crypto: fix sr25519 from raw import (#4272)

* fix raw import sr25519

* add sr25519 to multisig codec

* bump go-schnorrkel

Co-authored-by: Marko <marbar3778@yahoo.com>

Fixes sr25519 pubkey generation and signing when importing from raw bytes

crypto/multisig/codec.go

@@ -5,6 +5,7 @@ import (
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/ed25519"
 	"github.com/tendermint/tendermint/crypto/secp256k1"
+	"github.com/tendermint/tendermint/crypto/sr25519"
 )
 
 // TODO: Figure out API for others to either add their own pubkey types, or
@@ -21,6 +22,8 @@ func init() {
 		PubKeyMultisigThresholdAminoRoute, nil)
 	cdc.RegisterConcrete(ed25519.PubKeyEd25519{},
 		ed25519.PubKeyAminoName, nil)
+	cdc.RegisterConcrete(sr25519.PubKeySr25519{},
+		sr25519.PubKeyAminoName, nil)
 	cdc.RegisterConcrete(secp256k1.PubKeySecp256k1{},
 		secp256k1.PubKeyAminoName, nil)
 }

crypto/multisig/threshold_pubkey_test.go

@@ -9,6 +9,7 @@ import (
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/ed25519"
 	"github.com/tendermint/tendermint/crypto/secp256k1"
+	"github.com/tendermint/tendermint/crypto/sr25519"
 )
 
 // This tests multisig functionality, but it expects the first k signatures to be valid
@@ -165,10 +166,13 @@ func generatePubKeysAndSignatures(n int, msg []byte) (pubkeys []crypto.PubKey, s
 	signatures = make([][]byte, n)
 	for i := 0; i < n; i++ {
 		var privkey crypto.PrivKey
-		if rand.Int63()%2 == 0 {
+		switch rand.Int63() % 3 {
+		case 0:
 			privkey = ed25519.GenPrivKey()
-		} else {
+		case 1:
 			privkey = secp256k1.GenPrivKey()
+		case 2:
+			privkey = sr25519.GenPrivKey()
 		}
 		pubkeys[i] = privkey.PubKey()
 		signatures[i], _ = privkey.Sign(msg)