From ac06bdc5bbccda08220a8bb28a0bcc9be9038ef3 Mon Sep 17 00:00:00 2001
From: Daniel McNally <mcnallydp@gmail.com>
Date: Thu, 20 Jul 2023 11:18:38 -0400
Subject: [PATCH] Catch duplicate loadWallet error

---
 lib/bitcoin/BitcoinClient.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/bitcoin/BitcoinClient.ts b/lib/bitcoin/BitcoinClient.ts
index af32a64..9145a49 100644
--- a/lib/bitcoin/BitcoinClient.ts
+++ b/lib/bitcoin/BitcoinClient.ts
@@ -320,7 +320,9 @@ export default class BitcoinClient {
     } catch (e) {
       // using error message because bitcoin core error code is not reliable as a single code can contain multiple errors
       const duplicateLoadString = 'already loaded';
-      if (e.toString().toLowerCase().includes(duplicateLoadString)) {
+      // this error is seen on some versions of bitcoin core when loading a loaded wallet, including v0.20.1
+      const alternateDuplicateLoadString = 'Duplicate -wallet filename specified';
+      if (e.toString().toLowerCase().includes(duplicateLoadString) || e.toString().includes(alternateDuplicateLoadString)) {
         Logger.info(`Wallet with name ${this.walletNameToUse} already loaded.`);
       } else {
         throw e;