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feat: hide older contact update events

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Type 3 (NIP-02) contact lists are hidden when newer ones are submitted
for the same author.

Fixes https://todo.sr.ht/~gheartsfield/nostr-rs-relay/4
This commit is contained in:
Greg Heartsfield 2021-12-30 15:45:03 -06:00
parent d72e7a57b6
commit c60519de23
1 changed files with 13 additions and 2 deletions
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15
src/db.rs
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@ -204,16 +204,27 @@ pub fn write_event(conn: &mut Connection, e: &Event) -> Result<usize> {
}
}
// if this event is for a metadata update, hide every other kind=0
// event from the same author that was issued earlier
// event from the same author that was issued earlier than this.
if e.kind == 0 {
let update_count = tx.execute(
"UPDATE event SET hidden=TRUE WHERE id!=? AND kind=0 AND author=? AND created_at <= ?",
"UPDATE event SET hidden=TRUE WHERE id!=? AND kind=0 AND author=? AND created_at <= ? and hidden!=TRUE",
params![ev_id, hex::decode(&e.pubkey).ok(), e.created_at],
)?;
if update_count > 0 {
info!("hid {} older metadata events", update_count);
}
}
// if this event is for a contact update, hide every other kind=3
// event from the same author that was issued earlier than this.
if e.kind == 3 {
let update_count = tx.execute(
"UPDATE event SET hidden=TRUE WHERE id!=? AND kind=3 AND author=? AND created_at <= ? and hidden!=TRUE",
params![ev_id, hex::decode(&e.pubkey).ok(), e.created_at],
)?;
if update_count > 0 {
info!("hid {} older contact events", update_count);
}
}
tx.commit()?;
Ok(ins_count)
}