503 lines
14 KiB
JavaScript
503 lines
14 KiB
JavaScript
const util = require('util');
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const utils = require('./utils');
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const db = require("./db");
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const dbhelper = require("./dbhelper");
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const bchelper = require("./bchelper");
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const log = require("./log");
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const dblog = require("./dblog");
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const bc = require('./blockchain');
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const metamgr = require('./metamgr');
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const C = require('./C');
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/*
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1、数据库被认为是可靠如果数据库操作失败则应该挂起
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2、区块链查询操作没啥成本可以多次调用，写入操作需谨慎！！！
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重试的情况：
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1、调用合约后当前块的高度>合约高度 + 6并且getPastEvent里查询不到该事件
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2、网络通（目前未处理）
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3、 Returned error: replacement transaction underpriced
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*/
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class BoxOrder {
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constructor(orderDb, isNewOrder) {
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this.isNewOrder = isNewOrder;
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this.orderDb = orderDb;
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}
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init () {
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if (this.isNewOrder) {
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setTimeout(this.start.bind(this), utils.randRange(100, 1000));
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} else {
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setTimeout(this.start.bind(this), utils.randRange(1000, 3000));
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}
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}
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async start() {
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//支付
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await this.payment();
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//创建nft
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await this.mint();
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}
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async payment() {
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if (!this.isPaid()) {
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let tryCount = 0;
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do {
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//同步到链上
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await this.sync();
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//等待确认
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const confirmed = await this.confirm();
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if (confirmed) {
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return;
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}
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++tryCount;
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await utils.sleep(utils.randRange(1500, 4000));
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//块没被确认
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['state', 0],
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['bc_synced', 0],
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['bc_result', 0],
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['bc_block_number', 0],
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['bc_sync_block_number', 0],
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]);
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this.orderDb['state'] = 0;
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this.orderDb['bc_synced'] = 0;
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this.orderDb['bc_result'] = 0;
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this.orderDb['bc_block_number'] = 0;
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this.orderDb['bc_sync_block_number'] = 0;
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} while (this.orderDb['bc_sync_count'] < 3 && tryCount < 3);
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await this.doSuspend(logClass, 'order not found');
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}
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}
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async mint() {
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const logClass = 'mint';
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if (!this.isMinted()) {
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const found = await this.bcSearchToken();
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if (!found) {
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await this.bcMintHero();
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}
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}
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await this.dbMintHero();
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await this.updateDbMustBeSuccess(logClass,
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[
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['done', 1]
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]);
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utils.emitEvent(C.REMOVE_PENDING_ORDER_EVENT, this.getOrderId());
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}
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async sync() {
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if (!this.isSynced()) {
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//查询
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const found = await this.bcSearch();
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if (!found) {
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//上链
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const ok = await this.bcSync();
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if (!ok) {
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utils.emitEvent(C.REMOVE_PENDING_ORDER_EVENT, this.getOrderId());
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return;
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}
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}
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}
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}
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async bcSearch() {
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const logClass = 'bcSearch';
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let events = [];
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if (this.getSyncBlockNumber() <= 0) {
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return false;
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}
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while (true) {
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try {
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const fromBlock = Math.max(this.getSyncBlockNumber() - 1000, 0);
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events = await bc.mallInstance.getPastEvents(
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'BEBoxPaid',
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{
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fromBlock: fromBlock,
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toBlock: fromBlock + 5000 - 1,
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filter: {
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boxId: this.getOrderId()
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}
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});
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break;
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} catch (err) {
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log.warning(util.format('%s getPastEvents orderDb:%s err:%s',
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logClass,
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utils.jsonEncode(this.getOrderDb()),
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err
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));
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}
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await utils.sleep(1000 * 3);
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}
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if (events.length > 0) {
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const blockNumber = events[0]['blockNumber'];
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if (!blockNumber) {
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await this.doSuspend(logClass, 'blocNumber is empty');
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}
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['state', C.ORDER_STATE_PAID],
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['bc_synced', 1],
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['bc_result', 1],
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['bc_sync_block_number', blockNumber],
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]);
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this.orderDb['state'] = C.ORDER_STATE_PAID;
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this.orderDb['bc_synced'] = 1;
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this.orderDb['bc_result'] = 1;
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this.orderDb['bc_sync_block_number'] = blockNumber;
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}
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return events.length > 0;
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}
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async bcSync() {
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await bc.mustBeActive();
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const logClass = 'bcSync';
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if (this.getSyncBlockNumber() <= 0) {
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const currBlockNumber = bc.getCurrBlockNumber();
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['bc_sync_block_number', currBlockNumber],
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]
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);
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this.orderDb['bc_sync_block_number'] = currBlockNumber;
