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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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1#!/usr/bin/env python3
2# Copyright (c) 2015-present The Bitcoin Core developers
3# Distributed under the MIT software license, see the accompanying
4# file COPYING or http://www.opensource.org/licenses/mit-license.php.
5"""Test the preciousblock RPC."""
6
7from test_framework.test_framework import BitcoinTestFramework
8from test_framework.util import (
9    assert_not_equal,
10    assert_equal,
11)
12
13def unidirectional_node_sync_via_rpc(node_src, node_dest):
14    blocks_to_copy = []
15    blockhash = node_src.getbestblockhash()
16    while True:
17        try:
18            assert len(node_dest.getblock(blockhash, False)) > 0
19            break
20        except Exception:
21            blocks_to_copy.append(blockhash)
22            blockhash = node_src.getblockheader(blockhash, True)['previousblockhash']
23    blocks_to_copy.reverse()
24    for blockhash in blocks_to_copy:
25        blockdata = node_src.getblock(blockhash, False)
26        assert node_dest.submitblock(blockdata) in (None, 'inconclusive')
27
28def node_sync_via_rpc(nodes):
29    for node_src in nodes:
30        for node_dest in nodes:
31            if node_src is node_dest:
32                continue
33            unidirectional_node_sync_via_rpc(node_src, node_dest)
34
35class PreciousTest(BitcoinTestFramework):
36    def set_test_params(self):
37        self.setup_clean_chain = True
38        self.num_nodes = 3
39
40    def setup_network(self):
41        self.setup_nodes()
42
43    def run_test(self):
44        self.log.info("Ensure submitblock can in principle reorg to a competing chain")
45        self.generate(self.nodes[0], 1, sync_fun=self.no_op)
46        assert_equal(self.nodes[0].getblockcount(), 1)
47        hashZ = self.generate(self.nodes[1], 2, sync_fun=self.no_op)[-1]
48        assert_equal(self.nodes[1].getblockcount(), 2)
49        node_sync_via_rpc(self.nodes[0:3])
50        assert_equal(self.nodes[0].getbestblockhash(), hashZ)
51
52        self.log.info("Mine blocks A-B-C on Node 0")
53        hashC = self.generate(self.nodes[0], 3, sync_fun=self.no_op)[-1]
54        assert_equal(self.nodes[0].getblockcount(), 5)
55        self.log.info("Mine competing blocks E-F-G on Node 1")
56        hashG = self.generate(self.nodes[1], 3, sync_fun=self.no_op)[-1]
57        assert_equal(self.nodes[1].getblockcount(), 5)
58        assert_not_equal(hashC, hashG)
59        self.log.info("Connect nodes and check no reorg occurs")
60        # Submit competing blocks via RPC so any reorg should occur before we proceed (no way to wait on inaction for p2p sync)
61        node_sync_via_rpc(self.nodes[0:2])
62        self.connect_nodes(0, 1)
63        assert_equal(self.nodes[0].getbestblockhash(), hashC)
64        assert_equal(self.nodes[1].getbestblockhash(), hashG)
65        self.log.info("Make Node0 prefer block G")
66        self.nodes[0].preciousblock(hashG)
67        assert_equal(self.nodes[0].getbestblockhash(), hashG)
68        self.log.info("Make Node0 prefer block C again")
69        self.nodes[0].preciousblock(hashC)
70        assert_equal(self.nodes[0].getbestblockhash(), hashC)
71        self.log.info("Make Node1 prefer block C")
72        self.nodes[1].preciousblock(hashC)
73        self.sync_blocks(self.nodes[0:2])  # wait because node 1 may not have downloaded hashC
74        assert_equal(self.nodes[1].getbestblockhash(), hashC)
75        self.log.info("Make Node1 prefer block G again")
76        self.nodes[1].preciousblock(hashG)
77        assert_equal(self.nodes[1].getbestblockhash(), hashG)
78        self.log.info("Make Node0 prefer block G again")
79        self.nodes[0].preciousblock(hashG)
80        assert_equal(self.nodes[0].getbestblockhash(), hashG)
81        self.log.info("Make Node1 prefer block C again")
82        self.nodes[1].preciousblock(hashC)
83        assert_equal(self.nodes[1].getbestblockhash(), hashC)
84        self.log.info("Mine another block (E-F-G-)H on Node 0 and reorg Node 1")
85        self.generate(self.nodes[0], 1, sync_fun=self.no_op)
86        assert_equal(self.nodes[0].getblockcount(), 6)
87        self.sync_blocks(self.nodes[0:2])
88        hashH = self.nodes[0].getbestblockhash()
89        assert_equal(self.nodes[1].getbestblockhash(), hashH)
90        self.log.info("Node1 should not be able to prefer block C anymore")
91        self.nodes[1].preciousblock(hashC)
92        assert_equal(self.nodes[1].getbestblockhash(), hashH)
93        self.log.info("Mine competing blocks I-J-K-L on Node 2")
94        self.generate(self.nodes[2], 4, sync_fun=self.no_op)
95        assert_equal(self.nodes[2].getblockcount(), 6)
96        hashL = self.nodes[2].getbestblockhash()
97        self.log.info("Connect nodes and check no reorg occurs")
98        node_sync_via_rpc(self.nodes[1:3])
99        self.connect_nodes(1, 2)
100        self.connect_nodes(0, 2)
101        assert_equal(self.nodes[0].getbestblockhash(), hashH)
102        assert_equal(self.nodes[1].getbestblockhash(), hashH)
103        assert_equal(self.nodes[2].getbestblockhash(), hashL)
104        self.log.info("Make Node1 prefer block L")
105        self.nodes[1].preciousblock(hashL)
106        assert_equal(self.nodes[1].getbestblockhash(), hashL)
107        self.log.info("Make Node2 prefer block H")
108        self.nodes[2].preciousblock(hashH)
109        assert_equal(self.nodes[2].getbestblockhash(), hashH)
110
111if __name__ == '__main__':
112    PreciousTest(__file__).main()
113

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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