Merge branch 'develop' into feature/add-ci-support

README.md

@@ -4,28 +4,28 @@
 ## Setup
 
 ```shell script
-cd apella
+cd concordia
 yarn
 ```
 
 ## Compile contracts
 
 ```shell script
-cd packages/apella-contracts
+cd packages/concordia-contracts
 yarn compile
 ```
 
 ## Run app
 
 ```shell script
-cd packages/apella-app
+cd packages/concordia-app
 yarn start
 ```
 
 ## Build app
 
 ```shell script
-cd packages/apella-app
+cd packages/concordia-app
 yarn build
 ```
 

packages/concordia-app/package.json

@@ -37,6 +37,7 @@
     "lodash": "^4.17.20",
     "prop-types": "~15.7.2",
     "react": "~16.13.1",
+    "react-avatar": "~3.9.7",
     "react-dom": "~16.13.1",
     "react-i18next": "^11.7.3",
     "react-markdown": "^5.0.3",
@@ -48,7 +49,7 @@
     "react-timeago": "~5.2.0",
     "redux-saga": "~1.1.3",
     "semantic-ui-css": "~2.4.1",
-    "semantic-ui-react": "~1.2.1",
+    "semantic-ui-react": "~2.0.3",
     "web3": "~1.3.3"
   },
   "devDependencies": {

packages/concordia-app/public/locales/en/translation.json

@@ -69,14 +69,12 @@
   "topbar.button.register": "Sign Up",
   "topic.create.form.content.field.label": "First post content",
   "topic.create.form.content.field.placeholder": "Message",
-  "topic.create.form.post.button": "Post",
+  "topic.create.form.post.button": "Create Topic",
   "topic.create.form.subject.field.label": "Topic subject",
   "topic.create.form.subject.field.placeholder": "Subject",
-  "topic.list.row.author": "by {{author}}",
-  "topic.list.row.number.of.replies": "{{numberOfReplies}} replies",
   "topic.list.row.topic.id": "#{{id}}",
   "username.selector.error.username.empty.message": "Username is required",
   "username.selector.error.username.taken.message": "The username {{username}} is already taken.",
   "username.selector.username.field.label": "Username",
   "username.selector.username.field.placeholder": "Username"
-}
+}

packages/concordia-app/src/assets/About.md

@@ -23,13 +23,13 @@ authentication that makes trusted, direct voting possible.
 
 You can read more about the technological stack in Concordia's [whitepaper][concordia-whitepaper].
 
---- 
+---
 
 Developed by [apostolof][devs-apostolof-profile], [ezerous][devs-ezerous-profile]
 
-[concordia-repository]: https://gitlab.com/ecentrics/apella
-[concordia-docker-hub]: https://hub.docker.com/repository/docker/ecentrics/apella-app
-[concordia-license]: https://gitlab.com/ecentrics/apella/-/blob/master/LICENSE.md
+[concordia-repository]: https://gitlab.com/ecentrics/concordia
+[concordia-docker-hub]: https://hub.docker.com/repository/docker/ecentrics/concordia-app
+[concordia-license]: https://gitlab.com/ecentrics/concordia/-/blob/master/LICENSE.md
 [devs-apostolof-profile]: https://gitlab.com/Apostolof
 [devs-ezerous-profile]: https://gitlab.com/Ezerous
 [concordia-whitepaper]: https://whitepaper.concordia.ecentrics.net

packages/concordia-app/src/assets/css/index.css

@@ -1,6 +1,16 @@
+:root {
+    --primary-color: #EA6954;
+    --primary-color-highlighted: #DB5844;
+    --secondary-color: #0B2540;
+    --secondary-color-highlighted: #061A30;
+}
+
 body.app {
+    height: auto;
+    padding-bottom: 4rem;
     overflow: auto;
     margin: 0;
+    background: #E6E6E6;
 }
 
 div {
@@ -19,3 +29,41 @@ div {
     color: gray;
     font-style: italic;
 }
+
+.primary-button{
+    color: white !important;
+    background-color: var(--primary-color) !important;
+}
+
+.primary-button:hover {
+    background-color: var(--primary-color-highlighted) !important;
+}
+
+.secondary-button{
+    color: white !important;
+    background-color: var(--secondary-color) !important;
+}
+
+.secondary-button:hover {
+    background-color: var(--secondary-color-highlighted) !important;
+}
+
+.skip-button {
+    color: var(--secondary-color) !important;
+    background-color: white !important;
+    box-shadow: 0 0 0 1px var(--secondary-color) inset !important;
+}
+
+.skip-button:hover {
+    color: var(--secondary-color-highlighted) !important;
+    box-shadow: 0 0 0 1px var(--secondary-color-highlighted) inset !important;
+}
+
+.unselectable {
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    -o-user-select: none;
+    user-select: none;
+}

packages/concordia-app/src/assets/particles.js

@@ -16,7 +16,7 @@ const particlesOptions = {
       speed: 0.12,
     },
     size: {
-      value: 1,
+      value: 1.5,
     },
     opacity: {
       anim: {

packages/concordia-app/src/components/ClearDatabasesModal/index.jsx

@@ -126,10 +126,10 @@ const ClearDatabasesModal = (props) => {
 
           {!isClearing && (
               <Modal.Actions>
-                  <Button color="black" basic onClick={onCancelTry} disabled={isClearing}>
+                  <Button className="secondary-button" onClick={onCancelTry} disabled={isClearing}>
                       {t('clear.databases.modal.cancel.button')}
                   </Button>
-                  <Button onClick={handleSubmit} negative disabled={!userConfirmed}>
+                  <Button onClick={handleSubmit} className="primary-button" disabled={!userConfirmed}>
                       {t('clear.databases.modal.clear.button')}
                   </Button>
               </Modal.Actions>

packages/concordia-app/src/components/InitializationScreen/CustomLoader/index.jsx

@@ -8,7 +8,7 @@ import metamaskLogo from '../../../assets/images/metamask_logo.svg';
 import ethereumLogo from '../../../assets/images/ethereum_logo.svg';
 import ipfsLogo from '../../../assets/images/ipfs_logo.svg';
 import orbitdbLogo from '../../../assets/images/orbitdb_logo.svg';
-import appLogo from '../../../assets/images/app_logo.svg';
+import appLogo from '../../../assets/images/app_logo_circle.svg';
 
 const LoadingComponent = (props) => {
   useEffect(() => function cleanup() {

packages/concordia-app/src/components/LoadingScreen.jsx

@@ -1,9 +1,8 @@
 import React from 'react';
+import { Loader } from 'semantic-ui-react';
 
 const LoadingScreen = () => (
-    <div>
-        Loading
-    </div>
+    <Loader active />
 );
 
 export default LoadingScreen;

packages/concordia-app/src/components/PostCreate/index.jsx

@@ -2,7 +2,7 @@ import React, {
   memo, useCallback, useEffect, useState,
 } from 'react';
 import {
-  Button, Feed, Form, Icon, Image, TextArea,
+  Button, Feed, Form, Icon, TextArea,
 } from 'semantic-ui-react';
 import PropTypes from 'prop-types';
 import { useTranslation } from 'react-i18next';
@@ -12,7 +12,6 @@ import { POSTS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/or
 import { POST_CREATED_EVENT } from 'concordia-shared/src/constants/contracts/events/ForumContractEvents';
 import determineKVAddress from '../../utils/orbitUtils';
 import { FETCH_USER_DATABASE } from '../../redux/actions/peerDbReplicationActions';
-import { USER_PROFILE_PICTURE } from '../../constants/orbit/UserDatabaseKeys';
 import { breeze, drizzle } from '../../redux/store';
 import './styles.css';
 import { TRANSACTION_ERROR, TRANSACTION_SUCCESS } from '../../constants/TransactionStatus';
@@ -28,7 +27,6 @@ const PostCreate = (props) => {
   const transactionStack = useSelector((state) => state.transactionStack);
   const transactions = useSelector((state) => state.transactions);
   const [postContent, setPostContent] = useState('');
-  const [userProfilePictureUrl, setUserProfilePictureUrl] = useState();
   const [createPostCacheSendStackId, setCreatePostCacheSendStackId] = useState('');
   const [posting, setPosting] = useState(false);
   const [storingPost, setStoringPost] = useState(false);
@@ -44,9 +42,7 @@ const PostCreate = (props) => {
           const userFound = users
             .find((user) => user.id === userOrbitAddress);
 
-          if (userFound) {
-            setUserProfilePictureUrl(userFound[USER_PROFILE_PICTURE]);
-          } else {
+          if (!userFound) {
             dispatch({
               type: FETCH_USER_DATABASE,
               orbit,
@@ -122,23 +118,6 @@ const PostCreate = (props) => {
   return (
       <Feed>
           <Feed.Event>
-              <Feed.Label className="post-profile-picture">
-                  {userProfilePictureUrl
-                    ? (
-                        <Image
-                          avatar
-                          src={userProfilePictureUrl}
-                        />
-                    )
-                    : (
-                        <Icon
-                          name="user circle"
-                          size="big"
-                          inverted
-                          color="black"
-                        />
-                    )}
-              </Feed.Label>
               <Feed.Content>
                   <Feed.Summary>
                       <Form>
@@ -152,12 +131,12 @@ const PostCreate = (props) => {
                           />
                       </Form>
                   </Feed.Summary>
-                  <Feed.Meta>
+                  <Feed.Meta id="post-button-div">
                       <Feed.Like>
-                          <Form.Button
+                          <Button
                             animated
                             type="button"
-                            color="green"
+                            className="primary-button"
                             disabled={posting || postContent === ''}
                             onClick={savePost}
                           >
@@ -167,7 +146,7 @@ const PostCreate = (props) => {
                               <Button.Content hidden>
                                   <Icon name="send" />
                               </Button.Content>
-                          </Form.Button>
+                          </Button>
                       </Feed.Like>
                   </Feed.Meta>
               </Feed.Content>

packages/concordia-app/src/components/PostCreate/styles.css

@@ -1,7 +1,3 @@
-.post-profile-picture {
-    margin: 5px 0 0 0;
-}
-
 .post-summary-meta-index {
     float: right;
     font-size: 12px;
@@ -11,3 +7,12 @@
 .like:hover .icon {
     color: #fff !important;
 }
+
+#post-button-div {
+    float: right;
+    margin: 1rem 0 4rem 0;
+}
+
+#post-button-div button {
+    margin: 0;
+}

packages/concordia-app/src/components/PostList/PostListRow/index.jsx

@@ -2,7 +2,7 @@ import React, {
   memo, useEffect, useMemo, useState, useCallback,
 } from 'react';
 import {
-  Dimmer, Icon, Image, Feed, Placeholder, Ref,
+  Dimmer, Feed, Placeholder, Ref,
 } from 'semantic-ui-react';
 import PropTypes from 'prop-types';
 import { useTranslation } from 'react-i18next';
@@ -15,8 +15,9 @@ import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationAct
 import { breeze } from '../../../redux/store';
 import './styles.css';
 import determineKVAddress from '../../../utils/orbitUtils';
-import { USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
 import { POST_CONTENT } from '../../../constants/orbit/PostsDatabaseKeys';
+import ProfileImage from '../../ProfileImage';
+import PostVoting from '../PostVoting';
 
 const { orbit } = breeze;
 
