2014-02-03 18:30:46 -08:00
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'use strict';
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2014-03-05 18:03:56 -08:00
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var imports = require('soop').imports();
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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// blockHash -> txid mapping
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var IN_BLK_PREFIX = 'txb-'; //txb-<txid>-<block> => 1/0 (connected or not)
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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// Only for orphan blocks
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var FROM_BLK_PREFIX = 'tx-'; //tx-<block>-<txid> => 1
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2014-02-03 22:22:58 -08:00
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2014-03-05 18:03:56 -08:00
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// to show tx outs
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var OUTS_PREFIX = 'txo-'; //txo-<txid>-<n> => [addr, btc_sat]
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var SPENT_PREFIX = 'txs-'; //txs-<txid(out)>-<n(out)>-<txid(in)>-<n(in)> = ts
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2014-02-08 05:57:37 -08:00
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2014-03-05 18:03:56 -08:00
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// to sum up addr balance (only outs, spents are gotten later)
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2014-04-15 05:15:47 -07:00
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var ADDR_PREFIX = 'txa-'; //txa-<addr>-<txid>-<n> => + btc_sat:ts [:<txid>-<n>](spent)
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2014-02-03 22:22:58 -08:00
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2014-03-05 18:03:56 -08:00
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// TODO: use bitcore networks module
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var genesisTXID = '4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b';
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var CONCURRENCY = 10;
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2014-02-03 22:22:58 -08:00
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2014-03-05 18:03:56 -08:00
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var MAX_OPEN_FILES = 500;
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2014-02-16 08:38:34 -08:00
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// var CONFIRMATION_NR_TO_NOT_CHECK = 10; //Spend
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2014-03-05 18:03:56 -08:00
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/**
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* Module dependencies.
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*/
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var Rpc = imports.rpc || require('./Rpc'),
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util = require('bitcore/util/util'),
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levelup = require('levelup'),
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async = require('async'),
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config = require('../config/config'),
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assert = require('assert');
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2014-04-17 05:32:49 -07:00
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2014-03-05 18:03:56 -08:00
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var db = imports.db || levelup(config.leveldb + '/txs',{maxOpenFiles: MAX_OPEN_FILES} );
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var Script = require('bitcore/Script');
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// This is 0.1.2 = > c++ version of base57-native
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var base58 = require('base58-native').base58Check;
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var encodedData = require('soop').load('bitcore/util/EncodedData',{
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base58: base58
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});
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var versionedData= require('soop').load('bitcore/util/VersionedData',{
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2014-03-10 08:46:48 -07:00
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parent: encodedData
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2014-03-05 18:03:56 -08:00
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});
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var Address = require('soop').load('bitcore/Address',{
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parent: versionedData
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});
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var bitutil = require('bitcore/util/util');
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var networks = require('bitcore/networks');
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var TransactionDb = function() {
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TransactionDb.super(this, arguments);
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this.network = config.network === 'testnet' ? networks.testnet : networks.livenet;
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};
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TransactionDb.prototype.close = function(cb) {
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db.close(cb);
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};
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TransactionDb.prototype.drop = function(cb) {
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var path = config.leveldb + '/txs';
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db.close(function() {
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require('leveldown').destroy(path, function() {
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db = levelup(path, {maxOpenFiles: 500});
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return cb();
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2014-02-03 18:30:46 -08:00
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});
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2014-03-05 18:03:56 -08:00
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});
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};
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype.has = function(txid, cb) {
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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var k = OUTS_PREFIX + txid;
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db.get(k, function(err, val) {
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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var ret;
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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if (err && err.notFound) {
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err = null;
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ret = false;
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}
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if (typeof val !== undefined) {
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ret = true;
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}
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return cb(err, ret);
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});
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};
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TransactionDb.prototype._addSpentInfo = function(r, txid, index, ts) {
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if (r.spentTxId) {
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if (!r.multipleSpentAttempts) {
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r.multipleSpentAttempts = [{
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txid: r.spentTxId,
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index: r.index,
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}];
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}
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r.multipleSpentAttempts.push({
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txid: txid,
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index: parseInt(index),
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2014-02-03 18:30:46 -08:00
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});
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2014-03-05 18:03:56 -08:00
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} else {
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r.spentTxId = txid;
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r.spentIndex = parseInt(index);
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r.spentTs = parseInt(ts);
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}
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};
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// This is not used now
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TransactionDb.prototype.fromTxId = function(txid, cb) {
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var self = this;
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var k = OUTS_PREFIX + txid;
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var ret = [];
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var idx = {};
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var i = 0;
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// outs.
