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doc: Update and improve files.md
Added the `signet` subdirectory and the `ip_asn.map` file.
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doc/files.md
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doc/files.md
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@ -26,15 +26,16 @@ Linux | `$HOME/.bitcoin/`
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macOS | `$HOME/Library/Application Support/Bitcoin/`
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Windows | `%APPDATA%\Bitcoin\` <sup>[\[1\]](#note1)</sup>
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2. The non-default data directory path can be specified by `-datadir` option.
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2. A custom data directory path can be specified with the `-datadir` option.
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3. All content of the data directory, except for `bitcoin.conf` file, is chain-specific. This means the actual data directory paths for non-mainnet cases differ:
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Chain option | Data directory path
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--------------------|--------------------
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no option (mainnet) | *path_to_datadir*`/`
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`-testnet` | *path_to_datadir*`/testnet3/`
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`-regtest` | *path_to_datadir*`/regtest/`
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Chain option | Data directory path
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-------------------------------|------------------------------
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`-chain=main` (default) | *path_to_datadir*`/`
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`-chain=test` or `-testnet` | *path_to_datadir*`/testnet3/`
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`-chain=signet` or `-signet` | *path_to_datadir*`/signet/`
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`-chain=regtest` or `-regtest` | *path_to_datadir*`/regtest/`
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## Data directory layout
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@ -44,17 +45,18 @@ Subdirectory | File(s) | Description
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`blocks/index/` | LevelDB database | Block index; `-blocksdir` option does not affect this path
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`blocks/` | `blkNNNNN.dat`<sup>[\[2\]](#note2)</sup> | Actual Bitcoin blocks (in network format, dumped in raw on disk, 128 MiB per file)
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`blocks/` | `revNNNNN.dat`<sup>[\[2\]](#note2)</sup> | Block undo data (custom format)
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`chainstate/` | LevelDB database | Blockchain state (a compact representation of all currently unspent transaction outputs and some metadata about the transactions they are from)
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`chainstate/` | LevelDB database | Blockchain state (a compact representation of all currently unspent transaction outputs (UTXOs) and metadata about the transactions they are from)
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`indexes/txindex/` | LevelDB database | Transaction index; *optional*, used if `-txindex=1`
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`indexes/blockfilter/basic/db/` | LevelDB database | Blockfilter index LevelDB database for the basic filtertype; *optional*, used if `-blockfilterindex=basic`
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`indexes/blockfilter/basic/` | `fltrNNNNN.dat`<sup>[\[2\]](#note2)</sup> | Blockfilter index filters for the basic filtertype; *optional*, used if `-blockfilterindex=basic`
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`wallets/` | | [Contains wallets](#multi-wallet-environment); can be specified by `-walletdir` option; if `wallets/` subdirectory does not exist, a wallet resides in the data directory
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`wallets/` | | [Contains wallets](#multi-wallet-environment); can be specified by `-walletdir` option; if `wallets/` subdirectory does not exist, wallets reside in the [data directory](#data-directory-location)
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`./` | `banlist.dat` | Stores the IPs/subnets of banned nodes
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`./` | `bitcoin.conf` | User-defined [configuration settings](bitcoin-conf.md) for `bitcoind` or `bitcoin-qt`. File is not written to by the software and must be created manually. Path can be specified by `-conf` option
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`./` | `bitcoind.pid` | Stores the process ID (PID) of `bitcoind` or `bitcoin-qt` while running; created at start and deleted on shutdown; can be specified by `-pid` option
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`./` | `debug.log` | Contains debug information and general logging generated by `bitcoind` or `bitcoin-qt`; can be specified by `-debuglogfile` option
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`./` | `fee_estimates.dat` | Stores statistics used to estimate minimum transaction fees and priorities required for confirmation
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`./` | `guisettings.ini.bak` | Backup of former [GUI settings](#gui-settings) after `-resetguisettings` option is used
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`./` | `ip_asn.map` | IP addresses to Autonomous System Numbers (ASNs) mapping used for bucketing of the peers; path can be specified with the `-asmap` option
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`./` | `mempool.dat` | Dump of the mempool's transactions
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`./` | `onion_private_key` | Cached Tor onion service private key for `-listenonion` option
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`./` | `peers.dat` | Peer IP address database (custom format)
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@ -101,7 +103,6 @@ Path | Description | Repository notes
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## Notes
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<a name="note1">1</a>. The `/` (slash, U+002F) is used as the platform-independent path component separator in this paper.
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<a name="note1">1</a>. The `/` (slash, U+002F) is used as the platform-independent path component separator in this document.
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<a name="note2">2</a>. `NNNNN` matches `[0-9]{5}` regex.
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