From e79a6ed6b2f622861ea25ea0ca264b330c71ab02 Mon Sep 17 00:00:00 2001
From: davcrypto <88310031+davcrypto@users.noreply.github.com>
Date: Wed, 6 Oct 2021 19:41:42 +0800
Subject: [PATCH] rpc: support personal apis with different keyring backends
 (#591)
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* UPDATE Unlock keyring on start

* ADD comment

* ADD validation

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
---
 server/start.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/server/start.go b/server/start.go
index 328f3763..8b744520 100644
--- a/server/start.go
+++ b/server/start.go
@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/crypto/keyring"
 
 	"github.com/spf13/cobra"
 
@@ -101,6 +102,17 @@ which accepts a path for the resulting pprof file.
 				return startStandAlone(serverCtx, appCreator)
 			}
 
+			serverCtx.Logger.Info("Unlocking keyring")
+
+			// fire unlock precess for keyring
+			keyringBackend, _ := cmd.Flags().GetString(flags.FlagKeyringBackend)
+			if keyringBackend == keyring.BackendFile {
+				_, err = clientCtx.Keyring.List()
+				if err != nil {
+					return err
+				}
+			}
+
 			serverCtx.Logger.Info("starting ABCI with Tendermint")
 
 			// amino is needed here for backwards compatibility of REST routes