82 lines
2.4 KiB
JavaScript
82 lines
2.4 KiB
JavaScript
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export { bootstrap };
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// 1. Record a start time.
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// 2. Load the bootstrap document.
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// 3. Load all the content_addresses from the bootstrap.
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// 4. Record the end time.
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async function load_bootstrap() {
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let response = await fetch("/api/v1/ref/all/username");
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if (!response.ok) {
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throw new Error("Network response was not ok: " + response.statusText);
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}
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return await response.json();
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}
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/**
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* @param {String} dbName
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* @param {Array<String>} storeNames
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* @returns {Promise<IDBDatabase>}
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*/
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async function openDatabase(dbName, storeNames) {
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return await new Promise((resolve, reject) => {
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const request = indexedDB.open(dbName, 1);
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request.onupgradeneeded = (event) => {
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const db = event.target.result;
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for (var storeName of storeNames) {
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// Create the object store if it doesn't exist
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if (!db.objectStoreNames.contains(storeName)) {
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db.createObjectStore(storeName);
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}
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}
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};
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request.onsuccess = (event) => {
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const db = event.target.result;
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resolve(db);
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};
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request.onerror = (event) => {
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reject(event.target.error);
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};
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});
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}
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/**
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* @param {IDBObjectStore} store
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* @param {Object} reference
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*/
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function load_reference_paths(store, reference) {
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let root_path = reference.path;
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return new Promise(async (resolve, reject) => {
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if (reference.dependents) {
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for (var dep of reference.dependents) {
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await load_reference_paths(store, dep);
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}
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}
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const request = store.put(JSON.stringify(reference), root_path);
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request.onerror = (evt) => {
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reject(evt.target.error);
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console.log("Failed to store object", evt);
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};
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request.onsuccess = (evt) => {
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resolve(evt.target.result);
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};
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});
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}
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async function bootstrap() {
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const refStoreName = "references"
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const objectStoreName = "objects"
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const databaseName = "MerkleStore";
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const start = new Date().getTime();
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let root = await load_bootstrap();
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let db = await openDatabase(databaseName, [refStoreName, objectStoreName]);
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const transaction = db.transaction([refStoreName], "readwrite");
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const store = transaction.objectStore(refStoreName);
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load_reference_paths(store, root);
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var end = new Date().getTime();
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return end - start;
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}
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