147 lines
3.9 KiB
JavaScript
147 lines
3.9 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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class Withdrawal {
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constructor(db, isNew) {
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this.isNew = isNew;
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this.db = db;
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}
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init () {
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setTimeout(this.start.bind(this), utils.randRange(100, 1000));
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}
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async start() {
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const logClass = 'withdrawal.start';
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try {
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await this.doStart();
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} catch (err) {
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await this.suspend(logClass, err);
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}
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}
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async doStart() {
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const logClass = 'withdrawal.doStart';
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const instanceName = this.getInstanceName();
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if (!instanceName) {
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await this.suspend(logClass, 'instanceName is empty');
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return;
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}
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await bc.mustBeActive();
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await this.updateDbMustBeSuccess
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(logClass,
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[
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['state', 1]
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]);
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const instance = bc[instanceName];
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const balance = await instance.methods.balanceOf(metamgr.getUserAddress()).call();
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log.info('balance:' + balance);
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await bc.lock();
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try {
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const result = await instance.methods.transfer
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(this.db['account'],
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'' + this.db['amount']).send({gas: 1000000});
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await this.updateDbMustBeSuccess
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(logClass,
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[
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['state', 2],
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['bc_block_number', result['blockNumber']],
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['bc_txhash', result['transactionHash']],
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['bc_time', utils.getUtcTime()],
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]);
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} catch(err) {
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await this.updateDbMustBeSuccess
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(logClass,
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[
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['state', 3]
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]);
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await this.suspend(logClass, err);
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} finally {
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await bc.unLock();
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}
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}
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getInstanceName() {
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if (this.db['type'] == 1) {
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//金币
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return 'ceg_coinInstance';
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} else if (this.db['type'] == 2) {
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//钻石
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return 'cec_coinInstance';
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} else {
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return '';
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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_withdrawal',
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[
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['idx', this.db['idx']]
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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 withdrawalDb:%s fieldList:%s err:%s',
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logClass,
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utils.jsonEncode(this.db),
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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.suspend(logClass + ' updateDbMustBeSuccess ', err);
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} else {
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fieldList.forEach((val) => {
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const name = val[0];
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const value = val[1];
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this.db[name] = value;
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});
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log.info(util.format('%s updateDbMustBeSuccess db:%s',
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logClass,
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utils.jsonEncode(this.db),
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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 suspend(logClass, reason) {
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/*
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挂起等待人工处理
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为啥不抛出异常是因为：
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如果在调用接口的外部try catch的话，那么挂起操作产生的异常会被吞噬,这样非常危险!!!
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挂起的操作现在为无限等待不受外部try catch影响。
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*/
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try {
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log.warning(util.format('%s suspend withdrawalDb:%s reason:%s',
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logClass,
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utils.jsonEncode(this.db),
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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 suspend withdrawalDb:%s err:%s',
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logClass,
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utils.jsonEncode(this.db),
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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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}
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exports.Withdrawal = Withdrawal;
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