From 6da2028b55f3ab71c9b21ec37a11f89bd3749667 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Tue, 20 Jan 2015 16:39:19 -0500
Subject: Add RPC test for DERSIG BIP switchover logic

---
 qa/rpc-tests/bipdersig.py | 90 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100755 qa/rpc-tests/bipdersig.py

diff --git a/qa/rpc-tests/bipdersig.py b/qa/rpc-tests/bipdersig.py
new file mode 100755
index 0000000000..9f2cc84601
--- /dev/null
+++ b/qa/rpc-tests/bipdersig.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python2
+# Copyright (c) 2014 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#
+# Test the BIP66 changeover logic
+#
+
+from test_framework import BitcoinTestFramework
+from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
+from util import *
+import os
+import shutil
+
+class BIP66Test(BitcoinTestFramework):
+
+    def setup_network(self):
+        self.nodes = []
+        self.nodes.append(start_node(0, self.options.tmpdir, []))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-blockversion=2"]))
+        self.nodes.append(start_node(2, self.options.tmpdir, ["-blockversion=3"]))
+        connect_nodes(self.nodes[1], 0)
+        connect_nodes(self.nodes[2], 0)
+        self.is_network_split = False
+        self.sync_all()
+
+    def run_test(self):
+        cnt = self.nodes[0].getblockcount()
+
+        # Mine some old-version blocks
+        self.nodes[1].setgenerate(True, 100)
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 100):
+            raise AssertionError("Failed to mine 100 version=2 blocks")
+
+        # Mine 750 new-version blocks
+        for i in xrange(15):
+            self.nodes[2].setgenerate(True, 50)
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 850):
+            raise AssertionError("Failed to mine 750 version=3 blocks")
+
+        # TODO: check that new DERSIG rules are not enforced
+
+        # Mine 1 new-version block
+        self.nodes[2].setgenerate(True, 1)
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 851):
+            raise AssertionFailure("Failed to mine a version=3 blocks")
+
+        # TODO: check that new DERSIG rules are enforced
+
+        # Mine 198 new-version blocks
+        for i in xrange(2):
+            self.nodes[2].setgenerate(True, 99)
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 1049):
+            raise AssertionError("Failed to mine 198 version=3 blocks")
+
+        # Mine 1 old-version block
+        self.nodes[1].setgenerate(True, 1)
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 1050):
+            raise AssertionError("Failed to mine a version=2 block after 949 version=3 blocks")
+
+        # Mine 1 new-version blocks
+        self.nodes[2].setgenerate(True, 1)
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 1051):
+            raise AssertionError("Failed to mine a version=3 block")
+
+        # Mine 1 old-version blocks
+        try:
+            self.nodes[1].setgenerate(True, 1)
+            raise AssertionError("Succeeded to mine a version=2 block after 950 version=3 blocks")
+        except JSONRPCException:
+            pass
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 1051):
+            raise AssertionError("Accepted a version=2 block after 950 version=3 blocks")
+
+        # Mine 1 new-version blocks
+        self.nodes[2].setgenerate(True, 1)
+        self.sync_all()
+        if (self.nodes[0].getblockcount() != cnt + 1052):
+            raise AssertionError("Failed to mine a version=3 block")
+
+if __name__ == '__main__':
+    BIP66Test().main()
-- 
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