From 3099211f8adba7c167c94a7ee9a47ce27e09a638 Mon Sep 17 00:00:00 2001
From: thePR0M3TH3AN <53631862+PR0M3TH3AN@users.noreply.github.com>
Date: Thu, 23 Oct 2025 09:17:36 -0400
Subject: [PATCH] Propagate reaction target author metadata

---
 js/nostr/reactionEvents.js            | 33 ++++++++--
 js/nostrEventSchemas.js               | 89 +++++++++++++++++++++++++++
 js/reactionCounter.js                 | 81 +++++++++++++++++++++++-
 tests/reaction-event-builder.test.mjs | 39 ++++++++++++
 4 files changed, 237 insertions(+), 5 deletions(-)
 create mode 100644 tests/reaction-event-builder.test.mjs

diff --git a/js/nostr/reactionEvents.js b/js/nostr/reactionEvents.js
index f59d1aaa..475dc92a 100644
--- a/js/nostr/reactionEvents.js
+++ b/js/nostr/reactionEvents.js
@@ -50,15 +50,38 @@ export async function publishVideoReaction(
       )
     : [];
 
+  const optionRelay =
+    typeof options.pointerRelay === "string" && options.pointerRelay.trim()
+      ? options.pointerRelay.trim()
+      : "";
+
+  const pointerRelay =
+    typeof pointer.relay === "string" && pointer.relay.trim()
+      ? pointer.relay.trim()
+      : optionRelay;
+
   const pointerTag =
     pointer.type === "a"
-      ? pointer.relay
-        ? ["a", pointer.value, pointer.relay]
+      ? pointerRelay
+        ? ["a", pointer.value, pointerRelay]
         : ["a", pointer.value]
-      : pointer.relay
-      ? ["e", pointer.value, pointer.relay]
+      : pointerRelay
+      ? ["e", pointer.value, pointerRelay]
       : ["e", pointer.value];
 
+  const normalizedPointer = {
+    type: pointer.type,
+    value: pointer.value,
+    relay: pointerRelay || null,
+  };
+
+  const explicitTargetAuthor =
+    typeof options.targetAuthorPubkey === "string" && options.targetAuthorPubkey.trim()
+      ? options.targetAuthorPubkey.trim()
+      : typeof options.authorPubkey === "string" && options.authorPubkey.trim()
+      ? options.authorPubkey.trim()
+      : "";
+
   let content = "+";
   if (typeof options.content === "string") {
     content = options.content;
@@ -82,6 +105,8 @@ export async function publishVideoReaction(
     created_at: createdAt,
     pointerValue: pointer.value,
     pointerTag,
+    targetPointer: normalizedPointer,
+    targetAuthorPubkey: explicitTargetAuthor,
     additionalTags,
     content,
   });
diff --git a/js/nostrEventSchemas.js b/js/nostrEventSchemas.js
index f54d2959..34ff19f7 100644
--- a/js/nostrEventSchemas.js
+++ b/js/nostrEventSchemas.js
@@ -689,6 +689,8 @@ export function buildReactionEvent({
   pointerValue,
   pointerTag,
   pointerTags = [],
+  targetPointer = null,
+  targetAuthorPubkey = "",
   additionalTags = [],
   content = "",
 }) {
@@ -704,6 +706,93 @@ export function buildReactionEvent({
     tags.push(tag);
   });
 
