }

        sciSourceCurrencies.clear ();

        for (auto const& c : jvSrcCurrencies)
        {
            // Mandatory currency
            Currency srcCurrencyID;
            if (! c.isObject() ||
                ! c.isMember(jss::currency) ||
                ! to_currency(srcCurrencyID, c[jss::currency].asString()))
            {
                jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
                return PFR_PJ_INVALID;
            }

            // Optional issuer
            AccountID srcIssuerID;
            if (c.isMember (jss::issuer) &&
                (! c[jss::issuer].isString() ||
                    ! to_issuer(srcIssuerID, c[jss::issuer].asString())))
            {
                jvStatus = rpcError (rpcSRC_ISR_MALFORMED);
                return PFR_PJ_INVALID;
            }

            if (srcCurrencyID.isZero())
            {
                if (srcIssuerID.isNonZero())
                {
                    jvStatus = rpcError(rpcSRC_CUR_MALFORMED);
                    return PFR_PJ_INVALID;
                }
            }
            else if (srcIssuerID.isZero())
            {
                srcIssuerID = *raSrcAccount;
            }

            if (saSendMax)
            {
                // If the currencies don't match, ignore the source currency.
                if (srcCurrencyID == saSendMax->getCurrency())
                {
                    // If neither is the source and they are not equal, then the
                    // source issuer is illegal.
                    if (srcIssuerID != *raSrcAccount &&
                        saSendMax->getIssuer() != *raSrcAccount &&
                            srcIssuerID != saSendMax->getIssuer())
                    {
                        jvStatus = rpcError (rpcSRC_ISR_MALFORMED);
                        return PFR_PJ_INVALID;
                    }

                    // If both are the source, use the source.
                    // Otherwise, use the one that's not the source.
                    if (srcIssuerID != *raSrcAccount)
                    {
                        sciSourceCurrencies.insert(
                            {srcCurrencyID, srcIssuerID});
                    }
                    else if (saSendMax->getIssuer() != *raSrcAccount)
                    {
                        sciSourceCurrencies.insert(
                            {srcCurrencyID, saSendMax->getIssuer()});
                    }
                    else
                    {
                        sciSourceCurrencies.insert(
                            {srcCurrencyID, *raSrcAccount});
                    }
                }
            }
            else
            {
                sciSourceCurrencies.insert({srcCurrencyID, srcIssuerID});
            }
        }
    }

    if (jvParams.isMember ("id"))
        jvId = jvParams["id"];

    return PFR_PJ_NOCHANGE;
}
Exemplo n.º 5
0
std::pair<bool, Json::Value>
ripplePathFind(RippleLineCache::pointer const& cache, 
  RippleAddress const& raSrc, RippleAddress const& raDst,
    STAmount const& saDstAmount, Ledger::pointer const& lpLedger, 
      Json::Value const& jvSrcCurrencies, 
        boost::optional<Json::Value> const& contextPaths, int const& level)
{
    FindPaths fp(
        cache,
        raSrc.getAccountID(),
        raDst.getAccountID(),
        saDstAmount,
        level,
        4); // max paths

    Json::Value jvArray(Json::arrayValue);

    for (unsigned int i = 0; i != jvSrcCurrencies.size(); ++i)
    {
        Json::Value jvSource = jvSrcCurrencies[i];

        Currency uSrcCurrencyID;
        Account uSrcIssuerID;

        if (!jvSource.isObject())
            return std::make_pair(false, rpcError(rpcINVALID_PARAMS));

        // Parse mandatory currency.
        if (!jvSource.isMember(jss::currency)
            || !to_currency(
            uSrcCurrencyID, jvSource[jss::currency].asString()))
        {
            WriteLog(lsINFO, RPCHandler) << "Bad currency.";

            return std::make_pair(false, rpcError(rpcSRC_CUR_MALFORMED));
        }

        if (uSrcCurrencyID.isNonZero())
            uSrcIssuerID = raSrc.getAccountID();

        // Parse optional issuer.
        if (jvSource.isMember(jss::issuer) &&
            ((!jvSource[jss::issuer].isString() ||
            !to_issuer(uSrcIssuerID, jvSource[jss::issuer].asString())) ||
            (uSrcIssuerID.isZero() != uSrcCurrencyID.isZero()) ||
            (noAccount() == uSrcIssuerID)))
        {
            WriteLog(lsINFO, RPCHandler) << "Bad issuer.";
            return std::make_pair(false, rpcError(rpcSRC_ISR_MALFORMED));
        }

        STPathSet spsComputed;
        if (contextPaths)
        {
            Json::Value pathSet = Json::objectValue;
            pathSet[jss::Paths] = contextPaths.get();
            STParsedJSONObject paths("pathSet", pathSet);
            if (paths.object.get() == nullptr)
                return std::make_pair(false, paths.error);
            else
            {
                spsComputed = paths.object.get()->getFieldPathSet(sfPaths);
                WriteLog(lsTRACE, RPCHandler) << "ripple_path_find: Paths: " <<
                    spsComputed.getJson(0);
            }
        }

        STPath fullLiquidityPath;
        auto valid = fp.findPathsForIssue(
            { uSrcCurrencyID, uSrcIssuerID },
            spsComputed,
            fullLiquidityPath);
        if (!valid)
        {
            WriteLog(lsWARNING, RPCHandler)
                << "ripple_path_find: No paths found.";
        }
        else
        {
            auto& issuer =
                isXRP(uSrcIssuerID) ?
                isXRP(uSrcCurrencyID) ? // Default to source account.
                xrpAccount() :
                Account(raSrc.getAccountID())
                : uSrcIssuerID;            // Use specifed issuer.

