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Json rpc - Is calling the bitcoind RPC multi-thread safe . Bitcoind rpc threads

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From Bitcoin Wiki

bitcoind is a program that implements the Bitcoin protocol for remote procedure call (RPC) use. It is also the second Bitcoin client in the network's history. It is available under the MIT license in 32-bit and 64-bit versions for Windows, GNU/Linux-based OSes, and Mac OS X.

As part of Bitcoin Core, bitcoind has been bundled with the original client from version 0.2.6 to 0.4.9, and with Bitcoin-Qt since 0.5.0.

Running

See running bitcoind for more detail and an example of the configuration file.

Bitcoind is a headless daemon, and also bundles a testing tool for the same daemon. It provides a JSON-RPC interface, allowing it to be controlled locally or remotely which makes it useful for integration with other software or in larger payment systems. Various commands are made available by the API.

To use locally, first start the program in daemon mode:

bitcoind -daemon


Then you can execute API commands, e.g.:

bitcoin-cli getinfo
bitcoin-cli listtransactions


To stop the bitcoin daemon, execute:

bitcoin-cli stop

History of official bitcoind (and predecessor) releases

Version Date Supported platforms Reference
0.15.1 2017-Nov-11 Windows32/64, Linux, ARM Linux, MacOS X [1]
0.15.0.1 2017-Sep-19 Windows32/64, Linux, ARM Linux, MacOS X [2]
0.15.0 2017-Sep-14 Windows32/64, Linux, ARM Linux, MacOS X [3]
0.14.2 2017-Jun-17 Windows32/64, Linux, ARM Linux, MacOS X [4]
0.14.1 2017-Apr-22 Windows32/64, Linux, ARM Linux, MacOS X [5]
0.14.0 2017-Mar-08 Windows32/64, Linux, ARM Linux, MacOS X [6]
0.13.2 2017-Jan-03 Windows32/64, Linux, ARM Linux, MacOS X [7]
0.13.1 2016-Oct-16 Windows32/64, Linux, ARM Linux, MacOS X [8]
0.13.0 2016-Aug-23 Windows32/64, Linux, ARM Linux, MacOS X [9]
0.12.1 2016-Apr-15 Windows32/64, Linux, MacOS X [10]
0.12.0 2016-Feb-23 Windows32/64, Linux, MacOS X [11]
0.11.2 2015-Nov-13 Windows32/64, Linux, MacOS X [12]
0.11.1 2015-Oct-15 Windows32/64, Linux, MacOS X [13]
0.10.3 2015-Oct-14 Windows32/64, Linux, MacOS X [14]
0.11.0 2015-Jul-12 Windows32/64, Linux, MacOS X [15]
0.10.2 2015-May-19 Windows32/64, Linux, MacOS X [16]
0.10.1 2015-Apr-27 Windows32/64, Linux, MacOS X [17]
0.10.0 2015-Feb-16 Windows32/64, Linux, MacOS X [18]
0.9.3 2014-Sep-27 Windows32/64, Linux, MacOS X [19]
0.9.2.1 2014-Jun-19 Windows32/64, Linux, MacOS X [20]
0.9.2 2014-Jun-16 Windows32/64, Linux, MacOS X [21]
0.9.1 2014-Apr-8 Windows32/64, Linux, MacOS X [22]
0.9.0 2014-Mar-19 Windows32/64, Linux, MacOS X [23]
0.8.6 2013-Dec-9 Windows32, Linux, MacOS X [24]
0.8.5 2013-Sep-13 Windows32, Linux, MacOS X [25]
0.8.4 2013-Sep-3 Windows32, Linux, MacOS X [26]
0.8.3 2013-Jun-25 Windows32, Linux, MacOS X [27]
0.8.2 2013-May-29 Windows32, Linux, MacOS X [28]
0.8.1 2013-Mar-18 Windows32, Linux, MacOS X [29]
0.8.0 2013-Feb-19 Windows32, Linux, MacOS X [30]
0.7.2 2012-Dec-14 Windows32, Linux, MacOS X [31]
0.5.7 2012-Nov-23
0.7.1 2012-Oct-19 Windows32, Linux, MacOS X [32]
