fcoin/lib/http/rpc.js
2017-03-01 08:48:53 -08:00

4317 lines
101 KiB
JavaScript

/*!
* rpc.js - bitcoind-compatible json rpc for bcoin.
* Copyright (c) 2014-2017, Christopher Jeffrey (MIT License).
* https://github.com/bcoin-org/bcoin
*/
'use strict';
var fs = require('fs');
var EventEmitter = require('events').EventEmitter;
var util = require('../utils/util');
var co = require('../utils/co');
var crypto = require('../crypto/crypto');
var assert = require('assert');
var common = require('../blockchain/common');
var ec = require('../crypto/ec');
var Amount = require('../btc/amount');
var NetAddress = require('../primitives/netaddress');
var Script = require('../script/script');
var Address = require('../primitives/address');
var Block = require('../primitives/block');
var Headers = require('../primitives/headers');
var Input = require('../primitives/input');
var KeyRing = require('../primitives/keyring');
var Lock = require('../utils/lock');
var MerkleBlock = require('../primitives/merkleblock');
var MTX = require('../primitives/mtx');
var Network = require('../protocol/network');
var Outpoint = require('../primitives/outpoint');
var Output = require('../primitives/output');
var TX = require('../primitives/tx');
var Logger = require('../node/logger');
var IP = require('../utils/ip');
var encoding = require('../utils/encoding');
var consensus = require('../protocol/consensus');
var pkg = require('../pkg');
/**
* Bitcoin Core RPC
* @alias module:http.RPC
* @constructor
* @param {Node} node
*/
function RPC(node) {
if (!(this instanceof RPC))
return new RPC(node);
EventEmitter.call(this);
assert(node, 'RPC requires a Node.');
this.node = node;
this.network = node.network;
this.chain = node.chain;
this.mempool = node.mempool;
this.pool = node.pool;
this.fees = node.fees;
this.miner = node.miner;
this.wallet = node.wallet;
this.walletdb = node.walletdb;
this.logger = node.logger;
this.locker = new Lock();
this.feeRate = null;
this.mining = false;
this.proclimit = 0;
this.attempt = null;
this.start = 0;
this._boundChain = false;
this.coinbase = {};
}
util.inherits(RPC, EventEmitter);
RPC.magic = 'Bitcoin Signed Message:\n';
RPC.prototype.execute = function execute(json, help) {
switch (json.method) {
case 'stop':
return this.stop(json.params, help);
case 'help':
return this.help(json.params, help);
case 'getblockchaininfo':
return this.getblockchaininfo(json.params, help);
case 'getbestblockhash':
return this.getbestblockhash(json.params, help);
case 'getblockcount':
return this.getblockcount(json.params, help);
case 'getblock':
return this.getblock(json.params, help);
case 'getblockhash':
return this.getblockhash(json.params, help);
case 'getblockheader':
return this.getblockheader(json.params, help);
case 'getchaintips':
return this.getchaintips(json.params, help);
case 'getdifficulty':
return this.getdifficulty(json.params, help);
case 'getmempoolancestors':
return this.getmempoolancestors(json.params, help);
case 'getmempooldescendants':
return this.getmempooldescendants(json.params, help);
case 'getmempoolentry':
return this.getmempoolentry(json.params, help);
case 'getmempoolinfo':
return this.getmempoolinfo(json.params, help);
case 'getrawmempool':
return this.getrawmempool(json.params, help);
case 'gettxout':
return this.gettxout(json.params, help);
case 'gettxoutsetinfo':
return this.gettxoutsetinfo(json.params, help);
case 'verifychain':
return this.verifychain(json.params, help);
case 'invalidateblock':
return this.invalidateblock(json.params, help);
case 'reconsiderblock':
return this.reconsiderblock(json.params, help);
case 'getnetworkhashps':
return this.getnetworkhashps(json.params, help);
case 'getmininginfo':
return this.getmininginfo(json.params, help);
case 'prioritisetransaction':
return this.prioritisetransaction(json.params, help);
case 'getwork':
return this.getwork(json.params, help);
case 'getworklp':
return this.getworklp(json.params, help);
case 'getblocktemplate':
return this.getblocktemplate(json.params, help);
case 'submitblock':
return this.submitblock(json.params, help);
case 'verifyblock':
return this.verifyblock(json.params, help);
case 'setgenerate':
return this.setgenerate(json.params, help);
case 'getgenerate':
return this.getgenerate(json.params, help);
case 'generate':
return this.generate(json.params, help);
case 'generatetoaddress':
return this.generatetoaddress(json.params, help);
case 'estimatefee':
return this.estimatefee(json.params, help);
case 'estimatepriority':
return this.estimatepriority(json.params, help);
case 'estimatesmartfee':
return this.estimatesmartfee(json.params, help);
case 'estimatesmartpriority':
return this.estimatesmartpriority(json.params, help);
case 'getinfo':
return this.getinfo(json.params, help);
case 'validateaddress':
return this.validateaddress(json.params, help);
case 'createmultisig':
return this.createmultisig(json.params, help);
case 'createwitnessaddress':
return this.createwitnessaddress(json.params, help);
case 'verifymessage':
return this.verifymessage(json.params, help);
case 'signmessagewithprivkey':
return this.signmessagewithprivkey(json.params, help);
case 'setmocktime':
return this.setmocktime(json.params, help);
case 'getconnectioncount':
return this.getconnectioncount(json.params, help);
case 'ping':
return this.ping(json.params, help);
case 'getpeerinfo':
return this.getpeerinfo(json.params, help);
case 'addnode':
return this.addnode(json.params, help);
case 'disconnectnode':
return this.disconnectnode(json.params, help);
case 'getaddednodeinfo':
return this.getaddednodeinfo(json.params, help);
case 'getnettotals':
return this.getnettotals(json.params, help);
case 'getnetworkinfo':
return this.getnetworkinfo(json.params, help);
case 'setban':
return this.setban(json.params, help);
case 'listbanned':
return this.listbanned(json.params, help);
case 'clearbanned':
return this.clearbanned(json.params, help);
case 'getrawtransaction':
return this.getrawtransaction(json.params, help);
case 'createrawtransaction':
return this.createrawtransaction(json.params, help);
case 'decoderawtransaction':
return this.decoderawtransaction(json.params, help);
case 'decodescript':
return this.decodescript(json.params, help);
case 'sendrawtransaction':
return this.sendrawtransaction(json.params, help);
case 'signrawtransaction':
return this.signrawtransaction(json.params, help);
case 'gettxoutproof':
return this.gettxoutproof(json.params, help);
case 'verifytxoutproof':
return this.verifytxoutproof(json.params, help);
case 'fundrawtransaction':
return this.fundrawtransaction(json.params, help);
case 'resendwallettransactions':
return this.resendwallettransactions(json.params, help);
case 'abandontransaction':
return this.abandontransaction(json.params, help);
case 'addmultisigaddress':
return this.addmultisigaddress(json.params, help);
case 'addwitnessaddress':
return this.addwitnessaddress(json.params, help);
case 'backupwallet':
return this.backupwallet(json.params, help);
case 'dumpprivkey':
return this.dumpprivkey(json.params, help);
case 'dumpwallet':
return this.dumpwallet(json.params, help);
case 'encryptwallet':
return this.encryptwallet(json.params, help);
case 'getaccountaddress':
return this.getaccountaddress(json.params, help);
case 'getaccount':
return this.getaccount(json.params, help);
case 'getaddressesbyaccount':
return this.getaddressesbyaccount(json.params, help);
case 'getbalance':
return this.getbalance(json.params, help);
case 'getnewaddress':
return this.getnewaddress(json.params, help);
case 'getrawchangeaddress':
return this.getrawchangeaddress(json.params, help);
case 'getreceivedbyaccount':
return this.getreceivedbyaccount(json.params, help);
case 'getreceivedbyaddress':
return this.getreceivedbyaddress(json.params, help);
case 'gettransaction':
return this.gettransaction(json.params, help);
case 'getunconfirmedbalance':
return this.getunconfirmedbalance(json.params, help);
case 'getwalletinfo':
return this.getwalletinfo(json.params, help);
case 'importprivkey':
return this.importprivkey(json.params, help);
case 'importwallet':
return this.importwallet(json.params, help);
case 'importaddress':
return this.importaddress(json.params, help);
case 'importprunedfunds':
return this.importprunedfunds(json.params, help);
case 'importpubkey':
return this.importpubkey(json.params, help);
case 'keypoolrefill':
return this.keypoolrefill(json.params, help);
case 'listaccounts':
return this.listaccounts(json.params, help);
case 'listaddressgroupings':
return this.listaddressgroupings(json.params, help);
case 'listlockunspent':
return this.listlockunspent(json.params, help);
case 'listreceivedbyaccount':
return this.listreceivedbyaccount(json.params, help);
case 'listreceivedbyaddress':
return this.listreceivedbyaddress(json.params, help);
case 'listsinceblock':
return this.listsinceblock(json.params, help);
case 'listtransactions':
return this.listtransactions(json.params, help);
case 'listunspent':
return this.listunspent(json.params, help);
case 'lockunspent':
return this.lockunspent(json.params, help);
case 'move':
return this.move(json.params, help);
case 'sendfrom':
return this.sendfrom(json.params, help);
case 'sendmany':
return this.sendmany(json.params, help);
case 'sendtoaddress':
return this.sendtoaddress(json.params, help);
case 'setaccount':
return this.setaccount(json.params, help);
case 'settxfee':
return this.settxfee(json.params, help);
case 'signmessage':
return this.signmessage(json.params, help);
case 'walletlock':
return this.walletlock(json.params, help);
case 'walletpassphrasechange':
return this.walletpassphrasechange(json.params, help);
case 'walletpassphrase':
return this.walletpassphrase(json.params, help);
case 'removeprunedfunds':
return this.removeprunedfunds(json.params, help);
case 'getmemory':
return this.getmemory(json.params, help);
case 'selectwallet':
return this.selectwallet(json.params, help);
case 'setloglevel':
return this.setloglevel(json.params, help);
default:
return Promise.reject(new Error('Not found: ' + json.method + '.'));
}
};
/*
* Overall control/query calls
*/
RPC.prototype.getinfo = co(function* getinfo(args, help) {
var balance;
if (help || args.length !== 0)
throw new RPCError('getinfo');
balance = yield this.wallet.getBalance();
return {
version: pkg.version,
protocolversion: this.pool.options.version,
walletversion: 0,
balance: Amount.btc(balance.unconfirmed, true),
blocks: this.chain.height,
timeoffset: this.network.time.offset,
connections: this.pool.peers.size(),
proxy: '',
difficulty: this._getDifficulty(),
testnet: this.network.type !== Network.main,
keypoololdest: 0,
keypoolsize: 0,
unlocked_until: this.wallet.master.until,
paytxfee: Amount.btc(this.network.feeRate, true),
relayfee: Amount.btc(this.network.minRelay, true),
errors: ''
};
});
RPC.prototype.help = co(function* _help(args, help) {
var json;
if (args.length === 0)
return 'Select a command.';
json = {
method: args[0],
params: []
};
return yield this.execute(json, true);
});
RPC.prototype.stop = co(function* stop(args, help) {
if (help || args.length !== 0)
throw new RPCError('stop');
this.node.close();
return 'Stopping.';
});
/*
* P2P networking
*/
RPC.prototype.getnetworkinfo = co(function* getnetworkinfo(args, help) {
if (help || args.length !== 0)
throw new RPCError('getnetworkinfo');
return {
version: pkg.version,
subversion: this.pool.options.agent,
protocolversion: this.pool.options.version,
localservices: this.pool.address.services,
timeoffset: this.network.time.offset,