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}
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const nowTime = utils.getUtcTime();
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const doSync = async () => {
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let result = null;
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try {
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await dblog.addLog(
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'order.sync',
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'prepare',
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this.getOrderId(),
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utils.jsonEncode(this.getOrderDb()));
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result = await bc.mallInstance.methods.payForBoxWithSignature(
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this.orderDb['order_id'],
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this.orderDb['type'],
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this.orderDb['buyer_address'],
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this.orderDb['price'],
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this.orderDb['payment_token_address'],
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this.orderDb['nonce'],
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this.orderDb['signature']).send({gas: 1000000});
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await dblog.addLog(
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'order.sync',
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'success',
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this.getOrderId(),
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utils.jsonEncode(this.getOrderDb()),
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utils.jsonEncode(result));
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} catch (err) {
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await dblog.addLog(
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'order.sync',
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'failed',
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this.getOrderId(),
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utils.jsonEncode(this.getOrderDb()),
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err);
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['suspend', 1],
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['suspend_reason', '' . err],
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]
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);
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await this.doSuspend(logClass, err);
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}
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return result;
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};
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try {
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const result = await doSync();
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const blockNumber = result['blockNumber'];
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['state', C.ORDER_STATE_PAID],
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['bc_synced', 1],
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['bc_sync_count', this.orderDb['bc_sync_count'] + 1],
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['bc_sync_time', nowTime],
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['bc_result', 1],
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['bc_block_number', blockNumber],
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['bc_fail_reason', ''],
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]
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);
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this.orderDb['state'] = C.ORDER_STATE_PAID;
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this.orderDb['bc_synced'] = 1;
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this.orderDb['bc_sync_count'] += 1;
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this.orderDb['bc_sync_time'] = nowTime;
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this.orderDb['bc_result'] = 1;
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this.orderDb['bc_block_number'] = blockNumber;
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return true;
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} catch (e) {
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log.warning(util.format('%s end orderDb:%s err:%s',
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logClass,
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utils.jsonEncode(this.orderDb),
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e
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)
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);
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}
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return false;
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}
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async confirm() {
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const logClass = 'confirm';
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while (true) {
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if (bc.isComfirmed(this.getBlockNumber())) {
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const found = await this.bcSearch();
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return found;
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break;
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}
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await utils.sleep(1000 * 3);
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}
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return false;
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}
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async bcSearchToken() {
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const logClass = 'bcSearchToken';
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let events = [];
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if (this.getMintBlockNumber() <= 0) {
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return false;
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}
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while (true) {
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try {
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const fromBlock = Math.max(this.getMintBlockNumber() - 1000, 0);
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events = await bc.factoryInstance.getPastEvents(
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'TokenMinted',
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{
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fromBlock: fromBlock,
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toBlock: fromBlock + 5000 - 1,
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filter: {
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tokenId: this.getTokenId()
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}
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});
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break;
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} catch (err) {
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log.warning(util.format('%s getPastEvents orderDb:%s err:%s',
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logClass,
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utils.jsonEncode(this.getOrderDb()),
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err
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));
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}
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await utils.sleep(1000 * 3);
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}
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if (events.length > 0) {
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const blockNumber = events[0]['blockNumber'];
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const nowTime = utils.getUtcTime();
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if (!blockNumber) {
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await this.doSuspend(logClass, 'blocNumber is empty');
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}
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['bc_minted', 1],
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['bc_mint_time', nowTime],
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['bc_mint_block_number', blockNumber],
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]);
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this.orderDb['bc_minted'] = 1;
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this.orderDb['bc_mint_time'] = nowTime;
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this.orderDb['bc_mint_block_number'] = blockNumber;
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}
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return events.length > 0;
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}
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async bcMintHero() {
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await bc.mustBeActive();
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const logClass = 'bcMintHero';
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const buyerAddress = this.getBuyerAddress();
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const tokenId = this.getTokenId();
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const nowTime = utils.getUtcTime();
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const doMint = async() => {
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let result = null;
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try {
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await dblog.addLog(
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'order.mint',
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'prepare',
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this.getOrderId(),
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utils.jsonEncode(this.getOrderDb()));
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result = await bc.factoryInstance.methods.mintHeroTo(
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buyerAddress,
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tokenId).send({ gas: 1000000 });
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await dblog.addLog(
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'order.mint',
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'success',
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this.getOrderId(),
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utils.jsonEncode(this.getOrderDb()),
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utils.jsonEncode(result));
