Merge pull request 'feat: configured semantic releases' (#307) from semantic-releases into staging

Reviewed-on: #307

.eslintrc.cjs

@@ -6,7 +6,7 @@ module.exports = {
     'plugin:@typescript-eslint/recommended',
     'plugin:react-hooks/recommended'
   ],
-  ignorePatterns: ['dist', '.eslintrc.cjs'],
+  ignorePatterns: ['dist', '.eslintrc.cjs', 'licenseChecker.cjs', "*.min.js"],
   parser: '@typescript-eslint/parser',
   plugins: ['react-refresh'],
   rules: {

.git-hooks/commit-msg

@@ -0,0 +1,19 @@
+#!/bin/sh
+# Get the commit message (the parameter we're given is just the path to the
+# temporary file which holds the message).
+commit_message=$(cat "$1")
+
+if (echo "$commit_message" | grep -Eq "^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\([a-z0-9 \-]+\))?!?: .+$") then
+   tput setaf 2;
+   echo "✔ Commit message meets Conventional Commit standards"
+   tput sgr0;
+   exit 0
+fi
+
+tput setaf 1;
+echo "❌ Commit message does not meet the Conventional Commit standard!"
+tput sgr0;
+echo "An example of a valid message is:"
+echo "  feat(login): add the 'remember me' button"
+echo "📝 More details at: https://www.conventionalcommits.org/en/v1.0.0/#summary"
+exit 1

.git-hooks/pre-commit

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Avoid commits to the master branch
+BRANCH=`git rev-parse --abbrev-ref HEAD`
+REGEX="^(master|main|staging|development)$"
+
+if [[ "$BRANCH" =~ $REGEX ]]; then
+  echo "You are on branch $BRANCH. Are you sure you want to commit to this branch?"
+  echo "If so, commit with -n to bypass the pre-commit hook."
+  exit 1
+fi
+
+npm run lint-staged

.gitea/workflows/release-production.yaml

@@ -26,9 +26,27 @@ jobs:
       - name: Create Build
         run: npm run build
 
-      - name: Release Build
+      - name: Deploy Build
         run: |
           npm -g install cloudron-surfer
-          surfer config --token ${{ secrets.CLOUDRON_SURFER_TOKEN }} --server sigit.io 
+          surfer config --token ${{ secrets.CLOUDRON_SURFER_TOKEN }} --server sigit.io
           surfer put dist/* / --all -d
-          surfer put dist/.well-known / --all  
+          surfer put dist/.well-known / --all
+
+      - name: Create Empty Release (assets are posted later)
+        run: |
+          npm i
+          npm i -g semantic-release
+          # We do a semantic-release DRY RUN to make the job fail if there are no changes to release
+          GITEA_TOKEN=${{ secrets.RELEASE_TOKEN }} GITEA_URL=https://git.nostrdev.com/sigit/sigit.io semantic-release --dry-run | grep -q "There are no relevant changes, so no new version is released." && exit 1
+          GITEA_TOKEN=${{ secrets.RELEASE_TOKEN }} GITEA_URL=https://git.nostrdev.com/sigit/sigit.io semantic-release
+
+      - name: Upload assets to release
+        run: |
+          RELEASE_ID=`curl -k 'https://git.nostrdev.com/sigit/sigit.io/api/v1/repos/sigit/sigit.io/releases/latest?access_token=${{ secrets.RELEASE_TOKEN }}' | jq -r '.id'`
+          RELEASE_BODY=`curl -k 'https://git.nostrdev.com/sigit/sigit.io/api/v1/repos/sigit/sigit.io/releases/latest?access_token=${{ secrets.RELEASE_TOKEN }}' | jq -r '.body'`
+          # Update body
+          curl --data '{"draft": false,"body":"'"$RELEASE_BODY\n\nFor installation instructions, please visit https://docs.sigit.io/#/"'"}' -X PATCH --header 'Content-Type: application/json' -k https://git.nostrdev.com/sigit/sigit.io/api/v1/repos/sigit/sigit.io/releases/$RELEASE_ID?access_token=${{ secrets.RELEASE_TOKEN }}
+          # Upload assets
+          URL="https://git.nostrdev.com/sigit/sigit.io/api/v1/repos/sigit/sigit.io/releases/$RELEASE_ID/assets?access_token=${{ secrets.RELEASE_TOKEN }}"
+          curl -k $URL -F attachment=@dist.zip

.gitea/workflows/release-staging.yaml

@@ -17,9 +17,21 @@ jobs:
         with:
           node-version: 18
 
+      - name: Audit
+        run: npm audit --omit=dev
+
       - name: Install Dependencies
         run: npm ci
 
+      - name: License check
+        run: npm run license-checker
+
+      - name: Lint check
+        run: npm run lint
+
+      - name: Formatter check
+        run: npm run formatter:check
+
       - name: Create .env File
         run: echo "VITE_MOST_POPULAR_RELAYS=${{ vars.VITE_MOST_POPULAR_RELAYS }}" > .env
 
@@ -29,6 +41,6 @@ jobs:
       - name: Release Build
         run: |
           npm -g install cloudron-surfer
-          surfer config --token ${{ secrets.STAGING_CLOUDRON_SURFER_TOKEN }} --server staging.sigit.io 
+          surfer config --token ${{ secrets.STAGING_CLOUDRON_SURFER_TOKEN }} --server staging.sigit.io
           surfer put dist/* / --all -d
-          surfer put dist/.well-known / --all  
+          surfer put dist/.well-known / --all

.gitea/workflows/staging-pull-request.yaml

@@ -0,0 +1,34 @@
+name: Open PR on Staging
+on:
+  pull_request:
+    types: [opened, edited, synchronize]
+    branches:
+      - staging
+
+jobs:
+  audit_and_check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18
+
+      - name: Audit
+        run: npm audit --omit=dev
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: License check
+        run: npm run license-checker
+
+      - name: Lint check
+        run: npm run lint
+
+      - name: Formatter check
+        run: npm run formatter:check

.gitignore

@@ -8,7 +8,7 @@ pnpm-debug.log*
 lerna-debug.log*
 
 node_modules
-dist
+dist-zip
 dist-ssr
 *.local
 

.releaserc

@@ -0,0 +1,31 @@
+{
+  "branches": [
+    "main"
+  ],
+  "plugins": [
+    "@semantic-release/commit-analyzer",
+    "@semantic-release/release-notes-generator",
+    "@semantic-release/changelog",
+    "@semantic-release/npm",
+    [
+      "@semantic-release/git",
+      {
+        "assets": [
+          "CHANGELOG.md",
+          "package.json"
+        ]
+      }
+    ],
+    [
+      "@saithodev/semantic-release-gitea",
+      {
+        "giteaUrl": "https://git.nostrdev.com/sigit/sigit.io",
+        "assets": [
+          {
+            "path": "dist-zip/dist.zip"
+          }
+        ]
+      }
+    ]
+  ]
+}

LICENSE

@@ -1,9 +1,661 @@
-MIT License
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
 
-Copyright (c) 2024 sig
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+                            Preamble
 
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+  The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
 
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+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
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+
+  When we speak of free software, we are referring to freedom, not
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+material under section 10.
+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
+run a copy of the Program.  Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
+nothing other than this License grants you permission to propagate or
+modify any covered work.  These actions infringe copyright if you do
+not accept this License.  Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+  10. Automatic Licensing of Downstream Recipients.
+
+  Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License.  You are not responsible
+for enforcing compliance by third parties with this License.
+
+  An "entity transaction" is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations.  If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
+licenses to the work the party's predecessor in interest had or could
+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+  You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License.  For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+  11. Patents.
+
+  A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's "contributor version".
+
+  A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version.  For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+  Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+  In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+  If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+  If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Remote Network Interaction; Use with the GNU General Public License.
+
+  Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software.  This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time.  Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.

contributing.md

@@ -6,19 +6,19 @@ Welcome to Sigit! We are thrilled that you are interested in contributing to thi
 
 ### Reporting Bugs
 
-If you encounter a bug while using Sigit, please [open an issue](https://git.sigit.io/g/web/issues/new) on this repository. Provide as much detail as possible, including steps to reproduce the bug.
+If you encounter a bug while using Sigit, please [open an issue](https://git.nostrdev.com/sigit/sigit.io/issues/new) on this repository. Provide as much detail as possible, including steps to reproduce the bug.
 
 ### Suggesting Enhancements
 
-If you have an idea for how to improve Sigit, we would love to hear from you! [Open an issue](https://git.sigit.io/g/web/issues/new) to suggest an enhancement.
+If you have an idea for how to improve Sigit, we would love to hear from you! [Open an issue](https://git.nostrdev.com/sigit/sigit.io/issues/new) to suggest an enhancement.
 
 ### Pull Requests
 
 We welcome pull requests from contributors! To contribute code changes:
 
-1. Fork the repository and create your branch from `main`.
+1. Fork the repository and create your branch from `staging`.
 2. Make your changes and ensure they pass any existing tests.
-3. Write meaningful commit messages.
+3. Write meaningful commit messages (conventional commit standard)
 4. Submit a pull request, describing your changes in detail and referencing any related issues.
 
 ## Development Setup
@@ -35,4 +35,14 @@ All contributions, including pull requests, undergo code review. Code review ens
 
 ## Contact
 
-If you have questions or need further assistance, you can reach out to [maintainer's email].
+If you have questions or need further assistance, you can reach out to `npub1d0csynrrxcynkcedktdzrdj6gnras2psg48mf46kxjazs8skrjgq9uzhlq`
+
+## Testing
+
+The following items should be tested with each release:
+
+- Create a SIGit with at least 3 signers
+- Create a SIGit where the creator is not the first signer
+- Create a SIGit where one co-signer has no marks
+- Create a SIGit using a file other than a PDF
+- Use several login mechanisms, browsers, operating systems whilst testing

index.html

@@ -8,6 +8,7 @@
   </head>
   <body>
     <div id="root"></div>
+    <script src="/opentimestamps.min.js"></script>
     <script type="module" src="/src/main.tsx"></script>
   </body>
 </html>

licenseChecker.cjs

@@ -0,0 +1,28 @@
+const process = require('node:process')
+const licenseChecker = require('license-checker')
+
+const check = (cwd) => {
+  return new Promise((resolve, reject) => {
+    licenseChecker.init(
+      {
+        production: true,
+        start: cwd,
+        excludePrivatePackages: true,
+        onlyAllow:
+          'AFLv2.1;Apache 2.0;Apache-2.0;Apache*;Artistic-2.0;0BSD;BSD*;BSD-2-Clause;BSD-3-Clause;BSD 3-Clause;CC0-1.0;CC-BY-3.0;CC-BY-4.0;ISC;MIT;MPL-2.0;ODC-By-1.0;Python-2.0;Unlicense;',
+        excludePackages: ''
+      },
+      (error, json) => {
+        if (error) {
+          reject(error)
+        } else {
+          resolve(json)
+        }
+      }
+    )
+  })
+}
+
+check(process.cwd(), true)
+  .then(() => console.log('All packages are licensed properly'))
+  .catch((err) => console.log('license checker err', err))

package.json

@@ -1,17 +1,24 @@
 {
-  "name": "web",
+  "name": "sigit",
   "private": true,
-  "version": "0.0.0",
+  "version": "0.0.0-beta",
   "type": "module",
   "homepage": "https://sigit.io/",
+  "license": "AGPL-3.0-or-later ",
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "lint:fix": "eslint . --fix --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
+    "lint:staged": "eslint --fix --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "formatter:check": "prettier --check \"src/**/*.{ts,tsx,js,jsx,html,css,sass,less,yml,md,graphql}\"",
     "formatter:fix": "prettier --write \"src/**/*.{ts,tsx,js,jsx,html,css,sass,less,yml,md,graphql}\"",
-    "preview": "vite preview"
+    "formatter:staged": "prettier --write --ignore-unknown",
+    "preview": "vite preview",
+    "preinstall": "git config core.hooksPath .git-hooks",
+    "license-checker": "node licenseChecker.cjs",
+    "lint-staged": "lint-staged",
+    "release": "commit-and-tag-version"
   },
   "dependencies": {
     "@emotion/react": "11.11.4",
@@ -24,47 +31,75 @@
     "@mui/lab": "5.0.0-alpha.166",
     "@mui/material": "5.15.11",
     "@noble/hashes": "^1.4.0",
-    "@nostr-dev-kit/ndk": "2.5.0",
+    "@nostr-dev-kit/ndk": "2.10.0",
+    "@nostr-dev-kit/ndk-cache-dexie": "2.5.1",
+    "@pdf-lib/fontkit": "^1.1.1",
     "@reduxjs/toolkit": "2.2.1",
-    "axios": "1.6.7",
+    "axios": "^1.7.4",
     "crypto-hash": "3.0.0",
     "crypto-js": "^4.2.0",
+    "dexie": "4.0.8",
     "dnd-core": "16.0.1",
     "file-saver": "2.0.5",
     "idb": "8.0.0",
     "jszip": "3.10.1",
     "lodash": "4.17.21",
+    "material-ui-popup-state": "^5.3.1",
     "mui-file-input": "4.0.4",
+    "nostr-login": "1.6.14",
     "nostr-tools": "2.7.0",
     "pdf-lib": "^1.17.1",
     "pdfjs-dist": "^4.4.168",
+    "rdndmb-html5-to-touch": "^8.0.3",
     "react": "^18.2.0",
-    "react-dnd": "16.0.1",
-    "react-dnd-html5-backend": "16.0.1",
+    "react-dnd": "^16.0.1",
+    "react-dnd-multi-backend": "^8.0.3",
     "react-dom": "^18.2.0",
+    "react-dropzone": "^14.2.3",
     "react-redux": "9.1.0",
     "react-router-dom": "6.22.1",
+    "react-singleton-hook": "^4.0.1",
     "react-toastify": "10.0.4",
     "redux": "5.0.1",
-    "tseep": "1.2.1"
+    "signature_pad": "^5.0.4",
+    "tseep": "1.2.1",
+    "use-immer": "^0.11.0"
   },
   "devDependencies": {
+    "@saithodev/semantic-release-gitea": "^2.1.0",
+    "@semantic-release/changelog": "^6.0.3",
+    "@semantic-release/commit-analyzer": "^10.0.1",
+    "@semantic-release/git": "^10.0.1",
+    "@semantic-release/npm": "11.0.0",
+    "@semantic-release/release-notes-generator": "^11.0.4",
     "@types/crypto-js": "^4.2.2",
     "@types/file-saver": "2.0.7",
     "@types/lodash": "4.14.202",
     "@types/pdfjs-dist": "^2.10.378",
     "@types/react": "^18.2.56",
     "@types/react-dom": "^18.2.19",
+    "@types/svgo": "^3.0.0",
     "@typescript-eslint/eslint-plugin": "^7.0.2",
     "@typescript-eslint/parser": "^7.0.2",
     "@vitejs/plugin-react": "^4.2.1",
+    "commit-and-tag-version": "^11.2.2",
     "eslint": "^8.56.0",
     "eslint-plugin-react-hooks": "^4.6.0",
     "eslint-plugin-react-refresh": "^0.4.5",
+    "license-checker": "^25.0.1",
+    "lint-staged": "^15.2.8",
     "prettier": "3.2.5",
     "ts-css-modules-vite-plugin": "1.0.20",
     "typescript": "^5.2.2",
     "vite": "^5.1.4",
+    "vite-plugin-node-polyfills": "^0.22.0",
+    "vite-plugin-zip-pack": "^1.2.4",
     "vite-tsconfig-paths": "4.3.2"
+  },
+  "lint-staged": {
+    "*.{js,jsx,ts,tsx}": [
+      "npm run lint:staged"
+    ],
+    "*.{ts,tsx,js,jsx,html,css,sass,less,yml,md,graphql}": "npm run formatter:staged"
   }
 }

public/.well-known/nostr.json

@@ -1,15 +1,15 @@
 {
-    "names": {
-        "_": "6bf1024c6336093b632db2da21b65a44c7d82830454fb4d75634ba281e161c90"
-    },
-    "relays": {
-        "6bf1024c6336093b632db2da21b65a44c7d82830454fb4d75634ba281e161c90": [
-            "wss://brb.io",
-            "wss://nostr.v0l.io",
-            "wss://nostr.coinos.io",
-            "wss://rsslay.nostr.net",
-            "wss://relay.current.fyi",
-            "wss://nos.io"
-        ]
-    }
+  "names": {
+    "_": "6bf1024c6336093b632db2da21b65a44c7d82830454fb4d75634ba281e161c90"
+  },
+  "relays": {
+    "6bf1024c6336093b632db2da21b65a44c7d82830454fb4d75634ba281e161c90": [
+      "wss://brb.io",
+      "wss://nostr.v0l.io",
+      "wss://nostr.coinos.io",
+      "wss://rsslay.nostr.net",
+      "wss://relay.current.fyi",
+      "wss://nos.io"
+    ]
+  }
 }

src/App.scss

@@ -41,6 +41,7 @@ p {
 
 body {
   color: $text-color;
+  background: $body-background-color;
   font-family: $font-familiy;
   letter-spacing: $letter-spacing;
   font-size: $body-font-size;
@@ -56,10 +57,115 @@ a {
   text-decoration: none;
   text-decoration-color: inherit;
   transition: ease 0.4s;
+  outline: none;
 
+  &:focus,
   &:hover {
     color: $primary-light;
     text-decoration: underline;
     text-decoration-color: inherit;
   }
 }
+
+input {
+  font-family: inherit;
+}
+
+ul {
+  list-style-type: none; /* Removes bullet points */
+  margin: 0; /* Removes default margin */
+  padding: 0; /* Removes default padding */
+}
+
+li {
+  list-style-type: none; /* Removes the bullets */
+  margin: 0; /* Removes any default margin */
+  padding: 0; /* Removes any default padding */
+}
+
+// Shared styles for center content (Create, Sign, Verify)
+.files-wrapper {
+  display: flex;
+  flex-direction: column;
+  gap: 25px;
+}
+
+.file-wrapper {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+  position: relative;
+
+  // CSS, scroll position when scrolling to the files is adjusted by
+  // - first-child Header height, default body padding, and center content border (10px) and padding (10px)
+  // - others We don't include border and padding and scroll to the top of the image
+  &:first-child {
+    scroll-margin-top: $body-vertical-padding + 20px;
+  }
+  &:not(:first-child) {
+    scroll-margin-top: $body-vertical-padding;
+  }
+}
+
+// For pdf marks
+.image-wrapper {
+  position: relative;
+  -webkit-user-select: none;
+  user-select: none;
+
+  > img {
+    display: block;
+    width: 100%;
+    height: auto;
+    object-fit: contain; /* Ensure the image fits within the container */
+  }
+}
+
+// For image rendering (uploaded image as a file)
+.file-image {
+  -webkit-user-select: none;
+  user-select: none;
+
+  display: block;
+  width: 100%;
+  height: auto;
+  object-fit: contain; /* Ensure the image fits within the container */
+}
+
+// Consistent styling for every file mark
+// Reverts some of the design defaults for font
+.file-mark {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: normal;
+  letter-spacing: normal;
+  line-height: 1;
+
+  font-size: 16px;
+  color: black;
+  outline: 1px solid transparent;
+
+  justify-content: start;
+  align-items: start;
+
+  scroll-margin-top: $body-vertical-padding;
+}
+
+[data-dev='true'] {
+  .image-wrapper {
+    // outline: 1px solid #ccc; /* Optional: for visual debugging */
+    background-color: #e0f7fa; /* Optional: for visual debugging */
+  }
+}
+
+.extension-file-box {
+  border-radius: 4px;
+  background: rgba(255, 255, 255, 0.5);
+  height: 100px;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  color: rgba(0, 0, 0, 0.25);
+  font-size: 14px;
+}

src/App.tsx

@@ -1,21 +1,22 @@
 import { useEffect } from 'react'
-import { useSelector } from 'react-redux'
 import { Navigate, Route, Routes } from 'react-router-dom'
-import { AuthController, NostrController } from './controllers'
+
+import { useAppSelector, useAuth } from './hooks'
+
 import { MainLayout } from './layouts/Main'
+
+import { appPrivateRoutes, appPublicRoutes } from './routes'
 import {
-  appPrivateRoutes,
-  appPublicRoutes,
   privateRoutes,
   publicRoutes,
   recursiveRouteRenderer
-} from './routes'
-import { State } from './store/rootReducer'
-import { getNsecBunkerDelegatedKey, saveNsecBunkerDelegatedKey } from './utils'
+} from './routes/util'
+
 import './App.scss'
 
 const App = () => {
-  const authState = useSelector((state: State) => state.auth)
+  const { checkSession } = useAuth()
+  const authState = useAppSelector((state) => state.auth)
 
   useEffect(() => {
     if (window.location.hostname === '0.0.0.0') {
@@ -25,29 +26,17 @@ const App = () => {
       window.location.hostname = 'localhost'
     }
 
-    generateBunkerDelegatedKey()
-
-    const authController = new AuthController()
-    authController.checkSession()
-  }, [])
-
-  const generateBunkerDelegatedKey = () => {
-    const existingKey = getNsecBunkerDelegatedKey()
-
-    if (!existingKey) {
-      const nostrController = NostrController.getInstance()
-      const newDelegatedKey = nostrController.generateDelegatedKey()
-
-      saveNsecBunkerDelegatedKey(newDelegatedKey)
-    }
-  }
+    checkSession()
+  }, [checkSession])
 
   const handleRootRedirect = () => {
     if (authState.loggedIn) return appPrivateRoutes.homePage
+
     const callbackPathEncoded = btoa(
       window.location.href.split(`${window.location.origin}/#`)[1]
     )
-    return `${appPublicRoutes.login}?callbackPath=${callbackPathEncoded}`
+
+    return `${appPublicRoutes.landingPage}?callbackPath=${callbackPathEncoded}`
   }
 
   // Hide route only if loggedIn and r.hiddenWhenLoggedIn are both true

src/components/AppBar/AppBar.tsx

@@ -9,71 +9,47 @@ import {
 } from '@mui/material'
 
 import { useEffect, useState } from 'react'
-import { useDispatch, useSelector } from 'react-redux'
-import {
-  setAuthState,
-  setMetadataEvent,
-  userLogOutAction
-} from '../../store/actions'
-import { State } from '../../store/rootReducer'
-import { Dispatch } from '../../store/store'
+import { useAppSelector } from '../../hooks/store'
 import Username from '../username'
 
 import { Link, useNavigate } from 'react-router-dom'
-import { MetadataController, NostrController } from '../../controllers'
 import {
   appPublicRoutes,
   appPrivateRoutes,
   getProfileRoute
 } from '../../routes'
-import {
-  clearAuthToken,
-  hexToNpub,
-  saveNsecBunkerDelegatedKey,
-  shorten
-} from '../../utils'
+import { getProfileUsername, hexToNpub } from '../../utils'
 import styles from './style.module.scss'
-import { setUserRobotImage } from '../../store/userRobotImage/action'
 import { Container } from '../Container'
 import { ButtonIcon } from '../ButtonIcon'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faClose } from '@fortawesome/free-solid-svg-icons'
+import useMediaQuery from '@mui/material/useMediaQuery'
+import { useLogout } from '../../hooks/useLogout'
 
-const metadataController = new MetadataController()
+import { launch as launchNostrLoginDialog } from 'nostr-login'
 
 export const AppBar = () => {
   const navigate = useNavigate()
-
-  const dispatch: Dispatch = useDispatch()
-
+  const logout = useLogout()
   const [username, setUsername] = useState('')
   const [userAvatar, setUserAvatar] = useState('')
   const [anchorElUser, setAnchorElUser] = useState<null | HTMLElement>(null)
 
-  const authState = useSelector((state: State) => state.auth)
-  const metadataState = useSelector((state: State) => state.metadata)
-  const userRobotImage = useSelector((state: State) => state.userRobotImage)
+  const authState = useAppSelector((state) => state.auth)
+  const userProfile = useAppSelector((state) => state.user.profile)
+  const userRobotImage = useAppSelector((state) => state.user.robotImage)
 
   useEffect(() => {
-    if (metadataState) {
-      if (metadataState.content) {
-        const { picture, display_name, name } = JSON.parse(
-          metadataState.content
-        )
-
-        if (picture || userRobotImage) {
-          setUserAvatar(picture || userRobotImage)
-        }
-
-        const npub = authState.usersPubkey
-          ? hexToNpub(authState.usersPubkey)
-          : ''
-
-        setUsername(shorten(display_name || name || npub, 7))
-      } else {
-        setUserAvatar(userRobotImage || '')
-        setUsername('')
-      }
+    const npub = authState.usersPubkey ? hexToNpub(authState.usersPubkey) : ''
+    if (userProfile) {
+      setUserAvatar(userProfile.image || userRobotImage || '')
+      setUsername(getProfileUsername(npub, userProfile))
+    } else {
+      setUserAvatar('')
+      setUsername(getProfileUsername(npub))
     }
-  }, [metadataState, userRobotImage, authState.usersPubkey])
+  }, [userRobotImage, authState.usersPubkey, userProfile])
 
   const handleOpenUserMenu = (event: React.MouseEvent<HTMLElement>) => {
     setAnchorElUser(event.currentTarget)
@@ -92,151 +68,167 @@ export const AppBar = () => {
 
   const handleLogout = () => {
     handleCloseUserMenu()
-    dispatch(
-      setAuthState({
-        keyPair: undefined,
-        loggedIn: false,
-        usersPubkey: undefined,
-        loginMethod: undefined,
-        nsecBunkerPubkey: undefined
-      })
-    )
-    dispatch(setMetadataEvent(metadataController.getEmptyMetadataEvent()))
-    dispatch(setUserRobotImage(null))
-
-    // clear authToken saved in local storage
-    clearAuthToken()
-
-    dispatch(userLogOutAction())
-
-    // update nsecBunker delegated key after logout
-    const nostrController = NostrController.getInstance()
-    const newDelegatedKey = nostrController.generateDelegatedKey()
-    saveNsecBunkerDelegatedKey(newDelegatedKey)
-
+    logout()
     navigate('/')
   }
   const isAuthenticated = authState?.loggedIn === true
 
+  const matches = useMediaQuery('(max-width:767px)')
+  const [isBannerVisible, setIsBannerVisible] = useState(true)
+  const handleBannerHide = () => {
+    setIsBannerVisible(false)
+  }
+
   return (
-    <AppBarMui
-      position="fixed"
-      className={styles.AppBar}
-      sx={{
-        boxShadow: 'none'
-      }}
-    >
-      <Container>
-        <Toolbar className={styles.toolbar} disableGutters={true}>
-          <Box className={styles.logoWrapper}>
-            <img src="/logo.svg" alt="Logo" onClick={() => navigate('/')} />
-          </Box>
-
-          <Box className={styles.rightSideBox}>
-            {!isAuthenticated && (
+    <>
+      {isAuthenticated && isBannerVisible && (
+        <div className={styles.banner}>
+          <Container>
+            <div className={styles.bannerInner}>
+              <p className={styles.bannerText}>
+                SIGit is currently Beta software (available for user experience
+                testing), use at your own risk!
+              </p>
               <Button
-                startIcon={<ButtonIcon />}
-                onClick={() => {
-                  navigate(appPublicRoutes.nostr)
-                }}
-                variant="contained"
+                aria-label={`close banner`}
+                variant="text"
+                onClick={handleBannerHide}
               >
-                LOGIN
+                <FontAwesomeIcon icon={faClose} />
               </Button>
-            )}
+            </div>
+          </Container>
+        </div>
+      )}
+      <AppBarMui
+        position={matches ? 'sticky' : 'static'}
+        className={styles.AppBar}
+        sx={{
+          boxShadow: 'none'
+        }}
+      >
+        <Container>
+          <Toolbar className={styles.toolbar} disableGutters={true}>
+            <Box className={styles.logoWrapper}>
+              <img
+                src="/logo.svg"
+                alt="Logo"
+                onClick={() => {
+                  if (['', '#/'].includes(window.location.hash)) {
+                    location.reload()
+                  } else {
+                    navigate('/')
+                  }
+                }}
+              />
+            </Box>
 
-            {isAuthenticated && (
-              <>
-                <Username
-                  username={username}
-                  avatarContent={userAvatar}
-                  handleClick={handleOpenUserMenu}
-                />
-                <Menu
-                  id="menu-appbar"
-                  anchorEl={anchorElUser}
-                  anchorOrigin={{
-                    vertical: 'bottom',
-                    horizontal: 'center'
+            <Box className={styles.rightSideBox}>
+              {!isAuthenticated && (
+                <Button
+                  startIcon={<ButtonIcon />}
+                  onClick={() => {
+                    launchNostrLoginDialog()
                   }}
-                  keepMounted
-                  transformOrigin={{
-                    vertical: 'top',
-                    horizontal: 'center'
-                  }}
-                  open={!!anchorElUser}
-                  onClose={handleCloseUserMenu}
+                  variant="contained"
                 >
-                  <MenuItem
-                    sx={{
-                      justifyContent: 'center',
-                      display: { md: 'none' },
-                      fontWeight: 500,
-                      fontSize: '14px',
-                      color: 'var(--text-color)'
-                    }}
-                  >
-                    <Typography variant="h6">{username}</Typography>
-                  </MenuItem>
-                  <MenuItem
-                    onClick={handleProfile}
-                    sx={{
-                      justifyContent: 'center'
-                    }}
-                  >
-                    Profile
-                  </MenuItem>
-                  <MenuItem
-                    onClick={() => {
-                      setAnchorElUser(null)
+                  LOGIN
+                </Button>
+              )}
 
