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Urko
2026-01-29 16:13:04 +00:00
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.next
node_modules
.pnpm-store
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
.git
.gitignore
.DS_Store
*.local
.env
.env.*

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name: build
on:
push:
branches:
- main
- feature-*
tags:
- "v*"
jobs:
lint:
name: lint
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Setup Node.js
uses: actions/setup-node@v4
with:
node-version: "24"
cache: "pnpm"
- name: Enable corepack
run: corepack enable
- name: Install deps
run: pnpm install --frozen-lockfile
- name: Lint
run: pnpm run lint
build:
name: build
runs-on: ubuntu-latest
needs: [lint]
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Setup Node.js
uses: actions/setup-node@v4
with:
node-version: "24"
cache: "pnpm"
- name: Enable corepack
run: corepack enable
- name: Install deps
run: pnpm install --frozen-lockfile
- name: Build (skip lint in build)
env:
NEXT_DISABLE_ESLINT: "1"
run: pnpm run build
- name: Upload build artifacts
if: startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/main'
uses: actions/upload-artifact@v4
with:
name: polynote-next-build
path: |
.next/standalone
.next/static
public

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name: Build & Publish Binaries
on:
push:
branches:
- feature-*
- main
tags:
- 'v*'
jobs:
lint:
name: Lint
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Setup Go
uses: actions/setup-go@v5
with:
go-version: "1.25.5"
- name: Run golangci-lint
uses: golangci/golangci-lint-action@v7
with:
args: --timeout=5m
test:
name: Test
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Setup Go
uses: actions/setup-go@v5
with:
go-version: '1.25.5'
- name: Run tests
run: go test -cover ./...
build:
name: Build
runs-on: ubuntu-latest
needs: [lint, test]
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Setup Go
uses: actions/setup-go@v5
with:
go-version: '1.25.5'
- name: Build binaries (Linux & Windows)
run: make build-all
- name: List built binaries
run: ls -lh ./bin/
- name: Collect tag name
if: startsWith(github.ref, 'refs/tags/')
id: vars
run: echo "tag=${GITHUB_REF_NAME}" >> "$GITHUB_OUTPUT"
- name: Create release
if: startsWith(github.ref, 'refs/tags/')
id: create_release
uses: actions/create-release@v1
with:
tag_name: ${{ steps.vars.outputs.tag }}
release_name: Release ${{ steps.vars.outputs.tag }}
draft: false
prerelease: false
env:
GITHUB_TOKEN: ${{ secrets.CI_PIPELINE }}
- name: Upload release binaries
if: startsWith(github.ref, 'refs/tags/')
env:
TOKEN: ${{ secrets.CI_PIPELINE }}
URL: ${{ steps.create_release.outputs.upload_url }}
run: |
set -eo pipefail
for FILE in ./bin/*; do
NAME=$(basename "$FILE")
echo "🔼 Uploading $NAME ..."
curl -sS -X POST -H "Authorization: token $TOKEN" \
-H "Content-Type: application/octet-stream" \
--data-binary @"$FILE" \
"$URL?name=$NAME" \
-w "\n→ HTTP %{http_code} for $NAME\n"
done

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.next
node_modules
.env.local
.env
dist
coverage
*.log

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.next
node_modules
pnpm-lock.yaml
package-lock.json
yarn.lock

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{
"singleQuote": false,
"semi": true,
"trailingComma": "es5",
"printWidth": 100
}

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# Multi-stage build for PolyNote (Next.js 15 + pnpm)
FROM node:24-bookworm-slim AS base
ENV PNPM_HOME="/pnpm"
ENV PNPM_STORE_DIR="/pnpm/store"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable
WORKDIR /app
# Install dependencies
FROM base AS deps
COPY package.json pnpm-lock.yaml ./
RUN --mount=type=cache,id=pnpm-store,target=/pnpm/store \
pnpm install --frozen-lockfile
# Build the app
FROM base AS builder
ENV NODE_ENV=production
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN --mount=type=cache,id=pnpm-store,target=/pnpm/store \
NEXT_DISABLE_ESLINT=1 pnpm exec next build
# Production image
FROM node:24-bookworm-slim AS runner
ENV NODE_ENV=production
ENV PORT=3000
ENV HOSTNAME=0.0.0.0
WORKDIR /app
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
EXPOSE 3000
CMD ["node", "server.js"]

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GNU GENERAL PUBLIC LICENSE
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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. Use with the GNU Affero General Public License.
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 Affero 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 special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU 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 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 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 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
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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 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 General Public License for more details.
You should have received a copy of the GNU 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 the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
PolyNote Copyright (C) 2025 PolyNote Maintainers
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
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 GPL, see
<https://www.gnu.org/licenses/>.

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# PolyNote · Polygon message pusher
Send hex-encoded messages on Polygon mainnet using the Trust Wallet browser extension or in-app browser. The app builds a zero-value transaction with your message in the data field, so only gas is spent.
## What it does
- Connects to an injected EIP-1193 provider (Trust Wallet) and targets Polygon mainnet.
- Hex-encodes up to 280 characters and sends a 0 MATIC transaction carrying the payload.
- Internationalization (English, Spanish, French, German, Italian, Swedish) with a locale picker and auto language detection.
- Live feedback, copy-to-clipboard for the tx hash, Polygonscan deep links, and a session “recent messages” view.
- Light/Dark theme toggle.
## Stack
- Next.js 15 (App Router), React 18, TypeScript
- Ethers v6
- Styling via a single CSS file (`app/globals.css`)
- Path alias: `@/` → `app/`
- Lint: ESLint 9 (flat config), Prettier
## Getting started
1. Install pnpm and Node 18+ (Node 24 recommended).
2. Install deps:
```bash
pnpm install
```
3. Run dev:
```bash
pnpm dev -- --hostname 127.0.0.1 --port 3120
```
The dev script guards against a missing `.next/server/middleware-manifest.json`.
4. Open the URL, pick a language, connect Trust Wallet, type a message, and send. Only gas is charged.
## Scripts
- `pnpm dev` – start dev server (with manifest guard)
- `pnpm build` – production build (skips lint, run lint separately)
- `pnpm start` – run the production server
- `pnpm lint` – ESLint flat config
- `pnpm format` – Prettier check
## Project layout
- `app/page.tsx` – main UI/logic
- `app/components/LocaleSelector.tsx` – locale dropdown
- `app/hooks/useI18n.ts`, `app/hooks/useTheme.ts` – i18n + theme toggles
- `app/locales/*.json` – translations
- `app/globals.css` – styles
- `scripts/ensure-middleware-manifest.cjs` – guards against missing Next middleware manifest on fresh starts
## Configuration
No env vars required. Wallet connectivity is via the injected Trust Wallet provider; WalletConnect is not used.
## Docker
The Dockerfile is multi-stage and uses pnpm:
```bash
docker build -t polynote .
# run
docker run -p 3000:3000 polynote
```
BuildKit with cache mounts is supported in the Dockerfile, but if buildx isn’t available locally, use the plain `docker build` command above.
## CI (Gitea actions)
`.gitea/workflows/build.yml` runs lint on Node 22, then builds and uploads `.next/standalone` + `.next/static` + `public` as artifacts for `main` and tags.
## Security notes
- Only injected providers are used; no secrets leave the browser.
- Recipient addresses validated with `ethers.isAddress`.
- Zero-value tx; user pays gas. The app requests a switch to Polygon (chainId 137).
- Copy-to-clipboard is wrapped in error handling.
- Serve over HTTPS in production so wallet and clipboard APIs work reliably.
- Sending data to an EOA can be blocked by some wallets/RPCs; a warning is shown when you target your own address.
## Path aliases
Imports under `app/` can use `@/` (configured in `tsconfig.json`):
```ts
import en from "@/locales/en.json";
import { LocaleSelector } from "@/components/LocaleSelector";
```
## Contributing
PRs welcome. Run `pnpm format` and `pnpm lint` before submitting. If you add locales, extend the JSON files under `app/locales/`.
## License
GPL-3.0 (see `LICENSE`). Core dependencies are permissive (MIT): Next.js, React, React DOM, ethers, Prettier, TypeScript, @types/*.

