dashd
Dash Core daemon
Usage
Start Dash Core Daemon
dashd [options]
Debug Options
The following sections show all available options including debug options that are not normally displayed. To see only regular options, run
dashd --help.
Options:
-?
Print this help message and exit
-alertnotify=<cmd>
Execute command when a relevant alert is received or we see a really
long fork (%s in cmd is replaced by message)
-assumevalid=<hex>
If this block is in the chain assume that it and its ancestors are valid
and potentially skip their script verification (0 to verify all,
default:
00000000000000022f355c52417fca9b73306958f7c0832b3a7bce006ca369ef,
testnet:
000008b78b6aef3fd05ab78db8b76c02163e885305545144420cb08704dce538)
-blocksdir=<dir>
Specify blocks directory (default: <datadir>/blocks)
-blocknotify=<cmd>
Execute command when the best block changes (%s in cmd is replaced by
block hash)
-blockreconstructionextratxn=<n>
Extra transactions to keep in memory for compact block reconstructions
(default: 100)
-blocksonly
Whether to operate in a blocks only mode (default: 0)
-conf=<file>
Specify configuration file. Relative paths will be prefixed by datadir
location. (default: dash.conf)
-daemon
Run in the background as a daemon and accept commands
-datadir=<dir>
Specify data directory
-dbbatchsize
Maximum database write batch size in bytes (default: 16777216)
-dbcache=<n>
Set database cache size in megabytes (4 to 16384, default: 300)
-debuglogfile=<file>
Specify location of debug log file. Relative paths will be prefixed by a
net-specific datadir location. (0 to disable; default: debug.log)
-loadblock=<file>
Imports blocks from external blk000??.dat file on startup
-maxmempool=<n>
Keep the transaction memory pool below <n> megabytes (default: 300)
-maxorphantxsize=<n>
Maximum total size of all orphan transactions in megabytes (default: 10)
-maxrecsigsage=<n>
Number of seconds to keep LLMQ recovery sigs (default: 604800)
-mempoolexpiry=<n>
Do not keep transactions in the mempool longer than <n> hours (default:
336)
-minimumchainwork=<hex>
Minimum work assumed to exist on a valid chain in hex (default:
0000000000000000000000000000000000000000000044f363f417890207722e,
testnet:
000000000000000000000000000000000000000000000000022f13324cfe06a3)
-par=<n>
Set the number of script verification threads (-8 to 16, 0 = auto, <0 =
leave that many cores free, default: 0)
-persistmempool
Whether to save the mempool on shutdown and load on restart (default: 1)
-pid=<file>
Specify pid file. Relative paths will be prefixed by a net-specific
datadir location. (default: dashd.pid)
-prune=<n>
Reduce storage requirements by enabling pruning (deleting) of old
blocks. This allows the pruneblockchain RPC to be called to
delete specific blocks, and enables automatic pruning of old
blocks if a target size in MiB is provided. This mode is
incompatible with -txindex, -rescan and -disablegovernance=false.
Warning: Reverting this setting requires re-downloading the
entire blockchain. (default: 0 = disable pruning blocks, 1 =
allow manual pruning via RPC, >=945 = automatically prune block
files to stay under the specified target size in MiB)
-syncmempool
Sync mempool from other nodes on start (default: 1)
-sysperms
Create new files with system default permissions, instead of umask 077
(only effective with disabled wallet functionality)
-version
Print version and exit
Indexing options:
-addressindex
Maintain a full address index, used to query for the balance, txids and
unspent outputs for addresses (default: 0)
-reindex
Rebuild chain state and block index from the blk*.dat files on disk
-reindex-chainstate
Rebuild chain state from the currently indexed blocks
-spentindex
Maintain a full spent index, used to query the spending txid and input
index for an outpoint (default: 0)
-timestampindex
Maintain a timestamp index for block hashes, used to query blocks hashes
by a range of timestamps (default: 0)
-txindex
Maintain a full transaction index, used by the getrawtransaction rpc
call (default: 1)
Connection options:
-addnode=<ip>
Add a node to connect to and attempt to keep the connection open (see
the `addnode` RPC command help for more info). This option can be
specified multiple times to add multiple nodes.
