From a3fa6fc19b3103f1a1b871aa5d71066ad8e4cf2d Mon Sep 17 00:00:00 2001
From: Tankred Hase <mail@tankredhase.de>
Date: Tue, 8 Jan 2019 13:15:12 +0700
Subject: [PATCH] Fix bitcoin address validation to accept p2wkh Closes #864

---
 src/helper.js            | 2 +-
 test/unit/helper.spec.js | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/helper.js b/src/helper.js
index 8863ca7e3..e78ac4b16 100644
--- a/src/helper.js
+++ b/src/helper.js
@@ -213,7 +213,7 @@ export const isLnUri = str => {
  * @return {boolean}     If the uri is valid
  */
 export const isAddress = str => {
-  return /^[a-km-zA-HJ-NP-Z0-9]{26,90}$/.test(str);
+  return /^[a-zA-Z0-9]{26,90}$/.test(str);
 };
 
 /**
diff --git a/test/unit/helper.spec.js b/test/unit/helper.spec.js
index efd98dfe1..768880d00 100644
--- a/test/unit/helper.spec.js
+++ b/test/unit/helper.spec.js
@@ -682,6 +682,11 @@ describe('Helpers Unit Tests', () => {
       expect(helpers.isAddress(address), 'to be', true);
     });
 
+    it('should accept p2wkh address', () => {
+      const address = 'tb1q94yln7u75nt580a6s0gvs9wqvmfl4zgcxj78sw';
+      expect(helpers.isAddress(address), 'to be', true);
+    });
+
     it('should reject invalid bitcoin address', () => {
       const address = '/INVALID/rfu4i1Mo2NF7TQsN9bMVLFSoj';
       expect(helpers.isAddress(address), 'to be', false);