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db.createReadStream({
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start: k,
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end: k + '~'
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})
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.on('data', function(data) {
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var k = data.key.split('-');
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var v = data.value.split(':');
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ret.push({
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addr: v[0],
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value_sat: parseInt(v[1]),
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index: parseInt(k[2]),
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2014-02-10 12:12:40 -08:00
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});
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2014-03-05 18:03:56 -08:00
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idx[parseInt(k[2])] = i++;
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2014-02-14 11:35:32 -08:00
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})
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2014-03-05 18:03:56 -08:00
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.on('error', function(err) {
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return cb(err);
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})
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.on('end', function() {
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2014-02-10 12:12:40 -08:00
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2014-03-05 18:03:56 -08:00
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var k = SPENT_PREFIX + txid + '-';
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db.createReadStream({
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start: k,
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end: k + '~'
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})
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.on('data', function(data) {
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var k = data.key.split('-');
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var j = idx[parseInt(k[2])];
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2014-02-10 09:09:28 -08:00
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2014-03-05 18:03:56 -08:00
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assert(typeof j !== 'undefined', 'Spent could not be stored: tx ' + txid +
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'spent in TX:' + k[1] + ',' + k[2] + ' j:' + j);
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2014-02-10 09:09:28 -08:00
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2014-03-05 18:03:56 -08:00
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self._addSpentInfo(ret[j], k[3], k[4], data.value);
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})
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.on('error', function(err) {
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return cb(err);
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})
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.on('end', function(err) {
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return cb(err, ret);
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});
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});
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};
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2014-02-03 22:22:58 -08:00
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2014-02-11 09:50:19 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype._fillSpent = function(info, cb) {
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var self = this;
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2014-02-11 09:50:19 -08:00
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2014-03-05 18:03:56 -08:00
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if (!info) return cb();
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2014-02-11 09:50:19 -08:00
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2014-03-05 18:03:56 -08:00
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var k = SPENT_PREFIX + info.txid + '-';
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db.createReadStream({
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start: k,
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end: k + '~'
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})
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.on('data', function(data) {
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var k = data.key.split('-');
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self._addSpentInfo(info.vout[k[2]], k[3], k[4], data.value);
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2014-02-14 11:35:32 -08:00
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})
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2014-03-05 18:03:56 -08:00
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.on('error', function(err) {
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return cb(err);
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})
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.on('end', function(err) {
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return cb(err);
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});
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};
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2014-02-11 09:50:19 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype._fillOutpoints = function(info, cb) {
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var self = this;
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2014-02-04 18:50:18 -08:00
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2014-03-05 18:03:56 -08:00
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if (!info || info.isCoinBase) return cb();
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2014-02-04 18:50:18 -08:00
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2014-03-05 18:03:56 -08:00
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var valueIn = 0;
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var incompleteInputs = 0;
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2014-02-04 18:50:18 -08:00
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2014-03-05 18:03:56 -08:00
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async.eachLimit(info.vin, CONCURRENCY, function(i, c_in) {
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self.fromTxIdN(i.txid, i.vout, info.confirmations, function(err, ret) {
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//console.log('[TransactionDb.js.154:ret:]',ret); //TODO
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if (!ret || !ret.addr || !ret.valueSat) {
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console.log('Could not get TXouts in %s,%d from %s ', i.txid, i.vout, info.txid);
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if (ret) i.unconfirmedInput = ret.unconfirmedInput;
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incompleteInputs = 1;
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return c_in(); // error not scalated
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}
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2014-02-11 08:31:33 -08:00
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2014-03-05 18:03:56 -08:00
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info.firstSeenTs = ret.spentTs;
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i.unconfirmedInput = i.unconfirmedInput;
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i.addr = ret.addr;
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i.valueSat = ret.valueSat;
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i.value = ret.valueSat / util.COIN;
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valueIn += i.valueSat;
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2014-02-11 08:31:33 -08:00
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2014-02-15 15:26:17 -08:00
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/*
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2014-03-05 18:03:56 -08:00
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* If confirmed by bitcoind, we could not check for double spents
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* but we prefer to keep the flag of double spent attempt
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*
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if (info.confirmations
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&& info.confirmations >= CONFIRMATION_NR_TO_NOT_CHECK)
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return c_in();
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2014-02-16 08:38:34 -08:00
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isspent
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2014-02-15 15:26:17 -08:00
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*/
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2014-03-05 18:03:56 -08:00
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// Double spent?