@@ -90,34 +91,6 @@ const PostListRow = (props) => {
     }
   }, [postAuthorAddress, users]);
 
-  const authorAvatar = useMemo(() => (postAuthorMeta !== null && postAuthorMeta[USER_PROFILE_PICTURE]
-    ? (
-        <Image
-          avatar
-          src={postAuthorMeta[USER_PROFILE_PICTURE]}
-        />
-    )
-    : (
-        <Icon
-          name="user circle"
-          size="big"
-          inverted
-          color="black"
-        />
-    )), [postAuthorMeta]);
-
-  const authorAvatarLink = useMemo(() => {
-    if (postAuthorAddress) {
-      return (
-          <Link to={`/users/${postAuthorAddress}`}>
-              {authorAvatar}
-          </Link>
-      );
-    }
-
-    return authorAvatar;
-  }, [authorAvatar, postAuthorAddress]);
-
   const focusRef = useCallback((node) => {
     if (focus && node !== null) {
       node.scrollIntoView({ behavior: 'smooth' });
@@ -130,13 +103,20 @@ const PostListRow = (props) => {
         blurring
         dimmed={loading}
         id={`post-${postId}`}
+        className="post-list-row"
       >
           <Ref innerRef={focusRef}>
               <Feed.Label className="post-profile-picture">
-                  {authorAvatarLink}
+                  <ProfileImage
+                    topicAuthorAddress={postAuthorAddress}
+                    topicAuthor={postAuthor}
+                    topicAuthorMeta={postAuthorMeta}
+                    size="42"
+                    link
+                  />
               </Feed.Label>
           </Ref>
-          <Feed.Content>
+          <Feed.Content className="post-content">
               <Feed.Summary>
                   <Link to={`/topics/${topicId}/#post-${postId}`}>
                       <span className="post-summary-meta-index">
@@ -147,7 +127,7 @@ const PostListRow = (props) => {
                     ? (
                         <>
                             <Feed.User as={Link} to={`/users/${postAuthorAddress}`}>{postAuthor}</Feed.User>
-                            <Feed.Date className="post-summary-meta-date">
+                            <Feed.Date>
                                 <TimeAgo date={timeAgo} />
                             </Feed.Date>
                         </>
@@ -159,10 +139,10 @@ const PostListRow = (props) => {
                     ? postContent
                     : <Placeholder><Placeholder.Line length="long" /></Placeholder>}
               </Feed.Extra>
+              <PostVoting postId={postId} postAuthorAddress={postAuthorAddress} />
           </Feed.Content>
       </Dimmer.Dimmable>
-  ), [
-    authorAvatarLink, focusRef, loading, postAuthor, postAuthorAddress, postContent, postId, postIndex, t, timeAgo,
+  ), [focusRef, loading, postAuthor, postAuthorAddress, postAuthorMeta, postContent, postId, postIndex, t, timeAgo,
     topicId,
   ]);
 };

packages/concordia-app/src/components/PostList/PostListRow/styles.css

@@ -1,9 +1,36 @@
+.post-list-row {
+    padding: 1.2rem 0.1rem 1.2rem 0.6rem !important;
+}
+
 .post-profile-picture {
-    margin: 5px 0 0 0;
+    margin-top: 0.9rem;
+}
+
+.post-content {
+    margin-left: 1.3rem !important;
+}
+
+.post-content > div.summary {
+    font-size: 1rem !important;
+}
+
+.post-content > div.extra {
+    padding-right: 1rem !important;
+}
+
+.post-content .placeholder {
+    margin: 0.5rem 0 0;
+    font-size: 2rem !important;
+}
+
+.post-content .placeholder > .line{
+    height: auto;
 }
 
 .post-summary-meta-index {
     float: right;
-    font-size: 12px;
+    width: 3rem;
+    text-align: right;
+    font-size: 0.75rem !important;
     opacity: 0.4;
 }

packages/concordia-app/src/components/PostList/PostVoting/index.jsx

@@ -0,0 +1,177 @@
+import React, {
+  memo, useCallback, useEffect, useMemo, useState,
+} from 'react';
+import { Button, Popup } from 'semantic-ui-react';
+import PropTypes from 'prop-types';
+import { useSelector } from 'react-redux';
+import { POST_VOTING_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import { drizzle } from '../../../redux/store';
+import { TRANSACTION_ERROR, TRANSACTION_SUCCESS } from '../../../constants/TransactionStatus';
+import './styles.css';
+
+const CHOICE_DEFAULT = '0';
+const CHOICE_UP = '1';
+const CHOICE_DOWN = '2';
+
+const {
+  contracts: {
+    [POST_VOTING_CONTRACT]: {
+      methods: {
+        getVote: { cacheCall: getVoteChainData },
+        getTotalVoteCount: { cacheCall: getTotalVoteCountChainData },
+        getUpvoteCount: { cacheCall: getUpvoteCountChainData },
+        getDownvoteCount: { cacheCall: getDownvoteCountChainData },
+        upvote, downvote, unvote,
+      },
+    },
+  },
+} = drizzle;
+
+const PostVoting = (props) => {
+  const { postId, postAuthorAddress } = props;
+  const drizzleInitialized = useSelector((state) => state.drizzleStatus.initialized);
+  const drizzleInitializationFailed = useSelector((state) => state.drizzleStatus.failed);
+  const hasSignedUp = useSelector((state) => state.user.hasSignedUp);
+  const userAccount = useSelector((state) => state.accounts[0]);
+
+  // Current votes
+  const [getVoteCallHash, setGetVoteCallHash] = useState(null);
+  const [getTotalVoteCountCallHash, setGetTotalVoteCountCallHash] = useState(null);
+  const [getUpvoteCountCallHash, setGetUpvoteCountCallHash] = useState(null);
+  const [getDownvoteCountCallHash, setGetDownvoteCountCallHash] = useState(null);
+
+  const getVoteResult = useSelector((state) => state.contracts[POST_VOTING_CONTRACT].getVote[getVoteCallHash]);
+  const getTotalVoteCountResult = useSelector((state) => state.contracts[POST_VOTING_CONTRACT].getTotalVoteCount[getTotalVoteCountCallHash]);
+  const getUpvoteCountResult = useSelector((state) => state.contracts[POST_VOTING_CONTRACT].getUpvoteCount[getUpvoteCountCallHash]);
+  const getDownvoteCountResult = useSelector((state) => state.contracts[POST_VOTING_CONTRACT].getDownvoteCount[getDownvoteCountCallHash]);
+
+  const [ownVote, setOwnVote] = useState(null);
+  const [totalVoteCount, setTotalVoteCount] = useState(null);
+  const [upvoteCount, setUpvoteCount] = useState(null);
+  const [downvoteCount, setDownvoteCount] = useState(null);
+
+  // Voting
+  const transactionStack = useSelector((state) => state.transactionStack);
+  const transactions = useSelector((state) => state.transactions);
+  const [voting, setVoting] = useState(false);
+  const [createVoteCacheSendStackId, setVoteCacheSendStackId] = useState('');
+
+  // Current votes
+  useEffect(() => {
+    if (drizzleInitialized && !drizzleInitializationFailed && postId !== null) {
+      if (getTotalVoteCountCallHash === null) setGetTotalVoteCountCallHash(getTotalVoteCountChainData(postId));
+      if (getUpvoteCountCallHash === null) setGetUpvoteCountCallHash(getUpvoteCountChainData(postId));
+      if (getDownvoteCountCallHash === null) setGetDownvoteCountCallHash(getDownvoteCountChainData(postId));
+    }
+  }, [drizzleInitializationFailed, drizzleInitialized, getDownvoteCountCallHash,
+    getTotalVoteCountCallHash, getUpvoteCountCallHash, postId]);
+
+  useEffect(() => {
+    const shouldGetOwnVoteFromChain = ownVote === null;
+
+    if (drizzleInitialized && !drizzleInitializationFailed && shouldGetOwnVoteFromChain
+            && postId !== null && userAccount !== null && getVoteCallHash === null) {
+      setGetVoteCallHash(getVoteChainData(postId, userAccount));
+    }
+  }, [drizzleInitializationFailed, drizzleInitialized, getVoteCallHash, ownVote, postId, userAccount]);
+
+  useEffect(() => {
+    if (getVoteResult) {
+      setOwnVote(getVoteResult.value);
+    }
+  }, [getVoteResult]);
+
+  useEffect(() => {
+    if (getTotalVoteCountResult) {
+      setTotalVoteCount(getTotalVoteCountResult.value);
+    }
+  }, [getTotalVoteCountResult]);
+
+  useEffect(() => {
+    if (getUpvoteCountResult) {
+      setUpvoteCount(getUpvoteCountResult.value);
+    }
+  }, [getUpvoteCountResult]);
+
+  useEffect(() => {
+    if (getDownvoteCountResult) {
+      setDownvoteCount(getDownvoteCountResult.value);
+    }
+  }, [getDownvoteCountResult]);
+
+  // Voting
+  useEffect(() => {
+    if (voting && transactionStack && transactionStack[createVoteCacheSendStackId]
+            && transactions[transactionStack[createVoteCacheSendStackId]]) {
+      if (transactions[transactionStack[createVoteCacheSendStackId]].status === TRANSACTION_SUCCESS
+          || transactions[transactionStack[createVoteCacheSendStackId]].status === TRANSACTION_ERROR) {
+        setVoting(false);
+      }
+    }
+  }, [createVoteCacheSendStackId, transactionStack, transactions, voting]);
+
+  const vote = useCallback((choice) => {
+    if (voting) return;
+
+    setVoting(true);
+    if ((ownVote === CHOICE_DEFAULT || ownVote === CHOICE_DOWN) && choice === CHOICE_UP) setVoteCacheSendStackId(upvote.cacheSend(...[postId], { from: userAccount }));
+    else if ((ownVote === CHOICE_DEFAULT || ownVote === CHOICE_UP) && choice === CHOICE_DOWN) setVoteCacheSendStackId(downvote.cacheSend(...[postId], { from: userAccount }));
+    else if ((ownVote === CHOICE_UP && choice === CHOICE_UP) || (ownVote === CHOICE_DOWN && choice === CHOICE_DOWN)) setVoteCacheSendStackId(unvote.cacheSend(...[postId], { from: userAccount }));
+  }, [ownVote, postId, userAccount, voting]);
+
+  const disableVoting = userAccount === null || !hasSignedUp || postAuthorAddress === null || userAccount === postAuthorAddress;
+  return useMemo(() => (
+      <div className="post-voting">
+          <Button
+            compact
+            size="mini"
+            icon="arrow down"
+            negative={ownVote === CHOICE_DOWN}
+            disabled={disableVoting}
+            onClick={() => vote(CHOICE_DOWN)}
+          />
+          <Popup
+            trigger={(
+                <span className="unselectable">
+              &nbsp;&nbsp;
+                    {totalVoteCount || 0}
+                        &nbsp;&nbsp;
+                </span>
+            )}
+            disabled={(upvoteCount === null && downvoteCount === null) || (upvoteCount === '0' && downvoteCount === '0')}
+            position="bottom center"
+          >
+              {upvoteCount !== '0' ? (
+                  <span className="upvote-count">
+                      +
+                      {upvoteCount}
+                        &nbsp;&nbsp;
+                  </span>
+              ) : null}
+
+              {downvoteCount !== '0' ? (
+                  <span className="downvote-count">
+                      -
+                      {downvoteCount}
+                  </span>
+              ) : null}
+          </Popup>
+          <Button
+            compact
+            size="mini"
+            icon="arrow up"
+            positive={ownVote === CHOICE_UP}
+            disabled={disableVoting}
+            onClick={() => vote(CHOICE_UP)}
+          />
+      </div>
+  ), [disableVoting, downvoteCount, ownVote, totalVoteCount, upvoteCount, vote]);
+};
+
+PostVoting.propTypes = {
+  postId: PropTypes.number.isRequired,
+  postAuthorAddress: PropTypes.string,
+  totalVoteCount: PropTypes.number,
+};
+
+export default memo(PostVoting);

