add package comments (#236)

package comments added to all packages

dleq/dleq.go

@@ -1,3 +1,8 @@
+// Package dleq provides a sub-api built on top of the go-dleq package for our atomic
+// swaps. The API allows you to verify that a Monero public spend key on the ed25519 curve
+// have the same discrete logarithm (same shared secret) as a public key on the secp256k1
+// curve. A ZK DLEq proof is used to prove equivalence of the secret key corresponding to
+// public keys on both curves.
 package dleq
 
 import (
@@ -25,14 +30,6 @@ func NewProofWithoutSecret(p []byte) *Proof {
 	}
 }
 
-// NewProofWithSecret returns a new Proof with the given secret.
-// Note that the returned proof actually lacks the `proof` field.
-func NewProofWithSecret(s [32]byte) *Proof {
-	return &Proof{
-		secret: s,
-	}
-}
-
 // Secret returns the proof's 32-byte secret
 func (p *Proof) Secret() [32]byte {
 	var s [32]byte