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

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

bitcoin / bitcoinstable

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▤ combined_log_template.html

▤ create_cache.py

▤ example_test.py

▤ feature_abortnode.py

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▤ feature_coinstatsindex.py

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▤ feature_csv_activation.py

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▤ feature_port.py

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▤ feature_presegwit_node_upgrade.py

▤ feature_proxy.py

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▤ feature_rbf.py

▤ feature_reindex_init.py

▤ feature_reindex_readonly.py

▤ feature_reindex.py

▤ feature_remove_pruned_files_on_startup.py

▤ feature_segwit.py

▤ feature_settings.py

▤ feature_shutdown.py

▤ feature_signet.py

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▤ feature_taproot.py

▤ feature_torcontrol.py

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▤ feature_utxo_abort_on_error.py

▤ feature_utxo_set_hash.py

▤ feature_versionbits_warning.py

▤ interface_bitcoin_cli.py

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▤ mempool_dust.py

▤ mempool_ephemeral_dust.py

▤ mempool_expiry.py

▤ mempool_limit.py

▤ mempool_package_limits.py

▤ mempool_package_rbf.py

▤ mempool_packages.py

▤ mempool_persist.py

▤ mempool_reorg.py

▤ mempool_resurrect.py

▤ mempool_sigoplimit.py

▤ mempool_spend_coinbase.py

▤ mempool_truc.py

▤ mempool_unbroadcast.py

▤ mempool_updatefromblock.py

▤ mining_basic.py

▤ mining_getblocktemplate_longpoll.py

▤ mining_mainnet.py

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▤ mining_template_verification.py