connections: this.pool.peers.size(),
networks: [],
relayfee: Amount.btc(this.network.minRelay, true),
localaddresses: [],
warnings: ''
};
});
RPC.prototype.addnode = co(function* addnode(args, help) {
var node, cmd, addr, peer;
if (help || args.length !== 2)
throw new RPCError('addnode "node" "add|remove|onetry"');
node = toString(args[0]);
cmd = toString(args[1]);
addr = NetAddress.fromHostname(node, this.network);
switch (cmd) {
case 'add':
this.pool.hosts.add(addr);
break;
case 'remove':
this.pool.hosts.remove(addr.hostname);
break;
case 'onetry':
if (!this.pool.peers.get(addr.hostname)) {
peer = this.pool.createPeer(addr);
this.pool.peers.add(peer);
}
break;
}
return null;
});
RPC.prototype.disconnectnode = co(function* disconnectnode(args, help) {
var addr, peer;
if (help || args.length !== 1)
throw new RPCError('disconnectnode "node"');
addr = toString(args[0]);
addr = IP.fromHostname(addr, this.network.port);
peer = this.pool.peers.get(addr.hostname);
if (peer)
peer.destroy();
return null;
});
RPC.prototype.getaddednodeinfo = co(function* getaddednodeinfo(args, help) {
var out = [];
var addr, peer;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getaddednodeinfo dummy ( "node" )');
if (args.length === 2) {
addr = toString(args[1]);
addr = IP.fromHostname(addr, this.network.port);
peer = this.pool.peers.get(addr.hostname);
if (!peer)
throw new RPCError('Node has not been added.');
return [this._toAddedNode(peer)];
}
for (peer = this.pool.peers.head(); peer; peer = peer.next)
out.push(this._toAddedNode(peer));
return out;
});
RPC.prototype._toAddedNode = function _toAddedNode(peer) {
return {
addednode: peer.hostname(),
connected: peer.connected,
addresses: [
{
address: peer.hostname(),
connected: peer.outbound
? 'outbound'
: 'inbound'
}
]
};
};
RPC.prototype.getconnectioncount = co(function* getconnectioncount(args, help) {
if (help || args.length !== 0)
throw new RPCError('getconnectioncount');
return this.pool.peers.size();
});
RPC.prototype.getnettotals = co(function* getnettotals(args, help) {
var sent = 0;
var recv = 0;
var peer;
if (help || args.length > 0)
throw new RPCError('getnettotals');
for (peer = this.pool.peers.head(); peer; peer = peer.next) {
sent += peer.socket.bytesWritten;
recv += peer.socket.bytesRead;
}
return {
totalbytesrecv: recv,
totalbytessent: sent,
timemillis: util.ms()
};
});
RPC.prototype.getpeerinfo = co(function* getpeerinfo(args, help) {
var peers = [];
var id = 0;
var peer, offset;
if (help || args.length !== 0)
throw new RPCError('getpeerinfo');
for (peer = this.pool.peers.head(); peer; peer = peer.next) {
offset = this.network.time.known[peer.hostname()];
if (offset == null)
offset = 0;
peers.push({
id: id++,
addr: peer.hostname(),
addrlocal: peer.hostname(),
relaytxes: !peer.noRelay,
lastsend: peer.lastSend / 1000 | 0,
lastrecv: peer.lastRecv / 1000 | 0,
bytessent: peer.socket.bytesWritten,
bytesrecv: peer.socket.bytesRead,
conntime: peer.ts !== 0 ? util.now() - peer.ts : 0,
timeoffset: offset,
pingtime: peer.lastPong !== -1
? (peer.lastPong - peer.lastPing) / 1000
: -1,
minping: peer.minPing !== -1 ? peer.minPing / 1000 : -1,
version: peer.version,
subver: peer.agent,
inbound: !peer.outbound,
startingheight: peer.height,
banscore: peer.banScore,
inflight: peer.requestMap.keys().map(util.revHex),
whitelisted: false
});
}
return peers;
});
RPC.prototype.ping = co(function* ping(args, help) {
var peer;
if (help || args.length !== 0)
throw new RPCError('ping');
for (peer = this.pool.peers.head(); peer; peer = peer.next)
peer.sendPing();
return null;
});
RPC.prototype.setban = co(function* setban(args, help) {
var addr;
if (help
|| args.length < 2
|| (args[1] !== 'add' && args[1] !== 'remove')) {
throw new RPCError('setban "ip(/netmask)"'
+ ' "add|remove" (bantime) (absolute)');
}
addr = toString(args[0]);
addr = NetAddress.fromHostname(addr, this.network);
switch (args[1]) {
case 'add':
this.pool.ban(addr);
break;
case 'remove':
this.pool.unban(addr);
break;
}
return null;
});
RPC.prototype.listbanned = co(function* listbanned(args, help) {
var i, banned, keys, host, time;
if (help || args.length !== 0)
throw new RPCError('listbanned');
banned = [];
keys = Object.keys(this.pool.hosts.banned);
for (i = 0; i < keys.length; i++) {
host = keys[i];
time = this.pool.hosts.banned[host];
banned.push({
address: host,
banned_until: time + this.pool.hosts.banTime,
ban_created: time,
ban_reason: ''
});
}
return banned;
});
RPC.prototype.clearbanned = co(function* clearbanned(args, help) {
if (help || args.length !== 0)
throw new RPCError('clearbanned');
this.pool.hosts.clearBanned();
return null;
});
RPC.prototype._deployment = function _deployment(id, version, status) {
return {
id: id,
version: version,
reject: {
status: status
}
};
};
RPC.prototype._getSoftforks = function _getSoftforks() {
return [
this._deployment('bip34', 2, this.chain.state.hasBIP34()),
this._deployment('bip66', 3, this.chain.state.hasBIP66()),
this._deployment('bip65', 4, this.chain.state.hasCLTV())
];
};
RPC.prototype._getBIP9Softforks = co(function* _getBIP9Softforks() {
var tip = this.chain.tip;
var forks = {};
var i, deployment, state, status;
for (i = 0; i < this.network.deploys.length; i++) {
deployment = this.network.deploys[i];
state = yield this.chain.getState(tip, deployment);
switch (state) {
case common.thresholdStates.DEFINED:
status = 'defined';
break;
case common.thresholdStates.STARTED:
status = 'started';
break;
case common.thresholdStates.LOCKED_IN:
status = 'locked_in';
break;
case common.thresholdStates.ACTIVE:
status = 'active';
break;
case common.thresholdStates.FAILED:
status = 'failed';
break;
default:
assert(false, 'Bad state.');
break;
}
forks[deployment.name] = {
status: status,
bit: deployment.bit,
startTime: deployment.startTime,
timeout: deployment.timeout
};
}
return forks;
});
/* Block chain and UTXO */
RPC.prototype.getblockchaininfo = co(function* getblockchaininfo(args, help) {
if (help || args.length !== 0)
throw new RPCError('getblockchaininfo');
return {
chain: 'main',
blocks: this.chain.height,
headers: this.chain.height,
bestblockhash: this.chain.tip.rhash(),
difficulty: this._getDifficulty(),
mediantime: yield this.chain.tip.getMedianTime(),
verificationprogress: this.chain.getProgress(),
chainwork: this.chain.tip.chainwork.toString('hex', 64),
pruned: this.chain.options.prune,
softforks: this._getSoftforks(),
bip9_softforks: yield this._getBIP9Softforks(),
pruneheight: this.chain.options.prune
? Math.max(0, this.chain.height - this.network.block.keepBlocks)
: null
};
});
RPC.prototype._getDifficulty = function getDifficulty(entry) {
var shift, diff;
if (!entry) {
if (!this.chain.tip)
return 1.0;
entry = this.chain.tip;
}
shift = (entry.bits >>> 24) & 0xff;
diff = 0x0000ffff / (entry.bits & 0x00ffffff);
while (shift < 29) {
diff *= 256.0;
shift++;
}
while (shift > 29) {
diff /= 256.0;
shift--;
}
return diff;
};
RPC.prototype.getbestblockhash = co(function* getbestblockhash(args, help) {
if (help || args.length !== 0)
throw new RPCError('getbestblockhash');
return this.chain.tip.rhash();
});
RPC.prototype.getblockcount = co(function* getblockcount(args, help) {
if (help || args.length !== 0)
throw new RPCError('getblockcount');
return this.chain.tip.height;
});
RPC.prototype.getblock = co(function* getblock(args, help) {
var hash, verbose, entry, block;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getblock "hash" ( verbose )');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter.');
verbose = true;
if (args.length > 1)
verbose = toBool(args[1]);
entry = yield this.chain.db.getEntry(hash);
if (!entry)
throw new RPCError('Block not found');
block = yield this.chain.db.getBlock(entry.hash);
if (!block) {
if (this.chain.options.spv)
throw new RPCError('Block not available (spv mode)');
if (this.chain.options.prune)
throw new RPCError('Block not available (pruned data)');
throw new RPCError('Can\'t read block from disk');
}
if (!verbose)
return block.toRaw().toString('hex');
return yield this._blockToJSON(entry, block, false);
});
RPC.prototype._txToJSON = function _txToJSON(tx, entry) {
var self = this;
var height = entry ? entry.height : -1;
var conf = 0;
if (height >= this.chain.height)
conf = height + 1 - this.chain.height;
return {
txid: tx.txid(),
hash: tx.wtxid(),
size: tx.getSize(),
vsize: tx.getVirtualSize(),
version: tx.version,
locktime: tx.locktime,
vin: tx.inputs.map(function(input) {
var out = {};
if (tx.isCoinbase()) {
out.coinbase = input.script.toJSON();
} else {
out.txid = input.prevout.txid();
out.vout = input.prevout.index;
out.scriptSig = {
asm: input.script.toASM(),
hex: input.script.toJSON()
};
}
if (input.witness.items.length > 0) {
out.txinwitness = input.witness.items.map(function(item) {
return item.toString('hex');
});
}
out.sequence = input.sequence;
return out;
}),
vout: tx.outputs.map(function(output, i) {
return {
value: Amount.btc(output.value, true),
n: i,
scriptPubKey: self._scriptToJSON(output.script, true)
};
}),
blockhash: entry ? entry.rhash() : null,
confirmations: conf,
time: entry ? entry.ts : 0,
blocktime: entry ? entry.ts : 0,
hex: undefined
};
};
RPC.prototype._scriptToJSON = function scriptToJSON(script, hex) {
var type = script.getType();
var address = script.getAddress();
var out;
out = {
asm: script.toASM(),
hex: undefined,
type: Script.typesByVal[type],
reqSigs: 1,
addresses: []
};
if (hex)
out.hex = script.toJSON();
if (script.isMultisig())
out.reqSigs = script.getSmall(0);
if (address) {
address = address.toBase58(this.network);
out.addresses.push(address);
}
return out;
};
RPC.prototype.getblockhash = co(function* getblockhash(args, help) {
var height, hash;
if (help || args.length !== 1)
throw new RPCError('getblockhash index');
height = toNumber(args[0]);
if (height < 0 || height > this.chain.height)
throw new RPCError('Block height out of range.');
hash = yield this.chain.db.getHash(height);
if (!hash)
throw new RPCError('Not found.');
return util.revHex(hash);
});
RPC.prototype.getblockheader = co(function* getblockheader(args, help) {
var hash, verbose, entry;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getblockheader "hash" ( verbose )');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter.');
verbose = true;
if (args.length > 1)
verbose = toBool(args[1], true);
entry = yield this.chain.db.getEntry(hash);
if (!entry)
throw new RPCError('Block not found');
if (!verbose)
return entry.toRaw().toString('hex', 0, 80);
return yield this._headerToJSON(entry);
});
RPC.prototype._headerToJSON = co(function* _headerToJSON(entry) {
var medianTime = yield entry.getMedianTime();
var nextHash = yield this.chain.db.getNextHash(entry.hash);
return {
hash: entry.rhash(),
confirmations: this.chain.height - entry.height + 1,
height: entry.height,
version: entry.version,
merkleroot: util.revHex(entry.merkleRoot),
time: entry.ts,
mediantime: medianTime,
bits: entry.bits,
difficulty: this._getDifficulty(entry),
chainwork: entry.chainwork.toString('hex', 64),
previousblockhash: entry.prevBlock !== encoding.NULL_HASH
? util.revHex(entry.prevBlock)
: null,
nextblockhash: nextHash ? util.revHex(nextHash) : null
};
});
RPC.prototype._blockToJSON = co(function* _blockToJSON(entry, block, txDetails) {
var self = this;
var mtp = yield entry.getMedianTime();
var nextHash = yield this.chain.db.getNextHash(entry.hash);
return {
hash: entry.rhash(),
confirmations: this.chain.height - entry.height + 1,
strippedsize: block.getBaseSize(),
size: block.getSize(),
weight: block.getWeight(),
height: entry.height,