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import { useEffect, useMemo, useRef, useState } from "react";
import type { KeyboardEvent } from "react";
import type { Locale, LocaleOption } from "@/hooks/useI18n";
type Props = {
locale: Locale;
onChange: (code: Locale) => void;
options: LocaleOption[];
label: string;
searchPlaceholder: string;
};
export function LocaleSelector({ locale, onChange, options, label, searchPlaceholder }: Props) {
const dropdownRef = useRef<HTMLDivElement | null>(null);
const searchRef = useRef<HTMLInputElement | null>(null);
const [open, setOpen] = useState(false);
const [search, setSearch] = useState("");
const [focusedIndex, setFocusedIndex] = useState(-1);
const selected = useMemo(
() => options.find((opt) => opt.code === locale) || options[0],
[locale, options]
);
const filtered = useMemo(() => {
const term = search.trim().toLowerCase();
return term ? options.filter((opt) => opt.name.toLowerCase().includes(term)) : options;
}, [options, search]);
useEffect(() => {
if (!open) return;
const clickHandler = (e: MouseEvent) => {
if (dropdownRef.current && !dropdownRef.current.contains(e.target as Node)) {
setOpen(false);
setSearch("");
setFocusedIndex(-1);
}
};
document.addEventListener("click", clickHandler);
setTimeout(() => searchRef.current?.focus(), 0);
return () => document.removeEventListener("click", clickHandler);
}, [open]);
const toggle = () => setOpen((prev) => !prev);
const close = () => {
setOpen(false);
setSearch("");
setFocusedIndex(-1);
};
const select = (opt: LocaleOption) => {
onChange(opt.code);
close();
};
const onKeyDownList = (e: KeyboardEvent<HTMLUListElement>) => {
if (!open) return;
const list = filtered;
if (!list.length) return;
if (e.key === "ArrowDown") {
e.preventDefault();
setFocusedIndex((prev) => {
const next = (prev + 1) % list.length;
scrollIntoView(next);
return next;
});
} else if (e.key === "ArrowUp") {
e.preventDefault();
setFocusedIndex((prev) => {
const next = (prev - 1 + list.length) % list.length;
scrollIntoView(next);
return next;
});
} else if (e.key === "Enter" && focusedIndex >= 0) {
e.preventDefault();
select(list[focusedIndex]);
} else if (e.key === "Escape") {
e.preventDefault();
close();
}
};
const scrollIntoView = (index: number) => {
requestAnimationFrame(() => {
const items = dropdownRef.current?.querySelectorAll(".locale-panel-item");
const el = items?.[index] as HTMLElement | undefined;
el?.scrollIntoView({ block: "nearest" });
});
};
const handleItemKeyDown = (e: KeyboardEvent<HTMLLIElement>, opt: LocaleOption) => {
if (e.key === "Enter" || e.key === " ") {
e.preventDefault();
select(opt);
}
};
return (
<div ref={dropdownRef} className="locale-dropdown" tabIndex={-1} role="group">
<p className="locale-label">{label}</p>
<button
type="button"
className="locale-toggle"
aria-expanded={open}
aria-haspopup="menu"
onClick={toggle}
>
<span className="locale-flag" aria-hidden>
{selected?.emoji}
</span>
<span className="locale-name">{selected?.name}</span>
<svg
className={`locale-arrow ${open ? "open" : ""}`}
xmlns="http://www.w3.org/2000/svg"
fill="none"
viewBox="0 0 24 24"
stroke="currentColor"
>
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M19 9l-7 7-7-7" />
</svg>
</button>
{open && (
<div className="locale-panel" role="menu" tabIndex={-1}>
<div className="locale-panel-search">
<input
ref={searchRef}
value={search}
onChange={(e) => setSearch(e.target.value)}
type="text"
placeholder={searchPlaceholder}
/>
</div>
<ul className="locale-panel-list" role="menu" tabIndex={0} onKeyDown={onKeyDownList}>
{filtered.map((opt, index) => (
<li
key={opt.code}
className={`locale-panel-item ${index === focusedIndex ? "focused" : ""}`}
role="menuitem"
tabIndex={0}
onClick={() => select(opt)}
onKeyDown={(e) => handleItemKeyDown(e, opt)}
onMouseEnter={() => setFocusedIndex(index)}
>
<span className="locale-item-flag" aria-hidden>
{opt.emoji}
</span>
<span className="locale-item-label">{opt.name}</span>
</li>
))}
{filtered.length === 0 && <li className="locale-no-results">No languages found.</li>}
</ul>
</div>
)}
</div>
);
}

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@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&display=swap");
:root {
--bg-1: #f1f6ff;
--bg-2: #fff4e6;
--ink: #0f172a;
--muted: #5c677d;
--card: rgba(255, 255, 255, 0.9);
--surface: #ffffff;
--surface-soft: #f7fbff;
--surface-secondary: #fff8ed;
--border: #d8deea;
--accent: #0ea5e9;
--accent-strong: #0f766e;
--pill: #e1f6ff;
--pill-border: #c7ecff;
--pill-text: #0f4c5c;
--live-ok-bg: #e6ffe8;
--live-ok-border: #c4f0d0;
--live-ok-text: #0f6d2f;
--shadow: 0 12px 60px rgba(15, 23, 42, 0.14);
--link: #0ea5e9;
--link-disabled: #94a3b8;
--status-ok-bg: #e9fff2;
--status-ok-border: #c1f3d7;
--status-error-bg: #fff2ed;
--status-error-border: #ffd2c8;
}
[data-theme="dark"] {
--bg-1: #0f172a;
--bg-2: #111827;
--ink: #e5e7eb;
--muted: #a5b4c6;
--card: rgba(24, 32, 48, 0.9);
--surface: #0f172a;
--surface-soft: #1f2937;
--surface-secondary: #1c2432;
--border: #1f2a3a;
--accent: #22d3ee;
--accent-strong: #10b981;
--pill: #142337;
--pill-border: #1f3a5f;
--pill-text: #c7e1ff;
--live-ok-bg: #15392a;
--live-ok-border: #1e4f37;
--live-ok-text: #bef0d2;
--shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
--link: #7dd3fc;
--link-disabled: #475569;
--status-ok-bg: #102b1f;
--status-ok-border: #1e4f37;
--status-error-bg: #321717;
--status-error-border: #6b2727;
}
*,
*::before,
*::after {
box-sizing: border-box;
}
body {
margin: 0;
min-height: 100vh;
background: radial-gradient(120% 120% at 20% 20%, rgba(14, 165, 233, 0.18), transparent),
radial-gradient(80% 80% at 80% 0%, rgba(255, 159, 67, 0.16), transparent),
linear-gradient(135deg, var(--bg-1), var(--bg-2));
font-family: "Sora", "Segoe UI", -apple-system, sans-serif;
color: var(--ink);
padding: 32px;
}
.page {
max-width: 1100px;
margin: 0 auto;
display: flex;
flex-direction: column;
gap: 20px;
}
.hero {
display: flex;
flex-direction: column;
gap: 10px;
}
.hero-row {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: 16px;
flex-wrap: wrap;
}
.hero-text {
flex: 1 1 320px;
}
.hero-actions {
display: flex;
gap: 8px;
align-items: flex-start;
flex-wrap: wrap;
}
.eyebrow {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 6px 10px;
background: rgba(255, 255, 255, 0.7);
border: 1px solid var(--border);
border-radius: 999px;
color: var(--muted);
width: fit-content;
font-size: 13px;
letter-spacing: 0.02em;
}
h1 {
margin: 0;
font-size: 32px;
letter-spacing: -0.02em;
}
.hero-topline {
display: flex;
align-items: center;
gap: 10px;
}
.logo-mark {
width: 52px;
height: 52px;
border-radius: 12px;
box-shadow: var(--shadow);
background: var(--surface);
}
.lede {
margin: 0;
color: var(--muted);
max-width: 760px;
}
.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 16px;
}
.card {
background: var(--card);
border-radius: 18px;
border: 1px solid var(--border);
box-shadow: var(--shadow);
padding: 18px;
display: flex;
flex-direction: column;
gap: 14px;
backdrop-filter: blur(8px);
}
.card-head {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
}
.label {
margin: 0;
font-weight: 600;
font-size: 14px;
}
.muted {
margin: 4px 0 0;
color: var(--muted);
font-size: 13px;
}
.stack {
display: flex;
flex-direction: column;
gap: 10px;
}
input,
textarea {
width: 100%;
border: 1px solid var(--border);
border-radius: 12px;
padding: 12px 14px;
font: inherit;
transition: border-color 0.2s ease, box-shadow 0.2s ease;
background: var(--surface);
color: var(--ink);
}
input:focus,
textarea:focus {
outline: none;
border-color: var(--accent);
box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.12);
}
textarea {
resize: vertical;
}
.input-label {
font-weight: 600;
font-size: 14px;
display: flex;
align-items: baseline;
gap: 6px;
}
.button-row {
display: flex;
gap: 10px;
flex-wrap: wrap;
}
button {
border: none;
border-radius: 12px;
padding: 12px 14px;
font: inherit;
cursor: pointer;
transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
button:disabled {
opacity: 0.6;
cursor: not-allowed;
}
.primary {
background: linear-gradient(135deg, var(--accent), #22c55e);
color: #fff;
box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
}
.ghost {
background: transparent;
color: var(--ink);
border: 1px solid var(--border);
}
button:hover:not(:disabled) {
transform: translateY(-1px);
}
.meta {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
gap: 10px 18px;
padding: 12px;
border-radius: 12px;
background: var(--surface-soft);
margin: 0;
}
.meta dt {
font-size: 12px;
color: var(--muted);
margin-bottom: 4px;
}
.meta dd {
margin: 0;
font-weight: 600;
word-break: break-all;
}
.pill {
padding: 8px 12px;
border-radius: 999px;
font-weight: 600;
font-size: 12px;
}
.pill-quiet {
background: var(--pill);
color: var(--pill-text);
border: 1px solid var(--pill-border);
}
.pill-live {
background: var(--live-ok-bg);
color: var(--live-ok-text);
border: 1px solid var(--live-ok-border);
}
.status-card .status-line {
padding: 12px;
border-radius: 12px;
border: 1px dashed var(--border);
background: var(--surface-soft);
font-weight: 600;
color: var(--ink);
}
.status-card .secondary {
display: flex;
align-items: center;
gap: 8px;
font-weight: 500;
background: var(--surface-secondary);
}
.status-card .dot {
width: 10px;
height: 10px;
border-radius: 999px;
background: #f59e0b;
display: inline-block;
}
.hint {
margin: 0;
color: var(--muted);
font-size: 12px;
}
.status-card .hint {
text-align: left;
}
.tx-box {
padding: 12px;
border-radius: 12px;
border: 1px solid var(--border);
background: var(--surface);
}
.hash {
font-family: "SFMono-Regular", "JetBrains Mono", "Fira Code", monospace;
word-break: break-all;
margin: 6px 0;
}
.tx-actions {
display: flex;
align-items: center;
gap: 10px;
flex-wrap: wrap;
}
.copy-btn {
padding: 8px 10px;
}
.link {
color: var(--link);
font-weight: 600;
text-decoration: none;
}
.link:hover {
text-decoration: underline;
}
.link.disabled {
pointer-events: none;
color: var(--link-disabled);
text-decoration: none;
}
.locale-dropdown {
position: relative;
display: inline-flex;
flex-direction: column;
gap: 4px;
min-width: 180px;
}
.locale-label {
margin: 0;
color: var(--muted);
font-size: 12px;
}
.locale-toggle {
display: inline-flex;
align-items: center;
gap: 10px;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 999px;
padding: 10px 12px;
cursor: pointer;
transition: box-shadow 0.2s, background 0.2s;
}
.locale-toggle:hover {
box-shadow: var(--shadow);
}
.locale-toggle:focus {
outline: none;
box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.12);
}
.locale-flag {
width: 28px;
height: 28px;
display: inline-flex;
align-items: center;
justify-content: center;
background: var(--surface-soft);
border-radius: 50%;
font-size: 18px;
}
.locale-name {
font-weight: 600;
color: var(--ink);
}
.locale-arrow {
width: 14px;
height: 14px;
color: #6366f1;
transition: transform 0.2s;
}
.locale-arrow.open {
transform: rotate(180deg);
}
.locale-panel {
position: absolute;
top: calc(100% + 6px);
right: 0;
background: var(--card);
border: 1px solid var(--border);
border-radius: 14px;
box-shadow: var(--shadow);
overflow: hidden;
z-index: 20;
min-width: 220px;
}
.locale-panel-search {
padding: 8px;
border-bottom: 1px solid var(--border);
}
.locale-panel-search input {
width: 100%;
padding: 8px 10px;
border: 1px solid var(--border);
border-radius: 10px;
font: inherit;
}
.locale-panel-search input:focus {
outline: none;
box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}
.locale-panel-list {
list-style: none;
margin: 0;
padding: 6px 0;
max-height: 240px;
overflow-y: auto;
}
.locale-panel-item {
display: flex;
align-items: center;
gap: 10px;
padding: 8px 12px;
cursor: pointer;
transition: background 0.15s;
}
.locale-panel-item:hover,
.locale-panel-item.focused {
background: var(--surface-soft);
}
.locale-item-flag {
width: 24px;
height: 24px;
display: inline-flex;
align-items: center;
justify-content: center;
font-size: 16px;
}
.locale-item-label {
font-size: 14px;
color: var(--ink);
}
.locale-no-results {
padding: 10px 12px;
color: var(--muted);
font-size: 13px;
font-style: italic;
}
.status-ok {
border-color: var(--status-ok-border) !important;
background: var(--status-ok-bg) !important;
}
.status-error {
border-color: var(--status-error-border) !important;
background: var(--status-error-bg) !important;
}
.theme-toggle {
min-width: 160px;
display: inline-flex;
align-items: center;
justify-content: center;
gap: 8px;
}
.history {
margin-top: 12px;
padding: 12px;
border: 1px solid var(--border);
border-radius: 12px;
background: var(--surface);
}
.history-head {
display: flex;
align-items: center;
justify-content: space-between;
}
.history-empty {
margin: 8px 0 0;
color: var(--muted);
font-size: 13px;
}
.history-list {
list-style: none;
padding: 0;
margin: 10px 0 0;
display: flex;
flex-direction: column;
gap: 10px;
}
.history-item {
border: 1px solid var(--border);
border-radius: 10px;
padding: 10px;
background: var(--surface-soft);
}
.history-row {
display: flex;
justify-content: space-between;
align-items: center;
gap: 10px;
}
.history-time {
font-size: 12px;
color: var(--muted);
}
.history-meta {
display: flex;
flex-direction: column;
gap: 4px;
margin: 6px 0;
color: var(--muted);
font-size: 13px;
word-break: break-all;
}
.history-message {
font-weight: 600;
margin: 4px 0;
}
.history-hash {
font-family: "SFMono-Regular", "JetBrains Mono", "Fira Code", monospace;
color: var(--muted);
font-size: 12px;
}
@media (max-width: 640px) {
body {
padding: 18px;
}
.card-head {
flex-direction: column;
align-items: flex-start;
}
.button-row {
flex-direction: column;
}
.hero-row {
flex-direction: column;
}
.locale-dropdown {
width: 100%;
}
}