-                      navigate(appPrivateRoutes.settings)
+              {isAuthenticated && (
+                <>
+                  <Username
+                    username={username}
+                    avatarContent={userAvatar}
+                    handleClick={handleOpenUserMenu}
+                  />
+                  <Menu
+                    id="menu-appbar"
+                    anchorEl={anchorElUser}
+                    anchorOrigin={{
+                      vertical: 'bottom',
+                      horizontal: 'center'
                     }}
-                    sx={{
-                      justifyContent: 'center'
+                    keepMounted
+                    transformOrigin={{
+                      vertical: 'top',
+                      horizontal: 'center'
                     }}
-                  >
-                    Settings
-                  </MenuItem>
-                  <MenuItem
-                    onClick={() => {
-                      setAnchorElUser(null)
-
-                      navigate(appPublicRoutes.verify)
-                    }}
-                    sx={{
-                      justifyContent: 'center'
-                    }}
-                  >
-                    Verify
-                  </MenuItem>
-                  <Link
-                    to={appPublicRoutes.source}
-                    target="_blank"
-                    style={{ color: 'inherit', textDecoration: 'inherit' }}
+                    open={!!anchorElUser}
+                    onClose={handleCloseUserMenu}
                   >
                     <MenuItem
+                      sx={{
+                        justifyContent: 'center',
+                        display: { md: 'none' },
+                        fontWeight: 500,
+                        fontSize: '14px',
+                        color: 'var(--text-color)'
+                      }}
+                    >
+                      <Typography variant="h6">{username}</Typography>
+                    </MenuItem>
+                    <MenuItem
+                      onClick={handleProfile}
                       sx={{
                         justifyContent: 'center'
                       }}
                     >
-                      Source
+                      Profile
                     </MenuItem>
-                  </Link>
-                  <MenuItem
-                    onClick={handleLogout}
-                    sx={{
-                      justifyContent: 'center'
-                    }}
-                  >
-                    Logout
-                  </MenuItem>
-                </Menu>
-              </>
-            )}
-          </Box>
-        </Toolbar>
-      </Container>
-    </AppBarMui>
+                    <MenuItem
+                      onClick={() => {
+                        setAnchorElUser(null)
+
+                        navigate(appPrivateRoutes.settings)
+                      }}
+                      sx={{
+                        justifyContent: 'center'
+                      }}
+                    >
+                      Settings
+                    </MenuItem>
+                    <MenuItem
+                      onClick={() => {
+                        setAnchorElUser(null)
+
+                        navigate(appPublicRoutes.verify)
+                      }}
+                      sx={{
+                        justifyContent: 'center'
+                      }}
+                    >
+                      Verify
+                    </MenuItem>
+                    <Link
+                      to={appPublicRoutes.source}
+                      target="_blank"
+                      style={{ color: 'inherit', textDecoration: 'inherit' }}
+                    >
+                      <MenuItem
+                        sx={{
+                          justifyContent: 'center'
+                        }}
+                      >
+                        Source
+                      </MenuItem>
+                    </Link>
+                    <MenuItem
+                      onClick={handleLogout}
+                      sx={{
+                        justifyContent: 'center'
+                      }}
+                    >
+                      Logout
+                    </MenuItem>
+                  </Menu>
+                </>
+              )}
+            </Box>
+          </Toolbar>
+        </Container>
+      </AppBarMui>
+    </>
   )
 }

src/components/AppBar/style.module.scss

@@ -34,3 +34,42 @@
     justify-content: flex-end;
   }
 }
+
+.banner {
+  color: #ffffff;
+  background-color: $primary-main;
+}
+
+.bannerInner {
+  display: flex;
+  gap: 10px;
+  padding-block: 10px;
+  z-index: 1;
+
+  width: 100%;
+
+  justify-content: space-between;
+  flex-direction: row;
+
+  button {
+    min-width: 44px;
+    color: inherit;
+  }
+
+  &:hover,
+  &.active,
+  &:focus-within {
+    background: $primary-main;
+    color: inherit;
+
+    button {
+      color: inherit;
+    }
+  }
+}
+
+.bannerText {
+  margin-left: 54px;
+  flex-grow: 1;
+  text-align: center;
+}

src/components/ButtonUnderline/index.tsx

@@ -0,0 +1,24 @@
+import { PropsWithChildren } from 'react'
+import styles from './style.module.scss'
+
+interface ButtonUnderlineProps {
+  onClick: (event: React.MouseEvent<HTMLButtonElement>) => void
+  disabled?: boolean | undefined
+}
+
+export const ButtonUnderline = ({
+  onClick,
+  disabled = false,
+  children
+}: PropsWithChildren<ButtonUnderlineProps>) => {
+  return (
+    <button
+      type="button"
+      className={styles.button}
+      disabled={disabled}
+      onClick={onClick}
+    >
+      {children}
+    </button>
+  )
+}

src/components/ButtonUnderline/style.module.scss

@@ -0,0 +1,25 @@
+@import '../../styles/colors.scss';
+
+.button {
+  color: $primary-main !important;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 12px;
+
+  width: max-content;
+  margin: 0 auto;
+
+  // Override default styling
+  border: none !important;
+  outline: none !important;
+
+  // Override leaky css in sign page
+  background: transparent !important;
+
+  &:focus,
+  &:hover {
+    text-decoration: underline;
+    text-decoration-color: inherit;
+  }
+}

src/components/Container/index.tsx

@@ -6,6 +6,18 @@ interface ContainerProps {
   className?: string
 }
 
+/**
+ * Container component with pre-defined width, padding and margins for top level layout.
+ *
+ * **Important:** To avoid conflicts with `defaultStyle` (changing the `width`, `max-width`, `padding-inline`, and/or `margin-inline`) make sure to either:
+ * - When using *className* override, that styles are imported after the actual `Container` component
+ * ```
+ * import { Container } from './components/Container'
+ * import styles from './style.module.scss'
+ * ```
+ * - or add *!important* to imported styles
+ * - or override styles with *CSSProperties* object
+ */
 export const Container = ({
   style = {},
   className = '',

src/components/DisplaySigit/index.tsx

@@ -0,0 +1,143 @@
+import { Meta } from '../../types'
+import {
+  hexToNpub,
+  SigitCardDisplayInfo,
+  SigitStatus,
+  SignStatus
+} from '../../utils'
+import { Link } from 'react-router-dom'
+import { formatTimestamp, npubToHex } from '../../utils'
+import { appPublicRoutes, appPrivateRoutes } from '../../routes'
+import { Button, Divider, Tooltip } from '@mui/material'
+import { DisplaySigner } from '../DisplaySigner'
+import {
+  faArchive,
+  faCalendar,
+  faCopy,
+  faEye,
+  faFile,
+  faFileCircleExclamation
+} from '@fortawesome/free-solid-svg-icons'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { UserAvatarGroup } from '../UserAvatarGroup'
+
+import styles from './style.module.scss'
+import { getExtensionIconLabel } from '../getExtensionIconLabel'
+import { useSigitMeta } from '../../hooks/useSigitMeta'
+import { extractFileExtensions } from '../../utils/file'
+import { useAppSelector } from '../../hooks'
+
+type SigitProps = {
+  sigitCreateId: string
+  meta: Meta
+  parsedMeta: SigitCardDisplayInfo
+}
+
+export const DisplaySigit = ({
+  meta,
+  parsedMeta,
+  sigitCreateId: sigitCreateId
+}: SigitProps) => {
+  const { usersPubkey } = useAppSelector((state) => state.auth)
+
+  const { title, createdAt, submittedBy, signers, signedStatus, isValid } =
+    parsedMeta
+
+  const { signersStatus, fileHashes } = useSigitMeta(meta)
+  const { extensions, isSame } = extractFileExtensions(Object.keys(fileHashes))
+
+  const currentUserNpub: string = usersPubkey ? hexToNpub(usersPubkey) : ''
+  const currentUserNextSigner =
+    signersStatus[currentUserNpub as `npub1${string}`] === SignStatus.Awaiting
+
+  return (
+    <div className={styles.itemWrapper}>
+      {signedStatus === SigitStatus.Complete || !currentUserNextSigner ? (
+        <Link
+          to={`${appPublicRoutes.verify}/${sigitCreateId}`}
+          className={styles.insetLink}
+        ></Link>
+      ) : (
+        <Link
+          to={`${appPrivateRoutes.sign}/${sigitCreateId}`}
+          className={styles.insetLink}
+        ></Link>
+      )}
+
+      <p className={`line-clamp-2 ${styles.title}`}>{title}</p>
+      <div className={styles.users}>
+        {submittedBy && (
+          <DisplaySigner
+            status={isValid ? SignStatus.Signed : SignStatus.Invalid}
+            pubkey={submittedBy}
+          />
+        )}
+        {submittedBy && signers.length ? (
+          <Divider orientation="vertical" flexItem />
+        ) : null}
+        <UserAvatarGroup max={7}>
+          {signers.map((signer) => {
+            const pubkey = npubToHex(signer)!
+            return (
+              <DisplaySigner
+                key={pubkey}
+                status={signersStatus[signer]}
+                pubkey={pubkey}
+              />
+            )
+          })}
+        </UserAvatarGroup>
+      </div>
+      <div className={`${styles.details} ${styles.iconLabel}`}>
+        <FontAwesomeIcon icon={faCalendar} />
+        {createdAt ? formatTimestamp(createdAt) : null}
+      </div>
+      <div className={`${styles.details} ${styles.status}`}>
+        <span className={styles.iconLabel}>
+          <FontAwesomeIcon icon={faEye} /> {signedStatus}
+        </span>
+        {extensions.length > 0 ? (
+          <span className={styles.iconLabel}>
+            {!isSame ? (
+              <>
+                <FontAwesomeIcon icon={faFile} /> Multiple File Types
+              </>
+            ) : (
+              getExtensionIconLabel(extensions[0])
+            )}
+          </span>
+        ) : (
+          <>
+            <FontAwesomeIcon icon={faFileCircleExclamation} /> &mdash;
+          </>
+        )}
+      </div>
+      <div className={styles.itemActions}>
+        <Tooltip title="Duplicate" arrow placement="top" disableInteractive>
+          <Button
+            sx={{
+              color: 'var(--primary-main)',
+              minWidth: '34px',
+              padding: '10px'
+            }}
+            variant={'text'}
+          >
+            <FontAwesomeIcon icon={faCopy} />
+          </Button>
+        </Tooltip>
+        <Tooltip title="Archive" arrow placement="top" disableInteractive>
+          <Button
+            sx={{
+              color: 'var(--primary-main)',
+              minWidth: '34px',
+              padding: '10px'
+            }}
+            variant={'text'}
+          >
+            <FontAwesomeIcon icon={faArchive} />
+          </Button>
+        </Tooltip>
+      </div>
+    </div>
+  )
+}

src/components/DisplaySigit/style.module.scss

@@ -0,0 +1,114 @@
+@import '../../styles/colors.scss';
+
+.itemWrapper {
+  position: relative;
+  overflow: hidden;
+  background-color: $overlay-background-color;
+  border-radius: 4px;
+
+  display: flex;
+  padding: 15px;
+  gap: 15px;
+  flex-direction: column;
+
+  &:only-child {
+    max-width: 600px;
+  }
+
+  &::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    bottom: 0;
+    transition: opacity ease 0.2s;
+    opacity: 0;
+    width: 4px;
+    background-color: $primary-main;
+    pointer-events: none;
+  }
+
+  &:hover,
+  &:focus-within {
+    &::before {
+      opacity: 1;
+    }
+
+    .itemActions {
+      transform: translateX(0);
+    }
+  }
+}
+
+.insetLink {
+  position: absolute;
+  inset: 0;
+  outline: none;
+}
+
+.itemActions {
+  display: flex;
+  gap: 10px;
+  padding: 10px;
+
+  > * {
+    flex-grow: 1;
+  }
+
+  @media (hover: hover) {
+    transition: ease 0.2s;
+    transform: translateX(100%);
+    position: absolute;
+    right: 0;
+    top: 0;
+    bottom: 0;
+
+    flex-direction: column;
+    background: $overlay-background-color;
+    border-left: solid 1px rgba(0, 0, 0, 0.1);
+
+    &:hover,
+    &:focus-within {
+      transform: translateX(0);
+    }
+  }
+
+  @media (hover: none) {
+    border-top: solid 1px rgba(0, 0, 0, 0.1);
+    padding-top: 10px;
+    margin-inline: -15px;
+    margin-bottom: -15px;
+  }
+}
+
+.title {
+  font-size: 20px;
+  color: $text-color;
+}
+
+.users {
+  margin-top: auto;
+
+  display: flex;
+  grid-gap: 10px;
+}
+
+.details {
+  color: rgba(0, 0, 0, 0.3);
+  font-size: 14px;
+}
+
+.iconLabel {
+  display: flex;
+  grid-gap: 10px;
+  align-items: center;
+}
+
+.status {
+  display: flex;
+  grid-gap: 25px;
+}
+
+a.itemWrapper:hover {
+  text-decoration: none;
+}

src/components/DisplaySigner/index.tsx

@@ -0,0 +1,56 @@
+import { Badge } from '@mui/material'
+import styles from './style.module.scss'
+import { UserAvatar } from '../UserAvatar'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import {
+  faCheck,
+  faEllipsis,
+  faExclamation,
+  faEye,
+  faHourglass,
+  faQuestion
+} from '@fortawesome/free-solid-svg-icons'
+import { SignStatus } from '../../utils'
+import { Spinner } from '../Spinner'
+
+type DisplaySignerProps = {
+  pubkey: string
+  status: SignStatus
+}
+
+const getStatusIcon = (status: SignStatus) => {
+  switch (status) {
+    case SignStatus.Signed:
+      return <FontAwesomeIcon icon={faCheck} />
+    case SignStatus.Awaiting:
+      return (
+        <Spinner>
+          <FontAwesomeIcon icon={faHourglass} />
+        </Spinner>
+      )
+    case SignStatus.Pending:
+      return <FontAwesomeIcon icon={faEllipsis} />
+    case SignStatus.Invalid:
+      return <FontAwesomeIcon icon={faExclamation} />
+    case SignStatus.Viewer:
+      return <FontAwesomeIcon icon={faEye} />
+
+    default:
+      return <FontAwesomeIcon icon={faQuestion} />
+  }
+}
+
+export const DisplaySigner = ({ status, pubkey }: DisplaySignerProps) => {
+  return (
+    <Badge
+      className={styles.signer}
+      overlap="circular"
+      anchorOrigin={{ vertical: 'top', horizontal: 'right' }}
+      badgeContent={
+        <div className={styles.statusBadge}>{getStatusIcon(status)}</div>
+      }
+    >
+      <UserAvatar pubkey={pubkey} />
+    </Badge>
+  )
+}

src/components/DisplaySigner/style.module.scss

@@ -0,0 +1,23 @@
+@import '../../styles/colors.scss';
+
+.statusBadge {
+  width: 22px;
+  height: 22px;
+  border-radius: 50%;
+
+  color: white;
+
+  display: flex;
+  align-items: center;
+  justify-content: center;
+
+  font-size: 10px;
+
+  background-color: $primary-main;
+}
+
+.signer {
+  background-color: white;
+  border-radius: 50%;
+  z-index: 1;
+}

src/components/DrawPDFFields/internal/Counterpart.module.scss

@@ -0,0 +1,3 @@
+.counterpartSelectValue {
+  display: flex;
+}

src/components/DrawPDFFields/internal/Counterpart.tsx

@@ -0,0 +1,47 @@
+import React from 'react'
+import { User } from '../../../types'
+import _ from 'lodash'
+import { npubToHex, getProfileUsername } from '../../../utils'
+import { AvatarIconButton } from '../../UserAvatarIconButton'
+import styles from './Counterpart.module.scss'
+import { NDKUserProfile } from '@nostr-dev-kit/ndk'
+
+interface CounterpartProps {
+  npub: string
+  userProfiles: {
+    [key: string]: NDKUserProfile
+  }
+  signers: User[]
+}
+
+export const Counterpart = React.memo(
+  ({ npub, userProfiles, signers }: CounterpartProps) => {
+    let displayValue = _.truncate(npub, { length: 16 })
+
+    const signer = signers.find((u) => u.pubkey === npubToHex(npub))
+    if (signer) {
+      const profile = userProfiles[signer.pubkey]
+      displayValue = getProfileUsername(npub, profile)
+
+      return (
+        <div className={styles.counterpartSelectValue}>
+          <AvatarIconButton
+            src={profile?.image}
+            hexKey={signer.pubkey || undefined}
+            sx={{
+              padding: 0,
+              marginRight: '6px',
+              '> img': {
+                width: '21px',
+                height: '21px'
+              }
+            }}
+          />
+          {displayValue}
+        </div>
+      )
+    }
+
+    return displayValue
+  }
+)

src/components/DrawPDFFields/internal/FileItem.tsx

@@ -0,0 +1,19 @@
+import React from 'react'
+import { SigitFile } from '../../../utils/file'
+import { ExtensionFileBox } from '../../ExtensionFileBox'
+import { ImageItem } from './ImageItem'
+
+interface FileItemProps {
+  file: SigitFile
+}
+
+export const FileItem = React.memo(({ file }: FileItemProps) => {
+  const content = <ExtensionFileBox extension={file.extension} />
+  if (file.isImage) return <ImageItem file={file} />
+
+  return (
+    <div key={file.name} className="file-wrapper" id={`file-${file.name}`}>
+      {content}
+    </div>
+  )
+})

src/components/DrawPDFFields/internal/ImageItem.tsx

@@ -0,0 +1,10 @@
+import React from 'react'
+import { SigitFile } from '../../../utils/file'
+
+interface ImageItemProps {
+  file: SigitFile
+}
+
+export const ImageItem = React.memo(({ file }: ImageItemProps) => {
+  return <img className="file-image" src={file.objectUrl} alt={file.name} />
+})

src/components/DrawPDFFields/style.module.scss

@@ -1,3 +1,5 @@
+@import '../../styles/sizes.scss';
+
 .pdfFieldItem {
   background: white;
   padding: 10px;
@@ -5,61 +7,26 @@
   cursor: pointer;
 }
 
-.drawToolBoxContainer {
-  position: fixed;
-  bottom: 0;
-  left: 0;
-  right: 0;
-  display: flex;
-  justify-content: center;
-  z-index: 50;
-
-  .drawToolBox {
-    display: flex;
-    gap: 10px;
-    min-width: 100px;
-    background-color: white;
-    padding: 15px;
-    box-shadow: 0 0 10px 1px #0000003b;
-    border-radius: 4px;
-
-    .toolItem {
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      border: 1px solid rgba(0, 0, 0, 0.137);
-      padding: 5px;
-      cursor: pointer;
-      user-select: none;
-
-      &.selected {
-        border-color: #01aaad;
-        color: #01aaad;
-      }
-
-      &:not(.selected) {
-        &:hover {
-          border-color: #01aaad79;
-        }
-      }
-
-    }
-  }
-}
-
 .pdfImageWrapper {
-  position: relative;
-  user-select: none;
-  
   &.drawing {
     cursor: crosshair;
   }
 }
 
+.pdfImageWrapper:focus {
+  outline: none;
+}
+
+.placeholder {
+  position: absolute;
+  opacity: 0.5;
+  inset: 0;
+}
+
 .drawingRectangle {
   position: absolute;
-  border: 1px solid #01aaad;
-  z-index: 50;
+  outline: 1px solid #01aaad;
+  z-index: 40;
   background-color: #01aaad4b;
   cursor: pointer;
   display: flex;
@@ -80,7 +47,14 @@
     background-color: #fff;
     border: 1px solid rgb(160, 160, 160);
     border-radius: 50%;
-    cursor: pointer;
+    cursor: grab;
+
+    // Increase the area a bit so it's easier to click
+    &::after {
+      content: '';
+      position: absolute;
+      inset: -14px;
+    }
   }
 
   .removeHandle {
@@ -94,7 +68,7 @@
     background-color: #fff;
     border: 1px solid rgb(160, 160, 160);
     border-radius: 50%;
-    color: #E74C3C;
+    color: #e74c3c;
     font-size: 10px;
     cursor: pointer;
   }
@@ -105,9 +79,40 @@
     justify-content: center;
     align-items: center;
     bottom: -60px;
-    min-width: 170px;
+    min-width: 193px;
     min-height: 30px;
-    background: #fff;
     padding: 5px 0;
   }
-}
+}
+
+.counterpartAvatar {
+  img {
+    width: 21px;
+    height: 21px;
+  }
+}
+
+.signingRectangle {
+  position: absolute;
+  outline: 1px solid #01aaad;
+  z-index: 40;
+  background-color: #01aaad4b;
+  cursor: pointer;
+
+  &.edited {
+    outline: 1px dotted #01aaad;
+  }
+}
+
+.drawingRectanglePreview {
+  position: absolute;
+  outline: 1px solid;
+  z-index: 50;
+  cursor: pointer;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  pointer-events: none;
+  touch-action: none;
+  opacity: 0.8;
+}

src/components/ExtensionFileBox.tsx

@@ -0,0 +1,6 @@
+interface ExtensionFileBoxProps {
+  extension: string
+}
+export const ExtensionFileBox = ({ extension }: ExtensionFileBoxProps) => (
+  <div className="extension-file-box">This is a {extension} file</div>
+)

src/components/FileDivider.tsx

@@ -0,0 +1,12 @@
+import Divider from '@mui/material/Divider/Divider'
+
+export const FileDivider = () => (
+  <Divider
+    sx={{
+      fontSize: '12px',
+      color: 'rgba(0,0,0,0.15)'
+    }}
+  >
+    File Separator
+  </Divider>
+)

src/components/FileList/index.tsx

@@ -0,0 +1,98 @@
+import React from 'react'
+import { Button, Menu, MenuItem } from '@mui/material'
+import PopupState, { bindTrigger, bindMenu } from 'material-ui-popup-state'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import {
+  faCheck,
+  faLock,
+  faTriangleExclamation
+} from '@fortawesome/free-solid-svg-icons'
+import { CurrentUserFile } from '../../types/file.ts'
+import styles from './style.module.scss'
+
+interface FileListProps {
+  files: CurrentUserFile[]
+  currentFile: CurrentUserFile
+  setCurrentFile: (file: CurrentUserFile) => void
+  handleExport?: () => void
+  handleEncryptedExport?: () => void
+}
+
+const FileList = ({
+  files,
+  currentFile,
+  setCurrentFile,
+  handleExport,
+  handleEncryptedExport
+}: FileListProps) => {
+  const isActive = (file: CurrentUserFile) => file.id === currentFile.id
+  return (
+    <div className={styles.wrap}>
+      <ul className={styles.files}>
+        {files.map((currentUserFile: CurrentUserFile) => (
+          <li
+            key={currentUserFile.id}
+            className={`${styles.fileItem} ${isActive(currentUserFile) && styles.active}`}
+            onClick={() => setCurrentFile(currentUserFile)}
+          >
+            <div className={styles.fileNumber}>{currentUserFile.id}</div>
+            <div className={styles.fileInfo}>
+              <div className={styles.fileName}>{currentUserFile.file.name}</div>
+            </div>
+
+            <div className={styles.fileVisual}>
+              {currentUserFile.isHashValid && (
+                <FontAwesomeIcon icon={faCheck} />
+              )}
+            </div>
+          </li>
+        ))}
+      </ul>
+
+      {(typeof handleExport === 'function' ||
+        typeof handleEncryptedExport === 'function') && (
+        <PopupState variant="popover" popupId="download-popup-menu">
+          {(popupState) => (
+            <React.Fragment>
+              <Button variant="contained" {...bindTrigger(popupState)}>
+                Export files
+              </Button>
+              <Menu {...bindMenu(popupState)}>
+                {typeof handleEncryptedExport === 'function' && (
+                  <MenuItem
+                    onClick={() => {
+                      popupState.close
+                      handleEncryptedExport()
+                    }}
+                  >
+                    <FontAwesomeIcon
+                      color={'var(--mui-palette-primary-main)'}
+                      icon={faLock}
+                    />
+                    &nbsp; ENCRYPTED
+                  </MenuItem>
+                )}
+                {typeof handleExport === 'function' && (
+                  <MenuItem
+                    onClick={() => {
+                      popupState.close
+                      handleExport()
+                    }}
+                  >
+                    <FontAwesomeIcon
+                      color={'var(--mui-palette-primary-main)'}
+                      icon={faTriangleExclamation}
+                    />
+                    &nbsp; UNENCRYPTED
+                  </MenuItem>
+                )}
+              </Menu>
+            </React.Fragment>
+          )}
+        </PopupState>
+      )}
+    </div>
+  )
+}
+
+export default FileList

src/components/FileList/style.module.scss

@@ -0,0 +1,103 @@
+.filesPageContainer {
+  width: 100%;
+  display: grid;
+  grid-template-columns: 0.75fr 1.5fr 0.75fr;
+  grid-gap: 30px;
+  flex-grow: 1;
+}
+
+.wrap {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 15px;
+}
+
+.files {
+  border-radius: 4px;
+  background: white;
+  padding: 15px;
+
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  grid-gap: 15px;
+  overflow-y: auto;
+  overflow-x: none;
+}
+
+.files::-webkit-scrollbar {
+  width: 10px;
+}
+
+.files::-webkit-scrollbar-track {
+  background-color: rgba(0, 0, 0, 0.15);
+}
+
+.files::-webkit-scrollbar-thumb {
+  max-width: 10px;
+  border-radius: 2px;
+  background-color: #4c82a3;
+  cursor: grab;
+}
+
+.fileItem {
+  transition: ease 0.2s;
+  display: flex;
+  flex-direction: row;
+  grid-gap: 10px;
+  border-radius: 4px;
+  overflow: hidden;
+  background: #ffffff;
+  padding: 5px 10px;
+  align-items: center;
+  color: rgba(0, 0, 0, 0.5);
+  cursor: pointer;
+  flex-grow: 1;
+  font-size: 16px;
+  font-weight: 500;
+  min-height: 45px;
+
+  &.active {
+    background: #4c82a3;
+    color: white;
+  }
+}
+
+.fileItem:hover {
+  background: #4c82a3;
+  color: white;
+}
+
+.fileInfo {
+  flex-grow: 1;
+  font-size: 16px;
+  font-weight: 500;
+}
+
+.fileName {
+  display: -webkit-box;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  -webkit-line-clamp: 1;
+  line-clamp: 1;
+}
+
+.fileNumber {
+  font-size: 14px;
+  font-weight: 500;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  width: 10px;
+}
+
+.fileVisual {
+  display: flex;
+  flex-shrink: 0;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  height: 25px;
+  width: 25px;
+}

src/components/Footer/Footer.tsx

@@ -4,125 +4,134 @@ import styles from './style.module.scss'
 import { Container } from '../Container'
 import nostrImage from '../../assets/images/nostr.gif'
 import { appPublicRoutes } from '../../routes'
+import { createPortal } from 'react-dom'
 
-export const Footer = () => (
-  <footer className={`${styles.borderTop} ${styles.footer}`}>
-    <Container
-      style={{
-        paddingBlock: '50px'
-      }}
-    >
-      <Box
-        display={'grid'}
-        sx={{
-          gridTemplateColumns: {
-            xs: '1fr',
-            md: '0.5fr 2fr 0.5fr'
-          },
-          alignItems: {
-            xs: 'center',
-            md: 'start'
-          }
+export const Footer = () =>
+  createPortal(
+    <footer className={`${styles.borderTop} ${styles.footer}`}>
+      <Container
+        style={{
+          paddingBlock: '50px'
         }}
-        gap={'50px'}
       >
-        <LinkMui
+        <Box
+          display={'grid'}
           sx={{
-            justifySelf: {
+            gridTemplateColumns: {
+              xs: '1fr',
+              md: '0.5fr 2fr 0.5fr'
+            },
+            alignItems: {
               xs: 'center',
               md: 'start'
             }
           }}
-          component={Link}
-          to={'/'}
-          className={styles.logo}
+          gap={'50px'}
         >
-          <img src="/logo.svg" alt="Logo" />
-        </LinkMui>
-        <Box
-          display={'grid'}
-          sx={{
-            gap: '15px',
-            gridTemplateColumns: {
-              xs: '1fr',
-              sm: 'repeat(2, 1fr)',
-              xl: 'repeat(3, 1fr)'
-            },
-            borderBlock: {
-              xs: 'solid 1px rgba(0, 0, 0, 0.1)',
-              md: 'unset'
-            },
-            paddingY: {
-              xs: '10px',
-              md: 'unset'
-            }
-          }}
-          component={'nav'}
-          className={styles.nav}
-        >
-          <Button
+          <LinkMui
             sx={{
-              justifyContent: 'center'
+              justifySelf: {
+                xs: 'center',
+                md: 'start'
+              }
             }}
             component={Link}
             to={'/'}
-            variant={'text'}
+            className={styles.logo}
           >
-            Home
-          </Button>
-          <Button
+            <img src="/logo.svg" alt="Logo" />
+          </LinkMui>
+          <Box
+            display={'grid'}
             sx={{
-              justifyContent: 'center'
+              gap: '15px',
+              gridTemplateColumns: {
+                xs: '1fr',
+                sm: 'repeat(2, 1fr)',
+                xl: 'repeat(3, 1fr)'
+              },
+              borderBlock: {
+                xs: 'solid 1px rgba(0, 0, 0, 0.1)',
+                md: 'unset'
+              },
+              paddingY: {
+                xs: '10px',
+                md: 'unset'
+              }
             }}
-            component={LinkMui}
-            href={appPublicRoutes.docs}
-            target="_blank"
-            variant={'text'}
+            component={'nav'}
+            className={styles.nav}
           >
-            Documentation
-          </Button>
-          <Button
+            <Button
+              sx={{
+                justifyContent: 'center'
+              }}
+              component={Link}
+              to={'/'}
+              onClick={(event) => {
+                if (['', '#/'].includes(window.location.hash)) {
+                  event.preventDefault()
+                  window.scrollTo(0, 0)
+                }
+              }}
+              variant={'text'}
+            >
+              Home
+            </Button>
+            <Button
+              sx={{
+                justifyContent: 'center'
+              }}
+              component={LinkMui}
+              href={appPublicRoutes.docs}
+              target="_blank"
+              variant={'text'}
+            >
+              Documentation
+            </Button>
+            <Button
+              sx={{
+                justifyContent: 'center'
+              }}
+              component={LinkMui}
+              href={appPublicRoutes.source}
+              target="_blank"
+              variant={'text'}
+            >
+              Source
+            </Button>
+          </Box>
+          <Box
+            className={styles.links}
             sx={{
-              justifyContent: 'center'
+              justifySelf: {
+                xs: 'center',
+                md: 'end'
+              }
             }}
-            component={LinkMui}
-            href={appPublicRoutes.source}
-            target="_blank"
-            variant={'text'}
           >
-            Source
-          </Button>
+            <Button
+              component={LinkMui}
+              href="https://snort.social/npub1yay8e9sqk94jfgdlkpgeelj2t5ddsj2eu0xwt4kh4xw5ses2rauqnstrdv"
+              target="_blank"
+              sx={{
+                minWidth: '45px',
+                padding: '10px'
+              }}
+              variant={'contained'}
+            >
+              <img src={nostrImage} width="25" alt="nostr logo" height="25" />
+            </Button>
+          </Box>
         </Box>
-        <Box
-          className={styles.links}
-          sx={{
-            justifySelf: {
-              xs: 'center',
-              md: 'end'
-            }
-          }}
-        >
-          <Button
-            component={LinkMui}
-            href="https://snort.social/npub1yay8e9sqk94jfgdlkpgeelj2t5ddsj2eu0xwt4kh4xw5ses2rauqnstrdv"
-            target="_blank"
-            sx={{
-              minWidth: '45px',
-              padding: '10px'
-            }}
-            variant={'contained'}
-          >
-            <img src={nostrImage} width="25" alt="nostr logo" height="25" />
-          </Button>
-        </Box>
-      </Box>
-    </Container>
-    <div className={`${styles.borderTop} ${styles.credits}`}>
-      Built by&nbsp;
-      <a href="https://nostrdev.com/" target="_blank">
-        Nostr Dev
-      </a>{' '}
-      2024.
-    </div>
-  </footer>
-)
+      </Container>
+      <div className={`${styles.borderTop} ${styles.credits}`}>
+        Built by&nbsp;
+        <a rel="noopener" href="https://nostrdev.com/" target="_blank">
+          Nostr Dev
+        </a>{' '}
+        2024.
+      </div>
+    </footer>,
+    document.getElementById('root')!
+  )

src/components/LoadingSpinner/index.tsx

@@ -1,18 +1,43 @@
+import { createPortal } from 'react-dom'
 import styles from './style.module.scss'
+import { PropsWithChildren } from 'react'
 
 interface Props {
-  desc: string
+  desc?: string
+  variant?: 'small' | 'default'
 }
 
