// {
// account: <account>|<account_public_key>
// 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);
std::shared_ptr<ReadView const> ledger;
auto result = RPC::lookupLedger (ledger, context);
if (! ledger)
return result;
std::string strIdent (params[jss::account].asString ());
AccountID accountID;
// Intentional assignment in if. Extra parentheses silence warning.
if ((result = RPC::accountFromString (accountID, strIdent)))
return result;
if (! ledger->exists(keylet::account (accountID)))
return rpcError (rpcACT_NOT_FOUND);
std::string strPeer;
if (params.isMember (jss::peer))
strPeer = params[jss::peer].asString ();
auto hasPeer = ! strPeer.empty ();
AccountID raPeerAccount;
if (hasPeer)
{
// Intentional assignment in if. Extra parentheses silence warning.
if ((result = RPC::accountFromString (raPeerAccount, strPeer)))
return result;
}
unsigned int limit;
if (auto err = readLimitField(limit, RPC::Tuning::accountLines, context))
return *err;
Json::Value& jsonLines (result[jss::lines] = Json::arrayValue);
VisitData visitData = {{}, accountID, hasPeer, 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 = ledger->read({ltRIPPLE_STATE, startAfter});
if (! sleLine)
return rpcError (rpcINVALID_PARAMS);
if (sleLine->getFieldAmount (sfLowLimit).getIssuer () == accountID)
startHint = sleLine->getFieldU64 (sfLowNode);
else if (sleLine->getFieldAmount (sfHighLimit).getIssuer () == accountID)
startHint = sleLine->getFieldU64 (sfHighNode);
else
return rpcError (rpcINVALID_PARAMS);
// Caller provided the first line (startAfter), add it as first result
auto const line = RippleState::makeItem (accountID, 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, accountID,
startAfter, startHint, reserve,
[&visitData](std::shared_ptr<SLE const> const& sleCur)
{
auto const line =
RippleState::makeItem (visitData.accountID, sleCur);
if (line != nullptr &&
(! visitData.hasPeer ||
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;
RippleState::pointer line (visitData.items.back ());
result[jss::marker] = to_string (line->key());
visitData.items.pop_back ();
}
result[jss::account] = context.app.accountIDCache().toBase58 (accountID);
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 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;
}