remove reduntant code

keys/hdpath.go

@@ -13,7 +13,6 @@ import (
 	"github.com/btcsuite/btcd/btcec"
 )
 
-// BIP44Prefix is the parts of the BIP32 HD path that are fixed by what we used during the fundraiser.
 const (
 	BIPPurpose  = 44
 	BIPCoinType = 714
@@ -47,28 +46,6 @@ func NewParams(purpose, coinType, account uint32, change bool, addressIdx uint32
 	}
 }
 
-func hardenedInt(field string) (uint32, error) {
-	field = strings.TrimSuffix(field, "'")
-	i, err := strconv.Atoi(field)
-	if err != nil {
-		return 0, err
-	}
-	if i < 0 {
-		return 0, fmt.Errorf("fields must not be negative. got %d", i)
-	}
-	return uint32(i), nil
-}
-
-func isHardened(field string) bool {
-	return strings.HasSuffix(field, "'")
-}
-
-// NewFundraiserParams creates a BIP 44 parameter object from the params:
-// m / 44' / 714' / account' / 0 / address_index
-// The fixed parameters (purpose', coin_type', and change) are determined by what was used in the fundraiser.
-func NewFundraiserParams(account uint32, addressIdx uint32) *BIP44Params {
-	return NewParams(BIPPurpose, BIPCoinType, account, BIPChange, addressIdx)
-}
 
 // NewBinanceBIP44Params creates a BIP 44 parameter object from the params:
 // m / 44' / 714' / account' / 0 / address_index

keys/keys.go

@@ -43,7 +43,7 @@ func NewMnemonicKeyManager(mnemonic string) (KeyManager, error) {
 	return &k, err
 }
 
-// The full fundraiser path is  "purpose' / coin_type' / account' / change / address_index".
+// The full path is  "purpose' / coin_type' / account' / change / address_index".
 // "purpose' / coin_type'" is fixed as "44'/714'/", user can customize the rest part.
 func NewMnemonicPathKeyManager(mnemonic, keyPath string) (KeyManager, error) {
 	k := keyManager{}