Add support for posts with multiple authors

forum-network/src/classes/dao/forum.js

@@ -5,18 +5,28 @@ import params from '../../params.js';
 import { ReputationHolder } from '../reputation/reputation-holder.js';
 import { displayNumber, EPSILON, INCINERATOR_ADDRESS } from '../../util.js';
 
-const CITATION = 'citation';
-const BALANCE = 'balance';
+const EdgeTypes = {
+  CITATION: 'citation',
+  BALANCE: 'balance',
+  AUTHOR: 'author',
+};
+
+const VertexTypes = {
+  POST: 'post',
+  AUTHOR: 'author',
+};
 
 class Post extends Actor {
-  constructor(forum, authorPublicKey, postContent) {
-    const index = forum.posts.countVertices();
+  constructor(forum, senderId, postContent) {
+    const index = forum.graph.countVertices(VertexTypes.POST);
     const name = `Post${index + 1}`;
     super(name, forum.scene);
+    this.forum = forum;
     this.id = postContent.id ?? name;
-    this.authorPublicKey = authorPublicKey;
+    this.senderId = senderId;
     this.value = 0;
     this.initialValue = 0;
+    this.authors = postContent.authors;
     this.citations = postContent.citations;
     this.title = postContent.title;
     const leachingTotal = this.citations
@@ -25,6 +35,8 @@ class Post extends Actor {
     const donationTotal = this.citations
       .filter(({ weight }) => weight > 0)
       .reduce((total, { weight }) => total += weight, 0);
+
+    // TODO: Move evaluation of these parameters to Validation Pool
     if (leachingTotal > params.revaluationLimit) {
       throw new Error('Post leaching total exceeds revaluation limit '
         + `(${leachingTotal} > ${params.revaluationLimit})`);
@@ -49,6 +61,12 @@ class Post extends Actor {
     </tr></table>`
       .replaceAll(/\n\s*/g, '');
   }
+
+  async setValue(value) {
+    this.value = value;
+    await this.setDisplayValue('value', value);
+    this.forum.graph.setVertexDisplayLabel(this.id, this.getLabel());
+  }
 }
 
 /**
@@ -61,7 +79,7 @@ export class Forum extends ReputationHolder {
     super(name, scene);
     this.dao = dao;
     this.id = this.reputationPublicKey;
-    this.posts = new WDAG(scene);
+    this.graph = new WDAG(scene);
     this.actions = {
       propagate: new Action('propagate', scene),
       confirm: new Action('confirm', scene),
@@ -69,32 +87,26 @@ export class Forum extends ReputationHolder {
     };
   }
 
-  async addPost(authorId, postContent) {
-    console.log('addPost', { authorId, postContent });
-    const post = new Post(this, authorId, postContent);
-    this.posts.addVertex(post.id, post, post.getLabel());
+  async addPost(senderId, postContent) {
+    console.log('addPost', { senderId, postContent });
+    const post = new Post(this, senderId, postContent);
+    this.graph.addVertex(VertexTypes.POST, post.id, post, post.getLabel());
     for (const { postId: citedPostId, weight } of post.citations) {
       // Special case: Incinerator
-      if (citedPostId === INCINERATOR_ADDRESS && !this.posts.getVertex(INCINERATOR_ADDRESS)) {
-        this.posts.addVertex(INCINERATOR_ADDRESS, { name: 'Incinerator' }, 'Incinerator');
+      if (citedPostId === INCINERATOR_ADDRESS && !this.graph.getVertex(INCINERATOR_ADDRESS)) {
+        this.graph.addVertex(VertexTypes.POST, INCINERATOR_ADDRESS, { name: 'Incinerator' }, 'Incinerator');
       }
-      this.posts.addEdge(CITATION, post.id, citedPostId, weight);
+      this.graph.addEdge(EdgeTypes.CITATION, post.id, citedPostId, weight);
     }
     return post;
   }
 
   getPost(postId) {
-    return this.posts.getVertexData(postId);
+    return this.graph.getVertexData(postId);
   }
 
   getPosts() {
-    return this.posts.getVerticesData();
-  }
-
-  async setPostValue(post, value) {
-    post.value = value;
-    await post.setValue('value', value);
-    this.posts.setVertexLabel(post.id, post.getLabel());
+    return this.graph.getVerticesData();
   }
 
   getTotalValue() {
@@ -108,38 +120,74 @@ export class Forum extends ReputationHolder {
   async onValidate({
     pool, postId, tokenId,
   }) {
+    console.log('onValidate', { pool, postId, tokenId });
     const initialValue = this.dao.reputation.valueOf(tokenId);
-    const postVertex = this.posts.getVertex(postId);
+    const postVertex = this.graph.getVertex(postId);
     const post = postVertex.data;
     post.setStatus('Validated');
     post.initialValue = initialValue;
-    this.posts.setVertexLabel(post.id, post.getLabel());
+    this.graph.setVertexDisplayLabel(post.id, post.getLabel());
 
