Go Language dns seeder for Bitcoin based networks
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// Copyright (c) 2015 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package main
import (
"errors"
"sort"
"strings"
"sync"
"github.com/btcsuite/btcd/btcjson"
)
// helpDescsEnUS defines the English descriptions used for the help strings.
var helpDescsEnUS = map[string]string{
// DebugLevelCmd help.
"debuglevel--synopsis": "Dynamically changes the debug logging level.\n" +
"The levelspec can either a debug level or of the form:\n" +
"<subsystem>=<level>,<subsystem2>=<level2>,...\n" +
"The valid debug levels are trace, debug, info, warn, error, and critical.\n" +
"The valid subsystems are AMGR, ADXR, BCDB, BMGR, BTCD, CHAN, DISC, PEER, RPCS, SCRP, SRVR, and TXMP.\n" +
"Finally the keyword 'show' will return a list of the available subsystems.",
"debuglevel-levelspec": "The debug level(s) to use or the keyword 'show'",
"debuglevel--condition0": "levelspec!=show",
"debuglevel--condition1": "levelspec=show",
"debuglevel--result0": "The string 'Done.'",
"debuglevel--result1": "The list of subsystems",
// AddNodeCmd help.
"addnode--synopsis": "Attempts to add or remove a persistent peer.",
"addnode-addr": "IP address and port of the peer to operate on",
"addnode-subcmd": "'add' to add a persistent peer, 'remove' to remove a persistent peer, or 'onetry' to try a single connection to a peer",
// NodeCmd help.
"node--synopsis": "Attempts to add or remove a peer.",
"node-subcmd": "'disconnect' to remove all matching non-persistent peers, 'remove' to remove a persistent peer, or 'connect' to connect to a peer",
"node-target": "Either the IP address and port of the peer to operate on, or a valid peer ID.",
"node-connectsubcmd": "'perm' to make the connected peer a permanent one, 'temp' to try a single connect to a peer",
// TransactionInput help.
"transactioninput-txid": "The hash of the input transaction",
"transactioninput-vout": "The specific output of the input transaction to redeem",
// CreateRawTransactionCmd help.
"createrawtransaction--synopsis": "Returns a new transaction spending the provided inputs and sending to the provided addresses.\n" +
"The transaction inputs are not signed in the created transaction.\n" +
"The signrawtransaction RPC command provided by wallet must be used to sign the resulting transaction.",
"createrawtransaction-inputs": "The inputs to the transaction",
"createrawtransaction-amounts": "JSON object with the destination addresses as keys and amounts as values",
"createrawtransaction-amounts--key": "address",
"createrawtransaction-amounts--value": "n.nnn",
"createrawtransaction-amounts--desc": "The destination address as the key and the amount in BTC as the value",
"createrawtransaction--result0": "Hex-encoded bytes of the serialized transaction",
// ScriptSig help.
"scriptsig-asm": "Disassembly of the script",
"scriptsig-hex": "Hex-encoded bytes of the script",
// Vin help.
"vin-coinbase": "The hex-encoded bytes of the signature script (coinbase txns only)",
"vin-txid": "The hash of the origin transaction (non-coinbase txns only)",
"vin-vout": "The index of the output being redeemed from the origin transaction (non-coinbase txns only)",
"vin-scriptSig": "The signature script used to redeem the origin transaction as a JSON object (non-coinbase txns only)",
"vin-sequence": "The script sequence number",
// ScriptPubKeyResult help.
"scriptpubkeyresult-asm": "Disassembly of the script",
"scriptpubkeyresult-hex": "Hex-encoded bytes of the script",
"scriptpubkeyresult-reqSigs": "The number of required signatures",
"scriptpubkeyresult-type": "The type of the script (e.g. 'pubkeyhash')",
"scriptpubkeyresult-addresses": "The bitcoin addresses associated with this script",
// Vout help.
"vout-value": "The amount in BTC",
"vout-n": "The index of this transaction output",
"vout-scriptPubKey": "The public key script used to pay coins as a JSON object",
// TxRawDecodeResult help.
"txrawdecoderesult-txid": "The hash of the transaction",
"txrawdecoderesult-version": "The transaction version",
"txrawdecoderesult-locktime": "The transaction lock time",
"txrawdecoderesult-vin": "The transaction inputs as JSON objects",
"txrawdecoderesult-vout": "The transaction outputs as JSON objects",
// DecodeRawTransactionCmd help.
"decoderawtransaction--synopsis": "Returns a JSON object representing the provided serialized, hex-encoded transaction.",
"decoderawtransaction-hextx": "Serialized, hex-encoded transaction",
// DecodeScriptResult help.