+  const resolvePointerDetails = (pointerCandidate) => {
+    if (!pointerCandidate) {
+      return null;
+    }
+
+    if (Array.isArray(pointerCandidate) && pointerCandidate.length >= 2) {
+      const [type, value, relay] = pointerCandidate;
+      const normalizedType = type === "a" ? "a" : type === "e" ? "e" : "";
+      const normalizedValue = typeof value === "string" ? value.trim() : "";
+      if (!normalizedType || !normalizedValue) {
+        return null;
+      }
+      const normalizedRelay =
+        typeof relay === "string" && relay.trim() ? relay.trim() : "";
+      return { type: normalizedType, value: normalizedValue, relay: normalizedRelay };
+    }
+
+    if (pointerCandidate && typeof pointerCandidate === "object") {
+      const { type, value, relay } = pointerCandidate;
+      const normalizedType = type === "a" ? "a" : type === "e" ? "e" : "";
+      const normalizedValue = typeof value === "string" ? value.trim() : "";
+      if (!normalizedType || !normalizedValue) {
+        return null;
+      }
+      const normalizedRelay =
+        typeof relay === "string" && relay.trim() ? relay.trim() : "";
+      return { type: normalizedType, value: normalizedValue, relay: normalizedRelay };
+    }
+
+    return null;
+  };
+
+  const pointerDetails = (() => {
+    const explicitPointer = resolvePointerDetails(targetPointer);
+    if (explicitPointer) {
+      return explicitPointer;
+    }
+
+    const pointerTagEntry = normalizedPointerTags.find(
+      (tag) => Array.isArray(tag) && tag.length >= 2 && (tag[0] === "a" || tag[0] === "e")
+    );
+    if (!pointerTagEntry) {
+      return null;
+    }
+
+    return resolvePointerDetails(pointerTagEntry);
+  })();
+
+  const resolvedRelay = pointerDetails?.relay || "";
+
+  const normalizedAuthorPubkey = (() => {
+    if (typeof targetAuthorPubkey === "string" && targetAuthorPubkey.trim()) {
+      return targetAuthorPubkey.trim();
+    }
+
+    if (pointerDetails?.type === "a" && pointerDetails.value) {
+      const segments = pointerDetails.value.split(":");
+      if (segments.length >= 2) {
+        const candidate = segments[1]?.trim();
+        if (candidate) {
+          return candidate;
+        }
+      }
+    }
+
+    return "";
+  })();
+
+  if (normalizedAuthorPubkey) {
+    const existingAuthorTag = tags.find(
+      (tag) => Array.isArray(tag) && tag[0] === "p" && tag[1] === normalizedAuthorPubkey
+    );
+    if (!existingAuthorTag) {
+      if (resolvedRelay) {
+        tags.push(["p", normalizedAuthorPubkey, resolvedRelay]);
+      } else {
+        tags.push(["p", normalizedAuthorPubkey]);
+      }
+    } else if (resolvedRelay) {
+      if (existingAuthorTag.length < 3) {
+        existingAuthorTag.push(resolvedRelay);
+      } else if (existingAuthorTag[2] !== resolvedRelay) {
+        existingAuthorTag[2] = resolvedRelay;
+      }
+    }
+  }
+
   if (Array.isArray(additionalTags)) {
     additionalTags.forEach((tag) => {
       if (Array.isArray(tag) && tag.length >= 2) {
diff --git a/js/reactionCounter.js b/js/reactionCounter.js
index 0335d55f..0e2b9a51 100644
--- a/js/reactionCounter.js
+++ b/js/reactionCounter.js
@@ -4,7 +4,86 @@ import { devLogger, userLogger } from "./utils/logger.js";
 export const reactionCounter = {
   async publish(pointer, options = {}) {
     try {
-      const result = await publishVideoReaction(pointer, options);
+      const publishOptions = { ...options };
+
+      const pointerRelayFromPointer = (() => {
+        if (Array.isArray(pointer) && pointer.length >= 3) {
+          const relay = pointer[2];
+          if (typeof relay === "string" && relay.trim()) {
+            return relay.trim();
+          }
+        }
+        if (pointer && typeof pointer === "object") {
+          const relay = pointer.relay;
+          if (typeof relay === "string" && relay.trim()) {
+            return relay.trim();
+          }
+        }
+        return "";
