mirror of
https://github.com/dashpay/dash.git
synced 2024-12-26 12:32:48 +01:00
2da09dd7de
21f24336019d438e225c7bd6653871119883a4ee test: run mempool_spend_coinbase.py even with wallet disabled (Michael Dietz) Pull request description: Run the mempool spend coinbase test even when the wallet was not compiled, as proposed in #20078. ACKs for top commit: laanwj: ACK 21f24336019d438e225c7bd6653871119883a4ee Tree-SHA512: 301582c04376371cfa8f1ebb2418a4341b42ddcd9ad4f48b58bcf888d867a97bdc409972856b67a8339ac5e60124aefee82a049b4f7fc6bca7a18d7e92e090be
82 lines
3.3 KiB
Python
82 lines
3.3 KiB
Python
#!/usr/bin/env python3
|
|
# Copyright (c) 2020 The Bitcoin Core developers
|
|
# Distributed under the MIT software license, see the accompanying
|
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
"""A limited-functionality wallet, which may replace a real wallet in tests"""
|
|
|
|
from decimal import Decimal
|
|
from test_framework.address import ADDRESS_BCRT1_P2SH_OP_TRUE
|
|
from test_framework.messages import (
|
|
COIN,
|
|
COutPoint,
|
|
CTransaction,
|
|
CTxIn,
|
|
CTxOut,
|
|
)
|
|
from test_framework.script import (
|
|
CScript,
|
|
OP_TRUE,
|
|
)
|
|
from test_framework.util import (
|
|
assert_equal,
|
|
hex_str_to_bytes,
|
|
satoshi_round,
|
|
)
|
|
|
|
|
|
class MiniWallet:
|
|
def __init__(self, test_node):
|
|
self._test_node = test_node
|
|
self._utxos = []
|
|
self._address = ADDRESS_BCRT1_P2SH_OP_TRUE
|
|
self._scriptPubKey = hex_str_to_bytes(self._test_node.validateaddress(self._address)['scriptPubKey'])
|
|
|
|
def generate(self, num_blocks):
|
|
"""Generate blocks with coinbase outputs to the internal address, and append the outputs to the internal list"""
|
|
blocks = self._test_node.generatetoaddress(num_blocks, self._address)
|
|
for b in blocks:
|
|
cb_tx = self._test_node.getblock(blockhash=b, verbosity=2)['tx'][0]
|
|
self._utxos.append({'txid': cb_tx['txid'], 'vout': 0, 'value': cb_tx['vout'][0]['value']})
|
|
return blocks
|
|
|
|
def get_utxo(self, *, txid=''):
|
|
"""
|
|
Returns a utxo and marks it as spent (pops it from the internal list)
|
|
|
|
Args:
|
|
txid (string), optional: get the first utxo we find from a specific transaction
|
|
|
|
Note: Can be used to get the change output immediately after a send_self_transfer
|
|
"""
|
|
index = -1 # by default the last utxo
|
|
if txid:
|
|
utxo = next(filter(lambda utxo: txid == utxo['txid'], self._utxos))
|
|
index = self._utxos.index(utxo)
|
|
return self._utxos.pop(index)
|
|
|
|
def send_self_transfer(self, *, fee_rate=Decimal("0.003"), from_node, utxo_to_spend=None):
|
|
"""Create and send a tx with the specified fee_rate. Fee may be exact or at most one satoshi higher than needed."""
|
|
self._utxos = sorted(self._utxos, key=lambda k: k['value'])
|
|
utxo_to_spend = utxo_to_spend or self._utxos.pop() # Pick the largest utxo (if none provided) and hope it covers the fee
|
|
vsize = Decimal(85)
|
|
send_value = satoshi_round(utxo_to_spend['value'] - fee_rate * (vsize / 1000))
|
|
fee = utxo_to_spend['value'] - send_value
|
|
assert send_value > 0
|
|
|
|
tx = CTransaction()
|
|
tx.vin = [CTxIn(COutPoint(int(utxo_to_spend['txid'], 16), utxo_to_spend['vout']))]
|
|
tx.vout = [CTxOut(int(send_value * COIN), self._scriptPubKey)]
|
|
tx.vin[0].scriptSig = CScript([CScript([OP_TRUE])])
|
|
tx_hex = tx.serialize().hex()
|
|
|
|
tx_info = from_node.testmempoolaccept([tx_hex])[0]
|
|
self._utxos.append({'txid': tx_info['txid'], 'vout': 0, 'value': send_value})
|
|
from_node.sendrawtransaction(tx_hex)
|
|
assert_equal(len(tx_hex) // 2, vsize)
|
|
# Dash doesn't have `fees` in this RPC result
|
|
# TODO drop this variable after 19940
|
|
b19940_done = False
|
|
if b19940_done:
|
|
assert_equal(tx_info['fees']['base'], fee)
|
|
return {'txid': tx_info['txid'], 'hex': tx_hex}
|