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Angular Starter DApp Template

This template uses following versions

  • Angular 13
  • Hardhat 2.8
  • Ethers 5.5
  • Solidity 0.8.4

Getting started

  1. Clone this repository
git clone [email protected]:pguso/angular-hardhat-starter-dapp.git
  1. Install dependencies
npm install
  1. Install Metamask (if you not already did) https://metamask.io/download/
  2. Configure Polygon in Metamask https://docs.matic.today/docs/develop/metamask/config-polygon-on-metamask/ (switch to the Mumbai-Testnet Tab)
  3. Rename .env.dist to .env and paste your Metamask private key into PRIVATE_KEY
  4. Upload the contract to the Polygon Mumbai Testnet, make sure you have enough MATIC in Metamask (you can get test MATIC from here https://faucet.polygon.technology/)
npm run deploy:testnet
  1. Paste the contract address, you get on the command line, into src/environments/environment.ts
export const environment = {
  // ...
  contractAddress: '0x04215C89a6af0f7ed9103c48BaF6A8e19f119470',
  // ...
};
  1. Run angular application and test the app under http://localhost:4200
ng serve

This template has three pages

The Homepage

A list of all uploaded images.

The authors page

Only images are shown on this page that are uploaded by the selected account in Metamask.

The upload form

Here anybody who is connected via Metamask can upload an image with title and description. The image and the image metadata get uploaded to IPFS.

Hardhat config

The default config hardhat.config.js is configured for the Polygon Network. Here you find examples for other Blockchains.

Binance Smart Chain

require('@nomiclabs/hardhat-waffle')
require('dotenv').config()

const privateKey = process.env.PRIVATE_KEY

module.exports = {
  networks: {
    hardhat: {
      chainId: 1337,
    },
    testnet: {
      url: 'https://data-seed-prebsc-1-s1.binance.org:8545',
      chainId: 97,
      gasPrice: 20000000000,
      accounts: [privateKey],
    },
    mainnet: {
      url: 'https://bsc-dataseed.binance.org/',
      chainId: 56,
      gasPrice: 20000000000,
      accounts: [privateKey],
    },
  },
  solidity: '0.8.4',
}