-allowprivatenet
Allow RFC1918 addresses to be relayed and connected to (default: 0)
-banscore=<n>
Threshold for disconnecting misbehaving peers (default: 100)
-bantime=<n>
Number of seconds to keep misbehaving peers from reconnecting (default:
86400)
-bind=<addr>
Bind to given address and always listen on it. Use [host]:port notation
for IPv6
-connect=<ip>
Connect only to the specified node; -connect=0 disables automatic
connections (the rules for this peer are the same as for
-addnode). This option can be specified multiple times to connect
to multiple nodes.
-discover
Discover own IP addresses (default: 1 when listening and no -externalip
or -proxy)
-dns
Allow DNS lookups for -addnode, -seednode and -connect (default: 1)
-dnsseed
Query for peer addresses via DNS lookup, if low on addresses (default: 1
unless -connect used)
-enablebip61
Send reject messages per BIP61 (default: 1)
-externalip=<ip>
Specify your own public address
-forcednsseed
Always query for peer addresses via DNS lookup (default: 0)
-listen
Accept connections from outside (default: 1 if no -proxy or -connect)
-listenonion
Automatically create Tor hidden service (default: 1)
-maxconnections=<n>
Maintain at most <n> connections to peers (temporary service connections
excluded) (default: 125)
-maxreceivebuffer=<n>
Maximum per-connection receive buffer, <n>*1000 bytes (default: 5000)
-maxsendbuffer=<n>
Maximum per-connection send buffer, <n>*1000 bytes (default: 1000)
-maxtimeadjustment
Maximum allowed median peer time offset adjustment. Local perspective of
time may be influenced by peers forward or backward by this
amount. (default: 4200 seconds)
-maxuploadtarget=<n>
Tries to keep outbound traffic under the given target (in MiB per 24h),
0 = no limit (default: 0)
-onion=<ip:port>
Use separate SOCKS5 proxy to reach peers via Tor hidden services
(default: -proxy)
-onlynet=<net>
Make outgoing connections only through network <net> (ipv4, ipv6 or
onion). Incoming connections are not affected by this option.
This option can be specified multiple times to allow multiple
networks.
-peerbloomfilters
Support filtering of blocks and transaction with bloom filters (default:
1)
-peertimeout=<n>
Specify p2p connection timeout in seconds. This option determines the
amount of time a peer may be inactive before the connection to it
is dropped. (minimum: 1, default: 60)
-permitbaremultisig
Relay non-P2SH multisig (default: 1)
-port=<port>
Listen for connections on <port> (default: 9999 or testnet: 19999)
-proxy=<ip:port>
Connect through SOCKS5 proxy
-proxyrandomize
Randomize credentials for every proxy connection. This enables Tor
stream isolation (default: 1)
-seednode=<ip>
Connect to a node to retrieve peer addresses, and disconnect. This
option can be specified multiple times to connect to multiple
nodes.
