Yemel Jardi
10 years ago
2 changed files with 251 additions and 0 deletions
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// RpcClient.js
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// MIT/X11-like license. See LICENSE.txt.
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// Copyright 2013 BitPay, Inc.
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//
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var http = require('http'); |
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var https = require('https'); |
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var log = require('../util/log'); |
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function RpcClient(opts) { |
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opts = opts || {}; |
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this.host = opts.host || '127.0.0.1'; |
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this.port = opts.port || 8332; |
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this.user = opts.user || 'user'; |
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this.pass = opts.pass || 'pass'; |
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this.protocol = (opts.protocol == 'http') ? http : https; |
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this.batchedCalls = null; |
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this.disableAgent = opts.disableAgent || false; |
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this.rejectUnauthorized = opts.rejectUnauthorized || false; |
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} |
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RpcClient.prototype.batch = function(batchCallback, resultCallback) { |
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this.batchedCalls = []; |
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batchCallback(); |
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rpc.call(this, this.batchedCalls, resultCallback); |
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this.batchedCalls = null; |
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} |
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var callspec = { |
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addMultiSigAddress: '', |
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addNode: '', |
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backupWallet: '', |
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createMultiSig: '', |
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createRawTransaction: '', |
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decodeRawTransaction: '', |
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dumpPrivKey: '', |
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encryptWallet: '', |
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getAccount: '', |
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getAccountAddress: 'str', |
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getAddedNodeInfo: '', |
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getAddressesByAccount: '', |
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getBalance: 'str int', |
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getBestBlockHash: '', |
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getBlock: '', |
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getBlockCount: '', |
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getBlockHash: 'int', |
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getBlockNumber: '', |
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getBlockTemplate: '', |
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getConnectionCount: '', |
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getDifficulty: '', |
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getGenerate: '', |
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getHashesPerSec: '', |
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getInfo: '', |
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getMemoryPool: '', |
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getMiningInfo: '', |
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getNewAddress: '', |
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getPeerInfo: '', |
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getRawMemPool: '', |
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getRawTransaction: 'str int', |
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getReceivedByAccount: 'str int', |
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getReceivedByAddress: 'str int', |
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getTransaction: '', |
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getTxOut: 'str int bool', |
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getTxOutSetInfo: '', |
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getWork: '', |
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help: '', |
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importAddress: 'str str bool', |
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importPrivKey: 'str str bool', |
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keyPoolRefill: '', |
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listAccounts: 'int', |
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listAddressGroupings: '', |
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listReceivedByAccount: 'int bool', |
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listReceivedByAddress: 'int bool', |
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listSinceBlock: 'str int', |
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listTransactions: 'str int int', |
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listUnspent: 'int int', |
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listLockUnspent: 'bool', |
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lockUnspent: '', |
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move: 'str str float int str', |
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sendFrom: 'str str float int str str', |
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sendMany: 'str str int str', //not sure this is will work
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sendRawTransaction: '', |
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sendToAddress: 'str float str str', |
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setAccount: '', |
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setGenerate: 'bool int', |
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setTxFee: 'float', |
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signMessage: '', |
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signRawTransaction: '', |
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stop: '', |
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submitBlock: '', |
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validateAddress: '', |
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verifyMessage: '', |
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walletLock: '', |
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walletPassPhrase: 'string int', |
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walletPassphraseChange: '', |
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}; |
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var slice = function(arr, start, end) { |
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return Array.prototype.slice.call(arr, start, end); |
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}; |
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function generateRPCMethods(constructor, apiCalls, rpc) { |
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function createRPCMethod(methodName, argMap) { |
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return function() { |
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var limit = arguments.length - 1; |
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if (this.batchedCalls) var limit = arguments.length; |
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for (var i = 0; i < limit; i++) { |
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if (argMap[i]) arguments[i] = argMap[i](arguments[i]); |
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}; |
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if (this.batchedCalls) { |
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this.batchedCalls.push({ |
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jsonrpc: '2.0', |
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method: methodName, |
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params: slice(arguments) |
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}); |
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} else { |
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rpc.call(this, { |
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method: methodName, |
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params: slice(arguments, 0, arguments.length - 1) |