version: entry.version,
merkleroot: util.revHex(entry.merkleRoot),
tx: block.txs.map(function(tx) {
if (txDetails)
return self._txToJSON(tx, entry);
return tx.txid();
}),
time: entry.ts,
mediantime: mtp,
bits: entry.bits,
difficulty: this._getDifficulty(entry),
chainwork: entry.chainwork.toString('hex', 64),
previousblockhash: entry.prevBlock !== encoding.NULL_HASH
? util.revHex(entry.prevBlock)
: null,
nextblockhash: nextHash ? util.revHex(nextHash) : null
};
});
RPC.prototype.getchaintips = co(function* getchaintips(args, help) {
var i, hash, tips, result, entry, fork, main;
if (help || args.length !== 0)
throw new RPCError('getchaintips');
tips = yield this.chain.db.getTips();
result = [];
for (i = 0; i < tips.length; i++) {
hash = tips[i];
entry = yield this.chain.db.getEntry(hash);
assert(entry);
fork = yield this._findFork(entry);
main = yield entry.isMainChain();
result.push({
height: entry.height,
hash: entry.rhash(),
branchlen: entry.height - fork.height,
status: main ? 'active' : 'valid-headers'
});
}
return result;
});
RPC.prototype._findFork = co(function* _findFork(entry) {
while (entry) {
if (yield entry.isMainChain())
return entry;
entry = yield entry.getPrevious();
}
throw new Error('Fork not found.');
});
RPC.prototype.getdifficulty = co(function* getdifficulty(args, help) {
if (help || args.length !== 0)
throw new RPCError('getdifficulty');
return this._getDifficulty();
});
RPC.prototype.getmempoolinfo = co(function* getmempoolinfo(args, help) {
if (help || args.length !== 0)
throw new RPCError('getmempoolinfo');
if (!this.mempool)
throw new RPCError('No mempool available.');
return {
size: this.mempool.totalTX,
bytes: this.mempool.getSize(),
usage: this.mempool.getSize(),
maxmempool: this.mempool.options.maxSize,
mempoolminfee: Amount.btc(this.mempool.options.minRelay, true)
};
});
RPC.prototype.getmempoolancestors = co(function* getmempoolancestors(args, help) {
var out = [];
var i, hash, verbose, entry, entries;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getmempoolancestors txid (verbose)');
if (!this.mempool)
throw new RPCError('No mempool available.');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter.');
if (args.length > 1)
verbose = toBool(args[1], false);
entry = this.mempool.getEntry(hash);
if (!entry)
throw new RPCError('Transaction not in mempool.');
entries = this.mempool.getAncestors(entry.tx);
if (verbose) {
for (i = 0; i < entries.length; i++) {
entry = entries[i];
out.push(this._entryToJSON(entry));
}
} else {
for (i = 0; i < entries.length; i++) {
entry = entries[i];
out.push(entry.tx.txid());
}
}
return out;
});
RPC.prototype.getmempooldescendants = co(function* getmempooldescendants(args, help) {
var out = [];
var i, hash, verbose, entry, entries;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getmempooldescendants txid (verbose)');
if (!this.mempool)
throw new RPCError('No mempool available.');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter.');
if (args.length > 1)
verbose = toBool(args[1], false);
entry = this.mempool.getEntry(hash);
if (!entry)
throw new RPCError('Transaction not in mempool.');
entries = this.mempool.getDescendants(entry.tx);
if (verbose) {
for (i = 0; i < entries.length; i++) {
entry = entries[i];
out.push(this._entryToJSON(entry));
}
} else {
for (i = 0; i < entries.length; i++) {
entry = entries[i];
out.push(entry.tx.txid());
}
}
return out;
});
RPC.prototype.getmempoolentry = co(function* getmempoolentry(args, help) {
var hash, entry;
if (help || args.length !== 1)
throw new RPCError('getmempoolentry txid');
if (!this.mempool)
throw new RPCError('No mempool available.');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter.');
entry = this.mempool.getEntry(hash);
if (!entry)
throw new RPCError('Transaction not in mempool.');
return this._entryToJSON(entry);
});
RPC.prototype.getrawmempool = co(function* getrawmempool(args, help) {
var verbose;
if (help || args.length > 1)
throw new RPCError('getrawmempool ( verbose )');
verbose = false;
if (args.length > 0)
verbose = toBool(args[0], false);
return this._mempoolToJSON(verbose);
});
RPC.prototype._mempoolToJSON = function _mempoolToJSON(verbose) {
var out = {};
var i, hashes, hash, entry;
if (verbose) {
hashes = this.mempool.getSnapshot();
for (i = 0; i < hashes.length; i++) {
hash = hashes[i];
entry = this.mempool.getEntry(hash);
if (!entry)
continue;
out[entry.tx.txid()] = this._entryToJSON(entry);
}
return out;
}
hashes = this.mempool.getSnapshot();
return hashes.map(util.revHex);
};
RPC.prototype._entryToJSON = function _entryToJSON(entry) {
return {
size: entry.size,
fee: Amount.btc(entry.fee, true),
modifiedfee: 0,
time: entry.ts,
height: entry.height,
startingpriority: entry.priority,
currentpriority: entry.getPriority(this.chain.height),
descendantcount: this.mempool.countDescendants(entry),
descendantsize: entry.descSize,
descendantfees: Amount.btc(entry.descFee, true),
ancestorcount: this.mempool.countAncestors(entry),
ancestorsize: 0,
ancestorfees: 0,
depends: this.mempool.getDepends(entry.tx).map(util.revHex)
};
};
RPC.prototype.gettxout = co(function* gettxout(args, help) {
var hash, index, mempool, coin;
if (help || args.length < 2 || args.length > 3)
throw new RPCError('gettxout "txid" n ( includemempool )');
if (this.chain.options.spv)
throw new RPCError('Cannot get coins in SPV mode.');
if (this.chain.options.prune)
throw new RPCError('Cannot get coins when pruned.');
hash = toHash(args[0]);
index = toNumber(args[1]);
mempool = true;
if (args.length > 2)
mempool = toBool(args[2], true);
if (!hash || index < 0)
throw new RPCError('Invalid parameter.');
if (mempool)
coin = this.mempool.getCoin(hash, index);
if (!coin)
coin = yield this.chain.db.getCoin(hash, index);
if (!coin)
return null;
return {
bestblock: this.chain.tip.rhash(),
confirmations: coin.getDepth(this.chain.height),
value: Amount.btc(coin.value, true),
scriptPubKey: this._scriptToJSON(coin.script, true),
version: coin.version,
coinbase: coin.coinbase
};
});
RPC.prototype.gettxoutproof = co(function* gettxoutproof(args, help) {
var uniq = {};
var i, txids, block, hash, txid, tx, coins;
if (help || (args.length !== 1 && args.length !== 2))
throw new RPCError('gettxoutproof ["txid",...] ( blockhash )');
if (this.chain.options.spv)
throw new RPCError('Cannot get coins in SPV mode.');
if (this.chain.options.prune)
throw new RPCError('Cannot get coins when pruned.');
txids = toArray(args[0]);
hash = args[1];
if (!txids || txids.length === 0)
throw new RPCError('Invalid parameter.');
if (hash) {
hash = toHash(hash);
if (!hash)
throw new RPCError('Invalid parameter.');
}
for (i = 0; i < txids.length; i++) {
txid = toHash(txids[i]);
if (!txid)
throw new RPCError('Invalid parameter.');
if (uniq[txid])
throw new RPCError('Duplicate txid.');
uniq[txid] = true;
txids[i] = txid;
}
if (hash) {
block = yield this.chain.db.getBlock(hash);
} else if (this.chain.options.indexTX) {
tx = yield this.chain.db.getMeta(txid);
if (!tx)
return;
block = yield this.chain.db.getBlock(tx.block);
} else {
coins = yield this.chain.db.getCoins(txid);
if (!coins)
return;
block = yield this.chain.db.getBlock(coins.height);
}
if (!block)
throw new RPCError('Block not found.');
for (i = 0; i < txids.length; i++) {
txid = txids[i];
if (!block.hasTX(txid))
throw new RPCError('Block does not contain all txids.');
}
block = MerkleBlock.fromHashes(block, txids);
return block.toRaw().toString('hex');
});
RPC.prototype.verifytxoutproof = co(function* verifytxoutproof(args, help) {
var out = [];
var i, block, hash, entry;
if (help || args.length !== 1)
throw new RPCError('verifytxoutproof "proof"');
block = MerkleBlock.fromRaw(toString(args[0]), 'hex');
if (!block.verify())
return out;
entry = yield this.chain.db.getEntry(block.hash('hex'));
if (!entry)
throw new RPCError('Block not found in chain.');
for (i = 0; i < block.matches.length; i++) {
hash = block.matches[i];
out.push(util.revHex(hash));
}
return out;
});
RPC.prototype.gettxoutsetinfo = co(function* gettxoutsetinfo(args, help) {
if (help || args.length !== 0)
throw new RPCError('gettxoutsetinfo');
if (this.chain.options.spv)
throw new RPCError('Chainstate not available (SPV mode).');
return {
height: this.chain.height,
bestblock: this.chain.tip.rhash(),
transactions: this.chain.db.state.tx,
txouts: this.chain.db.state.coin,
bytes_serialized: 0,
hash_serialized: 0,
total_amount: Amount.btc(this.chain.db.state.value, true)
};
});
RPC.prototype.verifychain = co(function* verifychain(args, help) {
if (help || args.length > 2)
throw new RPCError('verifychain ( checklevel numblocks )');
if (this.chain.options.spv)
throw new RPCError('Cannot verify chain in SPV mode.');
if (this.chain.options.prune)
throw new RPCError('Cannot verify chain when pruned.');
return null;
});
/*
* Mining
*/
RPC.prototype._submitwork = co(function* _submitwork(data) {
var unlock = yield this.locker.lock();
try {
return yield this.__submitwork(data);
} finally {
unlock();
}
});
RPC.prototype.__submitwork = co(function* _submitwork(data) {
var attempt = this.attempt;
var block, header, cb, cur;
if (data.length !== 128)
throw new RPCError('Invalid parameter.');
if (!attempt)
return false;
data = data.slice(0, 80);
reverseEndian(data);
header = Headers.fromAbbr(data);
block = attempt.block;
if (header.prevBlock !== block.prevBlock
|| header.bits !== block.bits) {
return false;
}
if (!header.verify())
return false;
cb = this.coinbase[header.merkleRoot];
if (!cb)
return false;
cur = block.txs[0];
block.txs[0] = cb;
attempt.updateMerkle();
if (header.merkleRoot !== block.merkleRoot) {
block.txs[0] = cur;
attempt.updateMerkle();
this.logger.warning('Bad calculated merkle root for submitted work.');
return false;
}
block.ts = header.ts;
attempt.commit(header.nonce);
try {
yield this.chain.add(block);
} catch (err) {
if (err.type === 'VerifyError') {
this.logger.warning('RPC block rejected: %s (%s).',
block.rhash(), err.reason);
return false;
}
throw err;
}
return true;
});
RPC.prototype._creatework = co(function* _creatework(data) {
var unlock = yield this.locker.lock();
try {
return yield this.__creatework(data);
} finally {
unlock();
}
});
RPC.prototype.__creatework = co(function* _creatework() {
var attempt = yield this._getAttempt(true);
var data, abbr;
data = new Buffer(128);
data.fill(0);
abbr = attempt.block.abbr();
abbr.copy(data, 0);
data[80] = 0x80;
data.writeUInt32BE(80 * 8, data.length - 4, true);
reverseEndian(data);
return {
data: data.toString('hex'),
target: attempt.target.toString('hex'),
height: attempt.height
};
});
RPC.prototype.getworklp = co(function* getworklp(args, help) {
yield this._onBlock();
return yield this._creatework();
});
RPC.prototype.getwork = co(function* getwork(args, help) {
var data;
if (args.length > 1)
throw new RPCError('getwork ( "data" )');
if (args.length === 1) {
if (!util.isHex(args[0]))
throw new RPCError('Invalid parameter.');
data = new Buffer(args[0], 'hex');
return yield this._submitwork(data);
}
return yield this._creatework();
});
RPC.prototype.submitblock = co(function* submitblock(args, help) {
var block, tx;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('submitblock "hexdata" ( "jsonparametersobject" )');
block = Block.fromRaw(toString(args[0]), 'hex');
// Fix eloipool bug (witness nonce is not present).
if (this.chain.state.hasWitness() && block.getCommitmentHash()) {
tx = block.txs[0];
if (!tx.hasWitness()) {
this.logger.warning('Submitted block had no witness nonce.');
this.logger.debug(tx);
// Recreate witness nonce (all zeroes).