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if (ret.multipleSpentAttempt || !ret.spentTxId ||
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(ret.spentTxId && ret.spentTxId !== info.txid)
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) {
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if (ret.multipleSpentAttempts) {
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2014-04-23 19:45:01 -07:00
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ret.multipleSpentAttempts.forEach(function(mul) {
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2014-03-05 18:03:56 -08:00
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if (mul.spentTxId !== info.txid) {
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i.doubleSpentTxID = ret.spentTxId;
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i.doubleSpentIndex = ret.spentIndex;
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}
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});
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} else if (!ret.spentTxId) {
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i.dbError = 'Input spent not registered';
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2014-02-14 11:35:32 -08:00
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} else {
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2014-03-05 18:03:56 -08:00
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i.doubleSpentTxID = ret.spentTxId;
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i.doubleSpentIndex = ret.spentIndex;
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2014-02-11 08:31:33 -08:00
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}
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2014-02-14 11:35:32 -08:00
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} else {
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2014-03-05 18:03:56 -08:00
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i.doubleSpentTxID = null;
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2014-02-14 11:35:32 -08:00
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}
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2014-03-05 18:03:56 -08:00
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return c_in();
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2014-02-04 18:50:18 -08:00
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});
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2014-03-05 18:03:56 -08:00
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},
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function() {
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if (!incompleteInputs) {
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info.valueIn = valueIn / util.COIN;
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info.fees = (valueIn - parseInt(info.valueOut * util.COIN)) / util.COIN;
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} else {
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info.incompleteInputs = 1;
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}
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return cb();
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2014-02-04 18:50:18 -08:00
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});
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};
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2014-02-04 18:50:18 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype._getInfo = function(txid, next) {
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var self = this;
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2014-02-04 18:50:18 -08:00
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2014-03-05 18:03:56 -08:00
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Rpc.getTxInfo(txid, function(err, info) {
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if (err) return next(err);
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2014-02-20 11:10:10 -08:00
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self._fillOutpoints(info, function() {
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self._fillSpent(info, function() {
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return next(null, info);
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2014-02-14 11:35:32 -08:00
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});
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2014-02-04 18:50:18 -08:00
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});
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2014-03-05 18:03:56 -08:00
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});
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};
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2014-02-03 22:22:58 -08:00
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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// Simplified / faster Info version: No spent / outpoints info.
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TransactionDb.prototype.fromIdInfoSimple = function(txid, cb) {
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Rpc.getTxInfo(txid, true, function(err, info) {
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if (err) return cb(err);
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if (!info) return cb();
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return cb(err, info);
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});
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};
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2014-02-11 08:31:33 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype.fromIdWithInfo = function(txid, cb) {
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var self = this;
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2014-02-15 15:26:17 -08:00
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2014-03-05 18:03:56 -08:00
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self._getInfo(txid, function(err, info) {
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if (err) return cb(err);
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if (!info) return cb();
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return cb(err, {
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txid: txid,
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info: info
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2014-02-03 18:30:46 -08:00
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});
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2014-03-05 18:03:56 -08:00
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});
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};
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2014-02-06 05:20:49 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype.fromTxIdN = function(txid, n, confirmations, cb) {
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var self = this;
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var k = OUTS_PREFIX + txid + '-' + n;
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2014-02-06 05:20:49 -08:00
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2014-03-05 18:03:56 -08:00
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db.get(k, function(err, val) {
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if (!val || (err && err.notFound)) {
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return cb(null, {
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unconfirmedInput: 1
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});
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}
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2014-02-10 12:12:40 -08:00
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2014-03-05 18:03:56 -08:00
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var a = val.split(':');
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var ret = {
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addr: a[0],
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valueSat: parseInt(a[1]),
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};
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/*
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* If this TxID comes from an RPC request
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* the .confirmations value from bitcoind is available
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* so we could avoid checking if the input were double spented
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*
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* This speed up address calculations by ~30%
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*
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if (confirmations >= CONFIRMATION_NR_TO_NOT_CHECK) {
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return cb(null, ret);
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2014-02-10 12:12:40 -08:00
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}
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2014-03-05 18:03:56 -08:00
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*/
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2014-02-03 23:06:03 -08:00
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2014-03-05 18:03:56 -08:00
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// spent?
