750 lines
19 KiB
JavaScript
750 lines
19 KiB
JavaScript
'use strict';
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var imports = require('soop').imports();
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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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// to sum up addr balance (only outs, spents are gotten later)
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var ADDR_PREFIX = 'txa2-'; //txa-<addr>-<tsr>-<txid>-<n>
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// tsr = 1e13-js_timestamp
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// => + btc_sat [:isConfirmed:[scriptPubKey|isSpendConfirmed:SpentTxid:SpentVout:SpentTs]
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// |balance:txApperances
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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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var DEFAULT_SAFE_CONFIRMATIONS = 6;
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var MAX_OPEN_FILES = 500;
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var END_OF_WORLD_TS = 1e13;
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// var CONFIRMATION_NR_TO_NOT_CHECK = 10; //Spend
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/**
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* Module dependencies.
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*/
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var bitcore = require('bitcore'),
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Rpc = imports.rpc || require('./Rpc'),
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util = bitcore.util,
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networks = bitcore.networks,
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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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Script = bitcore.Script,
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bitcoreUtil = bitcore.util,
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buffertools = require('buffertools');
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var logger = require('./logger').logger;
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var db = imports.db || levelup(config.leveldb + '/txs', {
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maxOpenFiles: MAX_OPEN_FILES
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});
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var PoolMatch = imports.poolMatch || require('soop').load('./PoolMatch', config);
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// This is 0.1.2 = > c++ version of base58-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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parent: encodedData
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});
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var Address = require('soop').load('bitcore/lib/Address', {
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parent: versionedData
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});
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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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this.poolMatch = new PoolMatch();
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this.safeConfirmations = config.safeConfirmations || DEFAULT_SAFE_CONFIRMATIONS;
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this._db = db; // this is only exposed for migration script
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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, {
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maxOpenFiles: 500
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});
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return cb();
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});
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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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});
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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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});
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idx[parseInt(k[2])] = i++;
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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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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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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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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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TransactionDb.prototype._fillSpent = function(info, cb) {
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var self = this;
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if (!info) return cb();
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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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})
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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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TransactionDb.prototype._fillOutpoints = function(txInfo, cb) {
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var self = this;
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if (!txInfo || txInfo.isCoinBase) return cb();
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var valueIn = 0;
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var incompleteInputs = 0;
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async.eachLimit(txInfo.vin, CONCURRENCY, function(i, c_in) {
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self.fromTxIdN(i.txid, i.vout, function(err, ret) {
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if (!ret || !ret.addr || !ret.valueSat) {
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logger.info('Could not get TXouts in %s,%d from %s ', i.txid, i.vout, txInfo.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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txInfo.firstSeenTs = ret.ts;
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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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if (ret.multipleSpentAttempt || !ret.spentTxId ||
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(ret.spentTxId && ret.spentTxId !== txInfo.txid)
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) {
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if (ret.multipleSpentAttempts) {
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ret.multipleSpentAttempts.forEach(function(mul) {
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if (mul.spentTxId !== txInfo.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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} else {
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i.doubleSpentTxID = ret.spentTxId;
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i.doubleSpentIndex = ret.spentIndex;
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}
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} else {
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i.doubleSpentTxID = null;
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}
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return c_in();
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});
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},
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function() {
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if (!incompleteInputs) {
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txInfo.valueIn = valueIn / util.COIN;
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txInfo.fees = (valueIn - (txInfo.valueOut * util.COIN)).toFixed(0) / util.COIN;
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} else {
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txInfo.incompleteInputs = 1;
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}
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return cb();
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});
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};
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TransactionDb.prototype._getInfo = function(txid, next) {
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var self = this;
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Rpc.getTxInfo(txid, function(err, txInfo) {
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if (err) return next(err);
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self._fillOutpoints(txInfo, function() {
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self._fillSpent(txInfo, function() {
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return next(null, txInfo);
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});
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});
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});
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};
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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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TransactionDb.prototype.fromIdWithInfo = function(txid, cb) {
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var self = this;
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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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});
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});
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};
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// Gets address info from an outpoint
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TransactionDb.prototype.fromTxIdN = function(txid, n, cb) {
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var self = this;
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var k = OUTS_PREFIX + txid + '-' + n;
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db.get(k, function(err, val) {
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var ret;
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if (!val || (err && err.notFound)) {
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err = null;
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ret = {
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unconfirmedInput: 1
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};
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} else {
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var a = val.split(':');
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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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// spent?