"decodescriptresult-asm": "Disassembly of the script",
"decodescriptresult-reqSigs": "The number of required signatures",
"decodescriptresult-type": "The type of the script (e.g. 'pubkeyhash')",
"decodescriptresult-addresses": "The bitcoin addresses associated with this script",
"decodescriptresult-p2sh": "The script hash for use in pay-to-script-hash transactions",
// DecodeScriptCmd help.
"decodescript--synopsis": "Returns a JSON object with information about the provided hex-encoded script.",
"decodescript-hexscript": "Hex-encoded script",
// GenerateCmd help
"generate--synopsis": "Generates a set number of blocks (simnet or regtest only) and returns a JSON\n" +
" array of their hashes.",
"generate-numblocks": "Number of blocks to generate",
"generate--result0": "The hashes, in order, of blocks generated by the call",
// GetAddedNodeInfoResultAddr help.
"getaddednodeinforesultaddr-address": "The ip address for this DNS entry",
"getaddednodeinforesultaddr-connected": "The connection 'direction' (inbound/outbound/false)",
// GetAddedNodeInfoResult help.
"getaddednodeinforesult-addednode": "The ip address or domain of the added peer",
"getaddednodeinforesult-connected": "Whether or not the peer is currently connected",
"getaddednodeinforesult-addresses": "DNS lookup and connection information about the peer",
// GetAddedNodeInfo help.
"getaddednodeinfo--synopsis": "Returns information about manually added (persistent) peers.",
"getaddednodeinfo-dns": "Specifies whether the returned data is a JSON object including DNS and connection information, or just a list of added peers",
"getaddednodeinfo-node": "Only return information about this specific peer instead of all added peers",
"getaddednodeinfo--condition0": "dns=false",
"getaddednodeinfo--condition1": "dns=true",
"getaddednodeinfo--result0": "List of added peers",
// GetBestBlockResult help.
"getbestblockresult-hash": "Hex-encoded bytes of the best block hash",
"getbestblockresult-height": "Height of the best block",
// GetBestBlockCmd help.
"getbestblock--synopsis": "Get block height and hash of best block in the main chain.",
"getbestblock--result0": "Get block height and hash of best block in the main chain.",
// GetBestBlockHashCmd help.
"getbestblockhash--synopsis": "Returns the hash of the of the best (most recent) block in the longest block chain.",
"getbestblockhash--result0": "The hex-encoded block hash",
// GetBlockCmd help.
"getblock--synopsis": "Returns information about a block given its hash.",
"getblock-hash": "The hash of the block",
"getblock-verbose": "Specifies the block is returned as a JSON object instead of hex-encoded string",
"getblock-verbosetx": "Specifies that each transaction is returned as a JSON object and only applies if the verbose flag is true (btcd extension)",
"getblock--condition0": "verbose=false",
"getblock--condition1": "verbose=true",
"getblock--result0": "Hex-encoded bytes of the serialized block",
// TxRawResult help.
"txrawresult-hex": "Hex-encoded transaction",
"txrawresult-txid": "The hash of the transaction",
"txrawresult-version": "The transaction version",
"txrawresult-locktime": "The transaction lock time",
"txrawresult-vin": "The transaction inputs as JSON objects",
"txrawresult-vout": "The transaction outputs as JSON objects",
"txrawresult-blockhash": "Hash of the block the transaction is part of",
"txrawresult-confirmations": "Number of confirmations of the block",
"txrawresult-time": "Transaction time in seconds since 1 Jan 1970 GMT",
"txrawresult-blocktime": "Block time in seconds since the 1 Jan 1970 GMT",
// GetBlockVerboseResult help.
"getblockverboseresult-hash": "The hash of the block (same as provided)",
"getblockverboseresult-confirmations": "The number of confirmations",
"getblockverboseresult-size": "The size of the block",
"getblockverboseresult-height": "The height of the block in the block chain",
"getblockverboseresult-version": "The block version",
"getblockverboseresult-merkleroot": "Root hash of the merkle tree",
"getblockverboseresult-tx": "The transaction hashes (only when verbosetx=false)",
"getblockverboseresult-rawtx": "The transactions as JSON objects (only when verbosetx=true)",
"getblockverboseresult-time": "The block time in seconds since 1 Jan 1970 GMT",
"getblockverboseresult-nonce": "The block nonce",
"getblockverboseresult-bits": "The bits which represent the block difficulty",
"getblockverboseresult-difficulty": "The proof-of-work difficulty as a multiple of the minimum difficulty",
"getblockverboseresult-previousblockhash": "The hash of the previous block",
"getblockverboseresult-nextblockhash": "The hash of the next block (only if there is one)",
// GetBlockCountCmd help.