-socketevents=<mode>
Socket events mode, which must be one of 'select', 'poll', 'epoll' or
'kqueue', depending on your system (default: Linux - 'epoll',
FreeBSD/Apple - 'kqueue', Windows - 'select')
-timeout=<n>
Specify connection timeout in milliseconds (minimum: 1, default: 5000)
-torcontrol=<ip>:<port>
Tor control port to use if onion listening enabled (default:
127.0.0.1:9051)
-torpassword=<pass>
Tor control port password (default: empty)
-upnp
Use UPnP to map the listening port (default: 0)
-whitebind=<addr>
Bind to given address and whitelist peers connecting to it. Use
[host]:port notation for IPv6
-whitelist=<IP address or network>
Whitelist peers connecting from the given IP address (e.g. 1.2.3.4) or
CIDR notated network (e.g. 1.2.3.0/24). Can be specified multiple
times. Whitelisted peers cannot be DoS banned and their
transactions are always relayed, even if they are already in the
mempool, useful e.g. for a gateway
Wallet options:
-createwalletbackups=<n>
Number of automatic wallet backups (default: 10)
-disablewallet
Do not load the wallet and disable wallet RPC calls
-instantsendnotify=<cmd>
Execute command when a wallet InstantSend transaction is successfully
locked (%s in cmd is replaced by TxID)
-keypool=<n>
Set key pool size to <n> (default: 1000)
-rescan=<mode>
Rescan the block chain for missing wallet transactions on startup (1 =
start from wallet creation time, 2 = start from genesis block)
-salvagewallet
Attempt to recover private keys from a corrupt wallet on startup
-spendzeroconfchange
Spend unconfirmed change when sending transactions (default: 1)
-upgradewallet
Upgrade wallet to latest format on startup
-wallet=<path>
Specify wallet database path. Can be specified multiple times to load
multiple wallets. Path is interpreted relative to <walletdir> if
it is not absolute, and will be created if it does not exist (as
a directory containing a wallet.dat file and log files). For
backwards compatibility this will also accept names of existing
data files in <walletdir>.)
-walletbroadcast
Make the wallet broadcast transactions (default: 1)
-walletdir=<dir>
Specify directory to hold wallets (default: <datadir>/wallets if it
exists, otherwise <datadir>)
-walletnotify=<cmd>
Execute command when a wallet transaction changes (%s in cmd is replaced
by TxID)
-zapwallettxes=<mode>
Delete all wallet transactions and only recover those parts of the
blockchain through -rescan on startup (1 = keep tx meta data e.g.
account owner and payment request information, 2 = drop tx meta
data)
-walletbackupsdir=<dir>
Specify full path to directory for automatic wallet backups (must exist)
Wallet fee options:
-discardfee=<amt>
The fee rate (in DASH/kB) that indicates your tolerance for discarding
change by adding it to the fee (default: 0.0001). Note: An output
is discarded if it is dust at this rate, but we will always
discard up to the dust relay fee and a discard fee above that is
limited by the fee estimate for the longest target
-fallbackfee=<amt>
A fee rate (in DASH/kB) that will be used when fee estimation has
insufficient data (default: 0.00001)
-mintxfee=<amt>
Fees (in DASH/kB) smaller than this are considered zero fee for
transaction creation (default: 0.00001)
-paytxfee=<amt>
Fee (in DASH/kB) to add to transactions you send (default: 0.00)
-txconfirmtarget=<n>
If paytxfee is not set, include enough fee so transactions begin
confirmation on average within n blocks (default: 6)
HD wallet options:
-hdseed=<hex>
User defined seed for HD wallet (should be in hex). Only has effect
during wallet creation/first start (default: randomly generated)
-mnemonic=<text>
User defined mnemonic for HD wallet (bip39). Only has effect during
wallet creation/first start (default: randomly generated)
-mnemonicpassphrase=<text>
User defined mnemonic passphrase for HD wallet (BIP39). Only has effect
during wallet creation/first start (default: empty string)
-usehd
Use hierarchical deterministic key generation (HD) after BIP39/BIP44.