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var k = SPENT_PREFIX + txid + '-' + n + '-';
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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(ret, k[3], k[4], data.value);
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})
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.on('error', function(error) {
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return cb(error);
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})
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.on('end', function() {
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return cb(null, ret);
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});
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});
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};
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TransactionDb.prototype.deleteCacheForAddress = function(addr, cb) {
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var k = ADDR_PREFIX + addr + '-';
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var dbScript = [];
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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 v = data.value.split(':');
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dbScript.push({
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type: 'put',
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key: data.key,
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value: v[0],
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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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db.batch(dbScript, cb);
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});
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};
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TransactionDb.prototype.cacheConfirmations = function(txouts, cb) {
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var self = this;
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var dbScript = [];
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for (var ii in txouts) {
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var txout = txouts[ii];
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//everything already cached?
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if (txout.spentIsConfirmedCached) {
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continue;
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}
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var infoToCache = [];
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if (txout.confirmations >= self.safeConfirmations) {
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if (txout.spentConfirmations >= self.safeConfirmations) {
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// if spent, we overwrite scriptPubKey cache (not needed anymore)
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// First 1 = txout.isConfirmedCached (must be equal to 1 at this point)
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infoToCache = [1, 1, txout.spentTxId, txout.spentIndex, txout.spentTs];
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} else {
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if (!txout.isConfirmedCached) {
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infoToCache.push(1);
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txout.confirmedWillBeCached = 1;
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}
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}
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//console.log('[TransactionDb.js.352:infoToCache:]',infoToCache); //TODO
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if (infoToCache.length) {
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infoToCache.unshift(txout.value_sat);
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dbScript.push({
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type: 'put',
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key: txout.key,
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value: infoToCache.join(':'),
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});
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}
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}
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}
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//console.log('[TransactionDb.js.339:dbScript:]',dbScript); //TODO
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db.batch(dbScript, cb);
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};
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TransactionDb.prototype.cacheScriptPubKey = function(txouts, cb) {
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// console.log('[TransactionDb.js.381:cacheScriptPubKey:]'); //TODO
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var self = this;
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var dbScript = [];
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for (var ii in txouts) {
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var txout = txouts[ii];
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//everything already cached?
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if (txout.scriptPubKeyCached || txout.spentTxId) {
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continue;
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}
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if (txout.scriptPubKey) {
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var infoToCache = [txout.value_sat, (txout.isConfirmedCached || txout.confirmedWillBeCached) ? 1 : 0, txout.scriptPubKey];
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dbScript.push({
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type: 'put',
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key: txout.key,
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value: infoToCache.join(':'),
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});
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}
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}
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db.batch(dbScript, cb);
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};
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TransactionDb.prototype._parseAddrData = function(k, data, ignoreCache) {
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var v = data.value.split(':');