0.7.0 2012-Sep-17 Windows32, Linux, MacOS X [33]
0.5.6 2012-Jul-22 Windows32, Linux, MacOS X
0.4.7 2012-Jul-22 Windows32
0.6.0.9 2012-Jul-08
0.6.3 2012-Jun-25 Windows32, Linux, MacOS X [34]
0.6.2 2012-May-08 Windows32, Linux, MacOS X [35]
0.6.1 2012-May-04 Windows32, Linux, MacOS X
0.6.0.7 2012-May-04
0.5.5 2012-May-04 Windows32 [36]
0.4.6 2012-May-04 Windows32 [37]
0.5.4 2012-Apr-15 Windows32, Linux [38]
0.4.5 2012-Apr-15
0.6.0 2012-Mar-30 Windows32, Linux, MacOS X [39]
0.5.3.1 2012-Mar-17 Windows32 [40]
0.5.3 2012-Mar-14 Windows32, Linux, MacOS X [41]
0.4.4 2012-Mar-14 Windows32 [42]
0.5.2 2012-Jan-09 Windows32, Linux, MacOS X [43]
0.4.3 2012-Jan-09 Windows32, Linux [44]
0.5.1 2011-Dec-15 Windows32, Linux, MacOS X [45]
0.4.2 2011-Dec-12
0.5.0 2011-Nov-21 Windows32, Linux, MacOS X [46]
0.4.1 2011-Nov-21 Windows32, Linux, MacOS X [47]
0.4.0 2011-Sep-23 Windows32, Linux, MacOS X [48]
0.3.24 2011-Jul-08 Windows32, Linux, MacOS X [49]
0.3.23 2011-Jun-13 Windows32, Linux, MacOS X [50]
0.3.22 2011-Jun-05 Windows32, Linux, MacOS X [51]
0.3.21 2011-Apr-27 Windows32, Linux, MacOS X [52]
0.3.20 2011-Feb-21 Windows32, Linux, MacOS X [53]
0.3.19 2010-12-12 Windows32, Linux, MacOS X [54]
0.3.18 2010-12-08 Windows32, Linux, MacOS X [55]
0.3.17 2010-11-25 Windows32, Linux, MacOS X [56]
0.3.15 2010-11-13 Windows32, Linux [57]
0.3.14 2010-10-21 Windows32, Linux [58]
0.3.13 2010-10-01 Windows32, Linux, MacOS X [59]
0.3.12 2010-09-07 Windows32, Linux [60]
0.3.11 2010-08-27 Windows32, Linux, MacOS X [61]
0.3.10 2010-08-15 Windows32, Linux32/64, MacOS X [62]
0.3.8.1 2010-08-09 Linux64 [63]
0.3.8 2010-08-03 Windows32, Linux, MacOS X [64]
0.3.7 2010-08-01 Windows32, Linux, MacOS X [65]
0.3.6 2010-07-29 Windows32, Linux, MacOS X [66]
0.3.3 2010-07-25 Windows32, Linux, MacOS X [67]
0.3.2.5 2010-07-24 Windows32, Linux [68]
0.3.2 2010-07-17 Windows32, Linux, MacOS X [69]
0.3.1 2010-07-15 Windows32, Linux [70]
0.3.0 2010-07-06 Windows32, Linux, MacOS X [71][72]
0.2.0 2009-12-17 06:52 Windows XP /Vista, Linux [73][74]
0.1.5 2009-02-04 19:46 Windows NT/2000/XP [75]
0.1.3 2009-01-12 22:48 Windows NT/2000/XP [76]
0.1.2 2009-01-11 22:32 Windows NT/2000/XP [77]
0.1.0 2009-01-09 Windows NT/2000/XP

Up to and including version 0.3.19 is the "Satoshi code". The founder retired from development with end of 2010. Here are three URLs given where you still(!) (2013-01-04) can download one of the "original Satoshi codes". So also this Bitcoin release history.

Theory of Operation

bitcoind is a multithreaded C++ program. It is designed to be portable across Windows, Mac, and Linux systems. The multithreaded aspect leads to some complexity and the use of certain code patterns to deal with concurrency that may be unfamiliar to many programmers. Also, the code is aggressive in the use of C++ constructs, so it will help to be fluent with map, multimap, set, string, vector, iostream, and templates. As is typical of a C++ program, a lot of code tends to end up in the header files so be sure to search both the .cpp and .h files when looking for a function.

