nostr/strfry
1
0
Fork 0
mirror of https://github.com/hoytech/strfry.git synced 2025-06-18 17:27:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

NIP-33: parameterized replaceable events

Browse Source
This commit is contained in:
Doug Hoyte
2023-02-08 07:30:14 -05:00
parent 7661865bcc
commit 5c4fddb4a8
2 changed files with 42 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
src/events.cpp
View File

@ -253,24 +253,52 @@ void writeEvents(lmdb::txn &txn, quadrable::Quadrable &qdb, std::vector<EventToW
if (isReplaceableEvent(flat->kind())) {
auto searchKey = makeKey_StringUint64Uint64(sv(flat->pubkey()), flat->kind(), MAX_U64);
uint64_t otherLevId = 0;
env.generic_foreachFull(txn, env.dbi_Event__pubkeyKind, searchKey, lmdb::to_sv<uint64_t>(MAX_U64), [&](auto k, auto v) {
ParsedKey_StringUint64Uint64 parsedKey(k);
if (parsedKey.s == sv(flat->pubkey()) && parsedKey.n1 == flat->kind()) {
if (parsedKey.n2 < flat->created_at()) {
otherLevId = lmdb::from_sv<uint64_t>(v);
auto otherEv = env.lookup_Event(txn, lmdb::from_sv<uint64_t>(v));
if (!otherEv) throw herr("missing event from index, corrupt DB?");
LI << "Deleting event (replaceable). id=" << to_hex(sv(otherEv->flat_nested()->pubkey()));
deleteEvent(txn, changes, *otherEv);
} else {
ev.status = EventWriteStatus::Replaced;
}
}
return false;
}, true);
} else {
std::string replace;
if (otherLevId) {
auto otherEv = env.lookup_Event(txn, otherLevId);
if (!otherEv) throw herr("missing event from index, corrupt DB?");
deleteEvent(txn, changes, *otherEv);
for (const auto &tagPair : *(flat->tagsGeneral())) {
auto tagName = (char)tagPair->key();
if (tagName != 'd') continue;
replace = std::string(sv(tagPair->val()));
break;
}
if (replace.size()) {
auto searchStr = std::string(sv(flat->pubkey())) + replace;
auto searchKey = makeKey_StringUint64(searchStr, flat->kind());
LI << to_hex(searchKey);
env.generic_foreachFull(txn, env.dbi_Event__replace, searchKey, lmdb::to_sv<uint64_t>(MAX_U64), [&](auto k, auto v) {
ParsedKey_StringUint64 parsedKey(k);
if (parsedKey.s == searchStr && parsedKey.n == flat->kind()) {
auto otherEv = env.lookup_Event(txn, lmdb::from_sv<uint64_t>(v));
if (!otherEv) throw herr("missing event from index, corrupt DB?");
if (otherEv->flat_nested()->created_at() < flat->created_at()) {
LI << "Deleting event (d-tag). id=" << to_hex(sv(otherEv->flat_nested()->pubkey()));
deleteEvent(txn, changes, *otherEv);
} else {
ev.status = EventWriteStatus::Replaced;
}
}
return false;
}, true);
}
}
@ -280,7 +308,7 @@ void writeEvents(lmdb::txn &txn, quadrable::Quadrable &qdb, std::vector<EventToW
if (tagPair->key() == 'e') {
auto otherEv = lookupEventById(txn, sv(tagPair->val()));
if (otherEv && sv(otherEv->flat_nested()->pubkey()) == sv(flat->pubkey())) {
LI << "Deleting event. id=" << to_hex(sv(tagPair->val()));
LI << "Deleting event (kind 5). id=" << to_hex(sv(tagPair->val()));
deleteEvent(txn, changes, *otherEv);
}
}