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Starter code #7

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Starter code #7

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2cb0d97
Initializes front end app for starter code
gwmccubbin Jan 26, 2023
2b11d12
Create launch.json
willemarswuog Apr 1, 2023
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Empty file added .vscode/launch.json
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123 changes: 1 addition & 122 deletions src/App.js
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Original file line number Diff line number Diff line change
Expand Up @@ -17,106 +17,10 @@ import config from './config.json';
function App() {
const [provider, setProvider] = useState(null)
const [account, setAccount] = useState(null)
const [nft, setNFT] = useState(null)

const [name, setName] = useState("")
const [description, setDescription] = useState("")
const [image, setImage] = useState(null)
const [url, setURL] = useState(null)

const [message, setMessage] = useState("")
const [isWaiting, setIsWaiting] = useState(false)

const loadBlockchainData = async () => {
const provider = new ethers.providers.Web3Provider(window.ethereum)
setProvider(provider)

const network = await provider.getNetwork()

const nft = new ethers.Contract(config[network.chainId].nft.address, NFT, provider)
setNFT(nft)
}

const submitHandler = async (e) => {
e.preventDefault()

if (name === "" || description === "") {
window.alert("Please provide a name and description")
return
}

setIsWaiting(true)

// Call AI API to generate a image based on description
const imageData = await createImage()

// Upload image to IPFS (NFT.Storage)
const url = await uploadImage(imageData)

// Mint NFT
await mintImage(url)

setIsWaiting(false)
setMessage("")
}

const createImage = async () => {
setMessage("Generating Image...")

// You can replace this with different model API's
const URL = `https://api-inference.huggingface.co/models/stabilityai/stable-diffusion-2`

// Send the request
const response = await axios({
url: URL,
method: 'POST',
headers: {
Authorization: `Bearer ${process.env.REACT_APP_HUGGING_FACE_API_KEY}`,
Accept: 'application/json',
'Content-Type': 'application/json',
},
data: JSON.stringify({
inputs: description, options: { wait_for_model: true },
}),
responseType: 'arraybuffer',
})

const type = response.headers['content-type']
const data = response.data

const base64data = Buffer.from(data).toString('base64')
const img = `data:${type};base64,` + base64data // <-- This is so we can render it on the page
setImage(img)

return data
}

const uploadImage = async (imageData) => {
setMessage("Uploading Image...")

// Create instance to NFT.Storage
const nftstorage = new NFTStorage({ token: process.env.REACT_APP_NFT_STORAGE_API_KEY })

// Send request to store image
const { ipnft } = await nftstorage.store({
image: new File([imageData], "image.jpeg", { type: "image/jpeg" }),
name: name,
description: description,
})

// Save the URL
const url = `https://ipfs.io/ipfs/${ipnft}/metadata.json`
setURL(url)

return url
}

const mintImage = async (tokenURI) => {
setMessage("Waiting for Mint...")

const signer = await provider.getSigner()
const transaction = await nft.connect(signer).mint(tokenURI, { value: ethers.utils.parseUnits("1", "ether") })
await transaction.wait()
}

useEffect(() => {
Expand All @@ -126,33 +30,8 @@ function App() {
return (
<div>
<Navigation account={account} setAccount={setAccount} />
<p>Edit App.js to get started.</p>

<div className='form'>
<form onSubmit={submitHandler}>
<input type="text" placeholder="Create a name..." onChange={(e) => { setName(e.target.value) }} />
<input type="text" placeholder="Create a description..." onChange={(e) => setDescription(e.target.value)} />
<input type="submit" value="Create & Mint" />
</form>

<div className="image">
{!isWaiting && image ? (
<img src={image} alt="AI generated image" />
) : isWaiting ? (
<div className="image__placeholder">
<Spinner animation="border" />
<p>{message}</p>
</div>
) : (
<></>
)}
</div>
</div>

{!isWaiting && url && (
<p>
View&nbsp;<a href={url} target="_blank" rel="noreferrer">Metadata</a>
</p>
)}
</div>
);
}
Expand Down