packages/concordia-app/src/components/PostList/PostVoting/styles.css

@@ -0,0 +1,20 @@
+.post-voting {
+    float: left;
+    margin-top: 1.2rem;
+}
+
+.post-voting > button {
+    margin: 0 !important;
+}
+
+.post-voting > span{
+    vertical-align: middle;
+}
+
+.upvote-count {
+    color: #21ba45;
+}
+
+.downvote-count {
+    color: #db2828;
+}

packages/concordia-app/src/components/PostList/index.jsx

@@ -3,7 +3,9 @@ import React, {
 } from 'react';
 import PropTypes from 'prop-types';
 import { useSelector } from 'react-redux';
-import { Dimmer, Feed, Loader } from 'semantic-ui-react';
+import {
+  Dimmer, Feed, Loader,
+} from 'semantic-ui-react';
 import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import PostListRow from './PostListRow';
 import { drizzle } from '../../redux/store';

packages/concordia-app/src/components/ProfileImage.jsx

@@ -0,0 +1,52 @@
+import React, { useMemo } from 'react';
+import Avatar from 'react-avatar';
+import { Link } from 'react-router-dom';
+import PropTypes from 'prop-types';
+import { USER_PROFILE_PICTURE } from '../constants/orbit/UserDatabaseKeys';
+
+const ProfileImage = (props) => {
+  const {
+    topicAuthorAddress, topicAuthor, topicAuthorMeta, avatarUrl, size, link,
+  } = props;
+
+  const stopClickPropagation = (event) => {
+    event.stopPropagation();
+  };
+
+  const authorAvatar = useMemo(() => {
+    let profileImageUrl = '';
+    if (avatarUrl) profileImageUrl = avatarUrl;
+    else if (topicAuthorMeta && topicAuthorMeta[USER_PROFILE_PICTURE]) profileImageUrl = topicAuthorMeta[USER_PROFILE_PICTURE];
+
+    return (
+        <Avatar
+          name={topicAuthor}
+          size={size}
+          round
+          src={profileImageUrl}
+        />
+    );
+  }, [avatarUrl, size, topicAuthor, topicAuthorMeta]);
+
+  return useMemo(() => {
+    if (link && topicAuthorAddress) {
+      return (
+          <Link to={`/users/${topicAuthorAddress}`} onClick={stopClickPropagation}>
+              {authorAvatar}
+          </Link>
+      );
+    }
+    return authorAvatar;
+  }, [authorAvatar, link, topicAuthorAddress]);
+};
+
+ProfileImage.propTypes = {
+  topicAuthorAddress: PropTypes.string,
+  topicAuthor: PropTypes.string,
+  topicAuthorMeta: PropTypes.shape({ id: PropTypes.string, profile_picture: PropTypes.string }),
+  avatarUrl: PropTypes.string,
+  size: PropTypes.string,
+  link: PropTypes.bool,
+};
+
+export default ProfileImage;

packages/concordia-app/src/components/TopicList/TopicListRow/index.jsx

@@ -2,7 +2,7 @@ import React, {
   memo, useEffect, useMemo, useState,
 } from 'react';
 import {
-  Dimmer, Grid, Image, List, Placeholder,
+  Dimmer, Grid, Icon, Item, List, Placeholder, Segment,
 } from 'semantic-ui-react';
 import PropTypes from 'prop-types';
 import { useTranslation } from 'react-i18next';
@@ -12,11 +12,11 @@ import { useDispatch, useSelector } from 'react-redux';
 import { Link } from 'react-router-dom';
 import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import { TOPICS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
+import ProfileImage from '../../ProfileImage';
 import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationActions';
 import { breeze } from '../../../redux/store';
 import './styles.css';
 import determineKVAddress from '../../../utils/orbitUtils';
-import { USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
 import { TOPIC_SUBJECT } from '../../../constants/orbit/TopicsDatabaseKeys';
 
 const { orbit } = breeze;
@@ -42,7 +42,7 @@ const TopicListRow = (props) => {
       setTopicAuthorAddress(getTopicResults[topicCallHash].value[0]);
       setTopicAuthor(getTopicResults[topicCallHash].value[1]);
       setTimeAgo(getTopicResults[topicCallHash].value[2] * 1000);
-      setNumberOfReplies(getTopicResults[topicCallHash].value[3].length);
+      setNumberOfReplies(getTopicResults[topicCallHash].value[3].length - 1);
     }
   }, [getTopicResults, loading, topicCallHash]);
 
@@ -94,87 +94,78 @@ const TopicListRow = (props) => {
     event.stopPropagation();
   };
 
