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This commit is contained in:
Doug Hoyte
2023-01-25 00:26:03 -05:00
parent ec9161ce08
commit 60628d18c3
18 changed files with 446 additions and 91 deletions
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12
src/filters.h
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@ -122,7 +122,7 @@ struct NostrFilter {
bool neverMatch = false;
bool indexOnlyScans = false;
explicit NostrFilter(const tao::json::value &filterObj) {
explicit NostrFilter(const tao::json::value &filterObj, uint64_t maxFilterLimit) {
uint64_t numMajorFields = 0;
for (const auto &[k, v] : filterObj.get_object()) {
@ -166,7 +166,7 @@ struct NostrFilter {
if (tags.size() > 2) throw herr("too many tags in filter"); // O(N^2) in matching, just prohibit it
if (limit > cfg().relay__maxFilterLimit) limit = cfg().relay__maxFilterLimit;
if (limit > maxFilterLimit) limit = maxFilterLimit;
indexOnlyScans = numMajorFields <= 1;
// FIXME: pubkeyKind scan could be serviced index-only too
@ -219,18 +219,18 @@ struct NostrFilterGroup {
std::vector<NostrFilter> filters;
// Note that this expects the full array, so the first two items are "REQ" and the subId
NostrFilterGroup(const tao::json::value &req) {
NostrFilterGroup(const tao::json::value &req, uint64_t maxFilterLimit = cfg().relay__maxFilterLimit) {
const auto &arr = req.get_array();
if (arr.size() < 3) throw herr("too small");
for (size_t i = 2; i < arr.size(); i++) {
filters.emplace_back(arr[i]);
filters.emplace_back(arr[i], maxFilterLimit);
if (filters.back().neverMatch) filters.pop_back();
}
}
// Hacky! Deserves a refactor
static NostrFilterGroup unwrapped(tao::json::value filter) {
static NostrFilterGroup unwrapped(tao::json::value filter, uint64_t maxFilterLimit = cfg().relay__maxFilterLimit) {
if (!filter.is_array()) {
filter = tao::json::value::array({ filter });
}
@ -241,7 +241,7 @@ struct NostrFilterGroup {
pretendReqQuery.push_back(e);
}
return NostrFilterGroup(pretendReqQuery);
return NostrFilterGroup(pretendReqQuery, maxFilterLimit);
}
bool doesMatch(const NostrIndex::Event *ev) const {