🌈🦄 Build your own AI-generated Art NFT DApp!

import argparse
from stable_diffusion_tf.stable_diffusion import Text2Image
from PIL import Image
import os

parser = argparse.ArgumentParser(description="Stable Diffusion")
parser.add_argument("--h",dest="height", type=int,help="height of the image",default=512)
parser.add_argument("--w",dest="width", type=int,help="width of the image",default=512)
parser.add_argument("--p",dest="prompt", type=str,help="Description of the image you want to generate",default="cat")
parser.add_argument("--n",dest="numSteps", type=int,help="Number of Steps",default=50)
parser.add_argument("--u",dest="unconditionalGuidanceScale", type=float,help="Number of Steps",default=7.5)
parser.add_argument("--t",dest="temperature", type=int,help="Number of Steps",default=1)
parser.add_argument("--b",dest="batchSize", type=int,help="Number of Images",default=1)
parser.add_argument("--o",dest="output", type=str,help="Output Folder where to store the Image",default="./")

args=parser.parse_args()
height=args.height
width=args.width
prompt=args.prompt
numSteps=args.numSteps
unconditionalGuidanceScale=args.unconditionalGuidanceScale
temperature=args.temperature
batchSize=args.batchSize
output=args.output

generator = Text2Image(
    img_height=height,
    img_width=width,
    jit_compile=False, # You can try True as well (different performance profile)
)

img = generator.generate(
    prompt,
    num_steps=numSteps,
    unconditional_guidance_scale=unconditionalGuidanceScale,
    temperature=temperature,
    batch_size=batchSize,
)
for i in range(0,batchSize):
  pil_img = Image.fromarray(img[i])
  image = pil_img.save(f"{output}/image{i}.png")

generator = Text2Image(
    img_height=height,
    img_width=width,
    jit_compile=False,
)

img = generator.generate(
    prompt,
    num_steps=numSteps,
    unconditional_guidance_scale=unconditionalGuidanceScale,
    temperature=temperature,
    batch_size=batchSize,
)

bacalhau docker run --gpu 1 ghcr.io/bacalhau-project/examples/stable-diffusion-gpu:0.0.1 -- python main.py --o ./outputs --p "Rainbow Unicorn"

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@hardhat/console.sol"; 

contract BacalhauFRC721 is ERC721URIStorage {
/** @notice Counter keeps track of the token ID number for each unique NFT minted in the NFT collection */
    using Counters for Counters.Counter;
    Counters.Counter private _tokenIds;

/** @notice This struct stores information about each NFT minted */
    struct bacalhauFRC721NFT {
        address owner;
        string tokenURI;
        uint256 tokenId;
    }

 /** @notice Keeping an array for each of the NFT's minted on this contract allows me to get information on them all with a read-only front end call */
    bacalhauFRC721NFT[] public nftCollection;
/** @notice The mapping allows me to find NFT's owned by a particular wallet address. I'm only handling the case where an NFT is minted to an owner in this contract - but you'd need to handle others in a mainnet contract like sending to other wallets */
    mapping(address => bacalhauFRC721NFT[]) public nftCollectionByOwner;

/** @notice This event will be triggered (emitted) each time a new NFT is minted - which I will watch for on my front end in order to load new information that comes in about the collection as it happens */
    event NewBacalhauFRC721NFTMinted(
      address indexed sender,
      uint256 indexed tokenId,
      string tokenURI
    );

/** @notice Creates the NFT Collection Contract with a Name and Symbol */
    constructor() ERC721("Bacalhau NFTs", "BAC") {
      console.log("Hello Fil-ders! Now creating Bacalhau FRC721 NFT contract!");
    }

/** 
@notice The main function which will mint each NFT.
The ipfsURI is a link to the ipfs content identifier hash of the NFT metadata stored on NFT.Storage. This data minimally includes name, description and the image in a JSON.
*/
    function mintBacalhauNFT(address owner, string memory ipfsURI)
        public
        returns (uint256)
    {
        // get the tokenID for this new NFT
        uint256 newItemId = _tokenIds.current();

        // Format info for saving to our array
        bacalhauFRC721NFT memory newNFT = bacalhauFRC721NFT({
            owner: msg.sender,
            tokenURI: ipfsURI,
            tokenId: newItemId
        });

        //mint the NFT to the chain
        _mint(owner, newItemId);
        //Set the NFT Metadata for this NFT
        _setTokenURI(newItemId, ipfsURI);

        _tokenIds.increment();

        //Add it to our collection array & owner mapping
        nftCollection.push(newNFT);
        nftCollectionByOwner[owner].push(newNFT);