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var k = SPENT_PREFIX + txid + '-' + n + '-';
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2014-02-14 11:35:32 -08:00
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db.createReadStream({
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start: k,
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end: k + '~'
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})
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.on('data', function(data) {
|
2014-02-03 23:06:03 -08:00
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var k = data.key.split('-');
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2014-03-05 18:03:56 -08:00
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self._addSpentInfo(ret, k[3], k[4], data.value);
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2014-02-03 23:06:03 -08:00
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})
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2014-03-05 18:03:56 -08:00
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.on('error', function(error) {
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return cb(error);
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2014-02-03 23:06:03 -08:00
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})
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2014-02-14 11:35:32 -08:00
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.on('end', function() {
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2014-03-05 18:03:56 -08:00
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return cb(null, ret);
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2014-02-03 23:06:03 -08:00
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});
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2014-03-05 18:03:56 -08:00
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});
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};
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2014-02-03 23:06:03 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype.fillConfirmations = function(o, cb) {
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var self = this;
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2014-02-03 23:06:03 -08:00
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2014-03-05 18:03:56 -08:00
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self.isConfirmed(o.txid, function(err, is) {
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if (err) return cb(err);
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2014-02-03 22:22:58 -08:00
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2014-03-05 18:03:56 -08:00
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o.isConfirmed = is;
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if (!o.spentTxId) return cb();
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2014-02-14 11:35:32 -08:00
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2014-03-05 18:03:56 -08:00
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if (o.multipleSpentAttempts) {
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async.eachLimit(o.multipleSpentAttempts, CONCURRENCY,
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function(oi, e_c) {
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self.isConfirmed(oi.spentTxId, function(err, is) {
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if (err) return;
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if (is) {
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o.spentTxId = oi.spentTxId;
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o.index = oi.index;
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o.spentIsConfirmed = 1;
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}
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return e_c();
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});
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}, cb);
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} else {
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self.isConfirmed(o.spentTxId, function(err, is) {
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if (err) return cb(err);
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o.spentIsConfirmed = is;
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return cb();
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});
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}
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});
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};
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TransactionDb.prototype.fromAddr = function(addr, cb) {
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var self = this;
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var k = ADDR_PREFIX + addr + '-';
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var ret = [];
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db.createReadStream({
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start: k,
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end: k + '~'
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})
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.on('data', function(data) {
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var k = data.key.split('-');
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var v = data.value.split(':');
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ret.push({
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txid: k[2],
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index: parseInt(k[3]),
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value_sat: parseInt(v[0]),
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ts: parseInt(v[1]),
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});
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})
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.on('error', function(err) {
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return cb(err);
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})
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.on('end', function() {
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async.eachLimit(ret, CONCURRENCY, function(o, e_c) {
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var k = SPENT_PREFIX + o.txid + '-' + o.index + '-';
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2014-02-14 11:35:32 -08:00