"getblockcount--synopsis": "Returns the number of blocks in the longest block chain.",
"getblockcount--result0": "The current block count",
// GetBlockHashCmd help.
"getblockhash--synopsis": "Returns hash of the block in best block chain at the given height.",
"getblockhash-index": "The block height",
"getblockhash--result0": "The block hash",
// GetBlockHeaderCmd help.
"getblockheader--synopsis": "Returns information about a block header given its hash.",
"getblockheader-hash": "The hash of the block",
"getblockheader-verbose": "Specifies the block header is returned as a JSON object instead of hex-encoded string",
"getblockheader--condition0": "verbose=false",
"getblockheader--condition1": "verbose=true",
"getblockheader--result0": "The block header hash",
// GetBlockHeaderVerboseResult help.
"getblockheaderverboseresult-hash": "The hash of the block (same as provided)",
"getblockheaderverboseresult-confirmations": "The number of confirmations",
"getblockheaderverboseresult-height": "The height of the block in the block chain",
"getblockheaderverboseresult-version": "The block version",
"getblockheaderverboseresult-merkleroot": "Root hash of the merkle tree",
"getblockheaderverboseresult-time": "The block time in seconds since 1 Jan 1970 GMT",
"getblockheaderverboseresult-nonce": "The block nonce",
"getblockheaderverboseresult-bits": "The bits which represent the block difficulty",
"getblockheaderverboseresult-difficulty": "The proof-of-work difficulty as a multiple of the minimum difficulty",
"getblockheaderverboseresult-previousblockhash": "The hash of the previous block",
"getblockheaderverboseresult-nextblockhash": "The hash of the next block (only if there is one)",
// TemplateRequest help.
"templaterequest-mode": "This is 'template', 'proposal', or omitted",
"templaterequest-capabilities": "List of capabilities",
"templaterequest-longpollid": "The long poll ID of a job to monitor for expiration; required and valid only for long poll requests ",
"templaterequest-sigoplimit": "Number of signature operations allowed in blocks (this parameter is ignored)",
"templaterequest-sizelimit": "Number of bytes allowed in blocks (this parameter is ignored)",
"templaterequest-maxversion": "Highest supported block version number (this parameter is ignored)",
"templaterequest-target": "The desired target for the block template (this parameter is ignored)",
"templaterequest-data": "Hex-encoded block data (only for mode=proposal)",
"templaterequest-workid": "The server provided workid if provided in block template (not applicable)",
// GetBlockTemplateResultTx help.
"getblocktemplateresulttx-data": "Hex-encoded transaction data (byte-for-byte)",
"getblocktemplateresulttx-hash": "Hex-encoded transaction hash (little endian if treated as a 256-bit number)",
"getblocktemplateresulttx-depends": "Other transactions before this one (by 1-based index in the 'transactions' list) that must be present in the final block if this one is",
"getblocktemplateresulttx-fee": "Difference in value between transaction inputs and outputs (in Satoshi)",
"getblocktemplateresulttx-sigops": "Total number of signature operations as counted for purposes of block limits",
// GetBlockTemplateResultAux help.
"getblocktemplateresultaux-flags": "Hex-encoded byte-for-byte data to include in the coinbase signature script",
// GetBlockTemplateResult help.
"getblocktemplateresult-bits": "Hex-encoded compressed difficulty",
"getblocktemplateresult-curtime": "Current time as seen by the server (recommended for block time); must fall within mintime/maxtime rules",
"getblocktemplateresult-height": "Height of the block to be solved",
"getblocktemplateresult-previousblockhash": "Hex-encoded big-endian hash of the previous block",
"getblocktemplateresult-sigoplimit": "Number of sigops allowed in blocks ",
"getblocktemplateresult-sizelimit": "Number of bytes allowed in blocks",
"getblocktemplateresult-transactions": "Array of transactions as JSON objects",
"getblocktemplateresult-version": "The block version",
"getblocktemplateresult-coinbaseaux": "Data that should be included in the coinbase signature script",
"getblocktemplateresult-coinbasetxn": "Information about the coinbase transaction",
"getblocktemplateresult-coinbasevalue": "Total amount available for the coinbase in Satoshi",
"getblocktemplateresult-workid": "This value must be returned with result if provided (not provided)",
"getblocktemplateresult-longpollid": "Identifier for long poll request which allows monitoring for expiration",
"getblocktemplateresult-longpolluri": "An alternate URI to use for long poll requests if provided (not provided)",
"getblocktemplateresult-submitold": "Not applicable",
"getblocktemplateresult-target": "Hex-encoded big-endian number which valid results must be less than",
"getblocktemplateresult-expires": "Maximum number of seconds (starting from when the server sent the response) this work is valid for",
"getblocktemplateresult-maxtime": "Maximum allowed time",
"getblocktemplateresult-mintime": "Minimum allowed time",
"getblocktemplateresult-mutable": "List of mutations the server explicitly allows",
"getblocktemplateresult-noncerange": "Two concatenated hex-encoded big-endian 32-bit integers which represent the valid ranges of nonces the miner may scan",
"getblocktemplateresult-capabilities": "List of server capabilities including 'proposal' to indicate support for block proposals",
"getblocktemplateresult-reject-reason": "Reason the proposal was invalid as-is (only applies to proposal responses)",
// GetBlockTemplateCmd help.