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import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import de from "@/locales/de.json";
import en from "@/locales/en.json";
import es from "@/locales/es.json";
import fr from "@/locales/fr.json";
import it from "@/locales/it.json";
import sv from "@/locales/sv.json";
const bundles = { en, es, fr, de, it, sv } as const;
export type Locale = keyof typeof bundles;
export type MessageKey = string;
export type LocaleOption = {
code: Locale;
name: string;
emoji: string;
};
const localeOptions: LocaleOption[] = [
{ code: "en", name: "English", emoji: "🇺🇸" },
{ code: "es", name: "Español", emoji: "🇪🇸" },
{ code: "fr", name: "Français", emoji: "🇫🇷" },
{ code: "de", name: "Deutsch", emoji: "🇩🇪" },
{ code: "it", name: "Italiano", emoji: "🇮🇹" },
{ code: "sv", name: "Svenska", emoji: "🇸🇪" },
];
export function useI18n(defaultLocale: Locale = "en") {
const [locale, setLocale] = useState<Locale>(defaultLocale);
const hasDetectedLocale = useRef(false);
useEffect(() => {
if (hasDetectedLocale.current) return;
hasDetectedLocale.current = true;
const navLangs =
typeof navigator !== "undefined" ? navigator.languages || [navigator.language] : [];
const mapToLocale = (lang: string | undefined | null): Locale | null => {
if (!lang) return null;
const lower = lang.toLowerCase();
if (lower.startsWith("es")) return "es";
if (lower.startsWith("fr")) return "fr";
if (lower.startsWith("de")) return "de";
if (lower.startsWith("it")) return "it";
if (lower.startsWith("sv")) return "sv";
if (lower.startsWith("en")) return "en";
return null;
};
const detected = navLangs.map((l) => mapToLocale(l)).find(Boolean);
if (detected && detected !== locale) {
setLocale(detected);
}
}, [locale]);
const t = useCallback(
(key: MessageKey, vars?: Record<string, string>): string => {
const parts = key.split(".");
const dict = bundles[locale] ?? bundles.en;
const fallbackDict = bundles.en;
const resolveKey = (source: unknown) =>
parts.reduce<unknown>(
(acc, part) =>
acc && typeof acc === "object" ? (acc as Record<string, unknown>)[part] : undefined,
source
);
const value = resolveKey(dict) ?? resolveKey(fallbackDict);
const text = typeof value === "string" ? value : key;
if (!vars) return text;
return text.replace(/\{(\w+)\}/g, (_: string, k: string) => (vars[k] ? vars[k] : `{${k}}`));
},
[locale]
);
const options = useMemo(() => localeOptions, []);
return { locale, setLocale, t, localeOptions: options };
}

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import { useEffect, useState } from "react";
export type Theme = "light" | "dark";
export function useTheme(initial?: Theme) {
const [theme, setTheme] = useState<Theme>(initial ?? "light");
useEffect(() => {
const stored =
typeof window !== "undefined" && "localStorage" in window
? window.localStorage.getItem("theme")
: null;
if (stored === "light" || stored === "dark") {
setTheme(stored);
return;
}
if (typeof window !== "undefined" && "matchMedia" in window) {
const media = window.matchMedia("(prefers-color-scheme: dark)");
setTheme(media.matches ? "dark" : "light");
const handler = (event: MediaQueryListEvent) => setTheme(event.matches ? "dark" : "light");
media.addEventListener("change", handler);
return () => media.removeEventListener("change", handler);
}
setTheme("light");
}, []);
useEffect(() => {
if (typeof document === "undefined") return;
document.documentElement.setAttribute("data-theme", theme);
if ("localStorage" in window) {
window.localStorage.setItem("theme", theme);
}
}, [theme]);
const toggleTheme = () => setTheme((prev) => (prev === "light" ? "dark" : "light"));
return { theme, setTheme, toggleTheme };
}

