feat: add SetDERConversion to reset skipDERConversion

add Ledger app name

Author: mmsqe

crypto/ledger/ledger_secp256k1.go

@@ -17,6 +17,9 @@ import (
 // options stores the Ledger Options that can be used to customize Ledger usage
 var options Options
 
+// AppName defines the Ledger app used for signing. Cosmos SDK uses the Cosmos app
+const AppName = "Cosmos"
+
 type (
 	// discoverLedgerFn defines a Ledger discovery function that returns a
 	// connected device or an error upon failure. Its allows a method to avoid CGO
@@ -66,7 +69,7 @@ func initOptionsDefault() {
 	options.createPubkey = func(key []byte) types.PubKey {
 		return &secp256k1.PubKey{Key: key}
 	}
-	options.appName = "Cosmos"
+	options.appName = AppName
 	options.skipDERConversion = false
 }
 
@@ -90,6 +93,11 @@ func SetSkipDERConversion() {
 	options.skipDERConversion = true
 }
 
+// Set the skip DER Conversion requirement to default false
+func SetDERConversion() {
+	options.skipDERConversion = false
+}
+
 // NewPrivKeySecp256k1Unsafe will generate a new key and store the public key for later use.
 //
 // This function is marked as unsafe as it will retrieve a pubkey without user verification.