-    // Store a reference to the reputation token associated with this post,
-    // so that its value can be updated by future validated posts.
-    post.tokenId = tokenId;
+    const addAuthorToGraph = (publicKey, weight, authorTokenId) => {
+      const authorVertex = this.graph.getVertex(publicKey)
+        ?? this.graph.addVertex(VertexTypes.AUTHOR, publicKey, { name: publicKey, publicKey }, publicKey);
+      const authorEdge = this.graph.addEdge(
+        EdgeTypes.AUTHOR,
+        postVertex,
+        authorVertex,
+        weight,
+        { tokenId: authorTokenId },
+      );
+      console.log('addAuthorToGraph', { authorVertex, authorEdge });
+    };
+
+    // In the case of multiple authors, mint additional (empty) tokens.
+    // If no authors are specified, treat the sender as the sole author.
+    if (!post.authors?.length) {
+      addAuthorToGraph(post.senderId, 1, tokenId);
+    } else {
+      for (const { publicKey, weight } of post.authors) {
+        // If the sender is also listed among the authors, do not mint them an additional token.
+        if (publicKey === post.senderId) {
+          addAuthorToGraph(publicKey, weight, tokenId);
+        } else {
+          addAuthorToGraph(publicKey, weight, this.dao.reputation.mint(this.id, 0));
+        }
+      }
+    }
+
+    // TODO: Verify that cumulative author weight === 1
 
     const rewardsAccumulator = new Map();
 
-    // Compute rewards
+    // Compute reputation rewards
     await this.propagateValue(
       { to: postVertex, from: { data: pool } },
       { rewardsAccumulator, increment: initialValue },
     );
 
     // Apply computed rewards to update values of tokens
-    for (const [id, value] of rewardsAccumulator) {
-      if (value < 0) {
-        this.dao.reputation.transferValueFrom(id, post.tokenId, -value);
-      } else {
-        this.dao.reputation.transferValueFrom(post.tokenId, id, value);
+    for (const [authorTokenId, amount] of rewardsAccumulator) {
+      console.log('reward', { authorTokenId, amount });
+      // The primary author gets the validation pool minted token.
+      // So we don't need to transfer any reputation to the primary author.
+      // Their reward will be the remaining balance after all other transfers.
+      if (authorTokenId !== tokenId) {
+        if (amount < 0) {
+          this.dao.reputation.transferValueFrom(authorTokenId, tokenId, -amount);
+        } else {
+          this.dao.reputation.transferValueFrom(tokenId, authorTokenId, amount);
+        }
       }
     }
 
-    // Transfer ownership of the minted/staked token, from the posts to the post author
-    this.dao.reputation.transfer(this.id, post.authorPublicKey, post.tokenId);
-    // const toActor = this.scene?.findActor((actor) => actor.reputationPublicKey === post.authorPublicKey);
-    // const value = this.dao.reputation.valueOf(post.tokenId);
+    // Transfer ownership of the minted tokens to the authors
+    for (const authorEdge of postVertex.getEdges(EdgeTypes.AUTHOR, true)) {
+      const authorVertex = authorEdge.to;
+      const { publicKey } = authorVertex.data;
+      const { tokenId: authorTokenId } = authorEdge.data;
+      this.dao.reputation.transfer(this.id, publicKey, authorTokenId);
+    }
   }
 
