sendETH

This is a mobile app created for an interview test.

Framework: React Native (React Native CLI)

Version: 0.64.2

Installation Steps

Setup the React Native CLI Development environment for your machine if you haven't already: Follow this guide

Now, follow the below steps in order to run the app:

1. Clone this repo using Sourcetree or using git: git clone https://github.com/Cypherball/sendETH.git

2. cd sendETH

3. npm i to install node packages (use --force argument if any dependency error occurs)

4. cd ios && pod install to generate ios pod files (skip if building for android only on windows)

5. cd ../ traverse back to the root directory

6. npx react-native start to start the metro server (keep running in terminal)

7. react-native run-android (in separate/new terminal) to run app in android simulator. Before running android please open the android simulator to run the app

8. react-native run-ios (in separate/new terminal) to run the app in ios simulator

App Features

• Sending Ether using Ropsten testnet
• Check Account's Ether Balance
• View All Transactions
• Transaction Status (Does not display pending transactions)
• Input Validation
• NOTE: You need to refresh manually after waiting for a few moments after sending a transaction, since the API does not immediately retrieve it.

Details

• My testnet private key is hardcoded into the app which is visible in ./src/config/index.js
• Ethers Library is used to send transactions between accounts and retreive account balance.
• Etherscan API is used to fetch the account's list of transactions.
• Validator Library is used for validations.
• React-Native-Paper Library is used for the UI.