            STAmount saMaxAmount({ uSrcCurrencyID, issuer }, 1);
            saMaxAmount.negate();

            LedgerEntrySet lesSandbox(lpLedger, tapNONE);

            auto rc = path::RippleCalc::rippleCalculate(
                lesSandbox,
                saMaxAmount,            // --> Amount to send is unlimited
                //     to get an estimate.
                saDstAmount,            // --> Amount to deliver.
                raDst.getAccountID(),  // --> Account to deliver to.
                raSrc.getAccountID(),  // --> Account sending from.
                spsComputed);           // --> Path set.

            WriteLog(lsWARNING, RPCHandler)
                << "ripple_path_find:"
                << " saMaxAmount=" << saMaxAmount
                << " saDstAmount=" << saDstAmount
                << " saMaxAmountAct=" << rc.actualAmountIn
                << " saDstAmountAct=" << rc.actualAmountOut;

            if (fullLiquidityPath.size() > 0 &&
                (rc.result() == terNO_LINE || rc.result() == tecPATH_PARTIAL))
            {
                WriteLog(lsDEBUG, PathRequest)
                    << "Trying with an extra path element";

                spsComputed.push_back(fullLiquidityPath);
                lesSandbox.clear();
                rc = path::RippleCalc::rippleCalculate(
                    lesSandbox,
                    saMaxAmount,            // --> Amount to send is unlimited
                    //     to get an estimate.
                    saDstAmount,            // --> Amount to deliver.
                    raDst.getAccountID(),  // --> Account to deliver to.
                    raSrc.getAccountID(),  // --> Account sending from.
                    spsComputed);         // --> Path set.
                WriteLog(lsDEBUG, PathRequest)
                    << "Extra path element gives "
                    << transHuman(rc.result());
            }

            if (rc.result() == tesSUCCESS)
            {
                Json::Value jvEntry(Json::objectValue);

                STPathSet   spsCanonical;

                // Reuse the expanded as it would need to be calcuated
                // anyway to produce the canonical.  (At least unless we
                // make a direct canonical.)

                jvEntry[jss::source_amount] = rc.actualAmountIn.getJson(0);
                jvEntry[jss::paths_canonical] = Json::arrayValue;
                jvEntry[jss::paths_computed] = spsComputed.getJson(0);

                jvArray.append(jvEntry);
            }
            else
            {
                std::string strToken;
                std::string strHuman;

                transResultInfo(rc.result(), strToken, strHuman);

                WriteLog(lsDEBUG, RPCHandler)
                    << "ripple_path_find: "
                    << strToken << " "
                    << strHuman << " "
                    << spsComputed.getJson(0);
            }
        }
    }

    return std::make_pair(true, jvArray);
}
Exemplo n.º 6
0
int PathRequest::parseJson (Json::Value const& jvParams, bool complete)
{
    int ret = PFR_PJ_NOCHANGE;

    if (jvParams.isMember (jss::source_account))
    {
        raSrcAccount = parseBase58<AccountID>(
            jvParams[jss::source_account].asString());
        if (! raSrcAccount)
        {
            jvStatus = rpcError (rpcSRC_ACT_MALFORMED);
            return PFR_PJ_INVALID;
        }
    }
    else if (complete)
    {
        jvStatus = rpcError (rpcSRC_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (jvParams.isMember (jss::destination_account))
    {
        raDstAccount = parseBase58<AccountID>(
            jvParams[jss::destination_account].asString());
        if (! raDstAccount)
        {
            jvStatus = rpcError (rpcDST_ACT_MALFORMED);
            return PFR_PJ_INVALID;
        }
    }
    else if (complete)
    {
        jvStatus = rpcError (rpcDST_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (jvParams.isMember (jss::destination_amount))
    {
        if (! amountFromJsonNoThrow (
                saDstAmount, jvParams[jss::destination_amount]) ||
            (saDstAmount.getCurrency ().isZero () &&
             saDstAmount.getIssuer ().isNonZero ()) ||
            (saDstAmount.getCurrency () == badCurrency ()) ||
            saDstAmount <= zero)
        {
            jvStatus = rpcError (rpcDST_AMT_MALFORMED);
            return PFR_PJ_INVALID;
        }
    }
    else if (complete)
    {
        jvStatus = rpcError (rpcDST_ACT_MISSING);
        return PFR_PJ_INVALID;
    }

    if (jvParams.isMember (jss::source_currencies))
    {
        Json::Value const& jvSrcCur = jvParams[jss::source_currencies];

        if (!jvSrcCur.isArray ())
        {
            jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
            return PFR_PJ_INVALID;
        }

        sciSourceCurrencies.clear ();

        for (unsigned i = 0; i < jvSrcCur.size (); ++i)
        {
            Json::Value const& jvCur = jvSrcCur[i];
            Currency uCur;
            AccountID uIss;

            if (!jvCur.isObject() || !jvCur.isMember (jss::currency) ||
                !to_currency (uCur, jvCur[jss::currency].asString ()))
            {
                jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
                return PFR_PJ_INVALID;
            }

            if (jvCur.isMember (jss::issuer) &&
                !to_issuer (uIss, jvCur[jss::issuer].asString ()))
            {
                jvStatus = rpcError (rpcSRC_ISR_MALFORMED);
            }

            if (uCur.isZero () && uIss.isNonZero ())
            {
                jvStatus = rpcError (rpcSRC_CUR_MALFORMED);
                return PFR_PJ_INVALID;
            }

            if (uCur.isNonZero() && uIss.isZero())
            {
                uIss = *raSrcAccount;
            }

            sciSourceCurrencies.insert ({uCur, uIss});
        }
    }

    if (jvParams.isMember ("id"))
        jvId = jvParams["id"];

    return ret;
}