SubscribeInvoice implemented

app/lnd/methods/invoicesController.js

@@ -66,4 +66,19 @@ export function lookupInvoice(lnd, { rhash }) {
     })
   })
 }
-//TODO - SubscribeInvoice
+
+
+/**
+ * [subscribeInvoices description]
+ * @param  {[type]} lnd   [description]
+ * @param  {[type]} event [description]
+ * @return {[type]}       [description]
+ */
+export function subscribeInvoices(lnd, event) {
+  return new Promise((resolve, reject) => {
+
+    pushinvoices(lnd, event)
+    .then(data => resolve(data))
+    .catch(error => reject(error))
+  })
+}

app/lnd/push/subscribeinvoice.js

@@ -0,0 +1,16 @@
+export default function pushinvoices(lnd, event) {
+  return new Promise((resolve, reject) => {
+    try {
+      const call = lnd.subscribeInvoices({})
+
+      call.on('data', data => event.sender.send('pushinvoicesupdated', { data }))
+      call.on('end', () => event.sender.send('pushinvoicesend'))
+      call.on('error', error => event.sender.send('pushinvoiceserror', { error }))
+      call.on('status', status => event.sender.send('pushinvoicesstatus', { status }))
+
+      resolve(null)
+    } catch (error) {
+      reject(error, null)
+    }
+  })
+}