The client is oriented around several major operations, which are described in separate detailed articles and summarized in the following sections.

Initialization and Startup

Upon startup, the client performs various initialization routines including starting multiple threads to handle concurrent operations.

Node Discovery

The client uses various techniques to find out about other Bitcoin nodes that are currently connected to the network.

Node Connectivity

The client initiates and maintains connections to other nodes.

Sockets and Messages

The client processes messages from other nodes and sends messages to other nodes using socket connections.

Block Exchange

Nodes advertise their inventory of blocks to each other and exchange blocks to build block chains.

Transaction Exchange

Nodes exchange and relay transactions with each other. The client associates transactions with bitcoin addresses in the local wallet.

Wallet Services

The client can create transactions using the local wallet. The client associates transactions with bitcoin addresses in the local wallet. The client provides a service for managing the local wallet.

RPC Interface

The client offers an JSON-RPC interface over HTTP over sockets to perform various operational functions and to manage the local wallet.

User Interface

Bitcoind's current user interface is the command line while it used to be based on wxWidgets. A graphical user interface is now provided by Bitcoin-qt in version 0.5+ for the reference client.

Troubleshooting

I get "Error loading blkindex.dat" when I try to run the client

blkindex.dat is part of the database that stores the local copy of the blockchain which may have become corrupted.

Open the Bitcoin data directory:

  • Windows: %APPDATA%\Bitcoin
  • Linux: ~/.bitcoin
  • Mac: ~/Library/Application Support/Bitcoin/

Make a backup of that entire folder, then delete everything EXCEPT wallet.dat. Start bitcoin again and it will download a fresh copy of the blockchain (WARNING: This will take a long time).

See Also

External Links

  • Bitcoin Core project on GitHub

References

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Fixed support for Quadriga API v2. Fixed support for Coinbase Exchange. Reset of password via web admin didn't work. Java selecting of crypto currency in cryptosettings.

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Frequently Asked Questions – Bitcoin Armory – Python-based

Usage: bitcoind [options] bitcoind [options] (command) [params] Send command to -server or bitcoind bitcoind [options] help List commands bitcoind [options] help (command) Get help for a command 

Note: Many of these options can also be stored in a bitcoin.conf configuration file.

