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rpc_generateblock.py
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#!/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.
'''Test generateblock rpc.
'''
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
)
class GenerateBlockTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
node = self.nodes[0]
self.log.info('Generate an empty block to address')
address = node.getnewaddress()
hash = node.generateblock(address, [])['hash']
block = node.getblock(hash, 2)
assert_equal(len(block['tx']), 1)
assert_equal(block['tx'][0]['vout'][0]['scriptPubKey']['addresses'][0], address)
self.log.info('Generate an empty block to a descriptor')
hash = node.generateblock('addr(' + address + ')', [])['hash']
block = node.getblock(hash, 2)
assert_equal(len(block['tx']), 1)
assert_equal(block['tx'][0]['vout'][0]['scriptPubKey']['addresses'][0], address)
self.log.info('Generate an empty block to a combo descriptor with compressed pubkey')
combo_key = '0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798'
combo_address = 'bcrt1qw508d6qejxtdg4y5r3zarvary0c5xw7kygt080'
hash = node.generateblock('combo(' + combo_key + ')', [])['hash']
block = node.getblock(hash, 2)
assert_equal(len(block['tx']), 1)
assert_equal(block['tx'][0]['vout'][0]['scriptPubKey']['addresses'][0], combo_address)
self.log.info('Generate an empty block to a combo descriptor with uncompressed pubkey')
combo_key = '0408ef68c46d20596cc3f6ddf7c8794f71913add807f1dc55949fa805d764d191c0b7ce6894c126fce0babc6663042f3dde9b0cf76467ea315514e5a6731149c67'
combo_address = 'mkc9STceoCcjoXEXe6cm66iJbmjM6zR9B2'
hash = node.generateblock('combo(' + combo_key + ')', [])['hash']
block = node.getblock(hash, 2)
assert_equal(len(block['tx']), 1)
assert_equal(block['tx'][0]['vout'][0]['scriptPubKey']['addresses'][0], combo_address)
# Generate 110 blocks to spend
node.generatetoaddress(110, address)
# Generate some extra mempool transactions to verify they don't get mined
for i in range(10):
node.sendtoaddress(address, 0.001)
self.log.info('Generate block with txid')
txid = node.sendtoaddress(address, 1)
hash = node.generateblock(address, [txid])['hash']
block = node.getblock(hash, 1)
assert_equal(len(block['tx']), 2)
assert_equal(block['tx'][1], txid)
self.log.info('Generate block with raw tx')
utxos = node.listunspent(addresses=[address])
raw = node.createrawtransaction([{'txid':utxos[0]['txid'], 'vout':utxos[0]['vout']}],[{address:1}])
signed_raw = node.signrawtransactionwithwallet(raw)['hex']
hash = node.generateblock(address, [signed_raw])['hash']
block = node.getblock(hash, 1)
assert_equal(len(block['tx']), 2)
txid = block['tx'][1]
assert_equal(node.gettransaction(txid)['hex'], signed_raw)
self.log.info('Fail to generate block with out of order txs')
raw1 = node.createrawtransaction([{'txid':txid, 'vout':0}],[{address:0.9999}])
signed_raw1 = node.signrawtransactionwithwallet(raw1)['hex']
txid1 = node.sendrawtransaction(signed_raw1)
raw2 = node.createrawtransaction([{'txid':txid1, 'vout':0}],[{address:0.999}])
signed_raw2 = node.signrawtransactionwithwallet(raw2)['hex']
assert_raises_rpc_error(-25, 'TestBlockValidity failed: bad-txns-inputs-missingorspent', node.generateblock, address, [signed_raw2, txid1])
self.log.info('Fail to generate block with txid not in mempool')
missing_txid = '0000000000000000000000000000000000000000000000000000000000000000'
assert_raises_rpc_error(-5, 'Transaction ' + missing_txid + ' not in mempool.', node.generateblock, address, [missing_txid])
self.log.info('Fail to generate block with invalid raw tx')
invalid_raw_tx = '0000'
assert_raises_rpc_error(-22, 'Transaction decode failed for ' + invalid_raw_tx, node.generateblock, address, [invalid_raw_tx])
self.log.info('Fail to generate block with invalid address/descriptor')
assert_raises_rpc_error(-5, 'Invalid address or descriptor', node.generateblock, '1234', [])
self.log.info('Fail to generate block with a ranged descriptor')
ranged_descriptor = 'pkh(tpubD6NzVbkrYhZ4XgiXtGrdW5XDAPFCL9h7we1vwNCpn8tGbBcgfVYjXyhWo4E1xkh56hjod1RhGjxbaTLV3X4FyWuejifB9jusQ46QzG87VKp/0/*)'
assert_raises_rpc_error(-8, 'Ranged descriptor not accepted. Maybe pass through deriveaddresses first?', node.generateblock, ranged_descriptor, [])
self.log.info('Fail to generate block with a descriptor missing a private key')
child_descriptor = 'pkh(tpubD6NzVbkrYhZ4XgiXtGrdW5XDAPFCL9h7we1vwNCpn8tGbBcgfVYjXyhWo4E1xkh56hjod1RhGjxbaTLV3X4FyWuejifB9jusQ46QzG87VKp/0\'/0)'
assert_raises_rpc_error(-5, 'Cannot derive script without private keys', node.generateblock, child_descriptor, [])
if __name__ == '__main__':
GenerateBlockTest().main()