-export const LoadingSpinner = (props: Props) => {
-  const { desc } = props
+export const LoadingSpinner = (props: PropsWithChildren<Props>) => {
+  const { desc, children, variant = 'default' } = props
 
-  return (
-    <div className={styles.loadingSpinnerOverlay}>
-      <div className={styles.loadingSpinnerContainer}>
-        <div className={styles.loadingSpinner}></div>
-        {desc && <span className={styles.loadingSpinnerDesc}>{desc}</span>}
-      </div>
-    </div>
-  )
+  switch (variant) {
+    case 'small':
+      return (
+        <div
+          className={`${styles.loadingSpinnerContainer}`}
+          data-variant={variant}
+        >
+          <div className={styles.loadingSpinner}></div>
+        </div>
+      )
+
+    default:
+      return createPortal(
+        <div className={styles.loadingSpinnerOverlay}>
+          <div
+            className={styles.loadingSpinnerContainer}
+            data-variant={variant}
+          >
+            <div className={styles.loadingSpinner}></div>
+            {desc && (
+              <div className={styles.loadingSpinnerDesc}>
+                {desc}
+                {children}
+              </div>
+            )}
+          </div>
+        </div>,
+        document.getElementById('root')!
+      )
+  }
 }

src/components/LoadingSpinner/style.module.scss

@@ -2,37 +2,56 @@
 
 .loadingSpinnerOverlay {
   position: fixed;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
+  inset: 0;
   display: flex;
   align-items: center;
   justify-content: center;
   background-color: rgba(0, 0, 0, 0.5);
-  z-index: 9999;
+  z-index: 70;
+  -webkit-backdrop-filter: blur(10px);
+  backdrop-filter: blur(10px);
+}
 
-  .loadingSpinnerContainer {
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    justify-content: center;
+.loadingSpinnerContainer {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+
+  &[data-variant='default'] {
+    width: 100%;
+    max-width: 500px;
+    margin: 25px 20px;
+    background: $overlay-background-color;
+    border-radius: 4px;
+    box-shadow: 0 0 4px 0 rgb(0, 0, 0, 0.1);
   }
-
-  .loadingSpinner {
-    background: url('/favicon.png') no-repeat center / cover;
-    width: 40px;
-    height: 40px;
-    animation: spin 1s linear infinite;
+  &[data-variant='small'] {
+    min-height: 250px;
   }
 }
 
+.loadingSpinner {
+  background: url('/favicon.png') no-repeat center / cover;
+  margin: 40px 25px;
+  width: 65px;
+  height: 65px;
+  animation: spin 1s linear infinite;
+}
+
 .loadingSpinnerDesc {
-  color: white;
-  margin-top: 13px;
+  width: 100%;
+  padding: 15px;
+  border-top: solid 1px rgba(0, 0, 0, 0.1);
+  color: rgba(0, 0, 0, 0.5);
 
   font-size: 16px;
   font-weight: 400;
+
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 10px;
 }
 
 @keyframes spin {

src/components/MarkFormField/index.tsx

@@ -0,0 +1,203 @@
+import { CurrentUserMark } from '../../types/mark.ts'
+import {
+  findNextIncompleteCurrentUserMark,
+  getToolboxLabelByMarkType,
+  isCurrentUserMarksComplete,
+  isCurrentValueLast
+} from '../../utils'
+import React, { useState } from 'react'
+import { MarkInput } from '../MarkTypeStrategy/MarkInput.tsx'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faCheck, faDownload } from '@fortawesome/free-solid-svg-icons'
+import { Button } from '@mui/material'
+import styles from './style.module.scss'
+import { ButtonUnderline } from '../ButtonUnderline/index.tsx'
+
+interface MarkFormFieldProps {
+  currentUserMarks: CurrentUserMark[]
+  handleCurrentUserMarkChange: (mark: CurrentUserMark) => void
+  handleSelectedMarkValueChange: (value: string) => void
+  handleSubmit: (
+    event: React.MouseEvent<HTMLButtonElement>,
+    type: 'online' | 'offline'
+  ) => void
+  selectedMark: CurrentUserMark | null
+  selectedMarkValue: string
+}
+
+/**
+ * Responsible for rendering a form field connected to a mark and keeping track of its value.
+ */
+const MarkFormField = ({
+  handleSubmit,
+  handleSelectedMarkValueChange,
+  selectedMark,
+  selectedMarkValue,
+  currentUserMarks,
+  handleCurrentUserMarkChange
+}: MarkFormFieldProps) => {
+  const [displayActions, setDisplayActions] = useState(true)
+  const [complete, setComplete] = useState(false)
+  const isReadyToSign = () =>
+    isCurrentUserMarksComplete(currentUserMarks) ||
+    isCurrentValueLast(currentUserMarks, selectedMark, selectedMarkValue)
+  const isCurrent = (currentMark: CurrentUserMark) =>
+    currentMark.id === selectedMark?.id && !complete
+  const isDone = (currentMark: CurrentUserMark) =>
+    isCurrent(currentMark) ? !!selectedMarkValue : currentMark.isCompleted
+  const findNext = () => {
+    return (
+      currentUserMarks[selectedMark!.id] ||
+      findNextIncompleteCurrentUserMark(currentUserMarks)
+    )
+  }
+  const handleFormSubmit = (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault()
+    // Without this line, we lose mark values when switching
+    handleCurrentUserMarkChange(selectedMark!)
+
+    if (!complete) {
+      isReadyToSign()
+        ? setComplete(true)
+        : handleCurrentUserMarkChange(findNext()!)
+    }
+  }
+
+  const toggleActions = () => setDisplayActions(!displayActions)
+  const markLabel = selectedMark
+    ? getToolboxLabelByMarkType(selectedMark.mark.type)
+    : ''
+  const handleCurrentUserMarkClick = (mark: CurrentUserMark) => {
+    setComplete(false)
+    handleCurrentUserMarkChange(mark)
+  }
+
+  const handleSelectCompleteMark = () => {
+    if (currentUserMarks.length) handleCurrentUserMarkChange(selectedMark!)
+    setComplete(true)
+  }
+
+  const handleSignAndComplete =
+    (type: 'online' | 'offline') =>
+    (event: React.MouseEvent<HTMLButtonElement>) => {
+      handleSubmit(event, type)
+    }
+
+  return (
+    <div className={styles.container}>
+      <div className={styles.trigger}>
+        <button
+          onClick={toggleActions}
+          className={styles.triggerBtn}
+          type="button"
+          title="Toggle"
+        >
+          <svg
+            xmlns="http://www.w3.org/2000/svg"
+            viewBox="-64 0 512 512"
+            width="1em"
+            height="1em"
+            fill="currentColor"
+            transform={displayActions ? 'rotate(180)' : 'rotate(0)'}
+          >
+            <path d="M352 352c-8.188 0-16.38-3.125-22.62-9.375L192 205.3l-137.4 137.4c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25l160-160c12.5-12.5 32.75-12.5 45.25 0l160 160c12.5 12.5 12.5 32.75 0 45.25C368.4 348.9 360.2 352 352 352z"></path>
+          </svg>
+        </button>
+      </div>
+      <div className={`${styles.actions} ${displayActions && styles.expanded}`}>
+        <div className={styles.actionsWrapper}>
+          <div className={styles.actionsTop}>
+            <div className={styles.actionsTopInfo}>
+              {!complete && selectedMark ? (
+                <p className={styles.actionsTopInfoText}>Add {markLabel}</p>
+              ) : (
+                <p className={styles.actionsTopInfoText}>Finish</p>
+              )}
+            </div>
+          </div>
+          <div className={styles.inputWrapper}>
+            {!complete && selectedMark ? (
+              <form onSubmit={(e) => handleFormSubmit(e)}>
+                <MarkInput
+                  markType={selectedMark.mark.type}
+                  key={selectedMark.id}
+                  value={selectedMarkValue}
+                  placeholder={markLabel}
+                  handler={handleSelectedMarkValueChange}
+                  userMark={selectedMark}
+                />
+                <div className={styles.actionsBottom}>
+                  <Button type="submit" className={styles.submitButton}>
+                    NEXT
+                  </Button>
+                </div>
+              </form>
+            ) : (
+              <>
+                <div className={styles.actionsBottom}>
+                  <Button
+                    onClick={handleSignAndComplete('online')}
+                    className={[
+                      styles.submitButton,
+                      styles.completeButton
+                    ].join(' ')}
+                    disabled={!isReadyToSign()}
+                    autoFocus
+                  >
+                    SIGN AND BROADCAST
+                  </Button>
+                </div>
+                <ButtonUnderline
+                  onClick={handleSignAndComplete('offline')}
+                  disabled={!isReadyToSign()}
+                >
+                  <FontAwesomeIcon icon={faDownload} />
+                  Sign and export locally instead
+                </ButtonUnderline>
+              </>
+            )}
+
+            <div className={styles.footerContainer}>
+              <div className={styles.footer}>
+                {currentUserMarks.map((mark, index) => {
+                  return (
+                    <div className={styles.pagination} key={index}>
+                      <button
+                        type="button"
+                        className={`${styles.paginationButton} ${isDone(mark) ? styles.paginationButtonDone : ''}`}
+                        onClick={() => handleCurrentUserMarkClick(mark)}
+                      >
+                        {mark.id}
+                      </button>
+                      {isCurrent(mark) && (
+                        <div className={styles.paginationButtonCurrent}></div>
+                      )}
+                    </div>
+                  )
+                })}
+                <div className={styles.pagination}>
+                  <button
+                    type="button"
+                    className={`${styles.paginationButton} ${isReadyToSign() ? styles.paginationButtonDone : ''}`}
+                    onClick={handleSelectCompleteMark}
+                    title="Complete"
+                  >
+                    <FontAwesomeIcon
+                      className={styles.finishPage}
+                      icon={faCheck}
+                    />
+                  </button>
+                  {complete && (
+                    <div className={styles.paginationButtonCurrent}></div>
+                  )}
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default MarkFormField

src/components/MarkFormField/style.module.scss

@@ -0,0 +1,228 @@
+@import '../../styles/sizes.scss';
+
+.container {
+  display: flex;
+  flex-direction: column;
+  position: fixed;
+
+  @media only screen and (min-width: 768px) {
+    bottom: 0;
+    right: 0;
+    left: 0;
+  }
+  bottom: $tabs-height + 5px;
+  right: 5px;
+  left: 5px;
+
+  align-items: center;
+  z-index: 40;
+
+  button {
+    transition: ease 0.2s;
+    width: auto;
+    border-radius: 4px;
+    outline: unset;
+    border: unset;
+    background: unset;
+    color: #ffffff;
+    background: #4c82a3;
+    font-weight: 500;
+    font-size: 14px;
+    padding: 8px 15px;
+    white-space: nowrap;
+    display: flex;
+    flex-direction: row;
+    grid-gap: 12px;
+    justify-content: center;
+    align-items: center;
+    text-decoration: unset;
+    position: relative;
+    cursor: pointer;
+  }
+
+  button:hover {
+    background: #5e8eab;
+    color: white;
+  }
+
+  button:active {
+    background: #447592;
+    color: white;
+  }
+
+  .actionButtons {
+    display: flex;
+    flex-direction: row;
+    grid-gap: 5px;
+  }
+
+  .actionsBottom {
+    display: flex;
+    flex-direction: row;
+    grid-gap: 5px;
+    justify-content: center;
+    align-items: center;
+  }
+
+  .submitButton {
+    width: 100%;
+    max-width: 300px;
+    margin-top: 10px;
+  }
+
+  .completeButton {
+    font-size: 18px;
+    padding: 10px 20px;
+  }
+
+  .paginationButton {
+    font-size: 12px;
+    padding: 5px 10px;
+    border-radius: 3px;
+    background: rgba(0, 0, 0, 0.1);
+    color: rgba(0, 0, 0, 0.5);
+  }
+
+  .paginationButton:hover,
+  .paginationButton:focus {
+    background: #447592;
+    color: rgba(255, 255, 255, 0.5);
+  }
+
+  .paginationButtonDone {
+    background: #5e8eab;
+    color: rgb(255, 255, 255);
+  }
+
+  .paginationButtonCurrent {
+    height: 2px;
+    width: 100%;
+    background: #4c82a3;
+  }
+
+  .trigger {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    position: relative;
+  }
+
+  .triggerBtn {
+    background: white;
+    color: #434343;
+    padding: 5px 30px;
+    box-shadow: 0px -3px 4px 0 rgb(0, 0, 0, 0.1);
+    position: absolute;
+    top: -25px;
+  }
+}
+
+.actions {
+  background: white;
+  width: 100%;
+  border-radius: 5px;
+  padding: 10px 20px;
+  display: none;
+  flex-direction: column;
+  align-items: center;
+  grid-gap: 15px;
+  box-shadow: 0 -2px 4px 0 rgb(0, 0, 0, 0.1);
+  max-width: 450px;
+
+  &.expanded {
+    display: flex;
+  }
+}
+
+.actionsWrapper {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 20px;
+  flex-grow: 1;
+  width: 100%;
+}
+
+.actionsTop {
+  display: flex;
+  flex-direction: row;
+  grid-gap: 10px;
+  align-items: center;
+}
+
+.actionsTopInfo {
+  flex-grow: 1;
+}
+
+.actionsTopInfoText {
+  font-size: 16px;
+  color: #434343;
+}
+
+.actionsTrigger {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  position: relative;
+}
+
+.inputWrapper {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 10px;
+}
+
+.textInput {
+  height: 100px;
+  background: rgba(0, 0, 0, 0.1);
+  border-radius: 4px;
+  border: solid 2px #4c82a3;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+}
+
+.input {
+  border-radius: 4px;
+  border: solid 1px rgba(0, 0, 0, 0.15);
+  padding: 5px 10px;
+  font-size: 16px;
+  width: 100%;
+  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0) 100%),
+    linear-gradient(white, white);
+}
+
+.input:focus {
+  border: solid 1px rgba(0, 0, 0, 0.15);
+  outline: none;
+  background: linear-gradient(rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.05) 100%),
+    linear-gradient(white, white);
+}
+
+.footerContainer {
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+  align-items: center;
+}
+
+.footer {
+  display: flex;
+  flex-direction: row;
+  grid-gap: 5px;
+  align-items: start;
+  justify-content: center;
+  width: 100%;
+}
+
+.pagination {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 5px;
+}
+
+.finishPage {
+  padding: 1px 0;
+}

src/components/MarkTypeStrategy/MarkInput.tsx

@@ -0,0 +1,16 @@
+import { MarkType } from '../../types/drawing'
+import { MARK_TYPE_CONFIG, MarkInputProps } from './MarkStrategy'
+
+interface MarkInputComponentProps extends MarkInputProps {
+  markType: MarkType
+}
+
+export const MarkInput = ({ markType, ...rest }: MarkInputComponentProps) => {
+  const { input: InputComponent } = MARK_TYPE_CONFIG[markType] || {}
+
+  if (typeof InputComponent !== 'undefined') {
+    return <InputComponent {...rest} />
+  }
+
+  return null
+}

src/components/MarkTypeStrategy/MarkRender.tsx

@@ -0,0 +1,20 @@
+import { MarkType } from '../../types/drawing'
+import { MARK_TYPE_CONFIG, MarkRenderProps } from './MarkStrategy'
+
+interface MarkRenderComponentProps extends MarkRenderProps {
+  markType: MarkType
+}
+
+export const MarkRender = ({ markType, ...rest }: MarkRenderComponentProps) => {
+  const { render: RenderComponent } = MARK_TYPE_CONFIG[markType] || {}
+
+  if (typeof RenderComponent !== 'undefined') {
+    return <RenderComponent {...rest} />
+  }
+
+  return <DefaultRenderComponent {...rest} />
+}
+
+const DefaultRenderComponent = ({ value }: MarkRenderProps) => (
+  <span>{value}</span>
+)

src/components/MarkTypeStrategy/MarkStrategy.tsx

@@ -0,0 +1,32 @@
+import { MarkType } from '../../types/drawing'
+import { CurrentUserMark, Mark } from '../../types/mark'
+import { TextStrategy } from './Text'
+import { SignatureStrategy } from './Signature'
+
+export interface MarkInputProps {
+  value: string
+  handler: (value: string) => void
+  placeholder?: string
+  userMark?: CurrentUserMark
+}
+
+export interface MarkRenderProps {
+  value?: string
+  mark: Mark
+}
+
+export interface MarkStrategy {
+  input: React.FC<MarkInputProps>
+  render: React.FC<MarkRenderProps>
+  encryptAndUpload?: (value: string, key?: string) => Promise<string>
+  fetchAndDecrypt?: (value: string, key?: string) => Promise<string>
+}
+
+export type MarkStrategies = {
+  [key in MarkType]?: MarkStrategy
+}
+
+export const MARK_TYPE_CONFIG: MarkStrategies = {
+  [MarkType.TEXT]: TextStrategy,
+  [MarkType.SIGNATURE]: SignatureStrategy
+}

src/components/MarkTypeStrategy/Signature/Input.module.scss

@@ -0,0 +1,44 @@
+@import '../../../styles/colors.scss';
+
+$padding: 5px;
+
+.wrapper {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  padding: $padding;
+}
+
+.relative {
+  position: relative;
+  outline: 1px solid black;
+}
+
+.canvas {
+  background-color: $body-background-color;
+  cursor: crosshair;
+
+  // Disable panning/zooming when touching canvas element
+  -ms-touch-action: none;
+  touch-action: none;
+  -webkit-user-select: none;
+  user-select: none;
+}
+
+.absolute {
+  position: absolute;
+  inset: 0;
+  pointer-events: none;
+}
+
+.reset {
+  cursor: pointer;
+  position: absolute;
+  top: 0;
+  right: $padding;
+  color: $primary-main;
+
+  &:hover {
+    color: $primary-dark;
+  }
+}

src/components/MarkTypeStrategy/Signature/Input.tsx

@@ -0,0 +1,101 @@
+import { useCallback, useEffect, useRef } from 'react'
+import { faEraser } from '@fortawesome/free-solid-svg-icons'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { MarkRenderSignature } from './Render'
+import SignaturePad from 'signature_pad'
+import { SIGNATURE_PAD_OPTIONS, SIGNATURE_PAD_SIZE } from '../../../utils/const'
+import { BasicPoint } from 'signature_pad/dist/types/point'
+import { MarkInputProps } from '../MarkStrategy'
+import styles from './Input.module.scss'
+
+export const MarkInputSignature = ({
+  value,
+  handler,
+  userMark
+}: MarkInputProps) => {
+  const canvasRef = useRef<HTMLCanvasElement>(null)
+  const signaturePad = useRef<SignaturePad | null>(null)
+
+  const update = useCallback(() => {
+    const data = signaturePad.current?.toData()
+    const reduced = data?.map((pg) => pg.points)
+    const json = JSON.stringify(reduced)
+
+    if (signaturePad.current && !signaturePad.current?.isEmpty()) {
+      handler(json)
+    } else {
+      handler('')
+    }
+  }, [handler])
+
+  useEffect(() => {
+    const handleEndStroke = () => {
+      update()
+    }
+    if (canvasRef.current) {
+      if (signaturePad.current === null) {
+        signaturePad.current = new SignaturePad(
+          canvasRef.current,
+          SIGNATURE_PAD_OPTIONS
+        )
+      }
+
+      signaturePad.current.addEventListener('endStroke', handleEndStroke)
+    }
+
+    return () => {
+      window.removeEventListener('endStroke', handleEndStroke)
+    }
+  }, [update])
+
+  useEffect(() => {
+    if (signaturePad.current) {
+      if (value) {
+        signaturePad.current.fromData(
+          JSON.parse(value).map((p: BasicPoint[]) => ({
+            points: p
+          }))
+        )
+      } else {
+        signaturePad.current?.clear()
+      }
+    }
+    update()
+  }, [update, value])
+
+  const handleReset = () => {
+    signaturePad.current?.clear()
+    update()
+  }
+
+  return (
+    <div className={styles.wrapper}>
+      <div
+        className={styles.relative}
+        style={{
+          width: SIGNATURE_PAD_SIZE.width,
+          height: SIGNATURE_PAD_SIZE.height
+        }}
+      >
+        <canvas
+          width={SIGNATURE_PAD_SIZE.width}
+          height={SIGNATURE_PAD_SIZE.height}
+          ref={canvasRef}
+          className={styles.canvas}
+        ></canvas>
+        {typeof userMark?.mark !== 'undefined' && (
+          <div className={styles.absolute}>
+            <MarkRenderSignature
+              key={userMark.mark.value}
+              value={userMark.mark.value}
+              mark={userMark.mark}
+            />
+          </div>
+        )}
+        <div className={styles.reset}>
+          <FontAwesomeIcon size="sm" icon={faEraser} onClick={handleReset} />
+        </div>
+      </div>
+    </div>
+  )
+}

src/components/MarkTypeStrategy/Signature/Render.module.scss

@@ -0,0 +1,9 @@
+.img {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+  overflow: hidden;
+  pointer-events: none;
+  -webkit-user-select: none;
+  user-select: none;
+}

src/components/MarkTypeStrategy/Signature/Render.tsx

@@ -0,0 +1,27 @@
+import { useEffect, useState } from 'react'
+import SignaturePad from 'signature_pad'
+import { SIGNATURE_PAD_OPTIONS, SIGNATURE_PAD_SIZE } from '../../../utils'
+import { BasicPoint } from 'signature_pad/dist/types/point'
+import { MarkRenderProps } from '../MarkStrategy'
+import styles from './Render.module.scss'
+
+export const MarkRenderSignature = ({ value }: MarkRenderProps) => {
+  const [dataUrl, setDataUrl] = useState<string | undefined>()
+
+  useEffect(() => {
+    if (value) {
+      const canvas = document.createElement('canvas')
+      canvas.width = SIGNATURE_PAD_SIZE.width
+      canvas.height = SIGNATURE_PAD_SIZE.height
+      const pad = new SignaturePad(canvas, SIGNATURE_PAD_OPTIONS)
+      pad.fromData(
+        JSON.parse(value).map((p: BasicPoint[]) => ({
+          points: p
+        }))
+      )
+      setDataUrl(canvas.toDataURL('image/webp'))
+    }
+  }, [value])
+
+  return dataUrl ? <img src={dataUrl} className={styles.img} alt="" /> : null
+}

src/components/MarkTypeStrategy/Signature/index.tsx

@@ -0,0 +1,89 @@
+import axios from 'axios'
+import {
+  decryptArrayBuffer,
+  encryptArrayBuffer,
+  getHash,
+  uploadToFileStorage
+} from '../../../utils'
+import { MarkStrategy } from '../MarkStrategy'
+import { MarkInputSignature } from './Input'
+import { MarkRenderSignature } from './Render'
+
+export const SignatureStrategy: MarkStrategy = {
+  input: MarkInputSignature,
+  render: MarkRenderSignature,
+  encryptAndUpload: async (value, encryptionKey) => {
+    // Value is the stringified signature object
+    // Encode it to the arrayBuffer
+    const encoder = new TextEncoder()
+    const uint8Array = encoder.encode(value)
+
+    if (!encryptionKey) {
+      throw new Error('Signature requires an encryption key')
+    }
+
+    // Encrypt the file contents with the same encryption key from the create signature
+    const encryptedArrayBuffer = await encryptArrayBuffer(
+      uint8Array,
+      encryptionKey
+    )
+
+    const hash = await getHash(encryptedArrayBuffer)
+    if (!hash) {
+      throw new Error("Can't get encrypted file hash.")
+    }
+
+    // Create the encrypted json file from array buffer and hash
+    const file = new File([encryptedArrayBuffer], `${hash}.json`)
+
+    try {
+      const url = await uploadToFileStorage(file)
+      console.info(`${file.name} uploaded to file storage`)
+      return url
+    } catch (error) {
+      if (error instanceof Error) {
+        console.error(
+          `Error occurred in uploading file ${file.name}`,
+          error.message
+        )
+      }
+    }
+
+    return value
+  },
+  fetchAndDecrypt: async (value, encryptionKey) => {
+    if (!encryptionKey) {
+      throw new Error('Signature requires an encryption key')
+    }
+
+    const encryptedArrayBuffer = await axios.get(value, {
+      responseType: 'arraybuffer'
+    })
+
+    // Verify hash
+    const parts = value.split('/')
+    const urlHash = parts[parts.length - 1]
+    const hash = await getHash(encryptedArrayBuffer.data)
+    if (hash !== urlHash) {
+      // TODO: handle hash verification failing
+      throw new Error('Unable to verify signature')
+    }
+
+    const arrayBuffer = await decryptArrayBuffer(
+      encryptedArrayBuffer.data,
+      encryptionKey
+    ).catch((err) => {
+      console.log('err in decryption:>> ', err)
+      return null
+    })
+
+    if (arrayBuffer) {
+      // decode json
+      const decoder = new TextDecoder()
+      const json = decoder.decode(arrayBuffer)
+      return json
+    }
+
+    return value
+  }
+}

src/components/MarkTypeStrategy/Text/Input.tsx

@@ -0,0 +1,19 @@
+import { MarkInputProps } from '../MarkStrategy'
+import styles from '../../MarkFormField/style.module.scss'
+
+export const MarkInputText = ({
+  value,
+  handler,
+  placeholder
+}: MarkInputProps) => {
+  return (
+    <input
+      className={styles.input}
+      placeholder={placeholder}
+      onChange={(e) => {
+        handler(e.currentTarget.value)
+      }}
+      value={value}
+    />
+  )
+}

src/components/MarkTypeStrategy/Text/index.tsx

@@ -0,0 +1,7 @@
+import { MarkStrategy } from '../MarkStrategy'
+import { MarkInputText } from './Input'
+
+export const TextStrategy: MarkStrategy = {
+  input: MarkInputText,
+  render: ({ value }) => <>{value}</>
+}

src/components/PDFView/PdfItem.tsx

@@ -1,35 +1,58 @@
-import { PdfFile } from '../../types/drawing.ts'
-import { CurrentUserMark } from '../../types/mark.ts'
-import PdfPageItem  from './PdfPageItem.tsx';
+import { CurrentUserMark, Mark } from '../../types/mark.ts'
+import { SigitFile } from '../../utils/file.ts'
+import { ExtensionFileBox } from '../ExtensionFileBox.tsx'
+import PdfPageItem from './PdfPageItem.tsx'
 
 interface PdfItemProps {
-  pdfFile: PdfFile
   currentUserMarks: CurrentUserMark[]
   handleMarkClick: (id: number) => void
-  selectedMarkValue: string
+  otherUserMarks: Mark[]
+  file: SigitFile
   selectedMark: CurrentUserMark | null
+  selectedMarkValue: string
 }
 
 /**
  * Responsible for displaying pages of a single Pdf File.
  */
-const PdfItem = ({ pdfFile, currentUserMarks, handleMarkClick, selectedMarkValue, selectedMark }: PdfItemProps) => {
-  const filterByPage = (marks: CurrentUserMark[], page: number): CurrentUserMark[] => {
-    return marks.filter((m) => m.mark.location.page === page);
+const PdfItem = ({
+  file,
+  currentUserMarks,
+  handleMarkClick,
+  selectedMarkValue,
+  selectedMark,
+  otherUserMarks
+}: PdfItemProps) => {
+  const filterByPage = (
+    marks: CurrentUserMark[],
+    page: number
+  ): CurrentUserMark[] => {
+    return marks.filter((m) => m.mark.location.page === page)
   }
-  return (
-    pdfFile.pages.map((page, i) => {
+  const filterMarksByPage = (marks: Mark[], page: number): Mark[] => {
+    return marks.filter((mark) => mark.location.page === page)
+  }
+  if (file.isPdf) {
+    return file.pages?.map((page, i) => {
       return (
         <PdfPageItem
+          fileName={file.name}
+          pageIndex={i}
           page={page}
           key={i}
           currentUserMarks={filterByPage(currentUserMarks, i)}
           handleMarkClick={handleMarkClick}
           selectedMarkValue={selectedMarkValue}
           selectedMark={selectedMark}
+          otherUserMarks={filterMarksByPage(otherUserMarks, i)}
         />
       )
-  }))
+    })
+  } else if (file.isImage) {
+    return <img className="file-image" src={file.objectUrl} alt={file.name} />
+  } else {
+    return <ExtensionFileBox extension={file.extension} />
+  }
 }
 