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db.createReadStream({
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2014-03-05 18:03:56 -08:00
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start: k,
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end: k + '~'
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})
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.on('data', function(data) {
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var k = data.key.split('-');
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self._addSpentInfo(o, k[3], k[4], data.value);
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})
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.on('error', function(err) {
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return e_c(err);
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2014-02-14 11:35:32 -08:00
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})
|
2014-03-05 18:03:56 -08:00
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.on('end', function(err) {
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return e_c(err);
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});
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2014-02-14 11:35:32 -08:00
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},
|
2014-03-05 18:03:56 -08:00
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function() {
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async.eachLimit(ret, CONCURRENCY, function(o, e_c) {
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self.fillConfirmations(o, e_c);
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}, function(err) {
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return cb(err, ret);
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});
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2014-02-14 11:35:32 -08:00
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});
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2014-03-05 18:03:56 -08:00
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});
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};
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2014-02-14 11:35:32 -08:00
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype.removeFromTxId = function(txid, cb) {
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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async.series([
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2014-02-14 13:02:57 -08:00
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2014-03-05 18:03:56 -08:00
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function(c) {
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db.createReadStream({
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start: OUTS_PREFIX + txid + '-',
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end: OUTS_PREFIX + txid + '~',
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}).pipe(
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db.createWriteStream({
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type: 'del'
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})
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).on('close', c);
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},
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function(c) {
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db.createReadStream({
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start: SPENT_PREFIX + txid + '-',
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end: SPENT_PREFIX + txid + '~'
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})
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.pipe(
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db.createWriteStream({
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type: 'del'
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})
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).on('close', c);
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}
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],
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function(err) {
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cb(err);
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});
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2014-02-14 13:02:57 -08:00
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2014-03-05 18:03:56 -08:00
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};
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// TODO. replace with
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// Script.prototype.getAddrStrs if that one get merged in bitcore
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TransactionDb.prototype.getAddrStr = function(s) {
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var self = this;
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var addrStrs = [];
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var type = s.classify();
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var addr;
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switch (type) {
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case Script.TX_PUBKEY:
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var chunk = s.captureOne();
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addr = new Address(self.network.addressPubkey, bitutil.sha256ripe160(chunk));
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addrStrs.push(addr.toString());
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break;
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case Script.TX_PUBKEYHASH:
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addr = new Address(self.network.addressPubkey, s.captureOne());
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addrStrs.push(addr.toString());
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break;
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case Script.TX_SCRIPTHASH:
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addr = new Address(self.network.addressScript, s.captureOne());
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addrStrs.push(addr.toString());
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break;
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case Script.TX_MULTISIG:
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var chunks = s.capture();