Only has effect during wallet creation/first start (default: 0)
KeePass options:
-keepass
Use KeePass 2 integration using KeePassHttp plugin (default: 0)
-keepassid=<id>
KeePassHttp id for the established association
-keepassname=<name>
Name to construct url for KeePass entry that stores the wallet
passphrase
-keepassport=<port>
Connect to KeePassHttp on port <port> (default: 19455)
-keepasskey=<key>
KeePassHttp key for AES encrypted communication with KeePass
CoinJoin options:
-coinjoinamount=<n>
Target CoinJoin balance (2-21000000, default: 1000)
-coinjoinautostart
Start CoinJoin automatically (0-1, default: 0)
-coinjoindenomsgoal=<n>
Try to create at least N inputs of each denominated amount (10-100000,
default: 50)
-coinjoindenomshardcap=<n>
Create up to N inputs of each denominated amount (10-100000, default:
300)
-coinjoinmultisession
Enable multiple CoinJoin mixing sessions per block, experimental
(0-1, default: 0)
-coinjoinrounds=<n>
Use N separate masternodes for each denominated input to mix funds
(2-16, default: 4)
-coinjoinsessions=<n>
Use N separate masternodes in parallel to mix funds (1-10, default: 4)
-enablecoinjoin
Enable use of CoinJoin for funds stored in this wallet (0-1, default: 0)
ZeroMQ notification options:
-zmqpubhashblock=<address>
Enable publish hash block in <address>
-zmqpubhashgovernanceobject=<address>
Enable publish hash of governance objects (like proposals) in <address>
-zmqpubhashgovernancevote=<address>
Enable publish hash of governance votes in <address>
-zmqpubhashinstantsenddoublespend=<address>
Enable publish transaction hashes of attempted InstantSend double spend
in <address>
-zmqpubhashrecoveredsig=<address>
Enable publish message hash of recovered signatures (recovered by LLMQs)
in <address>
-zmqpubhashtx=<address>
Enable publish hash transaction in <address>
-zmqpubhashtxlock=<address>
Enable publish hash transaction (locked via InstantSend) in <address>
-zmqpubrawblock=<address>
Enable publish raw block in <address>
-zmqpubrawinstantsenddoublespend=<address>
Enable publish raw transactions of attempted InstantSend double spend in
<address>
-zmqpubrawrecoveredsig=<address>
Enable publish raw recovered signatures (recovered by LLMQs) in
<address>
-zmqpubrawtx=<address>
Enable publish raw transaction in <address>
-zmqpubrawtxlock=<address>
Enable publish raw transaction (locked via InstantSend) in <address>
Debugging/Testing options:
-checkblockindex
Do a full consistency check for mapBlockIndex, setBlockIndexCandidates,
chainActive and mapBlocksUnlinked occasionally. (default: 0)
-checkblocks=<n>
How many blocks to check at startup (default: 6, 0 = all)
-checklevel=<n>
How thorough the block verification of -checkblocks is (0-4, default: 3)
-checkmempool=<n>
Run checks every <n> transactions (default: 0)
-checkpoints
Disable expensive verification for known chain history (default: 1)
-deprecatedrpc=<method>
Allows deprecated RPC method(s) to be used
-dropmessagestest=<n>
Randomly drop 1 of every <n> network messages
-limitancestorcount=<n>
Do not accept transactions if number of in-mempool ancestors is <n> or
more (default: 25)
-limitancestorsize=<n>
Do not accept transactions whose size with all in-mempool ancestors
exceeds <n> kilobytes (default: 101)
-limitdescendantcount=<n>
Do not accept transactions if any ancestor would have <n> or more
in-mempool descendants (default: 25)
-limitdescendantsize=<n>
Do not accept transactions if any ancestor would have more than <n>
kilobytes of in-mempool descendants (default: 101).
-stopafterblockimport
Stop running after importing blocks from disk (default: 0)
-stopatheight
Stop running after reaching the given height in the main chain (default:
0)
-vbparams=<deployment>:<start>:<end>(:<window>:<threshold>)
Use given start/end times for specified version bits deployment
(regtest-only). Specifying window and threshold is optional.
-watchquorums=<n>
Watch and validate quorum communication (default: 0)
-addrmantest
Allows to test address relay on localhost
-debug=<category>
Output debugging information (default: 0, supplying <category> is
optional). If <category> is not supplied or if <category> = 1,
output all debugging information. <category> can be: net, tor,
mempool, http, bench, zmq, db, rpc, estimatefee, addrman,
selectcoins, reindex, cmpctblock, rand, prune, proxy, mempoolrej,
libevent, coindb, qt, leveldb, chainlocks, gobject, instantsend,
keepass, llmq, llmq-dkg, llmq-sigs, mnpayments, mnsync,
privatesend, spork, netconn.
-debugexclude=<category>
Exclude debugging information for a category. Can be used in conjunction
with -debug=1 to output debug logs for all categories except one
or more specified categories.
