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node-libcoin
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============
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libcoin
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=======
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Nodejs Bitcoin Library
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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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require('classtool');
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function ClassSpec(b) {
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var http = b.http || require('http');
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var https = b.https || require('https');
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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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}
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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: '',
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getAddedNodeInfo: '',
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getAddressesByAccount: '',
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getBalance: '',
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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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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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for (var i=0; i<arguments.length - 1; i++) {
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if(argMap[i]) arguments[i] = argMap[i](arguments[i]);
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};
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rpc.call(this, methodName, slice(arguments, 0, arguments.length - 1), arguments[arguments.length - 1]);
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};
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};
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var types = {
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str: function(arg) {return arg.toString();},
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int: function(arg) {return parseFloat(arg);},
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float: function(arg) {return parseFloat(arg);},
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bool: function(arg) {return (arg === true || arg == '1' || arg == 'true' || arg.toLowerCase() == 'true');},
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};
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for(var k in apiCalls) {
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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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function rpc(method, params, callback) {
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var self = this;
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var request;
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if(params) {
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request = {method: method, params: params};
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} else {
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request = {method: method};
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}
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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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};
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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 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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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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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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callback(e);
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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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return RpcClient;
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};
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module.defineClass(ClassSpec);
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@ -0,0 +1,25 @@
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{
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"name": "libcoin",
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"description": "Bitcoin Library",
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"version": "0.1.0",
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"author": {
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"name": "Stephen Pair",
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"email": "stephen@bitpay.com"
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},
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"main": "./index",
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"keywords": [
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"bitcoin",
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"btc",
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"satoshi",
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"money",
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"currency",
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"virtual"
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],
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"repository": {
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"type": "git",
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"url": "http://github.com/gasteve/node-libcoin.git"
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},
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"scripts": {},
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"devDependencies": {},
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"license": "MIT"
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}
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