EXP-0003:

Read the Blog Post

Overview

Sequence Diagram

sequenceDiagram
  autonumber
  participant C as Client
  participant S as Server
  participant P as Porton

  C ->> S: GET /keys/:address?expiry&expiry=
  S ->> S: keyPair = P256.randomKeyPair()
  note right of S: Server encrypts and saves privateKey
  S -->> C: { type: 'p256', publicKey }
  C ->> P: experimental_grantPermissions(permissions)
  C -) S: POST /schedule <br/> { address, action: "mint", "schedule": "*****" }
  loop CRON
      S ->> P: { digest, request } = wallet_prepareCalls(calls)
      S ->> S: signature = P256.sign(digest, key)
      S ->> P: hash = wallet_sendPreparedCalls(request, signature)
  end

Loading

Live demo

• exp-0003-client.evm.workers.dev - Client
• exp-0003-server.evm.workers.dev - Server

Keywords

• Client: frontend application running in the browser,
• Server: handles key generation, preparing and sending calls, scheduling and managing CRON jobs.

Getting Started

Prerequisites

# install / update pnpm
npm install --global pnpm@latest
# install dependencies 
pnpm install

Setup environment variables

# replace values with your own cloudflare account id and API token
cp .env.example .env

Setup Server database (Cloudflare D1)

# create database (this will fail if the database already exists)
pnpm --filter='server' db:create
# bootstrap the existing database.
pnpm --filter='server' db:bootstrap

Start dev for worker and client

pnpm --filter='server' --filter='client' dev

Deploying

Requirements

• a Cloudflare account
• wrangler CLI: pnpm add --global wrangler@latest,
• authenticate with wrangler login

Deploy client

cd client
pnpm build

pnpm wrangler deploy dist --config='wrangler.toml'

Deploy worker

cd server

pnpm wrangler deploy dist --config='wrangler.toml'