From 136aa954466dcc8ef5a3e72b53e8739e0710013e Mon Sep 17 00:00:00 2001
From: David Hill <dhill@conformal.com>
Date: Thu, 23 Jan 2014 13:44:28 -0500
Subject: [PATCH] add getblocktemplate support to btcctl.

---
 util/btcctl/btcctl.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/util/btcctl/btcctl.go b/util/btcctl/btcctl.go
index d73c56cf..d033906c 100644
--- a/util/btcctl/btcctl.go
+++ b/util/btcctl/btcctl.go
@@ -57,6 +57,7 @@ var commandHandlers = map[string]*handlerData{
 	"getblock":             &handlerData{1, 2, displayJSONDump, []conversionHandler{nil, toBool, toBool}, makeGetBlock, "<blockhash>"},
 	"getblockcount":        &handlerData{0, 0, displayGeneric, nil, makeGetBlockCount, ""},
 	"getblockhash":         &handlerData{1, 0, displayGeneric, []conversionHandler{toInt64}, makeGetBlockHash, "<blocknumber>"},
+	"getblocktemplate":     &handlerData{0, 1, displayJSONDump, nil, makeGetBlockTemplate, "[jsonrequestobject]"},
 	"getconnectioncount":   &handlerData{0, 0, displayGeneric, nil, makeGetConnectionCount, ""},
 	"getdifficulty":        &handlerData{0, 0, displayFloat64, nil, makeGetDifficulty, ""},
 	"getgenerate":          &handlerData{0, 0, displayGeneric, nil, makeGetGenerate, ""},
@@ -265,6 +266,21 @@ func makeGetBlockHash(args []interface{}) (btcjson.Cmd, error) {
 	return btcjson.NewGetBlockHashCmd("btcctl", args[0].(int64))
 }
 
+// makeGetBlockTemplate generates the cmd structure for getblocktemplate commands.
+func makeGetBlockTemplate(args []interface{}) (btcjson.Cmd, error) {
+	cmd, err := btcjson.NewGetBlockTemplateCmd("btcctl")
+	if err != nil {
+		return nil, err
+	}
+	if len(args) == 1 {
+		err = cmd.UnmarshalJSON([]byte(args[0].(string)))
+		if err != nil {
+			return nil, err
+		}
+	}
+	return cmd, nil
+}
+
 // makeGetConnectionCount generates the cmd structure for
 // getconnectioncount comands.
 func makeGetConnectionCount(args []interface{}) (btcjson.Cmd, error) {