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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) 2020-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 getblockfrompeer RPC."""
6
7from test_framework.messages import (
8    CBlock,
9    from_hex,
10    msg_headers,
11    NODE_WITNESS,
12)
13from test_framework.p2p import (
14    P2P_SERVICES,
15    P2PInterface,
16)
17from test_framework.test_framework import BitcoinTestFramework
18from test_framework.util import (
19    assert_equal,
20    assert_raises_rpc_error,
21    JSONRPCException,
22)
23
24
25class GetBlockFromPeerTest(BitcoinTestFramework):
26    def set_test_params(self):
27        self.num_nodes = 3
28        self.extra_args = [
29            [],
30            [],
31            ["-fastprune", "-prune=1"]
32        ]
33
34    def setup_network(self):
35        self.setup_nodes()
36
37    def check_for_block(self, node, hash):
38        try:
39            self.nodes[node].getblock(hash)
40            return True
41        except JSONRPCException:
42            return False
43
44    def run_test(self):
45        self.log.info("Mine 4 blocks on Node 0")
46        self.generate(self.nodes[0], 4, sync_fun=self.no_op)
47        assert_equal(self.nodes[0].getblockcount(), 204)
48
49        self.log.info("Mine competing 3 blocks on Node 1")
50        self.generate(self.nodes[1], 3, sync_fun=self.no_op)
51        assert_equal(self.nodes[1].getblockcount(), 203)
52        short_tip = self.nodes[1].getbestblockhash()
53
54        self.log.info("Connect nodes to sync headers")
55        self.connect_nodes(0, 1)
56        self.sync_blocks(self.nodes[0:2])
57
58        self.log.info("Node 0 should only have the header for node 1's block 3")
59        x = next(filter(lambda x: x['hash'] == short_tip, self.nodes[0].getchaintips()))
60        assert_equal(x['status'], "headers-only")
61        assert_raises_rpc_error(-1, "Block not available (not fully downloaded)", self.nodes[0].getblock, short_tip)
62
63        self.log.info("Fetch block from node 1")
64        peers = self.nodes[0].getpeerinfo()
65        assert_equal(len(peers), 1)
66        peer_0_peer_1_id = peers[0]["id"]
67
68        self.log.info("Arguments must be valid")
69        assert_raises_rpc_error(-8, "hash must be of length 64 (not 4, for '1234')", self.nodes[0].getblockfrompeer, "1234", peer_0_peer_1_id)
70
71        # cli handles wrong types differently
72        if not self.options.usecli:
73            assert_raises_rpc_error(-3, "JSON value of type number is not of expected type string", self.nodes[0].getblockfrompeer, 1234, peer_0_peer_1_id)
74            assert_raises_rpc_error(-3, "JSON value of type string is not of expected type number", self.nodes[0].getblockfrompeer, short_tip, "0")
75
76        self.log.info("We must already have the header")
77        assert_raises_rpc_error(-1, "Block header missing", self.nodes[0].getblockfrompeer, "00" * 32, 0)
78
79        self.log.info("Non-existent peer generates error")
80        for peer_id in [-1, peer_0_peer_1_id + 1]:
81            assert_raises_rpc_error(-1, "Peer does not exist", self.nodes[0].getblockfrompeer, short_tip, peer_id)
82
83        self.log.info("Fetching from pre-segwit peer generates error")
84        self.nodes[0].add_p2p_connection(P2PInterface(), services=P2P_SERVICES & ~NODE_WITNESS)
85        peers = self.nodes[0].getpeerinfo()
86        assert_equal(len(peers), 2)
87        presegwit_peer_id = peers[1]["id"]
88        assert_raises_rpc_error(-1, "Pre-SegWit peer", self.nodes[0].getblockfrompeer, short_tip, presegwit_peer_id)
89
90        self.log.info("Successful fetch")
91        result = self.nodes[0].getblockfrompeer(short_tip, peer_0_peer_1_id)
92        self.wait_until(lambda: self.check_for_block(node=0, hash=short_tip), timeout=1)
93        assert_equal(result, {})
94
95        self.log.info("Don't fetch blocks we already have")
96        assert_raises_rpc_error(-1, "Block already downloaded", self.nodes[0].getblockfrompeer, short_tip, peer_0_peer_1_id)
97
98        self.log.info("Don't fetch blocks while the node has not synced past it yet")
99        # For this test we need node 1 in prune mode and as a side effect this also disconnects
100        # the nodes which is also necessary for the rest of the test.