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// console.log('[TransactionDb.js.375]',data.key,data.value);
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var item = {
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key: data.key,
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ts: END_OF_WORLD_TS - parseInt(k[2]),
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txid: k[3],
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index: parseInt(k[4]),
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value_sat: parseInt(v[0]),
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};
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if (ignoreCache)
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return item;
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// Cache:
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// v[1]== isConfirmedCached
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// v[2]=== '1' -> is SpendCached -> [4]=spendTxId [5]=spentIndex [6]=spendTs
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// v[2]!== '1' -> is ScriptPubkey -> [[2] = scriptPubkey
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if (v[1] === '1') {
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item.isConfirmed = 1;
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item.isConfirmedCached = 1;
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// console.log('[TransactionDb.js.356] CACHE HIT CONF:', item.key);
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// Sent, confirmed
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if (v[2] === '1') {
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// console.log('[TransactionDb.js.356] CACHE HIT SPENT:', item.key);
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item.spentIsConfirmed = 1;
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item.spentIsConfirmedCached = 1;
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item.spentTxId = v[3];
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item.spentIndex = parseInt(v[4]);
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item.spentTs = parseInt(v[5]);
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}
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// Scriptpubkey cached
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else if (v[2]) {
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item.scriptPubKey = v[2];
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item.scriptPubKeyCached = 1;
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// console.log('[TransactionDb.js.356] CACHE HIT SCRIPTPUBKEY:', item.key, v, item.scriptPubKey);
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}
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}
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return item;
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};
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TransactionDb.prototype.fromAddr = function(addr, opts, cb) {
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opts = opts || {};
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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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var unique = {};
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db.createReadStream({
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start: k,
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end: k + '~',
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limit: opts.txLimit > 0 ? opts.txLimit : -1, // -1 means not limit
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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 index = k[3] + k[4];
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if (!unique[index]) {
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unique[index] = 1;
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ret.push(self._parseAddrData(k, data, opts.ignoreCache));
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}
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})
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.on('error', cb)
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.on('end', function() {
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async.eachLimit(ret.filter(function(x) {
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return !x.spentIsConfirmed;
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}), CONCURRENCY, function(o, e_c) {
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var k = SPENT_PREFIX + o.txid + '-' + o.index + '-';
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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(o, k[3], k[4], data.value);
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})
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.on('error', e_c)
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.on('end', e_c);
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},
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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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TransactionDb.prototype._fromBuffer = function(buf) {
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var buf2 = buffertools.reverse(buf);
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return parseInt(buf2.toString('hex'), 16);
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};
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TransactionDb.prototype.getStandardizedTx = function(tx, time, isCoinBase) {
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var self = this;
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tx.txid = bitcoreUtil.formatHashFull(tx.getHash());
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var ti = 0;
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tx.vin = tx.ins.map(function(txin) {
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var ret = {
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n: ti++
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};
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if (isCoinBase) {
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ret.isCoinBase = true;
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} else {
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ret.txid = buffertools.reverse(new Buffer(txin.getOutpointHash())).toString('hex');
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ret.vout = txin.getOutpointIndex();
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}