tx.inputs[0].witness.set(0, encoding.ZERO_HASH);
tx.inputs[0].witness.compile();
tx.refresh();
block.refresh();
}
}
return yield this._submitblock(block);
});
RPC.prototype._submitblock = co(function* submitblock(block) {
var unlock = yield this.locker.lock();
try {
return yield this.__submitblock(block);
} finally {
unlock();
}
});
RPC.prototype.__submitblock = co(function* submitblock(block) {
this.logger.info('Handling submitted block: %s.', block.rhash());
try {
yield this.chain.add(block);
} catch (err) {
if (err.type === 'VerifyError') {
this.logger.warning('RPC block rejected: %s (%s).',
block.rhash(), err.reason);
return 'rejected: ' + err.reason;
}
throw err;
}
return null;
});
RPC.prototype.getblocktemplate = co(function* getblocktemplate(args, help) {
var mode = 'template';
var version = -1;
var coinbase = false;
var rules = [];
var i, opt, lpid, cap, block;
var coinbasevalue, coinbasetxn;
if (help || args.length > 1)
throw new RPCError('getblocktemplate ( "jsonrequestobject" )');
if (args.length === 1) {
opt = args[0] || {};
if (opt.mode != null) {
mode = opt.mode;
if (mode !== 'template' && mode !== 'proposal')
throw new RPCError('Invalid mode.');
}
lpid = opt.longpollid;
if (mode === 'proposal') {
if (!util.isHex(opt.data))
throw new RPCError('Invalid parameter.');
block = Block.fromRaw(opt.data, 'hex');
return yield this._submitblock(block);
}
if (Array.isArray(opt.rules)) {
for (i = 0; i < opt.rules.length; i++)
rules.push(toString(opt.rules[i]));
} else if (util.isNumber(opt.maxversion)) {
version = opt.maxversion;
}
if (Array.isArray(opt.capabilities)) {
for (i = 0; i < opt.capabilities.length; i++) {
cap = toString(opt.capabilities[i]);
switch (cap) {
case 'coinbasetxn':
coinbasetxn = true;
break;
case 'coinbasevalue':
coinbasevalue = true;
break;
case 'coinbase/append':
break;
}
}
if (coinbasetxn)
coinbase = true;
}
}
if (!this.network.selfConnect) {
if (this.pool.peers.size() === 0)
throw new RPCError('Bitcoin is not connected!');
if (!this.chain.synced)
throw new RPCError('Bitcoin is downloading blocks...');
}
yield this._poll(lpid);
return yield this._template(version, coinbase, rules);
});
RPC.prototype._template = co(function* _template(version, coinbase, rules) {
var unlock = yield this.locker.lock();
try {
return yield this.__template(version, coinbase, rules);
} finally {
unlock();
}
});
RPC.prototype.__template = co(function* _template(version, coinbase, rules) {
var attempt = yield this._getAttempt(false);
var scale = attempt.witness ? 1 : consensus.WITNESS_SCALE_FACTOR;
var block = attempt.block;
var mutable = ['time', 'transactions', 'prevblock'];
var txs = [];
var index = {};
var vbavailable = {};
var vbrules = [];
var i, j, entry, tx, input, output;
var dep, deps, json, name, deploy;
var state;
for (i = 0; i < attempt.items.length; i++) {
entry = attempt.items[i];
index[entry.hash] = i;
}
for (i = 0; i < attempt.items.length; i++) {
entry = attempt.items[i];
tx = entry.tx;
deps = [];
for (j = 0; j < tx.inputs.length; j++) {
input = tx.inputs[j];
dep = index[input.prevout.hash];
if (dep != null && deps.indexOf(dep) === -1) {
assert(dep < i);
deps.push(dep);
}
}
txs.push({
data: tx.toRaw().toString('hex'),
txid: tx.txid(),
hash: tx.wtxid(),
depends: deps,
fee: entry.fee,
sigops: entry.sigops / scale | 0,
weight: tx.getWeight()
});
}
if (version >= 2)
mutable.push('version/force');
for (i = 0; i < this.network.deploys.length; i++) {
deploy = this.network.deploys[i];
state = yield this.chain.getState(this.chain.tip, deploy);
name = deploy.name;
switch (state) {
case common.thresholdStates.DEFINED:
case common.thresholdStates.FAILED:
break;
case common.thresholdStates.LOCKED_IN:
block.version |= 1 << deploy.bit;
case common.thresholdStates.STARTED:
if (!deploy.force) {
if (rules.indexOf(name) === -1)
block.version &= ~(1 << deploy.bit);
name = '!' + name;
}
vbavailable[name] = deploy.bit;
break;
case common.thresholdStates.ACTIVE:
if (!deploy.force) {
if (rules.indexOf(name) === -1)
throw new RPCError('Client must support ' + name + '.');
name = '!' + name;
}
vbrules.push(name);
break;
default:
assert(false, 'Bad state.');
break;
}
}
block.version >>>= 0;
json = {
capabilities: ['proposal'],
mutable: mutable,
version: block.version,
rules: vbrules,
vbavailable: vbavailable,
vbrequired: 0,
height: attempt.height,
previousblockhash: util.revHex(block.prevBlock),
target: util.revHex(attempt.target.toString('hex')),
bits: util.hex32(block.bits),
noncerange: '00000000ffffffff',
curtime: block.ts,
mintime: block.ts,
maxtime: block.ts + 7200,
expires: block.ts + 7200,
sigoplimit: consensus.MAX_BLOCK_SIGOPS_COST / scale | 0,
sizelimit: consensus.MAX_BLOCK_SIZE,
weightlimit: undefined,
longpollid: this.chain.tip.rhash() + util.pad32(this._totalTX()),
submitold: false,
coinbaseaux: {
flags: attempt.coinbaseFlags.toString('hex')
},
coinbasevalue: attempt.coinbase.getOutputValue(),
coinbasetxn: undefined,
default_witness_commitment: undefined,
transactions: txs
};
// See:
// bitcoin/bitcoin#9fc7f0bce94f1cea0239b1543227f22a3f3b9274
if (attempt.witness) {
json.sizelimit = consensus.MAX_RAW_BLOCK_SIZE;
json.weightlimit = consensus.MAX_BLOCK_WEIGHT;
}
if (coinbase) {
tx = attempt.coinbase;
// We don't include the commitment
// output (see bip145).
if (attempt.witness) {
output = tx.outputs.pop();
assert(output.script.isCommitment());
}
json.coinbasetxn = {
data: tx.toRaw().toString('hex'),
txid: tx.txid(),
hash: tx.wtxid(),
depends: [],
fee: 0,
sigops: tx.getSigopsCost() / scale | 0,
weight: tx.getWeight()
};
if (attempt.witness)
tx.outputs.push(output);
}
if (attempt.witness) {
tx = attempt.coinbase;
output = tx.outputs[tx.outputs.length - 1];
assert(output.script.isCommitment());
json.default_witness_commitment = output.script.toJSON();
}
return json;
});
RPC.prototype._poll = co(function* _poll(lpid) {
var watched, lastTX;
if (typeof lpid !== 'string')
return;
if (lpid.length !== 74)
throw new RPCError('Invalid parameter.');
watched = lpid.slice(0, 64);
lastTX = +lpid.slice(64, 74);
if (!util.isHex(watched) || !util.isNumber(lastTX))
throw new RPCError('Invalid parameter.');
watched = util.revHex(watched);
if (this.chain.tip.hash !== watched)
return;
yield this._onBlock();
});
RPC.prototype._onBlock = function _onBlock() {
var self = this;
return new Promise(function(resolve, reject) {
self.once('clear block', resolve);
});
};
RPC.prototype._clearBlock = function _clearBlock() {
this.attempt = null;
this.start = 0;
this.coinbase = {};
this.emit('clear block');
};
RPC.prototype._bindChain = function _bindChain() {
var self = this;
if (this._boundChain)
return;
this._boundChain = true;
this.node.on('connect', function() {
if (!self.attempt)
return;
self._clearBlock();
});
if (!this.mempool)
return;
this.node.on('tx', function() {
if (!self.attempt)
return;
if (util.now() - self.start > 10)
self._clearBlock();
});
};
RPC.prototype._getAttempt = co(function* _getAttempt(update) {
var attempt = this.attempt;
var block;
this._bindChain();
if (attempt) {
block = attempt.block;
if (update) {
attempt.updateNonce();
this.coinbase[block.merkleRoot] = attempt.coinbase.clone();
}
return attempt;
}
attempt = yield this.miner.createBlock();
block = attempt.block;
this.attempt = attempt;
this.start = util.now();
this.coinbase[block.merkleRoot] = attempt.coinbase.clone();
return attempt;
});
RPC.prototype._totalTX = function _totalTX() {
return this.mempool ? this.mempool.totalTX : 0;
};
RPC.prototype.getmininginfo = co(function* getmininginfo(args, help) {
var attempt = this.attempt;
var hashps;
if (help || args.length !== 0)
throw new RPCError('getmininginfo');
hashps = yield this._hashps(120, -1);
return {
blocks: this.chain.height,
currentblocksize: attempt ? attempt.block.getBaseSize() : 0,
currentblocktx: attempt ? attempt.block.txs.length : 0,
difficulty: this._getDifficulty(),
errors: '',
genproclimit: this.proclimit,
networkhashps: hashps,
pooledtx: this._totalTX(),
testnet: this.network !== Network.main,
chain: 'main',
generate: this.mining
};
});
RPC.prototype.getnetworkhashps = co(function* getnetworkhashps(args, help) {
var lookup = 120;
var height = -1;
if (help || args.length > 2)
throw new RPCError('getnetworkhashps ( blocks height )');
if (args.length > 0)
lookup = toNumber(args[0], 120);
if (args.length > 1)
height = toNumber(args[1], -1);
return yield this._hashps(lookup, height);
});
RPC.prototype.prioritisetransaction = co(function* prioritisetransaction(args, help) {
var hash, pri, fee, entry;
if (help || args.length !== 3) {
throw new RPCError('prioritisetransaction'
+ ' <txid> <priority delta> <fee delta>');
}
if (!this.mempool)
throw new RPCError('No mempool available.');
hash = toHash(args[0]);
pri = args[1];
fee = args[2];
if (!hash)
throw new RPCError('Invalid parameter');
if (!util.isNumber(pri) || !util.isNumber(fee))
throw new RPCError('Invalid parameter');
entry = this.mempool.getEntry(hash);
if (!entry)
throw new RPCError('Transaction not in mempool.');
entry.priority += pri;
entry.fee += fee;
if (entry.priority < 0)
entry.priority = 0;
if (entry.fee < 0)
entry.fee = 0;
return true;
});
RPC.prototype._hashps = co(function* _hashps(lookup, height) {
var tip = this.chain.tip;
var i, minTime, maxTime, workDiff, timeDiff, ps, entry;
if (height !== -1)
tip = yield this.chain.db.getEntry(height);
if (!tip)
return 0;
if (lookup <= 0)
lookup = tip.height % this.network.pow.retargetInterval + 1;
if (lookup > tip.height)
lookup = tip.height;
minTime = tip.ts;
maxTime = minTime;
entry = tip;
for (i = 0; i < lookup; i++) {
entry = yield entry.getPrevious();
if (!entry)
throw new RPCError('Not found.');
minTime = Math.min(entry.ts, minTime);
maxTime = Math.max(entry.ts, maxTime);
}
if (minTime === maxTime)
return 0;
workDiff = tip.chainwork.sub(entry.chainwork);
timeDiff = maxTime - minTime;
ps = +workDiff.toString(10) / timeDiff;
return ps;
});
RPC.prototype.verifyblock = co(function* verifyblock(args, help) {
var block;
if (help || args.length !== 1)
throw new RPCError('verifyblock "block-hex"');
if (typeof args[0] !== 'string')
throw new RPCError('Invalid parameters.');
if (this.chain.options.spv)
throw new RPCError('Cannot verify block in SPV mode.');
block = Block.fromRaw(args[0], 'hex');
try {
yield this.chain.verifyBlock(block);
} catch (e) {
if (e.type === 'VerifyError')
return e.reason;
throw e;
}
return null;
});
/*
* Coin generation
*/
RPC.prototype.getgenerate = co(function* getgenerate(args, help) {
if (help || args.length !== 0)
throw new RPCError('getgenerate');
return this.mining;
});
RPC.prototype.setgenerate = co(function* setgenerate(args, help) {
if (help || args.length < 1 || args.length > 2)
throw new RPCError('setgenerate mine ( proclimit )');
this.mining = toBool(args[0]);
this.proclimit = toNumber(args[1], 0);
if (this.mining)
this.miner.start().catch(util.nop);
else
yield this.miner.stop();
return this.mining;
});
RPC.prototype.generate = co(function* generate(args, help) {
var unlock = yield this.locker.lock();
try {
return yield this._generate(args);
} finally {
unlock();
}
});
RPC.prototype._generate = co(function* generate(args, help) {
var numblocks;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('generate numblocks ( maxtries )');
numblocks = toNumber(args[0], 1);
return yield this._generateBlocks(numblocks);
});
RPC.prototype._generateBlocks = co(function* _generateBlocks(blocks, address) {
var hashes = [];
var i, block;
for (i = 0; i < blocks; i++) {
block = yield this.miner.mineBlock(null, address);
hashes.push(block.rhash());
yield this.chain.add(block);
}
return hashes;
});
RPC.prototype.generatetoaddress = co(function* generatetoaddress(args, help) {
var unlock = yield this.locker.lock();
try {
return yield this._generatetoaddress(args);
} finally {
unlock();
}
});
RPC.prototype._generatetoaddress = co(function* generatetoaddress(args, help) {
var numblocks, address;
if (help || args.length < 2 || args.length > 3)
throw new RPCError('generatetoaddress numblocks address ( maxtries )');
numblocks = toNumber(args[0], 1);
address = Address.fromBase58(toString(args[1]), this.network);
return yield this._generateBlocks(numblocks, address);
});
/*
* Raw transactions
*/
RPC.prototype.createrawtransaction = co(function* createrawtransaction(args, help) {
var inputs, sendTo, tx, locktime;
var i, input, output, hash, index, sequence;
var keys, addrs, key, value, address, b58;
if (help || args.length < 2 || args.length > 3) {
throw new RPCError('createrawtransaction'
+ ' [{"txid":"id","vout":n},...]'
