Original Title | Polkadot Weekly: Hypersphere predicts that more than 10% of DOT will be used in parachain slots in 2021
Polkadot progress this week
On December 23, Robert, the co-founder of Polkadot, released a letter to the community, sharing the features of the current Rococo V1 version and the time of opening the slot. For more details, please refer to PolkaWorld’s article “Autographed by Polka Co-founder Robert: Rococo V1, a Holiday Gift for the Polka Community”
Polkadot Networks released the first reward proposal . The proponent is Koto Studio, one of the many organizations that W3F has cooperated with. The content of the proposal is to collect opinions and insights from various stakeholders in the entire ecosystem, and update the Polkadot brand to meet the continuous network Development needs. The bill is currently under discussion . If you are interested, you can view the proposal and participate in the discussion here: https://polkadot.polkassembly.io/post/228
The treasury bill proposed by Patract Labs regarding the development of Europa 0.2 has been passed ! Europa is a sandbox environment for running FRAME contract modules, and it is also a framework that provides a sandbox environment for Substrate Runtime. Therefore, developers can use the executable files compiled by Europa to debug ink! contracts, and they can also use the library provided by Europa as a framework to implement a sandbox environment in the runtime of their Substrate project. Learn more: https://polkadot.polkassembly.io/motion/48
Litentry proposed a proposal for a governance-oriented mobile application, which has been voted by the council. In this proposal, Litentry proposed the idea of using cross-wallet support to build a governance-centric application that can encourage users to participate in various on-chain governance activities, and can conduct on-chain governance activities at a lower cost Interaction, thereby increasing the participation in governance on the chain. The application will be applicable to all Substrate-based networks. Learn more: https://polkadot.polkassembly.io/motion/49
Ramp proposed a treasury spending proposal on kusama, with the purpose of adding KSM to Ramp’s SDK so that KSM can be purchased seamlessly across multiple dApps and wallets . The bill has now been passed. Learn more: https://kusama.polkassembly.io/motion/249
PolkaWorld this week released the second part of the Polkadot Board of Directors interview “Joe Petrowski: Writing Treasury Proposals Like This Is Easier to Pass | Polka Council Member Interview Series 2”, this time the interviewed member is Parity Research Analyst Joe Petrowski. He talked about When it comes to what kind of proposal you think is easier to pass, wait.
If you are also interested in the views of other parliamentarians, you can check the first issue of “Decrypted Polka Council Members (Part I): Bruno, RTTI, Acala Foundation, WEI, PolkaWorld”
PolkaWorld hope that through a series of interviews with members of the Council to help communities better use and application DOT Boca treasury expenditures, you are welcome to the Board PolkaWorld campaign cast a vote.
The second part of the documentary “Polka Behind the Code” that everyone is paying attention to will be launched, and the Chinese community part will be added in the second part. At present, PolkaWorld is also helping to collect scripts and information. Please look forward to it!
On December 26, Hypersphere partner and former W3F external cooperation director Jack Platts posted a tweet predicting Polkadot’s 2021:
- Release the first trustless BTC/ETH & DOT bridge chain
- 10 Parachains online
- Launched the first cross-chain application based on Polkadot
- More than 10% of DOT and KSM will be locked in the slots of the parachain
- Polkadot DeFi’s total locked-in value will start from 0 USD and cross 1 billion USD
Hypersphere is also one of the co-sponsors of the Substrate startup camp . PolkaWorld also interviewed Hypersphere last week. “Hypersphere: We are optimistic about the storage, privacy and computing projects on Polkadot”
If you want to create a project based on Substrate, welcome to sign up for the entrepreneurial camp. “Substrate start-up camp mentor announced! Gavin and other 10 mentors help entrepreneurs grow up “
Ecological project progress
ChainX
On December 15, 2020, a user in the ChainX community mistakenly transferred 8000 PCX to the balance of the CBDparadise node account when operating voting mining. The user eagerly hopes to be able to contact the CBDparadise node himself, and discuss solutions with it, and hope that the informed members of the community can enthusiastically provide the contact information of the CBDparadise node! “A Letter to the ChainX Community”
ChainX 2.0
- ChainX upgraded to v2.0.7, opened Bitcoin and DEX functions
- Use offchain worker to build btc-relay framework
- Add PRC document about gateway
- Rebuild and deploy telemetry (stats.chainx.org)
- Added XBTC and PCX total balance monitoring
2.0 wallet
- The wallet dex has complete functions, added transaction restrictions, and officially opened
- Wallet v2.0.5 released
- Save the content of the homepage to the local cache, delete the initial loading of the homepage, and display the cached data when the user enters
- Add the corresponding redirection address on the trustee page
- The transferable amount of the voting interface of the staking page is modified to the remaining number of votes
Block explorer
- Socket.io performance optimization, improvement of stability, configuration of cors, transport, timeout, etc.