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}, arguments[arguments.length - 1]); |
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} |
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}; |
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}; |
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var types = { |
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str: function(arg) { |
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return arg.toString(); |
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}, |
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int: function(arg) { |
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return parseFloat(arg); |
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}, |
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float: function(arg) { |
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return parseFloat(arg); |
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}, |
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bool: function(arg) { |
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return (arg === true || arg == '1' || arg == 'true' || arg.toString().toLowerCase() == 'true'); |
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}, |
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}; |
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for (var k in apiCalls) { |
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if (apiCalls.hasOwnProperty(k)) { |
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var spec = apiCalls[k].split(' '); |
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for (var i = 0; i < spec.length; i++) { |
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if (types[spec[i]]) { |
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spec[i] = types[spec[i]]; |
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} else { |
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spec[i] = types.string; |
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} |
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} |
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var methodName = k.toLowerCase(); |
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constructor.prototype[k] = createRPCMethod(methodName, spec); |
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constructor.prototype[methodName] = constructor.prototype[k]; |
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} |
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} |
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} |
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function rpc(request, callback) { |
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var self = this; |
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var request; |
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request = JSON.stringify(request); |
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var auth = Buffer(self.user + ':' + self.pass).toString('base64'); |
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var options = { |
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host: self.host, |
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path: '/', |
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method: 'POST', |
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port: self.port, |
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rejectUnauthorized: self.rejectUnauthorized, |
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agent: self.disableAgent ? false : undefined, |
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}; |
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if (self.httpOptions) { |
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for (var k in self.httpOptions) { |
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options[k] = self.httpOptions[k]; |
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} |
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} |
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var err = null; |
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var req = this.protocol.request(options, function(res) { |
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var buf = ''; |
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res.on('data', function(data) { |
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buf += data; |
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}); |
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res.on('end', function() { |
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if (res.statusCode == 401) { |
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callback(new Error('bitcoin JSON-RPC connection rejected: 401 unauthorized')); |
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return; |
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} |
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if (res.statusCode == 403) { |
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callback(new Error('bitcoin JSON-RPC connection rejected: 403 forbidden')); |
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return; |
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} |
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if (err) { |
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callback(err); |
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return; |
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} |
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try { |
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var parsedBuf = JSON.parse(buf); |
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} catch (e) { |
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log.err(e.stack); |
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log.err(buf); |
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log.err('HTTP Status code:' + res.statusCode); |
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callback(e); |
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return; |
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} |
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callback(parsedBuf.error, parsedBuf); |
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}); |
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}); |
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req.on('error', function(e) { |
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var err = new Error('Could not connect to bitcoin via RPC at host: ' + self.host + ' port: ' + self.port + ' Error: ' + e.message); |
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log.err(err); |
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callback(err); |
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}); |
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req.setHeader('Content-Length', request.length); |
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req.setHeader('Content-Type', 'application/json'); |
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req.setHeader('Authorization', 'Basic ' + auth); |
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req.write(request); |
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req.end(); |
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}; |
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generateRPCMethods(RpcClient, callspec, rpc); |
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module.exports = RpcClient; |
@ -0,0 +1,28 @@ |
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'use strict'; |
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var chai = chai || require('chai'); |
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var bitcore = bitcore || require('../bitcore'); |
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var should = chai.should(); |
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var RpcClientModule = bitcore.RpcClient; |
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var RpcClient; |
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RpcClient = RpcClientModule; |
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describe('RpcClient', function() { |
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it('should initialze the main object', function() { |
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should.exist(RpcClientModule); |
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}); |
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it('should be able to create class', function() { |
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should.exist(RpcClient); |
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}); |
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it('should be able to create instance', function() { |
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var s = new RpcClient(); |
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should.exist(s); |
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}); |
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}); |
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