fersilva16’s gists

fersilva16 / nixos-setup.sh

Created April 10, 2022 04:54

My NixOS setup

	sudo -i

	loadkeys br-abnt2
	setfont ter-v18n

	ifconfig
	wpa_supplicant -B -i INTERFACE -c <(wpa_passphrase 'SSID' 'PASS')

	curl google.com

fersilva16 / vite.config.ts

Created March 28, 2022 22:36

Vite with polyfills for Buffer and global

	import { defineConfig } from 'vite';
	import react from '@vitejs/plugin-react';
	import inject from '@rollup/plugin-inject';

	export default defineConfig(({ mode }) => {
	return {
	plugins: [react()],
	build:
	mode === 'production'
	? {

fersilva16 / virtualbox-nixos-setup.bash

Created March 12, 2022 21:17

NixoOS setup on VirtualBox

	sudo -i

	loadkeys br-abnt2 # Setting the keyboard layout to Brazilian ABNT2
	setfont ter-v32n # Increase font

	curl google.com # Check internet connection

	parted /dev/sda -- mklabel gpt # use GPT partition table

	parted /dev/sda -- mkpart primary 512MiB 100% # 16GiB partition for LVM and 512MiB boot partition

fersilva16 / axiosAuthInterceptor.ts

Created February 22, 2022 17:25

Auth interceptor to automatically request for new token when the response returns 401

	const api = axios.create({
	baseURL: apiBaseURL,
	});

	api.interceptors.request.use(async (config) => {
	if (!getToken()) await auth();

	return {
	...config,

fersilva16 / GraphQLFields.ts

Created February 10, 2022 22:31

Get the GraphQL fields type from a type

	export type GraphQLFields<T, C> = {
	[K in keyof T]: Omit<GraphQLFieldConfig<T, C>, 'type' \| 'resolve'> & {
	type: GraphQLScalarTypeConfig<T[K], T[K]>,
	resolve?: GraphQLFieldResolver<T, C, any, T[K]>
	};
	};

fersilva16 / package.json

Created February 7, 2022 15:23

Run a TypeScript project using ESBuild and TSUP

	{
	"scripts": {
	"build": "tsup",
	"dev": "yarn build --onSuccess \"yarn start\"",
	"dev:watch": "yarn dev --watch",
	"start": "node dist/index.js",
	},
	"devDependencies": {
	"tsup": "^5.11.13",
	"typescript": "4.5.5"

fersilva16 / findByOwnerBenchmark.js

Last active February 5, 2022 16:25

Benchmark of Metaplex's Metadata's findByOwner method

	const web3 = require('@solana/web3.js');
	const { Metadata } = require('./token-metadata/js/dist/src/mpl-token-metadata');

	const connection = new web3.Connection(web3.clusterApiUrl('devnet'), 'confirmed');
	const wallet = new web3.PublicKey('WALLET_PUBLIC_KEY');

	console.time('findByOwnerV2');
	Metadata.findByOwnerV2(connection, wallet).then(() => console.timeEnd('findByOwnerV2'));

	console.time('findByOwnerV3');

fersilva16 / getTokensOfOwnerFromWallet.ts

Created February 4, 2022 20:10

Get tokens of the owner from an given wallet

	import web3 from '@solana/web3.js';
	import base58 from 'bs58';

	import { asyncFilter } from './asyncFilter'; // From https://gist.github.com/fersilva16/dea9bb85ca69de435d01b8793d44948a

	const TOKEN_PROGRAM_ID = new web3.PublicKey(
	'TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA'
	);

	const TOKEN_METADATA_PROGRAM_ID = new web3.PublicKey(

fersilva16 / asyncFilter.ts

Created February 4, 2022 17:58

Async array filter

	import { asyncEach } from './asyncEach'; // From https://gist.github.com/fersilva16/bdf2d0b9a5eedbcf7232760df876a87d

	export async function asyncFilter<T>(
	array: { map(callback: (value: T) => any): Promise<any>[] },
	predicate: (value: T) => Promise<boolean>
	): Promise<T[]> {
	const result: T[] = [];

	await asyncEach(array, async (value, ...args) => {
	const shouldAdd = await predicate(value, ...args);

fersilva16 / transformMUIImports.ts

Last active January 13, 2022 19:13

Fix MUI imports from v4

	import type { FileInfo, API } from 'jscodeshift';

	const newPackagesMap: Record<string, string> = {
	'@material-ui/core': '@mui/material',
	'@material-ui/icons': '@mui/icons-material',
	'@material-ui/styles': '@mui/styles',
	};

	const newPackages = Object.keys(newPackagesMap);

Fernando Silva fersilva16