+      })();
+
+      const pointerRelay =
+        typeof publishOptions.pointerRelay === "string" && publishOptions.pointerRelay.trim()
+          ? publishOptions.pointerRelay.trim()
+          : pointerRelayFromPointer;
+
+      if (pointerRelay && !publishOptions.pointerRelay) {
+        publishOptions.pointerRelay = pointerRelay;
+      }
+
+      const enrichedPointer = (() => {
+        if (!pointerRelay) {
+          return pointer;
+        }
+
+        if (Array.isArray(pointer) && pointer.length >= 2) {
+          const [type, value] = pointer;
+          return [type, value, pointerRelay];
+        }
+
+        if (pointer && typeof pointer === "object") {
+          return { ...pointer, relay: pointerRelay };
+        }
+
+        return pointer;
+      })();
+
+      const explicitAuthor =
+        typeof publishOptions.targetAuthorPubkey === "string" &&
+        publishOptions.targetAuthorPubkey.trim()
+          ? publishOptions.targetAuthorPubkey.trim()
+          : "";
+
+      if (!explicitAuthor) {
+        const fallbackAuthor = (() => {
+          if (
+            typeof publishOptions.authorPubkey === "string" &&
+            publishOptions.authorPubkey.trim()
+          ) {
+            return publishOptions.authorPubkey.trim();
+          }
+          if (
+            typeof publishOptions.currentVideoPubkey === "string" &&
+            publishOptions.currentVideoPubkey.trim()
+          ) {
+            return publishOptions.currentVideoPubkey.trim();
+          }
+          if (
+            publishOptions.video &&
+            typeof publishOptions.video.pubkey === "string" &&
+            publishOptions.video.pubkey.trim()
+          ) {
+            return publishOptions.video.pubkey.trim();
+          }
+          return "";
+        })();
+
+        if (fallbackAuthor) {
+          publishOptions.targetAuthorPubkey = fallbackAuthor;
+        }
+      }
+
+      const result = await publishVideoReaction(enrichedPointer, publishOptions);
       if (!result || !result.ok) {
         userLogger.warn(
           "[reactionCounter] Reaction publish rejected by relays:",
diff --git a/tests/reaction-event-builder.test.mjs b/tests/reaction-event-builder.test.mjs
new file mode 100644
index 00000000..1d3100da
--- /dev/null
+++ b/tests/reaction-event-builder.test.mjs
@@ -0,0 +1,39 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+
+import { buildReactionEvent } from "../js/nostrEventSchemas.js";
+
+test("buildReactionEvent includes pointer and author tags when pubkey provided", () => {
+  const event = buildReactionEvent({
+    pubkey: "viewer",
+    created_at: 1700000000,
+    pointerValue: "event-id",
+    pointerTag: ["e", "event-id", "wss://relay.example"],
+    targetPointer: { type: "e", value: "event-id", relay: "wss://relay.example" },
+    targetAuthorPubkey: "author-pubkey",
+    content: "+",
+  });
+
+  const pointerTags = event.tags.filter((tag) => Array.isArray(tag) && tag[0] === "e");
+  assert.deepEqual(pointerTags, [["e", "event-id", "wss://relay.example"]]);
+
+  const authorTags = event.tags.filter((tag) => Array.isArray(tag) && tag[0] === "p");
+  assert.deepEqual(authorTags, [["p", "author-pubkey", "wss://relay.example"]]);
+});
+
+test("buildReactionEvent derives author pubkey from address pointer", () => {
+  const event = buildReactionEvent({
+    pubkey: "viewer",
+    created_at: 1700000001,
+    pointerValue: "30078:deadbeefcafebabe:clip-1",
+    pointerTag: ["a", "30078:deadbeefcafebabe:clip-1"],
+    targetPointer: { type: "a", value: "30078:deadbeefcafebabe:clip-1" },
+    content: "+",
+  });
+
+  const addressTags = event.tags.filter((tag) => Array.isArray(tag) && tag[0] === "a");
+  assert.deepEqual(addressTags, [["a", "30078:deadbeefcafebabe:clip-1"]]);
+
+  const authorTags = event.tags.filter((tag) => Array.isArray(tag) && tag[0] === "p");
+  assert.deepEqual(authorTags, [["p", "deadbeefcafebabe"]]);
+});