-disablegovernance
Disable governance validation (0-1, default: 0)
-help-debug
Show all debugging options (usage: --help -help-debug)
-logips
Include IP addresses in debug output (default: 0)
-logthreadnames
Add thread names to debug messages (default: 0)
-logtimemicros
Add microsecond precision to debug timestamps (default: 0)
-maxsigcachesize=<n>
Limit sum of signature cache and script execution cache sizes to <n> MiB
(default: 32)
-maxtipage=<n>
Maximum tip age in seconds to consider node in initial block download
(default: 21600)
-mocktime=<n>
Replace actual time with <n> seconds since epoch (default: 0)
-logtimestamps
Prepend debug output with timestamp (default: 1)
-maxtxfee=<amt>
Maximum total fees (in DASH) to use in a single wallet transaction or
raw transaction; setting this too low may abort large
transactions (default: 0.10)
-minsporkkeys=<n>
Overrides minimum spork signers to change spork value. Only useful for
regtest and devnet. Using this on mainnet or testnet will ban
you.
-printpriority
Log transaction fee per kB when mining blocks (default: 0)
-printtoconsole
Send trace/debug info to console instead of debug.log file
-printtodebuglog
Send trace/debug info to debug.log file (default: 1)
-shrinkdebugfile
Shrink debug.log file on client startup (default: 1 when no -debug)
-sporkaddr=<dashaddress>
Override spork address. Only useful for regtest and devnet. Using this
on mainnet or testnet will ban you.
-uacomment=<cmt>
Append comment to the user agent string
Chain selection options:
-devnet=<name>
Use devnet chain with provided name
-regtest
Enter regression test mode, which uses a special chain in which blocks
can be solved instantly. This is intended for regression testing
tools and app development.
-testnet
Use the test chain
Masternode options:
-masternodeblsprivkey=<hex>
Set the masternode BLS private key and enable the client to act as a
masternode
-platform-user=<user>
Set the username for the "platform user", a restricted user intended to
be used by Dash Platform, to the specified username.
Node relay options:
-acceptnonstdtxn
Relay and mine "non-standard" transactions (testnet/regtest only;
default: 1)
-dustrelayfee=<amt>
Fee rate (in DASH/kB) used to defined dust, the value of an output such
that it will cost more than its value in fees at this fee rate to
spend it. (default: 0.00003)
-incrementalrelayfee=<amt>
Fee rate (in DASH/kB) used to define cost of relay, used for mempool
limiting and BIP 125 replacement. (default: 0.00001)
-bytespersigop
Minimum bytes per sigop in transactions we relay and mine (default: 20)
-datacarrier
Relay and mine data carrier transactions (default: 1)
-datacarriersize
Maximum size of data in data carrier transactions we relay and mine
(default: 83)
-minrelaytxfee=<amt>
Fees (in DASH/kB) smaller than this are considered zero fee for
relaying, mining and transaction creation (default: 0.00001)
-whitelistforcerelay
Force relay of transactions from whitelisted peers even if they violate
local relay policy (default: 1)
-whitelistrelay
Accept relayed transactions received from whitelisted peers even when
not relaying transactions (default: 1)
Block creation options:
-blockmaxsize=<n>
Set maximum block size in bytes (default: 2000000)
-blockmintxfee=<amt>
Set lowest fee rate (in DASH/kB) for transactions to be included in
block creation. (default: 0.00001)
-blockversion=<n>
Override block version to test forking scenarios
RPC server options:
-rest
Accept public REST requests (default: 0)
-rpcallowip=<ip>
Allow JSON-RPC connections from specified source. Valid for <ip> are a
single IP (e.g. 1.2.3.4), a network/netmask (e.g.
1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24). This
option can be specified multiple times
-rpcauth=<userpw>
Username and hashed password for JSON-RPC connections. The field
<userpw> comes in the format: <USERNAME>:<SALT>$<HASH>. A
canonical python script is included in share/rpcauth. The client
then connects normally using the
rpcuser=<USERNAME>/rpcpassword=<PASSWORD> pair of arguments. This
option can be specified multiple times
-rpcbind=<addr>[:port]
Bind to given address to listen for JSON-RPC connections. Do not expose
the RPC server to untrusted networks such as the public internet!
