Init2

2022-12-18 14:51:47 +00:00
parent 968ea78077
commit e6ef1a5bc9
35 changed files with 10237 additions and 0 deletions
--- a/src/nostr/Subscriptions.js
+++ b/src/nostr/Subscriptions.js
@ -0,0 +1,110 @@
+import { v4 as uuid } from "uuid";
+
+export class Subscriptions {
+    constructor() {
+        /**
+         * A unique id for this subscription filter
+         */
+        this.Id = uuid();
+
+        /** 
+         * a list of event ids or prefixes
+         */
+        this.Ids = new Set();
+
+        /**
+         * a list of pubkeys or prefixes, the pubkey of an event must be one of these
+         */
+        this.Authors = new Set();
+
+        /**
+         * a list of a kind numbers
+         */
+        this.Kinds = new Set();
+
+        /**
+         * a list of event ids that are referenced in an "e" tag
+         */
+        this.ETags = new Set();
+
+        /**
+         * a list of pubkeys that are referenced in a "p" tag
+         */
+        this.PTags = new Set();
+
+        /** 
+         * a timestamp, events must be newer than this to pass
+         */
+        this.Since = NaN;
+
+        /** 
+         * a timestamp, events must be older than this to pass
+         */
+        this.Until = NaN;
+
+        /**
+         * maximum number of events to be returned in the initial query
+         */
+        this.Limit = NaN;
+
+        /**
+         * Handler function for this event
+         */
+        this.OnEvent = (e) => { console.warn(`No event handler was set on subscription: ${this.Id}`) };
+
+        /**
+         * Collection of OR sub scriptions linked to this
+         */
+        this.OrSubs = [];
+    }
+
+    /**
+     * Adds OR filter subscriptions
+     * @param {Subscriptions} sub Extra filters
+     */
+    AddSubscription(sub) {
+        this.OrSubs.push(sub);
+    }
+
+    static FromObject(obj) {
+        let ret = new Subscriptions();
+        ret.Ids = new Set(obj.ids);
+        ret.Authors = new Set(obj.authors);
+        ret.Kinds = new Set(obj.kinds);
+        ret.ETags = new Set(obj["#e"]);
+        ret.PTags = new Set(obj["#p"]);
+        ret.Since = parseInt(obj.since);
+        ret.Until = parseInt(obj.until);
+        ret.Limit = parseInt(obj.limit);
+        return ret;
+    }
+
+    ToObject() {
+        let ret = {};
+        if (this.Ids.size > 0) {
+            ret.ids = Array.from(this.Ids);
+        }
+        if (this.Authors.size > 0) {
+            ret.authors = Array.from(this.Authors);
+        }
+        if (this.Kinds.size > 0) {
+            ret.kinds = Array.from(this.Kinds);
+        }
+        if (this.ETags.size > 0) {
+            ret["#e"] = Array.from(this.ETags);
+        }
+        if (this.PTags.size > 0) {
+            ret["#p"] = Array.from(this.PTags);
+        }
+        if (!isNaN(this.Since)) {
+            ret.since = this.Since;
+        }
+        if (!isNaN(this.Until)) {
+            ret.until = this.Until;
+        }
+        if (!isNaN(this.Limit)) {
+            ret.limit = this.Limit;
+        }
+        return ret;
+    }
+}