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import type { Metadata } from "next";
import { headers } from "next/headers";
import type { ReactNode } from "react";
import de from "@/locales/de.json";
import en from "@/locales/en.json";
import es from "@/locales/es.json";
import fr from "@/locales/fr.json";
import it from "@/locales/it.json";
import sv from "@/locales/sv.json";
import "./globals.css";
type Locale = "en" | "es" | "fr" | "de" | "it" | "sv";
const descriptions: Record<Locale, string> = {
en: en.hero.lede,
es: es.hero.lede,
fr: fr.hero.lede,
de: de.hero.lede,
it: it.hero.lede,
sv: sv.hero.lede,
};
async function pickLocaleFromHeaders(): Promise<Locale> {
const hdrs = await headers();
const accept = hdrs.get("accept-language") || "";
const entries = accept.split(",").map((entry) => entry.trim().toLowerCase());
const match = entries.find((entry) =>
["es", "fr", "de", "it", "sv", "en"].some((code) => entry.startsWith(code))
);
if (!match) return "en";
if (match.startsWith("es")) return "es";
if (match.startsWith("fr")) return "fr";
if (match.startsWith("de")) return "de";
if (match.startsWith("it")) return "it";
if (match.startsWith("sv")) return "sv";
return "en";
}
export async function generateMetadata(): Promise<Metadata> {
const locale = await pickLocaleFromHeaders();
return {
title: "PolyNote",
description: descriptions[locale] ?? descriptions.en,
metadataBase: new URL("https://polynote.wittrail.com"),
openGraph: {
title: "PolyNote",
description: descriptions[locale] ?? descriptions.en,
url: "https://polynote.wittrail.com",
siteName: "PolyNote",
images: [
{
url: "/logo.svg",
width: 256,
height: 256,
alt: "PolyNote logo",
},
],
locale,
type: "website",
},
icons: {
icon: "/favicon.ico",
shortcut: "/favicon.ico",
apple: "/favicon.png",
},
};
}
export default async function RootLayout({ children }: { children: ReactNode }) {
const locale = await pickLocaleFromHeaders();
return (
<html lang={locale}>
<body>{children}</body>
</html>
);
}

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{
"locale": {
"label": "Sprache",
"search": "Sprache suchen..."
},
"theme": {
"toggle": "Thema wechseln",
"dark": "Dunkler Modus",
"light": "Heller Modus"
},
"hero": {
"eyebrow": "Eingebettetes Trust Wallet • Polygon Mainnet",
"title": "PolyNote · Trust Wallet zu Polygon",
"lede": "Verbinde dich mit der Trust-Wallet-Erweiterung oder dem In-App-Browser. Wir kodieren deinen Text in Hex und senden eine Null-MATIC-Transaktion auf Polygon – nur Gasgebühren fallen an."
},
"connection": {
"title": "Verbindung",
"subtitle": "Eingebettetes Trust Wallet (Browser-Erweiterung oder In-App dApp Browser).",
"pill": "Nur Polygon",
"connect": "Trust Wallet verbinden",
"disconnect": "Trennen",
"account": "Konto",
"chain": "Netzwerk",
"status": "Status",
"connected": "Verbunden",
"notConnected": "Nicht verbunden"
},
"compose": {
"title": "Nachricht verfassen",
"subtitle": "Wir kodieren deinen Text in Hex und senden eine 0 MATIC Transaktion mit diesem Payload.",
"recipientLabel": "Zieladresse",
"recipientHint": "(standardmäßig deine eigene Wallet)",
"messageLabel": "Nachricht einbetten",
"messagePlaceholder": "Bis zu 280 Zeichen eingeben...",
"messageHint": "Wir wandeln dies in Hex um und fügen es in das Datenfeld ein.",
"send": "Nachrichten-Transaktion senden",
"sending": "Senden…"
},
"live": {
"title": "Live-Feedback",
"subtitle": "Wir halten dich über jeden Schritt auf dem Laufenden.",
"chainReady": "Auf Polygon Mainnet und bereit.",
"chainRequired": "Polygon Mainnet erforderlich.",
"lastTx": "Letzter Transaktions-Hash",
"trackHint": "Du kannst sie in deiner Wallet oder auf Polygonscan verfolgen.",
"viewOnPolygonscan": "In Polygonscan öffnen",
"copy": "Hash kopieren",
"copySuccess": "Transaktions-Hash kopiert.",
"copyFailed": "Hash konnte nicht kopiert werden. Kopiere ihn manuell."
},
"history": {
"title": "Letzte Nachrichten",
"subtitle": "Nachrichten, die du in dieser Sitzung gesendet hast.",
"empty": "Noch keine Nachrichten.",
"sent": "Gesendet",
"from": "Von",
"to": "An"
},
"status": {
"waiting": "Warten auf Verbindung…",
"preparingConnect": "Verbindung wird vorbereitet…",
"requesting": "Wallet-Zugriff wird angefordert…",
"connectedInjected": "Über eingebetteten Provider verbunden. Du kannst jetzt eine Polygon-Nachricht senden.",
"connectFirst": "Verbinde zuerst deine Wallet.",
"messageEmpty": "Nachricht darf nicht leer sein.",
"recipientInvalid": "Empfänger muss eine gültige Adresse sein.",
"switchPolygon": "Bitte wechsel in deiner Wallet zu Polygon Mainnet.",
"prepareTx": "Gas wird geschätzt und Transaktion vorbereitet…",
"gasFallback": "Gas-Schätzung fehlgeschlagen; verwende ein Fallback-Limit und sende trotzdem.",
"feeFallback": "Gebühren konnten nicht geholt werden; neuer Versuch mit Legacy-Gaspreis.",
"eoaWarning": "Warnung: Daten an eine EOA zu senden kann bei manchen Wallets/RPCs scheitern.",
"submitted": "Transaktion gesendet. Hash: {hash}",
"onchain": "Nachricht ist on-chain. Prüfe sie in deiner Wallet oder auf Polygonscan.",
"rejected": "Anfrage in der Wallet abgelehnt.",
"disconnected": "Getrennt."
},
"errors": {
"noWallet": "Keine eingebettete Wallet gefunden. Verwende die Trust-Wallet-Erweiterung oder den In-App-Browser.",
"noAccounts": "Die Wallet hat keine Konten zurückgegeben.",
"sendFailed": "Nachrichten-Transaktion konnte nicht gesendet werden.",
"connectionFailed": "Verbindung fehlgeschlagen."
}
}

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{
"locale": {
"label": "Language",
"search": "Search language..."
},
"theme": {
"toggle": "Toggle theme",
"dark": "Dark mode",
"light": "Light mode"
},
"hero": {
"eyebrow": "Injected Trust Wallet • Polygon mainnet",
"title": "PolyNote · Trust Wallet to Polygon",
"lede": "Connect with the Trust Wallet extension or the in-app browser. We hex-encode your text and submit a zero-value Polygon transaction that only costs gas."
},
"connection": {
"title": "Connection",
"subtitle": "Injected Trust Wallet (browser extension or in-app dApp browser).",
"pill": "Polygon only",
"connect": "Connect Trust Wallet",
"disconnect": "Disconnect",
"account": "Account",
"chain": "Chain",
"status": "Status",
"connected": "Connected",
"notConnected": "Not connected"
},
"compose": {
"title": "Compose message",
"subtitle": "We hex-encode your text and send a 0 MATIC transaction carrying that payload.",
"recipientLabel": "Recipient address",
"recipientHint": "(defaults to your own wallet)",
"messageLabel": "Message to embed",
"messagePlaceholder": "Type up to 280 characters...",
"messageHint": "We will convert this to hex and attach it to the transaction data field.",
"send": "Send message transaction",
"sending": "Sending…"
},
"live": {
"title": "Live feedback",
"subtitle": "We keep you posted through each step.",
"chainReady": "On Polygon mainnet and ready.",
"chainRequired": "Polygon mainnet required.",
"lastTx": "Last transaction hash",
"trackHint": "You can track it in your wallet or on Polygonscan.",
"viewOnPolygonscan": "Open in Polygonscan",
"copy": "Copy hash",
"copySuccess": "Transaction hash copied.",
"copyFailed": "Could not copy hash. Copy it manually."
},
"history": {
"title": "Recent messages",
"subtitle": "Messages you sent in this session.",
"empty": "No messages yet.",
"sent": "Sent",
"from": "From",
"to": "To"
},
"status": {
"waiting": "Waiting to connect…",
"preparingConnect": "Preparing to connect…",
"requesting": "Requesting wallet access…",
"connectedInjected": "Connected via injected provider. You can send a Polygon message now.",
"connectFirst": "Connect your wallet first.",
"messageEmpty": "Message cannot be empty.",
"recipientInvalid": "Recipient must be a valid address.",
"switchPolygon": "Please switch to Polygon mainnet in your wallet.",
"prepareTx": "Estimating gas and preparing transaction…",
"gasFallback": "Gas estimation failed; using a fallback limit and sending anyway.",
"feeFallback": "Fee data failed; retrying with a legacy gas price.",
"eoaWarning": "Warning: sending data to an EOA can fail in some wallets/RPCs.",
"submitted": "Transaction submitted. Hash: {hash}",
"onchain": "Message is on-chain. Check your wallet or Polygonscan.",
"rejected": "Request rejected in wallet.",
"disconnected": "Disconnected."
},
"errors": {
"noWallet": "No injected wallet found. Try the Trust Wallet extension or app browser.",
"noAccounts": "No accounts returned from injected wallet.",
"sendFailed": "Failed to send message transaction.",
"connectionFailed": "Connection failed."
}
}

