wallet: Add CoinTypeKey and CoinType functions

wallet/wallet.go

@@ -1915,6 +1915,36 @@ func (w *Wallet) GetTransactionsByHashes(txHashes []*chainhash.Hash) (txs []*wir
 		err = errors.E(errors.NotExist, "transaction(s) not found")
 	}
 	return
+=======
+// CoinTypeKey returns the BIP0044 coin type private key for the passed account.
+func (w *Wallet) CoinTypeKey() (*hdkeychain.ExtendedKey, error) {
+	const op errors.Op = "wallet.CoinTypeKey"
+	var coinTypePrivateKey *hdkeychain.ExtendedKey
+	err := walletdb.View(w.db, func(tx walletdb.ReadTx) error {
+		var err error
+		coinTypePrivateKey, err = w.Manager.CoinTypePrivKey(tx)
+		return err
+	})
+	if err != nil {
+		return nil, errors.E(op, err)
+	}
+	return coinTypePrivateKey, nil
+}
+
+// CoinType returns the SLIP0044 or legacy coin type for the passed account.
+func (w *Wallet) CoinType() (uint32, error) {
+	const op errors.Op = "wallet.CoinType"
+	var coinType uint32
+	err := walletdb.View(w.db, func(tx walletdb.ReadTx) error {
+		var err error
+		coinType, err = w.Manager.CoinType(tx)
+		return err
+	})
+	if err != nil {
+		return 0, errors.E(op, err)
+	}
+	return coinType, nil
+>>>>>>> wallet: Add  CoinTypeKey and CoinType functions
 }
 
 // CreditCategory describes the type of wallet transaction output.  The category