feat: transaction monitor WIP

src/app/common/monitor-confirmations/monitor-confirmations.ts

@@ -1,8 +1,8 @@
 import type { SupportedBlockchains } from '@leather.io/models';
 
-const monitoredTxs: MonitoredConfirmation[] = [];
+const monitoredTxs: PendingConfirmation[] = [];
 
-export interface MonitoredConfirmation {
+export interface PendingConfirmation {
   chain: SupportedBlockchains;
   txid: string;
 }

src/background/alarms/transaction-monitor.ts

@@ -0,0 +1,35 @@
+import type { PendingConfirmation } from '@app/common/monitor-confirmations/monitor-confirmations';
+
+async function monitorTransactions() {
+  const alarm = await chrome.alarms.get('transaction-monitor');
+
+  if (!alarm) {
+    await chrome.alarms.create('transaction-monitor', {
+      periodInMinutes: 0.05,
+    });
+  }
+}
+
+// eslint-disable-next-line no-console
+monitorTransactions().catch(error => console.error(error));
+
+const MONITORED_TXNS_KEY = 'monitoredTransactions';
+
+interface PendingConfirmationStore {
+  pendingConfirmations: PendingConfirmation[];
+}
+
+export async function readTransactionStore() {
+  const { pendingConfirmations = [] } = chrome.storage.local.get(
+    MONITORED_TXNS_KEY
+  ) as unknown as PendingConfirmationStore;
+
+  return pendingConfirmations;
+}
+
+export async function writeTransaction(pendingConfirmation: PendingConfirmation) {
+  const exisitingPendingConfirmations = await readTransactionStore();
+  return await chrome.storage.local.set({
+    [MONITORED_TXNS_KEY]: [pendingConfirmation, ...exisitingPendingConfirmations],
+  });
+}

src/shared/message-types.ts

@@ -6,9 +6,9 @@ import {
 } from '@stacks/connect';
 import { PublicProfile } from '@stacks/profile';
 
-export const MESSAGE_SOURCE = 'stacks-wallet' as const;
+export const MESSAGE_SOURCE = 'stacks-wallet';
 
-export const CONTENT_SCRIPT_PORT = 'content-script' as const;
+export const CONTENT_SCRIPT_PORT = 'content-script';
 
 export enum ExternalMethods {
   transactionRequest = 'hiroWalletTransactionRequest',
@@ -29,6 +29,7 @@ export enum InternalMethods {
   RequestDerivedStxAccounts = 'RequestDerivedStxAccounts',
   OriginatingTabClosed = 'OriginatingTabClosed',
   AccountChanged = 'AccountChanged',
+  TransactionBroadcast = 'TransactionBroadcast',
 }
 
 export type ExtensionMethods = ExternalMethods | InternalMethods;