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{
"locale": {
"label": "Idioma",
"search": "Buscar idioma..."
},
"theme": {
"toggle": "Cambiar tema",
"dark": "Modo oscuro",
"light": "Modo claro"
},
"hero": {
"eyebrow": "Trust Wallet inyectado • Polygon mainnet",
"title": "PolyNote · Trust Wallet a Polygon",
"lede": "Conecta con la extensión de Trust Wallet o el navegador dentro de la app. Codificamos tu texto en hex y enviamos una transacción de valor cero en Polygon; solo pagas gas."
},
"connection": {
"title": "Conexión",
"subtitle": "Trust Wallet inyectado (extensión o navegador dentro de la app).",
"pill": "Solo Polygon",
"connect": "Conectar Trust Wallet",
"disconnect": "Desconectar",
"account": "Cuenta",
"chain": "Red",
"status": "Estado",
"connected": "Conectado",
"notConnected": "No conectado"
},
"compose": {
"title": "Redactar mensaje",
"subtitle": "Codificamos tu texto en hex y enviamos una transacción de 0 MATIC con ese payload.",
"recipientLabel": "Dirección de destino",
"recipientHint": "(por defecto tu propia wallet)",
"messageLabel": "Mensaje a incrustar",
"messagePlaceholder": "Escribe hasta 280 caracteres...",
"messageHint": "Convertiremos esto a hex y lo pondremos en el campo data.",
"send": "Enviar transacción con mensaje",
"sending": "Enviando…"
},
"live": {
"title": "Estado en vivo",
"subtitle": "Te avisamos en cada paso.",
"chainReady": "En Polygon mainnet, listo.",
"chainRequired": "Se requiere Polygon mainnet.",
"lastTx": "Último hash de transacción",
"trackHint": "Puedes rastrearlo en tu wallet o Polygonscan.",
"viewOnPolygonscan": "Abrir en Polygonscan",
"copy": "Copiar hash",
"copySuccess": "Hash de transacción copiado.",
"copyFailed": "No se pudo copiar el hash. Hazlo manualmente."
},
"history": {
"title": "Mensajes recientes",
"subtitle": "Mensajes que enviaste en esta sesión.",
"empty": "Aún no hay mensajes.",
"sent": "Enviado",
"from": "De",
"to": "Para"
},
"status": {
"waiting": "Esperando conexión…",
"preparingConnect": "Preparando conexión…",
"requesting": "Solicitando acceso a la wallet…",
"connectedInjected": "Conectado con proveedor inyectado. Ya puedes enviar un mensaje en Polygon.",
"connectFirst": "Conecta tu wallet primero.",
"messageEmpty": "El mensaje no puede estar vacío.",
"recipientInvalid": "El destinatario debe ser una dirección válida.",
"switchPolygon": "Cambia a Polygon mainnet en tu wallet.",
"prepareTx": "Calculando gas y preparando la transacción…",
"gasFallback": "La estimación de gas falló; usamos un límite por defecto e igualmente enviamos.",
"feeFallback": "No se pudieron obtener las tarifas; reintentamos con gas price legado.",
"eoaWarning": "Aviso: enviar datos a una EOA puede fallar en algunas wallets/RPCs.",
"submitted": "Transacción enviada. Hash: {hash}",
"onchain": "El mensaje está on-chain. Revísalo en tu wallet o Polygonscan.",
"rejected": "Solicitud rechazada en la wallet.",
"disconnected": "Desconectado."
},
"errors": {
"noWallet": "No se encontró una wallet inyectada. Usa la extensión de Trust Wallet o el navegador de la app.",
"noAccounts": "La wallet no devolvió cuentas.",
"sendFailed": "No se pudo enviar la transacción con mensaje.",
"connectionFailed": "Fallo de conexión."
}
}

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{
"locale": {
"label": "Langue",
"search": "Rechercher une langue..."
},
"theme": {
"toggle": "Changer de thème",
"dark": "Mode sombre",
"light": "Mode clair"
},
"hero": {
"eyebrow": "Trust Wallet injecté • Polygon mainnet",
"title": "PolyNote · Trust Wallet vers Polygon",
"lede": "Connecte-toi avec l’extension Trust Wallet ou le navigateur intégré. Nous encodons ton texte en hex et envoyons une transaction à 0 MATIC sur Polygon ; seuls les frais de gas sont dus."
},
"connection": {
"title": "Connexion",
"subtitle": "Trust Wallet injecté (extension navigateur ou navigateur dApp intégré).",
"pill": "Polygon uniquement",
"connect": "Connecter Trust Wallet",
"disconnect": "Déconnecter",
"account": "Compte",
"chain": "Réseau",
"status": "Statut",
"connected": "Connecté",
"notConnected": "Non connecté"
},
"compose": {
"title": "Composer un message",
"subtitle": "Nous encodons ton texte en hex et envoyons une transaction de 0 MATIC avec cette donnée.",
"recipientLabel": "Adresse de destination",
"recipientHint": "(par défaut ta propre wallet)",
"messageLabel": "Message à intégrer",
"messagePlaceholder": "Saisis jusqu’à 280 caractères...",
"messageHint": "Nous convertissons en hex et plaçons cela dans le champ data.",
"send": "Envoyer la transaction message",
"sending": "Envoi…"
},
"live": {
"title": "Retour en direct",
"subtitle": "Nous te tenons informé à chaque étape.",
"chainReady": "Sur Polygon mainnet, prêt.",
"chainRequired": "Polygon mainnet requis.",
"lastTx": "Dernier hash de transaction",
"trackHint": "Suis-la dans ta wallet ou sur Polygonscan.",
"viewOnPolygonscan": "Ouvrir dans Polygonscan",
"copy": "Copier le hash",
"copySuccess": "Hash de transaction copié.",
"copyFailed": "Impossible de copier le hash. Copie-le manuellement."
},
"history": {
"title": "Messages récents",
"subtitle": "Messages envoyés pendant cette session.",
"empty": "Pas encore de messages.",
"sent": "Envoyé",
"from": "De",
"to": "À"
},
"status": {
"waiting": "En attente de connexion…",
"preparingConnect": "Préparation de la connexion…",
"requesting": "Demande d’accès à la wallet…",
"connectedInjected": "Connecté via le provider injecté. Tu peux envoyer un message sur Polygon.",
"connectFirst": "Connecte d’abord ta wallet.",
"messageEmpty": "Le message ne peut pas être vide.",
"recipientInvalid": "Le destinataire doit être une adresse valide.",
"switchPolygon": "Passe sur Polygon mainnet dans ta wallet.",
"prepareTx": "Estimation du gas et préparation de la transaction…",
"gasFallback": "Échec de l’estimation du gas ; utilisation d’une limite de secours.",
"feeFallback": "Impossible de récupérer les frais ; nouvel essai avec un gas price legacy.",
"eoaWarning": "Attention : envoyer des données à une EOA peut échouer selon les wallets/RPC.",
"submitted": "Transaction envoyée. Hash : {hash}",
"onchain": "Message on-chain. Vérifie dans ta wallet ou sur Polygonscan.",
"rejected": "Demande rejetée dans la wallet.",
"disconnected": "Déconnecté."
},
"errors": {
"noWallet": "Aucune wallet injectée trouvée. Utilise l’extension Trust Wallet ou le navigateur de l’app.",
"noAccounts": "La wallet n’a renvoyé aucun compte.",
"sendFailed": "Impossible d’envoyer la transaction message.",
"connectionFailed": "Échec de connexion."
}
}

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{
"locale": {
"label": "Lingua",
"search": "Cerca lingua..."
},
"theme": {
"toggle": "Cambia tema",
"dark": "Modalità scura",
"light": "Modalità chiara"
},
"hero": {
"eyebrow": "Trust Wallet iniettato • Polygon mainnet",
"title": "PolyNote · Trust Wallet su Polygon",
"lede": "Connetti con l’estensione di Trust Wallet o il browser integrato. Codifichiamo il testo in hex e inviamo una transazione a 0 MATIC su Polygon; paghi solo il gas."
},
"connection": {
"title": "Connessione",
"subtitle": "Trust Wallet iniettato (estensione o browser dApp integrato).",
"pill": "Solo Polygon",
"connect": "Connetti Trust Wallet",
"disconnect": "Disconnetti",
"account": "Account",
"chain": "Rete",
"status": "Stato",
"connected": "Connesso",
"notConnected": "Non connesso"
},
"compose": {
"title": "Scrivi il messaggio",
"subtitle": "Codifichiamo il testo in hex e inviamo una transazione da 0 MATIC con quel payload.",
"recipientLabel": "Indirizzo destinatario",
"recipientHint": "(di default il tuo wallet)",
"messageLabel": "Messaggio da includere",
"messagePlaceholder": "Scrivi fino a 280 caratteri...",
"messageHint": "Lo convertiremo in hex e lo inseriremo nel campo data.",
"send": "Invia transazione con messaggio",
"sending": "Invio…"
},
"live": {
"title": "Aggiornamenti in tempo reale",
"subtitle": "Ti aggiorniamo a ogni passo.",
"chainReady": "Su Polygon mainnet, pronto.",
"chainRequired": "Polygon mainnet necessario.",
"lastTx": "Ultimo hash di transazione",
"trackHint": "Puoi seguirla nel wallet o su Polygonscan.",
"viewOnPolygonscan": "Apri in Polygonscan",
"copy": "Copia hash",
"copySuccess": "Hash di transazione copiato.",
"copyFailed": "Impossibile copiare l’hash. Copialo manualmente."
},
"history": {
"title": "Messaggi recenti",
"subtitle": "Messaggi inviati in questa sessione.",
"empty": "Ancora nessun messaggio.",
"sent": "Inviato",
"from": "Da",
"to": "A"
},
"status": {
"waiting": "In attesa di connessione…",
"preparingConnect": "Preparazione della connessione…",
"requesting": "Richiesta di accesso al wallet…",
"connectedInjected": "Connesso tramite provider iniettato. Puoi inviare ora su Polygon.",
"connectFirst": "Connetti prima il wallet.",
"messageEmpty": "Il messaggio non può essere vuoto.",
"recipientInvalid": "Il destinatario deve essere un indirizzo valido.",
"switchPolygon": "Passa a Polygon mainnet nel wallet.",
"prepareTx": "Stima del gas e preparazione transazione…",
"gasFallback": "Stima del gas fallita; uso un limite di fallback e invio comunque.",
"feeFallback": "Impossibile recuperare le fee; ritento con un gas price legacy.",
"eoaWarning": "Avviso: inviare dati a un EOA può fallire in alcuni wallet/RPC.",
"submitted": "Transazione inviata. Hash: {hash}",
"onchain": "Messaggio on-chain. Controlla nel wallet o su Polygonscan.",
"rejected": "Richiesta rifiutata nel wallet.",
"disconnected": "Disconnesso."
},
"errors": {
"noWallet": "Nessun wallet iniettato trovato. Usa l’estensione Trust Wallet o il browser dell’app.",
"noAccounts": "Il wallet non ha restituito account.",
"sendFailed": "Impossibile inviare la transazione con messaggio.",
"connectionFailed": "Connessione fallita."
}
}

