BigBang Core | 生态周报-第二十八期

技术板块

EDPoS

优化P2P同步性能，改进块和交易的同步性能，优化TXINV同步性能，增加POW块并行较验功能，当前测试主网POW块同步速度为33000块/分钟左右，比优化前提升了10倍（优化前同步速度为3000块/分钟左右），该优化后的程序，随着CPU、网络性能的提升，同步性能会同步提升（优化前采用单线程较验，CPU数量增加不会提升同步性能）。

升级EDPoS节点时出现了部分EDPoS节点无法产生CERT交易的问题，导致该部分EDPoS节点无法出EDPoS块，经排查发现是启动时较验和修复功能中对同权重的PoW块计算长链时处理错误，导致TXPOOL的交易不能正确处理，而程序加载TXPOOL没有做较验，导致程序产生CERT交易时提取UNSPENT错误，进而产生CERT交易无前序的错误，所以EDPoS节点无法进共识，该问题已修改并提交了PR，该问题只是启动时产生，把TXPOOL的文件删除后重启，程序就能正常工作，所以当前EDPoS节点程序重启后正常工作，修改后的程序可以放在下个版本升级。该问题主要是对EDPoS节点有影响，如果EDPoS节点不重启，不会产生问题。

发现从0开始同步时，在同步EDPoS块阶段，出现大量的交易在TXPOOL中，使用gettxpool查询交易数时比较慢，通过日志分析，是在同步其它节点的CERT交易后，因缺少前序再去同步交易的前序交易，如此反复同步前序交易，并且由于块高较低，不能销除TXPOOL的交易，所以在TXPOOL中积累了很多交易；同步CERT交易前序的问题已修改，下个版本修复。

Optimized P2P synchronization performance, improved the synchronization performance of blocks and transactions, optimized TXINV synchronization performance, and added POW block parallel test function. The current test main network POW block synchronization speed is about 33,000 blocks/minute, which is 10 times higher than before optimization (the synchronization speed is about 3,000 blocks/minute before optimization). The optimized program, along with the CPU, network performance improvement, synchronization performance will be synchronized (single-threaded test before optimization, the increase in the number of CPU will not improve the synchronization performance).

When upgrading EDPoS nodes, there is a problem that some EDPoS nodes cannot generate CERT transactions, resulting in some EDPoS nodes not being able to produce EDPoS blocks, which is found to be an error in the processing of long chains for PoW blocks of the same weight in the check and repair functions at startup, resulting in TXPOOL transactions not being processed correctly, while the program does not do check when loading TXPOOL, resulting in an error in extracting UNSPENT when the program generates CERT transactions, which in turn generates an error that CERT transactions have no preorder, so EDPoS nodes cannot enter consensus. This problem has been modified and submitted to PR and it is only generated at startup. After deleting the TXPOOL file and restarting, the program will work normally. Therefore, the current EDPoS node program works normally after restarting. The modified program can be upgraded in the next version. This problem mainly affects the EDPoS node. If the EDPoS node does not restart, there will be no problem.

It is found that when synchronizing from 0, at the stage of synchronizing EDPoS blocks, a large number of transactions appear in TXPOOL, and it is slow when using gettxpool to query the number of transactions, and by log analysis, it is after synchronizing CERT transactions of other nodes, because of the lack of preorder to synchronize the transactions again, so repeatedly synchronizing preorder transactions, and because the block height is low, it is not possible to cancel the transactions in TXPOOL, so a lot of transactions have accumulated in TXPOOL; the problem of synchronizing the preorder of CERT transactions has been modified and will be fixed in the next version.

超级节点

调试一键搭建超级节点测试脚本并修改；

超级节点feature发现MQ在未连接EMQX服务的情况下仍然非阻塞发布的BUG，已修复；

一键搭建超级节点测试脚本调试完毕，7个节点正常使用预期的配置文件，进行一系列预期的RPC操作后，成功运行。使用CLI登录每一个节点RPC服务，listenrollment/listkey/listaddress/listfork/listpeer的结果与预期一致，getbalance结果正常，查看IP:PORT使用情况，与预期相符；停止后再启动，观察所有的节点listenrollment结果是正常地增加了outer节点的信息，清除所有节点数据正常。

Debugged and modified the test script for building a super node in one click；

Super node feature found bug that MQ is still non-blocking posting when not connected to EMQX service (fixed)

The one-click super node test script debugging is completed, and the 7 nodes use the expected configuration files normally. After performing a series of expected RPC operations, they successfully run. Using the CLI to log in to each node's RPC service, the results of listenrollment / listkey / listaddress / listfork / listpeer are as expected. The result of getbalance is normal. The usage of IP:PORT has been checked, and the result is in line with expectations. Starting after stopping and observing the results of all nodes' listenrollment, it is normal to increase the information of the outer node and clear all the node data normally.

