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Dogecoin Core file system

Contents

Data directory location

The data directory is the default location where the Dogecoin Core files are stored.

  1. The default data directory paths for supported platforms are:
Platform Data directory path
Linux $HOME/.dogecoin/
macOS $HOME/Library/Application Support/Bells/
Windows %APPDATA%\Dogecoin\ [1]

  1. A custom data directory path can be specified with the -datadir option.

  2. All content of the data directory, except for the bells.conf file, is chain-specific. This means the actual data directory paths for non-mainnet cases differ:

Chain Data directory path
(default) path_to_datadir/
-testnet path_to_datadir/testnet3/
-regtest path_to_datadir/regtest/

Data directory layout

Subdirectory File(s) Description
blocks/ Blocks directory
blocks/index/ LevelDB database Block and transaction indices
blocks/ blkNNNNN.dat Actual blocks (in network format, dumped in raw on disk, 128 MiB per file)
blocks/ revNNNNN.dat Block undo data (custom format)
chainstate/ LevelDB database Blockchain state, a.k.a UTXO database
./ anchors.dat Anchor IP address database, created on shutdown and deleted at startup. Anchors are last known outgoing block-relay-only peers that are tried to re-connect to on startup
./ banlist.dat Stores the IPs/subnets of banned nodes
./ bells.conf User-defined configuration settings for bellsd or bells-qt; can be specified by -conf option
./ bellsd.pid Stores the process ID (PID) of bellsd or bells-qt while running; can be specified by -pid option
./ debug.log Contains debug information and general logging generated by bellsd or bells-qt
./ fee_estimates.dat Stores statistics used to estimate smart transaction fees and priorities required for confirmation
./ mempool.dat Dump of the mempool's transactions
./ onion_private_key Cached Tor onion service private key for -listenonion option
./ peers.dat Peer IP address database
./ .cookie Session RPC authentication cookie; if used, created at start and deleted on shutdown; can be specified by -rpccookiefile option
./ .lock Data directory lock file
./ db.log BDB error file
./ wallet.dat Personal wallet (a BDB database) with keys and transactions
./ .walletlock BDB wallet lock file

GUI settings

bells-qt uses the QSettings class; this implies platform-specific locations where application settings are stored.

Legacy subdirectories and files

These subdirectories and files are no longer used by Dogecoin Core:

Path Description
blktree/ Blockchain index; replaced by blocks/index/ in 1.10.0
coins/ Unspent transaction output database; replaced by chainstate/ in 1.10.0
blkindex.dat Blockchain index BDB database; replaced by {chainstate/, blocks/index/, blocks/revNNNNN.dat} in 1.10.0
blk000?.dat Block data (custom format, 2 GiB per file); replaced by blocks/blkNNNNN.dat in 1.10.0
addr.dat Peer IP address BDB database; replaced by peers.dat in 1.7.0

Notes

1. The / (slash, U+002F) is used as the platform-independent path component separator in this document.