// {
// 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>
// ledger_hash : <ledger>
// ledger_index : <ledger_index>
// limit: integer // optional
// marker: opaque // optional, resume previous query
// }
Json::Value doAccountChannels (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;
result = RPC::accountFromString (accountID, strIdent);
if (result)
return result;
if (! ledger->exists(keylet::account (accountID)))
return rpcError (rpcACT_NOT_FOUND);
std::string strDst;
if (params.isMember (jss::destination_account))
strDst = params[jss::destination_account].asString ();
auto hasDst = ! strDst.empty ();
AccountID raDstAccount;
if (hasDst)
{
result = RPC::accountFromString (raDstAccount, strDst);
if (result)
return result;
}
unsigned int limit;
if (auto err = readLimitField(limit, RPC::Tuning::accountChannels, context))
return *err;
Json::Value jsonChannels{Json::arrayValue};
struct VisitData
{
std::vector <std::shared_ptr<SLE const>> items;
AccountID const& accountID;
bool hasDst;
AccountID const& raDstAccount;
};
VisitData visitData = {{}, accountID, hasDst, raDstAccount};
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 sleChannel = ledger->read({ltPAYCHAN, startAfter});
if (! sleChannel)
return rpcError (rpcINVALID_PARAMS);
if (sleChannel->getFieldAmount (sfLowLimit).getIssuer () == accountID)
startHint = sleChannel->getFieldU64 (sfLowNode);
else if (sleChannel->getFieldAmount (sfHighLimit).getIssuer () == accountID)
startHint = sleChannel->getFieldU64 (sfHighNode);
else
return rpcError (rpcINVALID_PARAMS);
addChannel (jsonChannels, *sleChannel);
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)
{
if (sleCur && sleCur->getType () == ltPAYCHAN &&
(! visitData.hasDst ||
visitData.raDstAccount == (*sleCur)[sfDestination]))
{
visitData.items.emplace_back (sleCur);
return true;
}
return false;
}))
{
return rpcError (rpcINVALID_PARAMS);
}
if (visitData.items.size () == reserve)
{
result[jss::limit] = limit;
result[jss::marker] = to_string (visitData.items.back()->key());
visitData.items.pop_back ();
}
result[jss::account] = context.app.accountIDCache().toBase58 (accountID);
for (auto const& item : visitData.items)
addChannel (jsonChannels, *item);
context.loadType = Resource::feeMediumBurdenRPC;
result[jss::channels] = std::move(jsonChannels);
return result;
}
Json::Value doAccountObjects (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 == nullptr)
return result;
AccountID accountID;
{
auto const strIdent = params[jss::account].asString ();
if (auto jv = RPC::accountFromString (accountID, strIdent))
{
for (auto it = jv.begin (); it != jv.end (); ++it)
result[it.memberName ()] = it.key ();
return result;
}
}
if (! ledger->exists(keylet::account (accountID)))
return rpcError (rpcACT_NOT_FOUND);
auto type = ltINVALID;
if (params.isMember (jss::type))
{
static
std::array<std::pair<char const *, LedgerEntryType>, 9> const
types
{{
{ jss::account, ltACCOUNT_ROOT },
{ jss::amendments, ltAMENDMENTS },
{ jss::directory, ltDIR_NODE },
{ jss::fee, ltFEE_SETTINGS },
{ jss::hashes, ltLEDGER_HASHES },
{ jss::offer, ltOFFER },
{ jss::signer_list, ltSIGNER_LIST },
{ jss::state, ltRIPPLE_STATE },
{ jss::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;
}
unsigned int limit;
if (auto err = readLimitField(limit, RPC::Tuning::accountObjects, context))
return *err;
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, accountID, type,
dirIndex, entryIndex, limit, result))
{
result[jss::account_objects] = Json::arrayValue;
}
result[jss::account] = context.app.accountIDCache().toBase58 (accountID);
context.loadType = Resource::feeMediumBurdenRPC;
return result;
}