   /**
@@ -150,7 +198,7 @@ export class Forum extends ReputationHolder {
     rewardsAccumulator, increment, depth = 0, initialNegative = false,
   }) {
     const postVertex = edge.to;
-    const post = postVertex?.data;
+    const post = postVertex.data;
     this.actions.propagate.log(edge.from.data, post, `(${increment})`);
 
     if (!!params.referenceChainLimit && depth > params.referenceChainLimit) {
@@ -175,13 +223,14 @@ export class Forum extends ReputationHolder {
 
     const propagate = async (positive) => {
       let totalOutboundAmount = 0;
-      const citationEdges = postVertex.getEdges(CITATION, true)
+      const citationEdges = postVertex.getEdges(EdgeTypes.CITATION, true)
         .filter(({ weight }) => (positive ? weight > 0 : weight < 0));
       for (const citationEdge of citationEdges) {
         const { weight } = citationEdge;
         let outboundAmount = weight * increment;
         if (Math.abs(outboundAmount) > EPSILON) {
-          const balanceToOutbound = this.posts.getEdgeWeight(BALANCE, citationEdge.from, citationEdge.to) ?? 0;
+          const balanceToOutbound = this.graph.getEdgeWeight(EdgeTypes.BALANCE, citationEdge.from, citationEdge.to)
+            ?? 0;
           let refundFromOutbound = 0;
 
           // Special case: Incineration.
@@ -225,7 +274,12 @@ export class Forum extends ReputationHolder {
 
           // Keep a record of the effect of the reputation transferred along this edge in the graph,
           // so that later, negative citations can be constrained to at most undo these effects.
-          this.posts.setEdgeWeight(BALANCE, citationEdge.from, citationEdge.to, balanceToOutbound + outboundAmount);
+          this.graph.setEdgeWeight(
+            EdgeTypes.BALANCE,
+            citationEdge.from,
+            citationEdge.to,
+            balanceToOutbound + outboundAmount,
+          );
           totalOutboundAmount += outboundAmount;
 
           this.actions.confirm.log(
@@ -263,11 +317,15 @@ export class Forum extends ReputationHolder {
       refundToInbound,
     });
 
-    // Award reputation to post author
-    rewardsAccumulator.set(post.tokenId, appliedIncrement);
+    // Apply reputation effects to post authors, not to the post directly
+    for (const authorEdge of postVertex.getEdges(EdgeTypes.AUTHOR, true)) {
+      const { weight, data: { tokenId } } = authorEdge;
+      const authorIncrement = weight * appliedIncrement;
+      rewardsAccumulator.set(tokenId, authorIncrement);
+    }
 
     // Increment the value of the post
-    await this.setPostValue(post, newValue);
+    await post.setValue(newValue);
 
     return refundToInbound;
   }

forum-network/src/classes/dao/validation-pool.js

@@ -180,7 +180,7 @@ export class ValidationPool extends ReputationHolder {
 
       // Update computed display values
       const actor = this.scene?.findActor((a) => a.reputationPublicKey === voter.reputationPublicKey);
-      await actor.computeValues();
+      await actor.computeDisplayValues();
     }
   }
 
@@ -235,9 +235,9 @@ export class ValidationPool extends ReputationHolder {
       if (!actor) {
         throw new Error('Actor not found!');
       }
-      await actor.computeValues();
+      await actor.computeDisplayValues();
     }
-    await this.dao.computeValues();
+    await this.dao.computeDisplayValues();
 
     this.scene?.stateToTable(`validation pool ${this.name} complete`);
 

forum-network/src/classes/display/actor.js

@@ -58,12 +58,12 @@ export class Actor {
     this.values.set(label, this.scene?.addDisplayValue(`${this.name} ${label}`));
     if (fn) {
       this.valueFunctions.set(label, fn);
-      await this.computeValues();
+      await this.computeDisplayValues();
     }
     return this;
   }
 
-  async setValue(label, value) {
+  async setDisplayValue(label, value) {
     if (typeof value === 'function') {
       return this.addComputedValue(label, value);
     }
@@ -76,10 +76,10 @@ export class Actor {
     return this;
   }
 
-  async computeValues() {
+  async computeDisplayValues() {
     for (const [label, fn] of this.valueFunctions.entries()) {
       const value = fn();
-      await this.setValue(label, value);
+      await this.setDisplayValue(label, value);
     }
   }
 

forum-network/src/classes/forum-network/forum-node.js

@@ -2,14 +2,12 @@ import { Action } from '../display/action.js';
 import {
   Message, PostMessage, PeerMessage, messageFromJSON,
 } from './message.js';
-import { ForumView } from './forum-view.js';
 import { NetworkNode } from './network-node.js';
-import { randomID } from '../util/util.js';
+import { randomID } from '../../util.js';
 
