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test: add wallet too-long-mempool-chain error coverage

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furszy 2023-03-07 18:48:21 -03:00
parent acf0119d24
commit f3221d373a
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1 changed files with 25 additions and 0 deletions
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25
test/functional/wallet_create_tx.py
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@ -32,6 +32,7 @@ class CreateTxWalletTest(BitcoinTestFramework):
self.test_anti_fee_sniping()
self.test_tx_size_too_large()
self.test_create_too_long_mempool_chain()
def test_anti_fee_sniping(self):
self.log.info('Check that we have some (old) blocks and that anti-fee-sniping is disabled')
@ -80,6 +81,30 @@ class CreateTxWalletTest(BitcoinTestFramework):
)
self.nodes[0].settxfee(0)
def test_create_too_long_mempool_chain(self):
self.log.info('Check too-long mempool chain error')
df_wallet = self.nodes[0].get_wallet_rpc(self.default_wallet_name)
self.nodes[0].createwallet("too_long")
test_wallet = self.nodes[0].get_wallet_rpc("too_long")
tx_data = df_wallet.send(outputs=[{test_wallet.getnewaddress(): 25}], options={"change_position": 0})
txid = tx_data['txid']
vout = 1
options = {"change_position": 0, "add_inputs": False}
for i in range(1, 25):
options['inputs'] = [{'txid': txid, 'vout': vout}]
tx_data = test_wallet.send(outputs=[{test_wallet.getnewaddress(): 25 - i}], options=options)
txid = tx_data['txid']
# Sending one more chained transaction will fail
options = {"minconf": 0, "include_unsafe": True, 'add_inputs': True}
assert_raises_rpc_error(-4, "Unconfirmed UTXOs are available, but spending them creates a chain of transactions that will be rejected by the mempool",
test_wallet.send, outputs=[{test_wallet.getnewaddress(): 0.3}], options=options)
test_wallet.unloadwallet()
if __name__ == '__main__':
CreateTxWalletTest().main()