"getblocktemplate--synopsis": "Returns a JSON object with information necessary to construct a block to mine or accepts a proposal to validate.\n" +
"See BIP0022 and BIP0023 for the full specification.",
"getblocktemplate-request": "Request object which controls the mode and several parameters",
"getblocktemplate--condition0": "mode=template",
"getblocktemplate--condition1": "mode=proposal, rejected",
"getblocktemplate--condition2": "mode=proposal, accepted",
"getblocktemplate--result1": "An error string which represents why the proposal was rejected or nothing if accepted",
// GetConnectionCountCmd help.
"getconnectioncount--synopsis": "Returns the number of active connections to other peers.",
"getconnectioncount--result0": "The number of connections",
// GetCurrentNetCmd help.
"getcurrentnet--synopsis": "Get bitcoin network the server is running on.",
"getcurrentnet--result0": "The network identifer",
// GetDifficultyCmd help.
"getdifficulty--synopsis": "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.",
"getdifficulty--result0": "The difficulty",
// GetGenerateCmd help.
"getgenerate--synopsis": "Returns if the server is set to generate coins (mine) or not.",
"getgenerate--result0": "True if mining, false if not",
// GetHashesPerSecCmd help.
"gethashespersec--synopsis": "Returns a recent hashes per second performance measurement while generating coins (mining).",
"gethashespersec--result0": "The number of hashes per second",
// InfoChainResult help.
"infochainresult-version": "The version of the server",
"infochainresult-protocolversion": "The latest supported protocol version",
"infochainresult-blocks": "The number of blocks processed",
"infochainresult-timeoffset": "The time offset",
"infochainresult-connections": "The number of connected peers",
"infochainresult-proxy": "The proxy used by the server",
"infochainresult-difficulty": "The current target difficulty",
"infochainresult-testnet": "Whether or not server is using testnet",
"infochainresult-relayfee": "The minimum relay fee for non-free transactions in BTC/KB",
"infochainresult-errors": "Any current errors",
// InfoWalletResult help.
"infowalletresult-version": "The version of the server",
"infowalletresult-protocolversion": "The latest supported protocol version",
"infowalletresult-walletversion": "The version of the wallet server",
"infowalletresult-balance": "The total bitcoin balance of the wallet",
"infowalletresult-blocks": "The number of blocks processed",
"infowalletresult-timeoffset": "The time offset",
"infowalletresult-connections": "The number of connected peers",
"infowalletresult-proxy": "The proxy used by the server",
"infowalletresult-difficulty": "The current target difficulty",
"infowalletresult-testnet": "Whether or not server is using testnet",
"infowalletresult-keypoololdest": "Seconds since 1 Jan 1970 GMT of the oldest pre-generated key in the key pool",
"infowalletresult-keypoolsize": "The number of new keys that are pre-generated",
"infowalletresult-unlocked_until": "The timestamp in seconds since 1 Jan 1970 GMT that the wallet is unlocked for transfers, or 0 if the wallet is locked",
"infowalletresult-paytxfee": "The transaction fee set in BTC/KB",
"infowalletresult-relayfee": "The minimum relay fee for non-free transactions in BTC/KB",
"infowalletresult-errors": "Any current errors",
// GetInfoCmd help.
"getinfo--synopsis": "Returns a JSON object containing various state info.",
// GetMempoolInfoCmd help.
"getmempoolinfo--synopsis": "Returns memory pool information",
// GetMempoolInfoResult help.
"getmempoolinforesult-bytes": "Size in bytes of the mempool",
"getmempoolinforesult-size": "Number of transactions in the mempool",
// GetMiningInfoResult help.
