add method to convert secret to pub key

Author: keithsue

x/lending/types/utils.go

@@ -3,7 +3,6 @@ package types
 import "github.com/btcsuite/btcd/btcec/v2"
 
 // SecretToPubKey gets the serialized public key of the given secret on the secp256k1 curve
-// Assume that the secret is 256-bit bytes
 func SecretToPubKey(secretBytes []byte) []byte {
 	var secret btcec.ModNScalar
 	_ = secret.SetByteSlice(secretBytes)