 export class ForumNode extends NetworkNode {
   constructor(name, scene) {
     super(name, scene);
-    this.forumView = new ForumView();
     this.actions = {
       ...this.actions,
       storePost: new Action('store post', scene),

forum-network/src/classes/forum-network/forum-view.js

@@ -1,67 +0,0 @@
-import { WDAG } from '../supporting/wdag.js';
-
-class Author {
-  constructor() {
-    this.posts = new Map();
-    this.reputation = 0;
-  }
-}
-
-class PostVertex {
-  constructor(id, author, stake, content, citations) {
-    this.id = id;
-    this.author = author;
-    this.content = content;
-    this.stake = stake;
-    this.citations = citations;
-    this.reputation = 0;
-  }
-}
-
-export class ForumView {
-  constructor() {
-    this.reputations = new Map();
-    this.posts = new WDAG();
-    this.authors = new Map();
-  }
-
-  getReputation(id) {
-    return this.reputations.get(id);
-  }
-
-  setReputation(id, reputation) {
-    this.reputations.set(id, reputation);
-  }
-
-  incrementReputation(publicKey, increment, _reason) {
-    const reputation = this.getReputation(publicKey) || 0;
-    return this.reputations.set(publicKey, reputation + increment);
-  }
-
-  getOrInitializeAuthor(authorId) {
-    let author = this.authors.get(authorId);
-    if (!author) {
-      author = new Author(authorId);
-      this.authors.set(authorId, author);
-    }
-    return author;
-  }
-
-  addPost(authorId, postId, postContent, stake) {
-    const { citations = [], content } = postContent;
-    const author = this.getOrInitializeAuthor(authorId);
-    const postVertex = new PostVertex(postId, author, stake, content, citations);
-    this.posts.addVertex(postId, postVertex);
-    for (const { postId: citedPostId, weight } of citations) {
-      this.posts.addEdge('citation', postId, citedPostId, weight);
-    }
-  }
-
-  getPost(postId) {
-    return this.posts.getVertexData(postId);
-  }
-
-  getPosts() {
-    return this.posts.getVertices();
-  }
-}

forum-network/src/classes/forum-network/network-node.js

@@ -38,7 +38,8 @@ export class NetworkNode extends Actor {
   // Enqueue it for further processing.
   async receiveMessage(messageStr) {
     const messageJson = JSON.parse(messageStr);
-    const senderReputation = this.forumView.getReputation(messageJson.publicKey) || 0;
+    // const senderReputation = this.forumView.getReputation(messageJson.publicKey) || 0;
+    const senderReputation = 0;
     this.queue.add(messageJson, senderReputation);
   }
 

forum-network/src/classes/reputation/reputation-token.js

@@ -36,6 +36,9 @@ export class ReputationTokenContract extends ERC721 {
 
   incrementValue(tokenId, increment, context) {
     const value = this.values.get(tokenId);
+    if (value === undefined) {
+      throw new Error(`Token not found: ${tokenId}`);
+    }
     const newValue = value + increment;
     const history = this.histories.get(tokenId) || [];
 
@@ -60,7 +63,7 @@ export class ReputationTokenContract extends ERC721 {
     const sourceAvailable = this.availableValueOf(fromTokenId);
     if (sourceAvailable < amount - EPSILON) {
       throw new Error('Token value transfer: source has insufficient available value. '
-      + `Needs ${amount}; has ${sourceAvailable}.`);
+        + `Needs ${amount}; has ${sourceAvailable}.`);
     }
     this.incrementValue(fromTokenId, -amount);
     this.incrementValue(toTokenId, amount);

forum-network/src/classes/supporting/erc721.js

@@ -31,6 +31,7 @@ export class ERC721 {
   }
 
   mint(to, tokenId) {
+    console.log('ERC721.mint', { to, tokenId });
     if (this.owners.get(tokenId)) {
       throw new Error('ERC721: token already minted');
     }
@@ -60,9 +61,10 @@ export class ERC721 {
   }
 
   transfer(from, to, tokenId) {
+    console.log('ERC721.transfer', { from, to, tokenId });
     const owner = this.owners.get(tokenId);
     if (owner !== from) {
-      throw new Error('ERC721: transfer from incorrect owner');
+      throw new Error(`ERC721: transfer from incorrect owner ${from}; should be ${owner}`);
     }
     this.incrementBalance(from, -1);
     this.incrementBalance(to, 1);

forum-network/src/classes/supporting/wdag.js

@@ -1,5 +1,7 @@
 export class Vertex {
-  constructor(id, data) {
+  constructor(graph, type, id, data) {
+    this.graph = graph;
+    this.type = type;
     this.id = id;
     this.data = data;
     this.edges = {
@@ -8,19 +10,20 @@ export class Vertex {
     };
   }
 