"getmininginforesult-blocks": "Height of the latest best block",
"getmininginforesult-currentblocksize": "Size of the latest best block",
"getmininginforesult-currentblocktx": "Number of transactions in the latest best block",
"getmininginforesult-difficulty": "Current target difficulty",
"getmininginforesult-errors": "Any current errors",
"getmininginforesult-generate": "Whether or not server is set to generate coins",
"getmininginforesult-genproclimit": "Number of processors to use for coin generation (-1 when disabled)",
"getmininginforesult-hashespersec": "Recent hashes per second performance measurement while generating coins",
"getmininginforesult-networkhashps": "Estimated network hashes per second for the most recent blocks",
"getmininginforesult-pooledtx": "Number of transactions in the memory pool",
"getmininginforesult-testnet": "Whether or not server is using testnet",
// GetMiningInfoCmd help.
"getmininginfo--synopsis": "Returns a JSON object containing mining-related information.",
// GetNetworkHashPSCmd help.
"getnetworkhashps--synopsis": "Returns the estimated network hashes per second for the block heights provided by the parameters.",
"getnetworkhashps-blocks": "The number of blocks, or -1 for blocks since last difficulty change",
"getnetworkhashps-height": "Perform estimate ending with this height or -1 for current best chain block height",
"getnetworkhashps--result0": "Estimated hashes per second",
// GetNetTotalsCmd help.
"getnettotals--synopsis": "Returns a JSON object containing network traffic statistics.",
// GetNetTotalsResult help.
"getnettotalsresult-totalbytesrecv": "Total bytes received",
"getnettotalsresult-totalbytessent": "Total bytes sent",
"getnettotalsresult-timemillis": "Number of milliseconds since 1 Jan 1970 GMT",
// GetPeerInfoResult help.
"getpeerinforesult-id": "A unique node ID",
"getpeerinforesult-addr": "The ip address and port of the peer",
"getpeerinforesult-addrlocal": "Local address",
"getpeerinforesult-services": "Services bitmask which represents the services supported by the peer",
"getpeerinforesult-lastsend": "Time the last message was received in seconds since 1 Jan 1970 GMT",
"getpeerinforesult-lastrecv": "Time the last message was sent in seconds since 1 Jan 1970 GMT",
"getpeerinforesult-bytessent": "Total bytes sent",
"getpeerinforesult-bytesrecv": "Total bytes received",
"getpeerinforesult-conntime": "Time the connection was made in seconds since 1 Jan 1970 GMT",
"getpeerinforesult-timeoffset": "The time offset of the peer",
"getpeerinforesult-pingtime": "Number of microseconds the last ping took",
"getpeerinforesult-pingwait": "Number of microseconds a queued ping has been waiting for a response",
"getpeerinforesult-version": "The protocol version of the peer",
"getpeerinforesult-subver": "The user agent of the peer",
"getpeerinforesult-inbound": "Whether or not the peer is an inbound connection",
"getpeerinforesult-startingheight": "The latest block height the peer knew about when the connection was established",
"getpeerinforesult-currentheight": "The current height of the peer",
"getpeerinforesult-banscore": "The ban score",
"getpeerinforesult-syncnode": "Whether or not the peer is the sync peer",
// GetPeerInfoCmd help.
"getpeerinfo--synopsis": "Returns data about each connected network peer as an array of json objects.",
// GetRawMempoolVerboseResult help.
"getrawmempoolverboseresult-size": "Transaction size in bytes",
"getrawmempoolverboseresult-fee": "Transaction fee in bitcoins",
"getrawmempoolverboseresult-time": "Local time transaction entered pool in seconds since 1 Jan 1970 GMT",
"getrawmempoolverboseresult-height": "Block height when transaction entered the pool",
"getrawmempoolverboseresult-startingpriority": "Priority when transaction entered the pool",
"getrawmempoolverboseresult-currentpriority": "Current priority",
"getrawmempoolverboseresult-depends": "Unconfirmed transactions used as inputs for this transaction",
// GetRawMempoolCmd help.
"getrawmempool--synopsis": "Returns information about all of the transactions currently in the memory pool.",
"getrawmempool-verbose": "Returns JSON object when true or an array of transaction hashes when false",
"getrawmempool--condition0": "verbose=false",
"getrawmempool--condition1": "verbose=true",
"getrawmempool--result0": "Array of transaction hashes",
// GetRawTransactionCmd help.
"getrawtransaction--synopsis": "Returns information about a transaction given its hash.",
"getrawtransaction-txid": "The hash of the transaction",
"getrawtransaction-verbose": "Specifies the transaction is returned as a JSON object instead of a hex-encoded string",
"getrawtransaction--condition0": "verbose=false",
"getrawtransaction--condition1": "verbose=true",
"getrawtransaction--result0": "Hex-encoded bytes of the serialized transaction",
// GetTxOutResult help.