-  const authorAvatar = useMemo(() => (topicAuthorMeta !== null && topicAuthorMeta[USER_PROFILE_PICTURE]
-    ? (
-        <Image
-          className="profile-picture"
-          avatar
-          src={topicAuthorMeta[USER_PROFILE_PICTURE]}
-        />
-    )
-    : (
-        <List.Icon
-          name="user circle"
-          size="big"
-          inverted
-          color="black"
-          verticalAlign="middle"
-        />
-    )), [topicAuthorMeta]);
-
-  const authorAvatarLink = useMemo(() => {
-    if (topicAuthorAddress) {
-      return (
-          <Link to={`/users/${topicAuthorAddress}`} onClick={stopClickPropagation}>
-              {authorAvatar}
-          </Link>
-      );
-    }
-
-    return authorAvatar;
-  }, [authorAvatar, topicAuthorAddress]);
-
   return useMemo(() => {
     const handleTopicClick = () => {
       history.push(`/topics/${topicId}`);
     };
-
     return (
-        <Dimmer.Dimmable as={List.Item} onClick={handleTopicClick} blurring dimmed={loading} className="list-item">
-            {authorAvatarLink}
-            <List.Content className="list-content">
-                <List.Header>
-                    <Grid>
-                        <Grid.Column floated="left" width={14}>
-                            {topicSubject !== null
-                              ? topicSubject
-                              : <Placeholder><Placeholder.Line length="very long" /></Placeholder>}
-                        </Grid.Column>
-                        <Grid.Column floated="right" width={2} textAlign="right">
-                            <span className="topic-metadata">
-                                {t('topic.list.row.topic.id', { id: topicId })}
-                            </span>
-                        </Grid.Column>
-                    </Grid>
-                </List.Header>
-                <List.Description>
-                    <Grid verticalAlign="middle">
-                        <Grid.Column floated="left" width={14}>
-                            {topicAuthor !== null && timeAgo !== null
-                              ? (
-                                  <div>
-                                      {t('topic.list.row.author', { author: topicAuthor })}
-                                      ,&nbsp;
-                                      <TimeAgo date={timeAgo} />
-                                  </div>
-                              )
-                              : <Placeholder><Placeholder.Line length="long" /></Placeholder>}
-                        </Grid.Column>
-                        <Grid.Column floated="right" width={2} textAlign="right">
-                            {numberOfReplies !== null
-                              ? (
-                                  <span className="topic-metadata">
-                                      {t('topic.list.row.number.of.replies', { numberOfReplies })}
-                                  </span>
-                              )
-                              : <Placeholder fluid><Placeholder.Line /></Placeholder>}
-                        </Grid.Column>
-                    </Grid>
-                </List.Description>
-            </List.Content>
+        <Dimmer.Dimmable as={List.Item} blurring dimmed={loading} className="topic-row" onClick={handleTopicClick}>
+            <Segment className="topic-row-segment">
+                <Grid columns={2}>
+                    <Grid.Column width={1} className="topic-row-avatar">
+                        <Item>
+                            <ProfileImage
+                              topicAuthorAddress={topicAuthorAddress}
+                              topicAuthor={topicAuthor}
+                              topicAuthorMeta={topicAuthorMeta}
+                              size="65"
+                              link
+                            />
+                        </Item>
+                    </Grid.Column>
+                    <Grid.Column width={15} className="topic-row-content">
+                        <Grid verticalAlign="middle" columns={2}>
+                            <Grid.Row>
+                                <Grid.Column floated="left" width={14} className="topic-row-subject">
+                                    {topicSubject !== null
+                                      ? topicSubject
+                                      : <Placeholder><Placeholder.Line length="very long" /></Placeholder>}
+                                </Grid.Column>
+                                <Grid.Column floated="right" width={2} textAlign="right">
+                                    <span className="topic-row-metadata">
+                                        {t('topic.list.row.topic.id', { id: topicId })}
+                                    </span>
+                                </Grid.Column>
+                            </Grid.Row>
+                            <Grid.Row>
+                                <Grid.Column floated="left" width={14}>
+                                    {topicAuthor !== null && timeAgo !== null
+                                      ? (
+                                          <div>
+                                              <TimeAgo date={timeAgo} />
+                                                  &nbsp;•&nbsp;
+                                              <Link to={`/users/${topicAuthorAddress}`} onClick={stopClickPropagation}>
+                                                  {topicAuthor}
+                                              </Link>
+                                          </div>
+                                      )
+                                      : <Placeholder><Placeholder.Line length="long" /></Placeholder>}
+                                </Grid.Column>
+                                <Grid.Column floated="right" width={2} textAlign="right">
+                                    {numberOfReplies !== null
+                                      ? (
+                                          <span className="topic-row-metadata">
+                                              <Icon name="reply" fitted />
+                                              &nbsp;
+                                              { numberOfReplies }
+                                          </span>
+                                      )
+                                      : (
+                                          <Placeholder fluid className="replies-placeholder">
+                                              <Placeholder.Line />
+                                          </Placeholder>
+                                      )}
+                                </Grid.Column>
+                            </Grid.Row>
+                        </Grid>
+                    </Grid.Column>
+                </Grid>
+
+            </Segment>
+
         </Dimmer.Dimmable>
     );
-  }, [authorAvatarLink, history, loading, numberOfReplies, t, timeAgo, topicAuthor, topicId, topicSubject]);
+  }, [history, loading, numberOfReplies, t, timeAgo, topicAuthor, topicAuthorAddress, topicAuthorMeta, topicId, topicSubject]);
 };
 
 TopicListRow.defaultProps = {

packages/concordia-app/src/components/TopicList/TopicListRow/styles.css

@@ -1,21 +1,55 @@
-.topic-metadata {
-    font-size: 12px !important;
-    font-weight: initial;
-}
-
-.list-item {
+.topic-row {
     display: flex !important;
     text-align: start;
-}
-
-.profile-picture {
     cursor: pointer;
-    max-width: 36px;
-    max-height: 36px;
-    margin: 0;
-    vertical-align: middle;
 }
 
-.list-content {
+.topic-row-segment {
     flex-grow: 1;
 }
+
+.topic-row-segment:hover {
+   background-color: #F7F7F7;
+}
+
+.topic-row-segment div {
+    color: black;
+}
+
+.topic-row-segment .placeholder{
+    font-size: 0.9rem;
+}
+
+.topic-row-segment .placeholder>.line {
+    background-color:transparent;
+}
+
+.topic-row-avatar {
+    margin: auto;
+    padding-left: 1rem !important;
+    padding-right: 0 !important;
+    font-size: 2rem;
+    color: red;
+}
+
+.topic-row-avatar span{
+    color: white;
+}
+
+.topic-row-content {
+    padding-left: 2rem !important;
+}
+
+.topic-row-subject {
+    font-size: 1.4rem;
+    font-weight: bold;
+}
+
+.topic-row-metadata {
+    font-size: 0.9em !important;
+}
+
+.replies-placeholder{
+    float:right;
+    width: 6rem;
+}

packages/concordia-app/src/components/TopicList/index.jsx

@@ -7,6 +7,7 @@ import { List } from 'semantic-ui-react';
 import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import TopicListRow from './TopicListRow';
 import { drizzle } from '../../redux/store';
+import './styles.css';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { getTopic: { cacheCall: getTopicChainData } } } } } = drizzle;
 
@@ -51,7 +52,7 @@ const TopicList = (props) => {
     }), [getTopicCallHashes, topicIds]);
 
   return (
-      <List selection divided id="topic-list" size="big">
+      <List id="topic-list" size="big">
           {topics}
       </List>
   );

packages/concordia-app/src/components/TopicList/styles.css

@@ -1,3 +1,6 @@
 #topic-list{
     height: 100%;
+    margin-bottom: 4em;
+    clear: both;
 }
+

packages/concordia-app/src/layouts/MainLayout/MainLayoutMenu/index.jsx

@@ -42,17 +42,6 @@ const MainLayoutMenu = () => {
                       <img src={appLogo} alt="app_logo" />
                   </Menu.Item>
                   <Menu.Menu position="right">
-                      {hasSignedUp && history.location.pathname === '/home' && (
-                          <Menu.Item
-                            link
-                            name="create-topic"
-                            key="create-topic"
-                            onClick={() => history.push('/topics/new')}
-                            position="right"
-                          >
-                              {t('topbar.button.create.topic')}
-                          </Menu.Item>
-                      )}
                       {hasSignedUp
                         ? (
                             <Menu.Item

packages/concordia-app/src/layouts/MainLayout/MainLayoutMenu/styles.css

@@ -3,7 +3,7 @@
 }
 
 .ui.inverted.menu {
-    background: #0B2540 !important;
+    background: var(--secondary-color) !important;
     border-radius: 0;
-    margin-bottom: 5em;
+    margin-bottom: 4rem;
 }

packages/concordia-app/src/redux/actions/contractEventActions.js

@@ -4,17 +4,23 @@ import {
   USER_SIGNED_UP_EVENT,
   USERNAME_UPDATED_EVENT,
 } from 'concordia-shared/src/constants/contracts/events/ForumContractEvents';
+import {
+  USER_VOTED_POST_EVENT,
+} from 'concordia-shared/src/constants/contracts/events/PostVotingContractEvents';
 
 export const FORUM_EVENT_USER_SIGNED_UP = 'FORUM_EVENT_USER_SIGNED_UP';
 export const FORUM_EVENT_USERNAME_UPDATED = 'FORUM_EVENT_USERNAME_UPDATED';
 export const FORUM_EVENT_TOPIC_CREATED = 'FORUM_EVENT_TOPIC_CREATED';
 export const FORUM_EVENT_POST_CREATED = 'FORUM_EVENT_POST_CREATED';
 
+export const POST_VOTING_USER_VOTED_POST = 'POST_VOTING_USER_VOTED_POST';
+
 const eventActionMap = {
   [USER_SIGNED_UP_EVENT]: FORUM_EVENT_USER_SIGNED_UP,
   [USERNAME_UPDATED_EVENT]: FORUM_EVENT_USERNAME_UPDATED,
   [TOPIC_CREATED_EVENT]: FORUM_EVENT_TOPIC_CREATED,
   [POST_CREATED_EVENT]: FORUM_EVENT_POST_CREATED,
+  [USER_VOTED_POST_EVENT]: POST_VOTING_USER_VOTED_POST,
 };
 
 export default eventActionMap;

packages/concordia-app/src/views/About/index.jsx

@@ -6,6 +6,8 @@ import { Container, Image } from 'semantic-ui-react';
 import AboutMd from '../../assets/About.md';
 import appLogo from '../../assets/images/app_logo_circle.svg';
 
+import './styles.css';
+
 const targetBlank = () => ({ href, children }) => (
     <a href={href} target="_blank" rel="noopener noreferrer">
         {children}
@@ -26,7 +28,7 @@ const About = () => {
   return (
       <Container id="about-container">
           <div style={{ textAlign: 'center' }}>
-              <Image src={appLogo} size="small" centered />
+              <Image id="app-logo" src={appLogo} size="small" centered />
               {`v${process.env.REACT_APP_VERSION}`}
           </div>
           <ReactMarkdown

packages/concordia-app/src/views/About/styles.css

@@ -0,0 +1,3 @@
+#app-logo{
+    margin-bottom: 1rem;
+}

packages/concordia-app/src/views/Home/Board/index.jsx

@@ -1,43 +1,63 @@
 import React, { useMemo } from 'react';
-import { Header } from 'semantic-ui-react';
+import { Button, Header } from 'semantic-ui-react';
+import { useSelector } from 'react-redux';
+import { useHistory } from 'react-router';
 import _ from 'lodash';
 import { useTranslation } from 'react-i18next';
-import { useSelector } from 'react-redux';
 import PropTypes from 'prop-types';
+
 import TopicList from '../../../components/TopicList';
 
