From 87e062f159af1cdb1d44634acf12e12681d743de Mon Sep 17 00:00:00 2001
From: Victor Pereira <vpereira@suse.com>
Date: Tue, 13 Apr 2021 18:14:49 +0200
Subject: [PATCH] Implement the rpc command getblocktemplate as described here:
 https://en.bitcoin.it/wiki/Getblocktemplate

---
 bitcoin/rpc.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/bitcoin/rpc.py b/bitcoin/rpc.py
index 51f24ac9..d7940615 100644
--- a/bitcoin/rpc.py
+++ b/bitcoin/rpc.py
@@ -763,6 +763,17 @@ def unlockwallet(self, password, timeout=60):
         r = self._call('walletpassphrase', password, timeout)
         return r
 
+    def getblocktemplate(self, params=None):
+        """return a candidate block
+        this implementation (and parameter) implements the the bitcoin-cli getblocktemplate
+        default behavior
+        FIXME: implement options
+        """
+        if params is None:
+            params = {"rules": ["segwit"]}
+        r = self._call("getblocktemplate", params)
+        return r
+ 
     def _addnode(self, node, arg):
         r = self._call('addnode', node, arg)
         return r