LWC 硬件

编写积能宝现场测试的总结报告；

编写LWS-IoT-SDK使用手册。

Write the summary report of the field test of Jengengbao；

Write LWS-IoT-SDK user manual.

LWS服务

lws-webapi提供数据存储服务；

lws,utxo数据过大，导致mqtt数据发送失败的问题（交易数据中附加数据过大导致utxo数据过大，导致发送失败）

lws-webapi provides data storage service;

lws, utxo data is too large to send mqtt data (too much additional data in transaction data causes utxo data to be too large, resulting in failure to send)

IPFS 雾存储

开始编写bbc+ipfs的POC系统；

开始对比libsnark和bellman，验证libsnark对bellman的可替换性。

Start to write POC system of bbc+ipfs;

Start to compare libsnark and bellman to verify the replaceability of libsnark to bellman.

其他

CPoW矿池收益API开发、测试、上线部署。

CPoW mining pool revenue API development, testing, go-live deployment.

官方轻钱包 PockMine

开发进度

云钱包提现时增加常用地址功能，已完成；

多重签名钱包相关的UI设计，已完成；

绑定谷歌验证功能，已完成；

手势锁屏密码功能，已完成；

收益分享功能，已完成。

Added frequently used address function when withdrawing money from cloud wallet (completed)

Multi-signature wallet related UI design (completed)

Binding Google verification function (completed)

Gesture lock code function (completed)

Revenue sharing function (completed)

社群活动

6月18日，PockMine第四期“托管挖矿”开启。30万BBC额度在开启后1分钟内即被抢光。目前平台累计托管80万BBC。

PockMine不仅为用户提供简单便捷、安全可靠的数字资产存储服务，更在为实现用户资产稳健增长而努力。

On June 18, the fourth phase of PockMine "Hosted Mining" was opened. The 300,000 BBC quota was sold out within 1 minute of opening. The platform currently hosts a total of 800,000 BBC.

PockMine not only provides users with a simple, convenient, secure and reliable digital asset storage service, but also strives to realize the steady growth of users' assets.

官网：https://pockmine.com/

生态应用 PockChains

开发进度

6月17日发布新版本v1.0.2.4，正式开放云算力转Stake额度，聊天界面新增每日资讯入口；

6月18日完成第二批次的BigBang Core云算力迁入，并开启挖矿；

新版本v1.0.3开发中，即将上线聊天表情包，以及更多新鲜功能。

On June 17th, a new version v1.0.2.4 was released, officially opening the cloud computing power to Stake quota, and adding a new information portal to the chat interface；

On June 18, the second batch of BigBang Core cloud computing power was moved in and mining started；

The new version v1.0.3 is under development, the chat emoticon package will be launched soon, and there will be more new features.

社群活动

口袋云课堂不定时空投系统红包，打开APP即有机会获得BBC惊喜红包。

The PockChains from time to time will airdrop system red packets, you can open the app anytime to get BBC surprise red packets!

“每日一问”主题活动火爆进行中

加入官方社群，每周一到周五，有机会获得社群空投红包，参与答题更有机会获得BBC奖励。

You can Join the official community, and every Monday to Friday there is a chance to win a community airdrop bonus and a chance to win BBC rewards for participating in the quiz!

官网：https://www.pockchains.io

矿工关注

BigBang Core 挖矿数据

挖矿数据（6月19日 17:00统计）：

Miner data（By 19rd June, 17:00）

BBC全网流通量增加到：253204497

EDPoS正式节点个数：6

全网出块：301700

持币地址数量：19361

挖矿算法：CryptoNight

CPoW难度：34

官方CPoW矿池（Official mining pool）：

bbc01.bbcpool.io

bbc02.bbcpool.io

本文来源：CoinBI_Media
原文标题：BigBang Core | 生态周报-第二十八期

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编译者/作者：CoinBI_Media

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