-export default PdfItem
+export default PdfItem

src/components/PDFView/PdfMarkItem.tsx

@@ -1,37 +1,62 @@
 import { CurrentUserMark } from '../../types/mark.ts'
 import styles from '../DrawPDFFields/style.module.scss'
-import { inPx } from '../../utils/pdf.ts'
+import { FONT_SIZE, FONT_TYPE, inPx } from '../../utils/pdf.ts'
+import { useScale } from '../../hooks/useScale.tsx'
+import { forwardRef } from 'react'
+import { npubToHex } from '../../utils/nostr.ts'
+import { MarkRender } from '../MarkTypeStrategy/MarkRender.tsx'
 
 interface PdfMarkItemProps {
   userMark: CurrentUserMark
   handleMarkClick: (id: number) => void
   selectedMarkValue: string
   selectedMark: CurrentUserMark | null
+  pageWidth: number
 }
 
 /**
  * Responsible for display an individual Pdf Mark.
  */
-const PdfMarkItem = ({ selectedMark, handleMarkClick, selectedMarkValue, userMark }: PdfMarkItemProps) => {
-  const { location } = userMark.mark;
-  const handleClick = () => handleMarkClick(userMark.mark.id);
-  const getMarkValue = () => (
-    selectedMark?.mark.id === userMark.mark.id
-      ? selectedMarkValue
-      : userMark.mark.value
-  )
-  return (
-    <div
-      onClick={handleClick}
-      className={styles.drawingRectangle}
-      style={{
-        left: inPx(location.left),
-        top: inPx(location.top),
-        width: inPx(location.width),
-        height: inPx(location.height)
-      }}
-    >{getMarkValue()}</div>
-  )
-}
+const PdfMarkItem = forwardRef<HTMLDivElement, PdfMarkItemProps>(
+  (
+    { selectedMark, handleMarkClick, selectedMarkValue, userMark, pageWidth },
+    ref
+  ) => {
+    const { location } = userMark.mark
+    const handleClick = () => handleMarkClick(userMark.mark.id)
+    const isEdited = () => selectedMark?.mark.id === userMark.mark.id
+    const getMarkValue = () =>
+      isEdited() ? selectedMarkValue : userMark.currentValue
+    const { from } = useScale()
+    return (
+      <div
+        ref={ref}
+        onClick={handleClick}
+        className={`file-mark ${styles.signingRectangle} ${isEdited() && styles.edited}`}
+        style={{
+          backgroundColor: selectedMark?.mark.npub
+            ? `#${npubToHex(selectedMark?.mark.npub)?.substring(0, 6)}4b`
+            : undefined,
+          outlineColor: selectedMark?.mark.npub
+            ? `#${npubToHex(selectedMark?.mark.npub)?.substring(0, 6)}`
+            : undefined,
+          left: inPx(from(pageWidth, location.left)),
+          top: inPx(from(pageWidth, location.top)),
+          width: inPx(from(pageWidth, location.width)),
+          height: inPx(from(pageWidth, location.height)),
+          fontFamily: FONT_TYPE,
+          fontSize: inPx(from(pageWidth, FONT_SIZE))
+        }}
+      >
+        <MarkRender
+          key={getMarkValue()}
+          markType={userMark.mark.type}
+          value={getMarkValue()}
+          mark={userMark.mark}
+        />
+      </div>
+    )
+  }
+)
 
-export default PdfMarkItem
+export default PdfMarkItem

src/components/PDFView/PdfMarking.tsx

@@ -1,22 +1,34 @@
 import PdfView from './index.tsx'
-import MarkFormField from '../../pages/sign/MarkFormField.tsx'
-import { PdfFile } from '../../types/drawing.ts'
+import MarkFormField from '../MarkFormField'
 import { CurrentUserMark, Mark } from '../../types/mark.ts'
 import React, { useState, useEffect } from 'react'
 import {
-  findNextCurrentUserMark,
-  isCurrentUserMarksComplete,
-  updateCurrentUserMarks,
+  findNextIncompleteCurrentUserMark,
+  getUpdatedMark,
+  updateCurrentUserMarks
 } from '../../utils'
 import { EMPTY } from '../../utils/const.ts'
 import { Container } from '../Container'
-import styles from '../../pages/sign/style.module.scss'
+import signPageStyles from '../../pages/sign/style.module.scss'
+import { CurrentUserFile } from '../../types/file.ts'
+import FileList from '../FileList'
+import { StickySideColumns } from '../../layouts/StickySideColumns.tsx'
+import { UsersDetails } from '../UsersDetails.tsx'
+import { Meta } from '../../types'
+import {
+  faCircleInfo,
+  faFileDownload,
+  faPen
+} from '@fortawesome/free-solid-svg-icons'
 
 interface PdfMarkingProps {
-  files: { pdfFile: PdfFile, filename: string, hash: string | null }[],
-  currentUserMarks: CurrentUserMark[],
-  setIsReadyToSign: (isReadyToSign: boolean) => void,
-  setCurrentUserMarks: (currentUserMarks: CurrentUserMark[]) => void,
+  currentUserMarks: CurrentUserMark[]
+  files: CurrentUserFile[]
+  handleSign: () => void
+  handleSignOffline: () => void
+  meta: Meta | null
+  otherUserMarks: Mark[]
+  setCurrentUserMarks: (currentUserMarks: CurrentUserMark[]) => void
   setUpdatedMarks: (markToUpdate: Mark) => void
 }
 
@@ -26,75 +38,134 @@ interface PdfMarkingProps {
  * @param props
  * @constructor
  */
-const PdfMarking = (props: PdfMarkingProps) => {
-  const {
-    files,
-    currentUserMarks,
-    setIsReadyToSign,
-    setCurrentUserMarks,
-    setUpdatedMarks
-  } = props
+const PdfMarking = ({
+  files,
+  currentUserMarks,
+  setCurrentUserMarks,
+  setUpdatedMarks,
+  handleSign,
+  handleSignOffline,
+  meta,
+  otherUserMarks
+}: PdfMarkingProps) => {
   const [selectedMark, setSelectedMark] = useState<CurrentUserMark | null>(null)
-  const [selectedMarkValue, setSelectedMarkValue] = useState<string>("")
+  const [selectedMarkValue, setSelectedMarkValue] = useState<string>('')
+  const [currentFile, setCurrentFile] = useState<CurrentUserFile | null>(null)
 
   useEffect(() => {
-    setSelectedMark(findNextCurrentUserMark(currentUserMarks) || null)
-  }, [currentUserMarks])
+    if (selectedMark === null && currentUserMarks.length > 0) {
+      setSelectedMark(
+        findNextIncompleteCurrentUserMark(currentUserMarks) ||
+          currentUserMarks[0]
+      )
+    }
+  }, [currentUserMarks, selectedMark])
+
+  useEffect(() => {
+    if (currentFile === null && files.length > 0) {
+      setCurrentFile(files[0])
+    }
+  }, [files, currentFile])
 
   const handleMarkClick = (id: number) => {
-    const nextMark = currentUserMarks.find((mark) => mark.mark.id === id);
-    setSelectedMark(nextMark!);
-    setSelectedMarkValue(nextMark?.mark.value ?? EMPTY);
+    const nextMark = currentUserMarks.find((mark) => mark.mark.id === id)
+
+    if (nextMark) handleCurrentUserMarkChange(nextMark)
   }
 
-  const handleSubmit = (event: React.FormEvent<HTMLFormElement>) => {
-    event.preventDefault();
-    if (!selectedMarkValue || !selectedMark) return;
+  const handleCurrentUserMarkChange = (mark: CurrentUserMark) => {
+    if (!selectedMark) return
+    const updatedSelectedMark: CurrentUserMark = getUpdatedMark(
+      selectedMark,
+      selectedMarkValue
+    )
 
-    const updatedMark: CurrentUserMark = {
-      ...selectedMark,
-      mark: {
-        ...selectedMark.mark,
-        value: selectedMarkValue
-      },
-      isCompleted: true
+    const updatedCurrentUserMarks = updateCurrentUserMarks(
+      currentUserMarks,
+      updatedSelectedMark
+    )
+    setCurrentUserMarks(updatedCurrentUserMarks)
+
+    // If clicking on the same mark, don't update the value, otherwise do update
+    if (mark.id !== selectedMark.id) {
+      setSelectedMarkValue(mark.currentValue ?? EMPTY)
+      setSelectedMark(mark)
+    }
+  }
+
+  /**
+   * Sign and Complete
+   */
+  const handleSubmit = (
+    event: React.MouseEvent<HTMLButtonElement>,
+    type: 'online' | 'offline'
+  ) => {
+    event.preventDefault()
+    if (selectedMarkValue && selectedMark) {
+      const updatedMark: CurrentUserMark = getUpdatedMark(
+        selectedMark,
+        selectedMarkValue
+      )
+
+      setSelectedMarkValue(EMPTY)
+      const updatedCurrentUserMarks = updateCurrentUserMarks(
+        currentUserMarks,
+        updatedMark
+      )
+      setCurrentUserMarks(updatedCurrentUserMarks)
+      setSelectedMark(null)
+      setUpdatedMarks(updatedMark.mark)
     }
 
-    setSelectedMarkValue(EMPTY)
-    const updatedCurrentUserMarks = updateCurrentUserMarks(currentUserMarks, updatedMark);
-    setCurrentUserMarks(updatedCurrentUserMarks)
-    setSelectedMark(findNextCurrentUserMark(updatedCurrentUserMarks) || null)
-    console.log(isCurrentUserMarksComplete(updatedCurrentUserMarks))
-    setIsReadyToSign(isCurrentUserMarksComplete(updatedCurrentUserMarks))
-    setUpdatedMarks(updatedMark.mark)
+    if (type === 'online') handleSign()
+    else if (type === 'offline') handleSignOffline()
   }
 
-  const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => setSelectedMarkValue(event.target.value)
+  const handleChange = (value: string) => {
+    setSelectedMarkValue(value)
+  }
 
   return (
     <>
-      <Container className={styles.container}>
-        {
-          currentUserMarks?.length > 0 && (
-            <PdfView
-              files={files}
-              handleMarkClick={handleMarkClick}
-              selectedMarkValue={selectedMarkValue}
-              selectedMark={selectedMark}
-              currentUserMarks={currentUserMarks}
-            />)}
-        {
-          selectedMark !== null && (
-            <MarkFormField
-              handleSubmit={handleSubmit}
-              handleChange={handleChange}
-              selectedMark={selectedMark}
-              selectedMarkValue={selectedMarkValue}
-            />
-          )}
+      <Container className={signPageStyles.container}>
+        <StickySideColumns
+          left={
+            <div>
+              {currentFile !== null && (
+                <FileList
+                  files={files}
+                  currentFile={currentFile}
+                  setCurrentFile={setCurrentFile}
+                />
+              )}
+            </div>
+          }
+          right={meta !== null && <UsersDetails meta={meta} />}
+          leftIcon={faFileDownload}
+          centerIcon={faPen}
+          rightIcon={faCircleInfo}
+        >
+          <PdfView
+            currentFile={currentFile}
+            files={files}
+            handleMarkClick={handleMarkClick}
+            selectedMarkValue={selectedMarkValue}
+            selectedMark={selectedMark}
+            currentUserMarks={currentUserMarks}
+            otherUserMarks={otherUserMarks}
+          />
+        </StickySideColumns>
+        <MarkFormField
+          handleSubmit={handleSubmit}
+          handleSelectedMarkValueChange={handleChange}
+          selectedMark={selectedMark}
+          selectedMarkValue={selectedMarkValue}
+          currentUserMarks={currentUserMarks}
+          handleCurrentUserMarkChange={handleCurrentUserMarkChange}
+        />
       </Container>
     </>
   )
 }
 
-export default PdfMarking
+export default PdfMarking

src/components/PDFView/PdfPageItem.tsx

@@ -1,46 +1,85 @@
 import styles from '../DrawPDFFields/style.module.scss'
 import { PdfPage } from '../../types/drawing.ts'
-import { CurrentUserMark } from '../../types/mark.ts'
+import { CurrentUserMark, Mark } from '../../types/mark.ts'
 import PdfMarkItem from './PdfMarkItem.tsx'
+import { useEffect, useRef } from 'react'
+import pdfViewStyles from './style.module.scss'
+import { FONT_SIZE, FONT_TYPE, inPx } from '../../utils/pdf.ts'
+import { useScale } from '../../hooks/useScale.tsx'
+import { MarkRender } from '../MarkTypeStrategy/MarkRender.tsx'
 interface PdfPageProps {
-  page: PdfPage
+  fileName: string
+  pageIndex: number
   currentUserMarks: CurrentUserMark[]
   handleMarkClick: (id: number) => void
-  selectedMarkValue: string
+  otherUserMarks: Mark[]
+  page: PdfPage
   selectedMark: CurrentUserMark | null
+  selectedMarkValue: string
 }
 
 /**
  * Responsible for rendering a single Pdf Page and its Marks
  */
-const PdfPageItem = ({ page, currentUserMarks, handleMarkClick, selectedMarkValue, selectedMark }: PdfPageProps) => {
+const PdfPageItem = ({
+  fileName,
+  pageIndex,
+  page,
+  currentUserMarks,
+  handleMarkClick,
+  selectedMarkValue,
+  selectedMark,
+  otherUserMarks
+}: PdfPageProps) => {
+  useEffect(() => {
+    if (selectedMark !== null && !!markRefs.current[selectedMark.id]) {
+      markRefs.current[selectedMark.id]?.scrollIntoView({
+        behavior: 'smooth',
+        block: 'center'
+      })
+    }
+  }, [selectedMark])
+  const markRefs = useRef<(HTMLDivElement | null)[]>([])
+  const { from } = useScale()
+
   return (
-    <div
-      className={styles.pdfImageWrapper}
-      style={{
-        border: '1px solid #c4c4c4',
-        marginBottom: '10px',
-        marginTop: '10px'
-      }}
-    >
+    <div className={`image-wrapper ${styles.pdfImageWrapper}`}>
       <img
         draggable="false"
         src={page.image}
-        style={{ width: '100%'}}
-
+        alt={`page ${pageIndex + 1} of ${fileName}`}
       />
-      {
-        currentUserMarks.map((m, i) => (
-          <PdfMarkItem
-            key={i}
-            handleMarkClick={handleMarkClick}
-            selectedMarkValue={selectedMarkValue}
-            userMark={m}
-            selectedMark={selectedMark}
+      {currentUserMarks.map((m, i) => (
+        <PdfMarkItem
+          key={i}
+          ref={(el) => (markRefs.current[m.id] = el)}
+          handleMarkClick={handleMarkClick}
+          selectedMarkValue={selectedMarkValue}
+          userMark={m}
+          selectedMark={selectedMark}
+          pageWidth={page.width}
         />
       ))}
+      {otherUserMarks.map((m, i) => {
+        return (
+          <div
+            key={i}
+            className={pdfViewStyles.otherUserMarksDisplay}
+            style={{
+              left: inPx(from(page.width, m.location.left)),
+              top: inPx(from(page.width, m.location.top)),
+              width: inPx(from(page.width, m.location.width)),
+              height: inPx(from(page.width, m.location.height)),
+              fontFamily: FONT_TYPE,
+              fontSize: inPx(from(page.width, FONT_SIZE))
+            }}
+          >
+            <MarkRender value={m.value} mark={m} markType={m.type} />
+          </div>
+        )
+      })}
     </div>
   )
 }
 
-export default PdfPageItem
+export default PdfPageItem

src/components/PDFView/index.tsx

@@ -1,42 +1,90 @@
-import { PdfFile } from '../../types/drawing.ts'
-import { Box } from '@mui/material'
 import PdfItem from './PdfItem.tsx'
-import { CurrentUserMark } from '../../types/mark.ts'
+import { CurrentUserMark, Mark } from '../../types/mark.ts'
+import { CurrentUserFile } from '../../types/file.ts'
+import { useEffect, useRef } from 'react'
+import { FileDivider } from '../FileDivider.tsx'
+import React from 'react'
+import { LoadingSpinner } from '../LoadingSpinner/index.tsx'
 
 interface PdfViewProps {
-  files: { pdfFile: PdfFile, filename: string, hash: string | null }[]
+  currentFile: CurrentUserFile | null
   currentUserMarks: CurrentUserMark[]
+  files: CurrentUserFile[]
   handleMarkClick: (id: number) => void
-  selectedMarkValue: string
+  otherUserMarks: Mark[]
   selectedMark: CurrentUserMark | null
+  selectedMarkValue: string
 }
 
 /**
  * Responsible for rendering Pdf files.
  */
-const PdfView = ({ files, currentUserMarks, handleMarkClick, selectedMarkValue, selectedMark }: PdfViewProps) => {
-  const filterByFile = (currentUserMarks: CurrentUserMark[], hash: string): CurrentUserMark[] => {
-    return currentUserMarks.filter((currentUserMark) => currentUserMark.mark.pdfFileHash === hash)
+const PdfView = ({
+  files,
+  currentUserMarks,
+  handleMarkClick,
+  selectedMarkValue,
+  selectedMark,
+  currentFile,
+  otherUserMarks
+}: PdfViewProps) => {
+  const pdfRefs = useRef<(HTMLDivElement | null)[]>([])
+  useEffect(() => {
+    if (currentFile !== null && !!pdfRefs.current[currentFile.id]) {
+      pdfRefs.current[currentFile.id]?.scrollIntoView({ behavior: 'smooth' })
+    }
+  }, [currentFile])
+  const filterByFile = (
+    currentUserMarks: CurrentUserMark[],
+    hash: string
+  ): CurrentUserMark[] => {
+    return currentUserMarks.filter((currentUserMark) =>
+      currentUserMark.mark.pdfFileHash
+        ? currentUserMark.mark.pdfFileHash === hash
+        : currentUserMark.mark.fileHash === hash
+    )
+  }
+  const filterMarksByFile = (marks: Mark[], hash: string): Mark[] => {
+    return marks.filter((mark) =>
+      mark.pdfFileHash ? mark.pdfFileHash === hash : mark.fileHash === hash
+    )
   }
   return (
-    <Box sx={{ width: '100%' }}>
-      {
-        files.map(({ pdfFile, hash }, i) => {
-          if (!hash) return
-          return (
-            <PdfItem
-              pdfFile={pdfFile}
-              key={i}
-              currentUserMarks={filterByFile(currentUserMarks, hash)}
-              selectedMark={selectedMark}
-              handleMarkClick={handleMarkClick}
-              selectedMarkValue={selectedMarkValue}
-          />
-          )
-        })
-      }
-    </Box>
+    <div className="files-wrapper">
+      {files.length > 0 ? (
+        files
+          .map<React.ReactNode>((currentUserFile) => {
+            const { hash, file, id } = currentUserFile
+
+            if (!hash) return
+            return (
+              <div
+                key={`file-${file.name}`}
+                id={file.name}
+                className="file-wrapper"
+                ref={(el) => (pdfRefs.current[id] = el)}
+              >
+                <PdfItem
+                  file={file}
+                  currentUserMarks={filterByFile(currentUserMarks, hash)}
+                  selectedMark={selectedMark}
+                  handleMarkClick={handleMarkClick}
+                  selectedMarkValue={selectedMarkValue}
+                  otherUserMarks={filterMarksByFile(otherUserMarks, hash)}
+                />
+              </div>
+            )
+          })
+          .reduce((prev, curr, i) => [
+            prev,
+            <FileDivider key={`separator-${i}`} />,
+            curr
+          ])
+      ) : (
+        <LoadingSpinner variant="small" />
+      )}
+    </div>
   )
 }
 
-export default PdfView;
+export default PdfView

src/components/PDFView/style.module.scss

@@ -1,16 +1,13 @@
-.imageWrapper {
+.container {
+  display: flex;
+  width: 100%;
+  flex-direction: column;
+}
+
+.otherUserMarksDisplay {
+  position: absolute;
+  z-index: 40;
   display: flex;
   justify-content: center;
   align-items: center;
-  width: 100%; /* Adjust as needed */
-  height: 100%; /* Adjust as needed */
-  overflow: hidden; /* Ensure no overflow */
-  border: 1px solid #ccc; /* Optional: for visual debugging */
-  background-color: #e0f7fa; /* Optional: for visual debugging */
 }
-
-.image {
-  max-width: 100%;
-  max-height: 100%;
-  object-fit: contain; /* Ensure the image fits within the container */
-}

src/components/Select/index.tsx

@@ -0,0 +1,113 @@
+import {
+  FormControl,
+  MenuItem,
+  Select as SelectMui,
+  SelectChangeEvent,
+  styled,
+  SelectProps as SelectMuiProps,
+  MenuItemProps
+} from '@mui/material'
+
+const SelectCustomized = styled(SelectMui)<SelectMuiProps>(() => ({
+  backgroundColor: 'var(--primary-main)',
+  fontSize: '14px',
+  fontWeight: '500',
+  color: 'white',
+  ':hover': {
+    backgroundColor: 'var(--primary-light)'
+  },
+  '& .MuiSelect-select:focus': {
+    backgroundColor: 'var(--primary-light)'
+  },
+  '& .MuiSvgIcon-root': {
+    color: 'white'
+  },
+  '& .MuiOutlinedInput-notchedOutline': {
+    border: 'none'
+  }
+}))
+
+const MenuItemCustomized = styled(MenuItem)<MenuItemProps>(() => ({
+  marginInline: '5px',
+  borderRadius: '4px',
+  '&:hover': {
+    background: 'var(--primary-light)',
+    color: 'white'
+  },
+  '&.Mui-selected': {
+    background: 'var(--primary-dark)',
+    color: 'white'
+  },
+  '&.Mui-selected:hover': {
+    background: 'var(--primary-light)'
+  },
+  '&.Mui-selected.Mui-focusVisible': {
+    background: 'var(--primary-light)',
+    color: 'white'
+  },
+  '&.Mui-focusVisible': {
+    background: 'var(--primary-light)',
+    color: 'white'
+  },
+  '& + *': {
+    marginTop: '5px'
+  }
+}))
+
+interface SelectItemProps<T extends string> {
+  value: T
+  label: string
+}
+
+interface SelectProps<T extends string> {
+  value: T
+  setValue: React.Dispatch<React.SetStateAction<T>>
+  options: SelectItemProps<T>[]
+  name?: string
+  id?: string
+}
+
+export function Select<T extends string>({
+  value,
+  setValue,
+  options,
+  name,
+  id
+}: SelectProps<T>) {
+  const handleChange = (event: SelectChangeEvent<unknown>) => {
+    setValue(event.target.value as T)
+  }
+
+  return (
+    <FormControl>
+      <SelectCustomized
+        id={id}
+        name={name}
+        size="small"
+        variant="outlined"
+        value={value}
+        onChange={handleChange}
+        MenuProps={{
+          MenuListProps: {
+            sx: {
+              paddingBlock: '5px'
+            }
+          },
+          PaperProps: {
+            sx: {
+              boxShadow: '0 0 4px 0 rgb(0, 0, 0, 0.1)'
+            }
+          }
+        }}
+      >
+        {options.map((o) => {
+          return (
+            <MenuItemCustomized key={o.label} value={o.value as string}>
+              {o.label}
+            </MenuItemCustomized>
+          )
+        })}
+      </SelectCustomized>
+    </FormControl>
+  )
+}

src/components/Spinner/index.tsx

@@ -0,0 +1,6 @@
+import { PropsWithChildren } from 'react'
+import styles from './style.module.scss'
+
+export const Spinner = ({ children }: PropsWithChildren) => (
+  <div className={styles.spin}>{children}</div>
+)

src/components/Spinner/style.module.scss

@@ -0,0 +1,12 @@
+.spin {
+  animation: spin 5s linear infinite;
+}
+
+@keyframes spin {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}

src/components/TooltipChild.tsx

@@ -0,0 +1,16 @@
+import { forwardRef, PropsWithChildren } from 'react'
+
+/**
+ * Helper wrapper for custom child components when using `@mui/material/tooltips`.
+ * Mui Tooltip works out-the-box with other `@mui` components but when using custom they require ref.
+ * @source https://mui.com/material-ui/react-tooltip/#custom-child-element
+ */
+export const TooltipChild = forwardRef<HTMLSpanElement, PropsWithChildren>(
+  ({ children, ...rest }, ref) => {
+    return (
+      <span ref={ref} {...rest}>
+        {children}
+      </span>
+    )
+  }
+)

src/components/UserAvatar/index.tsx

@@ -1,42 +1,58 @@
-import { useNavigate } from 'react-router-dom'
 import { getProfileRoute } from '../../routes'
 
 import styles from './styles.module.scss'
-import React from 'react'
 import { AvatarIconButton } from '../UserAvatarIconButton'
+import { Link } from 'react-router-dom'
+import { useProfileMetadata } from '../../hooks/useProfileMetadata'
+import { Tooltip } from '@mui/material'
+import { getProfileUsername } from '../../utils'
+import { TooltipChild } from '../TooltipChild'
 
 interface UserAvatarProps {
-  name: string
   pubkey: string
-  image?: string
+  isNameVisible?: boolean
 }
 
 /**
  *  This component will be used for the displaying username and profile picture.
  *  Clicking will navigate to the user's profile.
  */
-export const UserAvatar = ({ pubkey, name, image }: UserAvatarProps) => {
-  const navigate = useNavigate()
-
-  const handleClick = (e: React.MouseEvent<HTMLElement, MouseEvent>) => {
-    e.stopPropagation()
-    navigate(getProfileRoute(pubkey))
-  }
+export const UserAvatar = ({
+  pubkey,
+  isNameVisible = false
+}: UserAvatarProps) => {
+  const profile = useProfileMetadata(pubkey)
+  const name = getProfileUsername(pubkey, profile)
+  const image = profile?.image
 
   return (
-    <div className={styles.container}>
-      <AvatarIconButton
-        src={image}
-        hexKey={pubkey}
-        aria-label={`account of user ${name}`}
-        color="inherit"
-        onClick={handleClick}
-      />
-      {name ? (
-        <label onClick={handleClick} className={styles.username}>
-          {name}
-        </label>
+    <Link
+      to={getProfileRoute(pubkey)}
+      className={styles.container}
+      tabIndex={-1}
+    >
+      <Tooltip
+        key={pubkey}
+        title={name}
+        placement="top"
+        arrow
+        disableInteractive
+      >
+        <TooltipChild>
+          <AvatarIconButton
+            src={image}
+            hexKey={pubkey}
+            aria-label={`account of user ${name}`}
+            color="inherit"
+            sx={{
+              padding: 0
+            }}
+          />
+        </TooltipChild>
+      </Tooltip>
+      {isNameVisible && name ? (
+        <span className={styles.username}>{name}</span>
       ) : null}
-    </div>
+    </Link>
   )
 }

src/components/UserAvatar/styles.module.scss

@@ -2,7 +2,7 @@
   display: flex;
   align-items: center;
   gap: 10px;
-  flex-grow: 1;
+  // flex-grow: 1;
 }
 