"gettxoutresult-bestblock": "The block hash that contains the transaction output",
"gettxoutresult-confirmations": "The number of confirmations",
"gettxoutresult-value": "The transaction amount in BTC",
"gettxoutresult-scriptPubKey": "The public key script used to pay coins as a JSON object",
"gettxoutresult-version": "The transaction version",
"gettxoutresult-coinbase": "Whether or not the transaction is a coinbase",
// GetTxOutCmd help.
"gettxout--synopsis": "Returns information about an unspent transaction output..",
"gettxout-txid": "The hash of the transaction",
"gettxout-vout": "The index of the output",
"gettxout-includemempool": "Include the mempool when true",
// GetWorkResult help.
"getworkresult-data": "Hex-encoded block data",
"getworkresult-hash1": "(DEPRECATED) Hex-encoded formatted hash buffer",
"getworkresult-midstate": "(DEPRECATED) Hex-encoded precomputed hash state after hashing first half of the data",
"getworkresult-target": "Hex-encoded little-endian hash target",
// GetWorkCmd help.
"getwork--synopsis": "(DEPRECATED - Use getblocktemplate instead) Returns formatted hash data to work on or checks and submits solved data.",
"getwork-data": "Hex-encoded data to check",
"getwork--condition0": "no data provided",
"getwork--condition1": "data provided",
"getwork--result1": "Whether or not the solved data is valid and was added to the chain",
// HelpCmd help.
"help--synopsis": "Returns a list of all commands or help for a specified command.",
"help-command": "The command to retrieve help for",
"help--condition0": "no command provided",
"help--condition1": "command specified",
"help--result0": "List of commands",
"help--result1": "Help for specified command",
// PingCmd help.
"ping--synopsis": "Queues a ping to be sent to each connected peer.\n" +
"Ping times are provided by getpeerinfo via the pingtime and pingwait fields.",
// SearchRawTransactionsCmd help.
"searchrawtransactions--synopsis": "Returns raw data for transactions involving the passed address.\n" +
"Returned transactions are pulled from both the database, and transactions currently in the mempool.\n" +
"Transactions pulled from the mempool will have the 'confirmations' field set to 0.\n" +
"Usage of this RPC requires the optional --addrindex flag to be activated, otherwise all responses will simply return with an error stating the address index has not yet been built.\n" +
"Similarly, until the address index has caught up with the current best height, all requests will return an error response in order to avoid serving stale data.",
"searchrawtransactions-address": "The Bitcoin address to search for",
"searchrawtransactions-verbose": "Specifies the transaction is returned as a JSON object instead of hex-encoded string",
"searchrawtransactions-skip": "The number of leading transactions to leave out of the final response",
"searchrawtransactions-count": "The maximum number of transactions to return",
"searchrawtransactions--condition0": "verbose=0",
"searchrawtransactions--condition1": "verbose=1",
"searchrawtransactions--result0": "Hex-encoded serialized transaction",
// SendRawTransactionCmd help.
"sendrawtransaction--synopsis": "Submits the serialized, hex-encoded transaction to the local peer and relays it to the network.",
"sendrawtransaction-hextx": "Serialized, hex-encoded signed transaction",
"sendrawtransaction-allowhighfees": "Whether or not to allow insanely high fees (btcd does not yet implement this parameter, so it has no effect)",
"sendrawtransaction--result0": "The hash of the transaction",
// SetGenerateCmd help.
"setgenerate--synopsis": "Set the server to generate coins (mine) or not.",
"setgenerate-generate": "Use true to enable generation, false to disable it",
"setgenerate-genproclimit": "The number of processors (cores) to limit generation to or -1 for default",
// StopCmd help.
"stop--synopsis": "Shutdown btcd.",
"stop--result0": "The string 'btcd stopping.'",
// SubmitBlockOptions help.
"submitblockoptions-workid": "This parameter is currently ignored",
// SubmitBlockCmd help.
"submitblock--synopsis": "Attempts to submit a new serialized, hex-encoded block to the network.",
"submitblock-hexblock": "Serialized, hex-encoded block",
"submitblock-options": "This parameter is currently ignored",
"submitblock--condition0": "Block successfully submitted",
"submitblock--condition1": "Block rejected",
"submitblock--result1": "The reason the block was rejected",
// ValidateAddressResult help.
"validateaddresschainresult-isvalid": "Whether or not the address is valid",
"validateaddresschainresult-address": "The bitcoin address (only when isvalid is true)",
// ValidateAddressCmd help.
"validateaddress--synopsis": "Verify an address is valid.",
"validateaddress-address": "Bitcoin address to validate",
// VerifyChainCmd help.
