1 files changed, 88 insertions, 0 deletions
diff --git a/qa/rpc-tests/merkle_blocks.py b/qa/rpc-tests/merkle_blocks.py
new file mode 100755
index 0000000000..b2155d7fc3
--- /dev/null
+++ b/qa/rpc-tests/merkle_blocks.py
@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+# Copyright (c) 2014-2016 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 merkleblock fetch/validation
+#
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+
+class MerkleBlockTest(BitcoinTestFramework):
+
+    def __init__(self):
+        super().__init__()
+        self.setup_clean_chain = True
+        self.num_nodes = 4
+
+    def setup_network(self):
+        self.nodes = []
+        # Nodes 0/1 are "wallet" nodes
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"]))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug"]))
+        # Nodes 2/3 are used for testing
+        self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"]))
+        self.nodes.append(start_node(3, self.options.tmpdir, ["-debug", "-txindex"]))
+        connect_nodes(self.nodes[0], 1)
+        connect_nodes(self.nodes[0], 2)
+        connect_nodes(self.nodes[0], 3)
+
+        self.is_network_split = False
+        self.sync_all()
+
+    def run_test(self):
+        print("Mining blocks...")
+        self.nodes[0].generate(105)
+        self.sync_all()
+
+        chain_height = self.nodes[1].getblockcount()
+        assert_equal(chain_height, 105)
+        assert_equal(self.nodes[1].getbalance(), 0)
+        assert_equal(self.nodes[2].getbalance(), 0)
+
+        node0utxos = self.nodes[0].listunspent(1)
+        tx1 = self.nodes[0].createrawtransaction([node0utxos.pop()], {self.nodes[1].getnewaddress(): 49.99})
+        txid1 = self.nodes[0].sendrawtransaction(self.nodes[0].signrawtransaction(tx1)["hex"])
+        tx2 = self.nodes[0].createrawtransaction([node0utxos.pop()], {self.nodes[1].getnewaddress(): 49.99})
+        txid2 = self.nodes[0].sendrawtransaction(self.nodes[0].signrawtransaction(tx2)["hex"])
+        assert_raises(JSONRPCException, self.nodes[0].gettxoutproof, [txid1])
+
+        self.nodes[0].generate(1)
+        blockhash = self.nodes[0].getblockhash(chain_height + 1)
+        self.sync_all()
+
+        txlist = []
+        blocktxn = self.nodes[0].getblock(blockhash, True)["tx"]
+        txlist.append(blocktxn[1])
+        txlist.append(blocktxn[2])
+
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1])), [txid1])
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2])), txlist)
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2], blockhash)), txlist)
+
+        txin_spent = self.nodes[1].listunspent(1).pop()
+        tx3 = self.nodes[1].createrawtransaction([txin_spent], {self.nodes[0].getnewaddress(): 49.98})
+        self.nodes[0].sendrawtransaction(self.nodes[1].signrawtransaction(tx3)["hex"])
+        self.nodes[0].generate(1)
+        self.sync_all()
+
+        txid_spent = txin_spent["txid"]
+        txid_unspent = txid1 if txin_spent["txid"] != txid1 else txid2
+
+        # We can't find the block from a fully-spent tx
+        assert_raises(JSONRPCException, self.nodes[2].gettxoutproof, [txid_spent])
+        # ...but we can if we specify the block
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_spent], blockhash)), [txid_spent])
+        # ...or if the first tx is not fully-spent
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_unspent])), [txid_unspent])
+        try:
+            assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2])), txlist)
+        except JSONRPCException:
+            assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid2, txid1])), txlist)
+        # ...or if we have a -txindex
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[3].gettxoutproof([txid_spent])), [txid_spent])
+
+if __name__ == '__main__':
+    MerkleBlockTest().main()