From d43c3dc9684676dcead20c68c7cc06c0ab872ae9 Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Tue, 17 Oct 2017 17:04:33 +0900
Subject: [PATCH] generate 7 digit pairing code, notify parent windows of
 checkout

---
 BTCPayServer/Authentication/TokenRepository.cs | 8 +++++++-
 BTCPayServer/wwwroot/js/core.js                | 6 ++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/BTCPayServer/Authentication/TokenRepository.cs b/BTCPayServer/Authentication/TokenRepository.cs
index 642dbc2b5..e4ad7d9fc 100644
--- a/BTCPayServer/Authentication/TokenRepository.cs
+++ b/BTCPayServer/Authentication/TokenRepository.cs
@@ -58,7 +58,13 @@ namespace BTCPayServer.Authentication
 
 		public async Task<string> CreatePairingCodeAsync()
 		{
-			string pairingCodeId = Encoders.Base58.EncodeData(RandomUtils.GetBytes(6));
+			string pairingCodeId = null;
+			while(true)
+			{
+				pairingCodeId = Encoders.Base58.EncodeData(RandomUtils.GetBytes(6));
+				if(pairingCodeId.Length == 7) // woocommerce plugin check for exactly 7 digits
+					break;
+			}
 			using(var ctx = _Factory.CreateContext())
 			{
 				var now = DateTime.UtcNow;
diff --git a/BTCPayServer/wwwroot/js/core.js b/BTCPayServer/wwwroot/js/core.js
index a9ba8c1a7..3f7db71ab 100644
--- a/BTCPayServer/wwwroot/js/core.js
+++ b/BTCPayServer/wwwroot/js/core.js
@@ -155,9 +155,15 @@ $("#copy-tab").click(function () {
 // Should connect using webhook ?
 // If notification received
 
+var oldStatus = status;
 updateState(status);
 
 function updateState(status) {
+    if (oldStatus != status)
+    {
+        oldStatus = status;
+        window.parent.postMessage({ "invoiceId": invoiceId, "status": status }, "*");
+    }
     if (status == "complete" ||
         status == "paidOver" ||
         status == "confirmed" ||