From 23083856a551ca13e8b142791c296ecb25cc4e7f Mon Sep 17 00:00:00 2001
From: Jim Posen <jim.posen@gmail.com>
Date: Mon, 4 May 2020 14:10:18 -0400
Subject: [test] Add test for cfcheckpt

---
 test/functional/test_framework/messages.py | 49 ++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

(limited to 'test/functional/test_framework/messages.py')

diff --git a/test/functional/test_framework/messages.py b/test/functional/test_framework/messages.py
index 4855f62a8f..ef5ef49eaf 100755
--- a/test/functional/test_framework/messages.py
+++ b/test/functional/test_framework/messages.py
@@ -57,6 +57,8 @@ MSG_FILTERED_BLOCK = 3
 MSG_WITNESS_FLAG = 1 << 30
 MSG_TYPE_MASK = 0xffffffff >> 2
 
+FILTER_TYPE_BASIC = 0
+
 # Serialization/deserialization tools
 def sha256(s):
     return hashlib.new('sha256', s).digest()
@@ -1512,3 +1514,50 @@ class msg_no_witness_blocktxn(msg_blocktxn):
 
     def serialize(self):
         return self.block_transactions.serialize(with_witness=False)
+
+class msg_getcfcheckpt:
+    __slots__ = ("filter_type", "stop_hash")
+    msgtype =  b"getcfcheckpt"
+
+    def __init__(self, filter_type, stop_hash):
+        self.filter_type = filter_type
+        self.stop_hash = stop_hash
+
+    def deserialize(self, f):
+        self.filter_type = struct.unpack("<B", f.read(1))[0]
+        self.stop_hash = deser_uint256(f)
+
+    def serialize(self):
+        r = b""
+        r += struct.pack("<B", self.filter_type)
+        r += ser_uint256(self.stop_hash)
+        return r
+
+    def __repr__(self):
+        return "msg_getcfcheckpt(filter_type={:#x}, stop_hash={:x})".format(
+            self.filter_type, self.stop_hash)
+
+class msg_cfcheckpt:
+    __slots__ = ("filter_type", "stop_hash", "headers")
+    msgtype =  b"cfcheckpt"
+
+    def __init__(self, filter_type=None, stop_hash=None, headers=None):
+        self.filter_type = filter_type
+        self.stop_hash = stop_hash
+        self.headers = headers
+
+    def deserialize(self, f):
+        self.filter_type = struct.unpack("<B", f.read(1))[0]
+        self.stop_hash = deser_uint256(f)
+        self.headers = deser_uint256_vector(f)
+
+    def serialize(self):
+        r = b""
+        r += struct.pack("<B", self.filter_type)
+        r += ser_uint256(self.stop_hash)
+        r += ser_uint256_vector(self.headers)
+        return r
+
+    def __repr__(self):
+        return "msg_cfcheckpt(filter_type={:#x}, stop_hash={:x})".format(
+            self.filter_type, self.stop_hash)
-- 
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