- Repair browser Dex-current delegate list
- Optimize the list of Dex pending orders
- Update socket and chainx.js-v2
- DevOps warehouse browser and API maintenance documentation is complete
- Subscan docking communication
- The browser adds “tools” page to realize ss58format conversion and event and transaction search, and adapt to the mobile terminal
- The account details page adds a balance change graph, the voting list on the account details page, and adds the record of Rebonded/Unbonded events
- Account details page, transfer list, add a column of “direction”, indicating that it is “transfer in” or “transfer out”
- Penalty list, the total number of penalties plus the link, link to the “penalty list” of node details (in addition, the number of times in the penalty list is placed to the left)
- Fix the sender address link in the upgrade record during runtime, fix the number of withdrawal transactions on the homepage
- Cross-chain module withdrawal transaction, plus withdrawal status
Acala Network
On December 22, he published “Pokadot Ambassador Joshua: Why I am so excited about Acala”, Pokadot Ambassador Joshua concluded: As a mature and customizable blockchain network, Acala is optimized for financial services, and the goal is to become a wave Decentralized Finance (DeFi) center on the card. If you have a certain understanding of Polkadot, you know that Polkadot, as a heterogeneous blockchain protocol, connects multiple customized blockchain networks to a public, unified network, and the connected blocks The chain network is called a parachain. This article will not expand on all the reasons why Acala chose Polkadot, but there are two simple reasons, including scalability (TPS of Polkadot is about 1500, Ethereum TPS is about 14) and Polkadot’s bank level Shared security .
On December 23, published “Acala and Phala jointly release the first privacy cross-chain use case”, in this article, we demonstrated the powerful capabilities of XCMP, we can directly make Acala and Phala interoperate, through DeFi parachain and privacy The combination of parachains gives DeFi a privacy capability . In the Ethereum DeFi ecosystem, we have already seen the advantages of composability, so we believe that XCMP will become a powerful Dapp Building Block, and look forward to seeing more new applications combined by parachains on Polkadot.
On December 24th, “Acala x DoraHacks | ACA Bounty Challenge Continues” was released. From December 18th to January 2nd, 2020, DoraHacks launched Substrate Hackathon, cooperating with Acala, Phala, Darwinia, Bandot and Litentry to provide developers with 5000 US dollars Bounty, and Polkadot Treasury and Polkadot Ecological Fund provide a total of 10,000 US dollars of open grants. In addition to the generous Grant and Bounty, dozens of capital partners and ecological partners will join hands in the competition to tap the potential Projects and teams, looking for future stars! This article is accompanied by a pre-match instruction lesson by Acala Foundation member Bryan.
On December 25th, published “Polkadot Decoded Review｜Speaking for Polkadot DeFi”, this video recalls that on December 3rd, Acala Council Member Ruitao Su was invited to attend the first online decoding conference held by Polkadot for the community-Polkadot Decoded, As the most important DeFi infrastructure in the Polkadot ecosystem, Acala was present on behalf of the Polkadot DeFi ecosystem. This summit demonstrated the three core modules of Acala products online, and invited Ren CTO Loong to talk about the cooperation with Acala and future development plans. It is a very worth watching video introducing Acala and ecological products.
Development progress:
1. State_rent quota optimization
2. EVM module: optimization of state rent quota
3.ORML: Update LockableCurrency to return results
4. EVM module: adjust Action ID
5. Update EVM weight information
6.Dapp update Acala type
7. Add Karura PLO introduction interface
8.acala.js updates Staking pool type
9. EVM module: update multi-signature address integration
Phala Network
1605 Competition: Currently, there are 1,328 online TEE computing nodes (miners), which is 110% of last week’s. The computing power of the entire network exceeds 427,000, which is equivalent to 6,100+ CPU cores providing privacy computing power for Phala.
GK Workshop: A goalkeeper was added last week. So far, the Phala Vendetta testnet has accepted a total of 12 goalkeepers, of which 6 are from China, 5 are from Italy, and 1 is from Russia.
Phala Bounty Program: Last week, we received 9 Phala peripheral designs, 3 full nodes, and 1 miner tutorial video. So far, a total of 21 participants around the world have completed 43 tasks, released 50 Phala NFTs, 27 Phala surroundings, and 6 community teaching videos.
Development progress
- Open source the first version of the mine pool management system Repo
- Solved the problem of multiple PoC 3 test chains
- Redesigned PHost to improve performance and stability, and is under internal debugging
- Upgraded on the v21 chain to solve the data problem that some computing tasks rely on
Community & ecology
Released the cross-chain Demo with Acala, and Dr. Gavin Wood personally reposted the tweet. “Acala and Phala jointly release the first privacy cross-chain use case”
The Crust & Phala dual mining tutorial was released, and it won the headline of the “Golden Manual” column of Golden Finance. “Phala & Crust dual mining tutorial is out, get extra rewards quickly! 》
On December 25, Tong Lin participated in the Cryptogram Pad Polkadot special theme AMA, and discussed the development of Polkadot with Darwinia, Bifrost, and ChainX.
