feat: add support for NIP22

client_manager.py

@@ -1,6 +1,6 @@
 import json
 import time
-from typing import Any, Awaitable, Callable, List, Optional
+from typing import Any, Awaitable, Callable, List, Optional, Tuple
 
 from fastapi import WebSocket
 from loguru import logger
@@ -167,6 +167,12 @@ class NostrClientConnection:
             await self._send_msg(resp_nip20)
             return None
 
+        in_range, message = self._created_at_in_range(e.created_at)
+        if not in_range:
+            resp_nip20 += [False, message]
+            await self._send_msg(resp_nip20)
+            return None
+
         try:
             if e.is_replaceable_event():
                 await delete_events(
@@ -187,6 +193,7 @@ class NostrClientConnection:
 
         await self._send_msg(resp_nip20)
             
+
     @property
     def client_config(self) -> ClientConfig:
         if not self.get_client_config:
@@ -241,3 +248,13 @@ class NostrClientConnection:
             self._event_count_per_timestamp = 0
 
         return self._event_count_per_timestamp > self.client_config.max_events_per_second
+
+    def _created_at_in_range(self, created_at: int) -> Tuple[bool, str]:
+        current_time = round(time.time())
+        if self.client_config.created_at_in_past != 0:
+            if created_at < (current_time - self.client_config.created_at_in_past):
+                return False, "created_at is too much into the past"
+        if self.client_config.created_at_in_future != 0:
+            if created_at > (current_time + self.client_config.created_at_in_future):
+                return False, "created_at is too much into the future"
+        return True, ""

models.py

@@ -12,6 +12,17 @@ class ClientConfig(BaseModel):
     max_client_filters = Field(0, alias="maxClientFilters")
     limit_per_filter = Field(1000, alias="limitPerFilter")
     max_events_per_second = Field(0, alias="maxEventsPerSecond")
+
+    created_at_days_past = Field(0, alias="createdAtDaysPast")
+    created_at_hours_past = Field(0, alias="createdAtHoursPast")
+    created_at_minutes_past = Field(0, alias="createdAtMinutesPast")
+    created_at_seconds_past = Field(0, alias="createdAtSecondsPast")
+
+    created_at_days_future = Field(0, alias="createdAtDaysFuture")
+    created_at_hours_future = Field(0, alias="createdAtHoursFuture")
+    created_at_minutes_future = Field(0, alias="createdAtMinutesFuture")
+    created_at_seconds_future = Field(0, alias="createdAtSecondsFuture")
+    
     allowed_public_keys = Field([], alias="allowedPublicKeys")
     blocked_public_keys = Field([], alias="blockedPublicKeys")
     
@@ -24,6 +35,14 @@ class ClientConfig(BaseModel):
         # todo: check payment
         return p in self.allowed_public_keys
 
+    @property
+    def created_at_in_past(self) -> int:
+        return self.created_at_days_past * 86400 + self.created_at_hours_past * 3600 + self.created_at_minutes_past * 60 + self.created_at_seconds_past
+
+    @property
+    def created_at_in_future(self) -> int:
+        return self.created_at_days_future * 86400 + self.created_at_hours_future * 3600 + self.created_at_minutes_future * 60 + self.created_at_seconds_future
+
     class Config:
         allow_population_by_field_name = True
 class RelayConfig(ClientConfig):
@@ -55,7 +74,7 @@ class NostrRelay(BaseModel):
     def info(cls,) -> dict:
         return {
             "contact": "https://t.me/lnbits",
-            "supported_nips": [1, 9, 11, 15, 20],
+            "supported_nips": [1, 9, 11, 15, 20, 22],
             "software": "LNbits",
             "version": "",
         }

static/components/relay-details/relay-details.html

@@ -156,6 +156,108 @@
     </q-tab-panel>
     <q-tab-panel name="config">
       <div v-if="relay">
+        <div class="row items-center no-wrap q-mb-md">
+          <div class="col-3 q-pr-lg">Created At in Past:</div>
+          <div class="col-2 q-pr-lg">
+            <q-input
+              filled
+              dense
+              v-model.trim="relay.config.createdAtDaysPast"
+              type="number"
+              min="0"
+              hint="Days"
+            ></q-input>
+          </div>
+          <div class="col-2 q-pr-lg">
+            <q-select
+              filled
+              dense
+              v-model="relay.config.createdAtHoursPast"
+              type="number"
+              hint="Hours"
+              :options="hours"
+            ></q-select>
+          </div>
+          <div class="col-2 q-pr-lg">
+            <q-select
+              filled
+              dense
+              v-model="relay.config.createdAtMinutesPast"
+              type="number"
+              hint="Minutes"
+              :options="range60"
+            ></q-select>
+          </div>
+          <div class="col-2 q-pr-lg">
+            <q-select
+              filled
+              dense
+              v-model="relay.config.createdAtSecondsPast"
+              type="number"
+              hint="Seconds"
+              :options="range60"
+            ></q-select>
+          </div>
+          <div class="col-1 q-pb-md">
+            <q-icon name="info" class="cursor-pointer">
+              <q-tooltip>
+                NIP 22: Lower limit within which a relay will consider an
+                event's created_at to be acceptable.
+              </q-tooltip></q-icon
+            >
+          </div>
+        </div>
+        <div class="row items-center no-wrap q-mb-md">
+          <div class="col-3 q-pr-lg">Created At in Future:</div>
+          <div class="col-2 q-pr-lg">
+            <q-input
+              filled
+              dense
+              v-model.trim="relay.config.createdAtDaysFuture"
+              type="number"
+              min="0"
+              hint="Days"
+            ></q-input>
+          </div>
+          <div class="col-2 q-pr-lg">
+            <q-select
+              filled
+              dense
+              v-model="relay.config.createdAtHoursFuture"
+              type="number"
+              hint="Hours"
+              :options="hours"
+            ></q-select>
+          </div>
+          <div class="col-2 q-pr-lg">
+            <q-select
+              filled
+              dense
+              v-model="relay.config.createdAtMinutesFuture"
+              type="number"
+              hint="Minutes"
+              :options="range60"
+            ></q-select>
+          </div>
+          <div class="col-2 q-pr-lg">
+            <q-select
+              filled
+              dense
+              v-model="relay.config.createdAtSecondsFuture"
+              type="number"
+              hint="Seconds"
+              :options="range60"
+            ></q-select>
+          </div>
+          <div class="col-1 q-pb-md">
+            <q-icon name="info" class="cursor-pointer">
+              <q-tooltip>
+                NIP 22: Upper limit within which a relay will consider an
+                event's created_at to be acceptable.
+              </q-tooltip></q-icon
+            >
+          </div>
+        </div>
         <div class="row items-center no-wrap q-mb-md">
           <div class="col-3 q-pr-lg">Limit per filter:</div>
           <div class="col-3 q-pr-lg">

static/components/relay-details/relay-details.js

@@ -21,6 +21,23 @@ async function relayDetails(path) {
       }
     },
 
+    computed: {
+      hours: function () {
+        const y = []
+        for (let i = 0; i <= 24; i++) {
+          y.push(i)
+        }
+        return y
+      },
+      range60: function () {
+        const y = []
+        for (let i = 0; i <= 60; i++) {
+          y.push(i)
+        }
+        return y
+      }
+    },
+
     methods: {
       satBtc(val, showUnit = true) {
         return satOrBtc(val, showUnit, this.satsDenominated)