"verifychain--synopsis": "Verifies the block chain database.\n" +
"The actual checks performed by the checklevel parameter are implementation specific.\n" +
"For btcd this is:\n" +
"checklevel=0 - Look up each block and ensure it can be loaded from the database.\n" +
"checklevel=1 - Perform basic context-free sanity checks on each block.",
"verifychain-checklevel": "How thorough the block verification is",
"verifychain-checkdepth": "The number of blocks to check",
"verifychain--result0": "Whether or not the chain verified",
// VerifyMessageCmd help.
"verifymessage--synopsis": "Verify a signed message.",
"verifymessage-address": "The bitcoin address to use for the signature",
"verifymessage-signature": "The base-64 encoded signature provided by the signer",
"verifymessage-message": "The signed message",
"verifymessage--result0": "Whether or not the signature verified",
// -------- Websocket-specific help --------
// NotifyBlocksCmd help.
"notifyblocks--synopsis": "Request notifications for whenever a block is connected or disconnected from the main (best) chain.",
// StopNotifyBlocksCmd help.
"stopnotifyblocks--synopsis": "Cancel registered notifications for whenever a block is connected or disconnected from the main (best) chain.",
// NotifyNewTransactionsCmd help.
"notifynewtransactions--synopsis": "Send either a txaccepted or a txacceptedverbose notification when a new transaction is accepted into the mempool.",
"notifynewtransactions-verbose": "Specifies which type of notification to receive. If verbose is true, then the caller receives txacceptedverbose, otherwise the caller receives txaccepted",
// StopNotifyNewTransactionsCmd help.
"stopnotifynewtransactions--synopsis": "Stop sending either a txaccepted or a txacceptedverbose notification when a new transaction is accepted into the mempool.",
// NotifyReceivedCmd help.
"notifyreceived--synopsis": "Send a recvtx notification when a transaction added to mempool or appears in a newly-attached block contains a txout pkScript sending to any of the passed addresses.\n" +
"Matching outpoints are automatically registered for redeemingtx notifications.",
"notifyreceived-addresses": "List of address to receive notifications about",
// StopNotifyReceivedCmd help.
"stopnotifyreceived--synopsis": "Cancel registered receive notifications for each passed address.",
"stopnotifyreceived-addresses": "List of address to cancel receive notifications for",
// OutPoint help.
"outpoint-hash": "The hex-encoded bytes of the outpoint hash",
"outpoint-index": "The index of the outpoint",
// NotifySpentCmd help.
"notifyspent--synopsis": "Send a redeemingtx notification when a transaction spending an outpoint appears in mempool (if relayed to this btcd instance) and when such a transaction first appears in a newly-attached block.",
"notifyspent-outpoints": "List of transaction outpoints to monitor.",
// StopNotifySpentCmd help.
"stopnotifyspent--synopsis": "Cancel registered spending notifications for each passed outpoint.",
"stopnotifyspent-outpoints": "List of transaction outpoints to stop monitoring.",
// Rescan help.
"rescan--synopsis": "Rescan block chain for transactions to addresses.\n" +
"When the endblock parameter is omitted, the rescan continues through the best block in the main chain.\n" +
"Rescan results are sent as recvtx and redeemingtx notifications.\n" +
"This call returns once the rescan completes.",
"rescan-beginblock": "Hash of the first block to begin rescanning",
"rescan-addresses": "List of addresses to include in the rescan",
"rescan-outpoints": "List of transaction outpoints to include in the rescan",
"rescan-endblock": "Hash of final block to rescan",
}
// rpcResultTypes specifies the result types that each RPC command can return.
// This information is used to generate the help. Each result type must be a
// pointer to the type (or nil to indicate no return value).
