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-rwxr-xr-xtest/functional/wallet_groups.py50
1 files changed, 48 insertions, 2 deletions
diff --git a/test/functional/wallet_groups.py b/test/functional/wallet_groups.py
index b6fe295127..cfdc2d51e6 100755
--- a/test/functional/wallet_groups.py
+++ b/test/functional/wallet_groups.py
@@ -15,8 +15,8 @@ from test_framework.util import (
class WalletGroupTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
- self.num_nodes = 3
- self.extra_args = [[], [], ['-avoidpartialspends']]
+ self.num_nodes = 4
+ self.extra_args = [[], [], ['-avoidpartialspends'], ["-maxapsfee=0.0001"]]
self.rpc_timeout = 480
def skip_test_if_missing_module(self):
@@ -64,6 +64,52 @@ class WalletGroupTest(BitcoinTestFramework):
assert_approx(v[0], 0.2)
assert_approx(v[1], 1.3, 0.0001)
+ # Test 'avoid partial if warranted, even if disabled'
+ self.sync_all()
+ self.nodes[0].generate(1)
+ # Nodes 1-2 now have confirmed UTXOs (letters denote destinations):
+ # Node #1: Node #2:
+ # - A 1.0 - D0 1.0
+ # - B0 1.0 - D1 0.5
+ # - B1 0.5 - E0 1.0
+ # - C0 1.0 - E1 0.5
+ # - C1 0.5 - F ~1.3
+ # - D ~0.3
+ assert_approx(self.nodes[1].getbalance(), 4.3, 0.0001)
+ assert_approx(self.nodes[2].getbalance(), 4.3, 0.0001)
+ # Sending 1.4 btc should pick one 1.0 + one more. For node #1,
+ # this could be (A / B0 / C0) + (B1 / C1 / D). We ensure that it is
+ # B0 + B1 or C0 + C1, because this avoids partial spends while not being
+ # detrimental to transaction cost
+ txid3 = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1.4)
+ tx3 = self.nodes[1].getrawtransaction(txid3, True)
+ # tx3 should have 2 inputs and 2 outputs
+ assert_equal(2, len(tx3["vin"]))
+ assert_equal(2, len(tx3["vout"]))
+ # the accumulated value should be 1.5, so the outputs should be
+ # ~0.1 and 1.4 and should come from the same destination
+ values = [vout["value"] for vout in tx3["vout"]]
+ values.sort()
+ assert_approx(values[0], 0.1, 0.0001)
+ assert_approx(values[1], 1.4)
+
+ input_txids = [vin["txid"] for vin in tx3["vin"]]
+ input_addrs = [self.nodes[1].gettransaction(txid)['details'][0]['address'] for txid in input_txids]
+ assert_equal(input_addrs[0], input_addrs[1])
+ # Node 2 enforces avoidpartialspends so needs no checking here
+
+ # Test wallet option maxapsfee with Node 3
+ addr_aps = self.nodes[3].getnewaddress()
+ self.nodes[0].sendtoaddress(addr_aps, 1.0)
+ self.nodes[0].sendtoaddress(addr_aps, 1.0)
+ self.nodes[0].generate(1)
+ txid4 = self.nodes[3].sendtoaddress(self.nodes[0].getnewaddress(), 0.1)
+ tx4 = self.nodes[3].getrawtransaction(txid4, True)
+ # tx4 should have 2 inputs and 2 outputs although one output would
+ # have been enough and the transaction caused higher fees
+ assert_equal(2, len(tx4["vin"]))
+ assert_equal(2, len(tx4["vout"]))
+
# Empty out node2's wallet
self.nodes[2].sendtoaddress(address=self.nodes[0].getnewaddress(), amount=self.nodes[2].getbalance(), subtractfeefromamount=True)
self.sync_all()