From 9e0b199b976617edeb1c58d4203df5f83a26c1e3 Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Tue, 13 Apr 2021 19:41:50 +0800
Subject: external_signer: use const where appropriate

---
 src/rpc/external_signer.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/rpc/external_signer.cpp')

diff --git a/src/rpc/external_signer.cpp b/src/rpc/external_signer.cpp
index 05d4ce2c91..08aa8d8dcb 100644
--- a/src/rpc/external_signer.cpp
+++ b/src/rpc/external_signer.cpp
@@ -38,12 +38,12 @@ static RPCHelpMan enumeratesigners()
         {
             const std::string command = gArgs.GetArg("-signer", "");
             if (command == "") throw JSONRPCError(RPC_MISC_ERROR, "Error: restart bitcoind with -signer=<cmd>");
-            std::string chain = gArgs.GetChainName();
+            const std::string chain = gArgs.GetChainName();
             UniValue signers_res = UniValue::VARR;
             try {
                 std::vector<ExternalSigner> signers;
                 ExternalSigner::Enumerate(command, signers, chain);
-                for (ExternalSigner signer : signers) {
+                for (const ExternalSigner& signer : signers) {
                     UniValue signer_res = UniValue::VOBJ;
                     signer_res.pushKV("fingerprint", signer.m_fingerprint);
                     signer_res.pushKV("name", signer.m_name);
-- 
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