Rollend Xavier rollendxavier

Senior Cloud & DevOps engineer

rollendxavier / Function.cs

Last active January 2, 2025 04:36

Leveraging CoinGecko API with Azure Functions for Serverless Crypto Solutions

	using System;
	using System.IO;
	using System.Net.Http;
	using System.Threading.Tasks;
	using System.Net;
	using System.Net.Mail;
	using Microsoft.AspNetCore.Mvc;
	using Microsoft.Azure.WebJobs;
	using Microsoft.Azure.WebJobs.Extensions.Http;
	using Microsoft.AspNetCore.Http;

rollendxavier / Index.js

Created November 13, 2024 11:16

Node.js program integrating Web3.js, the CoinGecko API

	const https = require('https');
	const Web3 = require('web3');
	const axios = require('axios');
	require('dotenv').config();
	const fs = require('fs');
	const express = require('express');

	// Load environment variables
	const COINGECKO_API_KEY = process.env.COINGECKO_API_KEY;

rollendxavier / MyToken.sol

Created November 13, 2024 11:14

Solidity Contract File

	// SPDX-License-Identifier: MIT
	pragma solidity ^0.8.0;

	contract MyToken {
	string public name = "MyToken";
	string public symbol = "MTK";
	uint8 public decimals = 18;
	uint256 public totalSupply = 1000000 * 10 ** uint256(decimals);
	mapping(address => uint256) public balanceOf;

rollendxavier / truffle-config.js

Created November 13, 2024 11:09

Configuring Truffle for Deployment

	const HDWalletProvider = require("@truffle/hdwallet-provider");
	const infuraKey = "YOUR_INFURA_KEY";
	const mnemonic = "your 12-word mnemonic";

	module.exports = {
	networks: {
	rinkeby: {
	provider: () => new HDWalletProvider(mnemonic, `https://rinkeby.infura.io/v3/${infuraKey}`),
	network_id: 4, // Rinkeby ID
	gas: 5500000,

rollendxavier / route.ts

Last active May 10, 2024 07:47

Trending pools code

	import { FrameRequest, getFrameMessage, getFrameHtmlResponse } from '@coinbase/onchainkit';
	import { NextRequest, NextResponse } from 'next/server';
	import { NEXT_PUBLIC_URL } from '../../config';
	import { getChartOptions } from '../lib/getChartOptions';
	import { throwErr } from '../lib/throwErr';

	async function getResponse(req: NextRequest): Promise<NextResponse> {
	let text: string \| undefined = '';
	let pool: any \| undefined = {};
	let chain: string = '';

rollendxavier / page.tsx

Last active May 8, 2024 23:04

Page code for Farcaster

	import { getFrameMetadata } from '@coinbase/onchainkit';
	import type { Metadata } from 'next';
	import { NEXT_PUBLIC_URL } from './config';

	const frameMetadata = getFrameMetadata({
	buttons: [
	{
	label: 'Trending Crypto Pools',
	},
	{

rollendxavier / index.html

Created April 8, 2024 15:20

Price Prediction UI

	<!DOCTYPE html>
	<html>
	<head>
	<title>Crypto Predictor</title>
	</head>
	<body>
	<h1>Crypto Predictor</h1>
	<form method="POST">
	<label for="coin_id">Coin ID:</label><br>
	<select id="coin_id" name="coin_id">

rollendxavier / predictor.py

Created April 8, 2024 15:17

Predicting Cryptocurrency Prices with Machine Learning and the CoinGecko API

	from flask import Flask, jsonify, render_template, request
	import requests
	import json
	import numpy as np
	from sklearn.linear_model import LinearRegression
	import time
	from sklearn.preprocessing import MinMaxScaler
	from datetime import datetime, timedelta

	app = Flask(__name__)

rollendxavier / bot.py

Created April 8, 2024 14:44

Building a Comprehensive Telegram Crypto Bot with Python

	from telegram import Update
	from telegram.ext import ApplicationBuilder, CommandHandler, ContextTypes
	import requests
	import json

	# Define your CoinGecko API key
	api_key = 'YOUR_COINGECKO_API_KEY'

	# Function to fetch cryptocurrency data from CoinGecko
	def get_crypto_data(crypto):

rollendxavier / express.js

Last active March 11, 2024 03:27

Price Tracker - express.js

	const express = require('express');
	const axios = require('axios');
	const app = express();

	app.get('/api/v3/coins/:id/history', (req, res) => {
	const url = `https://api.coingecko.com/api/v3/coins/${req.params.id}/history`;

	axios.get(url, {
	params: req.query,
	headers: {