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Technical weekly Ethereum 2.0 test network Pyrmont completes Altair hard bifurcation

2021-08-25 10:11:35 Fun coin

This week's technical weekly contains The etheric fang Kusama、Filecoin、BSN Four networks of technical news .

Ethereum network

Ethereum development environment tools Hardhat Release v2.6.1, Solve three problems

Ethereum development environment tools Hardhat Release v2.6.1, This version solves three problems :

1. When the user passes websocket Connect to Hardhat Node time , There is a problem with this node . Now? websocket The connection should work properly .

2. debug_traceTransaction Can be used to send transactions from an impersonation account .

3. evm_setNextBlockTimestamp、evm_increaseTime and evm_mine We will now accept hexadecimal strings as arguments .

The etheric fang JavaScript library Ethers.js a Chainlink Community grant funding

The etheric fang JavaScript library Ethers.js a Chainlink Community Grant funding , It will be extended to other applications through auxiliary packages EVM Blockchain .Chainlink Express , Add support for others based on EVM The support of blockchain network will make Ethers.js Can further simplify Web3 Application development and deployment . As part of the grant ,Ethers.js Will create one dedicated to OKExChain Auxiliary package for , And additional support Chainlink Predicting machine . Besides ,Ethers.js Clear guidance documents will also be created , Allow external blockchains to create their own auxiliary packages , Thus making Ethers.js Can support its EVM Chain to facilitate Web3 Developers develop hybrid smart contract applications .

The etheric fang 2.0 Test net Pyrmont Succeed in Altair Hard fork upgrade

8 month 19 Japan , The etheric fang 2.0 Test net Pyrmont Succeed in Altair Hard fork upgrade .

Ethereum client Geth Will be in 8 month 24 A patch for security issues was released on the th

Official news ,8 month 24 Japan , Ethereum client Geth Patches for high severity security issues will be released . Officials remind users to make any necessary preparations to upgrade to the upcoming version (v.1.10.8) .

The etheric fang 2.0 client Lodestar Release Eth2 Light client prototype

The etheric fang 2.0 client Lodestar Release Eth2 Light client prototype . The prototype is connected to the back end , Use blocks that have not been agreed by verifiers to advance the State , Thus, the consumer layer can be tested at a lower resource cost , At the same time, it also discloses the function of requesting proof , According to the status of the current synchronization (state root) To verify .

ChainSafe Release Ethereum JavaScript library Web3.js v1.5.2 edition

Blockchain protocol and infrastructure development company ChainSafe On twitter , The etheric fang JavaScript library Web3.js v1.5.2 The version is now available , Major updates include : – remove eth.sendTransaction and eth.sendRawTransaction Default value of transaction type ; – type : When using eth.signTransaction when ,0x0 Being added to historical transactions .

Ethereum's third largest client Erigon has 100% complete “ London ” Upgrade deployment

8 month 15 Daily news , According to the latest data , At the time of writing this article , Ethereum's third largest client Erigon has 100% complete “ London ” Upgrade deployment . Up to now , has 100% complete “ London ” The Ethereum client to be upgraded and deployed includes :Openethereum、Erigon and Besu, Ethereum's largest client Geth The current completion rate is 97%. overall , Current Ethereum whole network client “ London ” The upgrade deployment completion rate is 97.3%.

Kusama The Internet

Poca First network Kusama The second round of five parallel chain slot auctions will be started

Boca first network Kusama The committee will hold another five parallel chain slot auctions in the coming weeks , The schedule is 9 month 1 Japan 、8 Japan 、15 Japan 、22 Day and 29 Greenwich mean time 12:00( Beijing time. 20:00).

Boca released Kusama Peace chain stability report : There is a problem of network deterministic pause, but the overall operation is stable

8 month 17 Japan , In Boca (Polkadot) released Kusama In the peace chain stability report , Combined with parallel chain block stability 、 Approve the vote (ApprovalVoting)、 Network connection and load (CPU And the Internet ) Four key factors lead to the conclusion , At present, the network is running smoothly , The only major problem is the occasional deterministic pause in the network (finalitystall) problem , However, because these pauses are captured by the fault protection device , So it didn't cause much damage , The root cause is currently being investigated , The solution will be given before the parallel chain starts on the Boca .

Filecoin The Internet

Filecoin Will be in 2021 year 10 month 15 The second production reduction on the th

according to Filecoin Official release rules ,Filecoin Will be in 2021 year 10 month 15 The second production reduction was ushered in on the th ,SAFT All linear releases are completed in a one-year period ,10 month 15 Japan FIL12 When it's due , Daily circulation to the market FIL Will reduce 87183 gold ,FIL Daily circulation is expected to decrease 29057 gold , Daily release FIL Will reduce 23.8%.

BSN The Internet

BSN Will be in 2021 year 10 month 31 The next quarterly version iteration update will be carried out on the th

according to BSN Development Alliance planning , Blockchain service network (BSN) Will be in 2021 year 10 month 31 The next quarterly version iteration update will be carried out on the th , On the existing BSN function 、 While optimizing performance and service experience , Launch new technical services . Will follow the domestic portal 、 International portals and BSN The three parts of the basic network are iterated . The update notice is as follows :

1. BSN Official website of China (www.bsnbase.com) function 、 Interface and developer manual iterative optimization , Enhance user experience ;

2. Standard alliance chain integration Hyperledger Fabric V2.3.2;

3. Publish open alliance chain network based on Library chain ;

4. Open alliance chain function optimization : Add Multi Chain Account Registration API Interface , Wenchang chain gateway supports gRPC agreement ;

5. Cross chain communication hub is based on Poly Enterprise The cross chain solution integrates Wuhan chain and Tai'an chain 、Hyperledger Fabric and FISCO BCOS Cross chain interoperability of alliance chain network ;

6. Cross chain communication hub is based on IRITA Cross chain solution support TIBC, Upgrade test network IRITA Cross chain framework supports Ethereum Ropsten and Chainlink Oracle service ;

7. Service function optimization of proprietary nodes in alliance chain :Quorum Increase cross chain service opening , Add chain node configuration change 、 Optimize functions such as proprietary node gateway .

International gateway :

1. BSN International official website (www.bsnbase.io) function 、 Interface and developer manual iterative optimization , Enhance user experience ;

2. Standard alliance chain integration Hyperledger Fabric V2.3.2;

3. Cross chain communication hub is based on IRITA Cross chain solution support TIBC, Upgrade the test network based on IRITA The cross chain framework supports Ethereum Ropsten and Chainlink Oracle service ;

4. Continue to integrate more public chains , And in the international official website and international nodes to provide external services ;

Service function optimization of proprietary nodes in alliance chain :Quorum Increase cross chain service opening , Add chain node configuration change 、 Optimize functions such as proprietary node gateway .

BSN Basic network :

1. increase tencent Cloud City node , Provide developers with more choices of cloud platform services ;

2. Introduction BSN DID Distributed digital identity , It supports voucher issuance under the unified identity management system 、 Authentication and authorized access management ;

3. BSN Function upgrade of enabling platform , To a third party BSN The portal provides cross chain services 、 Application service management interface of proprietary node .

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