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{
"locale": {
"label": "Språk",
"search": "Sök språk..."
},
"theme": {
"toggle": "Byt tema",
"dark": "Mörkt läge",
"light": "Ljust läge"
},
"hero": {
"eyebrow": "Injektad Trust Wallet • Polygon mainnet",
"title": "PolyNote · Trust Wallet till Polygon",
"lede": "Anslut via Trust Wallets tillägg eller den inbyggda webbläsaren. Vi kodar din text i hex och skickar en 0 MATIC-transaktion på Polygon; du betalar bara gas."
},
"connection": {
"title": "Anslutning",
"subtitle": "Injekterad Trust Wallet (tillägg eller in-app dApp-webbläsare).",
"pill": "Endast Polygon",
"connect": "Anslut Trust Wallet",
"disconnect": "Koppla från",
"account": "Konto",
"chain": "Nätverk",
"status": "Status",
"connected": "Ansluten",
"notConnected": "Inte ansluten"
},
"compose": {
"title": "Skriv meddelande",
"subtitle": "Vi kodar din text i hex och skickar en 0 MATIC-transaktion med den datan.",
"recipientLabel": "Mottagaradress",
"recipientHint": "(standard är din egen plånbok)",
"messageLabel": "Meddelande att bädda in",
"messagePlaceholder": "Skriv upp till 280 tecken...",
"messageHint": "Vi gör om det till hex och lägger det i data-fältet.",
"send": "Skicka meddelande-transaktion",
"sending": "Skickar…"
},
"live": {
"title": "Status i realtid",
"subtitle": "Vi uppdaterar dig vid varje steg.",
"chainReady": "På Polygon mainnet och redo.",
"chainRequired": "Polygon mainnet krävs.",
"lastTx": "Senaste transaktionshash",
"trackHint": "Följ den i din plånbok eller på Polygonscan.",
"viewOnPolygonscan": "Öppna i Polygonscan",
"copy": "Kopiera hash",
"copySuccess": "Transaktions-hash kopierad.",
"copyFailed": "Kunde inte kopiera hash. Kopiera manuellt."
},
"history": {
"title": "Senaste meddelanden",
"subtitle": "Meddelanden du skickade i den här sessionen.",
"empty": "Inga meddelanden ännu.",
"sent": "Skickat",
"from": "Från",
"to": "Till"
},
"status": {
"waiting": "Väntar på anslutning…",
"preparingConnect": "Förbereder anslutning…",
"requesting": "Begär åtkomst till plånboken…",
"connectedInjected": "Ansluten via injekterad provider. Du kan skicka ett Polygon-meddelande nu.",
"connectFirst": "Anslut plånboken först.",
"messageEmpty": "Meddelandet kan inte vara tomt.",
"recipientInvalid": "Mottagaren måste vara en giltig adress.",
"switchPolygon": "Byt till Polygon mainnet i din plånbok.",
"prepareTx": "Beräknar gas och förbereder transaktionen…",
"gasFallback": "Gasberäkningen misslyckades; använder ett reservtak och skickar ändå.",
"feeFallback": "Kunde inte hämta avgifter; försöker igen med legacy gas price.",
"eoaWarning": "Varning: data till en EOA kan misslyckas i vissa wallets/RPC:er.",
"submitted": "Transaktion skickad. Hash: {hash}",
"onchain": "Meddelandet är on-chain. Kontrollera i plånboken eller på Polygonscan.",
"rejected": "Begäran avvisad i plånboken.",
"disconnected": "Frånkopplad."
},
"errors": {
"noWallet": "Ingen injekterad plånbok hittades. Använd Trust Wallet-tillägget eller appens webbläsare.",
"noAccounts": "Plånboken returnerade inga konton.",
"sendFailed": "Det gick inte att skicka meddelande-transaktionen.",
"connectionFailed": "Anslutningen misslyckades."
}
}