-  getEdges(label, away) {
+  getEdges(type, away) {
     return this.edges[away ? 'from' : 'to'].filter(
-      (edge) => edge.label === label,
+      (edge) => edge.type === type,
     );
   }
 }
 
 export class Edge {
-  constructor(label, from, to, weight) {
+  constructor(type, from, to, weight, data) {
     this.from = from;
     this.to = to;
-    this.label = label;
+    this.type = type;
     this.weight = weight;
+    this.data = data;
   }
 }
 
@@ -28,7 +31,7 @@ export class WDAG {
   constructor(scene) {
     this.scene = scene;
     this.vertices = new Map();
-    this.edgeLabels = new Map();
+    this.edgeTypes = new Map();
     this.nextVertexId = 0;
     this.flowchart = scene?.flowchart;
   }
@@ -39,7 +42,11 @@ export class WDAG {
     return this;
   }
 
-  addVertex(id, data, label) {
+  setVertexDisplayLabel(id, label) {
+    this.flowchart?.log(`${id}[${label}]`);
+  }
+
+  addVertex(type, id, data, label) {
     // Support simple case of auto-incremented numeric ids
     if (typeof id === 'object') {
       data = id;
@@ -48,14 +55,10 @@ export class WDAG {
     if (this.vertices.has(id)) {
       throw new Error(`Vertex already exists with id: ${id}`);
     }
-    const vertex = new Vertex(id, data);
+    const vertex = new Vertex(this, type, id, data);
     this.vertices.set(id, vertex);
-    this.flowchart?.log(`${id}[${label ?? id}]`);
-    return this;
-  }
-
-  setVertexLabel(id, label) {
-    this.flowchart?.log(`${id}[${label}]`);
+    this.setVertexDisplayLabel(id, label ?? id);
+    return vertex;
   }
 
   getVertex(id) {
@@ -74,25 +77,25 @@ export class WDAG {
     return btoa([from.id, to.id]).replaceAll(/[^A-Za-z0-9]+/g, '');
   }
 
-  getEdge(label, from, to) {
+  getEdge(type, from, to) {
     from = from instanceof Vertex ? from : this.getVertex(from);
     to = to instanceof Vertex ? to : this.getVertex(to);
     if (!from || !to) {
       return undefined;
     }
-    const edges = this.edgeLabels.get(label);
+    const edges = this.edgeTypes.get(type);
     const edgeKey = WDAG.getEdgeKey({ from, to });
     return edges?.get(edgeKey);
   }
 
-  getEdgeWeight(label, from, to) {
-    return this.getEdge(label, from, to)?.weight;
+  getEdgeWeight(type, from, to) {
+    return this.getEdge(type, from, to)?.weight;
   }
 
   getEdgeHtml({ from, to }) {
     let html = '<table>';
-    for (const { label, weight } of this.getEdges(null, from, to)) {
-      html += `<tr><td>${label}</td><td>${weight}</td></tr>`;
+    for (const { type, weight } of this.getEdges(null, from, to)) {
+      html += `<tr><td>${type}</td><td>${weight}</td></tr>`;
     }
     html += '</table>';
     return html;
@@ -103,14 +106,14 @@ export class WDAG {
     return `${edgeKey}(${this.getEdgeHtml(edge)})`;
   }
 
-  setEdgeWeight(label, from, to, weight) {
+  setEdgeWeight(type, from, to, weight, data) {
     from = from instanceof Vertex ? from : this.getVertex(from);
     to = to instanceof Vertex ? to : this.getVertex(to);
-    const edge = new Edge(label, from, to, weight);
-    let edges = this.edgeLabels.get(label);
+    const edge = new Edge(type, from, to, weight, data);
+    let edges = this.edgeTypes.get(type);
     if (!edges) {
       edges = new Map();
-      this.edgeLabels.set(label, edges);
+      this.edgeTypes.set(type, edges);
     }
     const edgeKey = WDAG.getEdgeKey(edge);
     edges.set(edgeKey, edge);
@@ -118,26 +121,26 @@ export class WDAG {
     return edge;
   }
 
