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Weekly News
project development
1. Bytom Developer Meetup was held in San Francisco on January 11th. Bytomswap team from Seattle explained Bytom’s smart contract and the BUTXO model. Bytomswap got the first prize in Bytom’s Global Dev Competiton last Year!



2. Jan 19th, Bytom Operation Director Qianli Ma will be invited to attend Hangzhou industry blockchain forum “Enabling entities to reshape value” and will communicate with other guests in the “Financial industry+Blockchain case and revelation” panel!

Technical Community
Bytomswap has finished the first step of its roadmap and could help transform the assets of the different blockchain
Asset conversion with bytomswap

Bytom is a public blockchain platform focused on the asset field. Recently, the developer community has built an asset…
medium.com   
2.Bytom Minority report

https://medium.com/@Bytom_Official/minority-report-3-25ea54b5de30

Dev report
Bytom Core
Added “dns seed” function, support to obtain Bytom seed node through dns
Bytomtemplate support recommit to make the transaction to be recorded sooner.
Added network ID field to node discovery module to distinguish between different network nodes and prevent nodes of different networks from finding each other;
Blockcenter
API integration test framework building
Scan smart contract utxo to support smart contract conveniently
Cms analysis page, spite IP management, blacklist management
Added the status_fail status flag for the transaction in list-transactions;
Added blacklist ban for IP and wallet GUID, added list-utxo API
Fixed the logical error of confirmation when build-payment choose available UTXO
Optimized the submit-transaction interface and support deal for contract parameters
Added build-transaction for the advanced transaction and began to support smart contract transaction
List-transaction interface support filter for transaction list through asset ID
Stress test for new server
Updated codes for updater and orm to suit the new structure of the database. Scan the addresses,transactions,utxos of all network to support the import of non-bycoin wallet.
Bytom-kit
Designed user page for Bytom-kit
Added an API that generates addresses and keys all at once;
Added the path that generates bip44 and the test data that private key generates API
Added and generated API for the address QR code, generated control program API
Added and generated 5 pages including key, generated Address, signature information, verification information and submit transaction, deployed completely
Smart contract
Completed data extraction for contract expression
Completed contract of PartLoanCollateral
Optimized the AST in equity complier while the receiving program of contract is the contract object
Cooperated with the back-end chain to write the savings contract, and shared out front-end action content of bonus contract
Researched the back-end process of releasing and unlocking the Bytom asset contract, and preliminarily completed the transformation of the verified transaction part;
Parsed contract nested expressions: nested expressions of ifElse, program, mathematical expression parsing. A process that supportsed different unlock sequences;
Blockmeta
Lockmeta deleted control program decode, added hashrate chart of mining pool to the homepage
Sidechain
Analyzed the file addition and data exchange module in ipfs
Sidechain alliance generated alliance address and the private key of alliance generated new tool for private key
Dpos consensus solution for sidechain(1.Abnormal voting problem 2. Structure of voting transaction, verification problem 3. Test the switch of block nodes according to the voting results 4. Manage miners utxo);