first commit

.eslintignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

.eslintrc.cjs

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+module.exports = {
+	root: true,
+	parser: '@typescript-eslint/parser',
+	extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'],
+	plugins: ['svelte3', '@typescript-eslint'],
+	ignorePatterns: ['*.cjs'],
+	overrides: [{ files: ['*.svelte'], processor: 'svelte3/svelte3' }],
+	settings: {
+		'svelte3/typescript': () => require('typescript')
+	},
+	parserOptions: {
+		sourceType: 'module',
+		ecmaVersion: 2020
+	},
+	env: {
+		browser: true,
+		es2017: true,
+		node: true
+	}
+};

.gitignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+.vercel
+.output
+vite.config.js.timestamp-*
+vite.config.ts.timestamp-*

.npmrc

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+engine-strict=true

.prettierignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

.prettierrc

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+{
+	"useTabs": true,
+	"singleQuote": true,
+	"trailingComma": "none",
+	"printWidth": 100,
+	"plugins": ["prettier-plugin-svelte"],
+	"pluginSearchDirs": ["."],
+	"overrides": [{ "files": "*.svelte", "options": { "parser": "svelte" } }]
+}

README.md

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+# sbtc-bridge
+
+## Introduction
+
+Sbtc-bridge supports the trustless swap of BTC to/from sBTC.
+sBTC is a SIP-010 fungible token on the Stacks Blockchain that can be used in
+defi protocols, nft marketplace, dao governance and many more applications.
+
+Non-custodial swaps between Bitcoin and Stacks Blockchains are possible because
+Clarity Smart Contracts have direct read and write access to the Bitcoin chain - Stacks is
+a Bitcoin Layer 2 technology.
+
+## Development
+
+```bash
+npm install
+npm install sass
+npm run dev
+# or
+npm run dev -- --open
+```
+
+### Deployment
+
+First build the application;
+
+```bash
+npm run build
+```
+
+Note you can preview the production build locally with `npm run preview`.
+
+#### Github Pages
+
+Requires access to github settings and for a branch `gh-pages` to be created from `main`.
+Then run;
+
+```bash
+node ./gh-pages.js
+```
+
+This pushes the contents of `build/` to the `gh-pages` branch. Github Pages
+has been configured on the repository to serve the application from;
+
+```bash
+https://trust-machines.github.io/sbtc-bridge
+```
+
+The basic strategy is to deploy the `distribution files` to a branch called `gh-pages` and then configure Github Pages to serve the application from there. Details on Github Pages and Svelte
+applications can be found in these guides.
+
+- [Github Pages how to](https://docs.github.com/en/pages)
+- [Svelte + Github Pages how to](https://github.com/sveltejs/kit/tree/master/packages/adapter-static#spa-mode)
+
+#### Linode / Digital Ocean
+
+Create your preferred target environment (Debian VM + Nginx for example).
+Update the deploy script with your config and add your public ssh key to known hosts.
+Then run;
+
+```bash
+bash ./deploy-remote.sh
+```
+
+### Packaging
+
+The application can be packaged and uploaded to the npm registry;
+
+```bash
+./node_modules/.bin/svelte-kit package
+cd package
+npm publish
+```
+
+## Bundling bitcoinjs-lib
+
+This application ports the Bitcoinjs library by polyfilling nodejs dependencies. For
+Details see 1 below. Bitcoin js can also be bundled using browserify. This is an older and
+more clunky - details below.
+
+### 1. Polyfill
+
+The main issue is configuring vite to polyfill the required nodejs dependencies. This
+has to be done in both the development and production build environments. The various
+legacy modules and dependencies and the number of circular dependencies together with the
+fact tha the nodejs module mechanics differ from those of the client side code means
+its just not easy!
+The following came close to successfully polyfilling Buffer into bitcoinjs
+[Polyfill Node.js built-in modules with Vite](https://medium.com/@ftaioli/using-node-js-builtin-modules-with-vite-6194737c2cd2). But even with excellent guides
+like this there may be slight differences and a problem persisted in the development
+build environment.
+
+```bash
+npm install bitcoinjs-lib browserify uglify-es
+```
+
+### 2. Pre-Compiling Bitcoinjs Module
+
+See [How to Browserify](https://github.com/bitcoinjs/bitcoinjs-lib/issues/965).
+
+Following the advice here (after uninstalling/re-installing browserify) led to
+a javascript module.
+
+Get correct browserify by checking and sym linking;
+
+```bash
+npm install -g browserify
+npm install -g uglify-es
+/Users/mikey/.nvm/versions/node/v16.14.2/bin/browserify --version
+ln -s /Users/mikey/.nvm/versions/node/v16.14.2/bin/browserify /usr/local/bin/browserify
+```
+
+Download the latest tag of bitcoinjs;
+
+```bash
+git clone git@github.com:bitcoinjs/bitcoinjs-lib.git
+cd bitcoinjs-lib
+git fetch --all
+git checkout f221e1f7ac01c11b715e3398e04514a7df64ae42
+npm install
+```
+
+Bundle the library and its dependencies;
+
+```bash
+browserify -r . --standalone bitcoinjs > bitcoinjs.js
+uglifyjs -c --mangle reserved=['BigInteger','ECPair','Point'] bitcoinjs.js > bitcoinjs.min.js
+```
+
+Svelte configuration;
+
+```bash
+cp bitcoinjs.* ../multisig-svelte/static/public
+```
+
+in app.html add
+
+```bash
+<script src="%sveltekit.assets%/public/bitcoinjs.js"></script>
+```
+
+Note this will be bitcoinjs.min.js in production.

gh-pages.js

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+import ghpages from 'gh-pages';
+
+ghpages.publish(
+    'build', // path to public directory
+    {
+        branch: 'gh-pages',
+        repo: 'https://github.com/Trust-Machines/blocksim.git', // Update to point to your repository  
+        user: {
+            name: 'radicleart', // update to use your name
+            email: 'mjoecohen@gmail.com' // Update to use your email
+        },
+        dotfiles: true
+    },
+    (e) => {
+        console.log('Deploy Complete!', e)
+    }
+)