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return ret;
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});
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var to = 0;
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tx.vout = tx.outs.map(function(txout) {
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var val;
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if (txout.s) {
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var s = new Script(txout.s);
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var addrs = new Address.fromScriptPubKey(s, config.network);
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// support only for p2pubkey p2pubkeyhash and p2sh
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if (addrs && addrs.length === 1) {
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val = {
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addresses: [addrs[0].toString()]
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};
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}
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}
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return {
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valueSat: self._fromBuffer(txout.v),
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|
scriptPubKey: val,
|
|
n: to++,
|
|
};
|
|
});
|
|
tx.time = time;
|
|
return tx;
|
|
};
|
|
|
|
|
|
TransactionDb.prototype.fillScriptPubKey = function(txouts, cb) {
|
|
var self = this;
|
|
// Complete utxo info
|
|
async.eachLimit(txouts, CONCURRENCY, function(txout, a_c) {
|
|
self.fromIdInfoSimple(txout.txid, function(err, info) {
|
|
if (!info || !info.vout) return a_c(err);
|
|
|
|
txout.scriptPubKey = info.vout[txout.index].scriptPubKey.hex;
|
|
return a_c();
|
|
});
|
|
}, function() {
|
|
self.cacheScriptPubKey(txouts, cb);
|
|
});
|
|
};
|
|
|
|
TransactionDb.prototype.removeFromTxId = function(txid, cb) {
|
|
async.series([
|
|
|
|
function(c) {
|
|
db.createReadStream({
|
|
start: OUTS_PREFIX + txid + '-',
|
|
end: OUTS_PREFIX + txid + '~',
|
|
}).pipe(
|
|
db.createWriteStream({
|
|
type: 'del'
|
|
})
|
|
).on('close', c);
|
|
},
|
|
function(c) {
|
|
db.createReadStream({
|
|
start: SPENT_PREFIX + txid + '-',
|
|
end: SPENT_PREFIX + txid + '~'
|
|
})
|
|
.pipe(
|
|
db.createWriteStream({
|
|
type: 'del'
|
|
})
|
|
).on('close', c);
|
|
}
|
|
],
|
|
function(err) {
|
|
cb(err);
|
|
});
|
|
|
|
};
|
|
|
|
|
|
// relatedAddrs is an optional hash, to collect related addresses in the transaction
|
|
TransactionDb.prototype._addScript = function(tx, relatedAddrs) {
|
|
var dbScript = [];
|
|
var ts = tx.time;
|
|
var txid = tx.txid || tx.hash;
|
|
// var u=require('util');
|
|
// console.log('[TransactionDb.js.518]', u.inspect(tx,{depth:10})); //TODO
|
|
// Input Outpoints (mark them as spent)
|
|
for (var ii in tx.vin) {
|
|
var i = tx.vin[ii];
|
|
if (i.txid) {
|
|
var k = SPENT_PREFIX + i.txid + '-' + i.vout + '-' + txid + '-' + i.n;
|
|
dbScript.push({
|
|
type: 'put',
|
|
key: k,
|
|
value: ts || 0,
|
|
});
|
|
}
|
|
}
|
|
|
|
for (var ii in tx.vout) {
|
|
var o = tx.vout[ii];
|
|
if (o.scriptPubKey && o.scriptPubKey.addresses &&
|
|
o.scriptPubKey.addresses[0] && !o.scriptPubKey.addresses[1] // TODO : not supported=> standard multisig
|
|
) {
|
|
var addr = o.scriptPubKey.addresses[0];
|
|
var sat = o.valueSat || ((o.value || 0) * util.COIN).toFixed(0);
|
|
|
|
if (relatedAddrs) relatedAddrs[addr] = 1;
|
|
var k = OUTS_PREFIX + txid + '-' + o.n;
|
|
var tsr = END_OF_WORLD_TS - ts;
|
|
dbScript.push({
|
|
type: 'put',
|
|
key: k,
|
|
value: addr + ':' + sat,
|
|
}, {
|
|
type: 'put',
|
|
key: ADDR_PREFIX + addr + '-' + tsr + '-' + txid + '-' + o.n,
|
|
value: sat,
|
|
});
|
|
}
|
|
}
|
|
return dbScript;
|
|
};
|
|
|
|
// adds an unconfimed TX
|
|
TransactionDb.prototype.add = function(tx, cb) {
|
|
var relatedAddrs = {};
|
|
var dbScript = this._addScript(tx, relatedAddrs);
|
|
db.batch(dbScript, function(err) {
|
|
return cb(err, relatedAddrs);
|
|
});
|
|
};
|
|
|
|
TransactionDb.prototype._addManyFromObjs = function(txs, next) {
|
|
var dbScript = [];
|
|
for (var ii in txs) {
|
|
var s = this._addScript(txs[ii]);
|
|
dbScript = dbScript.concat(s);
|
|
}
|
|
db.batch(dbScript, next);
|
|
};
|
|
|
|
TransactionDb.prototype._addManyFromHashes = function(txs, next) {
|
|
var self = this;
|
|
var dbScript = [];
|
|
async.eachLimit(txs, CONCURRENCY, function(tx, each_cb) {
|
|
if (tx === genesisTXID)
|
|
return each_cb();
|
|
|
|
Rpc.getTxInfo(tx, function(err, inInfo) {
|
|
if (!inInfo) return each_cb(err);
|
|
dbScript = dbScript.concat(self._addScript(inInfo));
|
|
return each_cb();
|
|
});
|
|
},
|
|
function(err) {
|
|
if (err) return next(err);
|
|
db.batch(dbScript, next);
|
|
});
|
|
};
|
|
|
|
|
|
TransactionDb.prototype.addMany = function(txs, next) {
|
|
if (!txs) return next();
|
|
|
|
var fn = (typeof txs[0] === 'string') ?
|
|
this._addManyFromHashes : this._addManyFromObjs;
|
|
|
|
return fn.apply(this, [txs, next]);
|
|
};
|
|
|
|
|
|
TransactionDb.prototype.getPoolInfo = function(txid, cb) {
|
|
var self = this;
|
|
|
|
Rpc.getTxInfo(txid, function(err, txInfo) {
|
|
if (err) return cb(false);
|
|
var ret;
|
|
|
|
if (txInfo && txInfo.isCoinBase)
|
|
ret = self.poolMatch.match(new Buffer(txInfo.vin[0].coinbase, 'hex'));
|
|
|
|
return cb(ret);
|
|
});
|
|
};
|
|
|
|
|
|
TransactionDb.prototype.checkVersion02 = function(cb) {
|
|
var k = 'txa-';
|
|
var isV2 = 1;
|
|
db.createReadStream({
|
|
start: k,
|
|
end: k + '~',
|
|
limit: 1,
|
|
})
|
|
.on('data', function(data) {
|
|
isV2 = 0;
|
|
})
|
|
.on('end', function() {
|
|
return cb(isV2);
|
|
});
|
|
};
|
|
|
|
TransactionDb.prototype.migrateV02 = function(cb) {
|
|
var k = 'txa-';
|
|
var dbScript = [];
|
|
var c = 0;
|
|
var c2 = 0;
|
|
var N = 50000;
|
|
db.createReadStream({
|
|
start: k,
|
|
end: k + '~'
|
|
})
|
|
.on('data', function(data) {
|
|
var k = data.key.split('-');
|
|
var v = data.value.split(':');
|
|
dbScript.push({
|
|
type: 'put',
|
|
key: ADDR_PREFIX + k[1] + '-' + (END_OF_WORLD_TS - parseInt(v[1])) + '-' + k[2] + '-' + k[3],
|
|
value: v[0],
|
|
});
|
|
if (c++ > N) {
|
|
console.log('\t%dM txs outs processed', ((c2 += N) / 1e6).toFixed(3)); //TODO
|
|
db.batch(dbScript, function() {
|
|
c = 0;
|
|
dbScript = [];
|
|
});
|
|
}
|
|
})
|
|
.on('error', function(err) {
|
|
return cb(err);
|
|
})
|
|
.on('end', function() {
|
|
return cb();
|
|
});
|
|
};
|
|
|
|
|
|
|
|
module.exports = require('soop')(TransactionDb);
|