101        self.restart_node(1, ["-prune=550"])
102
103        # Generate a block on the disconnected node that the pruning node is not connected to
104        blockhash = self.generate(self.nodes[0], 1, sync_fun=self.no_op)[0]
105        block_hex = self.nodes[0].getblock(blockhash=blockhash, verbosity=0)
106        block = from_hex(CBlock(), block_hex)
107
108        # Connect a P2PInterface to the pruning node and have it submit only the header of the
109        # block that the pruning node has not seen
110        node1_interface = self.nodes[1].add_p2p_connection(P2PInterface())
111        node1_interface.send_and_ping(msg_headers([block]))
112
113        # Get the peer id of the P2PInterface from the pruning node
114        node1_peers = self.nodes[1].getpeerinfo()
115        assert_equal(len(node1_peers), 1)
116        node1_interface_id = node1_peers[0]["id"]
117
118        # Trying to fetch this block from the P2PInterface should not be possible
119        error_msg = "In prune mode, only blocks that the node has already synced previously can be fetched from a peer"
120        assert_raises_rpc_error(-1, error_msg, self.nodes[1].getblockfrompeer, blockhash, node1_interface_id)
121
122        self.log.info("Connect pruned node")
123        self.connect_nodes(0, 2)
124        pruned_node = self.nodes[2]
125        self.sync_blocks([self.nodes[0], pruned_node])
126
127        # We need to generate more blocks to be able to prune
128        self.generate(self.nodes[0], 400, sync_fun=self.no_op)
129        self.sync_blocks([self.nodes[0], pruned_node])
130        pruneheight = pruned_node.pruneblockchain(300)
131        assert_equal(pruneheight, 249)
132        # Ensure the block is actually pruned
133        pruned_block = self.nodes[0].getblockhash(2)
134        assert_raises_rpc_error(-1, "Block not available (pruned data)", pruned_node.getblock, pruned_block)
135
136        self.log.info("Fetch pruned block")
137        peers = pruned_node.getpeerinfo()
138        assert_equal(len(peers), 1)
139        pruned_node_peer_0_id = peers[0]["id"]
140        result = pruned_node.getblockfrompeer(pruned_block, pruned_node_peer_0_id)
141        self.wait_until(lambda: self.check_for_block(node=2, hash=pruned_block), timeout=1)
142        assert_equal(result, {})
143
144        self.log.info("Fetched block persists after next pruning event")
145        self.generate(self.nodes[0], 250, sync_fun=self.no_op)
146        self.sync_blocks([self.nodes[0], pruned_node])
147        pruneheight += 252
148        assert_equal(pruned_node.pruneblockchain(700), pruneheight)
149        assert_equal(pruned_node.getblock(pruned_block)["hash"], "196ee3a1a6db2353965081c48ef8e6b031cb2115d084bec6fec937e91a2c6277")
150
151        self.log.info("Fetched block can be pruned again when prune height exceeds the height of the tip at the time when the block was fetched")
152        self.generate(self.nodes[0], 250, sync_fun=self.no_op)
153        self.sync_blocks([self.nodes[0], pruned_node])
154        pruneheight += 251
155        assert_equal(pruned_node.pruneblockchain(1000), pruneheight)
156        assert_raises_rpc_error(-1, "Block not available (pruned data)", pruned_node.getblock, pruned_block)
157
158
159if __name__ == '__main__':
160    GetBlockFromPeerTest(__file__).main()
161

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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