laantungir/c-relay
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v0.7.32 - Implement ephemeral event bypass (NIP-01) - events with kinds 20000-29999 are now broadcast to subscriptions but never stored in database, preventing recursive monitoring event loops

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2025-10-19 09:38:02 -04:00
parent 53f7608872
commit 57a0089664
4 changed files with 55 additions and 12 deletions
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2
relay.pid
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@@ -1 +1 @@
3579819
646463

4
src/main.h
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@@ -10,10 +10,10 @@
#define MAIN_H
// Version information (auto-updated by build system)
#define VERSION "v0.7.31"
#define VERSION "v0.7.32"
#define VERSION_MAJOR 0
#define VERSION_MINOR 7
#define VERSION_PATCH 31
#define VERSION_PATCH 32
// Relay metadata (authoritative source for NIP-11 information)
#define RELAY_NAME "C-Relay"

26
src/websockets.c
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@@ -678,16 +678,24 @@ static int nostr_relay_callback(struct lws *wsi, enum lws_callback_reasons reaso
}
}
} else {
DEBUG_TRACE("Storing regular event in database");
// Regular event - store in database and broadcast
if (store_event(event) != 0) {
DEBUG_ERROR("Failed to store event in database");
result = -1;
strncpy(error_message, "error: failed to store event", sizeof(error_message) - 1);
} else {
DEBUG_LOG("Event stored and broadcast (kind %d)", event_kind);
// Broadcast event to matching persistent subscriptions
// Check if this is an ephemeral event (kinds 20000-29999)
// Per NIP-01: ephemeral events are broadcast but never stored
if (event_kind >= 20000 && event_kind < 30000) {
DEBUG_TRACE("Ephemeral event (kind %d) - broadcasting without storage", event_kind);
// Broadcast directly to subscriptions without database storage
broadcast_event_to_subscriptions(event);
} else {
DEBUG_TRACE("Storing regular event in database");
// Regular event - store in database and broadcast
if (store_event(event) != 0) {
DEBUG_ERROR("Failed to store event in database");
result = -1;
strncpy(error_message, "error: failed to store event", sizeof(error_message) - 1);
} else {
DEBUG_LOG("Event stored and broadcast (kind %d)", event_kind);
// Broadcast event to matching persistent subscriptions
broadcast_event_to_subscriptions(event);
}
}
}
} else {

35
tests/ephemeral_test.sh Executable file
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@@ -0,0 +1,35 @@
#!/bin/bash
# Simplified Ephemeral Event Test
# Tests that ephemeral events are broadcast to active subscriptions
echo "=== Generating Ephemeral Event (kind 20000) ==="
event=$(nak event --kind 20000 --content "test ephemeral event")
echo "$event"
echo ""
echo "=== Testing Ephemeral Event Broadcast ==="
subscription='["REQ","test_sub",{"kinds":[20000],"limit":10}]'
echo "Subscription Filter:"
echo "$subscription"
echo ""
event_msg='["EVENT",'"$event"']'
echo "Event Message:"
echo "$event_msg"
echo ""
echo "=== Relay Responses ==="
(
# Send subscription
printf "%s\n" "$subscription"
# Wait for subscription to establish
sleep 1
# Send ephemeral event on same connection
printf "%s\n" "$event_msg"
# Wait for responses
sleep 2
) | timeout 5 websocat ws://127.0.0.1:8888
echo ""
echo "Test complete!"