▤ p2p_1p1c_network.py

▤ p2p_add_connections.py

▤ p2p_addr_relay.py

▤ p2p_addr_selfannouncement.py

▤ p2p_addrfetch.py

▤ p2p_addrv2_relay.py

▤ p2p_bip434_feature.py

▤ p2p_block_sync.py

▤ p2p_blockfilters.py

▤ p2p_blocksonly.py

▤ p2p_compactblocks_blocksonly.py

▤ p2p_compactblocks_hb.py

▤ p2p_compactblocks.py

▤ p2p_connection_limits.py

▤ p2p_disconnect_ban.py

▤ p2p_getaddr_caching.py

▤ p2p_getdata.py

▤ p2p_handshake.py

▤ p2p_headers_sync_with_minchainwork.py

▤ p2p_i2p_ports.py

▤ p2p_i2p_sessions.py

▤ p2p_ibd_stalling.py

▤ p2p_ibd_txrelay.py

▤ p2p_initial_headers_sync.py

▤ p2p_invalid_block.py

▤ p2p_invalid_locator.py

▤ p2p_invalid_messages.py

▤ p2p_invalid_tx.py

▤ p2p_leak_tx.py

▤ p2p_leak.py

▤ p2p_message_capture.py

▤ p2p_mutated_blocks.py

▤ p2p_net_deadlock.py

▤ p2p_nobloomfilter_messages.py

▤ p2p_node_network_limited.py

▤ p2p_opportunistic_1p1c.py

▤ p2p_orphan_handling.py

▤ p2p_outbound_eviction.py

▤ p2p_permissions.py

▤ p2p_ping.py

▤ p2p_private_broadcast_cap.py

▤ p2p_private_broadcast_completion.py

▤ p2p_private_broadcast_retry_v1.py

▤ p2p_private_broadcast.py

▤ p2p_tx_relay_rate_limit.py

▤ p2p_unrequested_blocks.py

▤ p2p_v2_encrypted.py

▤ p2p_v2_misbehaving.py

▤ p2p_v2_transport.py

▤ README.md

▤ rpc_bind.py

▤ rpc_blockchain.py

▤ rpc_createmultisig.py

▤ rpc_decodescript.py

▤ rpc_deprecated.py

▤ rpc_deriveaddresses.py

▤ rpc_dumptxoutset.py

▤ rpc_echo_payload.py

▤ rpc_estimatefee.py

▤ rpc_generate.py

▤ rpc_getblockfilter.py

▤ rpc_getblockfrompeer.py

▤ rpc_getblockstats.py

▤ rpc_getchaintips.py

▤ rpc_getdescriptoractivity.py

▤ rpc_getdescriptorinfo.py

▤ rpc_gettxspendingprevout.py

▤ rpc_help.py

▤ rpc_invalid_address_message.py

▤ rpc_invalidateblock.py

▤ rpc_misc.py

▤ rpc_named_arguments.py

▤ rpc_preciousblock.py

▤ rpc_psbt.py

▤ rpc_rawtransaction.py

▤ rpc_scanblocks.py

▤ rpc_scantxoutset.py

▤ rpc_setban.py

▤ rpc_signer.py

▤ rpc_signmessagewithprivkey.py

▤ rpc_signrawtransactionwithkey.py

▤ rpc_txoutproof.py

▤ rpc_uptime.py

▤ rpc_users.py

▤ rpc_validateaddress.py

▤ rpc_whitelist.py

▤ test_runner.py

▤ test-shell.md

▤ tool_bench_sanity_check.py

▤ tool_bitcoin_chainstate.py

▤ tool_bitcoin.py

▤ tool_rpcauth.py

▤ tool_signet_miner.py

▤ tool_utils.py

▤ tool_utxo_to_sqlite.py

▤ tool_wallet.py

▤ wallet_abandonconflict.py

▤ wallet_address_types.py

▤ wallet_anchor.py

▤ wallet_ancient_migration.py

▤ wallet_assumeutxo.py

▤ wallet_avoid_mixing_output_types.py

▤ wallet_avoidreuse.py

▤ wallet_backup.py

▤ wallet_backwards_compatibility.py

▤ wallet_change_address.py

▤ wallet_coinbase_category.py

▤ wallet_conflicts.py

▤ wallet_create_tx.py

▤ wallet_createwallet.py

▤ wallet_createwalletdescriptor.py

▤ wallet_crosschain.py

▤ wallet_deprecated_rbf.py

▤ wallet_derivehdkey.py

▤ wallet_descriptor.py

▤ wallet_disable.py

▤ wallet_encryption.py

▤ wallet_exported_watchonly.py

▤ wallet_fallbackfee.py

▤ wallet_fast_rescan.py

▤ wallet_fundrawtransaction.py

▤ wallet_gethdkeys.py

▤ wallet_groups.py

▤ wallet_hd.py

▤ wallet_importdescriptors.py

▤ wallet_importprunedfunds.py

▤ wallet_keypool_topup.py

▤ wallet_keypool.py

▤ wallet_labels.py

▤ wallet_listdescriptors.py

▤ wallet_listreceivedby.py

▤ wallet_listsinceblock.py

▤ wallet_listtransactions.py

▤ wallet_migration.py

▤ wallet_miniscript_decaying_multisig_descriptor_psbt.py

▤ wallet_miniscript.py

▤ wallet_multisig_descriptor_psbt.py

▤ wallet_multiwallet.py

▤ wallet_musig.py

▤ wallet_orphanedreward.py

▤ wallet_reindex.py

▤ wallet_reorgsrestore.py

▤ wallet_rescan_unconfirmed.py

▤ wallet_resendwallettransactions.py

▤ wallet_signmessagewithaddress.py

▤ wallet_signrawtransactionwithwallet.py

▤ wallet_simulaterawtx.py

▤ wallet_spend_unconfirmed.py

▤ wallet_startup.py

▤ wallet_taproot.py

▤ wallet_timelock.py

▤ wallet_transactiontime_rescan.py

▤ wallet_txn_clone.py

▤ wallet_txn_doublespend.py

▤ wallet_v3_txs.py

fuzz

lint

sanitizer_suppressions

▤ CMakeLists.txt

▤ config.ini.in

▤ download_utils.py

▤ get_previous_releases.py

▤ CMakeLists.txtGuide

▤ libbitcoinkernel.pc.in

bitcoin / test / functional / p2p_sendheaders.py

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25,377 bytes · SHA-256 c78eb820c5979df9… · View upstream ↗

