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faf251d854e3a670533ea3e9087e82c92f3ae533 test: gettxoutproof duplicate txid (João Barbosa) faf5eb45c4a08fbfd9a8c12534bca8adfe756ef2 test: Test empty array in gettxoutproof (MarcoFalke) fa56e866e8ac08b35e775a4e37a4e5849e093c7d test: Run rpc_txoutproof.py even with wallet disabled (MarcoFalke) faba790bd40b5a9e8849997785020790ff60571b test: MiniWallet: Default fee_rate in send_self_transfer, Pass in utxo_to_spend (MarcoFalke) fa65a11d0c9a34ff7f4cc4efd53367794e751749 test: bugfix: Actually pick largest utxo (MarcoFalke) Pull request description: Run the consensus test even when the wallet was not compiled. Also: * Minor bugfix in MiniWallet * Two new test cases (one cherry-picked from #19847) ACKs for top commit: jnewbery: utACK faf251d854e3a670533ea3e9087e82c92f3ae533. Thanks Marco! kristapsk: ACK faf251d854e3a670533ea3e9087e82c92f3ae533 Tree-SHA512: a5ab33695c88cfb3c369021d4506069c08ce298e24e891db55159130693ed3817444c72f6aad3f472235aa4597b2c601010af714411c2ec8ad9c2d2e0b00ecbc
67 lines
2.7 KiB
Python
67 lines
2.7 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2020 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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"""A limited-functionality wallet, which may replace a real wallet in tests"""
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from decimal import Decimal
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from test_framework.address import ADDRESS_BCRT1_P2SH_OP_TRUE
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from test_framework.messages import (
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COIN,
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COutPoint,
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CTransaction,
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CTxIn,
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CTxOut,
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)
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from test_framework.script import (
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CScript,
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OP_TRUE,
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)
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from test_framework.util import (
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assert_equal,
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hex_str_to_bytes,
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satoshi_round,
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)
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class MiniWallet:
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def __init__(self, test_node):
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self._test_node = test_node
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self._utxos = []
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self._address = ADDRESS_BCRT1_P2SH_OP_TRUE
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self._scriptPubKey = hex_str_to_bytes(self._test_node.validateaddress(self._address)['scriptPubKey'])
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def generate(self, num_blocks):
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"""Generate blocks with coinbase outputs to the internal address, and append the outputs to the internal list"""
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blocks = self._test_node.generatetoaddress(num_blocks, self._address)
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for b in blocks:
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cb_tx = self._test_node.getblock(blockhash=b, verbosity=2)['tx'][0]
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self._utxos.append({'txid': cb_tx['txid'], 'vout': 0, 'value': cb_tx['vout'][0]['value']})
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return blocks
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def get_utxo(self):
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"""Return the last utxo. Can be used to get the change output immediately after a send_self_transfer"""
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return self._utxos.pop()
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def send_self_transfer(self, *, fee_rate=Decimal("0.003"), from_node, utxo_to_spend=None):
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"""Create and send a tx with the specified fee_rate. Fee may be exact or at most one satoshi higher than needed."""
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self._utxos = sorted(self._utxos, key=lambda k: k['value'])
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utxo_to_spend = utxo_to_spend or self._utxos.pop() # Pick the largest utxo (if none provided) and hope it covers the fee
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vsize = Decimal(85)
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send_value = satoshi_round(utxo_to_spend['value'] - fee_rate * (vsize / 1000))
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fee = utxo_to_spend['value'] - send_value
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assert send_value > 0
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tx = CTransaction()
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tx.vin = [CTxIn(COutPoint(int(utxo_to_spend['txid'], 16), utxo_to_spend['vout']))]
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tx.vout = [CTxOut(int(send_value * COIN), self._scriptPubKey)]
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tx.vin[0].scriptSig = CScript([CScript([OP_TRUE])])
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tx_hex = tx.serialize().hex()
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txid = from_node.sendrawtransaction(tx_hex)
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self._utxos.append({'txid': txid, 'vout': 0, 'value': send_value})
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tx_info = from_node.getmempoolentry(txid)
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assert_equal(tx_info['vsize'], vsize)
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assert_equal(tx_info['fee'], fee)
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return {'txid': txid, 'hex': tx_hex}
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