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"use client";
import { useEffect, useRef, useState } from "react";
import type { FormEvent } from "react";
import Image from "next/image";
import { ethers } from "ethers";
import { LocaleSelector } from "@/components/LocaleSelector";
import { useI18n, type Locale, type MessageKey } from "@/hooks/useI18n";
import { useTheme } from "@/hooks/useTheme";
type StatusTone = "info" | "success" | "error";
type StatusState = {
text: string;
tone: StatusTone;
key?: string;
vars?: Record<string, string>;
};
type Eip1193Provider = {
request: (args: { method: string; params?: unknown[] }) => Promise<unknown>;
on?: (event: string, fn: (...args: unknown[]) => void | Promise<void>) => void;
removeListener?: (event: string, fn: (...args: unknown[]) => void | Promise<void>) => void;
providers?: Eip1193Provider[];
isTrustWallet?: boolean;
isTrust?: boolean;
};
type EthereumWindow = Window & {
ethereum?: Eip1193Provider & { providers?: Eip1193Provider[] };
trustwallet?: Eip1193Provider;
};
const formatChain = (chainId: number | null) => {
if (chainId === 137) return "Polygon";
if (typeof chainId === "number" && Number.isFinite(chainId)) return `Chain ${chainId}`;
return "—";
};
type MessageEntry = {
hash: string;
to: string;
from: string;
message: string;
createdAt: number;
};
export default function HomePage() {
const { locale, setLocale, t, localeOptions } = useI18n("en");
const [account, setAccount] = useState<string>("");
const [chainId, setChainId] = useState<number | null>(null);
const [txHash, setTxHash] = useState<string>("—");
const [status, setStatus] = useState<StatusState>({
text: t("status.waiting"),
key: "status.waiting",
tone: "info",
});
const [connecting, setConnecting] = useState<boolean>(false);
const [sending, setSending] = useState<boolean>(false);
const [connected, setConnected] = useState<boolean>(false);
const [history, setHistory] = useState<MessageEntry[]>([]);
const providerRef = useRef<Eip1193Provider | null>(null);
const signerRef = useRef<ethers.Signer | null>(null);
const formRef = useRef<HTMLFormElement | null>(null);
const chainLabel = formatChain(chainId);
const onPolygon = chainId === 137;
const statusClass =
status.tone === "success"
? "status-line status-ok"
: status.tone === "error"
? "status-line status-error"
: "status-line";
const chainPillClass = onPolygon ? "pill pill-live" : "pill pill-quiet";
const chainPillText = onPolygon ? "Polygon" : chainLabel || t("live.chainRequired");
const disableSend = !connected || sending;
const disableConnect = connecting;
const disableDisconnect = !connected || connecting;
const polygonscanBase = "https://polygonscan.com/tx/";
const hasTxHash = Boolean(txHash && txHash !== "—");
useEffect(() => {
if (status.key) {
setStatus((prev) => ({
...prev,
text: t(prev.key as MessageKey, prev.vars),
}));
}
}, [locale, status.key, status.vars, t]);
function setStatusMessage(
text: string,
tone: StatusTone = "info",
key?: string,
vars?: Record<string, string>
) {
setStatus({ text, tone, key, vars });
}
async function connectWallet() {
if (connecting) return;
setConnecting(true);
setTxHash("—");
setStatusMessage(t("status.preparingConnect"), "info", "status.preparingConnect");
await disconnect(false);
try {
await connectInjected();
} catch (err) {
console.error("Connection failed", err);
setStatusMessage(normalizeError(err, t("errors.connectionFailed"), t), "error");
resetState();
} finally {
setConnecting(false);
}
}
async function connectInjected() {
const injected = pickInjectedProvider();
if (!injected) {
setStatusMessage(t("errors.noWallet"), "error", "errors.noWallet");
return;
}
providerRef.current = injected;
attachProviderEvents(injected);
setStatusMessage(t("status.requesting"), "info", "status.requesting");
// Try to force a fresh permission prompt when possible
try {
await injected.request({
method: "wallet_requestPermissions",
params: [{ eth_accounts: {} }],
});
} catch (err) {
// Some wallets do not support this; fall back silently
console.warn("wallet_requestPermissions not supported or rejected", err);
}
const accounts = (await injected.request({
method: "eth_requestAccounts",
})) as string[];
if (!accounts || accounts.length === 0) {
throw new Error(t("errors.noAccounts"));
}
const browserProvider = new ethers.BrowserProvider(
injected as unknown as ethers.Eip1193Provider
);
const signer = await browserProvider.getSigner();
signerRef.current = signer;
const address = await signer.getAddress();
const network = await browserProvider.getNetwork();
setAccount(address);
setChainId(Number(network.chainId));
setConnected(true);
setStatusMessage(t("status.connectedInjected"), "success", "status.connectedInjected");
}
async function disconnect(showMessage = true) {
removeProviderEvents(providerRef.current);
providerRef.current = null;
signerRef.current = null;
resetState();
if (showMessage) setStatusMessage(t("status.disconnected"), "info", "status.disconnected");
}
function resetState() {
setConnected(false);
setAccount("");
setChainId(null);
setTxHash("—");
}
function attachProviderEvents(provider: Eip1193Provider) {
if (!provider?.on) return;
provider.on("accountsChanged", handleAccountsChanged);
provider.on("chainChanged", handleChainChanged);
provider.on("disconnect", handleDisconnectEvent);
}
function removeProviderEvents(provider: Eip1193Provider | null) {
if (!provider?.removeListener) return;
provider.removeListener("accountsChanged", handleAccountsChanged);
provider.removeListener("chainChanged", handleChainChanged);
provider.removeListener("disconnect", handleDisconnectEvent);
}
function handleDisconnectEvent() {
disconnect(true);
}
async function handleAccountsChanged(...args: unknown[]) {
const accounts = Array.isArray(args[0]) ? args[0] : [];
if (!accounts || accounts.length === 0) {
await disconnect(true);
return;
}
const first = accounts.find((acct): acct is string => typeof acct === "string");
if (!first) {
await disconnect(true);
return;
}
setAccount(first);
}
async function handleChainChanged(newChainId: unknown) {
if (typeof newChainId !== "string" && typeof newChainId !== "number") return;
const parsed = parseChainId(newChainId);
setChainId(parsed);
}
async function ensurePolygonChain() {
if (chainId === 137 || !providerRef.current) return true;
try {
await providerRef.current.request({
method: "wallet_switchEthereumChain",
params: [{ chainId: "0x89" }],
});
setChainId(137);
return true;
} catch (err) {
console.warn("Chain switch rejected", err);
return false;
}
}
async function handleCopyHash() {
if (!hasTxHash) return;
try {
if (!("clipboard" in navigator)) {
throw new Error("Clipboard API unavailable");
}
await navigator.clipboard.writeText(txHash);
setStatusMessage(t("live.copySuccess"), "success", "live.copySuccess");
} catch (err) {
console.warn("Copy failed", err);
setStatusMessage(t("live.copyFailed"), "error", "live.copyFailed");
}
}
async function handleSendMessage(event: FormEvent<HTMLFormElement>) {
event.preventDefault();
const formEl = event.currentTarget;
setTxHash("—");
if (!signerRef.current) {
setStatusMessage(t("status.connectFirst"), "error", "status.connectFirst");
return;
}
const formData = new FormData(event.currentTarget);
const message = (formData.get("message") || "").toString().trim();
let recipient = (formData.get("to") || "").toString().trim();
if (!message) {
setStatusMessage(t("status.messageEmpty"), "error", "status.messageEmpty");
return;
}
if (!recipient) recipient = account;
if (!ethers.isAddress(recipient)) {
setStatusMessage(t("status.recipientInvalid"), "error", "status.recipientInvalid");
return;
}
const recipientIsEoa = recipient.toLowerCase() === account.toLowerCase();
if (recipientIsEoa) {
setStatusMessage(t("status.eoaWarning"), "info", "status.eoaWarning");
}
const canUsePolygon = await ensurePolygonChain();
if (!canUsePolygon) {
setStatusMessage(t("status.switchPolygon"), "error", "status.switchPolygon");
return;
}
try {
setSending(true);
setStatusMessage(t("status.prepareTx"), "info", "status.prepareTx");
const data = ethers.hexlify(ethers.toUtf8Bytes(message));
const txRequest = { to: recipient, value: 0n, data };
let gasLimit: bigint;
try {
gasLimit = await signerRef.current.estimateGas(txRequest);
} catch (estimateErr) {
console.warn("Gas estimation failed, using fallback", estimateErr);
setStatusMessage(t("status.gasFallback"), "info", "status.gasFallback");
gasLimit = 250000n;
}
const feeData = await signerRef.current.provider?.getFeeData?.();
const feeOverrides =
feeData && feeData.maxFeePerGas && feeData.maxPriorityFeePerGas
? {
maxFeePerGas: feeData.maxFeePerGas,
maxPriorityFeePerGas: feeData.maxPriorityFeePerGas,
}
: {
// conservative Polygon fallbacks in gwei
maxFeePerGas: ethers.parseUnits("50", "gwei"),
maxPriorityFeePerGas: ethers.parseUnits("40", "gwei"),
};
let tx;
try {
tx = await signerRef.current.sendTransaction({
...txRequest,
gasLimit,
...feeOverrides,
});
} catch (sendErr) {
const code = (sendErr as { code?: number | string })?.code;
if (code === 4001 || code === "ACTION_REJECTED") {
setStatusMessage(t("status.rejected"), "error", "status.rejected");
throw sendErr;
}
// Fallback to legacy gasPrice if EIP-1559 style send fails or simulates a revert
setStatusMessage(t("status.feeFallback"), "info", "status.feeFallback");
const gasPrice =
(await signerRef.current.provider?.getGasPrice?.()) || ethers.parseUnits("50", "gwei");
tx = await signerRef.current.sendTransaction({
...txRequest,
gasLimit,
gasPrice,
});
}
setTxHash(tx.hash);
setStatusMessage(t("status.submitted", { hash: tx.hash }), "success", "status.submitted", {
hash: tx.hash,
});
await tx.wait();
setStatusMessage(t("status.onchain"), "success", "status.onchain");
formEl.reset();
setHistory((prev) => [
{
hash: tx.hash,
to: recipient,
from: account,
message,
createdAt: Date.now(),
},
...prev,
]);
} catch (err) {
console.error("Send failed", err);
setStatusMessage(normalizeError(err, t("errors.sendFailed"), t), "error");
} finally {
setSending(false);
}
}
const { theme, toggleTheme } = useTheme();
return (
<main className="page">
<header className="hero">
<div className="hero-row">
<div className="hero-text">
<div className="hero-topline">
<Image
src="/logo.svg"
alt="PolyNote logo"
width={52}
height={52}
className="logo-mark"
/>
<div className="eyebrow">{t("hero.eyebrow")}</div>
</div>
<h1>{t("hero.title")}</h1>
<p className="lede">{t("hero.lede")}</p>
</div>
<div className="hero-actions">
<LocaleSelector
locale={locale}
onChange={(code) => setLocale(code as Locale)}
options={localeOptions}
label={t("locale.label")}
searchPlaceholder={t("locale.search")}
/>
<button
type="button"
className="ghost theme-toggle"
onClick={toggleTheme}
aria-pressed={theme === "dark"}
title={t("theme.toggle")}
>
{theme === "dark" ? "🌙" : "☀️"}{" "}
{theme === "dark" ? t("theme.light") : t("theme.dark")}
</button>
</div>
</div>
</header>
<section className="grid">
<article className="card">
<div className="card-head">
<div>
<p className="label">{t("connection.title")}</p>
<p className="muted">{t("connection.subtitle")}</p>
</div>
<span className="pill pill-quiet">{t("connection.pill")}</span>
</div>
<div className="stack">
<div className="button-row">
<button
id="connectBtn"
type="button"
onClick={connectWallet}
disabled={disableConnect}
>
{connecting ? t("compose.sending") : t("connection.connect")}
</button>
<button
id="disconnectBtn"
type="button"
className="ghost"
onClick={() => disconnect(true)}
disabled={disableDisconnect}
>
{t("connection.disconnect")}
</button>
</div>
</div>
<dl className="meta">
<div>
<dt>{t("connection.account")}</dt>
<dd>{account || "—"}</dd>
</div>
<div>
<dt>{t("connection.chain")}</dt>
<dd>{chainLabel}</dd>
</div>
<div>
<dt>{t("connection.status")}</dt>
<dd>{connected ? t("connection.connected") : t("connection.notConnected")}</dd>
</div>
</dl>
</article>
<article className="card">
<div className="card-head">
<div>
<p className="label">{t("compose.title")}</p>
<p className="muted">{t("compose.subtitle")}</p>
</div>
<span className={chainPillClass}>{chainPillText}</span>
</div>
<form
id="messageForm"
ref={formRef}
className="stack"
noValidate
onSubmit={handleSendMessage}
>
<label className="input-label" htmlFor="toAddress">
{t("compose.recipientLabel")}{" "}
<span className="muted">{t("compose.recipientHint")}</span>
</label>
<input
id="toAddress"
name="to"
type="text"
placeholder="0x destination (optional)"
autoComplete="off"
/>
<label className="input-label" htmlFor="messageInput">
{t("compose.messageLabel")}
</label>
<textarea
id="messageInput"
name="message"
rows={4}
maxLength={280}
placeholder={t("compose.messagePlaceholder")}
disabled={!connected}
></textarea>
<p className="hint">{t("compose.messageHint")}</p>
<button id="sendBtn" type="submit" className="primary" disabled={disableSend}>
{sending ? t("compose.sending") : t("compose.send")}
</button>
</form>
</article>
<article className="card status-card">
<div className="card-head">
<div>
<p className="label">{t("live.title")}</p>
<p className="muted">{t("live.subtitle")}</p>
</div>
</div>
<div className={statusClass}>{status.text}</div>
<div className="status-line secondary">
<span className="dot"></span>
<span>{onPolygon ? t("live.chainReady") : t("live.chainRequired")}</span>
</div>
<div className="tx-box">
<div className="label">{t("live.lastTx")}</div>
<div className="hash">{txHash || "—"}</div>
<div className="tx-actions">
<button
type="button"
className="ghost copy-btn"
onClick={handleCopyHash}
disabled={!hasTxHash}
title={t("live.copy")}
>
{t("live.copy")}
</button>
<a
className={`link ${!hasTxHash ? "disabled" : ""}`}
href={hasTxHash ? `${polygonscanBase}${txHash}` : undefined}
target="_blank"
rel="noreferrer"
aria-disabled={!hasTxHash}
>
{t("live.viewOnPolygonscan")}
</a>
</div>
<div className="hint">{t("live.trackHint")}</div>
</div>
<div className="history">
<div className="history-head">
<div>
<p className="label">{t("history.title")}</p>
<p className="muted">{t("history.subtitle")}</p>
</div>
</div>
{history.length === 0 ? (
<div className="history-empty">{t("history.empty")}</div>
) : (
<ul className="history-list">
{history.map((item) => (
<li key={item.hash} className="history-item">
<div className="history-row">
<span className="pill pill-quiet">{t("history.sent")}</span>
<span className="history-time">
{new Date(item.createdAt).toLocaleTimeString()}
</span>
</div>
<div className="history-meta">
<span>
{t("history.from")}: {item.from}
</span>
<span>
{t("history.to")}: {item.to}
</span>
</div>
<div className="history-message">{item.message}</div>
<div className="history-hash">
{item.hash.slice(0, 10)}…{item.hash.slice(-6)}
</div>
</li>
))}
</ul>
)}
</div>
</article>
</section>
</main>
);
}
function pickInjectedProvider(): Eip1193Provider | null {
if (typeof window === "undefined") return null;
const { ethereum, trustwallet } = window as EthereumWindow;
if (ethereum?.providers?.length) {
const trust = ethereum.providers.find((p) => p.isTrustWallet || p.isTrust);
if (trust) return trust;
return ethereum.providers[0];
}
if (trustwallet) return trustwallet;
return ethereum || null;
}
function parseChainId(chainId: string | number): number {
if (typeof chainId === "string" && chainId.startsWith("0x")) {
return parseInt(chainId, 16);
}
return Number(chainId);
}
function normalizeError(
err: unknown,
fallback: string,
t: (key: string, vars?: Record<string, string>) => string
): string {
if (!err) return fallback;
if (typeof err === "string") return err;
if (typeof err === "object") {
const maybeError = err as { code?: number | string; message?: string; reason?: string };
if (maybeError.code === 4001 || maybeError.message?.toLowerCase().includes("user rejected"))
return t("status.rejected");
if (maybeError.message) return maybeError.message;
if (maybeError.reason) return maybeError.reason;
}
return fallback;
}

