1 files changed, 83 insertions, 0 deletions
diff --git a/test/functional/rpc_txoutproof.py b/test/functional/rpc_txoutproof.py
new file mode 100755
index 0000000000..50e0371fdf
--- /dev/null
+++ b/test/functional/rpc_txoutproof.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+# Copyright (c) 2014-2017 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 gettxoutproof and verifytxoutproof RPCs."""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+
+class MerkleBlockTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.num_nodes = 4
+        self.setup_clean_chain = True
+        # Nodes 0/1 are "wallet" nodes, Nodes 2/3 are used for testing
+        self.extra_args = [[], [], [], ["-txindex"]]
+
+    def setup_network(self):
+        self.setup_nodes()
+        connect_nodes(self.nodes[0], 1)
+        connect_nodes(self.nodes[0], 2)
+        connect_nodes(self.nodes[0], 3)
+
+        self.sync_all()
+
+    def run_test(self):
+        self.log.info("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"])
+        # This will raise an exception because the transaction is not yet in a block
+        assert_raises_rpc_error(-5, "Transaction not yet in block", 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})
+        txid3 = 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_rpc_error(-5, "Transaction not yet in block", self.nodes[2].gettxoutproof, [txid_spent])
+        # We can get the proof if we specify the block
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_spent], blockhash)), [txid_spent])
+        # We can't get the proof if we specify a non-existent block
+        assert_raises_rpc_error(-5, "Block not found", self.nodes[2].gettxoutproof, [txid_spent], "00000000000000000000000000000000")
+        # We can get the proof if the transaction is unspent
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_unspent])), [txid_unspent])
+        # We can get the proof if we provide a list of transactions and one of them is unspent. The ordering of the list should not matter.
+        assert_equal(sorted(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2]))), sorted(txlist))
+        assert_equal(sorted(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid2, txid1]))), sorted(txlist))
+        # We can always get a proof if we have a -txindex
+        assert_equal(self.nodes[2].verifytxoutproof(self.nodes[3].gettxoutproof([txid_spent])), [txid_spent])
+        # We can't get a proof if we specify transactions from different blocks
+        assert_raises_rpc_error(-5, "Not all transactions found in specified or retrieved block", self.nodes[2].gettxoutproof, [txid1, txid3])
+
+
+if __name__ == '__main__':
+    MerkleBlockTest().main()