From 854fb1006d2c05b47938576d370382c6214e98c2 Mon Sep 17 00:00:00 2001
From: Leo Chen <leo@harmony.one>
Date: Tue, 21 May 2019 21:08:10 -0700
Subject: [PATCH] [keystore] add harmony keystore package

Signed-off-by: Leo Chen <leo@harmony.one>
---
 internal/keystore/keystore.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 internal/keystore/keystore.go

diff --git a/internal/keystore/keystore.go b/internal/keystore/keystore.go
new file mode 100644
index 000000000..6c2fc17f6
--- /dev/null
+++ b/internal/keystore/keystore.go
@@ -0,0 +1,24 @@
+package keystore
+
+import (
+	"sync"
+
+	"github.com/harmony-one/harmony/accounts/keystore"
+)
+
+var (
+	// DefaultKeyStoreDir is the default directory of the keystore
+	DefaultKeyStoreDir = ".hmy/keystore"
+	onceForKeyStore    sync.Once
+	scryptN            = keystore.StandardScryptN
+	scryptP            = keystore.StandardScryptP
+	hmyKeystore        *keystore.KeyStore
+)
+
+// GetHmyKeyStore returns the only keystore of the node
+func GetHmyKeyStore() *keystore.KeyStore {
+	onceForKeyStore.Do(func() {
+		hmyKeystore = keystore.NewKeyStore(DefaultKeyStoreDir, scryptN, scryptP)
+	})
+	return hmyKeystore
+}