diff --git a/avaxSearchDB.js b/avaxSearchDB.js
new file mode 100644
index 0000000..41d1d71
--- /dev/null
+++ b/avaxSearchDB.js
@@ -0,0 +1,105 @@
+class SearchedAddressDB {
+ constructor() {
+ this.dbName = "AvaxWalletDB";
+ this.version = 1;
+ this.storeName = "searchedAddresses";
+ this.db = null;
+ }
+
+ async init() {
+ return new Promise((resolve, reject) => {
+ const request = indexedDB.open(this.dbName, this.version);
+ request.onerror = () => reject(request.error);
+ request.onsuccess = () => {
+ this.db = request.result;
+ resolve();
+ };
+ request.onupgradeneeded = (event) => {
+ const db = event.target.result;
+ if (!db.objectStoreNames.contains(this.storeName)) {
+ const store = db.createObjectStore(this.storeName, {
+ keyPath: "address",
+ });
+ store.createIndex("timestamp", "timestamp", { unique: false });
+ }
+ };
+ });
+ }
+
+ async saveSearchedAddress(
+ avaxAddress,
+ balance,
+ timestamp = Date.now(),
+ sourceInfo = null
+ ) {
+ if (!this.db) await this.init();
+ return new Promise((resolve, reject) => {
+ const transaction = this.db.transaction([this.storeName], "readwrite");
+ const store = transaction.objectStore(this.storeName);
+ const getRequest = store.get(avaxAddress);
+ getRequest.onsuccess = () => {
+ const existingRecord = getRequest.result;
+ let finalSourceInfo = sourceInfo;
+ if (existingRecord && existingRecord.sourceInfo && !sourceInfo) {
+ finalSourceInfo = existingRecord.sourceInfo;
+ } else if (
+ existingRecord &&
+ existingRecord.sourceInfo &&
+ sourceInfo === null
+ ) {
+ finalSourceInfo = existingRecord.sourceInfo;
+ }
+ const data = {
+ address: avaxAddress,
+ balance,
+ timestamp,
+ formattedBalance: `${balance} AVAX`,
+ sourceInfo: finalSourceInfo,
+ };
+ const putRequest = store.put(data);
+ putRequest.onsuccess = () => resolve();
+ putRequest.onerror = () => reject(putRequest.error);
+ };
+ getRequest.onerror = () => reject(getRequest.error);
+ });
+ }
+
+ async getSearchedAddresses() {
+ if (!this.db) await this.init();
+ return new Promise((resolve, reject) => {
+ const transaction = this.db.transaction([this.storeName], "readonly");
+ const store = transaction.objectStore(this.storeName);
+ const index = store.index("timestamp");
+ const request = index.getAll();
+ request.onsuccess = () => {
+ const results = request.result.sort(
+ (a, b) => b.timestamp - a.timestamp
+ );
+ resolve(results);
+ };
+ request.onerror = () => reject(request.error);
+ });
+ }
+
+ async deleteSearchedAddress(avaxAddress) {
+ if (!this.db) await this.init();
+ return new Promise((resolve, reject) => {
+ const transaction = this.db.transaction([this.storeName], "readwrite");
+ const store = transaction.objectStore(this.storeName);
+ const request = store.delete(avaxAddress);
+ request.onsuccess = () => resolve();
+ request.onerror = () => reject(request.error);
+ });
+ }
+
+ async clearAllSearchedAddresses() {
+ if (!this.db) await this.init();
+ return new Promise((resolve, reject) => {
+ const transaction = this.db.transaction([this.storeName], "readwrite");
+ const store = transaction.objectStore(this.storeName);
+ const request = store.clear();
+ request.onsuccess = () => resolve();
+ request.onerror = () => reject(request.error);
+ });
+ }
+}
diff --git a/index.html b/index.html
index 2ac1a39..a5e53f5 100644
--- a/index.html
+++ b/index.html
@@ -14,6 +14,7 @@
+