 .username {
@@ -10,4 +10,8 @@
   font-weight: 500;
   font-size: 14px;
   color: var(--text-color);
+
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  overflow: hidden;
 }

src/components/UserAvatarGroup/index.tsx

@@ -0,0 +1,38 @@
+import { Children, PropsWithChildren } from 'react'
+
+import styles from './style.module.scss'
+
+interface UserAvatarGroupProps extends React.HTMLAttributes<HTMLDivElement> {
+  max: number
+  renderSurplus?: ((surplus: number) => React.ReactNode) | undefined
+}
+
+const defaultSurplus = (surplus: number) => {
+  return <span className={styles.icon}>+{surplus}</span>
+}
+
+/**
+ * Renders children with the `max` limit (including surplus if available).
+ * The children are wrapped with a `div` (accepts standard `HTMLDivElement` attributes)
+ * @param max The maximum number of children rendered in a div.
+ * @param renderSurplus Custom render for surplus children (accepts surplus number).
+ */
+export const UserAvatarGroup = ({
+  max,
+  renderSurplus = defaultSurplus,
+  children,
+  ...rest
+}: PropsWithChildren<UserAvatarGroupProps>) => {
+  const total = Children.count(children)
+  const surplus = total - max + 1
+
+  const childrenArray = Children.toArray(children)
+  return (
+    <div className={styles.container} {...rest}>
+      {surplus > 1
+        ? childrenArray.slice(0, surplus * -1).map((c) => c)
+        : children}
+      {surplus > 1 && renderSurplus(surplus)}
+    </div>
+  )
+}

src/components/UserAvatarGroup/style.module.scss

@@ -0,0 +1,39 @@
+@import '../../styles/colors.scss';
+
+.container {
+  padding: 0 0 0 10px;
+
+  > * {
+    transition: margin ease 0.2s;
+    margin: 0 0 0 -10px;
+    position: relative;
+    z-index: 1;
+    &:first-child {
+      margin-left: -10px !important;
+    }
+  }
+
+  > *:hover,
+  > *:focus-within {
+    margin: 0 15px 0 5px;
+    z-index: 2;
+  }
+}
+
+.icon {
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  border-width: 2px;
+  overflow: hidden;
+
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+
+  background: white;
+  color: rgba(0, 0, 0, 0.5);
+  font-weight: bold;
+  font-size: 14px;
+  border: solid 2px $primary-main;
+}

src/components/UserAvatarIconButton/style.module.scss

@@ -2,6 +2,6 @@
   width: 40px;
   height: 40px;
   border-radius: 50%;
-  border-width: 3px;
+  border-width: 2px;
   overflow: hidden;
 }

src/components/UsersDetails.tsx/index.tsx

@@ -0,0 +1,276 @@
+import { Divider, Tooltip } from '@mui/material'
+import {
+  formatTimestamp,
+  fromUnixTimestamp,
+  hexToNpub,
+  npubToHex,
+  SigitStatus,
+  SignStatus
+} from '../../utils'
+import { useSigitMeta } from '../../hooks/useSigitMeta'
+import { UserAvatarGroup } from '../UserAvatarGroup'
+
+import styles from './style.module.scss'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import {
+  faCalendar,
+  faCalendarCheck,
+  faCalendarPlus,
+  faCheck,
+  faClock,
+  faEye,
+  faFile,
+  faFileCircleExclamation
+} from '@fortawesome/free-solid-svg-icons'
+import { getExtensionIconLabel } from '../getExtensionIconLabel'
+import { useAppSelector } from '../../hooks/store'
+import { DisplaySigner } from '../DisplaySigner'
+import { Meta, OpenTimestamp } from '../../types'
+import { extractFileExtensions } from '../../utils/file'
+import { UserAvatar } from '../UserAvatar'
+
+interface UsersDetailsProps {
+  meta: Meta
+}
+
+export const UsersDetails = ({ meta }: UsersDetailsProps) => {
+  const {
+    submittedBy,
+    exportedBy,
+    signers,
+    viewers,
+    fileHashes,
+    signersStatus,
+    createdAt,
+    completedAt,
+    parsedSignatureEvents,
+    signedStatus,
+    isValid,
+    id,
+    timestamps
+  } = useSigitMeta(meta)
+  const { usersPubkey } = useAppSelector((state) => state.auth)
+  const userCanSign =
+    typeof usersPubkey !== 'undefined' &&
+    signers.includes(hexToNpub(usersPubkey))
+
+  const { extensions, isSame } = extractFileExtensions(Object.keys(fileHashes))
+
+  const isTimestampVerified = (
+    timestamps: OpenTimestamp[],
+    nostrId: string
+  ): boolean => {
+    const matched = timestamps.find((t) => t.nostrId === nostrId)
+    return !!(matched && matched.verification)
+  }
+
+  const getOpenTimestampsInfo = (
+    timestamps: OpenTimestamp[],
+    nostrId: string
+  ) => {
+    if (isTimestampVerified(timestamps, nostrId)) {
+      return <FontAwesomeIcon className={styles.ticket} icon={faCheck} />
+    } else {
+      return <FontAwesomeIcon className={styles.ticket} icon={faClock} />
+    }
+  }
+
+  const getCompletedOpenTimestampsInfo = (timestamp: OpenTimestamp) => {
+    if (timestamp.verification) {
+      return <FontAwesomeIcon className={styles.ticket} icon={faCheck} />
+    } else {
+      return <FontAwesomeIcon className={styles.ticket} icon={faClock} />
+    }
+  }
+
+  const getTimestampTooltipTitle = (label: string, isVerified: boolean) => {
+    return `${label} / Open Timestamp ${isVerified ? 'Verified' : 'Pending'}`
+  }
+
+  const isUserSignatureTimestampVerified = () => {
+    if (
+      userCanSign &&
+      hexToNpub(usersPubkey) in parsedSignatureEvents &&
+      timestamps &&
+      timestamps.length > 0
+    ) {
+      const nostrId = parsedSignatureEvents[hexToNpub(usersPubkey)].id
+      return isTimestampVerified(timestamps, nostrId)
+    }
+    return false
+  }
+
+  return submittedBy ? (
+    <div className={styles.container}>
+      <div className={styles.section}>
+        <p>Signers</p>
+        <div className={styles.users}>
+          {submittedBy && (
+            <DisplaySigner
+              status={isValid ? SignStatus.Signed : SignStatus.Invalid}
+              pubkey={submittedBy}
+            />
+          )}
+
+          {submittedBy && signers.length ? (
+            <Divider orientation="vertical" flexItem />
+          ) : null}
+
+          <UserAvatarGroup max={20}>
+            {signers.map((signer) => {
+              const pubkey = npubToHex(signer)!
+              return (
+                <DisplaySigner
+                  key={pubkey}
+                  status={signersStatus[signer]}
+                  pubkey={pubkey}
+                />
+              )
+            })}
+          </UserAvatarGroup>
+        </div>
+
+        {viewers.length > 0 && (
+          <>
+            <p>Viewers</p>
+            <div className={styles.users}>
+              <UserAvatarGroup max={20}>
+                {viewers.map((signer) => {
+                  const pubkey = npubToHex(signer)!
+
+                  return (
+                    <DisplaySigner
+                      key={pubkey}
+                      status={SignStatus.Viewer}
+                      pubkey={pubkey}
+                    />
+                  )
+                })}
+              </UserAvatarGroup>
+            </div>
+          </>
+        )}
+
+        {exportedBy && (
+          <>
+            <p>Exported By</p>
+            <div className={styles.users}>
+              <UserAvatar pubkey={exportedBy} />
+            </div>
+          </>
+        )}
+      </div>
+      <div className={styles.section}>
+        <p>Details</p>
+
+        <Tooltip
+          title={getTimestampTooltipTitle(
+            'Publication date',
+            !!(timestamps && id && isTimestampVerified(timestamps, id))
+          )}
+          placement="top"
+          arrow
+          disableInteractive
+        >
+          <span className={styles.detailsItem}>
+            <FontAwesomeIcon icon={faCalendarPlus} />{' '}
+            {createdAt ? formatTimestamp(createdAt) : <>&mdash;</>}{' '}
+            {timestamps &&
+              timestamps.length > 0 &&
+              id &&
+              getOpenTimestampsInfo(timestamps, id)}
+          </span>
+        </Tooltip>
+
+        <Tooltip
+          title={getTimestampTooltipTitle(
+            'Completion date',
+            !!(
+              signedStatus === SigitStatus.Complete &&
+              completedAt &&
+              timestamps &&
+              timestamps.length > 0 &&
+              timestamps[timestamps.length - 1].verification
+            )
+          )}
+          placement="top"
+          arrow
+          disableInteractive
+        >
+          <span className={styles.detailsItem}>
+            <FontAwesomeIcon icon={faCalendarCheck} />{' '}
+            {completedAt ? formatTimestamp(completedAt) : <>&mdash;</>}
+            {signedStatus === SigitStatus.Complete &&
+              completedAt &&
+              timestamps &&
+              timestamps.length > 0 && (
+                <span className={styles.ticket}>
+                  {getCompletedOpenTimestampsInfo(
+                    timestamps[timestamps.length - 1]
+                  )}
+                </span>
+              )}
+          </span>
+        </Tooltip>
+
+        {/* User signed date */}
+        {userCanSign ? (
+          <Tooltip
+            title={getTimestampTooltipTitle(
+              'Your signature date',
+              isUserSignatureTimestampVerified()
+            )}
+            placement="top"
+            arrow
+            disableInteractive
+          >
+            <span className={styles.detailsItem}>
+              <FontAwesomeIcon icon={faCalendar} />{' '}
+              {hexToNpub(usersPubkey) in parsedSignatureEvents ? (
+                parsedSignatureEvents[hexToNpub(usersPubkey)].created_at ? (
+                  formatTimestamp(
+                    fromUnixTimestamp(
+                      parsedSignatureEvents[hexToNpub(usersPubkey)].created_at
+                    )
+                  )
+                ) : (
+                  <>&mdash;</>
+                )
+              ) : (
+                <>&mdash;</>
+              )}
+              {hexToNpub(usersPubkey) in parsedSignatureEvents &&
+                timestamps &&
+                timestamps.length > 0 && (
+                  <span className={styles.ticket}>
+                    {getOpenTimestampsInfo(
+                      timestamps,
+                      parsedSignatureEvents[hexToNpub(usersPubkey)].id
+                    )}
+                  </span>
+                )}
+            </span>
+          </Tooltip>
+        ) : null}
+        <span className={styles.detailsItem}>
+          <FontAwesomeIcon icon={faEye} /> {signedStatus}
+        </span>
+        {extensions.length > 0 ? (
+          <span className={styles.detailsItem}>
+            {!isSame ? (
+              <>
+                <FontAwesomeIcon icon={faFile} /> Multiple File Types
+              </>
+            ) : (
+              getExtensionIconLabel(extensions[0])
+            )}
+          </span>
+        ) : (
+          <>
+            <FontAwesomeIcon icon={faFileCircleExclamation} /> &mdash;
+          </>
+        )}
+      </div>
+    </div>
+  ) : undefined
+}

src/components/UsersDetails.tsx/style.module.scss

@@ -0,0 +1,48 @@
+@import '../../styles/colors.scss';
+
+.container {
+  border-radius: 4px;
+  background: $overlay-background-color;
+  padding: 15px;
+  display: flex;
+  flex-direction: column;
+  grid-gap: 25px;
+
+  font-size: 14px;
+}
+
+.section {
+  display: flex;
+  flex-direction: column;
+  grid-gap: 10px;
+}
+
+.users {
+  display: flex;
+  grid-gap: 10px;
+}
+
+.detailsItem {
+  transition: ease 0.2s;
+  color: rgba(0, 0, 0, 0.5);
+  font-size: 14px;
+  align-items: center;
+  border-radius: 4px;
+  padding: 5px;
+
+  display: flex;
+
+  > :first-child {
+    padding: 5px;
+    margin-right: 10px;
+  }
+
+  &:hover {
+    background: $primary-main;
+    color: white;
+  }
+}
+
+.ticket {
+  margin-left: auto;
+}

src/components/getExtensionIconLabel.tsx

@@ -0,0 +1,78 @@
+import {
+  faFilePdf,
+  faFileExcel,
+  faFileWord,
+  faFilePowerpoint,
+  faFileZipper,
+  faFileCsv,
+  faFileLines,
+  faFileImage,
+  faFile,
+  IconDefinition
+} from '@fortawesome/free-solid-svg-icons'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+
+export const getExtensionIconLabel = (extension: string) => {
+  let icon: IconDefinition
+  switch (extension.toLowerCase()) {
+    case 'pdf':
+      icon = faFilePdf
+      break
+    case 'json':
+      icon = faFilePdf
+      break
+
+    case 'xlsx':
+    case 'xls':
+    case 'xlsb':
+    case 'xlsm':
+      icon = faFileExcel
+      break
+
+    case 'doc':
+    case 'docx':
+      icon = faFileWord
+      break
+
+    case 'ppt':
+    case 'pptx':
+      icon = faFilePowerpoint
+      break
+
+    case 'zip':
+    case '7z':
+    case 'rar':
+    case 'tar':
+    case 'gz':
+      icon = faFileZipper
+      break
+
+    case 'csv':
+      icon = faFileCsv
+      break
+
+    case 'txt':
+      icon = faFileLines
+      break
+
+    case 'png':
+    case 'jpg':
+    case 'jpeg':
+    case 'gif':
+    case 'svg':
+    case 'bmp':
+    case 'ico':
+      icon = faFileImage
+      break
+
+    default:
+      icon = faFile
+      return
+  }
+
+  return (
+    <>
+      <FontAwesomeIcon icon={icon} /> {extension.toUpperCase()}
+    </>
+  )
+}

src/components/username.tsx

@@ -1,6 +1,5 @@
 import { Typography } from '@mui/material'
-import { useSelector } from 'react-redux'
-import { State } from '../store/rootReducer'
+import { useAppSelector } from '../hooks/store'
 
 import styles from './username.module.scss'
 import { AvatarIconButton } from './UserAvatarIconButton'
@@ -16,7 +15,7 @@ type Props = {
  *  Clicking will open the menu.
  */
 const Username = ({ username, avatarContent, handleClick }: Props) => {
-  const hexKey = useSelector((state: State) => state.auth.usersPubkey)
+  const hexKey = useAppSelector((state) => state.auth.usersPubkey)
 
   return (
     <div className={styles.container}>

src/contexts/NDKContext.tsx

@@ -0,0 +1,299 @@
+import NDK, {
+  getRelayListForUser,
+  Hexpubkey,
+  NDKEvent,
+  NDKFilter,
+  NDKRelayList,
+  NDKRelaySet,
+  NDKSubscriptionCacheUsage,
+  NDKSubscriptionOptions,
+  NDKUser,
+  NDKUserProfile
+} from '@nostr-dev-kit/ndk'
+
+import NDKCacheAdapterDexie from '@nostr-dev-kit/ndk-cache-dexie'
+
+import { Dexie } from 'dexie'
+import { createContext, ReactNode, useEffect, useMemo } from 'react'
+import { toast } from 'react-toastify'
+import { UserRelaysType } from '../types'
+import {
+  DEFAULT_LOOK_UP_RELAY_LIST,
+  hexToNpub,
+  orderEventsChronologically,
+  SIGIT_RELAY,
+  timeout
+} from '../utils'
+
+export interface NDKContextType {
+  ndk: NDK
+  fetchEvents: (
+    filter: NDKFilter,
+    opts?: NDKSubscriptionOptions
+  ) => Promise<NDKEvent[]>
+  fetchEvent: (
+    filter: NDKFilter,
+    opts?: NDKSubscriptionOptions
+  ) => Promise<NDKEvent | null>
+  fetchEventsFromUserRelays: (
+    filter: NDKFilter | NDKFilter[],
+    hexKey: string,
+    userRelaysType: UserRelaysType,
+    opts?: NDKSubscriptionOptions
+  ) => Promise<NDKEvent[]>
+  fetchEventFromUserRelays: (
+    filter: NDKFilter | NDKFilter[],
+    hexKey: string,
+    userRelaysType: UserRelaysType,
+    opts?: NDKSubscriptionOptions
+  ) => Promise<NDKEvent | null>
+  findMetadata: (
+    pubkey: string,
+    opts?: NDKSubscriptionOptions
+  ) => Promise<NDKUserProfile | null>
+  getNDKRelayList: (pubkey: Hexpubkey) => Promise<NDKRelayList>
+  publish: (event: NDKEvent, explicitRelayUrls?: string[]) => Promise<string[]>
+}
+
+// Create the context with an initial value of `null`
+export const NDKContext = createContext<NDKContextType | null>(null)
+
+// Create a provider component to wrap around parts of your app
+export const NDKContextProvider = ({ children }: { children: ReactNode }) => {
+  useEffect(() => {
+    window.onunhandledrejection = async (event: PromiseRejectionEvent) => {
+      event.preventDefault()
+      if (event.reason?.name === Dexie.errnames.DatabaseClosed) {
+        console.log(
+          'Could not open Dexie DB, probably version change. Deleting old DB and reloading...'
+        )
+        await Dexie.delete('degmod-db')
+        // Must reload to open a brand new DB
+        window.location.reload()
+      }
+    }
+  }, [])
+
+  const ndk = useMemo(() => {
+    if (import.meta.env.MODE === 'development') {
+      localStorage.setItem('debug', '*')
+    }
+    const dexieAdapter = new NDKCacheAdapterDexie({ dbName: 'sigit-db' })
+    dexieAdapter.locking = true
+    const ndk = new NDK({
+      enableOutboxModel: true,
+      autoConnectUserRelays: true,
+      autoFetchUserMutelist: true,
+      explicitRelayUrls: [...DEFAULT_LOOK_UP_RELAY_LIST],
+      cacheAdapter: dexieAdapter
+    })
+    ndk.connect()
+
+    return ndk
+  }, [])
+
+  /**
+   * Asynchronously retrieves multiple event based on a provided filter.
+   *
+   * @param filter - The filter criteria to find the event.
+   * @returns  Returns a promise that resolves to the found event or null if not found.
+   */
+  const fetchEvents = async (
+    filter: NDKFilter,
+    opts?: NDKSubscriptionOptions
+  ): Promise<NDKEvent[]> => {
+    return ndk
+      .fetchEvents(filter, {
+        closeOnEose: true,
+        cacheUsage: NDKSubscriptionCacheUsage.PARALLEL,
+        ...opts
+      })
+      .then((ndkEventSet) => {
+        const ndkEvents = Array.from(ndkEventSet)
+        return orderEventsChronologically(ndkEvents)
+      })
+      .catch((err) => {
+        // Log the error and show a notification if fetching fails
+        console.error('An error occurred in fetching events', err)
+        toast.error('An error occurred in fetching events') // Show error notification
+        return [] // Return an empty array in case of an error
+      })
+  }
+
+  /**
+   * Asynchronously retrieves an event based on a provided filter.
+   *
+   * @param filter - The filter criteria to find the event.
+   * @returns  Returns a promise that resolves to the found event or null if not found.
+   */
+  const fetchEvent = async (
+    filter: NDKFilter,
+    opts?: NDKSubscriptionOptions
+  ) => {
+    const events = await fetchEvents(filter, opts)
+    if (events.length === 0) return null
+    return events[0]
+  }
+
+  /**
+   * Asynchronously retrieves multiple events from the user's relays based on a specified filter.
+   * The function first retrieves the user's relays, and then fetches the events using the provided filter.
+   *
+   * @param filter - The event filter to use when fetching the event (e.g., kinds, authors).
+   * @param hexKey - The hexadecimal representation of the user's public key.
+   * @param userRelaysType - The type of relays to search (e.g., write, read).
+   * @returns  A promise that resolves with an array of events.
+   */
+  const fetchEventsFromUserRelays = async (
+    filter: NDKFilter | NDKFilter[],
+    hexKey: string,
+    userRelaysType: UserRelaysType,
+    opts?: NDKSubscriptionOptions
+  ): Promise<NDKEvent[]> => {
+    // Find the user's relays (10s timeout).
+    const relayUrls = await Promise.race([
+      getRelayListForUser(hexKey, ndk),
+      timeout(3000)
+    ])
+      .then((ndkRelayList) => {
+        if (ndkRelayList) return ndkRelayList[userRelaysType]
+        return [] // Return an empty array if ndkRelayList is undefined
+      })
+      .catch((err) => {
+        console.error(
+          `An error occurred in fetching user's (${hexKey}) ${userRelaysType}`,
+          err
+        )
+        return [] as string[]
+      })
+
+    if (!relayUrls.includes(SIGIT_RELAY)) {
+      relayUrls.push(SIGIT_RELAY)
+    }
+
+    return ndk
+      .fetchEvents(
+        filter,
+        {
+          closeOnEose: true,
+          cacheUsage: NDKSubscriptionCacheUsage.PARALLEL,
+          ...opts
+        },
+        relayUrls.length
+          ? NDKRelaySet.fromRelayUrls(relayUrls, ndk, true)
+          : undefined
+      )
+      .then((ndkEventSet) => {
+        const ndkEvents = Array.from(ndkEventSet)
+        return orderEventsChronologically(ndkEvents)
+      })
+      .catch((err) => {
+        // Log the error and show a notification if fetching fails
+        console.error('An error occurred in fetching events', err)
+        toast.error('An error occurred in fetching events') // Show error notification
+        return [] // Return an empty array in case of an error
+      })
+  }
+
+  /**
+   * Fetches an event from the user's relays based on a specified filter.
+   * The function first retrieves the user's relays, and then fetches the event using the provided filter.
+   *
+   * @param filter - The event filter to use when fetching the event (e.g., kinds, authors).
+   * @param hexKey - The hexadecimal representation of the user's public key.
+   * @param userRelaysType - The type of relays to search (e.g., write, read).
+   * @returns  A promise that resolves to the fetched event or null if the operation fails.
+   */
+  const fetchEventFromUserRelays = async (
+    filter: NDKFilter | NDKFilter[],
+    hexKey: string,
+    userRelaysType: UserRelaysType,
+    opts?: NDKSubscriptionOptions
+  ) => {
+    const events = await fetchEventsFromUserRelays(
+      filter,
+      hexKey,
+      userRelaysType,
+      opts
+    )
+    if (events.length === 0) return null
+    return events[0]
+  }
+
+  /**
+   * Finds metadata for a given pubkey.
+   *
+   * @param hexKey - The pubkey to search for metadata.
+   * @returns A promise that resolves to the metadata event.
+   */
+  const findMetadata = async (
+    pubkey: string,
+    opts?: NDKSubscriptionOptions
+  ): Promise<NDKUserProfile | null> => {
+    const npub = hexToNpub(pubkey)
+
+    const user = new NDKUser({ npub })
+    user.ndk = ndk
+
+    return await user.fetchProfile({
+      cacheUsage: NDKSubscriptionCacheUsage.PARALLEL,
+      ...(opts || {})
+    })
+  }
+
+  const getNDKRelayList = async (pubkey: Hexpubkey) => {
+    const ndkRelayList = await Promise.race([
+      getRelayListForUser(pubkey, ndk),
+      timeout(10000)
+    ]).catch(() => {
+      const relayList = new NDKRelayList(ndk)
+      relayList.bothRelayUrls = [SIGIT_RELAY]
+      return relayList
+    })
+
+    return ndkRelayList
+  }
+
+  const publish = async (
+    event: NDKEvent,
+    explicitRelayUrls?: string[]
+  ): Promise<string[]> => {
+    if (!event.sig) throw new Error('Before publishing first sign the event!')
+
+    let ndkRelaySet: NDKRelaySet | undefined
+
+    if (explicitRelayUrls && explicitRelayUrls.length > 0) {
+      if (!explicitRelayUrls.includes(SIGIT_RELAY)) {
+        explicitRelayUrls = [...explicitRelayUrls, SIGIT_RELAY]
+      }
+      ndkRelaySet = NDKRelaySet.fromRelayUrls(explicitRelayUrls, ndk)
+    }
+
+    return await Promise.race([event.publish(ndkRelaySet), timeout(3000)])
+      .then((res) => {
+        const relaysPublishedOn = Array.from(res)
+        return relaysPublishedOn.map((relay) => relay.url)
+      })
+      .catch((err) => {
+        console.error(`An error occurred in publishing event`, err)
+        return []
+      })
+  }
+
+  return (
+    <NDKContext.Provider
+      value={{
+        ndk,
+        fetchEvents,
+        fetchEvent,
+        fetchEventsFromUserRelays,
+        fetchEventFromUserRelays,
+        findMetadata,
+        getNDKRelayList,
+        publish
+      }}
+    >
+      {children}
+    </NDKContext.Provider>
+  )
+}

src/controllers/AuthController.ts

@@ -1,137 +0,0 @@
-import { EventTemplate } from 'nostr-tools'
-import { MetadataController, NostrController } from '.'
-import {
-  setAuthState,
-  setMetadataEvent,
-  setRelayMapAction
-} from '../store/actions'
-import store from '../store/store'
-import {
-  base64DecodeAuthToken,
-  base64EncodeSignedEvent,
-  getAuthToken,
-  getVisitedLink,
-  saveAuthToken,
-  compareObjects
-} from '../utils'
-import { appPrivateRoutes } from '../routes'
-import { SignedEvent } from '../types'
-
-export class AuthController {
-  private nostrController: NostrController
-  private metadataController: MetadataController
-
-  constructor() {
-    this.nostrController = NostrController.getInstance()
-    this.metadataController = new MetadataController()
-  }
-
-  /**
-   * Function will authenticate user by signing an auth event
-   * which is done by calling the sign() function, where appropriate
-   * method will be chosen (extension, nsecbunker or keys)
-   *
-   * @param pubkey of the user trying to login
-   * @returns url to redirect if authentication successfull
-   * or error if otherwise
-   */
-  async authAndGetMetadataAndRelaysMap(pubkey: string) {
-    const emptyMetadata = this.metadataController.getEmptyMetadataEvent()
-
-    this.metadataController
-      .findMetadata(pubkey)
-      .then((event) => {
-        if (event) {
-          store.dispatch(setMetadataEvent(event))
-        } else {
-          store.dispatch(setMetadataEvent(emptyMetadata))
-        }
-      })
-      .catch((err) => {
-        console.warn('Error occurred while finding metadata', err)
-
-        store.dispatch(setMetadataEvent(emptyMetadata))
-      })
-
-    // Nostr uses unix timestamps
-    const timestamp = Math.floor(Date.now() / 1000)
-    const { hostname } = window.location
-
-    const authEvent: EventTemplate = {
-      kind: 27235,
-      tags: [],
-      content: `${hostname}-${timestamp}`,
-      created_at: timestamp
-    }
-
-    const signedAuthEvent = await this.nostrController.signEvent(authEvent)
-    this.createAndSaveAuthToken(signedAuthEvent)
-
-    store.dispatch(
-      setAuthState({
-        loggedIn: true,
-        usersPubkey: pubkey
-      })
-    )
-
-    const relayMap = await this.nostrController.getRelayMap(pubkey)
-
-    if (Object.keys(relayMap).length < 1) {
-      // Navigate user to relays page if relay map is empty
-      return Promise.resolve(appPrivateRoutes.relays)
-    }
-
-    if (store.getState().auth?.loggedIn) {
-      if (!compareObjects(store.getState().relays?.map, relayMap.map))
-        store.dispatch(setRelayMapAction(relayMap.map))
-    }
-
-    const currentLocation = window.location.hash.replace('#', '')
-
-    if (!Object.values(appPrivateRoutes).includes(currentLocation)) {
-      // User did change the location to one of the private routes
-      const visitedLink = getVisitedLink()
-
-      if (visitedLink) {
-        const { pathname, search } = visitedLink
-
-        return Promise.resolve(`${pathname}${search}`)
-      } else {
-        // Navigate user in
-        return Promise.resolve(appPrivateRoutes.homePage)
-      }
-    }
-  }
-
-  checkSession() {
-    const savedAuthToken = getAuthToken()
-
-    if (savedAuthToken) {
-      const signedEvent = base64DecodeAuthToken(savedAuthToken)
-
-      store.dispatch(
-        setAuthState({
-          loggedIn: true,
-          usersPubkey: signedEvent.pubkey
-        })
-      )
-
-      return
-    }
-
-    store.dispatch(
-      setAuthState({
-        loggedIn: false,
-        usersPubkey: undefined
-      })
-    )
-  }
-
-  private createAndSaveAuthToken(signedAuthEvent: SignedEvent) {
-    const base64Encoded = base64EncodeSignedEvent(signedAuthEvent)
-
-    // save newly created auth token (base64 nostr singed event) in local storage along with expiry time
-    saveAuthToken(base64Encoded)
-    return base64Encoded
-  }
-}