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} catch (err) {
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await dblog.addLog(
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'order.mint',
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'failed',
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this.getOrderId(),
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utils.jsonEncode(this.getOrderDb()),
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err);
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['suspend', 1],
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['suspend_reason', '' . err],
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]
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);
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await this.doSuspend(logClass, err);
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}
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return result;
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};
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try {
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const result = await doMint();
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const blockNumber = result['blockNumber'];
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await this.updateDbMustBeSuccess(
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logClass,
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[
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['bc_minted', 1],
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['bc_mint_time', nowTime],
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]
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);
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this.orderDb['bc_minted'] = 1;
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this.orderDb['bc_mint_time'] = nowTime;
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return true;
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} catch (err) {
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}
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return false;
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}
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async dbMintHero() {
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const logClass = 'dbMintHero';
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const tokenId = this.getTokenId();
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const nowTime = utils.getUtcTime();
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{
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const fieldList = [
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['token_id', tokenId],
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['item_id', this.orderDb['item_id']],
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['owner_id', ''],
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['owner_address', this.orderDb['buyer_address']],
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['owner_name', ''],
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['createtime', nowTime],
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['modifytime', nowTime],
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];
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const err = await dbhelper.insert(
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't_nft',
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fieldList);
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if (err) {
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log.error(util.format('%s insert nft table orderDb:%s fieldList:%s err:%s',
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logClass,
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utils.jsonEncode(this.orderDb),
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utils.jsonEncode(fieldList),
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err
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)
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);
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} else {
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log.info(util.format('%s insert nft table orderDb:%s',
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logClass,
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utils.jsonEncode(this.orderDb),
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utils.jsonEncode(fieldList)
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)
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);
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}
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}
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}
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async updateDbMustBeSuccess(logClass, fieldList) {
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const err = await dbhelper.update(
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't_box_order',
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[
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['order_id', this.getOrderId()]
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],
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fieldList);
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if (err) {
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log.error(util.format('%s updateDbMustBeSuccess orderDb:%s fieldList:%s err:%s',
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logClass,
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utils.jsonEncode(this.orderDb),
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utils.jsonEncode(fieldList),
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err
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)
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);
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await this.doSuspend(logClass + ' updateDbMustBeSuccess ', err);
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} else {
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log.info(util.format('%s updateDbMustBeSuccess orderDb:%s',
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logClass,
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utils.jsonEncode(this.orderDb),
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utils.jsonEncode(fieldList)
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)
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);
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}
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return err;
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}
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async doSuspend(logClass, reason) {
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//挂起等待人工处理
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try {
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log.warning(util.format('%s doSuspend orderDb:%s reason:%s',
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logClass,
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utils.jsonEncode(this.orderDb),
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reason
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)
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);
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} catch (err) {
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log.error(util.format('%s doSuspend orderDb:%s err:%s',
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logClass,
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utils.jsonEncode(this.orderDb),
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err
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)
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);
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}
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while (true) {
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await utils.sleep(1000 * 3600 * 24);
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}
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}
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getOrderDb() {
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return this.orderDb;
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}
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getOrderId() {
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return this.orderDb['order_id'];
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}
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getBuyerAddress() {
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return this.orderDb['buyer_address'];
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}
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getTokenId() {
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return this.orderDb['token_id'];
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}
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getBlockNumber() {
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return this.orderDb['bc_block_number'];
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}
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isPaid() {
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return this.orderDb['state'] == C.ORDER_STATE_PAID;
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}
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isSynced() {
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return this.orderDb['bc_synced'] != 0;
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}
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isMinted() {
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return this.orderDb['bc_minted'] != 0;
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}
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getSyncBlockNumber() {
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return this.orderDb['bc_sync_block_number'];
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}
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getMintBlockNumber() {
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return this.orderDb['bc_mint_block_number'];
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}
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isFail() {
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return this.isSynced() && this.orderDb['bc_result'] != C.BC_RESULT_OK;
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}
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isNetError(err) {
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const errStr = '' + err;
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return errStr && errStr.indexOf('connection not open on send') >= 0;
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}
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};
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exports.BoxOrder = BoxOrder;
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