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test: Add basic testing for wallet groups
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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.""" | ||
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from test_framework.test_framework import BitcoinTestFramework | ||
from test_framework.util import ( | ||
assert_equal, | ||
) | ||
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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))) | ||
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class WalletGroupTest(BitcoinTestFramework): | ||
def set_test_params(self): | ||
self.setup_clean_chain = True | ||
self.num_nodes = 3 | ||
self.extra_args = [[], [], ['-avoidpartialspends']] | ||
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def run_test (self): | ||
# Mine some coins | ||
self.nodes[0].generate(110) | ||
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# 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 | ||
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# 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] | ||
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self.nodes[0].generate(1) | ||
self.sync_all() | ||
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# 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) | ||
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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) | ||
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if __name__ == '__main__': | ||
WalletGroupTest().main () |