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Test transactions conflicted by double spend in listtransactions

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Test the properties of transactions conflicted by a double
spend as returned by RPC listtransactions in the "abandoned",
"confirmations", "trusted" and "walletconflicts" fields.

These fields are also returned by RPCs listsinceblock and
gettransactions.
This commit is contained in:
Jon Atack 2021-09-30 15:09:08 +02:00
parent 1cf7fb9fd6
commit 502f50da12
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1 changed files with 29 additions and 0 deletions
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29
test/functional/wallet_abandonconflict.py
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@ -149,6 +149,7 @@ class AbandonConflictTest(BitcoinTestFramework):
assert_equal(newbalance, balance - Decimal("24.9996"))
balance = newbalance
self.log.info("Test transactions conflicted by a double spend")
# Create a double spend of AB1 by spending again from only A's 10 output
# Mine double spend from node 1
inputs = []
@ -163,6 +164,34 @@ class AbandonConflictTest(BitcoinTestFramework):
self.connect_nodes(0, 1)
self.sync_blocks()
tx_list = self.nodes[0].listtransactions()
conflicted = [tx for tx in tx_list if tx["confirmations"] < 0]
assert_equal(4, len(conflicted))
wallet_conflicts = [tx for tx in conflicted if tx["walletconflicts"]]
assert_equal(2, len(wallet_conflicts))
double_spends = [tx for tx in tx_list if tx["walletconflicts"] and tx["confirmations"] > 0]
assert_equal(1, len(double_spends))
double_spend = double_spends[0]
# Test the properties of the conflicted transactions, i.e. with confirmations < 0.
for tx in conflicted:
assert_equal(tx["abandoned"], False)
assert_equal(tx["confirmations"], -1)
assert_equal(tx["trusted"], False)
# Test the properties of the double-spend transaction, i.e. having wallet conflicts and confirmations > 0.
assert_equal(double_spend["abandoned"], False)
assert_equal(double_spend["confirmations"], 1)
assert "trusted" not in double_spend.keys() # "trusted" only returned if tx has 0 or negative confirmations.
# Test the walletconflicts field of each.
for tx in wallet_conflicts:
assert_equal(double_spend["walletconflicts"], [tx["txid"]])
assert_equal(tx["walletconflicts"], [double_spend["txid"]])
# Verify that B and C's 10 BTC outputs are available for spending again because AB1 is now conflicted
newbalance = self.nodes[0].getbalance()
assert_equal(newbalance, balance + Decimal("20"))