501        # both blocks (same work as tip)
502        test_node.send_header_for_blocks(blocks[1:2])
503        test_node.sync_with_ping()
504        test_node.wait_for_getdata([x.hash_int for x in blocks[0:2]], timeout=DIRECT_FETCH_RESPONSE_TIME)
505
506        # Announcing 16 more headers should trigger direct fetch for 14 more
507        # blocks
508        test_node.send_header_for_blocks(blocks[2:18])
509        test_node.sync_with_ping()
510        test_node.wait_for_getdata([x.hash_int for x in blocks[2:16]], timeout=DIRECT_FETCH_RESPONSE_TIME)
511
512        # Announcing 1 more header should not trigger any response
513        test_node.last_message.pop("getdata", None)
514        test_node.send_header_for_blocks(blocks[18:19])
515        test_node.sync_with_ping()
516        with p2p_lock:
517            assert "getdata" not in test_node.last_message
518
519        self.log.info("Part 4: success!")
520
521        # Now deliver all those blocks we announced.
522        [test_node.send_without_ping(msg_block(x)) for x in blocks]
523
524        self.log.info("Part 5: Testing handling of unconnecting headers")
525        # First we test that receipt of an unconnecting header doesn't prevent
526        # chain sync.
527        expected_hash = tip
528        NUM_HEADERS = 100
529        for i in range(NUM_HEADERS):
530            self.log.debug("Part 5.{}: starting...".format(i))
531            test_node.last_message.pop("getdata", None)
532            blocks = []
533            # Create two more blocks.
534            for _ in range(2):
535                blocks.append(create_block(tip, height=height, ntime=block_time))
536                blocks[-1].solve()
537                tip = blocks[-1].hash_int
538                block_time += 1
539                height += 1
540            # Send the header of the second block -> this won't connect.
541            test_node.send_header_for_blocks([blocks[1]])
542            test_node.wait_for_getheaders(block_hash=expected_hash)
543            test_node.send_header_for_blocks(blocks)
544            test_node.wait_for_getdata([x.hash_int for x in blocks])
545            [test_node.send_without_ping(msg_block(x)) for x in blocks]
546            test_node.sync_with_ping()
547            assert_equal(self.nodes[0].getbestblockhash(), blocks[1].hash_hex)
548            expected_hash = blocks[1].hash_int
549
550        blocks = []
551        # Now we test that if we repeatedly don't send connecting headers, we
552        # don't go into an infinite loop trying to get them to connect.
553        for _ in range(NUM_HEADERS + 1):
554            blocks.append(create_block(tip, height=height, ntime=block_time))
555            blocks[-1].solve()
556            tip = blocks[-1].hash_int
557            block_time += 1
558            height += 1
559
560        for i in range(1, NUM_HEADERS):
561            with p2p_lock:
562                test_node.last_message.pop("getheaders", None)
563            # Send an empty header as a failed response to the received getheaders
564            # (from the previous iteration). Otherwise, the new headers will be
565            # treated as a response instead of as an announcement.
566            test_node.send_header_for_blocks([])
567            # Send the actual unconnecting header, which should trigger a new getheaders.
568            test_node.send_header_for_blocks([blocks[i]])
569            test_node.wait_for_getheaders(block_hash=expected_hash)
570
571        # Finally, check that the inv node never received a getdata request,
572        # throughout the test
573        assert "getdata" not in inv_node.last_message
574
575if __name__ == '__main__':
576    SendHeadersTest(__file__).main()
577

A READING COMPANION

Source available. Guide coming next.

This file is included in the stable source snapshot. A file-specific guide has not been published yet.

440 guided files · 2,580 pending. Guides cover key sections, not every line.

cmake/bitcoin-build-config.h.in src/consensus/amount.h src/consensus/consensus.h src/primitives/block.h src/primitives/transaction.h src/crypto/sha256.h src/util/moneystr.h src/clientversion.h src/uint256.h src/script/script.h src/policy/policy.h CMakeLists.txt README.md COPYING src/consensus/tx_check.cpp src/consensus/tx_verify.cpp src/consensus/merkle.cpp src/pow.cpp src/validation.cpp src/script/interpreter.cpp src/script/solver.cpp src/script/sign.cpp src/key_io.cpp src/net.cpp src/net_processing.cpp src/netaddress.cpp src/protocol.h src/wallet/wallet.cpp src/wallet/spend.cpp

← Previous 250 linesCode page 3

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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