+ ' {"address":amount,"data":"hex",...}'
+ ' ( locktime )');
}
inputs = toArray(args[0]);
sendTo = toObject(args[1]);
if (!inputs || !sendTo)
throw new RPCError('Invalid parameter');
tx = new TX();
if (args.length > 2 && args[2] != null) {
locktime = toNumber(args[2]);
if (!util.isUInt32(locktime))
throw new RPCError('Locktime out of range');
tx.locktime = locktime;
}
for (i = 0; i < inputs.length; i++) {
input = inputs[i];
if (!input)
throw new RPCError('Invalid parameter');
hash = toHash(input.txid);
index = input.vout;
sequence = 0xffffffff;
if (tx.locktime)
sequence--;
if (!hash || !util.isUInt32(index))
throw new RPCError('Invalid parameter');
if (util.isNumber(input.sequence)) {
sequence = toNumber(input.sequence);
if (!util.isUInt32(sequence))
throw new RPCError('Invalid parameter');
}
input = new Input();
input.prevout.hash = hash;
input.prevout.index = index;
input.sequence = sequence;
tx.inputs.push(input);
}
keys = Object.keys(sendTo);
addrs = {};
for (i = 0; i < keys.length; i++) {
key = keys[i];
value = sendTo[key];
if (key === 'data') {
value = new Buffer(value, 'hex');
output = new Output();
output.value = 0;
output.script.fromNulldata(value);
tx.outputs.push(output);
continue;
}
address = Address.fromBase58(key, this.network);
b58 = address.toBase58(this.network);
if (addrs[b58])
throw new RPCError('Duplicate address');
addrs[b58] = true;
output = new Output();
output.value = toSatoshi(value);
output.script.fromAddress(address);
tx.outputs.push(output);
}
return tx.toRaw().toString('hex');
});
RPC.prototype.decoderawtransaction = co(function* decoderawtransaction(args, help) {
var tx;
if (help || args.length !== 1)
throw new RPCError('decoderawtransaction "hexstring"');
tx = TX.fromRaw(toString(args[0]), 'hex');
return this._txToJSON(tx);
});
RPC.prototype.decodescript = co(function* decodescript(args, help) {
var data, script, address;
if (help || args.length !== 1)
throw new RPCError('decodescript "hex"');
data = toString(args[0]);
script = new Script();
if (data.length > 0)
script.fromRaw(new Buffer(data, 'hex'));
address = Address.fromScripthash(script.hash160());
script = this._scriptToJSON(script);
script.p2sh = address.toBase58(this.network);
return script;
});
RPC.prototype.getrawtransaction = co(function* getrawtransaction(args, help) {
var hash, verbose, json, meta, tx, entry;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getrawtransaction "txid" ( verbose )');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter');
verbose = false;
if (args.length > 1)
verbose = toBool(args[1]);
meta = yield this.node.getMeta(hash);
if (!meta)
throw new RPCError('Transaction not found.');
tx = meta.tx;
if (!verbose)
return tx.toRaw().toString('hex');
if (meta.block)
entry = yield this.chain.db.getEntry(meta.block);
json = this._txToJSON(tx, entry);
json.time = meta.ps;
json.hex = tx.toRaw().toString('hex');
return json;
});
RPC.prototype.sendrawtransaction = co(function* sendrawtransaction(args, help) {
var tx;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('sendrawtransaction "hexstring" ( allowhighfees )');
if (!util.isHex(args[0]))
throw new RPCError('Invalid parameter');
tx = TX.fromRaw(args[0], 'hex');
this.node.relay(tx);
return tx.txid();
});
RPC.prototype.signrawtransaction = co(function* signrawtransaction(args, help) {
var wallet = this.wallet;
var tx;
if (help || args.length < 1 || args.length > 4) {
throw new RPCError('signrawtransaction'
+ ' "hexstring" ('
+ ' [{"txid":"id","vout":n,"scriptPubKey":"hex",'
+ 'redeemScript":"hex"},...] ["privatekey1",...]'
+ ' sighashtype )');
}
if (!util.isHex(args[0]))
throw new RPCError('Invalid parameter');
tx = MTX.fromRaw(args[0], 'hex');
tx.view = yield wallet.getCoinView(tx);
return yield this._signrawtransaction(wallet, tx, args);
});
RPC.prototype._signrawtransaction = co(function* signrawtransaction(wallet, tx, args) {
var type = Script.hashType.ALL;
var keys = [];
var keyMap = {};
var i, j, k, secret, key;
var coin, prevout, prev;
var hash, index, script, value;
var redeem, op, parts;
if (args.length > 2 && Array.isArray(args[2])) {
k = args[2];
for (i = 0; i < k.length; i++) {
secret = k[i];
if (typeof secret !== 'string')
throw new RPCError('Invalid parameter');
key = KeyRing.fromSecret(secret, this.network);
keyMap[key.getPublicKey('hex')] = key;
keys.push(key);
}
}
if (args.length > 1 && Array.isArray(args[1])) {
prevout = args[1];
for (i = 0; i < prevout.length; i++) {
prev = prevout[i];
if (!prev || typeof prev !== 'object')
throw new RPCError('Invalid parameter');
hash = toHash(prev.txid);
index = prev.vout;
script = prev.scriptPubKey;
value = toSatoshi(prev.amount);
if (!hash
|| !util.isUInt32(index)
|| !util.isHex(script)) {
throw new RPCError('Invalid parameter');
}
script = Script.fromRaw(script, 'hex');
coin = new Output();
coin.script = script;
coin.value = value;
tx.view.addOutput(hash, index, coin);
if (keys.length === 0 || !util.isHex(prev.redeemScript))
continue;
if (script.isScripthash() || script.isWitnessScripthash()) {
redeem = Script.fromRaw(prev.redeemScript, 'hex');
for (j = 0; j < redeem.code.length; j++) {
op = redeem.code[j];
if (!op.data)
continue;
key = keyMap[op.data.toString('hex')];
if (key) {
key.script = redeem;
key.witness = script.isWitnessScripthash();
key.refresh();
break;
}
}
}
}
}
if (args.length > 3) {
parts = toString(args[3]).split('|');
type = Script.hashType[parts[0]];
if (type == null)
throw new RPCError('Invalid parameter');
if (parts.length > 2)
throw new RPCError('Invalid parameter');
if (parts.length === 2) {
if (parts[1] !== 'ANYONECANPAY')
throw new RPCError('Invalid parameter');
type |= Script.hashType.ANYONECANPAY;
}
}
yield tx.signAsync(keys, type);
yield wallet.sign(tx, { type: type });
return {
hex: tx.toRaw().toString('hex'),
complete: tx.isSigned()
};
});
RPC.prototype.fundrawtransaction = co(function* fundrawtransaction(args, help) {
var wallet = this.wallet;
var feeRate = this.feeRate;
var tx, options, changeAddress;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('fundrawtransaction "hexstring" ( options )');
if (!util.isHex(args[0]))
throw new RPCError('Invalid parameter.');
tx = MTX.fromRaw(args[0], 'hex');
if (tx.outputs.length === 0)
throw new RPCError('TX must have at least one output.');
if (args.length > 1) {
options = toObject(args[1]);
changeAddress = toString(options.changeAddress);
if (changeAddress)
changeAddress = Address.fromBase58(changeAddress, this.network);
feeRate = options.feeRate;
if (feeRate != null)
feeRate = toSatoshi(feeRate);
}
options = {
rate: feeRate,
changeAddress: changeAddress
};
yield wallet.fund(tx, options);
return {
hex: tx.toRaw().toString('hex'),
changepos: tx.changeIndex,
fee: Amount.btc(tx.getFee(), true)
};
});
RPC.prototype._createRedeem = co(function* _createRedeem(args, help) {
var wallet = this.wallet;
var i, m, n, keys, hash, script, key, ring;
if (!util.isNumber(args[0])
|| !Array.isArray(args[1])
|| args[0] < 1
|| args[1].length < args[0]
|| args[1].length > 16) {
throw new RPCError('Invalid parameter.');
}
m = args[0];
n = args[1].length;
keys = args[1];
for (i = 0; i < keys.length; i++) {
key = keys[i];
if (!util.isBase58(key)) {
if (!util.isHex(key))
throw new RPCError('Invalid key.');
keys[i] = new Buffer(key, 'hex');
continue;
}
hash = Address.getHash(key, 'hex');
if (!hash)
throw new RPCError('Invalid key.');
ring = yield wallet.getKey(hash);
if (!ring)
throw new RPCError('Invalid key.');
keys[i] = ring.publicKey;
}
try {
script = Script.fromMultisig(m, n, keys);
} catch (e) {
throw new RPCError('Invalid parameters.');
}
if (script.getSize() > consensus.MAX_SCRIPT_PUSH)
throw new RPCError('Redeem script exceeds size limit.');
return script;
});
/*
* Utility Functions
*/
RPC.prototype.createmultisig = co(function* createmultisig(args, help) {
var script, address;
if (help || args.length < 2 || args.length > 2)
throw new RPCError('createmultisig nrequired ["key",...]');
script = yield this._createRedeem(args);
address = script.getAddress();
return {
address: address.toBase58(this.network),
redeemScript: script.toJSON()
};
});
RPC.prototype.createwitnessaddress = co(function* createwitnessaddress(args, help) {
var raw, script, program, address;
if (help || args.length !== 1)
throw new RPCError('createwitnessaddress "script"');
raw = toString(args[1]);
script = Script.fromRaw(raw, 'hex');
program = script.forWitness();
address = program.getAddress();
return {
address: address.toBase58(this.network),
witnessScript: program.toJSON()
};
});
RPC.prototype.validateaddress = co(function* validateaddress(args, help) {
var wallet = this.wallet;
var b58, address, json, path, script;
if (help || args.length !== 1)
throw new RPCError('validateaddress "bitcoinaddress"');
b58 = toString(args[0]);
try {
address = Address.fromBase58(b58, this.network);
} catch (e) {
return {
isvalid: false
};
}
path = yield wallet.getPath(address);
script = Script.fromAddress(address);
json = {
isvalid: true,
address: address.toBase58(this.network),
scriptPubKey: script.toJSON(),
ismine: path ? true : false,
iswatchonly: path ? wallet.watchOnly : false,
account: undefined,
hdkeypath: undefined
};
if (!path)
return json;
json.account = path.name;
json.hdkeypath = path.toPath();
return json;
});
RPC.prototype.verifymessage = co(function* verifymessage(args, help) {
var address, sig, msg, hash, key;
if (help || args.length !== 3)
throw new RPCError('verifymessage "bitcoinaddress" "signature" "message"');
address = toString(args[0]);
sig = toString(args[1]);
msg = toString(args[2]);
hash = Address.getHash(address);
if (!hash)
throw new RPCError('Invalid address.');
sig = new Buffer(sig, 'base64');
msg = new Buffer(RPC.magic + msg, 'utf8');
msg = crypto.hash256(msg);
key = ec.recover(msg, sig, 0, true);
if (!key)
return false;
key = crypto.hash160(key);
return crypto.ccmp(key, hash);
});
RPC.prototype.signmessagewithprivkey = co(function* signmessagewithprivkey(args, help) {
var key, msg, sig;
if (help || args.length !== 2)
throw new RPCError('signmessagewithprivkey "privkey" "message"');
key = toString(args[0]);
msg = toString(args[1]);
key = KeyRing.fromSecret(key, this.network);
msg = new Buffer(RPC.magic + msg, 'utf8');
msg = crypto.hash256(msg);
sig = key.sign(msg);
return sig.toString('base64');
});
RPC.prototype.estimatefee = co(function* estimatefee(args, help) {
var blocks, fee;
if (help || args.length !== 1)
throw new RPCError('estimatefee nblocks');
if (!this.fees)
throw new RPCError('Fee estimation not available.');
blocks = toNumber(args[0], 1);
if (blocks < 1)
blocks = 1;
fee = this.fees.estimateFee(blocks, false);
if (fee === 0)
fee = -1;
else
fee = Amount.btc(fee, true);
return fee;
});
RPC.prototype.estimatepriority = co(function* estimatepriority(args, help) {
var blocks, pri;
if (help || args.length !== 1)
throw new RPCError('estimatepriority nblocks');
if (!this.fees)
throw new RPCError('Priority estimation not available.');
blocks = toNumber(args[0], 1);
if (blocks < 1)
blocks = 1;
pri = this.fees.estimatePriority(blocks, false);
return pri;
});
RPC.prototype.estimatesmartfee = co(function* estimatesmartfee(args, help) {
var blocks, fee;
if (help || args.length !== 1)
throw new RPCError('estimatesmartfee nblocks');
if (!this.fees)
throw new RPCError('Fee estimation not available.');
blocks = toNumber(args[0], 1);
if (blocks < 1)
blocks = 1;
fee = this.fees.estimateFee(blocks, true);
if (fee === 0)
fee = -1;
else
fee = Amount.btc(fee, true);
return {
fee: fee,
blocks: blocks
};
});
RPC.prototype.estimatesmartpriority = co(function* estimatesmartpriority(args, help) {
var blocks, pri;
if (help || args.length !== 1)
throw new RPCError('estimatesmartpriority nblocks');
if (!this.fees)
throw new RPCError('Priority estimation not available.');
blocks = toNumber(args[0], 1);
if (blocks < 1)
blocks = 1;
pri = this.fees.estimatePriority(blocks, true);
return {
priority: pri,
blocks: blocks
};
});
RPC.prototype.invalidateblock = co(function* invalidateblock(args, help) {
var hash;
if (help || args.length !== 1)
throw new RPCError('invalidateblock "hash"');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Block not found.');
this.chain.setInvalid(hash);
return null;
});
RPC.prototype.reconsiderblock = co(function* reconsiderblock(args, help) {
var hash;
if (help || args.length !== 1)
throw new RPCError('reconsiderblock "hash"');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Block not found.');
this.chain.removeInvalid(hash);
return null;
});
RPC.prototype.setmocktime = co(function* setmocktime(args, help) {
var ts, delta;
if (help || args.length !== 1)
throw new RPCError('setmocktime timestamp');
ts = toNumber(args[0]);
if (ts < 0)
throw new RPCError('Invalid parameter.');
this.network.time.offset = 0;
delta = this.network.now() - ts;
this.network.time.offset = -delta;
return null;
});
/*
* Wallet
*/
RPC.prototype.resendwallettransactions = co(function* resendwallettransactions(args, help) {
var wallet = this.wallet;
var hashes = [];
var i, tx, txs;
if (help || args.length !== 0)
throw new RPCError('resendwallettransactions');
txs = yield wallet.resend();
for (i = 0; i < txs.length; i++) {
tx = txs[i];
hashes.push(tx.txid());
}
return hashes;
});
RPC.prototype.addmultisigaddress = co(function* addmultisigaddress(args, help) {
if (help || args.length < 2 || args.length > 3) {
throw new RPCError('addmultisigaddress'
+ ' nrequired ["key",...] ( "account" )');
}
// Impossible to implement in bcoin (no address book).
