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bitcoin/doc/files.md
Emil Engler 9b51b158fc Add nice table to files.md 
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Fix linting issue

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2018-12-11 22:24:09 +01:00

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Filename Description
banlist.dat stores the IPs/Subnets of banned nodes
bitcoin.conf contains configuration settings for bitcoind or bitcoin-qt
bitcoind.pid stores the process id of bitcoind while running
blocks/blk000??.dat block data (custom, 128 MiB per file); since 0.8.0
blocks/rev000??.dat block undo data (custom); since 0.8.0 (format changed since pre-0.8)
blocks/index/* block index (LevelDB); since 0.8.0
chainstate/* blockchain state database (LevelDB); since 0.8.0
database/* BDB database environment; only used for wallet since 0.8.0; moved to wallets/ directory on new installs since 0.16.0
db.log wallet database log file; moved to wallets/ directory on new installs since 0.16.0
debug.log contains debug information and general logging generated by bitcoind or bitcoin-qt
fee_estimates.dat stores statistics used to estimate minimum transaction fees and priorities required for confirmation; since 0.10.0
indexes/txindex/* optional transaction index database (LevelDB); since 0.17.0
mempool.dat dump of the mempool's transactions; since 0.14.0
peers.dat peer IP address database (custom format); since 0.7.0
wallet.dat personal wallet (BDB) with keys and transactions; moved to wallets/ directory on new installs since 0.16.0
wallets/database/* BDB database environment; used for wallets since 0.16.0
wallets/db.log wallet database log file; since 0.16.0
wallets/wallet.dat personal wallet (BDB) with keys and transactions; since 0.16.0
.cookie session RPC authentication cookie (written at start when cookie authentication is used, deleted on shutdown): since 0.12.0
onion_private_key cached Tor hidden service private key for -listenonion: since 0.12.0
guisettings.ini.bak backup of former GUI settings after -resetguisettings is used

Only used in pre-0.8.0

  • blktree/; block chain index (LevelDB); since pre-0.8, replaced by blocks/index/ in 0.8.0
  • coins/; unspent transaction output database (LevelDB); since pre-0.8, replaced by chainstate/ in 0.8.0

Only used before 0.8.0

  • blkindex.dat: block chain index database (BDB); replaced by {chainstate/,blocks/index/,blocks/rev000??.dat} in 0.8.0
  • blk000?.dat: block data (custom, 2 GiB per file); replaced by blocks/blk000??.dat in 0.8.0

Only used before 0.7.0

  • addr.dat: peer IP address database (BDB); replaced by peers.dat in 0.7.0