-  addEdge(label, from, to, weight) {
+  addEdge(type, from, to, weight, data) {
     from = from instanceof Vertex ? from : this.getVertex(from);
     to = to instanceof Vertex ? to : this.getVertex(to);
-    if (this.getEdge(label, from, to)) {
-      throw new Error(`Edge ${label} from ${from.id} to ${to.id} already exists`);
+    if (this.getEdge(type, from, to)) {
+      throw new Error(`Edge ${type} from ${from.id} to ${to.id} already exists`);
     }
-    const edge = this.setEdgeWeight(label, from, to, weight);
+    const edge = this.setEdgeWeight(type, from, to, weight, data);
     from.edges.from.push(edge);
     to.edges.to.push(edge);
     this.flowchart?.log(`${from.id} --- ${this.getEdgeFlowchartNode(edge)} --> ${to.id}`);
     this.flowchart?.log(`class ${WDAG.getEdgeKey(edge)} edge`);
-    return this;
+    return edge;
   }
 
-  getEdges(label, from, to) {
+  getEdges(type, from, to) {
     from = from instanceof Vertex ? from : this.getVertex(from);
     to = to instanceof Vertex ? to : this.getVertex(to);
-    const edgeLabels = label ? [label] : Array.from(this.edgeLabels.keys());
-    return edgeLabels.flatMap((edgeLabel) => {
-      const edges = this.edgeLabels.get(edgeLabel);
+    const edgeTypes = type ? [type] : Array.from(this.edgeTypes.keys());
+    return edgeTypes.flatMap((edgeType) => {
+      const edges = this.edgeTypes.get(edgeType);
       return Array.from(edges?.values() || []).filter((edge) => {
         const matchFrom = from === null || from === undefined || from === edge.from;
         const matchTo = to === null || to === undefined || to === edge.to;
@@ -146,7 +149,10 @@ export class WDAG {
     });
   }
 
-  countVertices() {
-    return this.vertices.size;
+  countVertices(type) {
+    if (!type) {
+      return this.vertices.size;
+    }
+    return Array.from(this.vertices.values()).filter((vertex) => vertex.type === type).length;
   }
 }

forum-network/src/classes/util/post-content.js

@@ -1,4 +1,22 @@
-export class Citation {
+class Author {
+  constructor(publicKey, weight) {
+    this.publicKey = publicKey;
+    this.weight = weight;
+  }
+
+  toJSON() {
+    return {
+      publicKey: this.publicKey,
+      weight: this.weight,
+    };
+  }
+
+  static fromJSON({ publicKey, weight }) {
+    return new Author(publicKey, weight);
+  }
+}
+
+class Citation {
   constructor(postId, weight) {
     this.postId = postId;
     this.weight = weight;
@@ -17,11 +35,18 @@ export class Citation {
 }
 
 export class PostContent {
-  constructor(content) {
+  constructor(content = {}) {
     this.content = content;
+    this.authors = [];
     this.citations = [];
   }
 
+  addAuthor(authorPublicKey, weight) {
+    const author = new Author(authorPublicKey, weight);
+    this.authors.push(author);
+    return this;
+  }
+
   addCitation(postId, weight) {
     const citation = new Citation(postId, weight);
     this.citations.push(citation);
@@ -36,6 +61,7 @@ export class PostContent {
   toJSON() {
     return {
       content: this.content,
+      authors: this.authors.map((author) => author.toJSON()),
       citations: this.citations.map((citation) => citation.toJSON()),
       ...(this.id ? { id: this.id } : {}),
       title: this.title,
@@ -43,9 +69,10 @@ export class PostContent {
   }
 
   static fromJSON({
-    id, content, citations, title,
+    id, content, authors, citations, title,
   }) {
     const post = new PostContent(content);
+    post.authors = authors.map((author) => Author.fromJSON(author));
     post.citations = citations.map((citation) => Citation.fromJSON(citation));
     post.id = id;
     post.title = title;

forum-network/src/index.html

@@ -24,6 +24,7 @@
       <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>
+      <li><a href="./tests/forum10.test.html">Post with multiple authors</a></li>
     </ol>
   </ul>
   <ul>

forum-network/src/tests/all.test.html

@@ -36,6 +36,7 @@
 <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 type="module" src="./scripts/forum/forum10.test.js"></script>
 <script defer class="mocha-init">
   mocha.setup({
     ui: 'bdd',