Standard Options:
-?
List usage and command-line options
-conf=(filename)
Specify configuration file (default: bitcoin.conf)
-pid=(filename)
Specify process identifier file (default: bitcoind.pid)
-gen
Generate coins (obsolete)
-datadir=(dir)
Specify data directory
-dbcache=(n)
Set database cache size in megabytes (default: 25)
-timeout=(n)
Specify connection timeout in milliseconds (default: 5000)
-proxy=(ip:port)
Connect through socks proxy
-socks=(n)
Select the version of socks proxy to use (4-5, default: 5)
-tor=(ip:port)
Use proxy to reach tor hidden services (default: same as -proxy)
-dns
Allow DNS lookups for -addnode, -seednode and -connect
-port=(port)
Listen for connections on (default: 8333 or testnet: 18333)
-maxconnections=(n)
Maintain at most (n) connections to peers (default: 125)
-addnode=(ip)
Add a node to connect to and attempt to keep the connection open
-connect=(ip)
Connect only to the specified node(s)
-seednode=(ip)
Connect to a node to retrieve peer addresses, and disconnect
-externalip=(ip)
Specify your own public address
-onlynet=(net)
Only connect to nodes in network (net) (IPv4, IPv6 or Tor)
-discover
Discover own IP address (default: 1 when listening and no -externalip)
-irc
Find peers using internet relay chat (default: 0) (removed in latest versions)
-checkpoints
Only accept block chain matching built-in checkpoints (default: 1)
-listen
Accept connections from outside (default: 1 if no -proxy or -connect)
-bind=(addr)
Bind to given address and always listen on it. Use [host]:port notation for IPv6
-dnsseed
Find peers using DNS lookup (default: 1 unless -connect)
-banscore=(n)
Threshold for disconnecting misbehaving peers (default: 100)
-bantime=(n)
Number of seconds to keep misbehaving peers from reconnecting (default: 86400)
-maxreceivebuffer=(n)
Maximum per-connection receive buffer, (n)*1000 bytes (default: 5000)
-maxsendbuffer=(n)
Maximum per-connection send buffer, (n)*1000 bytes (default: 1000)
-upnp
Use UPnP to map the listening port (default: 0)
-paytxfee=(amount)
Fee per KB to add to transactions you send
-server
Accept command line and JSON-RPC commands
-testnet
Use the test network
-debug
Output extra debugging information. Implies all other -debug* options
-debugnet
Output extra network debugging information
-logtimestamps
Prepend debug output with timestamp
-shrinkdebugfile
Shrink debug.log file on client startup (default: 1 when no -debug)
-printtoconsole
Send trace/debug info to console instead of debug.log file
-printtodebugger
Send trace/debug info to debugger
-rpcuser=(user)
Username for JSON-RPC connections
-rpcpassword=(password)
Password for JSON-RPC connections
-rpcport=(port)
Listen for JSON-RPC connections on (port) (default: 8332 or testnet: 18332)
-rpcallowip=(IP)
Allow JSON-RPC connections from specified IP address
-rpcthreads=(n)
Set the number of threads to service RPC calls (default: 4)
-rpcconnect=(IP)
Send commands to node running on (IP) (default: 127.0.0.1) (removed)
-blocknotify=(cmd)
Execute command when the best block changes (%s in (cmd) is replaced by block hash)
-walletnotify=(cmd)
Execute command when a wallet transaction changes (%s in cmd is replaced by TxID)
-alertnotify=(cmd)
Execute command when a relevant alert is received (%s in cmd is replaced by message)
-upgradewallet
Upgrade wallet to latest format
-keypool=(n)
Set key pool size to (n) (default: 100)
-rescan
Rescan the block chain for missing wallet transactions
-salvagewallet
Attempt to recover private keys from a corrupt wallet.dat
-checkblocks=(n)
How many blocks to check at startup (default: 288, 0 = all)
-checklevel=(n)
How thorough the block verification is (0-4, default: 3)
-txindex
Maintain a full transaction index (default: 0)
-loadblock=(filename)
Imports blocks from external blk000??.dat formatted files
-reindex
Rebuild blockchain index from current blk000??.dat files
-par=(n)
Set the number of script verification threads (1-16, 0=auto, default: 0)

Block creation options:

-blockminsize=(n)
Set minimum block size in bytes (default: 0)
-blockmaxsize=(n)
Set maximum block size in bytes (default: 250000)
-blockprioritysize=(n)
Set maximum size of high-priority/low-fee transactions in bytes (default: 27000)

SSL options:

(See the Bitcoin Wiki for SSL setup instructions)

-rpcssl
Use OpenSSL (https) for JSON-RPC connections
-rpcsslcertificatechainfile=(file .cert)
Server certificate file (default: server.cert)
-rpcsslprivatekeyfile=(file .pem)
Server private key (default: server.pem)
-rpcsslciphers=(ciphers)
Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)

User interface options:

-lang=(lang)
Set language, for example “de_DE” (default: system locale)
-min=(lang)
Start minimized
-splash=0
Disable splash screen on startup (default: 1)
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JSON RPC library unable to connect to bitcoind .

