Json::Value doAccountObjects (RPC::Context& context)
{
auto const& params = context.params;
if (! params.isMember (jss::account))
return RPC::missing_field_error (jss::account);
Ledger::pointer ledger;
auto result = RPC::lookupLedger (params, ledger, context.netOps);
if (ledger == nullptr)
return result;
DivvyAddress raAccount;
{
bool bIndex;
auto const strIdent = params[jss::account].asString ();
auto iIndex = context.params.isMember (jss::account_index)
? context.params[jss::account_index].asUInt () : 0;
auto jv = RPC::accountFromString (
raAccount, bIndex, strIdent, iIndex, false);
if (! jv.empty ())
{
for (auto it = jv.begin (); it != jv.end (); ++it)
result[it.memberName ()] = it.key ();
return result;
}
}
if (! ledger->exists(getAccountRootIndex(
raAccount.getAccountID())))
return rpcError (rpcACT_NOT_FOUND);
auto type = ltINVALID;
if (params.isMember (jss::type))
{
using filter_types = std::vector <std::pair <std::string, LedgerEntryType>>;
static
beast::static_initializer <filter_types> const types ([]() -> filter_types {
return {
{ "account", ltACCOUNT_ROOT },
{ "amendments", ltAMENDMENTS },
{ "directory", ltDIR_NODE },
{ "fee", ltFEE_SETTINGS },
{ "hashes", ltLEDGER_HASHES },
{ "offer", ltOFFER },
{ "state", ltRIPPLE_STATE },
{ "ticket", ltTICKET }
};
}());
auto const& p = params[jss::type];
if (! p.isString ())
return RPC::expected_field_error (jss::type, "string");
auto const filter = p.asString ();
auto iter = std::find_if (types->begin (), types->end (),
[&filter](decltype (types->front ())& t)
{ return t.first == filter; });
if (iter == types->end ())
return RPC::invalid_field_error (jss::type);
type = iter->second;
}
auto limit = RPC::Tuning::defaultObjectsPerRequest;
if (params.isMember (jss::limit))
{
auto const& jvLimit = params[jss::limit];
if (! jvLimit.isIntegral ())
return RPC::expected_field_error (jss::limit, "unsigned integer");
limit = jvLimit.isUInt () ? jvLimit.asUInt () :
std::max (0, jvLimit.asInt ());
if (context.role != Role::ADMIN)
{
limit = std::max (RPC::Tuning::minObjectsPerRequest,
std::min (limit, RPC::Tuning::maxObjectsPerRequest));
}
}
uint256 dirIndex;
uint256 entryIndex;
if (params.isMember (jss::marker))
{
auto const& marker = params[jss::marker];
if (! marker.isString ())
return RPC::expected_field_error (jss::marker, "string");
std::stringstream ss (marker.asString ());
std::string s;
if (!std::getline(ss, s, ','))
return RPC::invalid_field_error (jss::marker);
if (! dirIndex.SetHex (s))
return RPC::invalid_field_error (jss::marker);
if (! std::getline (ss, s, ','))
return RPC::invalid_field_error (jss::marker);
if (! entryIndex.SetHex (s))
return RPC::invalid_field_error (jss::marker);
}
if (! RPC::getAccountObjects (*ledger, raAccount.getAccountID (), type,
dirIndex, entryIndex, limit, result))
{
return RPC::invalid_field_error (jss::marker);
}
result[jss::account] = raAccount.humanAccountID ();
context.loadType = Resource::feeMediumBurdenRPC;
return result;
}
// {
// account: <account>|<account_public_key>
// account_index: <number> // optional, defaults to 0.