forum-network/src/tests/flowchart.test.html

@@ -28,7 +28,7 @@
   const actor2 = new Actor('B', scene);
   const action1 = new Action('Action 1', scene);
   await action1.log(actor1, actor2);
-  await actor1.setValue('value', 1);
+  await actor1.setDisplayValue('value', 1);
 
   await scene.withFlowchart();
   await scene.flowchart.log('A --> B');

forum-network/src/tests/forum10.test.html

@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+
+<head>
+  <title>Forum test 10</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/forum10.test.js"></script>
+<script defer class="mocha-init">
+  mocha.setup({
+    ui: 'bdd',
+  });
+  chai.should();
+</script>

forum-network/src/tests/scripts/availability.test.js

@@ -18,7 +18,7 @@ const newExpert = async () => {
   const index = experts.length;
   const name = `Expert${index + 1}`;
   const expert = await new Expert(dao, name, scene).initialize();
-  expert.setValue(
+  expert.setDisplayValue(
     'rep',
     () => dao.reputation.valueOwnedBy(expert.reputationPublicKey),
   );
@@ -36,7 +36,7 @@ const setup = async () => {
   scene.withTable();
 
   dao = new DAO('DGF', scene);
-  await dao.setValue('total rep', () => dao.reputation.getTotal());
+  await dao.setDisplayValue('total rep', () => dao.reputation.getTotal());
 
   experts = [];
 

forum-network/src/tests/scripts/forum/forum.test-util.js

@@ -19,17 +19,27 @@ export class ForumTest {
     };
   }
 
-  async addPost(author, fee, citations = []) {
+  async addPost(authors, fee, citations = []) {
     const postIndex = this.posts.length;
     const title = `posts[${postIndex}]`;
     await this.scene.sequence.startSection();
 
-    const postContent = new PostContent({}).setTitle(title);
+    const postContent = new PostContent().setTitle(title);
+
+    const submitter = Array.isArray(authors) ? authors[0].author : authors;
+
+    if (Array.isArray(authors)) {
+      for (const { author, weight } of authors) {
+        console.log('author', { author, weight });
+        postContent.addAuthor(author.reputationPublicKey, weight);
+      }
+    }
+
     for (const { postId, weight } of citations) {
       postContent.addCitation(postId, weight);
     }
 
-    const { pool, postId } = await author.submitPostWithFee(
+    const { pool, postId } = await submitter.submitPostWithFee(
       postContent,
       {
         fee,
@@ -77,11 +87,9 @@ export class ForumTest {
     this.posts = [];
 
     await this.newExpert();
-    // await newExpert();
-    // await newExpert();
 
     await this.dao.addComputedValue('total value', () => this.dao.reputation.getTotal());
     // await this.dao.addComputedValue('total reputation', () => this.dao.forum.getTotalValue());
-    this.dao.computeValues();
+    this.dao.computeDisplayValues();
   }
 }

forum-network/src/tests/scripts/forum/forum10.test.js

@@ -0,0 +1,39 @@
+import { 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('Post with multiple authors', async () => {
+    let forum;
+    let experts;
+    let posts;
+
+    before(async () => {
+      forum = forumTest.forum;
+      experts = forumTest.experts;
+      posts = forumTest.posts;
+
+      await forumTest.newExpert();
+      await forumTest.newExpert();
+    });
+
+    it('Post1', async () => {
+      const authors = [
+        { author: experts[0], weight: 0.5 },
+        { author: experts[1], weight: 0.25 },
+        { author: experts[2], weight: 0.25 },
+      ];
+      await forumTest.addPost(authors, 10);
+      forum.getPost(posts[0]).value.should.equal(10);
+    });
+  });
+});
+
+mochaRun();

forum-network/src/tests/scripts/wdag.test.js

@@ -15,11 +15,11 @@ describe('Query the graph', function tests() {
   before(() => {
     graph = (window.graph = new WDAG()).withFlowchart();
 
-    graph.addVertex({});
-    graph.addVertex({});
-    graph.addVertex({});
-    graph.addVertex({});
-    graph.addVertex({});
+    graph.addVertex('v1', {});
+    graph.addVertex('v1', {});
+    graph.addVertex('v1', {});
+    graph.addVertex('v1', {});
+    graph.addVertex('v1', {});
 
     graph.addEdge('e1', 0, 1, 1);
     graph.addEdge('e1', 2, 1, 0.5);