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chunks.forEach(function(chunk) {
|
2014-03-20 10:06:37 -07:00
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if (chunk && Buffer.isBuffer(chunk)) {
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var a = new Address(self.network.addressPubkey, bitutil.sha256ripe160(chunk));
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addrStrs.push(a.toString());
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}
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2014-02-14 13:02:57 -08:00
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});
|
2014-03-05 18:03:56 -08:00
|
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break;
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case Script.TX_UNKNOWN:
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break;
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}
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return addrStrs;
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};
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TransactionDb.prototype.adaptTxObject = function(txInfo) {
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var self = this;
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// adapt bitcore TX object to bitcoind JSON response
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txInfo.txid = txInfo.hash;
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var to = 0;
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var tx = txInfo;
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|
if (tx.outs) {
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tx.outs.forEach(function(o) {
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var s = new Script(o.s);
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var addrs = self.getAddrStr(s);
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// support only for p2pubkey p2pubkeyhash and p2sh
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|
if (addrs.length === 1) {
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tx.out[to].addrStr = addrs[0];
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tx.out[to].n = to;
|
2014-02-03 18:30:46 -08:00
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}
|
2014-03-05 18:03:56 -08:00
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to++;
|
2014-02-03 18:30:46 -08:00
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});
|
2014-03-05 18:03:56 -08:00
|
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}
|
2014-02-03 18:30:46 -08:00
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|
2014-03-05 18:03:56 -08:00
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var count = 0;
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txInfo.vin = txInfo. in .map(function(txin) {
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var i = {};
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2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
|
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if (txin.coinbase) {
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txInfo.isCoinBase = true;
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|
} else {
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i.txid = txin.prev_out.hash;
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i.vout = txin.prev_out.n;
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}
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i.n = count++;
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return i;
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});
|
2014-02-14 11:35:32 -08:00
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|
2014-02-03 18:30:46 -08:00
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|
2014-03-05 18:03:56 -08:00
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count = 0;
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|
txInfo.vout = txInfo.out.map(function(txout) {
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var o = {};
|
2014-02-03 18:30:46 -08:00
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2014-03-05 18:03:56 -08:00
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o.value = txout.value;
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o.n = count++;
|
2014-02-03 18:30:46 -08:00
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|
2014-03-05 18:03:56 -08:00
|
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if (txout.addrStr) {
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o.scriptPubKey = {};
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|
o.scriptPubKey.addresses = [txout.addrStr];
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}
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return o;
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});
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};
|
2014-02-08 05:57:37 -08:00
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2014-02-03 18:30:46 -08:00
|
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2014-03-05 18:03:56 -08:00
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TransactionDb.prototype.add = function(tx, blockhash, cb) {
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var self = this;
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var addrs = [];
|
2014-02-03 18:30:46 -08:00
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|
2014-03-05 18:03:56 -08:00
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if (tx.hash) self.adaptTxObject(tx);
|
2014-02-03 18:30:46 -08:00
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|
2014-03-05 18:03:56 -08:00
|
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var ts = tx.time;
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|
async.series([
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|
|
// Input Outpoints (mark them as spent)
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function(p_c) {
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if (tx.isCoinBase) return p_c();
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async.forEachLimit(tx.vin, CONCURRENCY,
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function(i, next_out) {
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db.batch()
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.put(SPENT_PREFIX + i.txid + '-' + i.vout + '-' + tx.txid + '-' + i.n,
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ts || 0)