// ledger_hash : <ledger>
// ledger_index : <ledger_index>
// limit: integer // optional
// marker: opaque // optional, resume previous query
// }
Json::Value doAccountLines (RPC::Context& context)
{
auto const& params (context.params);
if (! params.isMember (jss::account))
return RPC::missing_field_error (jss::account);
Ledger::pointer ledger;
Json::Value result (RPC::lookupLedger (params, ledger, context.netOps));
if (! ledger)
return result;
std::string strIdent (params[jss::account].asString ());
bool bIndex (params.isMember (jss::account_index));
int iIndex (bIndex ? params[jss::account_index].asUInt () : 0);
DivvyAddress divvyAddress;
auto jv = RPC::accountFromString (
divvyAddress, bIndex, strIdent, iIndex, false);
if (! jv.empty ())
{
for (auto it = jv.begin (); it != jv.end (); ++it)
result[it.memberName ()] = it.key ();
return result;
}
if (! ledger->exists(getAccountRootIndex(
divvyAddress.getAccountID())))
return rpcError (rpcACT_NOT_FOUND);
std::string strPeer (params.isMember (jss::peer)
? params[jss::peer].asString () : "");
bool bPeerIndex (params.isMember (jss::peer_index));
int iPeerIndex (bIndex ? params[jss::peer_index].asUInt () : 0);
DivvyAddress divvyAddressPeer;
if (! strPeer.empty ())
{
result[jss::peer] = divvyAddress.humanAccountID ();
if (bPeerIndex)
result[jss::peer_index] = iPeerIndex;
result = RPC::accountFromString (
divvyAddressPeer, bPeerIndex, strPeer, iPeerIndex, false);
if (! result.empty ())
return result;
}
AccountID raPeerAccount;
if (divvyAddressPeer.isValid ())
raPeerAccount = divvyAddressPeer.getAccountID ();
unsigned int limit;
if (params.isMember (jss::limit))
{
auto const& jvLimit (params[jss::limit]);
if (! jvLimit.isIntegral ())
return RPC::expected_field_error (jss::limit, "unsigned integer");
limit = jvLimit.isUInt () ? jvLimit.asUInt () :
std::max (0, jvLimit.asInt ());
if (context.role != Role::ADMIN)
{
limit = std::max (RPC::Tuning::minLinesPerRequest,
std::min (limit, RPC::Tuning::maxLinesPerRequest));
}
}
else
{
limit = RPC::Tuning::defaultLinesPerRequest;
}
Json::Value& jsonLines (result[jss::lines] = Json::arrayValue);
AccountID const& raAccount(divvyAddress.getAccountID ());
VisitData visitData = { {}, raAccount, divvyAddressPeer, raPeerAccount };
unsigned int reserve (limit);
uint256 startAfter;
std::uint64_t startHint;
if (params.isMember (jss::marker))
{
// We have a start point. Use limit - 1 from the result and use the
// very last one for the resume.
Json::Value const& marker (params[jss::marker]);
if (! marker.isString ())
return RPC::expected_field_error (jss::marker, "string");
startAfter.SetHex (marker.asString ());
auto const sleLine = fetch(*ledger, startAfter,
getApp().getSLECache());
if (sleLine == nullptr || sleLine->getType () != ltRIPPLE_STATE)
return rpcError (rpcINVALID_PARAMS);
if (sleLine->getFieldAmount (sfLowLimit).getIssuer () == raAccount)
startHint = sleLine->getFieldU64 (sfLowNode);
else if (sleLine->getFieldAmount (sfHighLimit).getIssuer () == raAccount)
startHint = sleLine->getFieldU64 (sfHighNode);
else
return rpcError (rpcINVALID_PARAMS);
// Caller provided the first line (startAfter), add it as first result
auto const line = DivvyState::makeItem (raAccount, sleLine);
if (line == nullptr)
return rpcError (rpcINVALID_PARAMS);
addLine (jsonLines, *line);
visitData.items.reserve (reserve);
}
else
{
startHint = 0;
// We have no start point, limit should be one higher than requested.
visitData.items.reserve (++reserve);
}
if (! forEachItemAfter(*ledger, raAccount, getApp().getSLECache(),
startAfter, startHint, reserve,
[&visitData](std::shared_ptr<SLE const> const& sleCur)
{
auto const line =
DivvyState::makeItem (visitData.accountID, sleCur);
if (line != nullptr &&
(! visitData.divvyAddressPeer.isValid () ||
visitData.raPeerAccount == line->getAccountIDPeer ()))
{
visitData.items.emplace_back (line);
return true;
}
return false;
}))
{
return rpcError (rpcINVALID_PARAMS);
}
if (visitData.items.size () == reserve)
{
result[jss::limit] = limit;
DivvyState::pointer line (visitData.items.back ());
result[jss::marker] = to_string (line->key());
visitData.items.pop_back ();
}
result[jss::account] = divvyAddress.humanAccountID ();
for (auto const& item : visitData.items)
addLine (jsonLines, *item.get ());
context.loadType = Resource::feeMediumBurdenRPC;
return result;
}
// {
// account: <account>|<account_public_key>
// account_index: <number> // optional, defaults to 0.
