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fix(lib/crypto/ed25519): update ed25519 to use go-schnorrkel bip39 derivation #1488

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merged 4 commits into from
Mar 24, 2021
Merged

fix(lib/crypto/ed25519): update ed25519 to use go-schnorrkel bip39 derivation #1488

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f0df944
update ed25519 to use go-schnorrkel bip39 derivation
noot Mar 23, 2021
cdbcf98
Merge branch 'development' into noot/bip39
noot Mar 23, 2021
b3c6852
fix test
noot Mar 24, 2021
3c960ae
fix deepsource issues
noot Mar 24, 2021
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7 changes: 5 additions & 2 deletions lib/crypto/ed25519/ed25519.go
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ import (
"github.com/ChainSafe/gossamer/lib/common"
"github.com/ChainSafe/gossamer/lib/crypto"

bip39 "github.com/cosmos/go-bip39"
"github.com/ChainSafe/go-schnorrkel"
)

// PublicKeyLength is the fixed Public Key Length
Expand Down Expand Up @@ -120,7 +120,10 @@ func NewKeypairFromPrivateKeyString(in string) (*Keypair, error) {

// NewKeypairFromMnenomic returns a new Keypair using the given mnemonic and password.
func NewKeypairFromMnenomic(mnemonic, password string) (*Keypair, error) {
seed := bip39.NewSeed(mnemonic, password)
seed, err := schnorrkel.SeedFromMnemonic(mnemonic, password)
if err != nil {
return nil, err
}
return NewKeypairFromSeed(seed[:32])
}

Expand Down
11 changes: 11 additions & 0 deletions lib/crypto/ed25519/ed25519_test.go
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Expand Up @@ -21,6 +21,8 @@ import (
"reflect"
"testing"

"github.com/ChainSafe/gossamer/lib/common"

bip39 "github.com/cosmos/go-bip39"
"github.com/stretchr/testify/require"
)
Expand Down Expand Up @@ -101,3 +103,12 @@ func TestNewKeypairFromMnenomic(t *testing.T) {
_, err = NewKeypairFromMnenomic(mnemonic, "")
require.NoError(t, err)
}

func TestNewKeypairFromMnenomic_Again(t *testing.T) {
mnemonic := "twist sausage october vivid neglect swear crumble hawk beauty fabric egg fragile"
kp, err := NewKeypairFromMnenomic(mnemonic, "")
require.NoError(t, err)

expectedPubkey := common.MustHexToBytes("0xf56d9231e7b7badd3f1e10ad15ef8aa08b70839723d0a2d10d7329f0ea2b8c61")
require.Equal(t, expectedPubkey, kp.Public().Encode())
}