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external_signer: use const where appropriate

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fanquake
2021-04-13 19:41:50 +08:00
parent aaa4e5a45b
commit 9e0b199b97
3 changed files with 13 additions and 13 deletions
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4
src/rpc/external_signer.cpp
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@@ -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);