mirror of
https://github.com/GOSTSec/gostexplr
synced 2025-01-29 16:04:32 +00:00
Sync blockchain script without babel
This commit is contained in:
xcps
parent
1819eef965
commit
1557733a48
@ -1,158 +0,0 @@
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var http = require('http');
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var models = require('../models');
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var rpcConfig = require('../config/config')['rpc'];
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const {username, password, hostname, port} = rpcConfig;
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function MakeRPCRequest(postData) {
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return new Promise(function(resolve, reject) {
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var post_options = {
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host: hostname,
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port: port,
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auth: `${username}:${password}`,
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path: '/',
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method: 'POST',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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'Content-Length': Buffer.byteLength(postData)
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}
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};
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var post_req = http.request(post_options, function(res) {
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res.setEncoding("utf8");
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let body = "";
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res.on("data", data => {
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body += data;
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});
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res.on("end", () => {
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resolve(body);
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});
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});
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post_req.write(postData);
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post_req.end();
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});
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}
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async function saveTransaction(txid, blockHeight) {
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const res_tx = await MakeRPCRequest(JSON.stringify({
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method: 'getrawtransaction',
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params: [txid, 1],
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id: 1
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}));
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const tx = JSON.parse(res_tx)['result'];
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// console.log('tx:', tx);
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if (tx === null) {
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await models.Failure.create({
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msg: `${txid} fetching failed`,
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});
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return;
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}
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const transaction = await models.Transaction.create({
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txid: tx.txid,
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BlockHeight: blockHeight,
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});
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for (var i = 0; i < tx.vout.length; i++) {
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const vout = tx.vout[i];
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const m_vout = await models.Vout.create({
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value: vout.value,
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});
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for (var y = 0; y < vout.scriptPubKey.addresses.length; y++) {
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const address = vout.scriptPubKey.addresses[y];
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let m_address = await models.Address.findOne({
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where: {
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address,
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},
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});
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if (m_address === null) {
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m_address = await models.Address.create({
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address,
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});
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}
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await m_vout.addAddresses(m_address);
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}
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await transaction.addVouts(m_vout);
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}
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for (var i = 0; i < tx.vin.length; i++) {
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const vin = tx.vin[i];
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if (vin.txid) {
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const trans = await models.Transaction.findOne({
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where: {
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txid: vin.txid,
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},
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});
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if (trans) {
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await transaction.addTxtx(trans);
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}
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}
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}
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}
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async function syncNextBlock(syncedHeight) {
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const height = syncedHeight + 1;
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const res_hash = await MakeRPCRequest(JSON.stringify({
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method: 'getblockhash',
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params: [height],
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id: 1
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}));
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const blockHash = JSON.parse(res_hash)['result'];
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const res_block = await MakeRPCRequest(JSON.stringify({
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method: 'getblock',
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params: [blockHash],
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id: 1
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}));
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const block = JSON.parse(res_block)['result'];
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block.time = new Date(block.time * 1000);
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await models.Block.create(block);
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for (var i = 0; i < block.tx.length; i++) {
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await saveTransaction(block.tx[i], block.height);
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}
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if (block.height > 1) {
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await models.Block.update({
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nextblockhash: block.hash
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},{
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where: {
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hash: block.previousblockhash
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}
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});
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}
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return height;
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}
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async function getCurrentHeight() {
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const result = await MakeRPCRequest(JSON.stringify({
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method: 'getblockcount',
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params: [],
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id: 1
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}));
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return JSON.parse(result)['result'];
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}
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async function getSyncedHeight() {
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const result = await models.Block.findOne({
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attributes: ['height'],
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order: [['height', 'DESC']],
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limit: 1
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});
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const height = result ? result.height : -1;
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return height;
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}
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async function syncBlockchain() {
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let syncedHeight = await getSyncedHeight();
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console.log('\x1b[36m%s\x1b[0m', 'syncedHeight is', syncedHeight);
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let currentHeight = await getCurrentHeight();
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console.log('\x1b[36m%s\x1b[0m', 'currentHeight is', currentHeight);
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try {
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while (syncedHeight < currentHeight) {
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syncedHeight = await syncNextBlock(syncedHeight);
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console.log('\x1b[36m%s\x1b[0m', 'syncedHeight: ', syncedHeight)
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}
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} catch (e) {
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console.log('=====', e);
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process.exit(0);
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}
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process.exit(0);
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}
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syncBlockchain();
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@ -1,2 +1,158 @@
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require('babel-register');
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require('./syncBlockchain.babel.js');
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var http = require('http');
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var models = require('../models');
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var rpcConfig = require('../config/config')['rpc'];
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const {username, password, hostname, port} = rpcConfig;
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function MakeRPCRequest(postData) {