src/controllers/MetadataController.ts

@@ -1,422 +0,0 @@
-import {
-  Filter,
-  SimplePool,
-  VerifiedEvent,
-  kinds,
-  validateEvent,
-  verifyEvent,
-  Event,
-  EventTemplate,
-  nip19
-} from 'nostr-tools'
-import { NostrJoiningBlock, ProfileMetadata, RelaySet } from '../types'
-import { NostrController } from '.'
-import { toast } from 'react-toastify'
-import { queryNip05 } from '../utils'
-import NDK, { NDKEvent, NDKSubscription } from '@nostr-dev-kit/ndk'
-import { EventEmitter } from 'tseep'
-import { localCache } from '../services'
-
-export class MetadataController extends EventEmitter {
-  private nostrController: NostrController
-  private specialMetadataRelay = 'wss://purplepag.es'
-
-  constructor() {
-    super()
-    this.nostrController = NostrController.getInstance()
-  }
-
-  /**
-   * Asynchronously checks for more recent metadata events authored by a specific key.
-   * If a more recent metadata event is found, it is handled and returned.
-   * If no more recent event is found, the current event is returned.
-   * @param hexKey The hexadecimal key of the author to filter metadata events.
-   * @param currentEvent The current metadata event, if any, to compare with newer events.
-   * @returns A promise resolving to the most recent metadata event found, or null if none is found.
-   */
-  private async checkForMoreRecentMetadata(
-    hexKey: string,
-    currentEvent: Event | null
-  ): Promise<Event | null> {
-    // Define the event filter to only include metadata events authored by the given key
-    const eventFilter: Filter = {
-      kinds: [kinds.Metadata], // Only metadata events
-      authors: [hexKey] // Authored by the specified key
-    }
-
-    const pool = new SimplePool()
-
-    // Try to get the metadata event from a special relay (wss://purplepag.es)
-    const metadataEvent = await pool
-      .get([this.specialMetadataRelay], eventFilter)
-      .catch((err) => {
-        console.error(err) // Log any errors
-        return null // Return null if an error occurs
-      })
-
-    // If a valid metadata event is found from the special relay
-    if (
-      metadataEvent &&
-      validateEvent(metadataEvent) && // Validate the event
-      verifyEvent(metadataEvent) // Verify the event's authenticity
-    ) {
-      // If there's no current event or the new metadata event is more recent
-      if (
-        !currentEvent ||
-        metadataEvent.created_at >= currentEvent.created_at
-      ) {
-        // Handle the new metadata event
-        this.handleNewMetadataEvent(metadataEvent)
-      }
-
-      return metadataEvent
-    }
-
-    // If no valid metadata event is found from the special relay, get the most popular relays
-    const mostPopularRelays = await this.nostrController.getMostPopularRelays()
-
-    // Query the most popular relays for metadata events
-    const events = await pool
-      .querySync(mostPopularRelays, eventFilter)
-      .catch((err) => {
-        console.error(err) // Log any errors
-        return null // Return null if an error occurs
-      })
-
-    // If events are found from the popular relays
-    if (events && events.length) {
-      events.sort((a, b) => b.created_at - a.created_at) // Sort events by creation date (descending)
-
-      // Iterate through the events
-      for (const event of events) {
-        // If the event is valid, authentic, and more recent than the current event
-        if (
-          validateEvent(event) &&
-          verifyEvent(event) &&
-          (!currentEvent || event.created_at > currentEvent.created_at)
-        ) {
-          // Handle the new metadata event
-          this.handleNewMetadataEvent(event)
-          return event
-        }
-      }
-    }
-
-    return currentEvent // Return the current event if no newer event is found
-  }
-
-  /**
-   * Handle new metadata events and emit them to subscribers
-   */
-  private async handleNewMetadataEvent(event: VerifiedEvent) {
-    // update the event in local cache
-    localCache.addUserMetadata(event)
-    // Emit the event to subscribers.
-    this.emit(event.pubkey, event.kind, event)
-  }
-
-  /**
-   * Finds metadata for a given hexadecimal key.
-   *
-   * @param hexKey - The hexadecimal key to search for metadata.
-   * @returns A promise that resolves to the metadata event.
-   */
-  public findMetadata = async (hexKey: string): Promise<Event | null> => {
-    // Attempt to retrieve the metadata event from the local cache
-    const cachedMetadataEvent = await localCache.getUserMetadata(hexKey)
-
-    // If cached metadata is found, check its validity
-    if (cachedMetadataEvent) {
-      const oneWeekInMS = 7 * 24 * 60 * 60 * 1000 // Number of milliseconds in one week
-
-      // Check if the cached metadata is older than one week
-      if (Date.now() - cachedMetadataEvent.cachedAt > oneWeekInMS) {
-        // If older than one week, find the metadata from relays in background
-
-        this.checkForMoreRecentMetadata(hexKey, cachedMetadataEvent.event)
-      }
-
-      // Return the cached metadata event
-      return cachedMetadataEvent.event
-    }
-
-    // If no cached metadata is found, retrieve it from relays
-    return this.checkForMoreRecentMetadata(hexKey, null)
-  }
-
-  public findRelayListMetadata = async (hexKey: string) => {
-    let relayEvent: Event | null = null
-
-    // Attempt to retrieve the metadata event from the local cache
-    const cachedRelayListMetadataEvent =
-      await localCache.getUserRelayListMetadata(hexKey)
-
-    if (cachedRelayListMetadataEvent) {
-      const oneWeekInMS = 7 * 24 * 60 * 60 * 1000 // Number of milliseconds in one week
-
-      // Check if the cached event is not older than one week
-      if (Date.now() - cachedRelayListMetadataEvent.cachedAt < oneWeekInMS) {
-        relayEvent = cachedRelayListMetadataEvent.event
-      }
-    }
-
-    // define filter for relay list
-    const eventFilter: Filter = {
-      kinds: [kinds.RelayList],
-      authors: [hexKey]
-    }
-
-    const pool = new SimplePool()
-
-    // Try to get the relayList event from a special relay (wss://purplepag.es)
-    if (!relayEvent) {
-      relayEvent = await pool
-        .get([this.specialMetadataRelay], eventFilter)
-        .then((event) => {
-          if (event) {
-            // update the event in local cache
-            localCache.addUserRelayListMetadata(event)
-          }
-          return event
-        })
-        .catch((err) => {
-          console.error(err)
-          return null
-        })
-    }
-
-    if (!relayEvent) {
-      // If no valid relayList event is found from the special relay, get the most popular relays
-      const mostPopularRelays =
-        await this.nostrController.getMostPopularRelays()
-
-      // Query the most popular relays for relayList event
-      relayEvent = await pool
-        .get(mostPopularRelays, eventFilter)
-        .then((event) => {
-          if (event) {
-            // update the event in local cache
-            localCache.addUserRelayListMetadata(event)
-          }
-          return event
-        })
-        .catch((err) => {
-          console.error(err)
-          return null
-        })
-    }
-
-    if (relayEvent) {
-      const relaySet: RelaySet = {
-        read: [],
-        write: []
-      }
-
-      // a list of r tags with relay URIs and a read or write marker.
-      const relayTags = relayEvent.tags.filter((tag) => tag[0] === 'r')
-
-      // Relays marked as read / write are called READ / WRITE relays, respectively
-      relayTags.forEach((tag) => {
-        if (tag.length >= 3) {
-          const marker = tag[2]
-
-          if (marker === 'read') {
-            relaySet.read.push(tag[1])
-          } else if (marker === 'write') {
-            relaySet.write.push(tag[1])
-          }
-        }
-
-        // If the marker is omitted, the relay is used for both purposes
-        if (tag.length === 2) {
-          relaySet.read.push(tag[1])
-          relaySet.write.push(tag[1])
-        }
-      })
-
-      return relaySet
-    }
-
-    throw new Error('No relay list metadata found.')
-  }
-
-  public extractProfileMetadataContent = (event: Event) => {
-    try {
-      if (!event.content) return {}
-      return JSON.parse(event.content) as ProfileMetadata
-    } catch (error) {
-      console.log('error in parsing metadata event content :>> ', error)
-      return null
-    }
-  }
-
-  /**
-   * Function will not sign provided event if the SIG exists
-   */
-  public publishMetadataEvent = async (event: Event) => {
-    let signedMetadataEvent = event
-
-    if (event.sig.length < 1) {
-      const timestamp = Math.floor(Date.now() / 1000)
-
-      // Metadata event to publish to the wss://purplepag.es relay
-      const newMetadataEvent: Event = {
-        ...event,
-        created_at: timestamp
-      }
-
-      signedMetadataEvent =
-        await this.nostrController.signEvent(newMetadataEvent)
-    }
-
-    await this.nostrController
-      .publishEvent(signedMetadataEvent, [this.specialMetadataRelay])
-      .then((relays) => {
-        toast.success(`Metadata event published on: ${relays.join('\n')}`)
-        this.handleNewMetadataEvent(signedMetadataEvent as VerifiedEvent)
-      })
-      .catch((err) => {
-        toast.error(err.message)
-      })
-  }
-
-  public getNostrJoiningBlockNumber = async (
-    hexKey: string
-  ): Promise<NostrJoiningBlock | null> => {
-    const relaySet = await this.findRelayListMetadata(hexKey)
-
-    const userRelays: string[] = []
-
-    // find user's relays
-    if (relaySet.write.length > 0) {
-      userRelays.push(...relaySet.write)
-    } else {
-      const metadata = await this.findMetadata(hexKey)
-      if (!metadata) return null
-
-      const metadataContent = this.extractProfileMetadataContent(metadata)
-
-      if (metadataContent?.nip05) {
-        const nip05Profile = await queryNip05(metadataContent.nip05)
-
-        if (nip05Profile && nip05Profile.pubkey === hexKey) {
-          userRelays.push(...nip05Profile.relays)
-        }
-      }
-    }
-
-    if (userRelays.length === 0) return null
-
-    // filter for finding user's first kind 0 event
-    const eventFilter: Filter = {
-      kinds: [kinds.Metadata],
-      authors: [hexKey]
-    }
-
-    const pool = new SimplePool()
-
-    // find user's kind 0 events published on user's relays
-    const events = await pool.querySync(userRelays, eventFilter)
-    if (events && events.length) {
-      // sort events by created_at time in ascending order
-      events.sort((a, b) => a.created_at - b.created_at)
-
-      // get first ever event published on user's relays
-      const event = events[0]
-      const { created_at } = event
-
-      // initialize job request
-      const jobEventTemplate: EventTemplate = {
-        content: '',
-        created_at: Math.round(Date.now() / 1000),
-        kind: 68001,
-        tags: [
-          ['i', `${created_at * 1000}`],
-          ['j', 'blockChain-block-number']
-        ]
-      }
-
-      // sign job request event
-      const jobSignedEvent =
-        await this.nostrController.signEvent(jobEventTemplate)
-
-      const relays = [
-        'wss://relay.damus.io',
-        'wss://relay.primal.net',
-        'wss://relayable.org'
-      ]
-
-      // publish job request
-      await this.nostrController.publishEvent(jobSignedEvent, relays)
-
-      console.log('jobSignedEvent :>> ', jobSignedEvent)
-
-      const subscribeWithTimeout = (
-        subscription: NDKSubscription,
-        timeoutMs: number
-      ): Promise<string> => {
-        return new Promise((resolve, reject) => {
-          const eventHandler = (event: NDKEvent) => {
-            subscription.stop()
-            resolve(event.content)
-          }
-
-          subscription.on('event', eventHandler)
-
-          // Set up a timeout to stop the subscription after a specified time
-          const timeout = setTimeout(() => {
-            subscription.stop() // Stop the subscription
-            reject(new Error('Subscription timed out')) // Reject the promise with a timeout error
-          }, timeoutMs)
-
-          // Handle subscription close event
-          subscription.on('close', () => clearTimeout(timeout))
-        })
-      }
-
-      const dvmNDK = new NDK({
-        explicitRelayUrls: relays
-      })
-
-      await dvmNDK.connect(2000)
-
-      // filter for getting DVM job's result
-      const sub = dvmNDK.subscribe({
-        kinds: [68002 as number],
-        '#e': [jobSignedEvent.id],
-        '#p': [jobSignedEvent.pubkey]
-      })
-
-      // asynchronously get block number from dvm job with 20 seconds timeout
-      const dvmJobResult = await subscribeWithTimeout(sub, 20000)
-
-      const encodedEventPointer = nip19.neventEncode({
-        id: event.id,
-        relays: userRelays,
-        author: event.pubkey,
-        kind: event.kind
-      })
-
-      return {
-        block: parseInt(dvmJobResult),
-        encodedEventPointer
-      }
-    }
-
-    return null
-  }
-
-  public validate = (event: Event) => validateEvent(event) && verifyEvent(event)
-
-  public getEmptyMetadataEvent = (): Event => {
-    return {
-      content: '',
-      created_at: new Date().valueOf(),
-      id: '',
-      kind: 0,
-      pubkey: '',
-      sig: '',
-      tags: []
-    }
-  }
-}

src/controllers/index.ts

@@ -1,3 +1 @@
-export * from './AuthController'
-export * from './MetadataController'
 export * from './NostrController'

src/data/metaSamples.json

@@ -0,0 +1,76 @@
+{
+  "creatorMetaExample": {
+    "fileHashes": {
+      "firstPdfFile.pdf": "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05",
+      "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05/1.png": "hash123png1",
+      "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05/2.png": "hash321png2"
+    },
+    "markConfig": {
+      "npub1x77qywdllzetv9ncnhlfpv62kshlgtt0uqlsq3v22uzzkk2xvvrsn6uyfy": {
+        "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05/1.png": [
+          {
+            "id": 1,
+            "type": "FULLNAME",
+            "markLocation": {
+              "top": 56,
+              "left": 306,
+              "height": 200,
+              "width": 100,
+              "page": 1
+            },
+            "npub": "npub1x77qywdllzetv9ncnhlfpv62kshlgtt0uqlsq3v22uzzkk2xvvrsn6uyfy",
+            "fileHash": "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05"
+          }
+        ],
+        "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05/2.png": [
+          {
+            "id": 2,
+            "markType": "FULLNAME",
+            "location": {
+              "top": 76,
+              "left": 283,
+              "height": 150,
+              "width": 123,
+              "page": 2
+            },
+            "npub": "npub1x77qywdllzetv9ncnhlfpv62kshlgtt0uqlsq3v22uzzkk2xvvrsn6uyfy",
+            "fileHash": "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05"
+          }
+        ]
+      }
+    }
+  },
+  "docSignatureExample": {
+    "prevSig": "10de030dd2bfafbbd34969645bd0b3f5e8ab71b3b32091fb29bbea5e272f8a3b7284ef667b6a02e9becc1036450d9fbe5c1c6d146fa91d70e0d8f3cd54d64f17",
+    "marks": [
+        {
+          "id": 1,
+          "type": "FULLNAME",
+          "markLocation": {
+            "top": 56,
+            "left": 306,
+            "height": 200,
+            "width": 100,
+            "page": 1
+          },
+          "npub": "npub1x77qywdllzetv9ncnhlfpv62kshlgtt0uqlsq3v22uzzkk2xvvrsn6uyfy",
+          "fileHash": "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05",
+          "value": "Pera Peric"
+        },
+        {
+          "id": 2,
+          "markType": "FULLNAME",
+          "location": {
+            "top": 76,
+            "left": 283,
+            "height": 150,
+            "width": 123,
+            "page": 2
+          },
+          "npub": "npub1x77qywdllzetv9ncnhlfpv62kshlgtt0uqlsq3v22uzzkk2xvvrsn6uyfy",
+          "fileHash": "da5f857e77d3aa59c461efad804116931c059b36e6b4da0b5d9452753ec70c05",
+          "value": "Pera Peric"
+        }
+      ]
+    }
+  }

src/hooks/index.ts

@@ -1 +1,7 @@
 export * from './store'
+export * from './useAuth'
+export * from './useDidMount'
+export * from './useDvm'
+export * from './useLogout'
+export * from './useNDK'
+export * from './useNDKContext'

src/hooks/useAuth.ts

@@ -0,0 +1,127 @@
+import { EventTemplate } from 'nostr-tools'
+import { useCallback } from 'react'
+import { NostrController } from '../controllers'
+import { appPrivateRoutes } from '../routes'
+import {
+  setAuthState,
+  setRelayMapAction,
+  setUserProfile
+} from '../store/actions'
+import {
+  base64DecodeAuthToken,
+  compareObjects,
+  createAndSaveAuthToken,
+  getAuthToken,
+  getRelayMapFromNDKRelayList,
+  unixNow
+} from '../utils'
+import { useAppDispatch, useAppSelector } from './store'
+import { useNDKContext } from './useNDKContext'
+import { useDvm } from './useDvm'
+
+export const useAuth = () => {
+  const dispatch = useAppDispatch()
+  const { getRelayInfo } = useDvm()
+  const { findMetadata, getNDKRelayList } = useNDKContext()
+
+  const authState = useAppSelector((state) => state.auth)
+  const relaysState = useAppSelector((state) => state.relays)
+
+  const checkSession = useCallback(() => {
+    const savedAuthToken = getAuthToken()
+
+    if (savedAuthToken) {
+      const signedEvent = base64DecodeAuthToken(savedAuthToken)
+
+      dispatch(
+        setAuthState({
+          loggedIn: true,
+          usersPubkey: signedEvent.pubkey
+        })
+      )
+      return
+    }
+
+    dispatch(
+      setAuthState({
+        loggedIn: false,
+        usersPubkey: undefined
+      })
+    )
+  }, [dispatch])
+
+  /**
+   * Function will authenticate user by signing an auth event
+   * which is done by calling the sign() function, where appropriate
+   * method will be chosen (extension or keys)
+   *
+   * @param pubkey of the user trying to login
+   * @returns url to redirect if authentication successfull
+   * or error if otherwise
+   */
+  const authAndGetMetadataAndRelaysMap = useCallback(
+    async (pubkey: string) => {
+      try {
+        const profile = await findMetadata(pubkey)
+        dispatch(setUserProfile(profile))
+      } catch (err) {
+        console.warn('Error occurred while finding metadata', err)
+      }
+
+      const timestamp = unixNow()
+      const { href } = window.location
+
+      const authEvent: EventTemplate = {
+        kind: 27235,
+        tags: [
+          ['u', href],
+          ['method', 'GET']
+        ],
+        content: '',
+        created_at: timestamp
+      }
+
+      const nostrController = NostrController.getInstance()
+      const signedAuthEvent = await nostrController.signEvent(authEvent)
+      createAndSaveAuthToken(signedAuthEvent)
+
+      dispatch(
+        setAuthState({
+          loggedIn: true,
+          usersPubkey: pubkey
+        })
+      )
+
+      const ndkRelayList = await getNDKRelayList(pubkey)
+      const relays = ndkRelayList.relays
+
+      if (relays.length < 1) {
+        // Navigate user to relays page if relay map is empty
+        return appPrivateRoutes.relays
+      }
+
+      getRelayInfo(relays)
+
+      const relayMap = getRelayMapFromNDKRelayList(ndkRelayList)
+
+      if (authState.loggedIn && !compareObjects(relaysState?.map, relayMap)) {
+        dispatch(setRelayMapAction(relayMap))
+      }
+
+      return appPrivateRoutes.homePage
+    },
+    [
+      dispatch,
+      findMetadata,
+      getNDKRelayList,
+      getRelayInfo,
+      authState,
+      relaysState
+    ]
+  )
+
+  return {
+    authAndGetMetadataAndRelaysMap,
+    checkSession
+  }
+}

src/hooks/useDidMount.ts

@@ -0,0 +1,12 @@
+import { useRef, useEffect } from 'react'
+
+export const useDidMount = (callback: () => void) => {
+  const didMount = useRef<boolean>(false)
+
+  useEffect(() => {
+    if (callback && !didMount.current) {
+      didMount.current = true
+      callback()
+    }
+  })
+}

src/hooks/useDvm.ts

@@ -0,0 +1,98 @@
+import { NDKEvent, NDKSubscription } from '@nostr-dev-kit/ndk'
+import { EventTemplate } from 'nostr-tools'
+import { NostrController } from '../controllers'
+import { setRelayInfoAction } from '../store/actions'
+import { RelayInfoObject } from '../types'
+import { compareObjects, unixNow } from '../utils'
+import { useAppDispatch, useAppSelector } from './store'
+import { useNDKContext } from './useNDKContext'
+
+export const useDvm = () => {
+  const dvmRelays = [
+    'wss://relay.damus.io',
+    'wss://relay.primal.net',
+    'wss://relayable.org'
+  ]
+
+  const relayInfo = useAppSelector((state) => state.relays.info)
+
+  const { ndk, publish } = useNDKContext()
+  const dispatch = useAppDispatch()
+
+  /**
+   * Sets information about relays into relays.info app state.
+   * @param relayURIs - relay URIs to get information about
+   */
+  const getRelayInfo = async (relayURIs: string[]) => {
+    // initialize job request
+    const jobEventTemplate: EventTemplate = {
+      content: '',
+      created_at: unixNow(),
+      kind: 68001,
+      tags: [
+        ['i', `${JSON.stringify(relayURIs)}`],
+        ['j', 'relay-info']
+      ]
+    }
+
+    const nostrController = NostrController.getInstance()
+
+    // sign job request event
+    const jobSignedEvent = await nostrController.signEvent(jobEventTemplate)
+
+    // publish job request
+    const ndkEvent = new NDKEvent(ndk, jobSignedEvent)
+    await publish(ndkEvent, dvmRelays)
+
+    const subscribeWithTimeout = (
+      subscription: NDKSubscription,
+      timeoutMs: number
+    ): Promise<string> => {
+      return new Promise((resolve, reject) => {
+        const eventHandler = (event: NDKEvent) => {
+          subscription.stop()
+          resolve(event.content)
+        }
+
+        subscription.on('event', eventHandler)
+
+        // Set up a timeout to stop the subscription after a specified time
+        const timeout = setTimeout(() => {
+          subscription.stop() // Stop the subscription
+          reject(new Error('Subscription timed out')) // Reject the promise with a timeout error
+        }, timeoutMs)
+
+        // Handle subscription close event
+        subscription.on('close', () => clearTimeout(timeout))
+      })
+    }
+
+    // filter for getting DVM job's result
+    const sub = ndk.subscribe({
+      kinds: [68002 as number],
+      '#e': [jobSignedEvent.id],
+      '#p': [jobSignedEvent.pubkey]
+    })
+
+    // asynchronously get relay info from dvm job with 20 seconds timeout
+    const dvmJobResult = await subscribeWithTimeout(sub, 20000)
+
+    if (!dvmJobResult) {
+      return Promise.reject(`Relay(s) information wasn't received`)
+    }
+
+    let newRelaysInfo: RelayInfoObject
+
+    try {
+      newRelaysInfo = JSON.parse(dvmJobResult)
+    } catch (error) {
+      return Promise.reject(`Invalid relay(s) information.`)
+    }
+
+    if (newRelaysInfo && !compareObjects(relayInfo, newRelaysInfo)) {
+      dispatch(setRelayInfoAction(newRelaysInfo))
+    }
+  }
+
+  return { getRelayInfo }
+}

src/hooks/useLogout.tsx

@@ -0,0 +1,26 @@
+import { logout as nostrLogout } from 'nostr-login'
+import { clear } from '../utils/localStorage'
+import { userLogOutAction } from '../store/actions'
+import { LoginMethod } from '../store/auth/types'
+import { useAppDispatch, useAppSelector } from './store'
+import { useCallback } from 'react'
+
+export const useLogout = () => {
+  const loginMethod = useAppSelector((state) => state.auth?.loginMethod)
+  const dispatch = useAppDispatch()
+
+  const logout = useCallback(() => {
+    // Log out of the nostr-login
+    if (loginMethod === LoginMethod.nostrLogin) {
+      nostrLogout()
+    }
+
+    // Reset redux state with the logout
+    dispatch(userLogOutAction())
+
+    // Clear the local storage states
+    clear()
+  }, [dispatch, loginMethod])
+
+  return logout
+}

src/hooks/useNDK.ts

@@ -0,0 +1,512 @@
+import { useCallback } from 'react'
+import { toast } from 'react-toastify'
+
+import { bytesToHex } from '@noble/hashes/utils'
+import {
+  NDKEvent,
+  NDKFilter,
+  NDKKind,
+  NDKRelaySet,
+  NDKSubscriptionCacheUsage
+} from '@nostr-dev-kit/ndk'
+import _ from 'lodash'
+import {
+  Event,
+  generateSecretKey,
+  getPublicKey,
+  kinds,
+  UnsignedEvent
+} from 'nostr-tools'
+
+import { useAppDispatch, useAppSelector, useNDKContext } from '.'
+import { NostrController } from '../controllers'
+import {
+  updateProcessedGiftWraps,
+  updateUserAppData as updateUserAppDataAction
+} from '../store/actions'
+import { Keys } from '../store/auth/types'
+import {
+  isSigitNotification,
+  Meta,
+  SigitNotification,
+  UserAppData,
+  UserRelaysType
+} from '../types'
+import {
+  countLeadingZeroes,
+  createWrap,
+  deleteBlossomFile,
+  fetchMetaFromFileStorage,
+  getDTagForUserAppData,
+  getUserAppDataFromBlossom,
+  hexToNpub,
+  parseJson,
+  SIGIT_RELAY,
+  unixNow,
+  uploadUserAppDataToBlossom
+} from '../utils'
+
+export const useNDK = () => {
+  const dispatch = useAppDispatch()
+  const {
+    ndk,
+    fetchEvent,
+    fetchEventsFromUserRelays,
+    publish,
+    getNDKRelayList
+  } = useNDKContext()
+  const usersPubkey = useAppSelector((state) => state.auth.usersPubkey)
+  const appData = useAppSelector((state) => state.userAppData)
+  const processedEvents = useAppSelector(
+    (state) => state.userAppData?.processedGiftWraps
+  )
+
+  /**
+   * Fetches user application data based on user's public key.
+   *
+   * @returns The user application data or null if an error occurs or no data is found.
+   */
+  const getUsersAppData = useCallback(async (): Promise<UserAppData | null> => {
+    if (!usersPubkey) return null
+
+    // Get an instance of the NostrController
+    const nostrController = NostrController.getInstance()
+
+    // Decryption can fail down in the code if extension options changed
+    // Forcefully log out the user if we detect missmatch between pubkeys
+    if (usersPubkey !== (await nostrController.capturePublicKey())) {
+      return null
+    }
+
+    // Generate an identifier for the user's nip78
+    const dTag = await getDTagForUserAppData()
+    if (!dTag) return null
+
+    // Define a filter for fetching events
+    const filter: NDKFilter = {
+      kinds: [NDKKind.AppSpecificData],
+      authors: [usersPubkey],
+      '#d': [dTag]
+    }
+
+    const encryptedContent = await fetchEvent(filter, {
+      cacheUsage: NDKSubscriptionCacheUsage.ONLY_RELAY
+    })
+      .then((event) => {
+        if (event) return event.content
+
+        // If no event is found, return an empty stringified object
+        return '{}'
+      })
+      .catch((err) => {
+        // Log error and show a toast notification if fetching event fails
+        console.log(`An error occurred in finding kind 30078 event`, err)
+        toast.error(
+          'An error occurred in finding kind 30078 event for data storage'
+        )
+        return null
+      })
+
+    // Return null if encrypted content retrieval fails
+    if (!encryptedContent) return null
+
+    // Handle case where the encrypted content is an empty object
+    if (encryptedContent === '{}') {
+      // Generate ephemeral key pair
+      const secret = generateSecretKey()
+      const pubKey = getPublicKey(secret)
+
+      return {
+        sigits: {},
+        processedGiftWraps: [],
+        blossomUrls: [],
+        keyPair: {
+          private: bytesToHex(secret),
+          public: pubKey
+        }
+      }
+    }
+
+    // Decrypt the encrypted content
+    const decrypted = await nostrController
+      .nip04Decrypt(usersPubkey, encryptedContent)
+      .catch((err) => {
+        // Log error and show a toast notification if decryption fails
+        console.log('An error occurred while decrypting app data', err)
+        toast.error('An error occurred while decrypting app data')
+        return null
+      })
+
+    // Return null if decryption fails
+    if (!decrypted) return null
+
+    // Parse the decrypted content
+    const parsedContent = await parseJson<{
+      blossomUrls: string[]
+      keyPair: Keys
+    }>(decrypted).catch((err) => {
+      // Log error and show a toast notification if parsing fails
+      console.log(
+        'An error occurred in parsing the content of kind 30078 event',
+        err
+      )
+      toast.error(
+        'An error occurred in parsing the content of kind 30078 event'
+      )
+      return null
+    })
+
+    // Return null if parsing fails
+    if (!parsedContent) return null
+
+    const { blossomUrls, keyPair } = parsedContent
+
+    // Return null if no blossom URLs are found
+    if (blossomUrls.length === 0) return null
+
+    // Fetch additional user app data from the first blossom URL
+    const dataFromBlossom = await getUserAppDataFromBlossom(
+      blossomUrls[0],
+      keyPair.private
+    )
+
+    // Return null if fetching data from blossom fails
+    if (!dataFromBlossom) return null
+
+    const { sigits, processedGiftWraps } = dataFromBlossom
+
+    // Return the final user application data
+    return {
+      blossomUrls,
+      keyPair,
+      sigits,
+      processedGiftWraps
+    }
+  }, [usersPubkey, fetchEvent])
+
+  const updateUsersAppData = useCallback(
+    async (metaArray: Meta[]) => {
+      if (!appData || !appData.keyPair || !usersPubkey) return null
+
+      const sigits = _.cloneDeep(appData.sigits)
+      let isUpdated = false
+
+      for (const meta of metaArray) {
+        const createSignatureEvent = await parseJson<Event>(
+          meta.createSignature
+        ).catch((err) => {
+          console.log('Error in parsing the createSignature event:', err)
+          toast.error(
+            err.message ||
+              'Error occurred in parsing the create signature event'
+          )
+          return null
+        })
+
+        if (!createSignatureEvent) continue
+
+        const id = createSignatureEvent.id
+
+        // Check if sigit already exists
+        if (id in sigits) {
+          // Update meta only if incoming meta is more recent
+          const existingMeta = sigits[id]
+          if (existingMeta.modifiedAt < meta.modifiedAt) {
+            sigits[id] = meta
+            isUpdated = true
+          }
+        } else {
+          sigits[id] = meta
+          isUpdated = true
+        }
+      }
+
+      if (!isUpdated) return null
+
+      const blossomUrls = [...appData.blossomUrls]
+
+      const newBlossomUrl = await uploadUserAppDataToBlossom(
+        sigits,
+        appData.processedGiftWraps,
+        appData.keyPair.private
+      ).catch((err) => {
+        console.log(
+          'Error uploading user app data file to Blossom server:',
+          err
+        )
+        toast.error(
+          'Error occurred in uploading user app data file to Blossom server'
+        )
+        return null
+      })
+
+      if (!newBlossomUrl) return null
+
+      // Insert new blossom URL at the start of the array
+      blossomUrls.unshift(newBlossomUrl)
+
+      // Keep only the last 10 Blossom URLs, delete older ones
+      if (blossomUrls.length > 10) {
+        const filesToDelete = blossomUrls.splice(10)
+        filesToDelete.forEach((url) => {
+          deleteBlossomFile(url, appData.keyPair!.private).catch((err) => {
+            console.log('Error removing old file from Blossom server:', err)
+          })
+        })
+      }
+
+      // Encrypt content for storing in kind 30078 event
+      const nostrController = NostrController.getInstance()
+      const encryptedContent = await nostrController
+        .nip04Encrypt(
+          usersPubkey,
+          JSON.stringify({
+            blossomUrls,
+            keyPair: appData.keyPair
+          })
+        )
+        .catch((err) => {
+          console.log('Error encrypting content for app data:', err)
+          toast.error(err.message || 'Error encrypting content for app data')
+          return null
+        })
+
+      if (!encryptedContent) return null
+
+      // Generate the identifier for user's appData event
+      const dTag = await getDTagForUserAppData()
+      if (!dTag) return null
+
+      const updatedEvent: UnsignedEvent = {
+        kind: kinds.Application,
+        pubkey: usersPubkey,
+        created_at: unixNow(),
+        tags: [['d', dTag]],
+        content: encryptedContent
+      }
+
+      const signedEvent = await nostrController
+        .signEvent(updatedEvent)
+        .catch((err) => {
+          console.log('Error signing event:', err)
+          toast.error(err.message || 'Error signing event')
+          return null
+        })
+
+      if (!signedEvent) return null
+
+      const ndkEvent = new NDKEvent(ndk, signedEvent)
+      const publishResult = await publish(ndkEvent)
+
+      if (publishResult.length === 0 || !publishResult) {
+        toast.error('Unexpected error occurred in publishing updated app data')
+        return null
+      }
+
+      console.count('updateUserAppData useNDK')
+
+      // Update Redux store
+      dispatch(
+        updateUserAppDataAction({
+          sigits,
+          blossomUrls,
+          processedGiftWraps: [...appData.processedGiftWraps],
+          keyPair: {
+            ...appData.keyPair
+          }
+        })
+      )
+
+      return signedEvent
+    },
+    [appData, dispatch, ndk, publish, usersPubkey]
+  )
+
+  const processReceivedEvents = useCallback(
+    async (events: NDKEvent[], difficulty: number = 5) => {
+      if (!processedEvents) return
+
+      const validMetaArray: Meta[] = [] // Array to store valid Meta objects
+      const updatedProcessedEvents = [...processedEvents] // Keep track of processed event IDs
+
+      for (const event of events) {
+        // Skip already processed events
+        if (processedEvents.includes(event.id)) continue
+
+        // Validate PoW
+        const leadingZeroes = countLeadingZeroes(event.id)
+        if (leadingZeroes < difficulty) continue
+
+        // Decrypt the content of the gift wrap event
+        const nostrController = NostrController.getInstance()
+        const decrypted = await nostrController
+          .nip44Decrypt(event.pubkey, event.content)
+          .catch((err) => {
+            console.log('An error occurred in decrypting event content', err)
+            return null
+          })
+
+        if (!decrypted) continue
+
+        const internalUnsignedEvent = await parseJson<UnsignedEvent>(
+          decrypted
+        ).catch((err) => {
+          console.log(
+            'An error occurred in parsing the internal unsigned event',
+            err
+          )
+          return null
+        })
+
+        if (!internalUnsignedEvent || internalUnsignedEvent.kind !== 938)
+          continue
+
+        const parsedContent = await parseJson<Meta | SigitNotification>(
+          internalUnsignedEvent.content
+        ).catch((err) => {
+          console.log('An error occurred in parsing event content', err)
+          return null
+        })
+
+        if (!parsedContent) continue
+
+        let meta: Meta
+
+        if (isSigitNotification(parsedContent)) {
+          const notification = parsedContent
+          if (!notification.keys || !usersPubkey) continue
+
+          let encryptionKey: string | undefined
+          const { sender, keys } = notification.keys
+          const usersNpub = hexToNpub(usersPubkey)
+
+          if (usersNpub in keys) {
+            encryptionKey = await nostrController
+              .nip04Decrypt(sender, keys[usersNpub])
+              .catch((err) => {
+                console.log(
+                  'An error occurred in decrypting encryption key',
+                  err
+                )
+                return undefined
+              })
+          }
+
+          try {
+            meta = await fetchMetaFromFileStorage(
+              notification.metaUrl,
+              encryptionKey
+            )
+          } catch (error) {
+            console.error(
+              'An error occurred fetching meta file from storage',
+              error
+            )
+            continue
+          }
+        } else {
+          meta = parsedContent
+        }
+
+        validMetaArray.push(meta) // Add valid Meta to the array
+        updatedProcessedEvents.push(event.id) // Mark event as processed
+      }
+
+      // Update processed events in the Redux store
+      dispatch(updateProcessedGiftWraps(updatedProcessedEvents))
+
+      // Pass the array of Meta objects to updateUsersAppData
+      if (validMetaArray.length > 0) {
+        await updateUsersAppData(validMetaArray)
+      }
+    },
+    [dispatch, processedEvents, updateUsersAppData, usersPubkey]
+  )
+
+  const subscribeForSigits = useCallback(
+    async (pubkey: string) => {
+      // Define the filter for the subscription
+      const filter: NDKFilter = {
+        kinds: [1059 as NDKKind],
+        '#p': [pubkey]
+      }
+
+      // Process the received event synchronously
+      const events = await fetchEventsFromUserRelays(
+        filter,
+        pubkey,
+        UserRelaysType.Read,
+        {
+          cacheUsage: NDKSubscriptionCacheUsage.ONLY_RELAY
+        }
+      )
+
+      await processReceivedEvents(events)
+    },
+    [fetchEventsFromUserRelays, processReceivedEvents]
+  )
+
+  /**
+   * Function to send a notification to a specified receiver.
+   * @param receiver - The recipient's public key.
+   * @param notification - Url pointing to metadata associated with the notification on blossom and keys to decrypt.
+   */
+  const sendNotification = useCallback(
+    async (receiver: string, notification: SigitNotification) => {
+      if (!usersPubkey) return
+
+      // Create an unsigned event object with the provided metadata
+      const unsignedEvent: UnsignedEvent = {
+        kind: 938,
+        pubkey: usersPubkey,
+        content: JSON.stringify(notification),
+        tags: [],
+        created_at: unixNow()
+      }
+
+      // Wrap the unsigned event with the receiver's information
+      const wrappedEvent = createWrap(unsignedEvent, receiver)
+
+      // Publish the notification event to the recipient's read relays
+      const ndkEvent = new NDKEvent(ndk, wrappedEvent)
+
+      const ndkRelayList = await getNDKRelayList(receiver)
+
+      const readRelayUrls: string[] = []
+
+      if (ndkRelayList?.readRelayUrls) {
+        readRelayUrls.push(...ndkRelayList.readRelayUrls)
+      }
+
+      if (!readRelayUrls.includes(SIGIT_RELAY)) {
+        readRelayUrls.push(SIGIT_RELAY)
+      }
+
+      await ndkEvent
+        .publish(NDKRelaySet.fromRelayUrls(readRelayUrls, ndk, true))
+        .then((publishedOnRelays) => {
+          if (publishedOnRelays.size === 0) {
+            throw new Error('Could not publish to any relay')
+          }
+
+          return publishedOnRelays
+        })
+        .catch((err) => {
+          // Log an error if publishing the notification event fails
+          console.log(
+            `An error occurred while publishing notification event for ${hexToNpub(receiver)}`,
+            err
+          )
+          throw err
+        })
+    },
+    [ndk, usersPubkey, getNDKRelayList]
+  )
+
+  return {
+    getUsersAppData,
+    subscribeForSigits,
+    updateUsersAppData,
+    sendNotification
+  }
+}