On December 26, Phala won the “Annual Innovative Technology Award” at the Golden Finance 2020 Golden Ceremony.
Bifrost
Technology development
- Rococo Runtime code synchronization & testing
- IOST Bridge trading test
- Ethereum BatchDeposit contract development & deployment
- Validator Key and Withdrawal Key separated storage plan and reorganized ETH 2.0 Deposit Json
- Deploy Gnosis multi-sign contract and transfer vETH contract management administrator authority
- Graphql data access
- Ethereum blockchain transaction synchronization service development & deployment
- vETH interface service development & deployment
- vETH income collection contract development & testing
- vETH revenue clearing service design & development & testing
- Integrate Uniswap fast transaction function
- Develop Liquidity Drop function
OK
As of December 25, the Bifrost vETH minting airdrop has reached 1,463.462 vETH minting, and a total of 40,815 BNCs have been distributed. The event will end in 5 days. Click to view vETH minting tutorial.
On December 21st, Maarten, the head of Bifrost Telegram, attended an overseas AMA, and answered questions about the Slash, voting mechanism, Bifrost Staking advantage and AMM swap poll that overseas friends are concerned about. Detailed review of the AMA: https://link.medium. com/HvoWOCwlqcb
On December 23, Bifrost’s co-founder Lurpis attended the Sanya International Blockchain Technology Innovation Summit. In Roundtable Forum 4, “Polka Opens a New Era of Ten Thousand Chain Interconnection, Where Are the Future Opportunities?” “It said that in the DeFi field, the derivatives track may explode. Live broadcast review: https://play.yunxi.tv/pages/d56694d696e04576b7375842caea781e?openId=oY3Tsvkn61FIfsOjEgPdCMekIjxk#/
On December 23, in the Decentralised overseas community sharing, Maarten expressed his views on the issues raised by overseas partners on Bifrost vETH MintDrop revenue, PLO liquidity pool vDOT sales and other issues. AMA details review: http://bit.ly/3piAYw6
This weekend, as the sponsor of the first Rust China Conf, Bifrost participated in the exhibition and introduced Bifrost at the conference. In addition, Jamie Deng, the core developer of Bifrost, as a lecturer, will share the keynote speech “Simplifying Rust Code with Process Macros” at 9:50 on the 27th. Watch live: https://live.bilibili.com/22671598
Crust Network
The fourth phase of the Crust “Ark Project” incentive test network has just ended. About 800 storage nodes from around the world have joined the incentive test network. The cumulative available storage space is close to 44 PB, and the total number of validators and candidates is 454.
The first two-day “Rust China Conf” sponsored by Crust Network was held in Shenzhen. Nearly 300 Rust fans from all over the country participated. There were more than 30 topics on the two-day schedule and the dry goods were full.
On December 23, Bova, the founder of Crust Network, was invited to attend the CTC one-year anniversary summit, and discussed with other guests in a round table with the theme of “Pokadot opens a new era of 10,000-chain interconnection, where are the future opportunities”. Questions such as where the future killer applications on the card will appear on the track.
On Wednesday night, Crust’s “Crusty Talk” first issue of the topic “Is there any value in the Crust storage market” was successfully carried out in the official WeChat community, and 10 participants expressed their unique opinions.
Chain work overview
1. Complete the 0.11.0 version iteration and complete many important functions of the main network, including DSM2.0, Group, I, and II files.
2. Upgrade to the latest Substrate Master, fix multiple client vulnerabilities and adapt to the latest Rust Nightly.
3. Complete the Code Review of DSM2.0 and classify all unit test cases, see: https://github.com/crustio/crust/pull/361.
4. Complete the parachain transformation of Rococo V1 and wait for the V1 slot to open for cross-chain testing.
5. For version 0.10.2 (Ark Project), adjust the weight parameter of the sworker module to optimize the block time.
6. For the 0.10.2 version (Ark Project), the WASM startup method was changed, and the synchronization and execution speed was increased by 100 times +.
sWorker job overview
1. Completed the 0.7.0 version iteration and completed many important functions of the mainnet, including support for IPFS Seal/Unseal, efficient dynamic capacity changes, optimized SRD restart inheritance and upgrade inheritance.
2. Change the seal/unseal operation to synchronous execution to ensure the execution efficiency of IPFS loading files.
3. In order to support various general hard disk technologies, the multi-path SRD support has been removed to simplify the execution logic and improve the execution efficiency.