+import './styles.css';
+
 const Board = (props) => {
   const { numberOfTopics } = props;
-  const userHasSignedUp = useSelector((state) => state.user.hasSignedUp);
+  const hasSignedUp = useSelector((state) => state.user.hasSignedUp);
+  const history = useHistory();
   const { t } = useTranslation();
 
-  const boardContents = useMemo(() => {
-    if (numberOfTopics > 0) {
-      return (<TopicList topicIds={_.rangeRight(0, numberOfTopics)} />);
-    } if (!userHasSignedUp) {
-      return (
-          <div className="vertical-center-in-parent">
-              <Header textAlign="center" as="h2">
-                  {t('board.header.no.topics.message')}
-              </Header>
-              <Header textAlign="center" as="h3">
-                  {t('board.sub.header.no.topics.guest')}
-              </Header>
-          </div>
-      );
-    }
-
-    return (
-        <div className="vertical-center-in-parent">
-            <Header textAlign="center" as="h2">
-                {t('board.header.no.topics.message')}
-            </Header>
-            <Header textAlign="center" as="h3">
-                {t('board.sub.header.no.topics.user')}
-            </Header>
-        </div>
-    );
-  }, [numberOfTopics, userHasSignedUp, t]);
+  const boardContents = useMemo(() => (
+      <>
+          {hasSignedUp
+            ? (
+                <Button
+                  id="new-topic-button"
+                  className="primary-button"
+                  content="New Topic"
+                  icon="plus"
+                  labelPosition="left"
+                  positive
+                  onClick={() => history.push('/topics/new')}
+                />
+            )
+            : null}
+          {/* eslint-disable-next-line no-nested-ternary */}
+          {numberOfTopics > 0
+            ? (<TopicList topicIds={_.rangeRight(0, numberOfTopics)} />)
+            : (!hasSignedUp
+              ? (
+                  <div id="no-topic-message" className="vertical-center-in-parent">
+                      <Header textAlign="center" as="h2">
+                          {t('board.header.no.topics.message')}
+                      </Header>
+                      <Header textAlign="center" as="h3">
+                          {t('board.sub.header.no.topics.guest')}
+                      </Header>
+                  </div>
+              )
+              : (
+                  <div id="no-topic-message" className="vertical-center-in-parent">
+                      <Header textAlign="center" as="h2">
+                          {t('board.header.no.topics.message')}
+                      </Header>
+                      <Header textAlign="center" as="h3">
+                          {t('board.sub.header.no.topics.user')}
+                      </Header>
+                  </div>
+              ))}
+
+      </>
+  ), [numberOfTopics, hasSignedUp, t, history]);
 
   return (boardContents);
 };

packages/concordia-app/src/views/Home/Board/styles.css

@@ -0,0 +1,9 @@
+#no-topic-message {
+    padding-top: 7rem;
+    clear: both;
+}
+
+#new-topic-button{
+    float:right;
+    margin-bottom: 2em;
+}

packages/concordia-app/src/views/Profile/GeneralTab/EditInformationModal/index.jsx

@@ -197,10 +197,11 @@ const EditInformationModal = (props) => {
               </Modal.Description>
           </Modal.Content>
           <Modal.Actions>
-              <Button color="black" onClick={onCancel}>
+              <Button className="secondary-button" onClick={onCancel}>
                   {t('edit.information.modal.form.cancel.button')}
               </Button>
               <Button
+                className="primary-button"
                 content={t('edit.information.modal.form.submit.button')}
                 labelPosition="right"
                 icon="checkmark"

packages/concordia-app/src/views/Profile/GeneralTab/index.jsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useMemo, useState } from 'react';
 import {
-  Button, Icon, Image, Placeholder, Table,
+  Button, Icon, Placeholder, Table,
 } from 'semantic-ui-react';
 import PropTypes from 'prop-types';
 import { useDispatch, useSelector } from 'react-redux';
@@ -10,8 +10,9 @@ import determineKVAddress from '../../../utils/orbitUtils';
 import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationActions';
 import { breeze } from '../../../redux/store';
 import { USER_LOCATION, USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
-import './styles.css';
 import EditInformationModal from './EditInformationModal';
+import ProfileImage from '../../../components/ProfileImage';
+import './styles.css';
 
 const { orbit } = breeze;
 
@@ -66,24 +67,6 @@ const GeneralTab = (props) => {
     }
   }, [dispatch, profileAddress, users]);
 
-  const authorAvatar = useMemo(() => (profileMetadataFetched && userAvatarUrl
-    ? (
-        <Image
-          className="general-tab-profile-picture"
-          centered
-          size="tiny"
-          src={userAvatarUrl}
-        />
-    )
-    : (
-        <Icon
-          name="user circle"
-          size="massive"
-          inverted
-          color="black"
-        />
-    )), [profileMetadataFetched, userAvatarUrl]);
-
   const userLocationCell = useMemo(() => {
     if (!profileMetadataFetched) {
       return (
@@ -123,7 +106,14 @@ const GeneralTab = (props) => {
           <Table basic="very" singleLine>
               <Table.Body>
                   <Table.Row textAlign="center">
-                      <Table.Cell colSpan="3">{authorAvatar}</Table.Cell>
+                      <Table.Cell colSpan="3" className="profile-image">
+                          <ProfileImage
+                            topicAuthorAddress={profileAddress}
+                            topicAuthor={username}
+                            avatarUrl={userAvatarUrl}
+                            size="160"
+                          />
+                      </Table.Cell>
                   </Table.Row>
                   <Table.Row>
                       <Table.Cell><strong>{t('profile.general.tab.username.row.title')}</strong></Table.Cell>
@@ -172,7 +162,7 @@ const GeneralTab = (props) => {
                   <Table.Row>
                       <Table.Cell><strong>{t('profile.general.tab.registration.date.row.title')}</strong></Table.Cell>
                       <Table.Cell>
-                          {new Date(userRegistrationTimestamp * 1000).toLocaleString()}
+                          {new Date(userRegistrationTimestamp * 1000).toLocaleString('el-gr', { hour12: false })}
                       </Table.Cell>
                   </Table.Row>
               </Table.Body>
@@ -182,6 +172,8 @@ const GeneralTab = (props) => {
                       <Table.Row>
                           <Table.HeaderCell colSpan="2">
                               <Button
+                                id="edit-info-button"
+                                className="primary-button"
                                 floated="right"
                                 icon
                                 labelPosition="left"
@@ -200,11 +192,7 @@ const GeneralTab = (props) => {
           </Table>
           {isSelf && editInformationModal}
       </>
-  ), [
-    authorAvatar, editInformationModal, isSelf, numberOfPosts, numberOfTopics, profileAddress, profileMetadataFetched,
-    t, userInfoOrbitAddress, userLocationCell, userPostsOrbitAddress, userRegistrationTimestamp, userTopicsOrbitAddress,
-    username,
-  ]);
+  ), [editInformationModal, isSelf, numberOfPosts, numberOfTopics, profileAddress, profileMetadataFetched, t, userAvatarUrl, userInfoOrbitAddress, userLocationCell, userPostsOrbitAddress, userRegistrationTimestamp, userTopicsOrbitAddress, username]);
 };
 
 GeneralTab.defaultProps = {

packages/concordia-app/src/views/Profile/GeneralTab/styles.css

@@ -1,6 +1,7 @@
-.general-tab-profile-picture {
-    max-width: 112px;
-    max-height: 112px;
-    margin: 0;
-    vertical-align: middle;
-}
+.profile-image{
+    padding: 3rem !important;
+}
+
+#edit-info-button {
+    margin: 1rem;
+}

packages/concordia-app/src/views/Profile/index.jsx

@@ -12,6 +12,7 @@ import TopicList from '../../components/TopicList';
 import PostList from '../../components/PostList';
 import GeneralTab from './GeneralTab';
 import { GENERAL_TAB, POSTS_TAB, TOPICS_TAB } from '../../constants/ProfileTabs';
+import './styles.css';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { getUser } } } } = drizzle;
 
@@ -105,7 +106,7 @@ const Profile = () => {
   }, [generalTab, loading, postsTab, t, topicsTab]);
 
   return useMemo(() => (
-      <Container id="home-container" textAlign="center">
+      <Container id="profile-container" textAlign="center">
           <Tab panes={panes} />
       </Container>
   ), [panes]);

packages/concordia-app/src/views/Profile/styles.css

@@ -0,0 +1,3 @@
+#profile-container {
+    height: auto !important;
+}

packages/concordia-app/src/views/Register/PersonalInformationStep/index.jsx

@@ -150,16 +150,15 @@ const PersonalInformationStep = (props) => {
           )}
           <Card.Content extra>
               <Button
-                color="green"
+                className="primary-button"
                 floated="right"
                 content={t('register.form.personal.information.step.button.submit')}
                 onClick={handleSubmit}
                 disabled={!profilePictureUrlValid}
               />
               <Button
-                color="violet"
+                className="skip-button"
                 floated="right"
-                basic
                 content={t('register.form.personal.information.step.button.skip')}
                 onClick={goToHomePage}
               />

packages/concordia-app/src/views/Register/SignUpStep/index.jsx

@@ -94,7 +94,7 @@ const SignUpStep = (props) => {
           )}
           <Card.Content extra>
               <Button
-                color="green"
+                className="primary-button"
                 floated="right"
                 content={t('register.form.sign.up.step.button.submit')}
                 onClick={handleSubmit}
@@ -102,9 +102,8 @@ const SignUpStep = (props) => {
                 loading={!usernameIsChecked}
               />
               <Button
-                color="violet"
+                className="skip-button"
                 floated="right"
-                basic
                 content={t('register.form.sign.up.step.button.guest')}
                 onClick={goToHomePage}
                 disabled={signingUp}

