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Fix a crash if a client requests an order book snapshot before we have a published ledger.

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This commit is contained in:
JoelKatz
2013-09-29 11:34:07 -07:00
parent 511978b1eb
commit 191e76a558
1 changed files with 16 additions and 13 deletions
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29
src/ripple_app/rpc/RPCHandler.cpp
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@@ -3492,24 +3492,27 @@ Json::Value RPCHandler::doSubscribe (Json::Value params, LoadType* loadType, App
if (bSnapshot) if (bSnapshot)
{ {
Ledger::pointer lpLedger = getApp().getLedgerMaster ().getPublishedLedger (); Ledger::pointer lpLedger = getApp().getLedgerMaster ().getPublishedLedger ();
const Json::Value jvMarker = Json::Value (Json::nullValue); if (lpLedger)
if (bBoth)
{ {
Json::Value jvBids (Json::objectValue); const Json::Value jvMarker = Json::Value (Json::nullValue);
Json::Value jvAsks (Json::objectValue);
mNetOps->getBookPage (lpLedger, uTakerPaysCurrencyID, uTakerPaysIssuerID, uTakerGetsCurrencyID, uTakerGetsIssuerID, raTakerID.getAccountID (), false, 0, jvMarker, jvBids); if (bBoth)
{
Json::Value jvBids (Json::objectValue);
Json::Value jvAsks (Json::objectValue);
if (jvBids.isMember ("offers")) jvResult["bids"] = jvBids["offers"]; mNetOps->getBookPage (lpLedger, uTakerPaysCurrencyID, uTakerPaysIssuerID, uTakerGetsCurrencyID, uTakerGetsIssuerID, raTakerID.getAccountID (), false, 0, jvMarker, jvBids);
mNetOps->getBookPage (lpLedger, uTakerGetsCurrencyID, uTakerGetsIssuerID, uTakerPaysCurrencyID, uTakerPaysIssuerID, raTakerID.getAccountID (), false, 0, jvMarker, jvAsks); if (jvBids.isMember ("offers")) jvResult["bids"] = jvBids["offers"];
if (jvAsks.isMember ("offers")) jvResult["asks"] = jvAsks["offers"]; mNetOps->getBookPage (lpLedger, uTakerGetsCurrencyID, uTakerGetsIssuerID, uTakerPaysCurrencyID, uTakerPaysIssuerID, raTakerID.getAccountID (), false, 0, jvMarker, jvAsks);
}
else if (jvAsks.isMember ("offers")) jvResult["asks"] = jvAsks["offers"];
{ }
mNetOps->getBookPage (lpLedger, uTakerPaysCurrencyID, uTakerPaysIssuerID, uTakerGetsCurrencyID, uTakerGetsIssuerID, raTakerID.getAccountID (), false, 0, jvMarker, jvResult); else
{
mNetOps->getBookPage (lpLedger, uTakerPaysCurrencyID, uTakerPaysIssuerID, uTakerGetsCurrencyID, uTakerGetsIssuerID, raTakerID.getAccountID (), false, 0, jvMarker, jvResult);
}
} }
} }
} }