4. Store the data after the file is sealed locally to improve the efficiency of the seal.
5. Modify the storage and spot check mechanism of IPFS meaningful files.
6. Targeted optimization of some logs.
7. Optimized the test structure.
Node job overview
1. Added the optimized startup mode of the chain (start WASM in Compiled mode).
2. For the new SRD mode, make corresponding changes on the Config Generator side.
Apps job overview
1. Fix the bug that rendering fails when there is no file on the IPFS Files page.
2. Fix the bug of IPFS page error when crust-apps switch language.
3. Chinese language is added to IPFS, and locales files of IPFS are migrated.
4. Modify the text on the Welcome page, and add IPFS Icon to the menu tab.
other
1. Complete the basic project construction of the storage browser Service.
2. Complete the centralized bridging scheme design of ERC20, second test and mainnet token.
Stafi
1. The rETH function, the exchange rate service has been developed and deployed. In other functional tests, some problems have been fixed, and the contract has been submitted for audit.
2. In the development of rBridge two-way bridge, it supports the conversion of ERC20 FIS to the StaFi chain. The current progress is 80%.
3. In the development of rFIS front-end functions, the framework compatibility issue is currently being resolved.
4. In the research of the MPC algorithm based on the two-layer mechanism, there is a preliminary plan, which is being improved.
5. On December 21st, StaFi announced the list of winners of rFIS test rewards. A total of 66 pledge users and 40 validators were rewarded.
Details: https://twitter.com/StaFi_Protocol/status/1341011891150209025
6. On December 22, StaFi released the rETH product how to solve the Slash problem encountered by validators in 2.0 Staking. Through empirical analysis and theoretical research, StaFi believes that at this stage, validators running Staking Contract pay 8 ETH as a deposit, which can avoid the loss of user funds by Slash in most cases. In addition, StaFi has also designed a Slash insurance fund pool mechanism for validators to hedge against Slash excess losses, and detailed participation rules will be disclosed later.
7. On December 22nd, StaFi co-founder Liam was invited to participate in the BitMax 2nd Anniversary Celebration and 2020 Brand Upgrade Conference. The theme was “DeFi vs ETH2.0 vs Polkadot” and danced together: How to run the new track? In the roundtable discussion, in response to the competitive development of DeFi, Ethereum 2.0 and Polkadot, how ordinary investors should rush to the new track, Liam explained the trade-off between enterprise centralization and decentralization.
Zenlink
DEX Protocol
- Adapt to cross-chain asset transactions based on orml-xtoken module
- Merging and applying Zenlink DEX Module to the Culumus master branch
DEX DApp
- Update the visual design of DApp to distinguish different operations more clearly
- Build trading router function
Web3 Foundation Grant
- Since the Web3 Foundation is already in the Christmas and New Year holidays, the application is still under review
Market & Operation
From December 19th to 20th, DoraHacks launched Substrate Hackathon in Hangzhou with the theme of “Substrate and Polkadot Ecology Related Technologies”. Zenlink was selected as the Top 3 of Substrate Hackathon Hangzhou Station.
Zenlink officially announced the list of the “Community Guardian Program”. A total of 3 community members were selected as Zenlink community guardians. They will formally participate in the management and construction of Zenlink communities at home and abroad to jointly create a better Web3.0 community. With the continuous development of the project and the further expansion of the community, more community guardians will join the program in the “second half”.
Litentry
Litentry Node
- Refactored integration test code. Added support for mocha + chai test framework, and added support for calling Litentry nodes in the test when needed.
- Complete the integration of Off-chain worker and Bitcoin account linker interface
- The design of the link_btc interface is initially completed
- Support Bitcoin Bech32 isolated verification address format
Litentry App
- Develop the initial version of the governance dashboard, highlighting statistics related to governance
- Improved the design of home page
other
- Kusama validator dual node online
- The Polkadot Treasury voted and passed the Litentry Governance-centric App proposal
Market dynamics
The treasury application proposal of the Litentry Governance-centric App was approved by 8 votes. In the proposal, Litentry will create a cross-chain governance voting app, through which users can easily participate in the on-chain governance of different projects in the Polkadot ecosystem, and also help to establish Cross-chain identity files make on-chain governance more efficient. https://polkadot.polkassembly.io/treasury/29
Litentry launched the Spark Program, a community partner program, and plans to recruit 25 community partners to participate in Litentry’s early project construction and establish a preliminary DAO council. Currently, the Spark project has received more than 40 community applications.
Polkadot Chinese community PolkaWorld conducted an in-depth interview with Litentry founder Cheng Hanwen, and published an article “On-chain identity is the entrance for users to enter the Web3.0 world”, in-depth exploration of the content of the project, covering all the concerns of Litentry users.
On 26-27th, the first China Rust Developer Conference was held in Shenzhen. Litentry participated in the conference as a sponsor. The site was full of dry goods, and core developers from companies such as Ant Group and Parity were invited to give speeches.