throw new Error('Not implemented.');
});
RPC.prototype.addwitnessaddress = co(function* addwitnessaddress(args, help) {
if (help || args.length < 1 || args.length > 1)
throw new RPCError('addwitnessaddress "address"');
// Unlikely to be implemented.
throw new Error('Not implemented.');
});
RPC.prototype.backupwallet = co(function* backupwallet(args, help) {
var dest;
if (help || args.length !== 1)
throw new RPCError('backupwallet "destination"');
dest = toString(args[0]);
yield this.walletdb.backup(dest);
return null;
});
RPC.prototype.dumpprivkey = co(function* dumpprivkey(args, help) {
var wallet = this.wallet;
var hash, ring;
if (help || args.length !== 1)
throw new RPCError('dumpprivkey "bitcoinaddress"');
hash = Address.getHash(toString(args[0]), 'hex');
if (!hash)
throw new RPCError('Invalid address.');
ring = yield wallet.getPrivateKey(hash);
if (!ring)
throw new RPCError('Key not found.');
return ring.toSecret();
});
RPC.prototype.dumpwallet = co(function* dumpwallet(args, help) {
var wallet = this.wallet;
var i, file, time, address, fmt, str, out, hash, hashes, ring;
if (help || args.length !== 1)
throw new RPCError('dumpwallet "filename"');
if (!args[0] || typeof args[0] !== 'string')
throw new RPCError('Invalid parameter.');
file = toString(args[0]);
time = util.date();
out = [
util.fmt('# Wallet Dump created by Bcoin %s', pkg.version),
util.fmt('# * Created on %s', time),
util.fmt('# * Best block at time of backup was %d (%s),',
this.chain.height, this.chain.tip.rhash()),
util.fmt('# mined on %s', util.date(this.chain.tip.ts)),
util.fmt('# * File: %s', file),
''
];
hashes = yield wallet.getAddressHashes();
for (i = 0; i < hashes.length; i++) {
hash = hashes[i];
ring = yield wallet.getPrivateKey(hash);
if (!ring)
continue;
address = ring.getAddress('base58');
fmt = '%s %s label= addr=%s';
if (ring.branch === 1)
fmt = '%s %s change=1 addr=%s';
str = util.fmt(fmt, ring.toSecret(), time, address);
out.push(str);
}
out.push('');
out.push('# End of dump');
out.push('');
out = out.join('\n');
if (fs.unsupported)
return out;
yield writeFile(file, out);
return out;
});
RPC.prototype.encryptwallet = co(function* encryptwallet(args, help) {
var wallet = this.wallet;
var passphrase;
if (!wallet.master.encrypted && (help || args.length !== 1))
throw new RPCError('encryptwallet "passphrase"');
if (wallet.master.encrypted)
throw new RPCError('Already running with an encrypted wallet');
passphrase = toString(args[0]);
if (passphrase.length < 1)
throw new RPCError('encryptwallet "passphrase"');
yield wallet.setPassphrase(passphrase);
return 'wallet encrypted; we do not need to stop!';
});
RPC.prototype.getaccountaddress = co(function* getaccountaddress(args, help) {
var wallet = this.wallet;
var account;
if (help || args.length !== 1)
throw new RPCError('getaccountaddress "account"');
account = toString(args[0]);
if (!account)
account = 'default';
account = yield wallet.getAccount(account);
if (!account)
return '';
return account.receive.getAddress('base58');
});
RPC.prototype.getaccount = co(function* getaccount(args, help) {
var wallet = this.wallet;
var hash, path;
if (help || args.length !== 1)
throw new RPCError('getaccount "bitcoinaddress"');
hash = Address.getHash(args[0], 'hex');
if (!hash)
throw new RPCError('Invalid address.');
path = yield wallet.getPath(hash);
if (!path)
return '';
return path.name;
});
RPC.prototype.getaddressesbyaccount = co(function* getaddressesbyaccount(args, help) {
var wallet = this.wallet;
var i, path, account, address, addrs, paths;
if (help || args.length !== 1)
throw new RPCError('getaddressesbyaccount "account"');
account = toString(args[0]);
if (!account)
account = 'default';
addrs = [];
paths = yield wallet.getPaths(account);
for (i = 0; i < paths.length; i++) {
path = paths[i];
address = path.toAddress();
addrs.push(address.toBase58(this.network));
}
return addrs;
});
RPC.prototype.getbalance = co(function* getbalance(args, help) {
var wallet = this.wallet;
var minconf = 0;
var account, value, balance;
if (help || args.length > 3)
throw new RPCError('getbalance ( "account" minconf includeWatchonly )');
if (args.length >= 1) {
account = toString(args[0]);
if (!account)
account = 'default';
if (account === '*')
account = null;
}
if (args.length >= 2)
minconf = toNumber(args[1], 0);
balance = yield wallet.getBalance(account);
if (minconf)
value = balance.confirmed;
else
value = balance.unconfirmed;
return Amount.btc(value, true);
});
RPC.prototype.getnewaddress = co(function* getnewaddress(args, help) {
var wallet = this.wallet;
var account, address;
if (help || args.length > 1)
throw new RPCError('getnewaddress ( "account" )');
if (args.length === 1)
account = toString(args[0]);
if (!account)
account = 'default';
address = yield wallet.createReceive(account);
return address.getAddress('base58');
});
RPC.prototype.getrawchangeaddress = co(function* getrawchangeaddress(args, help) {
var wallet = this.wallet;
var address;
if (help || args.length > 1)
throw new RPCError('getrawchangeaddress');
address = yield wallet.createChange();
return address.getAddress('base58');
});
RPC.prototype.getreceivedbyaccount = co(function* getreceivedbyaccount(args, help) {
var wallet = this.wallet;
var minconf = 0;
var total = 0;
var filter = {};
var lastConf = -1;
var i, j, path, wtx, output, conf, hash, account, paths, txs;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getreceivedbyaccount "account" ( minconf )');
account = toString(args[0]);
if (!account)
account = 'default';
if (args.length === 2)
minconf = toNumber(args[1], 0);
paths = yield wallet.getPaths(account);
for (i = 0; i < paths.length; i++) {
path = paths[i];
filter[path.hash] = true;
}
txs = yield wallet.getHistory(account);
for (i = 0; i < txs.length; i++) {
wtx = txs[i];
conf = wtx.getDepth(this.chain.height);
if (conf < minconf)
continue;
if (lastConf === -1 || conf < lastConf)
lastConf = conf;
for (j = 0; j < wtx.tx.outputs.length; j++) {
output = wtx.tx.outputs[j];
hash = output.getHash('hex');
if (hash && filter[hash])
total += output.value;
}
}
return Amount.btc(total, true);
});
RPC.prototype.getreceivedbyaddress = co(function* getreceivedbyaddress(args, help) {
var wallet = this.wallet;
var minconf = 0;
var total = 0;
var i, j, hash, wtx, output, txs;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('getreceivedbyaddress "bitcoinaddress" ( minconf )');
hash = Address.getHash(toString(args[0]), 'hex');
if (!hash)
throw new RPCError('Invalid address');
if (args.length === 2)
minconf = toNumber(args[1], 0);
txs = yield wallet.getHistory();
for (i = 0; i < txs.length; i++) {
wtx = txs[i];
if (wtx.getDepth(this.chain.height) < minconf)
continue;
for (j = 0; j < wtx.tx.outputs.length; j++) {
output = wtx.tx.outputs[j];
if (output.getHash('hex') === hash)
total += output.value;
}
}
return Amount.btc(total, true);
});
RPC.prototype._toWalletTX = co(function* _toWalletTX(wtx) {
var wallet = this.wallet;
var details = yield wallet.toDetails(wtx);
var det = [];
var sent = 0;
var received = 0;
var receive = true;
var i, member;
if (!details)
throw new RPCError('TX not found.');
for (i = 0; i < details.inputs.length; i++) {
member = details.inputs[i];
if (member.path) {
receive = false;
break;
}
}
for (i = 0; i < details.outputs.length; i++) {
member = details.outputs[i];
if (member.path) {
if (member.path.branch === 1)
continue;
det.push({
account: member.path.name,
address: member.address.toBase58(this.network),
category: 'receive',
amount: Amount.btc(member.value, true),
label: member.path.name,
vout: i
});
received += member.value;
continue;
}
if (receive)
continue;
det.push({
account: '',
address: member.address
? member.address.toBase58(this.network)
: null,
category: 'send',
amount: -(Amount.btc(member.value, true)),
fee: -(Amount.btc(details.fee, true)),
vout: i
});
sent += member.value;
}
return {
amount: Amount.btc(receive ? received : -sent, true),
confirmations: details.confirmations,
blockhash: details.block ? util.revHex(details.block) : null,
blockindex: details.index,
blocktime: details.ts,
txid: util.revHex(details.hash),
walletconflicts: [],
time: details.ps,
timereceived: details.ps,
'bip125-replaceable': 'no',
details: det,
hex: details.tx.toRaw().toString('hex')
};
});
RPC.prototype.gettransaction = co(function* gettransaction(args, help) {
var wallet = this.wallet;
var hash, wtx;
if (help || args.length < 1 || args.length > 2)
throw new RPCError('gettransaction "txid" ( includeWatchonly )');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter');
wtx = yield wallet.getTX(hash);
if (!wtx)
throw new RPCError('TX not found.');
return yield this._toWalletTX(wtx);
});
RPC.prototype.abandontransaction = co(function* abandontransaction(args, help) {
var wallet = this.wallet;
var hash, result;
if (help || args.length !== 1)
throw new RPCError('abandontransaction "txid"');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter.');
result = yield wallet.abandon(hash);
if (!result)
throw new RPCError('Transaction not in wallet.');
return null;
});
RPC.prototype.getunconfirmedbalance = co(function* getunconfirmedbalance(args, help) {
var wallet = this.wallet;
var balance;
if (help || args.length > 0)
throw new RPCError('getunconfirmedbalance');
