fix issue where wallet mnemonics were not normalised to NFKD

Author: mcdee

CHANGELOG.md

@@ -1,4 +1,5 @@
 Development:
+  - fix issue where wallet mnemonics were not normalised to NFKD
   - "block info" supports fetching the gensis block (--slot=0)
   - "attester inclusion" command finds the inclusion slot for a validator's attestation
   - "account info" with verbose option now displays participants for distributed accounts

cmd/walletcreate.go

@@ -28,6 +28,7 @@ import (
 	keystorev4 "github.com/wealdtech/go-eth2-wallet-encryptor-keystorev4"
 	hd "github.com/wealdtech/go-eth2-wallet-hd/v2"
 	nd "github.com/wealdtech/go-eth2-wallet-nd/v2"
+	"golang.org/x/text/unicode/norm"
 )
 
 var walletCreateCmd = &cobra.Command{
@@ -106,6 +107,9 @@ func walletCreateHD(ctx context.Context, name string, passphrase string, mnemoni
 			mnemonicPassphrase = strings.Join(mnemonicParts[24:], " ")
 		}
 	}
+	// Normalise the input.
+	mnemonic = string(norm.NFKD.Bytes([]byte(mnemonic)))
+	mnemonicPassphrase = string(norm.NFKD.Bytes([]byte(mnemonicPassphrase)))
 
 	// Ensure the mnemonic is valid
 	if !bip39.IsMnemonicValid(mnemonic) {

go.mod

@@ -44,7 +44,7 @@ require (
 	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a // indirect
 	golang.org/x/net v0.0.0-20200822124328-c89045814202 // indirect
 	golang.org/x/sys v0.0.0-20200821140526-fda516888d29 // indirect
-	golang.org/x/text v0.3.3 // indirect
+	golang.org/x/text v0.3.3
 	google.golang.org/genproto v0.0.0-20200815001618-f69a88009b70 // indirect
 	google.golang.org/grpc v1.31.0
 	gopkg.in/ini.v1 v1.60.1 // indirect