From 4d411d29070aac5c009efec5513624b97ed67024 Mon Sep 17 00:00:00 2001
From: Conor Patrick <conor@cordialsystems.com>
Date: Mon, 15 Jul 2024 20:08:27 -0400
Subject: [PATCH] downgrade go-schnorrkel

---
 go.mod             |  2 +-
 go.sum             |  4 ++--
 sr25519/sr25519.go | 27 ++++-----------------------
 3 files changed, 7 insertions(+), 26 deletions(-)

diff --git a/go.mod b/go.mod
index c5f59c3..fb39710 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/vedhavyas/go-subkey/v2
 go 1.18
 
 require (
-	github.com/ChainSafe/go-schnorrkel v1.0.0
+	github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d
 	github.com/decred/base58 v1.0.4
 	github.com/ethereum/go-ethereum v1.10.25
 	github.com/gtank/merlin v0.1.1
diff --git a/go.sum b/go.sum
index 0dfa148..1bef3a3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/ChainSafe/go-schnorrkel v1.0.0 h1:3aDA67lAykLaG1y3AOjs88dMxC88PgUuHRrLeDnvGIM=
-github.com/ChainSafe/go-schnorrkel v1.0.0/go.mod h1:dpzHYVxLZcp8pjlV+O+UR8K0Hp/z7vcchBSbMBEhCw4=
+github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d h1:nalkkPQcITbvhmL4+C4cKA87NW0tfm3Kl9VXRoPywFg=
+github.com/ChainSafe/go-schnorrkel v0.0.0-20200405005733-88cbf1b4c40d/go.mod h1:URdX5+vg25ts3aCh8H5IFZybJYKWhJHYMTnf+ULtoC4=
 github.com/btcsuite/btcd/btcec/v2 v2.2.1 h1:xP60mv8fvp+0khmrN0zTdPC3cNm24rfeE6lh2R/Yv3E=
 github.com/btcsuite/btcd/btcec/v2 v2.2.1/go.mod h1:9/CSmJxmuvqzX9Wh2fXMWToLOHhPd11lSPuIupwTkI8=
 github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
diff --git a/sr25519/sr25519.go b/sr25519/sr25519.go
index 100d62a..5537a48 100644
--- a/sr25519/sr25519.go
+++ b/sr25519/sr25519.go
@@ -40,8 +40,8 @@ func (kr keyRing) Verify(msg []byte, signature []byte) bool {
 	if err := sig.Decode(sigs); err != nil {
 		return false
 	}
-	ok, err := kr.pub.Verify(sig, signingContext(msg))
-	if err != nil || !ok {
+	ok := kr.pub.Verify(sig, signingContext(msg))
+	if !ok {
 		return false
 	}
 
@@ -155,23 +155,7 @@ func (s Scheme) FromSeed(seed []byte) (subkey.KeyPair, error) {
 }
 
 func (s Scheme) FromPhrase(phrase, pwd string) (subkey.KeyPair, error) {
-	ms, err := sr25519.MiniSecretKeyFromMnemonic(phrase, pwd)
-	if err != nil {
-		return nil, err
-	}
-
-	secret := ms.ExpandEd25519()
-	pub, err := secret.Public()
-	if err != nil {
-		return nil, err
-	}
-
-	seed := ms.Encode()
-	return keyRing{
-		seed:   seed[:],
-		secret: secret,
-		pub:    pub,
-	}, nil
+	return nil, errors.New("not supported")
 }
 
 func (s Scheme) Derive(pair subkey.KeyPair, djs []subkey.DeriveJunction) (subkey.KeyPair, error) {
@@ -215,10 +199,7 @@ func (s Scheme) FromPublicKey(bytes []byte) (subkey.PublicKey, error) {
 	}
 	arr := [32]byte{}
 	copy(arr[:], bytes[:32])
-	key, err := sr25519.NewPublicKey(arr)
-	if err != nil {
-		return nil, err
-	}
+	key := sr25519.NewPublicKey(arr)
 
 	return &keyRing{pub: key}, nil
 }