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.write(next_out);
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},
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function(err) {
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return p_c(err);
|
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|
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});
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},
|
|
|
|
// Parse Outputs
|
|
|
|
function(p_c) {
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|
async.forEachLimit(tx.vout, CONCURRENCY,
|
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|
|
function(o, next_out) {
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|
if (o.value && o.scriptPubKey &&
|
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|
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o.scriptPubKey.addresses &&
|
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o.scriptPubKey.addresses[0] && !o.scriptPubKey.addresses[1] // TODO : not supported
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|
|
) {
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|
|
var addr = o.scriptPubKey.addresses[0];
|
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|
|
var sat = Math.round(o.value * util.COIN);
|
|
|
|
|
|
|
|
if (addrs.indexOf(addr) === -1) {
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|
addrs.push(addr);
|
2014-02-03 18:30:46 -08:00
|
|
|
}
|
2014-03-05 18:03:56 -08:00
|
|
|
|
|
|
|
// existed?
|
|
|
|
var k = OUTS_PREFIX + tx.txid + '-' + o.n;
|
|
|
|
db.get(k, function(err) {
|
|
|
|
if (err && err.notFound) {
|
|
|
|
db.batch()
|
|
|
|
.put(k, addr + ':' + sat)
|
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|
|
.put(ADDR_PREFIX + addr + '-' + tx.txid + '-' + o.n, sat + ':' + ts)
|
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|
|
.write(next_out);
|
|
|
|
} else {
|
|
|
|
return next_out();
|
|
|
|
}
|
|
|
|
});
|
|
|
|
} else {
|
|
|
|
return next_out();
|
|
|
|
}
|
|
|
|
},
|
|
|
|
function(err) {
|
|
|
|
if (err) {
|
|
|
|
console.log('ERR at TX %s: %s', tx.txid, err);
|
|
|
|
return cb(err);
|
|
|
|
}
|
2014-02-14 11:35:32 -08:00
|
|
|
return p_c();
|
|
|
|
});
|
2014-03-05 18:03:56 -08:00
|
|
|
},
|
|
|
|
function(p_c) {
|
|
|
|
if (!blockhash) {
|
|
|
|
return p_c();
|
2014-02-14 11:35:32 -08:00
|
|
|
}
|
2014-03-05 18:03:56 -08:00
|
|
|
return self.setConfirmation(tx.txid, blockhash, true, p_c);
|
|
|
|
},
|
|
|
|
], function(err) {
|
|
|
|
if (addrs.length > 0 && !blockhash) {
|
|
|
|
// only emit if we are processing a single tx (not from a block)
|
2014-03-20 10:06:37 -07:00
|
|
|
tx.addrsToEmit=addrs;
|
2014-03-05 18:03:56 -08:00
|
|
|
}
|
|
|
|
return cb(err);
|
|
|
|
});
|
|
|
|
};
|
2014-02-06 05:20:49 -08:00
|
|
|
|
|
|
|
|
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
TransactionDb.prototype.setConfirmation = function(txId, blockHash, confirmed, c) {
|
|
|
|
if (!blockHash) return c();
|
2014-02-08 05:57:37 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
confirmed = confirmed ? 1 : 0;
|
2014-02-06 05:20:49 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
db.batch()
|
|
|
|
.put(IN_BLK_PREFIX + txId + '-' + blockHash, confirmed)
|
|
|
|
.put(FROM_BLK_PREFIX + blockHash + '-' + txId, 1)
|
|
|
|
.write(c);
|
|
|
|
};
|
2014-02-06 05:20:49 -08:00
|
|
|
|
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
// This slowdown addr balance calculation by 100%
|
|
|
|
TransactionDb.prototype.isConfirmed = function(txId, c) {
|
|
|
|
var k = IN_BLK_PREFIX + txId;
|
|
|
|
var ret = false;
|
2014-02-08 05:57:37 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
db.createReadStream({
|
|
|
|
start: k,
|
|
|
|
end: k + '~'
|
|
|
|
})
|
|
|
|
.on('data', function(data) {
|
|
|
|
if (data.value === '1') ret = true;
|
2014-02-14 11:35:32 -08:00
|
|
|
})
|
2014-03-05 18:03:56 -08:00
|
|
|
.on('error', function(err) {
|
|
|
|
return c(err);
|
|
|
|
})
|
|
|
|
.on('end', function(err) {
|
|
|
|
return c(err, ret);
|
|
|
|
});
|
|
|
|
};
|
|
|
|
|
|
|
|
TransactionDb.prototype.handleBlockChange = function(hash, isMain, cb) {
|
|
|
|
var toChange = [];
|
|
|
|
console.log('\tSearching Txs from block:' + hash);
|
|
|
|
|
|
|
|
var k = FROM_BLK_PREFIX + hash;
|
|
|
|
var k2 = IN_BLK_PREFIX;
|
|
|
|
// This is slow, but prevent us to create a new block->tx index.
|
|
|
|
db.createReadStream({
|
|
|
|
start: k,
|
|
|
|
end: k + '~'
|
|
|
|
})
|
|
|
|
.on('data', function(data) {
|
|
|
|
var ks = data.key.split('-');
|
|
|
|
toChange.push({
|
|
|
|
key: k2 + ks[2] + '-' + ks[1],
|
|
|
|
type: 'put',
|
|
|
|
value: isMain ? 1 : 0,
|
2014-02-08 05:57:37 -08:00
|
|
|
});
|
2014-03-05 18:03:56 -08:00
|
|
|
})
|
|
|
|
.on('error', function(err) {
|
|
|
|
return cb(err);
|
|
|
|
})
|
|
|
|
.on('end', function(err) {
|
|
|
|
if (err) return cb(err);
|
|
|
|
console.log('\t%s %d Txs', isMain ? 'Confirming' : 'Invalidating', toChange.length);
|
|
|
|
db.batch(toChange, cb);
|
|
|
|
});
|
|
|
|
};
|
2014-02-06 05:20:49 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
// txs can be a [hashes] or [txObjects]
|
|
|
|
TransactionDb.prototype.createFromArray = function(txs, blockHash, next) {
|
|
|
|
var self = this;
|
|
|
|
if (!txs) return next();
|
2014-02-03 18:30:46 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
async.forEachLimit(txs, CONCURRENCY, function(t, each_cb) {
|
|
|
|
if (typeof t === 'string') {
|
|
|
|
// TODO: parse it from networks.genesisTX?
|
|
|
|
if (t === genesisTXID) return each_cb();
|
2014-02-03 18:30:46 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
Rpc.getTxInfo(t, function(err, inInfo) {
|
|
|
|
if (!inInfo) return each_cb(err);
|
2014-02-03 18:30:46 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
return self.add(inInfo, blockHash, each_cb);
|
|
|
|
});
|
|
|
|
} else {
|
|
|
|
return self.add(t, blockHash, each_cb);
|
|
|
|
}
|
|
|
|
},
|
|
|
|
function(err) {
|
|
|
|
return next(err);
|
|
|
|
});
|
|
|
|
};
|
2014-02-03 18:30:46 -08:00
|
|
|
|
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
TransactionDb.prototype.createFromBlock = function(b, next) {
|
|
|
|
var self = this;
|
|
|
|
if (!b || !b.tx) return next();
|
2014-02-03 18:30:46 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
return self.createFromArray(b.tx, b.hash, next);
|
|
|
|
};
|
2014-02-03 22:22:58 -08:00
|
|
|
|
2014-03-05 18:03:56 -08:00
|
|
|
module.exports = require('soop')(TransactionDb);
|