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-rwxr-xr-xtest/functional/wallet_groups.py67
1 files changed, 67 insertions, 0 deletions
diff --git a/test/functional/wallet_groups.py b/test/functional/wallet_groups.py
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+++ b/test/functional/wallet_groups.py
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+#!/usr/bin/env python3
+# Copyright (c) 2018 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 wallet group functionality."""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import (
+ assert_equal,
+)
+
+def assert_approx(v, vexp, vspan=0.00001):
+ if v < vexp - vspan:
+ raise AssertionError("%s < [%s..%s]" % (str(v), str(vexp - vspan), str(vexp + vspan)))
+ if v > vexp + vspan:
+ raise AssertionError("%s > [%s..%s]" % (str(v), str(vexp - vspan), str(vexp + vspan)))
+
+class WalletGroupTest(BitcoinTestFramework):
+ def set_test_params(self):
+ self.setup_clean_chain = True
+ self.num_nodes = 3
+ self.extra_args = [[], [], ['-avoidpartialspends']]
+
+ def run_test (self):
+ # Mine some coins
+ self.nodes[0].generate(110)
+
+ # Get some addresses from the two nodes
+ addr1 = [self.nodes[1].getnewaddress() for i in range(3)]
+ addr2 = [self.nodes[2].getnewaddress() for i in range(3)]
+ addrs = addr1 + addr2
+
+ # Send 1 + 0.5 coin to each address
+ [self.nodes[0].sendtoaddress(addr, 1.0) for addr in addrs]
+ [self.nodes[0].sendtoaddress(addr, 0.5) for addr in addrs]
+
+ self.nodes[0].generate(1)
+ self.sync_all()
+
+ # For each node, send 0.2 coins back to 0;
+ # - node[1] should pick one 0.5 UTXO and leave the rest
+ # - node[2] should pick one (1.0 + 0.5) UTXO group corresponding to a
+ # given address, and leave the rest
+ txid1 = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 0.2)
+ tx1 = self.nodes[1].getrawtransaction(txid1, True)
+ # txid1 should have 1 input and 2 outputs
+ assert_equal(1, len(tx1["vin"]))
+ assert_equal(2, len(tx1["vout"]))
+ # one output should be 0.2, the other should be ~0.3
+ v = [vout["value"] for vout in tx1["vout"]]
+ v.sort()
+ assert_approx(v[0], 0.2)
+ assert_approx(v[1], 0.3, 0.0001)
+
+ txid2 = self.nodes[2].sendtoaddress(self.nodes[0].getnewaddress(), 0.2)
+ tx2 = self.nodes[2].getrawtransaction(txid2, True)
+ # txid2 should have 2 inputs and 2 outputs
+ assert_equal(2, len(tx2["vin"]))
+ assert_equal(2, len(tx2["vout"]))
+ # one output should be 0.2, the other should be ~1.3
+ v = [vout["value"] for vout in tx2["vout"]]
+ v.sort()
+ assert_approx(v[0], 0.2)
+ assert_approx(v[1], 1.3, 0.0001)
+
+if __name__ == '__main__':
+ WalletGroupTest().main ()