BITCOIN MAINNETLive explorer status

Explorer Mempool Feed Forum Visualizer Receipts Tools Learn Code

Inside Bitcoin

Opening the selected file…

₿MyBitcoinExplorer

Bitcoin, in focus.
Explore the network. Understand the connections.

Explore Bitcoin with clarity.

READ THE CODE

Inside Bitcoin

The code behind the network, with room to understand it.

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

Find a file

▤ combined_log_template.html

▤ create_cache.py

▤ example_test.py

▤ feature_abortnode.py

▤ feature_addrman.py

▤ feature_anchors.py

▤ feature_asmap.py

▤ feature_assumeutxo.py

▤ feature_assumevalid.py

▤ feature_bind_extra.py

▤ feature_bind_port_discover.py

▤ feature_bind_port_externalip.py

▤ feature_bip68_sequence.py

▤ feature_block.py

▤ feature_blocksdir.py

▤ feature_blocksxor.py

▤ feature_chain_tiebreaks.py

▤ feature_cltv.py

▤ feature_coinstatsindex_compatibility.py

▤ feature_coinstatsindex.py

▤ feature_config_args.py

▤ feature_csv_activation.py

▤ feature_dbcrash.py

▤ feature_dersig.py

▤ feature_dirsymlinks.py

▤ feature_discover.py

▤ feature_fastprune.py

▤ feature_fee_estimation.py

▤ feature_filelock.py

▤ feature_framework_miniwallet.py

▤ feature_framework_startup_failures.py

▤ feature_framework_testshell.py

▤ feature_framework_unit_tests.py

▤ feature_help.py

▤ feature_includeconf.py

▤ feature_index_prune.py

▤ feature_init.py

▤ feature_loadblock.py

▤ feature_logging.py

▤ feature_maxtipage.py

▤ feature_maxuploadtarget.py

▤ feature_minchainwork.py

▤ feature_notifications.py

▤ feature_nulldummy.py

▤ feature_port.py

▤ feature_posix_fs_permissions.py

▤ feature_presegwit_node_upgrade.py

▤ feature_proxy.py

▤ feature_prune_stale_fork.py

▤ feature_pruning.py

▤ 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

▤ feature_startupnotify.py

▤ feature_taproot.py

▤ feature_torcontrol.py

▤ feature_txindex_compatibility.py

▤ feature_uacomment.py

▤ feature_unsupported_utxo_db.py

▤ feature_utxo_abort_on_error.py

▤ feature_utxo_set_hash.py

▤ feature_versionbits_warning.py

▤ interface_bitcoin_cli.py

▤ interface_gui.py

▤ interface_http.py

▤ interface_ipc_cli.py

▤ interface_ipc_mining.py

▤ interface_ipc.py

▤ interface_rest.py

▤ interface_rpc.py

▤ interface_usdt_coinselection.py

▤ interface_usdt_mempool.py

▤ interface_usdt_net.py

▤ interface_usdt_utxocache.py

▤ interface_usdt_validation.py

▤ interface_zmq.py

▤ mempool_accept_wtxid.py

▤ mempool_accept.py

▤ mempool_cluster.py

▤ mempool_compatibility.py

▤ mempool_datacarrier.py

▤ 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

▤ mining_prioritisetransaction.py

▤ 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 / wallet_descriptor.py

Download source ↓

13,717 bytes · SHA-256 bb3df756a9b1dfb3… · View upstream ↗

251                'internal': internal
252            }])
253
254            for i in range(0, 10):
255                if internal:
256                    exp_addr = exp_rpc.getrawchangeaddress(address_type=addr_type)
257                    imp_addr = imp_rpc.getrawchangeaddress(address_type=addr_type)
258                else:
259                    exp_addr = exp_rpc.getnewaddress(address_type=addr_type)
260                    imp_addr = imp_rpc.getnewaddress(address_type=addr_type)
261                assert_equal(exp_addr, imp_addr)
262
263        self.log.info("Test that loading descriptor wallet containing legacy key types throws error")
264        self.nodes[0].createwallet(wallet_name="crashme")
265        self.nodes[0].unloadwallet("crashme")
266        wallet_db = self.nodes[0].wallets_path / "crashme" / self.wallet_data_filename
267        conn = sqlite3.connect(wallet_db)
268        with conn:
269            # add "cscript" entry: key type is uint160 (20 bytes), value type is CScript (zero-length here)
270            conn.execute('INSERT INTO main VALUES(?, ?)', (b'\x07cscript' + b'\x00'*20, b'\x00'))
271        conn.close()
272        assert_raises_rpc_error(-4, "Unexpected legacy entry in descriptor wallet found.", self.nodes[0].loadwallet, "crashme")
273
274        self.log.info("Test that loading descriptor wallet containing both unencrypted and encrypted keys for same descriptor fails to load")
275        wallet_name = "mixed_crypt"
276        self.nodes[0].createwallet(wallet_name)
277        self.nodes[0].unloadwallet(wallet_name)
278        wallet_db = self.nodes[0].wallets_path / wallet_name / self.wallet_data_filename
279        conn = sqlite3.connect(wallet_db)
280        with conn:
281            key_prefix = ser_string(b"walletdescriptorkey")
282            ckey_prefix = ser_string(b"walletdescriptorckey")
283            rows = conn.execute('SELECT key, value FROM main').fetchall()
284            key_rows = [(k, v) for k, v in rows if k.startswith(key_prefix)]
285            # Test the test, want to be sure there is at least one unencrypted key.
286            assert len(key_rows) >= 1
287            k, v = key_rows[0]
288            conn.execute('INSERT INTO main VALUES(?, ?)', (k.replace(key_prefix, ckey_prefix), v))
289        conn.close()
290        with self.nodes[0].assert_debug_log(["Wallet contains both unencrypted and encrypted keys"]):
291            assert_raises_rpc_error(-4, "Wallet corrupted", self.nodes[0].loadwallet, wallet_name)
292
293        self.test_parent_descriptors()
294
295if __name__ == '__main__':
296    WalletDescriptorTest(__file__).main()
297

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 2

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

Independent explanations by MyBitcoinExplorer. Not affiliated with or endorsed by Bitcoin Core. Guides are educational and do not replace the source or its tests.

Bitcoin Core source © its contributors, distributed under the MIT license. Original notices and bundled third-party licenses are retained in the source tree.