balance = yield wallet.getBalance();
return Amount.btc(balance.unconfirmed, true);
});
RPC.prototype.getwalletinfo = co(function* getwalletinfo(args, help) {
var wallet = this.wallet;
var balance;
if (help || args.length !== 0)
throw new RPCError('getwalletinfo');
balance = yield wallet.getBalance();
return {
walletid: wallet.id,
walletversion: 6,
balance: Amount.btc(balance.unconfirmed, true),
unconfirmed_balance: Amount.btc(balance.unconfirmed, true),
txcount: wallet.txdb.state.tx,
keypoololdest: 0,
keypoolsize: 0,
unlocked_until: wallet.master.until,
paytxfee: this.feeRate != null
? Amount.btc(this.feeRate, true)
: 0
};
});
RPC.prototype.importprivkey = co(function* importprivkey(args, help) {
var wallet = this.wallet;
var secret, label, rescan, key;
if (help || args.length < 1 || args.length > 3)
throw new RPCError('importprivkey "bitcoinprivkey" ( "label" rescan )');
secret = toString(args[0]);
if (args.length > 1)
label = toString(args[1]);
if (args.length > 2)
rescan = toBool(args[2]);
if (rescan && this.chain.options.prune)
throw new RPCError('Cannot rescan when pruned.');
key = KeyRing.fromSecret(secret, this.network);
yield wallet.importKey(0, key);
if (rescan)
yield this.walletdb.rescan(0);
return null;
});
RPC.prototype.importwallet = co(function* importwallet(args, help) {
var wallet = this.wallet;
var file, keys, lines, line, parts;
var i, secret, time, label, addr;
var data, key, rescan;
if (help || args.length !== 1)
throw new RPCError('importwallet "filename" ( rescan )');
if (fs.unsupported)
throw new RPCError('FS not available.');
file = toString(args[0]);
if (args.length > 1)
rescan = toBool(args[1]);
if (rescan && this.chain.options.prune)
throw new RPCError('Cannot rescan when pruned.');
data = yield readFile(file, 'utf8');
lines = data.split(/\n+/);
keys = [];
for (i = 0; i < lines.length; i++) {
line = lines[i].trim();
if (line.length === 0)
continue;
if (/^\s*#/.test(line))
continue;
parts = line.split(/\s+/);
if (parts.length < 4)
throw new RPCError('Malformed wallet.');
secret = KeyRing.fromSecret(parts[0], this.network);
time = +parts[1];
label = parts[2];
addr = parts[3];
keys.push(secret);
}
for (i = 0; i < keys.length; i++) {
key = keys[i];
yield wallet.importKey(0, key);
}
if (rescan)
yield this.walletdb.rescan(0);
return null;
});
RPC.prototype.importaddress = co(function* importaddress(args, help) {
var wallet = this.wallet;
var addr, label, rescan, p2sh;
if (help || args.length < 1 || args.length > 4)
throw new RPCError('importaddress "address" ( "label" rescan p2sh )');
addr = toString(args[0]);
if (args.length > 1)
label = toString(args[1]);
if (args.length > 2)
rescan = toBool(args[2]);
if (args.length > 3)
p2sh = toBool(args[3]);
if (rescan && this.chain.options.prune)
throw new RPCError('Cannot rescan when pruned.');
addr = Address.fromBase58(addr, this.network);
yield wallet.importAddress(0, addr);
if (rescan)
yield this.walletdb.rescan(0);
return null;
});
RPC.prototype.importpubkey = co(function* importpubkey(args, help) {
var wallet = this.wallet;
var pubkey, label, rescan, key;
if (help || args.length < 1 || args.length > 4)
throw new RPCError('importpubkey "pubkey" ( "label" rescan )');
pubkey = toString(args[0]);
if (!util.isHex(pubkey))
throw new RPCError('Invalid parameter.');
if (args.length > 1)
label = toString(args[1]);
if (args.length > 2)
rescan = toBool(args[2]);
if (rescan && this.chain.options.prune)
throw new RPCError('Cannot rescan when pruned.');
pubkey = new Buffer(pubkey, 'hex');
key = KeyRing.fromPublic(pubkey, this.network);
yield wallet.importKey(0, key);
if (rescan)
yield this.walletdb.rescan(0);
return null;
});
RPC.prototype.keypoolrefill = co(function* keypoolrefill(args, help) {
if (help || args.length > 1)
throw new RPCError('keypoolrefill ( newsize )');
return null;
});
RPC.prototype.listaccounts = co(function* listaccounts(args, help) {
var wallet = this.wallet;
var i, map, accounts, account, balance;
if (help || args.length > 2)
throw new RPCError('listaccounts ( minconf includeWatchonly)');
map = {};
accounts = yield wallet.getAccounts();
for (i = 0; i < accounts.length; i++) {
account = accounts[i];
balance = yield wallet.getBalance(account);
map[account] = Amount.btc(balance.unconfirmed, true);
}
return map;
});
RPC.prototype.listaddressgroupings = co(function* listaddressgroupings(args, help) {
if (help)
throw new RPCError('listaddressgroupings');
throw new Error('Not implemented.');
});
RPC.prototype.listlockunspent = co(function* listlockunspent(args, help) {
var wallet = this.wallet;
var i, outpoints, outpoint, out;
if (help || args.length > 0)
throw new RPCError('listlockunspent');
outpoints = wallet.getLocked();
out = [];
for (i = 0; i < outpoints.length; i++) {
outpoint = outpoints[i];
out.push({
txid: outpoint.txid(),
vout: outpoint.index
});
}
return out;
});
RPC.prototype.listreceivedbyaccount = co(function* listreceivedbyaccount(args, help) {
var minconf = 0;
var includeEmpty = false;
if (help || args.length > 3) {
throw new RPCError('listreceivedbyaccount'
+ ' ( minconf includeempty includeWatchonly )');
}
if (args.length > 0)
minconf = toNumber(args[0], 0);
if (args.length > 1)
includeEmpty = toBool(args[1], false);
return yield this._listReceived(minconf, includeEmpty, true);
});
RPC.prototype.listreceivedbyaddress = co(function* listreceivedbyaddress(args, help) {
var minconf = 0;
var includeEmpty = false;
if (help || args.length > 3) {
throw new RPCError('listreceivedbyaddress'
+ ' ( minconf includeempty includeWatchonly )');
}
if (args.length > 0)
minconf = toNumber(args[0], 0);
if (args.length > 1)
includeEmpty = toBool(args[1], false);
return yield this._listReceived(minconf, includeEmpty, false);
});
RPC.prototype._listReceived = co(function* _listReceived(minconf, empty, account) {
var wallet = this.wallet;
var out = [];
var result = [];
var map = {};
var paths = yield wallet.getPaths();
var i, j, path, wtx, output, conf, hash;
var entry, address, keys, key, item, txs;
for (i = 0; i < paths.length; i++) {
path = paths[i];
address = path.toAddress();
map[path.hash] = {
involvesWatchonly: wallet.watchOnly,
address: address.toBase58(this.network),
account: path.name,
amount: 0,
confirmations: -1,
label: '',
};
}
txs = yield wallet.getHistory();
for (i = 0; i < txs.length; i++) {
wtx = txs[i];
conf = wtx.getDepth(this.chain.height);
if (conf < minconf)
continue;
for (j = 0; j < wtx.tx.outputs.length; j++) {
output = wtx.tx.outputs[j];
address = output.getAddress();
if (!address)
continue;
hash = address.getHash('hex');
entry = map[hash];
if (entry) {
if (entry.confirmations === -1 || conf < entry.confirmations)
entry.confirmations = conf;
entry.address = address.toBase58(this.network);
entry.amount += output.value;
}
}
}
keys = Object.keys(map);
for (i = 0; i < keys.length; i++) {
key = keys[i];
entry = map[key];
out.push(entry);
}
if (account) {
map = {};
for (i = 0; i < out.length; i++) {
entry = out[i];
item = map[entry.account];
if (!item) {
map[entry.account] = entry;
entry.address = undefined;
continue;
}
item.amount += entry.amount;
}
out = [];
keys = Object.keys(map);
for (i = 0; i < keys.length; i++) {
key = keys[i];
entry = map[key];
out.push(entry);
}
}
for (i = 0; i < out.length; i++) {
entry = out[i];
if (!empty && entry.amount === 0)
continue;
if (entry.confirmations === -1)
entry.confirmations = 0;
entry.amount = Amount.btc(entry.amount, true);
result.push(entry);
}
return result;
});
RPC.prototype.listsinceblock = co(function* listsinceblock(args, help) {
var wallet = this.wallet;
var minconf = 0;
var out = [];
var i, block, highest, height;
var txs, wtx, json;
if (help) {
throw new RPCError('listsinceblock'
+ ' ( "blockhash" target-confirmations includeWatchonly)');
}
if (args.length > 0) {
block = toHash(args[0]);
if (!block)
throw new RPCError('Invalid parameter.');
}
if (args.length > 1)
minconf = toNumber(args[1], 0);
height = yield this.chain.db.getHeight(block);
if (height === -1)
height = this.chain.height;
txs = yield wallet.getHistory();
for (i = 0; i < txs.length; i++) {
wtx = txs[i];
if (wtx.height < height)
continue;
if (wtx.getDepth(this.chain.height) < minconf)
continue;
if (!highest || wtx.height > highest)
highest = wtx;
json = yield this._toListTX(wtx);
out.push(json);
}
return {
transactions: out,
lastblock: highest && highest.block
? util.revHex(highest.block)
: encoding.NULL_HASH
};
});
RPC.prototype._toListTX = co(function* _toListTX(wtx) {
var wallet = this.wallet;
var sent = 0;
var received = 0;
var receive = true;
var sendMember, recMember, sendIndex, recIndex;
var i, member, index;
var details = yield wallet.toDetails(wtx);
if (!details)
throw new RPCError('TX not found.');
for (i = 0; i < details.inputs.length; i++) {
member = details.inputs[i];
if (member.path) {
receive = false;
break;
}
}
for (i = 0; i < details.outputs.length; i++) {
member = details.outputs[i];
if (member.path) {
if (member.path.branch === 1)
continue;
received += member.value;
recMember = member;
recIndex = i;
continue;
}
sent += member.value;
sendMember = member;
sendIndex = i;
}
if (receive) {
member = recMember;
index = recIndex;
} else {
member = sendMember;
index = sendIndex;
}
// In the odd case where we send to ourselves.