Provided by: bitcoind_0.3.24~dfsg-1_i386
 bitcoin.conf - bitcoin configuration file 
 All command-line options (except for '-datadir' and '-conf') may be specified in a configuration file, and all configuration file options may also be specified on the command line. Command-line options override values set in the configuration file. The configuration file is a list of 'setting=value' pairs, one per line, with optional comments starting with the '#' character. The configuration file is not automatically created; you can create it using your favorite plain-text editor. By default, bitcoind(1) will look for a file named bitcoin.conf(5) in the bitcoin data directory, but both the data directory and the configuration file path may be changed using the '-datadir' and '-conf' command-line arguments. 
 bitcoin.conf should be located in $HOME/.bitcoin 
 testnet=['1'|'0'] Enable or disable run on the test network instead of the real *bitcoin* network. proxy='127.0.0.1:9050' Connect via a socks4 proxy. addnode='10.0.0.2:8333' Use as many *addnode=* settings as you like to connect to specific peers. connect='10.0.0.1:8333' Use as many *connect=* settings as you like to connect ONLY to specific peers. noirc=['1'|'0'] Use or Do not use Internet Relay Chat (irc.lfnet.org #bitcoin channel) to find other peers. maxconnections='value' Maximum number of inbound+outbound connections. 
 server=['1'|'0'] Tells *bitcoin* to accept or not accept JSON-RPC commands. rpcuser='username' You must set *rpcuser* to secure the JSON-RPC api. rpcpassword='password' You must set *rpcpassword* to secure the JSON-RPC api. rpctimeout='30' How many seconds *bitcoin* will wait for a complete RPC HTTP request, after the HTTP connection is established. rpcallowip='192.168.1.*' By default, only RPC connections from localhost are allowed. Specify as many *rpcallowip=* settings as you like to allow connections from other hosts (and you may use * as a wildcard character). rpcport='8332' Listen for RPC connections on this TCP port. rpcconnect='127.0.0.1' You can use *bitcoin* or *bitcoind(1)* to send commands to *bitcoin*/*bitcoind(1)* running on another host using this option. rpcssl='1' Use Secure Sockets Layer (also known as TLS or HTTPS) to communicate with *bitcoin* '-server' or *bitcoind(1)*. Example of OpenSSL settings used when *rpcssl*='1': rpcsslciphers='TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH' rpcsslcertificatechainfile='server.cert' rpcsslprivatekeyfile='server.pem' MISCELLANEOUS OPTIONS gen=['0'|'1'] Enable or disable attempt to generate bitcoins. 4way=['0'|'1'] Enable or disable use SSE instructions to try to generate bitcoins faster. keypool='100' Pre-generate this many public/private key pairs, so wallet backups will be valid for both prior transactions and several dozen future transactions. paytxfee='0.00' Pay an optional transaction fee every time you send bitcoins. Transactions with fees are more likely than free transactions to be included in generated blocks, so may be validated sooner. allowreceivebyip='1' Allow direct connections for the 'pay via IP address' feature. USER INTERFACE OPTIONS min=['0'|'1'] Enable or disable start bitcoind minimized. minimizetotray=['0'|'1'] Enable or disable minimize to the system tray. 
 bitcoind(1) 
 This manual page was written by Micah Anderson  for the Debian system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 3 or any later version published by the Free Software Foundation. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.
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Bitcoind rpc connectivity isis - ccp.d2ev.in

