示例#1
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;
}
示例#2
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;
}