        // Emit an event on-chain to say we've minted an NFT
        emit NewBacalhauFRC721NFTMinted(
          msg.sender,
          newItemId,
          ipfsURI
        );

        return newItemId;
    }

    /**
     * @notice helper function to display NFTs for frontends
     */
    function getNFTCollection() public view returns (bacalhauFRC721NFT[] memory) {
        return nftCollection;
    }

    /**
     * @notice helper function to fetch NFT's by owner
     */
    function getNFTCollectionByOwner(address owner) public view returns (bacalhauFRC721NFT[] memory){
        return nftCollectionByOwner[owner];
    }

import '@nomicfoundation/hardhat-toolbox';
import { config as dotenvConfig } from 'dotenv';
import { HardhatUserConfig } from 'hardhat/config';
import { resolve } from 'path';

//Import our customised tasks
// import './pages/api/hardhat/tasks';

const dotenvConfigPath: string = process.env.DOTENV_CONFIG_PATH || './.env';
dotenvConfig({ path: resolve(__dirname, dotenvConfigPath) });

// Ensure that we have all the environment variables we need.
const walletPrivateKey: string | undefined = process.env.WALLET_PRIVATE_KEY;
if (!walletPrivateKey) {
  throw new Error('Please set your Wallet private key in a .env file');
}

const config: HardhatUserConfig = {
  solidity: '0.8.17',
  defaultNetwork: 'filecoinHyperspace',
  networks: {
    hardhat: {},
    filecoinHyperspace: {
      url: 'https://api.hyperspace.node.glif.io/rpc/v1',
      chainId: 3141,
      accounts: [process.env.WALLET_PRIVATE_KEY ?? 'undefined'],
    },
    // bleeding edge often-reset FVM testnet
    filecoinWallaby: {
      url: 'https://wallaby.node.glif.io/rpc/v0',
      chainId: 31415,
      accounts: [process.env.WALLET_PRIVATE_KEY ?? 'undefined'],
      //explorer: https://wallaby.filscan.io/ and starboard
    },
  },
// I am using the path mapping so I can keep my hardhat deployment within the /pages folder of my DApp and therefore access the contract ABI for use on my frontend
  paths: {
    root: './pages/api/hardhat',
    tests: './pages/api/hardhat/tests', //who names a directory in the singular?!!! Grammarly would not be happy
    cache: './pages/api/hardhat/cache',
  },
};

export default config;

import hre from 'hardhat';

import type { BacalhauFRC721 } from '../typechain-types/contracts/BacalhauFRC721';
import type { BacalhauFRC721 __factory } from '../typechain-types/factories/contracts/BacalhauFRC721__ factory';

async function main() {
  console.log('Bacalhau721 deploying....');

   // needed as hardhat's default does not map correctly to the FEVM
  const owner = new hre.ethers.Wallet(
    process.env.WALLET_PRIVATE_KEY || 'undefined',
    hre.ethers.provider
  );
  const bacalhauFRC721Factory: BacalhauFRC721__factory = <
    BacalhauFRC721__factory
  > await hre.ethers.getContractFactory('BacalhauFRC721', owner);

  const bacalhauFRC721: BacalhauFRC721 = <BacalhauFRC721>(
    await bacalhauFRC721Factory.deploy()
  );
  await bacalhauFRC721.deployed();
  console.log('bacalhauFRC721 deployed to ', bacalhauFRC721.address);
  // optionally log to a file here
}

main().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});

npx hardhat run ./deployBacalhauFRC721.ts --network filecoinHyperspace

curl -XPOST -d '{"prompt": "rainbow unicorn"}' 'http://dashboard.bacalhau.org:1000/api/v1/stablediffusion';


import { CID } from 'multiformats/cid';

export const callBacalhauJob = async (promptInput: string) => {
  //Bacalahau HTTP Stable Diffusion Endpoint
  const url = 'http://dashboard.bacalhau.org:1000/api/v1/stablediffusion';
  const headers = {
    'Content-Type': 'application/x-www-form-urlencoded',
  };
  const data = {
    prompt: promptInput, //The user text prompt!
  };
  /* FETCH FROM BACALHAU ENDPOINT */
  const cid = await fetch(url, {
    method: 'POST',
    body: JSON.stringify(data),
    headers: headers,
  })
    .then(async (res) => {
      let body = await res.json();
      if (body.cid) {
/* Bacalhau returns a V0 CID which we want to convert to a V1 CID for easier usage with http gateways (ie. displaying the image on web), so I'm using the IPFS multiformats package to convert it here */
        return CID.parse(body.cid).toV1().toString();
      }
    })
    .catch((err) => {
      console.log('error in bac job', err);
    });
  return cid;
};