packages/concordia-app/src/views/Register/index.jsx

@@ -5,10 +5,10 @@ import {
 import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
 import { useHistory } from 'react-router';
-import './styles.css';
 import SignUpStep from './SignUpStep';
 import PersonalInformationStep from './PersonalInformationStep';
 import { REGISTER_STEP_PROFILE_INFORMATION, REGISTER_STEP_SIGNUP } from '../../constants/RegisterSteps';
+import './styles.css';
 
 const Register = () => {
   const [currentStep, setCurrentStep] = useState('signup');
@@ -107,7 +107,7 @@ const Register = () => {
                         </Card.Content>
                         <Card.Content extra>
                             <Button
-                              color="black"
+                              className="secondary-button"
                               floated="right"
                               content={t('register.form.button.back')}
                               onClick={goToHomePage}

packages/concordia-app/src/views/Topic/TopicCreate/index.jsx

@@ -2,12 +2,11 @@ import React, {
   useCallback, useEffect, useState,
 } from 'react';
 import {
-  Button, Container, Form, Icon, Input, TextArea,
+  Button, Container, Form, Header, Icon, Input, TextArea,
 } from 'semantic-ui-react';
 import { useTranslation } from 'react-i18next';
 import { useHistory } from 'react-router';
 import { useSelector } from 'react-redux';
-import './styles.css';
 import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import { TOPIC_CREATED_EVENT } from 'concordia-shared/src/constants/contracts/events/ForumContractEvents';
 import { POSTS_DATABASE, TOPICS_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
@@ -15,6 +14,7 @@ import { drizzle, breeze } from '../../../redux/store';
 import { TRANSACTION_ERROR, TRANSACTION_SUCCESS } from '../../../constants/TransactionStatus';
 import { TOPIC_SUBJECT } from '../../../constants/orbit/TopicsDatabaseKeys';
 import { POST_CONTENT } from '../../../constants/orbit/PostsDatabaseKeys';
+import './styles.css';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { createTopic } } } } = drizzle;
 const { orbit: { stores } } = breeze;
@@ -97,6 +97,7 @@ const TopicCreate = (props) => {
 
   return (
       <Container>
+          <Header id="new-topic-header" as="h2">New Topic</Header>
           <Form loading={posting}>
               <Form.Field required>
                   <label htmlFor="form-topic-create-field-subject">
@@ -125,23 +126,23 @@ const TopicCreate = (props) => {
                     onChange={handleSubjectInputChange}
                   />
               </Form.Field>
-              <Form.Group>
-                  <Form.Button
-                    animated
-                    key="form-topic-create-button-submit"
-                    type="button"
-                    color="green"
-                    disabled={posting || subjectInput === '' || contentInput === ''}
-                    onClick={validateAndPost}
-                  >
-                      <Button.Content visible>
-                          {t('topic.create.form.post.button')}
-                      </Button.Content>
-                      <Button.Content hidden>
-                          <Icon name="send" />
-                      </Button.Content>
-                  </Form.Button>
-              </Form.Group>
+              <Button
+                id="create-topic-button"
+                animated
+                key="form-topic-create-button-submit"
+                type="button"
+                className="primary-button"
+                disabled={posting || subjectInput === '' || contentInput === ''}
+                onClick={validateAndPost}
+              >
+                  <Button.Content visible>
+                      {t('topic.create.form.post.button')}
+                  </Button.Content>
+                  <Button.Content hidden>
+                      <Icon name="send" />
+                  </Button.Content>
+              </Button>
+
           </Form>
       </Container>
   );

packages/concordia-app/src/views/Topic/TopicCreate/styles.css

@@ -1,6 +1,16 @@
+#new-topic-header {
+    padding: 2rem;
+    text-align: center;
+}
+
 .form-textarea-required {
     color: rgb(159, 58, 56) !important;
     outline-color: rgb(159, 58, 56) !important;
     border-color: rgb(224, 180, 180) !important;
     background-color: rgb(255, 246, 246) !important;
 }
+
+#create-topic-button {
+    float: right;
+    margin: 1rem 0 4rem 0;
+}

packages/concordia-app/src/views/Topic/TopicView/index.jsx

@@ -2,11 +2,10 @@ import React, { useEffect, useState } from 'react';
 import PropTypes from 'prop-types';
 import { useDispatch, useSelector } from 'react-redux';
 import {
-  Container, Dimmer, Icon, Image, Placeholder, Step,
+  Container, Dimmer, Divider, Header, Icon, Placeholder, Segment,
 } from 'semantic-ui-react';
 import { Link } from 'react-router-dom';
 import { useHistory } from 'react-router';
-import TimeAgo from 'react-timeago';
 import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import { TOPICS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import { breeze, drizzle } from '../../../redux/store';
@@ -14,7 +13,6 @@ import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationAct
 import './styles.css';
 import PostList from '../../../components/PostList';
 import determineKVAddress from '../../../utils/orbitUtils';
-import { USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
 import { TOPIC_SUBJECT } from '../../../constants/orbit/TopicsDatabaseKeys';
 import PostCreate from '../../../components/PostCreate';
 
@@ -36,9 +34,9 @@ const TopicView = (props) => {
   const [getTopicCallHash, setGetTopicCallHash] = useState([]);
   const [topicAuthorAddress, setTopicAuthorAddress] = useState(initialTopicAuthorAddress || null);
   const [topicAuthor, setTopicAuthor] = useState(initialTopicAuthor || null);
-  const [topicAuthorMeta, setTopicAuthorMeta] = useState(null);
   const [timestamp, setTimestamp] = useState(initialTimestamp || null);
   const [postIds, setPostIds] = useState(initialPostIds || null);
+  const [numberOfReplies, setReplyCount] = useState(0);
   const [topicSubject, setTopicSubject] = useState(null);
   const history = useHistory();
   const dispatch = useDispatch();
@@ -66,7 +64,9 @@ const TopicView = (props) => {
       setTopicAuthorAddress(getTopicResults[getTopicCallHash].value[0]);
       setTopicAuthor(getTopicResults[getTopicCallHash].value[1]);
       setTimestamp(getTopicResults[getTopicCallHash].value[2] * 1000);
-      setPostIds(getTopicResults[getTopicCallHash].value[3].map((postId) => parseInt(postId, 10)));
+      const postIds = getTopicResults[getTopicCallHash].value[3].map((postId) => parseInt(postId, 10));
+      setPostIds(postIds);
+      setReplyCount(postIds.length - 1);
 
       const topicFound = topics
         .find((topic) => topic.id === topicId);
@@ -89,9 +89,7 @@ const TopicView = (props) => {
           const userFound = users
             .find((user) => user.id === userOrbitAddress);
 
-          if (userFound) {
-            setTopicAuthorMeta(userFound);
-          } else {
+          if (!userFound) {
             dispatch({
               type: FETCH_USER_DATABASE,
               orbit,
@@ -115,66 +113,45 @@ const TopicView = (props) => {
     }
   }, [topicId, topics]);
 
+  const stopClickPropagation = (event) => {
+    event.stopPropagation();
+  };
+
   return (
-      <Container id="topic-container" textAlign="center">
-          <Dimmer.Dimmable
-            blurring
-            dimmed={topicAuthorAddress === null && topicAuthor === null && timestamp === null}
-          >
-              <Step.Group fluid>
-                  <Step key="topic-header-step-user">
-                      <Link to={`/users/${topicAuthorAddress}`}>
-                          {topicAuthorMeta !== null && topicAuthorMeta[USER_PROFILE_PICTURE]
-                            ? (
-                                <Image
-                                  avatar
-                                  src={topicAuthorMeta[USER_PROFILE_PICTURE]}
-                                />
-                            )
-                            : (
-                                <Icon
-                                  name="user circle"
-                                  size="big"
-                                  inverted
-                                  color="black"
-                                />
-                            )}
-                      </Link>
-                      <Step.Content>
-                          <Step.Title>
-                              <Link to={`/users/${topicAuthorAddress}`}>
-                                  {topicAuthor || (
-                                      <Placeholder id="author-placeholder" inverted>
-                                          <Placeholder.Line length="full" />
-                                      </Placeholder>
-                                  )}
-                              </Link>
-                          </Step.Title>
-                      </Step.Content>
-                  </Step>
-                  <Step key="topic-header-step-title">
-                      <Step.Content>
-                          <Step.Title>
-                              {topicSubject || (
-                                  <Placeholder id="subject-placeholder">
-                                      <Placeholder.Line length="full" />
-                                  </Placeholder>
-                              )}
-                          </Step.Title>
-                          <Step.Description>
-                              {timestamp
-                                ? <TimeAgo date={timestamp} />
-                                : (
-                                    <Placeholder id="date-placeholder">
-                                        <Placeholder.Line length="full" />
-                                    </Placeholder>
-                                )}
-                          </Step.Description>
-                      </Step.Content>
-                  </Step>
-              </Step.Group>
-          </Dimmer.Dimmable>
-          <PostList postIds={postIds || []} loading={postIds === null} focusOnPost={focusOnPost} />
+      <Container id="topic-container">
+          <Segment>
+              <Dimmer.Dimmable
+                blurring
+                dimmed={topicAuthorAddress === null && topicAuthor === null && timestamp === null}
+              >
+                  <div id="topic-header">
+                      <Header as="h2">
+                          {topicSubject || (
+                              <Placeholder id="subject-placeholder">
+                                  <Placeholder.Line />
+                              </Placeholder>
+                          )}
+                      </Header>
+
+                      <div id="topic-metadata">
+                          <Icon name="calendar alternate" fitted />
+                    &nbsp;
+                          {new Date(timestamp).toLocaleString('el-gr', { hour12: false })}
+                    &nbsp;&nbsp;&nbsp;
+                          <Icon name="user" fitted />
+                    &nbsp;
+                          <Link to={`/users/${topicAuthorAddress}`} onClick={stopClickPropagation}>{ topicAuthor }</Link>
+                    &nbsp;&nbsp;&nbsp;
+                          <Icon name="reply" fitted />
+                    &nbsp;
+                          { numberOfReplies }
+                      </div>
+                  </div>
+                  <Divider />
+              </Dimmer.Dimmable>
+              <PostList postIds={postIds || []} loading={postIds === null} focusOnPost={focusOnPost} />
+          </Segment>
+
           {topicSubject !== null && postIds !== null && hasSignedUp && (
               <PostCreate
                 topicId={topicId}

packages/concordia-app/src/views/Topic/TopicView/styles.css

@@ -1,17 +1,29 @@
 #topic-container {
-    height: 100%;
+    height: auto !important;
+}
+
+#topic-header {
+    padding: 1.2rem 0;
+    text-align: center;
 }
 