var rpcResultTypes = map[string][]interface{}{
"addnode": nil,
"createrawtransaction": []interface{}{(*string)(nil)},
"debuglevel": []interface{}{(*string)(nil), (*string)(nil)},
"decoderawtransaction": []interface{}{(*btcjson.TxRawDecodeResult)(nil)},
"decodescript": []interface{}{(*btcjson.DecodeScriptResult)(nil)},
"generate": []interface{}{(*[]string)(nil)},
"getaddednodeinfo": []interface{}{(*[]string)(nil), (*[]btcjson.GetAddedNodeInfoResult)(nil)},
"getbestblock": []interface{}{(*btcjson.GetBestBlockResult)(nil)},
"getbestblockhash": []interface{}{(*string)(nil)},
"getblock": []interface{}{(*string)(nil), (*btcjson.GetBlockVerboseResult)(nil)},
"getblockcount": []interface{}{(*int64)(nil)},
"getblockhash": []interface{}{(*string)(nil)},
"getblockheader": []interface{}{(*string)(nil), (*btcjson.GetBlockHeaderVerboseResult)(nil)},
"getblocktemplate": []interface{}{(*btcjson.GetBlockTemplateResult)(nil), (*string)(nil), nil},
"getconnectioncount": []interface{}{(*int32)(nil)},
"getcurrentnet": []interface{}{(*uint32)(nil)},
"getdifficulty": []interface{}{(*float64)(nil)},
"getgenerate": []interface{}{(*bool)(nil)},
"gethashespersec": []interface{}{(*float64)(nil)},
"getinfo": []interface{}{(*btcjson.InfoChainResult)(nil)},
"getmempoolinfo": []interface{}{(*btcjson.GetMempoolInfoResult)(nil)},
"getmininginfo": []interface{}{(*btcjson.GetMiningInfoResult)(nil)},
"getnettotals": []interface{}{(*btcjson.GetNetTotalsResult)(nil)},
"getnetworkhashps": []interface{}{(*int64)(nil)},
"getpeerinfo": []interface{}{(*[]btcjson.GetPeerInfoResult)(nil)},
"getrawmempool": []interface{}{(*[]string)(nil), (*btcjson.GetRawMempoolVerboseResult)(nil)},
"getrawtransaction": []interface{}{(*string)(nil), (*btcjson.TxRawResult)(nil)},
"gettxout": []interface{}{(*btcjson.GetTxOutResult)(nil)},
"getwork": []interface{}{(*btcjson.GetWorkResult)(nil), (*bool)(nil)},
"node": nil,
"help": []interface{}{(*string)(nil), (*string)(nil)},
"ping": nil,
"searchrawtransactions": []interface{}{(*string)(nil), (*[]btcjson.TxRawResult)(nil)},
"sendrawtransaction": []interface{}{(*string)(nil)},
"setgenerate": nil,
"stop": []interface{}{(*string)(nil)},
"submitblock": []interface{}{nil, (*string)(nil)},
"validateaddress": []interface{}{(*btcjson.ValidateAddressChainResult)(nil)},
"verifychain": []interface{}{(*bool)(nil)},
"verifymessage": []interface{}{(*bool)(nil)},
// Websocket commands.
"notifyblocks": nil,
"stopnotifyblocks": nil,
"notifynewtransactions": nil,
"stopnotifynewtransactions": nil,
"notifyreceived": nil,
"stopnotifyreceived": nil,
"notifyspent": nil,
"stopnotifyspent": nil,
"rescan": nil,
}
// helpCacher provides a concurrent safe type that provides help and usage for
// the RPC server commands and caches the results for future calls.
type helpCacher struct {
sync.Mutex
usage string
methodHelp map[string]string
}
// rpcMethodHelp returns an RPC help string for the provided method.
//
// This function is safe for concurrent access.
func (c *helpCacher) rpcMethodHelp(method string) (string, error) {
c.Lock()
defer c.Unlock()
// Return the cached method help if it exists.
if help, exists := c.methodHelp[method]; exists {
return help, nil
}
// Look up the result types for the method.
resultTypes, ok := rpcResultTypes[method]
if !ok {
return "", errors.New("no result types specified for method " +
method)
}
// Generate, cache, and return the help.
help, err := btcjson.GenerateHelp(method, helpDescsEnUS, resultTypes...)
if err != nil {
return "", err
}
c.methodHelp[method] = help
return help, nil
}
// rpcUsage returns one-line usage for all support RPC commands.
//
// This function is safe for concurrent access.
func (c *helpCacher) rpcUsage(includeWebsockets bool) (string, error) {
c.Lock()
defer c.Unlock()
// Return the cached usage if it is available.
if c.usage != "" {
return c.usage, nil
}
// Generate a list of one-line usage for every command.
usageTexts := make([]string, 0, len(rpcHandlers))
for k := range rpcHandlers {
usage, err := btcjson.MethodUsageText(k)
if err != nil {
return "", err
}
usageTexts = append(usageTexts, usage)
}
// Include websockets commands if requested.
if includeWebsockets {
for k := range wsHandlers {
usage, err := btcjson.MethodUsageText(k)
if err != nil {
return "", err
}
usageTexts = append(usageTexts, usage)
}
}
sort.Sort(sort.StringSlice(usageTexts))
c.usage = strings.Join(usageTexts, "\n")
return c.usage, nil
}
// newHelpCacher returns a new instance of a help cacher which provides help and
// usage for the RPC server commands and caches the results for future calls.
func newHelpCacher() *helpCacher {
return &helpCacher{
methodHelp: make(map[string]string),
}
}