From 67e94bcaaaf1c3d4f5a2c377ed178fe76dffe1b8 Mon Sep 17 00:00:00 2001
From: Josh Rickmar <jrick@conformal.com>
Date: Wed, 28 May 2014 11:33:28 -0500
Subject: [PATCH] Add createencryptedwallet extension support.

---
 extensions.go | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/extensions.go b/extensions.go
index ea1b9237..eb404a5d 100644
--- a/extensions.go
+++ b/extensions.go
@@ -36,6 +36,41 @@ func (r FutureDebugLevelResult) Receive() (string, error) {
 	return result, nil
 }
 
+// FutureCreateEncryptedWalletResult is a future promise to deliver the error
+// result of a CreateEncryptedWalletAsync RPC invocation.
+type FutureCreateEncryptedWalletResult chan *futureResult
+
+// Receive waits for and returns the error response promised by the future.
+func (r FutureCreateEncryptedWalletResult) Receive() error {
+	_, err := receiveFuture(r)
+	return err
+}
+
+// CreateEncryptedWalletAsync returns an instance of a type that can be used to
+// get the result of the RPC at some future time by invoking the Receive
+// function on the returned instance.
+//
+// See CreateEncryptedWallet for the blocking version and more details.
+//
+// NOTE: This is a btcwallet extension.
+func (c *Client) CreateEncryptedWalletAsync(passphrase string) FutureCreateEncryptedWalletResult {
+	id := c.NextID()
+	cmd := btcws.NewCreateEncryptedWalletCmd(id, passphrase)
+	return c.sendCmd(cmd)
+}
+
+// CreateEncryptedWallet requests the creation of an encrypted wallet.  Wallets
+// managed by btcwallet are only written to disk with encrypted private keys,
+// and generating wallets on the fly is impossible as it requires user input for
+// the encryption passphrase.  This RPC specifies the passphrase and instructs
+// the wallet creation.  This may error if a wallet is already opened, or the
+// new wallet cannot be written to disk.
+//
+// NOTE: This is a btcwallet extension.
+func (c *Client) CreateEncryptedWallet(passphrase string) error {
+	return c.CreateEncryptedWalletAsync(passphrase).Receive()
+}
+
 // DebugLevelAsync returns an instance of a type that can be used to get the
 // result of the RPC at some future time by invoking the Receive function on
 // the returned instance.