src/hooks/useNDKContext.ts

@@ -0,0 +1,13 @@
+import { NDKContext, NDKContextType } from '../contexts/NDKContext'
+import { useContext } from 'react'
+
+export const useNDKContext = () => {
+  const ndkContext = useContext(NDKContext)
+
+  if (!ndkContext)
+    throw new Error(
+      'NDKContext should not be used in out component tree hierarchy'
+    )
+
+  return { ...ndkContext } as NDKContextType
+}

src/hooks/useProfileMetadata.tsx

@@ -0,0 +1,27 @@
+import { useEffect, useState } from 'react'
+
+import { NDKUserProfile } from '@nostr-dev-kit/ndk'
+import { useNDKContext } from './useNDKContext'
+
+export const useProfileMetadata = (pubkey: string) => {
+  const { findMetadata } = useNDKContext()
+
+  const [userProfile, setUserProfile] = useState<NDKUserProfile>()
+
+  useEffect(() => {
+    if (pubkey) {
+      findMetadata(pubkey)
+        .then((profile) => {
+          if (profile) setUserProfile(profile)
+        })
+        .catch((err) => {
+          console.error(
+            `error occurred in finding metadata for: ${pubkey}`,
+            err
+          )
+        })
+    }
+  }, [pubkey, findMetadata])
+
+  return userProfile
+}

src/hooks/useScale.tsx

@@ -0,0 +1,46 @@
+import { useEffect, useState } from 'react'
+import { singletonHook } from 'react-singleton-hook'
+import { getInnerContentWidth } from '../utils/pdf'
+
+const noScaleInit = {
+  to: (_: number, v: number) => v,
+  from: (_: number, v: number) => v
+}
+
+const useScaleImpl = () => {
+  const [width, setWidth] = useState(getInnerContentWidth())
+
+  // Get the scale based on the original width
+  const scale = (originalWidth: number) => {
+    return width / originalWidth
+  }
+
+  // Get the original pixel value
+  const to = (originalWidth: number, value: number) => {
+    return value / scale(originalWidth)
+  }
+
+  // Get the scaled pixel value
+  const from = (originalWidth: number, value: number) => {
+    return value * scale(originalWidth)
+  }
+
+  const resize = () => {
+    setWidth(getInnerContentWidth())
+  }
+
+  useEffect(() => {
+    resize()
+
+    window.addEventListener('resize', resize)
+    return () => {
+      window.removeEventListener('resize', resize)
+    }
+  }, [])
+
+  return { to, from }
+}
+
+export const useScale = singletonHook(noScaleInit, useScaleImpl, {
+  unmountIfNoConsumers: true
+})

src/hooks/useSigitMeta.tsx

@@ -0,0 +1,282 @@
+import { useEffect, useState } from 'react'
+import { DocSignatureEvent, Meta, SignedEventContent, FlatMeta } from '../types'
+import { Mark } from '../types/mark'
+import {
+  fromUnixTimestamp,
+  hexToNpub,
+  parseNostrEvent,
+  parseCreateSignatureEventContent,
+  SigitStatus,
+  SignStatus
+} from '../utils'
+import { toast } from 'react-toastify'
+import { verifyEvent } from 'nostr-tools'
+import store from '../store/store'
+import { NostrController } from '../controllers'
+import { MetaParseError } from '../types/errors/MetaParseError'
+import { MARK_TYPE_CONFIG } from '../components/MarkTypeStrategy/MarkStrategy'
+
+/**
+ * Custom use hook for parsing the Sigit Meta
+ * @param meta Sigit Meta
+ * @returns flattened Meta object with calculated signed status
+ */
+export const useSigitMeta = (meta: Meta): FlatMeta => {
+  const [isValid, setIsValid] = useState(false)
+  const [kind, setKind] = useState<number>()
+  const [tags, setTags] = useState<string[][]>()
+  const [createdAt, setCreatedAt] = useState<number>()
+  const [submittedBy, setSubmittedBy] = useState<string>() // submittedBy, pubkey from nostr event (hex)
+  const [exportedBy, setExportedBy] = useState<string>() // pubkey from export signature nostr event (hex)
+  const [id, setId] = useState<string>()
+  const [sig, setSig] = useState<string>()
+
+  const [signers, setSigners] = useState<`npub1${string}`[]>([])
+  const [viewers, setViewers] = useState<`npub1${string}`[]>([])
+  const [fileHashes, setFileHashes] = useState<{
+    [user: `npub1${string}`]: string
+  }>({})
+  const [markConfig, setMarkConfig] = useState<Mark[]>([])
+  const [title, setTitle] = useState<string>('')
+  const [zipUrl, setZipUrl] = useState<string>('')
+
+  const [parsedSignatureEvents, setParsedSignatureEvents] = useState<{
+    [signer: `npub1${string}`]: DocSignatureEvent
+  }>({})
+
+  const [completedAt, setCompletedAt] = useState<number>()
+
+  const [signedStatus, setSignedStatus] = useState<SigitStatus>(
+    SigitStatus.Partial
+  )
+  const [signersStatus, setSignersStatus] = useState<{
+    [signer: `npub1${string}`]: SignStatus
+  }>({})
+
+  const [encryptionKey, setEncryptionKey] = useState<string | undefined>()
+
+  useEffect(() => {
+    if (!meta) return
+    ;(async function () {
+      try {
+        if (meta.exportSignature) {
+          const exportSignatureEvent = parseNostrEvent(meta.exportSignature)
+          if (
+            verifyEvent(exportSignatureEvent) &&
+            exportSignatureEvent.pubkey
+          ) {
+            setExportedBy(exportSignatureEvent.pubkey)
+          }
+        }
+
+        const createSignatureEvent = parseNostrEvent(meta.createSignature)
+
+        const { kind, tags, created_at, pubkey, id, sig, content } =
+          createSignatureEvent
+
+        setIsValid(verifyEvent(createSignatureEvent))
+        setKind(kind)
+        setTags(tags)
+        // created_at in nostr events are stored in seconds
+        setCreatedAt(fromUnixTimestamp(created_at))
+        setSubmittedBy(pubkey)
+        setId(id)
+        setSig(sig)
+
+        const { title, signers, viewers, fileHashes, markConfig, zipUrl } =
+          parseCreateSignatureEventContent(content)
+
+        setTitle(title)
+        setSigners(signers)
+        setViewers(viewers)
+        setFileHashes(fileHashes)
+        setMarkConfig(markConfig)
+        setZipUrl(zipUrl)
+
+        let encryptionKey: string | undefined
+        if (meta.keys) {
+          const { sender, keys } = meta.keys
+          // Retrieve the user's public key from the state
+          const usersPubkey = store.getState().auth.usersPubkey!
+          const usersNpub = hexToNpub(usersPubkey)
+
+          // Check if the user's public key is in the keys object
+          if (usersNpub in keys) {
+            // Instantiate the NostrController to decrypt the encryption key
+            const nostrController = NostrController.getInstance()
+            const decrypted = await nostrController
+              .nip04Decrypt(sender, keys[usersNpub])
+              .catch((err) => {
+                console.log(
+                  'An error occurred in decrypting encryption key',
+                  err
+                )
+                return undefined
+              })
+
+            encryptionKey = decrypted
+            setEncryptionKey(decrypted)
+          }
+        }
+        // Temp. map to hold events and signers
+        const parsedSignatureEventsMap = new Map<
+          `npub1${string}`,
+          DocSignatureEvent
+        >()
+        const signerStatusMap = new Map<`npub1${string}`, SignStatus>()
+
+        const getPrevSignerSig = (npub: `npub1${string}`) => {
+          if (signers[0] === npub) {
+            return sig
+          }
+
+          // find the index of signer
+          const currentSignerIndex = signers.findIndex(
+            (signer) => signer === npub
+          )
+          // return if could not found user in signer's list
+          if (currentSignerIndex === -1) return
+          // find prev signer
+          const prevSigner = signers[currentSignerIndex - 1]
+
+          // get the signature of prev signer
+          return parsedSignatureEventsMap.get(prevSigner)?.sig
+        }
+
+        for (const npub in meta.docSignatures) {
+          try {
+            // Parse each signature event
+            const event = await parseNostrEvent(
+              meta.docSignatures[npub as `npub1${string}`]
+            )
+
+            // Save events to a map, to save all at once outside loop
+            // We need the object to find completedAt
+            // Avoided using parsedSignatureEvents due to useEffect deps
+            parsedSignatureEventsMap.set(npub as `npub1${string}`, event)
+          } catch (error) {
+            signerStatusMap.set(npub as `npub1${string}`, SignStatus.Invalid)
+          }
+        }
+
+        for (const [npub, event] of parsedSignatureEventsMap) {
+          const isValidSignature = verifyEvent(event)
+          if (isValidSignature) {
+            // get the signature of prev signer from the content of current signers signedEvent
+            const prevSignersSig = getPrevSignerSig(npub)
+
+            try {
+              const obj: SignedEventContent = JSON.parse(event.content)
+
+              // Signature object can include values that need to be fetched and decrypted
+              for (let i = 0; i < obj.marks.length; i++) {
+                const m = obj.marks[i]
+
+                try {
+                  const { fetchAndDecrypt } = MARK_TYPE_CONFIG[m.type] || {}
+                  if (
+                    typeof fetchAndDecrypt === 'function' &&
+                    m.value &&
+                    encryptionKey
+                  ) {
+                    const decrypted = await fetchAndDecrypt(
+                      m.value,
+                      encryptionKey
+                    )
+                    obj.marks[i].value = decrypted
+                  }
+                } catch (error) {
+                  console.error(
+                    `Error during mark fetchAndDecrypt phase`,
+                    error
+                  )
+                }
+              }
+
+              parsedSignatureEventsMap.set(npub, {
+                ...event,
+                parsedContent: obj
+              })
+              if (
+                obj.prevSig &&
+                prevSignersSig &&
+                obj.prevSig === prevSignersSig
+              ) {
+                signerStatusMap.set(npub as `npub1${string}`, SignStatus.Signed)
+              }
+            } catch (error) {
+              signerStatusMap.set(npub as `npub1${string}`, SignStatus.Invalid)
+            }
+          }
+        }
+
+        signers
+          .filter((s) => !parsedSignatureEventsMap.has(s))
+          .forEach((s) => signerStatusMap.set(s, SignStatus.Pending))
+
+        // Get the first signer that hasn't signed
+        const nextSigner = signers.find((s) => !parsedSignatureEventsMap.has(s))
+        if (nextSigner) {
+          signerStatusMap.set(nextSigner, SignStatus.Awaiting)
+        }
+
+        setSignersStatus(Object.fromEntries(signerStatusMap))
+        setParsedSignatureEvents(Object.fromEntries(parsedSignatureEventsMap))
+
+        const signedBy = Object.keys(meta.docSignatures) as `npub1${string}`[]
+        const isCompletelySigned = signers.every((signer) =>
+          signedBy.includes(signer)
+        )
+        setSignedStatus(
+          isCompletelySigned ? SigitStatus.Complete : SigitStatus.Partial
+        )
+
+        // Check if all signers signed
+        if (isCompletelySigned) {
+          setCompletedAt(
+            fromUnixTimestamp(
+              signedBy.reduce((p, c) => {
+                return Math.max(
+                  p,
+                  parsedSignatureEventsMap.get(c)?.created_at || 0
+                )
+              }, 0)
+            )
+          )
+        }
+      } catch (error) {
+        if (error instanceof MetaParseError) {
+          toast.error(error.message)
+        }
+        console.error(error)
+      }
+    })()
+  }, [meta])
+
+  return {
+    modifiedAt: meta?.modifiedAt,
+    createSignature: meta?.createSignature,
+    docSignatures: meta?.docSignatures,
+    keys: meta?.keys,
+    timestamps: meta?.timestamps,
+    isValid,
+    kind,
+    tags,
+    createdAt,
+    submittedBy,
+    exportedBy,
+    id,
+    sig,
+    signers,
+    viewers,
+    fileHashes,
+    markConfig,
+    title,
+    zipUrl,
+    parsedSignatureEvents,
+    completedAt,
+    signedStatus,
+    signersStatus,
+    encryptionKey
+  }
+}

src/index.css

@@ -27,7 +27,7 @@ body {
   position: fixed;
   top: 80px;
   right: 20px;
-  z-index: 100;
+  z-index: 40;
 }
 
 #root {
@@ -101,6 +101,15 @@ button:disabled {
   color: inherit !important;
 }
 
+.line-clamp-2 {
+  display: -webkit-box;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  -webkit-line-clamp: 2;
+  line-clamp: 2;
+}
+
 .profile-image {
   width: 40px;
   height: 40px;
@@ -111,7 +120,9 @@ button:disabled {
 /* Fonts */
 @font-face {
   font-family: 'Roboto';
-  src: local('Roboto Medium'), local('Roboto-Medium'),
+  src:
+    local('Roboto Medium'),
+    local('Roboto-Medium'),
     url('assets/fonts/roboto-medium.woff2') format('woff2'),
     url('assets/fonts/roboto-medium.woff') format('woff');
   font-weight: 500;
@@ -121,7 +132,9 @@ button:disabled {
 
 @font-face {
   font-family: 'Roboto';
-  src: local('Roboto Light'), local('Roboto-Light'),
+  src:
+    local('Roboto Light'),
+    local('Roboto-Light'),
     url('assets/fonts/roboto-light.woff2') format('woff2'),
     url('assets/fonts/roboto-light.woff') format('woff');
   font-weight: 300;
@@ -131,7 +144,9 @@ button:disabled {
 
 @font-face {
   font-family: 'Roboto';
-  src: local('Roboto Bold'), local('Roboto-Bold'),
+  src:
+    local('Roboto Bold'),
+    local('Roboto-Bold'),
     url('assets/fonts/roboto-bold.woff2') format('woff2'),
     url('assets/fonts/roboto-bold.woff') format('woff');
   font-weight: bold;
@@ -141,10 +156,12 @@ button:disabled {
 
 @font-face {
   font-family: 'Roboto';
-  src: local('Roboto'), local('Roboto-Regular'),
+  src:
+    local('Roboto'),
+    local('Roboto-Regular'),
     url('assets/fonts/roboto-regular.woff2') format('woff2'),
     url('assets/fonts/roboto-regular.woff') format('woff');
   font-weight: normal;
   font-style: normal;
   font-display: swap;
-}
+}

src/layouts/Main.tsx

@@ -1,98 +1,171 @@
-import { Event, kinds } from 'nostr-tools'
-import { useEffect, useState } from 'react'
-import { useDispatch, useSelector } from 'react-redux'
-import { Outlet } from 'react-router-dom'
+import { useCallback, useEffect, useRef, useState } from 'react'
+import { Outlet, useNavigate, useSearchParams } from 'react-router-dom'
+
+import { getPublicKey, nip19 } from 'nostr-tools'
+
+import { init as initNostrLogin } from 'nostr-login'
+import { NostrLoginAuthOptions } from 'nostr-login/dist/types'
+
 import { AppBar } from '../components/AppBar/AppBar'
 import { LoadingSpinner } from '../components/LoadingSpinner'
-import { MetadataController, NostrController } from '../controllers'
+
+import { NostrController } from '../controllers'
+
+import {
+  useAppDispatch,
+  useAppSelector,
+  useAuth,
+  useLogout,
+  useNDK,
+  useNDKContext
+} from '../hooks'
+
 import {
   restoreState,
-  setAuthState,
-  setMetadataEvent,
-  updateUserAppData
+  setUserProfile,
+  updateKeyPair,
+  updateLoginMethod,
+  updateNostrLoginAuthMethod,
+  updateUserAppData,
+  setUserRobotImage
 } from '../store/actions'
-import { LoginMethods } from '../store/auth/types'
-import { State } from '../store/rootReducer'
-import { Dispatch } from '../store/store'
-import { setUserRobotImage } from '../store/userRobotImage/action'
-import {
-  clearAuthToken,
-  clearState,
-  getRoboHashPicture,
-  getUsersAppData,
-  loadState,
-  saveNsecBunkerDelegatedKey,
-  subscribeForSigits
-} from '../utils'
-import { useAppSelector } from '../hooks'
-import { SubCloser } from 'nostr-tools/abstract-pool'
+import { LoginMethod } from '../store/auth/types'
+
+import { getRoboHashPicture, loadState } from '../utils'
+
 import styles from './style.module.scss'
-import { Footer } from '../components/Footer/Footer'
 
 export const MainLayout = () => {
-  const dispatch: Dispatch = useDispatch()
+  const [searchParams, setSearchParams] = useSearchParams()
+  const navigate = useNavigate()
+  const dispatch = useAppDispatch()
+  const logout = useLogout()
+  const { findMetadata } = useNDKContext()
+  const { authAndGetMetadataAndRelaysMap } = useAuth()
+  const { getUsersAppData, subscribeForSigits } = useNDK()
+
   const [isLoading, setIsLoading] = useState(true)
   const [loadingSpinnerDesc, setLoadingSpinnerDesc] = useState(`Loading App`)
-  const authState = useSelector((state: State) => state.auth)
+  const isLoggedIn = useAppSelector((state) => state.auth?.loggedIn)
+  const authState = useAppSelector((state) => state.auth)
   const usersAppData = useAppSelector((state) => state.userAppData)
 
-  useEffect(() => {
-    const metadataController = new MetadataController()
+  // Ref to track if `subscribeForSigits` has been called
+  const hasSubscribed = useRef(false)
 
-    const logout = () => {
-      dispatch(
-        setAuthState({
-          keyPair: undefined,
-          loggedIn: false,
-          usersPubkey: undefined,
-          loginMethod: undefined,
-          nsecBunkerPubkey: undefined
-        })
-      )
+  const navigateAfterLogin = (path: string) => {
+    const callbackPath = searchParams.get('callbackPath')
 
-      dispatch(setMetadataEvent(metadataController.getEmptyMetadataEvent()))
-
-      // clear authToken saved in local storage
-      clearAuthToken()
-      clearState()
-
-      // update nsecBunker delegated key
-      const newDelegatedKey =
-        NostrController.getInstance().generateDelegatedKey()
-      saveNsecBunkerDelegatedKey(newDelegatedKey)
+    if (callbackPath) {
+      // base64 decoded path
+      const path = atob(callbackPath)
+      navigate(path)
+      return
     }
 
+    navigate(path)
+  }
+
+  const login = useCallback(async () => {
+    dispatch(updateLoginMethod(LoginMethod.nostrLogin))
+
+    const nostrController = NostrController.getInstance()
+    const pubkey = await nostrController.capturePublicKey()
+
+    const redirectPath = await authAndGetMetadataAndRelaysMap(pubkey)
+
+    if (redirectPath) {
+      navigateAfterLogin(redirectPath)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [dispatch])
+
+  useEffect(() => {
+    // Developer login with ?nsec= (not recommended)
+    const nsec = searchParams.get('nsec')
+    if (!nsec) return
+
+    // Clear nsec from the url immediately
+    searchParams.delete('nsec')
+    setSearchParams(searchParams)
+
+    if (!authState?.loggedIn) {
+      if (!nsec.startsWith('nsec')) {
+        console.error('Invalid format, use private key (nsec)')
+        return
+      }
+
+      try {
+        const privateKey = nip19.decode(nsec).data as Uint8Array
+        if (!privateKey) {
+          console.error('Failed to convert the private key.')
+          return
+        }
+
+        const publickey = getPublicKey(privateKey)
+
+        dispatch(
+          updateKeyPair({
+            private: nsec,
+            public: publickey
+          })
+        )
+        dispatch(updateLoginMethod(LoginMethod.privateKey))
+
+        authAndGetMetadataAndRelaysMap(publickey).catch((err) => {
+          console.error('Error occurred in authentication: ' + err)
+          return null
+        })
+      } catch (err) {
+        console.error(`Error decoding the nsec. ${err}`)
+      }
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [dispatch, searchParams])
+
+  useEffect(() => {
+    const handleNostrAuth = (_: string, opts: NostrLoginAuthOptions) => {
+      if (opts.type === 'login' || opts.type === 'signup') {
+        dispatch(updateNostrLoginAuthMethod(opts.method))
+        login()
+      } else if (opts.type === 'logout') {
+        // Clear `subscribeForSigits` as called after the logout
+        hasSubscribed.current = false
+      }
+    }
+
+    // Initialize the nostr-login
+    initNostrLogin({
+      methods: ['connect', 'extension', 'local'],
+      noBanner: true,
+      onAuth: handleNostrAuth,
+      outboxRelays: [
+        'wss://purplepag.es',
+        'wss://relay.nos.social',
+        'wss://user.kindpag.es',
+        'wss://relay.damus.io',
+        'wss://nos.lol',
+        'wss://relay.sigit.io'
+      ]
+    }).catch((error) => {
+      console.error('Failed to initialize Nostr-Login', error)
+    })
+
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [dispatch])
+
+  useEffect(() => {
     const restoredState = loadState()
     if (restoredState) {
       dispatch(restoreState(restoredState))
 
-      const { loggedIn, loginMethod, usersPubkey, nsecBunkerRelays } =
-        restoredState.auth
+      const { loggedIn, loginMethod, usersPubkey } = restoredState.auth
 
       if (loggedIn) {
         if (!loginMethod || !usersPubkey) return logout()
 
-        if (loginMethod === LoginMethods.nsecBunker) {
-          if (!nsecBunkerRelays) return logout()
-
-          const nostrController = NostrController.getInstance()
-          nostrController.nsecBunkerInit(nsecBunkerRelays).then(() => {
-            nostrController.createNsecBunkerSigner(usersPubkey)
-          })
-        }
-
-        const handleMetadataEvent = (event: Event) => {
-          dispatch(setMetadataEvent(event))
-        }
-
-        metadataController.on(usersPubkey, (kind: number, event: Event) => {
-          if (kind === kinds.Metadata) {
-            handleMetadataEvent(event)
-          }
-        })
-
-        metadataController.findMetadata(usersPubkey).then((metadataEvent) => {
-          if (metadataEvent) handleMetadataEvent(metadataEvent)
+        findMetadata(usersPubkey).then((profile) => {
+          dispatch(setUserProfile(profile))
         })
       } else {
         setIsLoading(false)
@@ -100,27 +173,26 @@ export const MainLayout = () => {
     } else {
       setIsLoading(false)
     }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [dispatch])
 
+  /**
+   * Subscribe for the sigits
+   */
   useEffect(() => {
-    let subCloser: SubCloser | null = null
-
-    if (authState.loggedIn && usersAppData) {
+    if (authState && isLoggedIn && usersAppData) {
       const pubkey = authState.usersPubkey || authState.keyPair?.public
 
-      if (pubkey) {
-        subscribeForSigits(pubkey).then((res) => {
-          subCloser = res || null
-        })
-      }
-    }
+      if (pubkey && !hasSubscribed.current) {
+        // Call `subscribeForSigits` only if it hasn't been called before
+        // #193 disabled websocket subscribtion, until #194 is done
+        subscribeForSigits(pubkey)
 
-    return () => {
-      if (subCloser) {
-        subCloser.close()
+        // Mark `subscribeForSigits` as called
+        hasSubscribed.current = true
       }
     }
-  }, [authState, usersAppData])
+  }, [authState, isLoggedIn, usersAppData, subscribeForSigits])
 