Provided by: bitcoind_0.3.24~dfsg-1_i386
 bitcoind - peer-to-peer network based anonymous digital currency 
 bitcoin [options]  [params] bitcoin [options] help  - Get help for a command 
 This manual page documents the bitcoind program. Bitcoin is a peer-to- peer digital currency. Peer-to-peer (P2P) means that there is no central authority to issue new money or keep track of transactions. Instead, these tasks are managed collectively by the nodes of the network. Advantages: Bitcoins can be sent easily through the Internet, without having to trust middlemen. Transactions are designed to be irreversible. Be safe from instability caused by fractional reserve banking and central banks. The limited inflation of the Bitcoin system’s money supply is distributed evenly (by CPU power) throughout the network, not monopolized by banks. 
 -conf= Specify configuration file (default: bitcoin.conf) -gen Generate coins -gen=0 Don't generate coins -min Start minimized -datadir= Specify data directory -proxy= Connect through socks4 proxy -addnode= Add a node to connect to -connect= Connect only to the specified node -paytxfee= Fee per KB to add to transactions you send -server Accept command line and JSON-RPC commands -daemon Run in the background as a daemon and accept commands -testnet Use the test network -rpcuser= Username for JSON-RPC connections -rpcpassword= Password for JSON-RPC connections -rpcport= Listen for JSON-RPC connections on  -rpcallowip= Allow JSON-RPC connections from specified IP address -rpcconnect= Send commands to node running on  SSL options: (see the Bitcoin Wiki for SSL setup instructions) -rpcssl=1 Use OpenSSL (https) for JSON-RPC connections -rpcsslcertificatchainfile= Server certificate file (default: server.cert) -rpcsslprivatekeyfile= Server private key (default: server.pem) -rpcsslciphers= Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH) -? This help message 
 backupwallet 'destination' Safely copies *wallet.dat* to 'destination', which can be a directory or a path with filename. getaccount 'bitcoinaddress' Returns the account associated with the given address. setaccount 'bitcoinaddress' ['account'] Sets the ['account'] associated with the given address. ['account'] may be omitted to remove an address from ['account']. getaccountaddress 'account' Returns a new bitcoin address for 'account'. getaddressesbyaccount 'account' Returns the list of addresses associated with the given 'account'. getbalance 'account' Returns the server's available balance, or the balance for 'account'. getblockcount Returns the number of blocks in the longest block chain. getblocknumber Returns the block number of the latest block in the longest block chain. getconnectioncount Returns the number of connections to other nodes. getdifficulty Returns the proof-of-work difficulty as a multiple of the minimum difficulty. getgenerate Returns boolean true if server is trying to generate bitcoins, false otherwise. setgenerate 'generate' ['genproclimit'] Generation is limited to ['genproclimit'] processors, -1 is unlimited. gethashespersec Returns a recent hashes per second performance measurement while generating. getinfo Returns an object containing server information. getnewaddress 'account' Returns a new bitcoin address for receiving payments. If 'account' is specified (recommended), it is added to the address book so payments received with the address will be credited to 'account'. getreceivedbyaccount 'account' ['minconf=1'] Returns the total amount received by addresses associated with 'account' in transactions with at least ['minconf'] confirmations. getreceivedbyaddress 'bitcoinaddress' ['minconf=1'] Returns the total amount received by 'bitcoinaddress' in transactions with at least ['minconf'] confirmations. gettransaction 'txid' Returns information about a specific transaction, given hexadecimal transaction ID. getwork 'data' If 'data' is specified, tries to solve the block and returns true if it was successful. If 'data' is not specified, returns formatted hash 'data' to work on: "midstate" : precomputed hash state after hashing the first half of the data. "data" : block data. "hash1" : formatted hash buffer for second hash. "target" : little endian hash target. help 'command' List commands, or get help for a command. listaccounts ['minconf=1'] List accounts and their current balances. *note: requires bitcoin 0.3.20 or later. listreceivedbyaccount ['minconf=1'] ['includeempty=false'] ['minconf'] is the minimum number of confirmations before payments are included. ['includeempty'] whether to include addresses that haven't received any payments. Returns an array of objects containing: "account" : the account of the receiving address. "amount" : total amount received by the address. "confirmations" : number of confirmations of the most recent transaction included. listreceivedbyaddress ['minconf=1'] ['includeempty=false'] ['minconf'] is the minimum number of confirmations before payments are included. ['includeempty'] whether to include addresses that haven't received any payments. Returns an array of objects containing: "address" : receiving address. "account" : the account of the receiving address. "amount" : total amount received by the address. "confirmations" : number of confirmations of the most recent transaction included. listtransactions 'account' ['count=10'] Returns a list of the last ['count'] transactions for 'account' - for all accounts if 'account' is not specified or is "*". Each entry in the list may contain: "category" : will be generate, send, receive, or move. "amount" : amount of transaction. "fee" : Fee (if any) paid (only for send transactions). "confirmations" : number of confirmations (only for generate/send/receive). "txid" : transaction ID (only for generate/send/receive). "otheraccount" : account funds were moved to or from (only for move). "message" : message associated with transaction (only for send). "to" : message-to associated with transaction (only for send). *note: requires bitcoin 0.3.20 or later. move <'fromaccount'> <'toaccount'> <'amount'> ['minconf=1'] ['comment'] Moves funds between accounts. sendfrom* <'account'> <'bitcoinaddress'> <'amount'> ['minconf=1'] ['comment'] ['comment-to'] Sends amount from account's balance to 'bitcoinaddress'. This method will fail if there is less than amount bitcoins with ['minconf'] confirmations in the account's balance (unless account is the empty-string-named default account; it behaves like the *sendtoaddress* method). Returns transaction ID on success. sendtoaddress 'bitcoinaddress' 'amount' ['comment'] ['comment-to'] Sends amount from the server's available balance to 'bitcoinaddress'. amount is a real and is rounded to the nearest 0.01. Returns transaction id on success. stop Stops the bitcoin server. validateaddress 'bitcoinaddress' Checks that 'bitcoinaddress' looks like a proper bitcoin address. Returns an object containing: "isvalid" : true or false. "ismine" : true if the address is in the server's wallet. "address" : bitcoinaddress. *note: ismine and address are only returned if the address is valid. 
 bitcoin.conf(5) 
 This manual page was written by Micah Anderson  for the Debian system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 3 or any later version published by the Free Software Foundation. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.
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