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112 lines
4.6 KiB
112 lines
4.6 KiB
#!/usr/bin/env python3
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# Copyright (c) 2018-2022 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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assert_raises_rpc_error,
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)
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from test_framework.blocktools import (
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TIME_GENESIS_BLOCK,
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)
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class CreateTxWalletTest(BitcoinTestFramework):
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def add_options(self, parser):
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self.add_wallet_options(parser)
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def run_test(self):
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self.log.info('Create some old blocks')
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self.nodes[0].setmocktime(TIME_GENESIS_BLOCK)
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self.generate(self.nodes[0], 200)
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self.nodes[0].setmocktime(0)
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self.test_anti_fee_sniping()
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self.test_tx_size_too_large()
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self.test_create_too_long_mempool_chain()
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def test_anti_fee_sniping(self):
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self.log.info('Check that we have some (old) blocks and that anti-fee-sniping is disabled')
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assert_equal(self.nodes[0].getblockchaininfo()['blocks'], 200)
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txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
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tx = self.nodes[0].gettransaction(txid=txid, verbose=True)['decoded']
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assert_equal(tx['locktime'], 0)
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self.log.info('Check that anti-fee-sniping is enabled when we mine a recent block')
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self.generate(self.nodes[0], 1)
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txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
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tx = self.nodes[0].gettransaction(txid=txid, verbose=True)['decoded']
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assert 0 < tx['locktime'] <= 201
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def test_tx_size_too_large(self):
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# More than 10kB of outputs, so that we hit -maxtxfee with a high feerate
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outputs = {self.nodes[0].getnewaddress(address_type='bech32'): 0.000025 for _ in range(400)}
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raw_tx = self.nodes[0].createrawtransaction(inputs=[], outputs=outputs)
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for fee_setting in ['-minrelaytxfee=0.01', '-mintxfee=0.01', '-paytxfee=0.01']:
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self.log.info('Check maxtxfee in combination with {}'.format(fee_setting))
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self.restart_node(0, extra_args=[fee_setting])
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assert_raises_rpc_error(
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-6,
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"Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)",
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lambda: self.nodes[0].sendmany(dummy="", amounts=outputs),
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)
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assert_raises_rpc_error(
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-4,
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"Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)",
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lambda: self.nodes[0].fundrawtransaction(hexstring=raw_tx),
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)
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self.log.info('Check maxtxfee in combination with settxfee')
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self.restart_node(0)
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self.nodes[0].settxfee(0.01)
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assert_raises_rpc_error(
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-6,
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"Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)",
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lambda: self.nodes[0].sendmany(dummy="", amounts=outputs),
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)
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assert_raises_rpc_error(
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-4,
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"Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)",
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lambda: self.nodes[0].fundrawtransaction(hexstring=raw_tx),
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)
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self.nodes[0].settxfee(0)
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def test_create_too_long_mempool_chain(self):
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self.log.info('Check too-long mempool chain error')
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df_wallet = self.nodes[0].get_wallet_rpc(self.default_wallet_name)
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self.nodes[0].createwallet("too_long")
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test_wallet = self.nodes[0].get_wallet_rpc("too_long")
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tx_data = df_wallet.send(outputs=[{test_wallet.getnewaddress(): 25}], options={"change_position": 0})
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txid = tx_data['txid']
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vout = 1
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self.nodes[0].syncwithvalidationinterfacequeue()
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options = {"change_position": 0, "add_inputs": False}
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for i in range(1, 25):
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options['inputs'] = [{'txid': txid, 'vout': vout}]
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tx_data = test_wallet.send(outputs=[{test_wallet.getnewaddress(): 25 - i}], options=options)
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txid = tx_data['txid']
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# Sending one more chained transaction will fail
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options = {"minconf": 0, "include_unsafe": True, 'add_inputs': True}
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assert_raises_rpc_error(-4, "Unconfirmed UTXOs are available, but spending them creates a chain of transactions that will be rejected by the mempool",
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test_wallet.send, outputs=[{test_wallet.getnewaddress(): 0.3}], options=options)
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test_wallet.unloadwallet()
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if __name__ == '__main__':
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CreateTxWalletTest().main()
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