 #topic-grid {
     height: 100%;
 }
 
+#topic-metadata {
+    font-size: 1rem;
+    margin-top: 2rem;
+    color: rgba(0,0,0,.6);
+}
+
 #author-placeholder {
     width: 150px !important;
 }
 
 #subject-placeholder {
     width: 250px !important;
+    margin:auto;
 }
 
 #date-placeholder {

packages/concordia-contracts/contracts/PostVoting.sol

@@ -40,6 +40,12 @@ contract PostVoting {
         return (getVoteCount(postID, Option.DOWN));
     }
 
+    function getTotalVoteCount(uint postID) public view returns (int) {
+        int upvoteCount = int(getUpvoteCount(postID));
+        int downvoteCount = int(getDownvoteCount(postID));
+        return upvoteCount - downvoteCount;
+    }
+
     // Gets voters for a specific option (Option.UP/ Option.DOWN)
     function getVoters(uint postID, Option option) private view returns (address[] memory) {
         require(forum.postExists(postID), forum.POST_DOES_NOT_EXIST());

packages/concordia-shared/src/constants/contracts/events/PostVotingContractEvents.js

@@ -0,0 +1,10 @@
+const USER_VOTED_POST_EVENT = 'UserVotedPost';
+
+const postVotingContractEvents = Object.freeze([
+  USER_VOTED_POST_EVENT,
+]);
+
+module.exports = {
+  USER_VOTED_POST_EVENT,
+  postVotingContractEvents,
+};

packages/concordia-shared/src/constants/contracts/events/index.js

@@ -1,8 +1,10 @@
-const forumContractEvents = require('./ForumContractEvents');
-const { FORUM_CONTRACT } = require('../ContractNames');
+const { forumContractEvents } = require('./ForumContractEvents');
+const { postVotingContractEvents } = require('./PostVotingContractEvents');
+const { FORUM_CONTRACT, POST_VOTING_CONTRACT } = require('../ContractNames');
 
 const appEvents = Object.freeze({
   [FORUM_CONTRACT]: forumContractEvents,
+  [POST_VOTING_CONTRACT]: postVotingContractEvents,
 });
 
 module.exports = appEvents;

yarn.lock

@@ -1530,14 +1530,14 @@
     level "~6.0.1"
     orbit-db-identity-provider "~0.3.1"
 
-"@fluentui/react-component-event-listener@~0.51.0":
+"@fluentui/react-component-event-listener@~0.51.6":
   version "0.51.7"
   resolved "https://registry.yarnpkg.com/@fluentui/react-component-event-listener/-/react-component-event-listener-0.51.7.tgz#158adb970d8bc982c91c57fd1322a0036042d86e"
   integrity sha512-NjVm+crN0T9A7vITL8alZeHnuV8zi2gos0nezU/2YOxaUAB9E4zKiPxt/6k5U50rJs/gj8Nu45iXxnjO41HbZg==
   dependencies:
     "@babel/runtime" "^7.10.4"
 
-"@fluentui/react-component-ref@~0.51.0":
+"@fluentui/react-component-ref@~0.51.6":
   version "0.51.7"
   resolved "https://registry.yarnpkg.com/@fluentui/react-component-ref/-/react-component-ref-0.51.7.tgz#bfb0312e926c213bed35e53ee5105a68732eea99"
   integrity sha512-CX27jVJYaFoBCWpuWAizQZ2se137ku1dmDyn8sw+ySNJa+kkQf7LnMydiPW5K7cRdUSqUJW3eS4EjKRvVAx8xA==
@@ -2022,6 +2022,11 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.3.0.tgz#ffdb693c5c349fc33bba420248dd3ac0a2d7c408"
   integrity sha512-AemZEsQYtUp1WRkcmZm1div5ORfTpLquLaziCIrSagjxyKdmObxuaY1yjQ5SHFMctR8rLwp706NXTbiIRJg7pw==
 
+"@popperjs/core@^2.6.0":
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/@popperjs/core/-/core-2.6.0.tgz#f022195afdfc942e088ee2101285a1d31c7d727f"
+  integrity sha512-cPqjjzuFWNK3BSKLm0abspP0sp/IGOli4p5I5fKFAzdS8fvjdOwDCfZqAaIiXd9lPkOWi3SUUfZof3hEb7J/uw==
+
 "@protobufjs/aspromise@^1.1.1", "@protobufjs/aspromise@^1.1.2":
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@protobufjs/aspromise/-/aspromise-1.1.2.tgz#9b8b0cc663d669a7d8f6f5d0893a14d348f30fbf"
@@ -2129,7 +2134,7 @@
     redux-thunk "^2.3.0"
     reselect "^4.0.0"
 
-"@semantic-ui-react/event-stack@^3.1.0":
+"@semantic-ui-react/event-stack@^3.1.2":
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/@semantic-ui-react/event-stack/-/event-stack-3.1.2.tgz#14fac9796695aa3967962d94ea9733a85325f9c4"
   integrity sha512-Yd0Qf7lPCIjzJ9bZYfurlNu2RDXT6KKSyubHfYK3WjRauhxCsq6Fk2LMRI9DEvShoEU+AsLSv3NGkqXAcVp0zg==
@@ -4277,6 +4282,11 @@ chardet@^0.7.0:
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
   integrity sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==
 
+charenc@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
+  integrity sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=
+
 check-error@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
@@ -4808,7 +4818,7 @@ core-js@^2.4.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
   integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
-core-js@^3.5.0:
+core-js@^3.5.0, core-js@^3.6.1:
   version "3.8.3"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.8.3.tgz#c21906e1f14f3689f93abcc6e26883550dd92dd0"
   integrity sha512-KPYXeVZYemC2TkNEkX/01I+7yd+nX3KddKwZ1Ww7SKWdI2wQprSgLmrTddT8nw92AjEklTsPBoSdQBhbI1bQ6Q==
@@ -4883,14 +4893,6 @@ create-hmac@^1.1.0, create-hmac@^1.1.4, create-hmac@^1.1.7:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-create-react-context@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/create-react-context/-/create-react-context-0.3.0.tgz#546dede9dc422def0d3fc2fe03afe0bc0f4f7d8c"
-  integrity sha512-dNldIoSuNSvlTJ7slIKC/ZFGKexBMBrrcc+TTe1NdmROnaASuLPvqpwj9v4XS4uXZ8+YPu0sNmShX2rXI5LNsw==
-  dependencies:
-    gud "^1.0.0"
-    warning "^4.0.3"
-
 cross-env@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
@@ -4927,6 +4929,11 @@ cross-spawn@^7.0.1, cross-spawn@^7.0.2, cross-spawn@^7.0.3:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
+crypt@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
+  integrity sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs=
+
 crypto-browserify@3.12.0, crypto-browserify@^3.11.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
@@ -5315,7 +5322,7 @@ deep-eql@^3.0.1:
   dependencies:
     type-detect "^4.0.0"
 
-deep-equal@^1.0.1, deep-equal@^1.1.1:
+deep-equal@^1.0.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.1.1.tgz#b5c98c942ceffaf7cb051e24e1434a25a2e6076a"
   integrity sha512-yd9c5AdiqVcR+JjcwUQb9DkhJc8ngNr0MahEBGvDiJw8puWab2yZlh+nkasOnZP+EGTAP6rRp2JzJhJZzvNF8g==
@@ -7639,11 +7646,6 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
   integrity sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE=
 
-gud@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/gud/-/gud-1.0.0.tgz#a489581b17e6a70beca9abe3ae57de7a499852c0"
-  integrity sha512-zGEOVKFM5sVPPrYs7J5/hYEw2Pof8KCyOwyhG8sAF26mCAeUFAcYPu1mwB7hhpIP29zOIBaDqwuHdLp0jvZXjw==
-
 gzip-size@5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-5.1.1.tgz#cb9bee692f87c0612b232840a873904e4c135274"
@@ -9203,7 +9205,7 @@ is-binary-path@~2.1.0:
   dependencies:
     binary-extensions "^2.0.0"
 
-is-buffer@^1.0.2, is-buffer@^1.1.5:
+is-buffer@^1.0.2, is-buffer@^1.1.5, is-buffer@~1.1.6:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
   integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
@@ -9557,6 +9559,11 @@ is-resolvable@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
   integrity sha512-qgDYXFSR5WvEfuS5dMj6oTMEbrrSaM0CrFk2Yiq/gXnBvD9pMa2jGXxyhGLfvhZpuMZe18CJpFxAt3CRs42NMg==
 
+is-retina@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-retina/-/is-retina-1.0.3.tgz#d7401b286bea2ae37f62477588de504d0b8647e3"
+  integrity sha1-10AbKGvqKuN/Ykd1iN5QTQuGR+M=
+
 is-retry-allowed@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.2.0.tgz#d778488bd0a4666a3be8a1482b9f2baafedea8b4"
@@ -11618,6 +11625,11 @@ locate-path@^6.0.0:
   dependencies:
     p-locate "^5.0.0"
 
