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support on-chain metadata as strong instead of erroring #14

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support on-chain metadata as strong instead of erroring #14

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36 changes: 22 additions & 14 deletions src/components/HeroSection.js
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Original file line number Diff line number Diff line change
Expand Up @@ -245,18 +245,25 @@ export default function HeroSection(props) {
let [uriURL, uriProtocol] = await getURLFromURI(tokenURI);

let uriResponse;
try {
uriResponse = await fetch(uriURL, { method: "GET" });
} catch (e) {
console.error(e);
setFetchError(createMainError(nftAddress));
// setFetchError("Could not fetch NFT URI " + tokenURI);
setIsLoading(false);
return;
}
let imgURI;

let uriInfo = await uriResponse.json();
let imgURI = uriInfo.image;
if (uriProtocol !== "On-chain") {
try {
uriResponse = await fetch(uriURL, { method: "GET" });
} catch (e) {
console.error(e);
setFetchError(createMainError(nftAddress));
// setFetchError("Could not fetch NFT URI " + tokenURI);
setIsLoading(false);
return;
}

let uriInfo = await uriResponse.json();
imgURI = uriInfo.image;
} else {
// On-chain metadata can pass the image uri directly
imgURI = uriURL;
}

let [imageURIURL, protocol] = await getURLFromURI(imgURI);

Expand Down Expand Up @@ -311,12 +318,13 @@ export default function HeroSection(props) {

let severity = "undefined";
switch (uriProtocol) {
case "ipfs":
severity = "medium";
break;
case "On-chain":
case "arweave":
severity = "strong";
break;
case "ipfs":
severity = "medium";
break;
case "centralized":
severity = "poor";
break;
Expand Down
12 changes: 12 additions & 0 deletions src/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ export const arweaveEndpoint = "https://arweave.net";

const CID = require("cids");
const arweave = Arweave.init();
const BASE64_JSON_HEADER = "data:application/json;base64,";

export const buildQuery = (ipfsHash) => `
query {
Expand Down Expand Up @@ -72,13 +73,24 @@ export const getURLFromURI = async (uri) => {
if (!uri) {
return ["", "undefined"];
}

if (uri.indexOf(BASE64_JSON_HEADER) === 0) {
debugger;
var base64Data = uri.replace(BASE64_JSON_HEADER, "");
var jsonData = JSON.parse(atob(base64Data));
var imageData = await getURLFromURI(jsonData.image);
imageData[1] = "On-chain";
return imageData;
}

// if correct URI we get the protocol
let url = new URL(uri);
// if protocol other IPFS -- get the ipfs hash
if (url.protocol === "ipfs:") {
// ipfs://ipfs/Qm

let ipfsHash = url.href.replace("ipfs://ipfs/", "");
ipfsHash = ipfsHash.replace("ipfs://", "");

return [ipfsGetEndpoint + ipfsHash, "ipfs"];
}
Expand Down