Json::Value lookupLedger (
std::shared_ptr<ReadView const>& ledger, Context& context)
{
Json::Value result;
if (auto status = lookupLedger (ledger, context, result))
status.inject (result);
return result;
}
Json::Value lookupLedger (
Json::Value const& params,
Ledger::pointer& ledger,
NetworkOPs& netOps)
{
Json::Value value (Json::objectValue);
if (auto status = lookupLedger (params, ledger, netOps, value))
status.inject (value);
return value;
}
Status LedgerHandler::check()
{
auto const& params = context_.params;
bool needsLedger = params.isMember (jss::ledger) ||
params.isMember (jss::ledger_hash) ||
params.isMember (jss::ledger_index);
if (!needsLedger)
return Status::OK;
if (auto s = lookupLedger (ledger_, context_, result_))
return s;
bool bFull = params[jss::full].asBool();
bool bTransactions = params[jss::transactions].asBool();
bool bAccounts = params[jss::accounts].asBool();
bool bExpand = params[jss::expand].asBool();
bool bBinary = params[jss::binary].asBool();
bool const owner_funds = params[jss::owner_funds].asBool();
options_ = (bFull ? LedgerFill::full : 0)
| (bExpand ? LedgerFill::expand : 0)
| (bTransactions ? LedgerFill::dumpTxrp : 0)
| (bAccounts ? LedgerFill::dumpState : 0)
| (bBinary ? LedgerFill::binary : 0)
| (owner_funds ? LedgerFill::ownerFunds : 0);
if (bFull || bAccounts)
{
// Until some sane way to get full ledgers has been implemented,
// disallow retrieving all state nodes.
if (! isUnlimited (context_.role))
return rpcNO_PERMISSION;
if (context_.app.getFeeTrack().isLoadedLocal() &&
!isUnlimited (context_.role))
{
return rpcTOO_BUSY;
}
context_.loadType = bBinary ? Resource::feeMediumBurdenRPC :
Resource::feeHighBurdenRPC;
}
return Status::OK;
}