+lodash-es@^4.17.15:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.20.tgz#29f6332eefc60e849f869c264bc71126ad61e8f7"
+  integrity sha512-JD1COMZsq8maT6mnuz1UMV0jvYD0E0aUsSOdrr1/nAG3dhqQXwRRgeW0cSqH1U43INKcqxaiVIQNOUDld7gRDA==
+
 lodash._reinterpolate@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
@@ -11825,6 +11837,15 @@ md5.js@^1.3.4:
     inherits "^2.0.1"
     safe-buffer "^5.1.2"
 
+md5@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/md5/-/md5-2.3.0.tgz#c3da9a6aae3a30b46b7b0c349b87b110dc3bda4f"
+  integrity sha512-T1GITYmFaKuO91vxyoQMFETst+O71VUPEU3ze5GNzDm0OWdP8v1ziTaAEPUr/3kLsY3Sftgz242A1SetQiDL7g==
+  dependencies:
+    charenc "0.0.2"
+    crypt "0.0.2"
+    is-buffer "~1.1.6"
+
 mdast-add-list-metadata@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/mdast-add-list-metadata/-/mdast-add-list-metadata-1.0.1.tgz#95e73640ce2fc1fa2dcb7ec443d09e2bfe7db4cf"
@@ -13892,11 +13913,6 @@ pnp-webpack-plugin@1.6.4:
   dependencies:
     ts-pnp "^1.1.6"
 
-popper.js@^1.14.4:
-  version "1.16.1"
-  resolved "https://registry.yarnpkg.com/popper.js/-/popper.js-1.16.1.tgz#2a223cb3dc7b6213d740e40372be40de43e65b1b"
-  integrity sha512-Wb4p1J4zyFTbM+u6WuO4XstYx4Ky9Cewe4DWrel7B0w6VVICvPwdOpotjzcf6eD8TsckVnIMNONQyPIUFOUbCQ==
-
 portfinder@^1.0.26:
   version "1.0.28"
   resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.28.tgz#67c4622852bd5374dd1dd900f779f53462fac778"
@@ -14740,7 +14756,7 @@ prompts@^2.0.1:
     kleur "^3.0.3"
     sisteransi "^1.0.5"
 
-prop-types@^15.6.1, prop-types@^15.6.2, prop-types@^15.7.2, prop-types@~15.7.2:
+prop-types@^15.6.2, prop-types@^15.7.2, prop-types@~15.7.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
@@ -15027,6 +15043,15 @@ react-app-polyfill@^1.0.6:
     regenerator-runtime "^0.13.3"
     whatwg-fetch "^3.0.0"
 
+react-avatar@~3.9.7:
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/react-avatar/-/react-avatar-3.9.7.tgz#c7eb50d7f827350475ec6041f38fc2dbd249b740"
+  integrity sha512-UX1prYgo4gS1g2u16tZbx/Vy45M/BxyHHexIoRj6m9hI3ZR0FdHTDt66X5GpTtf6PRYE8KlvwHte1x5n8B0/XQ==
+  dependencies:
+    core-js "^3.6.1"
+    is-retina "^1.0.3"
+    md5 "^2.0.0"
+
 react-dev-utils@^10.2.1:
   version "10.2.1"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-10.2.1.tgz#f6de325ae25fa4d546d09df4bb1befdc6dd19c19"
@@ -15072,6 +15097,11 @@ react-error-overlay@^6.0.7:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.9.tgz#3c743010c9359608c375ecd6bc76f35d93995b0a"
   integrity sha512-nQTTcUu+ATDbrSD1BZHr5kgSD4oF8OFjxun8uAaL8RwPBacGBNPf/yAuVVdx17N8XNzRDMrZ9XcKZHCjPW+9ew==
 
+react-fast-compare@^3.0.1:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/react-fast-compare/-/react-fast-compare-3.2.0.tgz#641a9da81b6a6320f270e89724fb45a0b39e43bb"
+  integrity sha512-rtGImPZ0YyLrscKI9xTpV8psd6I8VAtjKCzQDlzyDvqJA8XOW78TXYQwNRNd8g8JZnDu8q9Fu/1v4HPAVwVdHA==
+
 react-i18next@^11.7.3:
   version "11.8.5"
   resolved "https://registry.yarnpkg.com/react-i18next/-/react-i18next-11.8.5.tgz#a093335822e36252cda6efc0f55facef6253643f"
@@ -15085,6 +15115,11 @@ react-is@^16.13.1, react-is@^16.6.0, react-is@^16.6.3, react-is@^16.7.0, react-i
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
+"react-is@^16.8.6 || ^17.0.0":
+  version "17.0.1"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-17.0.1.tgz#5b3531bd76a645a4c9fb6e693ed36419e3301339"
+  integrity sha512-NAnt2iGDXohE5LI7uBnLnqvLQMtzhkiAOLXTmv+qnF9Ky7xAPcX8Up/xWIhxvLVGJvuLiNc4xQLtuqDRzb4fSA==
+
 react-markdown@^5.0.3:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/react-markdown/-/react-markdown-5.0.3.tgz#41040ea7a9324b564b328fb81dd6c04f2a5373ac"
@@ -15109,17 +15144,12 @@ react-particles-js@^3.4.0:
     lodash "^4.17.11"
     tsparticles "^1.18.10"
 
-react-popper@^1.3.7:
-  version "1.3.7"
-  resolved "https://registry.yarnpkg.com/react-popper/-/react-popper-1.3.7.tgz#f6a3471362ef1f0d10a4963673789de1baca2324"
-  integrity sha512-nmqYTx7QVjCm3WUZLeuOomna138R1luC4EqkW3hxJUrAe+3eNz3oFCLYdnPwILfn0mX1Ew2c3wctrjlUMYYUww==
+react-popper@^2.2.4:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/react-popper/-/react-popper-2.2.4.tgz#d2ad3d2474ac9f1abf93df3099d408e5aa6a2e22"
+  integrity sha512-NacOu4zWupdQjVXq02XpTD3yFPSfg5a7fex0wa3uGKVkFK7UN6LvVxgcb+xYr56UCuWiNPMH20tntdVdJRwYew==
   dependencies:
-    "@babel/runtime" "^7.1.2"
-    create-react-context "^0.3.0"
-    deep-equal "^1.1.1"
-    popper.js "^1.14.4"
-    prop-types "^15.6.1"
-    typed-styles "^0.0.7"
+    react-fast-compare "^3.0.1"
     warning "^4.0.2"
 
 react-redux@~7.2.1:
@@ -15955,21 +15985,23 @@ semantic-ui-css@~2.4.1:
   dependencies:
     jquery x.*
 
-semantic-ui-react@~1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/semantic-ui-react/-/semantic-ui-react-1.2.1.tgz#c58603db072d3628fc2d9b626f6c3b39535deca3"
-  integrity sha512-p0HKdHg8ZGhnanyNuGOyTp5M6mVGWzTULPY02uBYHxXMzsyRPoRDlUa/tbaU0UdFpg96CmToG4WrvkINqhcZ+Q==
+semantic-ui-react@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/semantic-ui-react/-/semantic-ui-react-2.0.3.tgz#39091e24078e28129ff9b1beb7dbfc84ca85544b"
+  integrity sha512-a0hGN6XXw64sRSKwWqMCKSI/AGLohxNeWuErS39eswvBbUnLjBij8ZoEdiqDiz/PuWpwYIRjgmQVrut+7h3b2g==
   dependencies:
     "@babel/runtime" "^7.10.5"
-    "@fluentui/react-component-event-listener" "~0.51.0"
-    "@fluentui/react-component-ref" "~0.51.0"
-    "@semantic-ui-react/event-stack" "^3.1.0"
+    "@fluentui/react-component-event-listener" "~0.51.6"
+    "@fluentui/react-component-ref" "~0.51.6"
+    "@popperjs/core" "^2.6.0"
+    "@semantic-ui-react/event-stack" "^3.1.2"
     clsx "^1.1.1"
     keyboard-key "^1.1.0"
     lodash "^4.17.19"
+    lodash-es "^4.17.15"
     prop-types "^15.7.2"
-    react-is "^16.8.6"
-    react-popper "^1.3.7"
+    react-is "^16.8.6 || ^17.0.0"
+    react-popper "^2.2.4"
     shallowequal "^1.1.0"
 
 semver-diff@^3.1.1:
@@ -17372,11 +17404,6 @@ type@^2.0.0:
   resolved "https://registry.yarnpkg.com/type/-/type-2.1.0.tgz#9bdc22c648cf8cf86dd23d32336a41cfb6475e3f"
   integrity sha512-G9absDWvhAWCV2gmF1zKud3OyC61nZDwWvBL2DApaVFogI07CprggiQAOOjvp2NRjYWFzPyu7vwtDrQFq8jeSA==
 
-typed-styles@^0.0.7:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/typed-styles/-/typed-styles-0.0.7.tgz#93392a008794c4595119ff62dde6809dbc40a3d9"
-  integrity sha512-pzP0PWoZUhsECYjABgCGQlRGL1n7tOHsgwYv3oIiEpJwGhFTuty/YNeduxQYzXXa3Ge5BdT6sHYIQYpl4uJ+5Q==
-
 typedarray-to-buffer@^3.1.5, typedarray-to-buffer@~3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
@@ -17907,7 +17934,7 @@ walker@^1.0.7, walker@~1.0.5:
   dependencies:
     makeerror "1.0.x"
 
-warning@^4.0.2, warning@^4.0.3:
+warning@^4.0.2:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/warning/-/warning-4.0.3.tgz#16e9e077eb8a86d6af7d64aa1e05fd85b4678ca3"
   integrity sha512-rpJyN222KWIvHJ/F53XSZv0Zl/accqHR8et1kpaMTD/fLCRxtV8iX8czMzY7sVZupTI3zcUTg8eycS2kNF9l6w==