From 0a8b17011517af437fd57215460285b05b5fc4a5 Mon Sep 17 00:00:00 2001
From: Ladd Hoffman <laddhoffman@gmail.com>
Date: Tue, 14 Mar 2023 20:53:19 -0500
Subject: [PATCH] Example: use incineration to achieve more balanced
 reweighting

---
 forum-network/src/index.html                  |  1 +
 forum-network/src/tests/all.test.html         |  1 +
 forum-network/src/tests/forum9.test.html      | 26 ++++++++++
 .../src/tests/scripts/forum/forum9.test.js    | 48 +++++++++++++++++++
 4 files changed, 76 insertions(+)
 create mode 100644 forum-network/src/tests/forum9.test.html
 create mode 100644 forum-network/src/tests/scripts/forum/forum9.test.js
diff --git a/forum-network/src/index.html b/forum-network/src/index.html
index bf69f47..03916ad 100644
--- a/forum-network/src/index.html
+++ b/forum-network/src/index.html
@@ -23,6 +23,7 @@
       <li><a href="./tests/forum6.test.html">Initially zero-valued posts later receive citations</a></li>
       <li><a href="./tests/forum7.test.html">Negatively cite a zero-valued post</a></li>
       <li><a href="./tests/forum8.test.html">Incinerate reputation</a></li>
+      <li><a href="./tests/forum9.test.html">Use incineration to achieve more balanced reweighting</a></li>
     </ol>
   </ul>
   <ul>
diff --git a/forum-network/src/tests/all.test.html b/forum-network/src/tests/all.test.html
index 9d787e4..ef3ab5e 100644
--- a/forum-network/src/tests/all.test.html
+++ b/forum-network/src/tests/all.test.html
@@ -35,6 +35,7 @@
 <script type="module" src="./scripts/forum/forum6.test.js"></script>
 <script type="module" src="./scripts/forum/forum7.test.js"></script>
 <script type="module" src="./scripts/forum/forum8.test.js"></script>
+<script type="module" src="./scripts/forum/forum9.test.js"></script>
 <script defer class="mocha-init">
   mocha.setup({
     ui: 'bdd',
diff --git a/forum-network/src/tests/forum9.test.html b/forum-network/src/tests/forum9.test.html
new file mode 100644
index 0000000..f5c5240
--- /dev/null
+++ b/forum-network/src/tests/forum9.test.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+
+<head>
+  <title>Forum test 9</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <link rel="stylesheet" href="https://unpkg.com/mocha/mocha.css" />
+  <link type="text/css" rel="stylesheet" href="../index.css" />
+</head>
+
+<body>
+  <h2><a href="../">DGF Tests</a></h2>
+  <div id="mocha"></div>
+  <div id="scene"></div>
+</body>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/radash/10.7.0/radash.js"
+  integrity="sha512-S207zKWG3iqXqe6msO7/Mr8X3DzzF4u8meFlokHjGtBPTGUhgzVo0lpcqEy0GoiMUdcoct+H+SqzoLsxXbynzg=="
+  crossorigin="anonymous" referrerpolicy="no-referrer"></script>
+<script src="https://unpkg.com/mocha/mocha.js"></script>
+<script src="https://unpkg.com/chai/chai.js"></script>
+<script type="module" src="./scripts/forum/forum9.test.js"></script>
+<script defer class="mocha-init">
+  mocha.setup({
+    ui: 'bdd',
+  });
+  chai.should();
+</script>
diff --git a/forum-network/src/tests/scripts/forum/forum9.test.js b/forum-network/src/tests/scripts/forum/forum9.test.js
new file mode 100644
index 0000000..5bc484a
--- /dev/null
+++ b/forum-network/src/tests/scripts/forum/forum9.test.js
@@ -0,0 +1,48 @@
+import { INCINERATOR_ADDRESS, mochaRun } from '../../../util.js';
+import { ForumTest } from './forum.test-util.js';
+
+describe('Forum', function tests() {
+  this.timeout(0);
+
+  const forumTest = new ForumTest();
+
+  before(async () => {
+    await forumTest.setup();
+  });
+
+  context('Use incineration to achieve more balanced reweighting', async () => {
+    let forum;
+    let experts;
+    let posts;
+
+    before(() => {
+      forum = forumTest.forum;
+      experts = forumTest.experts;
+      posts = forumTest.posts;
+    });
+
+    it('Post1', async () => {
+      await forumTest.addPost(experts[0], 10);
+      forum.getPost(posts[0]).value.should.equal(10);
+    });
+
+    it('Post2', async () => {
+      await forumTest.addPost(experts[0], 0);
+      forum.getPost(posts[0]).value.should.equal(10);
+      forum.getPost(posts[1]).value.should.equal(0);
+    });
+
+    it('Post3 transfers reputation from Post1 to Post2', async () => {
+      await forumTest.addPost(experts[0], 10, [
+        { postId: posts[0], weight: -1 },
+        { postId: posts[1], weight: 0.5 },
+        { postId: INCINERATOR_ADDRESS, weight: 0.5 },
+      ]);
+      forum.getPost(posts[0]).value.should.equal(0);
+      forum.getPost(posts[1]).value.should.equal(10);
+      forum.getPost(posts[2]).value.should.equal(0);
+    });
+  });
+});
+
+mochaRun();
