light-curate-data-service
Version:
A TypeScript library for interacting with LightGeneralizedTCR contracts
51 lines (50 loc) • 1.89 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.uploadJSONToIPFS = exports.uploadToIPFS = void 0;
exports.fetchFromIPFS = fetchFromIPFS;
const uploadToIPFS = async (data, fileName) => {
const blob = new Blob([data], { type: "application/octet-stream" });
const formdata = new FormData();
formdata.append("data", blob, fileName);
try {
const response = await fetch("https://kleros-api.netlify.app/.netlify/functions/upload-to-ipfs?operation=file&pinToGraph=true", {
method: "POST",
body: formdata,
redirect: "follow",
});
if (!response.ok) {
throw new Error(`Failed to upload to IPFS: ${response.statusText}`);
}
const result = (await response.json());
const cid = result.cids[0]; // Extract the first CID from the cids array
console.log("Uploaded to IPFS:", cid);
return cid;
}
catch (error) {
console.error("IPFS upload error:", error);
throw error;
}
};
exports.uploadToIPFS = uploadToIPFS;
const uploadJSONToIPFS = async (data) => {
const jsonString = JSON.stringify(data, null, 2);
const jsonBytes = new TextEncoder().encode(jsonString);
return (0, exports.uploadToIPFS)(jsonBytes, "item.json");
};
exports.uploadJSONToIPFS = uploadJSONToIPFS;
async function fetchFromIPFS(ipfsPath) {
try {
// Remove '/ipfs/' prefix if present
const cleanPath = ipfsPath.replace(/^\/ipfs\//, "");
const url = `https://cdn.kleros.link/ipfs/${cleanPath}`;
const response = await fetch(url);
if (!response.ok) {
throw new Error(`Failed to fetch from IPFS: ${response.statusText}`);
}
return await response.json();
}
catch (error) {
console.error("Error fetching from IPFS:", error);
throw error;
}
}