// ledger_hash : <ledger>
// ledger_index : <ledger_index>
// limit: integer // optional
// marker: opaque // optional, resume previous query
// }
Json::Value doAccountOffers (RPC::Context& context)
{
auto const& params (context.params);
if (! params.isMember (jss::account))
return RPC::missing_field_error (jss::account);
Ledger::pointer ledger;
Json::Value result (RPC::lookupLedger (params, ledger, context.netOps));
if (! ledger)
return result;
std::string strIdent (params[jss::account].asString ());
bool bIndex (params.isMember (jss::account_index));
int const iIndex (bIndex ? params[jss::account_index].asUInt () : 0);
DivvyAddress divvyAddress;
Json::Value const jv = RPC::accountFromString (
divvyAddress, bIndex, strIdent, iIndex, false);
if (! jv.empty ())
{
for (Json::Value::const_iterator it (jv.begin ()); it != jv.end (); ++it)
result[it.memberName ()] = it.key ();
return result;
}
// Get info on account.
result[jss::account] = divvyAddress.humanAccountID ();
if (bIndex)
result[jss::account_index] = iIndex;
if (! ledger->exists(getAccountRootIndex(
divvyAddress.getAccountID())))
return rpcError (rpcACT_NOT_FOUND);
unsigned int limit;
if (params.isMember (jss::limit))
{
auto const& jvLimit (params[jss::limit]);
if (! jvLimit.isIntegral ())
return RPC::expected_field_error (jss::limit, "unsigned integer");
limit = jvLimit.isUInt () ? jvLimit.asUInt () :
std::max (0, jvLimit.asInt ());
if (context.role != Role::ADMIN)
{
limit = std::max (RPC::Tuning::minOffersPerRequest,
std::min (limit, RPC::Tuning::maxOffersPerRequest));
}
}
else
{
limit = RPC::Tuning::defaultOffersPerRequest;
}
AccountID const& raAccount (divvyAddress.getAccountID ());
Json::Value& jsonOffers (result[jss::offers] = Json::arrayValue);
std::vector <std::shared_ptr<SLE const>> offers;
unsigned int reserve (limit);
uint256 startAfter;
std::uint64_t startHint;
if (params.isMember(jss::marker))
{
// We have a start point. Use limit - 1 from the result and use the
// very last one for the resume.
Json::Value const& marker (params[jss::marker]);
if (! marker.isString ())
return RPC::expected_field_error (jss::marker, "string");
startAfter.SetHex (marker.asString ());
auto const sleOffer = fetch (*ledger, startAfter,
getApp().getSLECache());
if (sleOffer == nullptr ||
sleOffer->getType () != ltOFFER ||
raAccount != sleOffer->getFieldAccount160 (sfAccount))
{
return rpcError (rpcINVALID_PARAMS);
}
startHint = sleOffer->getFieldU64(sfOwnerNode);
// Caller provided the first offer (startAfter), add it as first result
Json::Value& obj (jsonOffers.append (Json::objectValue));
sleOffer->getFieldAmount (sfTakerPays).setJson (obj[jss::taker_pays]);
sleOffer->getFieldAmount (sfTakerGets).setJson (obj[jss::taker_gets]);
obj[jss::seq] = sleOffer->getFieldU32 (sfSequence);
obj[jss::flags] = sleOffer->getFieldU32 (sfFlags);
offers.reserve (reserve);
}
else
{
startHint = 0;
// We have no start point, limit should be one higher than requested.
offers.reserve (++reserve);
}
if (! forEachItemAfter(*ledger, raAccount, getApp().getSLECache(),
startAfter, startHint, reserve,
[&offers](std::shared_ptr<SLE const> const& offer)
{
if (offer->getType () == ltOFFER)
{
offers.emplace_back (offer);
return true;
}
return false;
}))
{
return rpcError (rpcINVALID_PARAMS);
}
if (offers.size () == reserve)
{
result[jss::limit] = limit;
result[jss::marker] = to_string (offers.back ()->getIndex ());
offers.pop_back ();
}
for (auto const& offer : offers)
{
Json::Value& obj (jsonOffers.append (Json::objectValue));
offer->getFieldAmount (sfTakerPays).setJson (obj[jss::taker_pays]);
offer->getFieldAmount (sfTakerGets).setJson (obj[jss::taker_gets]);
obj[jss::seq] = offer->getFieldU32 (sfSequence);
obj[jss::flags] = offer->getFieldU32 (sfFlags);
}
context.loadType = Resource::feeMediumBurdenRPC;
return result;
}