   /**
    * When authState change user logged in / or app reloaded
@@ -128,7 +200,7 @@ export const MainLayout = () => {
    * so that avatar will be consistent across the app when kind 0 is empty
    */
   useEffect(() => {
-    if (authState && authState.loggedIn) {
+    if (authState && isLoggedIn) {
       const pubkey = authState.usersPubkey || authState.keyPair?.public
 
       if (pubkey) {
@@ -136,7 +208,7 @@ export const MainLayout = () => {
       }
 
       setIsLoading(true)
-      setLoadingSpinnerDesc(`Loading SIGit History`)
+      setLoadingSpinnerDesc(`Loading SIGit history...`)
       getUsersAppData()
         .then((appData) => {
           if (appData) {
@@ -145,17 +217,26 @@ export const MainLayout = () => {
         })
         .finally(() => setIsLoading(false))
     }
-  }, [authState])
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [dispatch, isLoggedIn])
 
   if (isLoading) return <LoadingSpinner desc={loadingSpinnerDesc} />
 
+  const isDev = import.meta.env.MODE === 'development'
+
   return (
     <>
       <AppBar />
-      <main className={styles.main}>
+      <main
+        className={styles.main}
+        // Add dev debug flag to show special dev css
+        // (visible marks border on verify)
+        {...(isDev && {
+          'data-dev': true
+        })}
+      >
         <Outlet />
       </main>
-      <Footer />
     </>
   )
 }

src/layouts/StickySideColumns.module.scss

@@ -0,0 +1,104 @@
+@import '../styles/colors.scss';
+@import '../styles/sizes.scss';
+
+.container {
+  display: grid;
+
+  @media only screen and (max-width: 767px) {
+    gap: 20px;
+    grid-auto-flow: column;
+    grid-auto-columns: 100%;
+
+    // Hide Scrollbar and let's use tabs to navigate
+    -ms-overflow-style: none; /* Internet Explorer 10+ */
+    scrollbar-width: none; /* Firefox */
+    &::-webkit-scrollbar {
+      display: none; /* Safari and Chrome */
+    }
+    overflow-x: auto;
+    overscroll-behavior-inline: contain;
+    scroll-snap-type: inline mandatory;
+
+    > * {
+      scroll-margin-top: $header-height + $body-vertical-padding;
+      scroll-snap-align: start;
+      scroll-snap-stop: always; // Touch devices will always stop on each element
+    }
+  }
+
+  @media only screen and (min-width: 768px) {
+    grid-template-columns: 0.75fr 1.5fr 0.75fr;
+    gap: 30px;
+  }
+}
+
+.sidesWrap {
+  position: relative;
+
+  // HACK: Stop grid column from growing
+  min-width: 0;
+}
+
+.sides {
+  @media only screen and (min-width: 768px) {
+    position: sticky;
+    top: $body-vertical-padding;
+  }
+  > :first-child {
+    // We want to keep header on smaller devices at all times
+    max-height: calc(
+      100dvh - $header-height - $body-vertical-padding * 2 - $tabs-height
+    );
+
+    @media only screen and (min-width: 768px) {
+      max-height: calc(100dvh - $body-vertical-padding * 2);
+    }
+  }
+}
+
+// Adjust the content scroll on smaller screens
+// Make sure only the inner tab is scrolling
+.scrollAdjust {
+  @media only screen and (max-width: 767px) {
+    max-height: calc(
+      100svh - $header-height - $body-vertical-padding * 2 - $tabs-height
+    );
+    overflow-y: auto;
+  }
+}
+
+.content {
+  @media only screen and (min-width: 768px) {
+    padding: 10px;
+    border: 10px solid $overlay-background-color;
+    border-radius: 4px;
+  }
+}
+
+.navTabs {
+  display: none;
+  position: fixed;
+  left: 0;
+  bottom: 0;
+  right: 0;
+  height: $tabs-height;
+  z-index: 2;
+  background: $overlay-background-color;
+  box-shadow: 0 0 4px 0 rgb(0, 0, 0, 0.1);
+
+  padding: 5px;
+  gap: 5px;
+
+  @media only screen and (max-width: 767px) {
+    display: flex;
+  }
+
+  > li {
+    flex-grow: 1;
+  }
+}
+
+.active {
+  background-color: $primary-main !important;
+  color: white !important;
+}

src/layouts/StickySideColumns.tsx

@@ -0,0 +1,147 @@
+import {
+  PropsWithChildren,
+  ReactNode,
+  useEffect,
+  useRef,
+  useState
+} from 'react'
+
+import styles from './StickySideColumns.module.scss'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { IconDefinition } from '@fortawesome/free-solid-svg-icons'
+import { Button } from '@mui/material'
+
+interface StickySideColumnsProps {
+  left: ReactNode
+  right: ReactNode
+  leftIcon: IconDefinition
+  centerIcon: IconDefinition
+  rightIcon: IconDefinition
+}
+
+const DEFAULT_TAB = 'nav-content'
+export const StickySideColumns = ({
+  left,
+  right,
+  leftIcon,
+  centerIcon,
+  rightIcon,
+  children
+}: PropsWithChildren<StickySideColumnsProps>) => {
+  const [tab, setTab] = useState(DEFAULT_TAB)
+  const ref = useRef<HTMLDivElement>(null)
+  const tabsRefs = useRef<{ [id: string]: HTMLDivElement | null }>({})
+  const handleNavClick = (id: string) => {
+    if (ref.current && tabsRefs.current) {
+      const x = tabsRefs.current[id]?.offsetLeft
+      ref.current.scrollTo({
+        left: x,
+        behavior: 'smooth'
+      })
+    }
+  }
+  const isActive = (id: string) => id === tab
+
+  useEffect(() => {
+    setTab(DEFAULT_TAB)
+    handleNavClick(DEFAULT_TAB)
+  }, [])
+
+  useEffect(() => {
+    const tabs = tabsRefs.current
+    // Set up the observer
+    const observer = new IntersectionObserver(
+      (entries) => {
+        entries.forEach((entry) => {
+          if (entry.isIntersecting) {
+            setTab(entry.target.id)
+          }
+        })
+      },
+      {
+        root: ref.current,
+        threshold: 0.5,
+        rootMargin: '-20px'
+      }
+    )
+
+    if (tabs) {
+      Object.values(tabs).forEach((tab) => {
+        if (tab) observer.observe(tab)
+      })
+    }
+
+    return () => {
+      if (tabs) {
+        Object.values(tabs).forEach((tab) => {
+          if (tab) observer.unobserve(tab)
+        })
+      }
+    }
+  }, [])
+
+  return (
+    <>
+      <div className={styles.container} ref={ref}>
+        <div
+          id="nav-left"
+          className={styles.sidesWrap}
+          ref={(tab) => (tabsRefs.current['nav-left'] = tab)}
+        >
+          <div className={styles.sides}>{left}</div>
+        </div>
+        <div
+          id="nav-content"
+          className={styles.scrollAdjust}
+          ref={(tab) => (tabsRefs.current['nav-content'] = tab)}
+        >
+          <div id="content-preview" className={styles.content}>
+            {children}
+          </div>
+        </div>
+        <div
+          id="nav-right"
+          className={styles.sidesWrap}
+          ref={(tab) => (tabsRefs.current['nav-right'] = tab)}
+        >
+          <div className={styles.sides}>{right}</div>
+        </div>
+      </div>
+      <ul className={styles.navTabs}>
+        <li>
+          <Button
+            fullWidth
+            variant="text"
+            onClick={() => handleNavClick('nav-left')}
+            className={`${isActive('nav-left') && styles.active}`}
+            aria-label="nav left"
+          >
+            <FontAwesomeIcon icon={leftIcon} />
+          </Button>
+        </li>
+        <li>
+          <Button
+            fullWidth
+            variant="text"
+            onClick={() => handleNavClick('nav-content')}
+            className={`${isActive('nav-content') && styles.active}`}
+            aria-label="nav middle"
+          >
+            <FontAwesomeIcon icon={centerIcon} />
+          </Button>
+        </li>
+        <li>
+          <Button
+            fullWidth
+            variant="text"
+            onClick={() => handleNavClick('nav-right')}
+            className={`${isActive('nav-right') && styles.active}`}
+            aria-label="nav right"
+          >
+            <FontAwesomeIcon icon={rightIcon} />
+          </Button>
+        </li>
+      </ul>
+    </>
+  )
+}

src/layouts/modal/index.tsx

@@ -33,7 +33,7 @@ export const Modal = () => {
     { to: appPublicRoutes.register, title: 'Register', label: 'Register' },
     {
       to: appPublicRoutes.nostr,
-      title: 'Login',
+      title: 'Nostr Login',
       sx: { padding: '10px' },
       label: <img src={nostrImage} width="25" alt="nostr logo" height="25" />
     }

src/layouts/modal/style.module.scss

@@ -5,7 +5,7 @@ $default-modal-padding: 15px 25px;
 .modal {
   position: absolute;
   top: 0;
-  left: 50%;
+  left: calc(50% - 10px);
   transform: translate(-50%, 0);
 
   background-color: $overlay-background-color;
@@ -16,6 +16,8 @@ $default-modal-padding: 15px 25px;
   flex-direction: column;
 
   border-radius: 4px;
+
+  margin: 25px 10px;
 }
 
 .header {

src/layouts/style.module.scss

@@ -3,6 +3,5 @@
 
 .main {
   flex-grow: 1;
-  padding: $header-height + $body-vertical-padding 0 $body-vertical-padding 0;
-  background-color: $body-background-color;
+  padding: $body-vertical-padding 0 $body-vertical-padding 0;
 }

src/main.tsx

@@ -11,13 +11,13 @@ import './index.css'
 import store from './store/store.ts'
 import { theme } from './theme'
 import { saveState } from './utils'
+import { NDKContextProvider } from './contexts/NDKContext'
 
 store.subscribe(
   _.throttle(() => {
     saveState({
       auth: store.getState().auth,
-      metadata: store.getState().metadata,
-      userRobotImage: store.getState().userRobotImage,
+      user: store.getState().user,
       relays: store.getState().relays
     })
   }, 1000)
@@ -28,7 +28,9 @@ ReactDOM.createRoot(document.getElementById('root')!).render(
     <CssVarsProvider theme={theme}>
       <HashRouter>
         <Provider store={store}>
-          <App />
+          <NDKContextProvider>
+            <App />
+          </NDKContextProvider>
           <ToastContainer />
         </Provider>
       </HashRouter>

src/pages/create/style.module.scss

@@ -1,41 +1,242 @@
 @import '../../styles/colors.scss';
 
-.container {
+.flexWrap {
   display: flex;
   flex-direction: column;
-  color: $text-color;
-  margin-top: 10px;
-  gap: 10px;
-  width: 550px;
-  max-width: 550px;
+  gap: 15px;
 
-  .inputBlock {
-    display: flex;
-    flex-direction: column;
-    gap: 25px;
-  }
+  container-type: inline-size;
 }
 
-.subHeader {
-  border-bottom: 0.5px solid;
-}
+.orderedFilesList {
+  counter-reset: item;
+  list-style-type: none;
+  margin: 0;
 
-.tableHeaderCell {
-  border-right: 1px solid rgba(224, 224, 224, 1);
-}
-
-.tableCell {
-  border-right: 1px solid rgba(224, 224, 224, 1);
-  height: 56px;
-
-  .user {
+  li {
     display: flex;
     align-items: center;
+
+    transition: ease 0.4s;
+    border-radius: 4px;
+    background: #ffffff;
+    padding: 7px 10px;
+    color: rgba(0, 0, 0, 0.5);
+    min-height: 45px;
+    cursor: pointer;
     gap: 10px;
 
-    .name {
-      text-align: center;
-      cursor: pointer;
+    &::before {
+      content: counter(item) ' ';
+      counter-increment: item;
+      font-size: 14px;
+    }
+    :nth-child(1) {
+      flex-grow: 1;
+
+      font-size: 16px;
+
+      white-space: nowrap;
+      text-overflow: ellipsis;
+      overflow: hidden;
+    }
+
+    button {
+      min-width: 44px;
+      color: $primary-main;
+    }
+
+    &:hover,
+    &.active,
+    &:focus-within {
+      background: $primary-main;
+      color: white;
+
+      button {
+        color: white;
+      }
     }
   }
-}
+}
+
+.uploadFileText {
+  margin-left: 12px;
+}
+
+.paperGroup {
+  border-radius: 4px;
+  background: white;
+  padding: 15px;
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+  overflow-x: hidden;
+  overflow-y: auto;
+}
+
+.inputWrapper {
+  display: flex;
+  align-items: center;
+  flex-shrink: 0;
+
+  height: 36px;
+  overflow: hidden;
+  border-radius: 4px;
+  outline: solid 1px #dddddd;
+  background: white;
+
+  width: 100%;
+
+  &:focus-within {
+    outline-color: $primary-main;
+  }
+
+  // Override default MUI input styles only inside inputWrapepr
+  :global {
+    .MuiInputBase-input {
+      padding: 7px 14px;
+    }
+    .MuiOutlinedInput-notchedOutline {
+      display: none;
+    }
+  }
+}
+
+.addCounterpart {
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: start;
+  gap: 10px;
+
+  > .inputWrapper {
+    flex-shrink: 1;
+  }
+
+  button {
+    min-width: 44px;
+    padding: 11px 12px;
+  }
+}
+
+.users {
+  flex-shrink: 0;
+  max-height: 33vh;
+
+  .counterpartToggleButton {
+    min-width: 44px;
+    padding: 11px 12px;
+  }
+}
+
+.user {
+  display: flex;
+  gap: 10px;
+
+  font-size: 14px;
+  text-align: start;
+  justify-content: center;
+  align-items: center;
+
+  a:hover {
+    text-decoration: none;
+  }
+
+  // Higher specificify to override default button styles
+  .counterpartRowToggleButton {
+    min-width: 34px;
+    height: 34px;
+    padding: 0;
+  }
+}
+
+.counterpartRowToggleButton {
+  &[data-variant='primary'] {
+    color: $primary-main;
+  }
+  &[data-variant='secondary'] {
+    color: rgba(0, 0, 0, 0.35);
+  }
+}
+
+.avatar {
+  flex-grow: 1;
+  min-width: 0;
+
+  &:first-child {
+    margin-left: 24px;
+  }
+
+  img {
+    // Override the default avatar size
+    width: 30px;
+    height: 30px;
+  }
+}
+
+.fileName {
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  overflow: hidden;
+  flex-grow: 1;
+}
+
+.toolbox {
+  display: grid;
+  grid-template-columns: 1fr;
+
+  @container (min-width: 204px) {
+    grid-template-columns: repeat(2, 1fr);
+  }
+
+  @container (min-width: 309px) {
+    grid-template-columns: repeat(3, 1fr);
+  }
+
+  gap: 15px;
+
+  overflow-x: hidden;
+  overflow-y: auto;
+
+  container-type: inline-size;
+}
+
+.toolItem {
+  transition: ease 0.2s;
+  display: flex;
+  flex-direction: column;
+  gap: 5px;
+  border-radius: 4px;
+  padding: 10px 5px 5px 5px;
+  background: rgba(0, 0, 0, 0.05);
+  color: rgba(0, 0, 0, 0.5);
+
+  text-align: center;
+  align-items: center;
+  justify-content: center;
+  font-size: 14px;
+  cursor: pointer;
+  -webkit-user-select: none;
+  user-select: none;
+
+  &.selected {
+    background: $primary-main;
+    color: white;
+  }
+
+  &:not(.selected, .comingSoon) {
+    &:hover {
+      background: $primary-light;
+      color: white;
+    }
+  }
+
+  &.comingSoon {
+    opacity: 0.5;
+    cursor: not-allowed;
+  }
+}
+
+.comingSoonPlaceholder {
+  font-size: 10px;
+}

src/pages/home/index.tsx

@@ -1,384 +1,268 @@
-import { CalendarMonth, Description, Upload } from '@mui/icons-material'
-import { Box, Button, Tooltip, Typography } from '@mui/material'
-import JSZip from 'jszip'
-import { Event, kinds, verifyEvent } from 'nostr-tools'
-import { Dispatch, SetStateAction, useEffect, useRef, useState } from 'react'
-import { useNavigate } from 'react-router-dom'
+import { Button, TextField } from '@mui/material'
+import { useCallback, useEffect, useState } from 'react'
+import { useNavigate, useSearchParams } from 'react-router-dom'
 import { toast } from 'react-toastify'
-import { UserAvatar } from '../../components/UserAvatar'
-import { MetadataController } from '../../controllers'
 import { useAppSelector } from '../../hooks'
-import { appPrivateRoutes, appPublicRoutes } from '../../routes'
-import { CreateSignatureEventContent, Meta, ProfileMetadata } from '../../types'
-import {
-  formatTimestamp,
-  hexToNpub,
-  npubToHex,
-  parseJson,
-  shorten
-} from '../../utils'
-import styles from './style.module.scss'
+import { appPrivateRoutes } from '../../routes'
+import { Meta } from '../../types'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faSearch } from '@fortawesome/free-solid-svg-icons'
+import { Select } from '../../components/Select'
+import { DisplaySigit } from '../../components/DisplaySigit'
+import { useDropzone } from 'react-dropzone'
 import { Container } from '../../components/Container'
+import styles from './style.module.scss'
+import {
+  extractSigitCardDisplayInfo,
+  navigateFromZip,
+  SigitCardDisplayInfo,
+  SigitStatus
+} from '../../utils'
+import { Footer } from '../../components/Footer/Footer'
+
+// Unsupported Filter options are commented
+const FILTERS = [
+  'Show all',
+  // 'Drafts',
+  'In-progress',
+  'Completed'
+  // 'Archived'
+] as const
+type Filter = (typeof FILTERS)[number]
+
+const SORT_BY = [
+  {
+    label: 'Newest',
+    value: 'desc'
+  },
+  { label: 'Oldest', value: 'asc' }
+] as const
+type Sort = (typeof SORT_BY)[number]['value']
 
 export const HomePage = () => {
   const navigate = useNavigate()
-  const fileInputRef = useRef<HTMLInputElement>(null)
-  const [sigits, setSigits] = useState<Meta[]>([])
-  const [profiles, setProfiles] = useState<{ [key: string]: ProfileMetadata }>(
-    {}
-  )
-  const usersAppData = useAppSelector((state) => state.userAppData)
+  const [searchParams, setSearchParams] = useSearchParams()
+  const q = searchParams.get('q') ?? ''
 
   useEffect(() => {
-    if (usersAppData) {
-      setSigits(Object.values(usersAppData.sigits))
+    const searchInput = document.getElementById('q') as HTMLInputElement | null
+    if (searchInput) {
+      searchInput.value = q
     }
-  }, [usersAppData])
+  }, [q])
 
-  const handleUploadClick = () => {
-    if (fileInputRef.current) {
-      fileInputRef.current.click()
-    }
-  }
+  const [sigits, setSigits] = useState<{ [key: string]: Meta }>({})
+  const [parsedSigits, setParsedSigits] = useState<{
+    [key: string]: SigitCardDisplayInfo
+  }>({})
+  const usersAppData = useAppSelector((state) => state.userAppData)
+  const usersPubkey = useAppSelector((state) => state.auth.usersPubkey)
 
-  const handleFileChange = async (
-    event: React.ChangeEvent<HTMLInputElement>
-  ) => {
-    const file = event.target.files?.[0]
-    if (file) {
-      // Check if the file extension is .sigit.zip
-      const fileName = file.name
-      const fileExtension = fileName.slice(-10) // ".sigit.zip" has 10 characters
-      if (fileExtension === '.sigit.zip') {
-        const zip = await JSZip.loadAsync(file).catch((err) => {
-          console.log('err in loading zip file :>> ', err)
-          toast.error(err.message || 'An error occurred in loading zip file.')
-          return null
+  useEffect(() => {
+    if (usersAppData?.sigits) {
+      const getSigitInfo = async () => {
+        const parsedSigits: { [key: string]: SigitCardDisplayInfo } = {}
+        for (const key in usersAppData.sigits) {
+          if (Object.prototype.hasOwnProperty.call(usersAppData.sigits, key)) {
+            const sigitInfo = extractSigitCardDisplayInfo(
+              usersAppData.sigits[key]
+            )
+            if (sigitInfo) {
+              parsedSigits[key] = sigitInfo
+            }
+          }
+        }
+
+        setParsedSigits({
+          ...parsedSigits
         })
+      }
 
-        if (!zip) return
+      setSigits(usersAppData.sigits)
+      getSigitInfo()
+    }
+  }, [usersAppData?.sigits])
 
-        // navigate to sign page if zip contains keys.json
-        if ('keys.json' in zip.files) {
-          return navigate(appPrivateRoutes.sign, {
-            state: { uploadedZip: file }
-          })
+  const onDrop = useCallback(
+    async (acceptedFiles: File[]) => {
+      // When uploading single file check if it's .sigit.zip
+      if (acceptedFiles.length === 1) {
+        const file = acceptedFiles[0]
+
+        // Check if the file extension is .sigit.zip
+        const fileName = file.name
+        const fileExtension = fileName.slice(-10) // ".sigit.zip" has 10 characters
+        if (fileExtension === '.sigit.zip') {
+          const nav = await navigateFromZip(
+            file,
+            usersPubkey as `npub1${string}`
+          )
+
+          if (nav) return navigate(nav.to, nav.options)
+
+          toast.error('Invalid SiGit zip file')
+          return
         }
-
-        // navigate to verify page if zip contains meta.json
-        if ('meta.json' in zip.files) {
-          return navigate(appPublicRoutes.verify, {
-            state: { uploadedZip: file }
-          })
-        }
-
-        toast.error('Invalid zip file')
-        return
       }
 
       // navigate to create page
-      navigate(appPrivateRoutes.create, { state: { uploadedFile: file } })
-    }
-  }
-
-  return (
-    <Container className={styles.container}>
-      <Box className={styles.header}>
-        <Typography variant="h3" className={styles.title}>
-          Sigits
-        </Typography>
-        {/* This is for desktop view */}
-        <Box
-          className={styles.actionButtons}
-          sx={{
-            display: {
-              xs: 'none',
-              md: 'flex'
-            }
-          }}
-        >
-          <input
-            type="file"
-            ref={fileInputRef}
-            style={{ display: 'none' }}
-            onChange={handleFileChange}
-          />
-          <Button
-            variant="outlined"
-            startIcon={<Upload />}
-            onClick={handleUploadClick}
-          >
-            Upload
-          </Button>
-        </Box>
-        {/* This is for mobile view */}
-        <Box
-          className={styles.actionButtons}
-          sx={{
-            display: {
-              xs: 'flex',
-              md: 'none'
-            }
-          }}
-        >
-          <Tooltip title="Upload" arrow>
-            <Button variant="outlined" onClick={handleUploadClick}>
-              <Upload />
-            </Button>
-          </Tooltip>
-        </Box>
-      </Box>
-      <Box className={styles.submissions}>
-        {sigits.map((sigit, index) => (
-          <DisplaySigit
-            key={`sigit-${index}`}
-            meta={sigit}
-            profiles={profiles}
-            setProfiles={setProfiles}
-          />
-        ))}
-      </Box>
-    </Container>
-  )
-}
-
-type SigitProps = {
-  meta: Meta
-  profiles: { [key: string]: ProfileMetadata }
-  setProfiles: Dispatch<SetStateAction<{ [key: string]: ProfileMetadata }>>
-}
-
-enum SignedStatus {
-  Partial = 'Partially Signed',
-  Complete = 'Completely Signed'
-}
-
-const DisplaySigit = ({ meta, profiles, setProfiles }: SigitProps) => {
-  const navigate = useNavigate()
-
-  const [title, setTitle] = useState<string>()
-  const [createdAt, setCreatedAt] = useState('')
-  const [submittedBy, setSubmittedBy] = useState<string>()
-  const [signers, setSigners] = useState<`npub1${string}`[]>([])
-  const [signedStatus, setSignedStatus] = useState<SignedStatus>(
-    SignedStatus.Partial
+      navigate(appPrivateRoutes.create, {
+        state: { uploadedFiles: acceptedFiles }
+      })
+    },
+    [navigate, usersPubkey]
   )
 
-  useEffect(() => {
-    const extractInfo = async () => {
-      const createSignatureEvent = await parseJson<Event>(
-        meta.createSignature
-      ).catch((err) => {
-        console.log('err in parsing the createSignature event:>> ', err)
-        toast.error(
-          err.message || 'error occurred in parsing the create signature event'
-        )
-        return null
+  const { getRootProps, getInputProps, isDragActive, open } = useDropzone({
+    onDrop,
+    noClick: true
+  })
+
+  const [filter, setFilter] = useState<Filter>('Show all')
+  const [sort, setSort] = useState<Sort>('desc')
+
+  const renderSubmissions = () => {
+    const submissions = Object.keys(parsedSigits)
+      .filter((s) => {
+        const { title, signedStatus } = parsedSigits[s]
+        const isMatch = title?.toLowerCase().includes(q.toLowerCase())
+        switch (filter) {
+          case 'Completed':
+            return signedStatus === SigitStatus.Complete && isMatch
+          case 'In-progress':
+            return signedStatus === SigitStatus.Partial && isMatch
+          case 'Show all':
+            return isMatch
+          default:
+            console.error('Filter case not handled.')
+        }
+      })
+      .sort((a, b) => {
+        const x = parsedSigits[a].createdAt ?? 0
+        const y = parsedSigits[b].createdAt ?? 0
+        return sort === 'desc' ? y - x : x - y
       })
 
-      if (!createSignatureEvent) return
-
-      // created_at in nostr events are stored in seconds
-      // convert it to ms before formatting
-      setCreatedAt(formatTimestamp(createSignatureEvent.created_at * 1000))
-
-      const createSignatureContent =
-        await parseJson<CreateSignatureEventContent>(
-          createSignatureEvent.content
-        ).catch((err) => {
-          console.log(
-            `err in parsing the createSignature event's content :>> `,
-            err
-          )
-          return null
-        })
-
-      if (!createSignatureContent) return
-
-      setTitle(createSignatureContent.title)
-      setSubmittedBy(createSignatureEvent.pubkey)
-      setSigners(createSignatureContent.signers)
-
-      const signedBy = Object.keys(meta.docSignatures) as `npub1${string}`[]
-      const isCompletelySigned = createSignatureContent.signers.every(
-        (signer) => signedBy.includes(signer)
-      )
-      if (isCompletelySigned) {
-        setSignedStatus(SignedStatus.Complete)
-      }
-    }
-    extractInfo()
-  }, [meta])
-
-  useEffect(() => {
-    const hexKeys: string[] = []
-
-    if (submittedBy) {
-      hexKeys.push(npubToHex(submittedBy)!)
-    }
-    hexKeys.push(...signers.map((signer) => npubToHex(signer)!))
-
-    const metadataController = new MetadataController()
-    hexKeys.forEach((key) => {
-      if (!(key in profiles)) {
-        const handleMetadataEvent = (event: Event) => {
-          const metadataContent =
-            metadataController.extractProfileMetadataContent(event)
-
-          if (metadataContent)
-            setProfiles((prev) => ({
-              ...prev,
-              [key]: metadataContent
-            }))
-        }
-
-        metadataController.on(key, (kind: number, event: Event) => {
-          if (kind === kinds.Metadata) {
-            handleMetadataEvent(event)
-          }
-        })
-
-        metadataController
-          .findMetadata(key)
-          .then((metadataEvent) => {
-            if (metadataEvent) handleMetadataEvent(metadataEvent)
-          })
-          .catch((err) => {
-            console.error(`error occurred in finding metadata for: ${key}`, err)
-          })
-      }
-    })
-  }, [submittedBy, signers])
-
-  const handleNavigation = () => {
-    if (signedStatus === SignedStatus.Complete) {
-      navigate(appPublicRoutes.verify, { state: { meta } })
+    if (submissions.length) {
+      return submissions.map((key) => (
+        <DisplaySigit
+          key={`sigit-${key}`}
+          sigitCreateId={key}
+          parsedMeta={parsedSigits[key]}
+          meta={sigits[key]}
+        />
+      ))
     } else {
-      navigate(appPrivateRoutes.sign, { state: { meta } })
+      return (
+        <div className={styles.noResults}>
+          <p>No results</p>
+        </div>
+      )
     }
   }
 
   return (
-    <Box
-      className={styles.item}
-      sx={{
-        flexDirection: {
-          xs: 'column',
-          md: 'row'
-        }
-      }}
-      onClick={handleNavigation}
-    >
-      <Box
-        className={styles.titleBox}
-        sx={{
-          borderBottomLeftRadius: {
-            xs: 'initial',
-            md: 'inherit'
-          },
-          borderTopRightRadius: {
-            xs: 'inherit',
-            md: 'initial'
-          }
-        }}
-      >
-        <Typography variant="body1" className={styles.title}>
-          <Description />
-          {title}
-        </Typography>
-        {submittedBy &&
-          (function () {
-            const profile = profiles[submittedBy]
-            return (
-              <UserAvatar
-                pubkey={submittedBy}
-                name={
-                  profile?.display_name ||
-                  profile?.name ||
-                  shorten(hexToNpub(submittedBy))
+    <div {...getRootProps()} tabIndex={-1}>
+      <Container className={styles.container}>
+        <div className={styles.header}>
+          <div className={styles.filters}>
+            <Select
+              name={'filter-select'}
+              value={filter}
+              setValue={setFilter}
+              options={FILTERS.map((f) => {
+                return {
+                  label: f,
+                  value: f
                 }
-                image={profile?.picture}
-              />
-            )
-          })()}
-        <Typography variant="body2" className={styles.date}>
-          <CalendarMonth />
-          {createdAt}
-        </Typography>
-      </Box>
-      <Box className={styles.signers}>
-        {signers.map((signer) => {
-          const pubkey = npubToHex(signer)!
-          const profile = profiles[pubkey]
-
-          return (
-            <DisplaySigner
-              key={signer}
-              meta={meta}
-              profile={profile}
-              pubkey={pubkey}
+              })}
             />
-          )
-        })}
-      </Box>
-    </Box>
-  )
-}
-
-enum SignStatus {
-  Signed = 'Signed',
-  Pending = 'Pending',
-  Invalid = 'Invalid Sign'
-}
-
-type DisplaySignerProps = {
-  meta: Meta
-  profile: ProfileMetadata
-  pubkey: string
-}
-
-const DisplaySigner = ({ meta, profile, pubkey }: DisplaySignerProps) => {
-  const [signStatus, setSignedStatus] = useState<SignStatus>()
-
-  useEffect(() => {
-    const updateSignStatus = async () => {
-      const npub = hexToNpub(pubkey)
-      if (npub in meta.docSignatures) {
-        parseJson<Event>(meta.docSignatures[npub])
-          .then((event) => {
-            const isValidSignature = verifyEvent(event)
-            if (isValidSignature) {
-              setSignedStatus(SignStatus.Signed)
-            } else {
-              setSignedStatus(SignStatus.Invalid)
-            }
-          })
-          .catch((err) => {
-            console.log(`err in parsing the docSignatures for ${npub}:>> `, err)
-            setSignedStatus(SignStatus.Invalid)
-          })
-      } else {
-        setSignedStatus(SignStatus.Pending)
-      }
-    }
-
-    updateSignStatus()
-  }, [meta, pubkey])
-
-  return (
-    <Box className={styles.signerItem}>
-      <Typography variant="button" className={styles.status}>
-        {signStatus}
-      </Typography>
-      <UserAvatar
-        pubkey={pubkey}
-        name={
-          profile?.display_name ||
-          profile?.name ||
-          shorten(hexToNpub(pubkey), 5)
-        }
-        image={profile?.picture}
-      />
-    </Box>
+            <Select
+              name={'sort-select'}
+              value={sort}
+              setValue={setSort}
+              options={SORT_BY.map((s) => {
+                return { ...s }
+              })}
+            />
+          </div>
+          <div className={styles.actionButtons}>
+            <form
+              className={styles.search}
+              onSubmit={(e) => {
+                e.preventDefault()
+                const searchInput = e.currentTarget.elements.namedItem(
+                  'q'
+                ) as HTMLInputElement
+                searchParams.set('q', searchInput.value)
+                setSearchParams(searchParams)
+              }}
+            >
+              <TextField
+                id="q"
+                name="q"
+                placeholder="Search"
+                size="small"
+                type="search"
+                defaultValue={q}
+                onChange={(e) => {
+                  // Handle the case when users click native search input's clear or x
+                  if (e.currentTarget.value === '') {
+                    searchParams.delete('q')
+                    setSearchParams(searchParams)
+                  }
+                }}
+                sx={{
+                  width: '100%',
+                  fontSize: '16px',
+                  borderTopLeftRadius: 'var(----mui-shape-borderRadius)',
+                  borderBottomLeftRadius: 'var(----mui-shape-borderRadius)',
+                  '& .MuiInputBase-root': {
+                    borderTopRightRadius: 0,
+                    borderBottomRightRadius: 0
+                  },
+                  '& .MuiInputBase-input': {
+                    padding: '7px 14px'
+                  },
+                  '& .MuiOutlinedInput-notchedOutline': {
+                    display: 'none'
+                  }
+                }}
+              />
+              <Button
+                type="submit"
+                sx={{
+                  minWidth: '44px',
+                  padding: '11.5px 12px',
+                  borderTopLeftRadius: 0,
+                  borderBottomLeftRadius: 0
+                }}
+                variant={'contained'}
+                aria-label="submit search"
+              >
+                <FontAwesomeIcon icon={faSearch} />
+              </Button>
+            </form>
+          </div>
+        </div>
+        <button
+          className={`${styles.dropzone} ${isDragActive ? styles.isDragActive : ''}`}
+          tabIndex={0}
+          onClick={open}
+          type="button"
+          aria-label="upload files"
+        >
+          <input id="file-upload" {...getInputProps()} />
+          {isDragActive ? (
+            <label htmlFor="file-upload">Drop the files here ...</label>
+          ) : (
+            <label htmlFor="file-upload">Click or drag files to upload!</label>
+          )}
+        </button>
+
+        <div className={styles.submissions}>{renderSubmissions()}</div>
+      </Container>
+      <Footer />
+    </div>
   )
 }