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return new Promise(function(resolve, reject) {
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var post_options = {
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host: hostname,
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port: port,
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auth: `${username}:${password}`,
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path: '/',
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method: 'POST',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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'Content-Length': Buffer.byteLength(postData)
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}
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};
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var post_req = http.request(post_options, function(res) {
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res.setEncoding("utf8");
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let body = "";
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res.on("data", data => {
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body += data;
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});
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res.on("end", () => {
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resolve(body);
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});
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});
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post_req.write(postData);
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post_req.end();
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});
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}
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async function saveTransaction(txid, blockHeight) {
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const res_tx = await MakeRPCRequest(JSON.stringify({
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method: 'getrawtransaction',
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params: [txid, 1],
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id: 1
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}));
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const tx = JSON.parse(res_tx)['result'];
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// console.log('tx:', tx);
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if (tx === null) {
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await models.Failure.create({
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msg: `${txid} fetching failed`,
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});
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return;
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}
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const transaction = await models.Transaction.create({
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txid: tx.txid,
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BlockHeight: blockHeight,
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});
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for (var i = 0; i < tx.vout.length; i++) {
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const vout = tx.vout[i];
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const m_vout = await models.Vout.create({
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value: vout.value,
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});
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for (var y = 0; y < vout.scriptPubKey.addresses.length; y++) {
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const address = vout.scriptPubKey.addresses[y];
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let m_address = await models.Address.findOne({
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where: {
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address,
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},
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});
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if (m_address === null) {
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m_address = await models.Address.create({
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address,
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});
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}
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await m_vout.addAddresses(m_address);
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}
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await transaction.addVouts(m_vout);
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}
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for (var i = 0; i < tx.vin.length; i++) {
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const vin = tx.vin[i];
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if (vin.txid) {
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const trans = await models.Transaction.findOne({
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where: {
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txid: vin.txid,
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},
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});
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if (trans) {
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await transaction.addTxtx(trans);
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}
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}
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}
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}
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async function syncNextBlock(syncedHeight) {
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const height = syncedHeight + 1;
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const res_hash = await MakeRPCRequest(JSON.stringify({
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method: 'getblockhash',
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params: [height],
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id: 1
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}));
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const blockHash = JSON.parse(res_hash)['result'];
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const res_block = await MakeRPCRequest(JSON.stringify({
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method: 'getblock',
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params: [blockHash],
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id: 1
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}));
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const block = JSON.parse(res_block)['result'];
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block.time = new Date(block.time * 1000);
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await models.Block.create(block);
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for (var i = 0; i < block.tx.length; i++) {
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await saveTransaction(block.tx[i], block.height);
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}
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if (block.height > 1) {
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await models.Block.update({
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nextblockhash: block.hash
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},{
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where: {
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hash: block.previousblockhash
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}
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});
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}
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return height;
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}
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async function getCurrentHeight() {
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const result = await MakeRPCRequest(JSON.stringify({
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method: 'getblockcount',
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params: [],
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id: 1
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}));
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return JSON.parse(result)['result'];
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}
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async function getSyncedHeight() {
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const result = await models.Block.findOne({
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attributes: ['height'],
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order: [['height', 'DESC']],
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limit: 1
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});
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const height = result ? result.height : -1;
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return height;
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}
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async function syncBlockchain() {
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let syncedHeight = await getSyncedHeight();
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console.log('\x1b[36m%s\x1b[0m', 'syncedHeight is', syncedHeight);
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let currentHeight = await getCurrentHeight();
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console.log('\x1b[36m%s\x1b[0m', 'currentHeight is', currentHeight);
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try {
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while (syncedHeight < currentHeight) {
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syncedHeight = await syncNextBlock(syncedHeight);
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console.log('\x1b[36m%s\x1b[0m', 'syncedHeight: ', syncedHeight)
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}
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} catch (e) {
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console.log('=====', e);
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process.exit(0);
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}
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process.exit(0);
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}
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syncBlockchain();
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@ -6,7 +6,8 @@
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"scripts": {
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"start": "node ./bin/www",
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"initdb": "node ./bin/initdb.js",
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"syncBlockchain": "node ./bin/syncBlockchain.js"
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"syncBlockchain": "node ./bin/syncBlockchain.js",
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"addN": "node ./bin/addNToVouts.js"
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},
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"repository": {
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"type": "git",
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@ -16,7 +17,6 @@
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"node": ">=7.10.1"
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},
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"dependencies": {
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"babel-register": "^6.26.0",
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"body-parser": "~1.18.2",
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"cookie-parser": "~1.4.3",
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"debug": "~2.6.9",
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