if (!member) {
assert(!receive);
member = recMember;
index = recIndex;
}
return {
account: member.path ? member.path.name : '',
address: member.address
? member.address.toBase58(this.network)
: null,
category: receive ? 'receive' : 'send',
amount: Amount.btc(receive ? received : -sent, true),
label: member.path ? member.path.name : undefined,
vout: index,
confirmations: details.getDepth(),
blockhash: details.block ? util.revHex(details.block) : null,
blockindex: details.index,
blocktime: details.ts,
txid: util.revHex(details.hash),
walletconflicts: [],
time: details.ps,
timereceived: details.ps,
'bip125-replaceable': 'no'
};
});
RPC.prototype.listtransactions = co(function* listtransactions(args, help) {
var wallet = this.wallet;
var account = null;
var count = 10;
var i, txs, wtx, json;
if (help || args.length > 4) {
throw new RPCError(
'listtransactions ( "account" count from includeWatchonly)');
}
if (args.length > 0) {
account = toString(args[0]);
if (!account)
account = 'default';
}
if (args.length > 1) {
count = toNumber(args[1], 10);
if (count < 0)
count = 10;
}
txs = yield wallet.getHistory();
sortTX(txs);
for (i = 0; i < txs.length; i++) {
wtx = txs[i];
json = yield this._toListTX(wtx);
txs[i] = json;
}
return txs;
});
RPC.prototype.listunspent = co(function* listunspent(args, help) {
var wallet = this.wallet;
var minDepth = 1;
var maxDepth = 9999999;
var out = [];
var i, addresses, addrs, depth, address, hash, coins, coin, ring;
if (help || args.length > 3) {
throw new RPCError('listunspent'
+ ' ( minconf maxconf ["address",...] )');
}
if (args.length > 0)
minDepth = toNumber(args[0], 1);
if (args.length > 1)
maxDepth = toNumber(args[1], maxDepth);
if (args.length > 2)
addrs = toArray(args[2]);
if (addrs) {
addresses = {};
for (i = 0; i < addrs.length; i++) {
address = toString(addrs[i]);
hash = Address.getHash(address, 'hex');
if (!hash)
throw new RPCError('Invalid address.');
if (addresses[hash])
throw new RPCError('Duplicate address.');
addresses[hash] = true;
}
}
coins = yield wallet.getCoins();
sortCoins(coins);
for (i = 0; i < coins.length; i++ ) {
coin = coins[i];
depth = coin.getDepth(this.chain.height);
if (!(depth >= minDepth && depth <= maxDepth))
continue;
address = coin.getAddress();
if (!address)
continue;
hash = coin.getHash('hex');
if (addresses) {
if (!hash || !addresses[hash])
continue;
}
ring = yield wallet.getKey(hash);
out.push({
txid: coin.txid(),
vout: coin.index,
address: address ? address.toBase58(this.network) : null,
account: ring ? ring.name : undefined,
redeemScript: ring && ring.script
? ring.script.toJSON()
: undefined,
scriptPubKey: coin.script.toJSON(),
amount: Amount.btc(coin.value, true),
confirmations: depth,
spendable: !wallet.isLocked(coin),
solvable: true
});
}
return out;
});
RPC.prototype.lockunspent = co(function* lockunspent(args, help) {
var wallet = this.wallet;
var i, unlock, outputs, output, outpoint;
if (help || args.length < 1 || args.length > 2) {
throw new RPCError('lockunspent'
+ ' unlock ([{"txid":"txid","vout":n},...])');
}
unlock = toBool(args[0]);
if (args.length === 1) {
if (unlock)
wallet.unlockCoins();
return true;
}
outputs = toArray(args[1]);
if (!outputs)
throw new RPCError('Invalid parameter.');
for (i = 0; i < outputs.length; i++) {
output = outputs[i];
if (!output || typeof output !== 'object')
throw new RPCError('Invalid parameter.');
outpoint = new Outpoint();
outpoint.hash = toHash(output.txid);
outpoint.index = toNumber(output.vout);
if (!outpoint.hash)
throw new RPCError('Invalid parameter.');
if (outpoint.index < 0)
throw new RPCError('Invalid parameter.');
if (unlock) {
wallet.unlockCoin(outpoint);
continue;
}
wallet.lockCoin(outpoint);
}
return true;
});
RPC.prototype.move = co(function* move(args, help) {
// Not implementing: stupid and deprecated.
throw new Error('Not implemented.');
});
RPC.prototype._send = co(function* _send(account, address, amount, subtractFee) {
var wallet = this.wallet;
var tx, options;
options = {
account: account,
subtractFee: subtractFee,
rate: this.feeRate,
outputs: [{
address: address,
value: amount
}]
};
tx = yield wallet.send(options);
return tx.txid();
});
RPC.prototype.sendfrom = co(function* sendfrom(args, help) {
var account, address, amount;
if (help || args.length < 3 || args.length > 6) {
throw new RPCError('sendfrom'
+ ' "fromaccount" "tobitcoinaddress"'
+ ' amount ( minconf "comment" "comment-to" )');
}
account = toString(args[0]);
address = Address.fromBase58(toString(args[1]), this.network);
amount = toSatoshi(args[2]);
if (!account)
account = 'default';
return yield this._send(account, address, amount, false);
});
RPC.prototype.sendmany = co(function* sendmany(args, help) {
var wallet = this.wallet;
var minconf = 1;
var outputs = [];
var uniq = {};
var account, sendTo, comment, subtractFee;
var i, keys, tx, key, value, address;
var hash, output, options;
if (help || args.length < 2 || args.length > 5) {
throw new RPCError('sendmany'
+ ' "fromaccount" {"address":amount,...}'
+ ' ( minconf "comment" ["address",...] )');
}
account = toString(args[0]);
sendTo = toObject(args[1]);
if (!account)
account = 'default';
if (!sendTo)
throw new RPCError('Invalid parameter.');
if (args.length > 2)
minconf = toNumber(args[2], 1);
if (args.length > 3)
comment = toString(args[3]);
if (args.length > 4) {
subtractFee = args[4];
if (typeof subtractFee !== 'boolean') {
if (!util.isNumber(subtractFee))
throw new RPCError('Invalid parameter.');
}
}
keys = Object.keys(sendTo);
for (i = 0; i < keys.length; i++) {
key = keys[i];
value = toSatoshi(sendTo[key]);
address = Address.fromBase58(key, this.network);
hash = address.getHash('hex');
if (uniq[hash])
throw new RPCError('Invalid parameter.');
uniq[hash] = true;
output = new Output();
output.value = value;
output.script.fromAddress(address);
outputs.push(output);
}
options = {
outputs: outputs,
subtractFee: subtractFee,
account: account,
depth: minconf
};
tx = yield wallet.send(options);
return tx.txid();
});
RPC.prototype.sendtoaddress = co(function* sendtoaddress(args, help) {
var address, amount, subtractFee;
if (help || args.length < 2 || args.length > 5) {
throw new RPCError('sendtoaddress'
+ ' "bitcoinaddress" amount'
+ ' ( "comment" "comment-to"'
+ ' subtractfeefromamount )');
}
address = Address.fromBase58(toString(args[0]), this.network);
amount = toSatoshi(args[1]);
subtractFee = toBool(args[4]);
return yield this._send(null, address, amount, subtractFee);
});
RPC.prototype.setaccount = co(function* setaccount(args, help) {
if (help || args.length < 1 || args.length > 2)
throw new RPCError('setaccount "bitcoinaddress" "account"');
// Impossible to implement in bcoin:
throw new Error('Not implemented.');
});
RPC.prototype.settxfee = co(function* settxfee(args, help) {
if (help || args.length < 1 || args.length > 1)
throw new RPCError('settxfee amount');
this.feeRate = toSatoshi(args[0]);
return true;
});
RPC.prototype.signmessage = co(function* signmessage(args, help) {
var wallet = this.wallet;
var address, msg, sig, ring;
if (help || args.length !== 2)
throw new RPCError('signmessage "bitcoinaddress" "message"');
address = toString(args[0]);
msg = toString(args[1]);
address = Address.getHash(address, 'hex');
if (!address)
throw new RPCError('Invalid address.');
ring = yield wallet.getKey(address);
if (!ring)
throw new RPCError('Address not found.');
if (!wallet.master.key)
throw new RPCError('Wallet is locked.');
msg = new Buffer(RPC.magic + msg, 'utf8');
msg = crypto.hash256(msg);
sig = ring.sign(msg);
return sig.toString('base64');
});
RPC.prototype.walletlock = co(function* walletlock(args, help) {
var wallet = this.wallet;
if (help || (wallet.master.encrypted && args.length !== 0))
throw new RPCError('walletlock');
if (!wallet.master.encrypted)
throw new RPCError('Wallet is not encrypted.');
yield wallet.lock();
return null;
});
RPC.prototype.walletpassphrasechange = co(function* walletpassphrasechange(args, help) {
var wallet = this.wallet;
var old, new_;
if (help || (wallet.master.encrypted && args.length !== 2)) {
throw new RPCError('walletpassphrasechange'
+ ' "oldpassphrase" "newpassphrase"');
}
if (!wallet.master.encrypted)
throw new RPCError('Wallet is not encrypted.');
old = toString(args[0]);
new_ = toString(args[1]);
if (old.length < 1 || new_.length < 1)
throw new RPCError('Invalid parameter');
yield wallet.setPassphrase(old, new_);
return null;
});
RPC.prototype.walletpassphrase = co(function* walletpassphrase(args, help) {
var wallet = this.wallet;
var passphrase, timeout;
if (help || (wallet.master.encrypted && args.length !== 2))
throw new RPCError('walletpassphrase "passphrase" timeout');
if (!wallet.master.encrypted)
throw new RPCError('Wallet is not encrypted.');
passphrase = toString(args[0]);
timeout = toNumber(args[1]);
if (passphrase.length < 1)
throw new RPCError('Invalid parameter');
if (timeout < 0)
throw new RPCError('Invalid parameter');
yield wallet.unlock(passphrase, timeout);
return null;
});
RPC.prototype.importprunedfunds = co(function* importprunedfunds(args, help) {
var tx, block, hash, label, height;
if (help || args.length < 2 || args.length > 3) {
throw new RPCError('importprunedfunds'
+ ' "rawtransaction" "txoutproof" ( "label" )');
}
tx = args[0];
block = args[1];
if (!util.isHex(tx) || !util.isHex(block))
throw new RPCError('Invalid parameter.');
tx = TX.fromRaw(tx, 'hex');
block = MerkleBlock.fromRaw(block, 'hex');
hash = block.hash('hex');
if (args.length === 3)
label = toString(args[2]);
if (!block.verify())
throw new RPCError('Invalid proof.');
if (!block.hasTX(tx.hash('hex')))
throw new RPCError('Invalid proof.');
height = yield this.chain.db.getHeight(hash);
if (height === -1)
throw new RPCError('Invalid proof.');
block = {
hash: hash,
ts: block.ts,
height: height
};
if (!(yield this.walletdb.addTX(tx, block)))
throw new RPCError('No tracked address for TX.');
return null;
});
RPC.prototype.removeprunedfunds = co(function* removeprunedfunds(args, help) {
var wallet = this.wallet;
var hash;
if (help || args.length !== 1)
throw new RPCError('removeprunedfunds "txid"');
hash = toHash(args[0]);
if (!hash)
throw new RPCError('Invalid parameter.');
if (!(yield wallet.remove(hash)))
throw new RPCError('Transaction not in wallet.');
return null;
});
RPC.prototype.getmemory = co(function* getmemory(args, help) {
var mem;
if (help || args.length !== 0)
throw new RPCError('getmemory');
if (!process.memoryUsage)
return {};
mem = process.memoryUsage();
return {
rss: util.mb(mem.rss),
jsheap: util.mb(mem.heapUsed),
jsheaptotal: util.mb(mem.heapTotal),
nativeheap: util.mb(mem.rss - mem.heapTotal)
};
});
RPC.prototype.selectwallet = co(function* selectwallet(args, help) {
var id, wallet;
if (help || args.length !== 1)
throw new RPCError('selectwallet "id"');
id = toString(args[0]);
wallet = yield this.walletdb.get(id);
if (!wallet)
throw new RPCError('Wallet not found.');
this.wallet = wallet;
return null;
});
RPC.prototype.setloglevel = co(function* setloglevel(args, help) {
var name, level;
if (help || args.length !== 1)
throw new RPCError('setloglevel "level"');
name = toString(args[0]);
level = Logger.levels[name];
if (level == null)
throw new RPCError('Bad log level.');
this.logger.level = level;
return null;
});
/*
* Helpers
*/
function RPCError(msg) {
Error.call(this);
if (Error.captureStackTrace)
Error.captureStackTrace(this, RPCError);
this.type = 'RPCError';
this.message = msg;
}
util.inherits(RPCError, Error);
function toBool(obj, def) {
if (typeof obj === 'boolean' || typeof obj === 'number')
return !!obj;
return def || false;
}
function toNumber(obj, def) {
if (util.isNumber(obj))
return obj;
return def != null ? def : -1;
}
function toString(obj, def) {
if (typeof obj === 'string')
return obj;
return def != null ? def : '';
}
function toArray(obj, def) {
if (Array.isArray(obj))
return obj;
return def != null ? def : null;
}
function toObject(obj, def) {
if (obj && typeof obj === 'object')
return obj;
return def != null ? def : null;
}
function toHash(obj) {
if (!isHash(obj))
return null;
return util.revHex(obj);
}
function isHash(obj) {
return util.isHex(obj) && obj.length === 64;
}
function toSatoshi(obj) {
if (typeof obj !== 'number')
throw new RPCError('Bad BTC amount.');
return Amount.value(obj, true);
}
function reverseEndian(data) {
var i, field;
for (i = 0; i < data.length; i += 4) {
field = data.readUInt32LE(i, true);
data.writeUInt32BE(field, i, true);
}
}
function writeFile(file, data) {
return new Promise(function(resolve, reject) {
fs.writeFile(file, data, co.wrap(resolve, reject));
});
}
function readFile(file, enc) {
return new Promise(function(resolve, reject) {
fs.readFile(file, enc, co.wrap(resolve, reject));
});
}
function sortTX(txs) {
return txs.sort(function(a, b) {
return a.ps - b.ps;
});
}
function sortCoins(coins) {
return coins.sort(function(a, b) {
a = a.height === -1 ? 0x7fffffff : a.height;
b = b.height === -1 ? 0x7fffffff : b.height;
return a - b;
});
}
/*
* Expose
*/
module.exports = RPC;