This option is ignored unless -rpcallowip is also passed. Port is
optional and overrides -rpcport. Use [host]:port notation for
IPv6. This option can be specified multiple times (default:
127.0.0.1 and ::1 i.e., localhost, or if -rpcallowip has been
specified, 0.0.0.0 and :: i.e., all addresses)
-rpccookiefile=<loc>
Location of the auth cookie. Relative paths will be prefixed by a
net-specific datadir location. (default: data dir)
-rpcpassword=<pw>
Password for JSON-RPC connections
-rpcport=<port>
Listen for JSON-RPC connections on <port> (default: 9998 or testnet:
19998)
-rpcservertimeout=<n>
Timeout during HTTP requests (default: 30)
-rpcworkqueue=<n>
Set the depth of the work queue to service RPC calls (default: 16)
-rpcthreads=<n>
Set the number of threads to service RPC calls (default: 4)
-rpcuser=<user>
Username for JSON-RPC connections
-server
Accept command line and JSON-RPC commands
Statsd options:
-statsenabled
Publish internal stats to statsd (default: 0)
-statshost=<ip>
Specify statsd host (default: 127.0.0.1)
-statshostname=<ip>
Specify statsd host name (default: )
-statsport=<port>
Specify statsd port (default: 8125)
-statsns=<ns>
Specify additional namespace prefix (default: )
-statsperiod=<seconds>
Specify the number of seconds between periodic measurements (default:
60)
Wallet debugging/testing options:
These options are normally hidden and will only be shown if using the help debug option:
dashd --held -help-debug
-dblogsize=<n>
Flush wallet database activity from memory to disk log every <n>
megabytes (default: 100)
-flushwallet
Run a thread to flush wallet periodically (default: 1)
-privdb
Sets the DB_PRIVATE flag in the wallet db environment (default: 1)
-walletrejectlongchains
Wallet will not create transactions that violate mempool chain limits
(default: 0)
Quorum Recovery Options
-llmq-data-recovery=<n>
Enable automated quorum data recovery (default: 1)
-llmq-qvvec-sync=<quorum_name:mode>
Defines from which LLMQ type the masternode should sync quorum
verification vectors. Can be used multiple times with different
LLMQ types. Mode: 0 (sync always from all quorums of the type
defined by "quorum_name"), 1 (sync from all quorums of the type
defined by "quorum_name" if member of any of the quorums)
Network Dependent Options
The following options can only be used for specific network types. These options are provided support development (devnet) and regression test (regtest) networks.
Devnet Options
-minimumdifficultyblocks=<number of blocks>
The number of blocks that can be mined with the minimum difficulty at the
start of the devnet
-highsubsidyblocks=<number of blocks>
The number of blocks with a higher than normal subsidy to mine at the start
of the devnet
-highsubsidyfactor=<subsidy multiplication value>
The factor to multiply the normal block subsidy by while in the
highsubsidyblocks window
-llmqchainlocks=<quorum name>
Override the default LLMQ type used for ChainLocks on the devnet.
Allows using ChainLocks with smaller LLMQs.
-llmqdevnetparams=<size:threshold>
Override the default LLMQ size for the LLMQ_DEVNET quorum
-llmqinstantsend=<quorum name>
Override the default LLMQ type used for InstantSend on the devnet.
Allows using InstantSend with smaller LLMQs.
The quorum names used in these options are:
| LLMQ Type | LLMQ Name |
|---|---|
| 1 | llmq50_60 |
| 2 | llmq400_60 |
| 3 | llmq400_85 |
| 4 | llmq100_67 |
| 100 | llmq_test |
| 101 | llmq_devnet |
Refer to this table in DIP-6 - LLMQs for details on each quorum type.
Regtest Options
-llmqtestparams=<size:threshold>
Override the default LLMQ size for the LLMQ_TEST quorum
Updated over 3 years ago