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import js from "@eslint/js";
import pluginNext from "@next/eslint-plugin-next";
import pluginReact from "eslint-plugin-react";
import pluginReactHooks from "eslint-plugin-react-hooks";
import pluginJsxA11y from "eslint-plugin-jsx-a11y";
import pluginPrettier from "eslint-plugin-prettier";
import tseslint from "@typescript-eslint/eslint-plugin";
import tsParser from "@typescript-eslint/parser";
import globals from "globals";
export default [
{
name: "ignores",
ignores: ["**/node_modules/**", "**/.next/**", "**/dist/**", "**/build/**", "next-env.d.ts"],
},
js.configs.recommended,
{
name: "base:react-next",
files: ["**/*.{js,jsx,ts,tsx}"],
languageOptions: {
parser: tsParser,
parserOptions: {
ecmaVersion: "latest",
sourceType: "module",
ecmaFeatures: { jsx: true },
},
globals: {
...globals.browser,
React: "readonly",
},
},
plugins: {
"@next/next": pluginNext,
react: pluginReact,
"react-hooks": pluginReactHooks,
"jsx-a11y": pluginJsxA11y,
prettier: pluginPrettier,
"@typescript-eslint": tseslint,
},
settings: {
react: { version: "detect" },
},
rules: {
...pluginNext.configs["core-web-vitals"].rules,
...pluginReact.configs.recommended.rules,
...pluginReactHooks.configs.recommended.rules,
...pluginJsxA11y.configs.recommended.rules,
...pluginPrettier.configs.recommended.rules,
...tseslint.configs.recommended.rules,
"react/react-in-jsx-scope": "off",
},
},
{
name: "scripts:node",
files: ["scripts/**/*.{js,cjs}"],
languageOptions: {
sourceType: "script",
globals: globals.node,
},
},
];

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/// <reference types="next" />
/// <reference types="next/image-types/global" />
/// <reference path="./.next/types/routes.d.ts" />
// NOTE: This file should not be edited
// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

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/** @type {import('next').NextConfig} */
const nextConfig = {
output: "standalone",
eslint: {
ignoreDuringBuilds: true, // we run eslint separately with flat config + ESLint 9
},
};
export default nextConfig;

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{
"name": "poly-note",
"version": "1.0.0",
"type": "module",
"scripts": {
"dev": "node scripts/ensure-middleware-manifest.cjs && pnpm exec next dev",
"build": "NEXT_DISABLE_ESLINT=1 pnpm exec next build",
"start": "node scripts/ensure-middleware-manifest.cjs && NEXT_DISABLE_ESLINT=1 pnpm exec next start",
"lint": "pnpm exec eslint .",
"format": "prettier --check ."
},
"dependencies": {
"ethers": "^6.16.0",
"next": "^15.0.3",
"react": "^18.3.1",
"react-dom": "^18.3.1"
},
"devDependencies": {
"@types/node": "^22.9.3",
"@types/react": "19.2.9",
"@typescript-eslint/eslint-plugin": "^8.17.0",
"@typescript-eslint/parser": "^8.17.0",
"@eslint/js": "^9.12.0",
"@next/eslint-plugin-next": "^15.5.9",
"eslint": "^9.12.0",
"eslint-plugin-jsx-a11y": "^6.9.0",
"eslint-plugin-prettier": "^5.2.1",
"eslint-plugin-react": "^7.37.2",
"eslint-plugin-react-hooks": "^5.0.0",
"globals": "^15.12.0",
"prettier": "^3.3.3",
"typescript": "5.9.3"
}
}

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<svg width="256" height="256" viewBox="0 0 256 256"
xmlns="http://www.w3.org/2000/svg">
<!-- Base hexagon -->
<path d="M128 28
L208 72
L208 160
L128 204
L48 160
L48 72 Z"
fill="#6B4EFF"/>
<!-- Centered envelope (offset on Y) -->
<rect x="76" y="80" width="104" height="72" rx="10"
fill="none"
stroke="#FFFFFF"
stroke-width="8"/>
<!-- Envelope flap -->
<path d="M76 88 L128 120 L180 88"
fill="none"
stroke="#FFFFFF"
stroke-width="8"
stroke-linecap="round"
stroke-linejoin="round"/>
</svg>
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scripts/ensure-middleware-manifest.cjs Normal file
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const fs = require("fs");
const path = require("path");
const manifestPath = path.join(__dirname, "..", ".next", "server", "middleware-manifest.json");
const dir = path.dirname(manifestPath);
try {
if (!fs.existsSync(manifestPath)) {
fs.mkdirSync(dir, { recursive: true });
const payload = {
version: 2,
middleware: {},
functions: {},
sortedMiddleware: [],
clientInfo: [],
};
fs.writeFileSync(manifestPath, JSON.stringify(payload, null, 2));
console.log(`Created missing middleware manifest at ${manifestPath}`);
}
} catch (err) {
console.warn("Could not ensure middleware manifest (likely permissions). You can create it manually:", manifestPath, err?.message);
}

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tsconfig.json Normal file
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{
"compilerOptions": {
"target": "esnext",
"lib": ["dom", "dom.iterable", "esnext"],
"baseUrl": ".",
"paths": {
"@/*": ["app/*"]
},
"allowJs": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "preserve",
"incremental": true,
"plugins": [{ "name": "next" }]
},
"include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
"exclude": ["node_modules"]
}