/CovenantSQL

a SQL Database on Blockchain
database blockchain sql consensus rpc-framework crowdsourcing bft p2p crypto encryption decentralized storage jdbc-driver sql-92 covenant immutable history-tracking db-api
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@leventeliu
leventeliu Merge pull request #60 from CovenantSQL/bugfix/storage 
Bugfix/storage
Latest commit 20c5551 Sep 13, 2018
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bin Add observer to docker entry file Aug 30, 2018
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client Fix random connection id bug Sep 13, 2018
cmd Merge pull request #60 from CovenantSQL/bugfix/storage Sep 13, 2018
common rename all thunderdb words Aug 27, 2018
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crypto add rpc example Sep 1, 2018
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keys add cpu_count, loadavg metric. normarlize crucial metrics to "mem_ava… Aug 1, 2018
logo fix logo/DH-RPC-Layer.png Sep 13, 2018
merkle rename all thunderdb words Aug 27, 2018
metric use github.com/CovenantSQL/go-sqlite3-encrypt develop branch Aug 30, 2018
pow/cpuminer add rpc example Sep 1, 2018
proto rename all thunderdb words Aug 27, 2018
route add unit tests for route package Aug 28, 2018
rpc fix logo/DH-RPC-Layer.png Sep 13, 2018
sqlchain Add height growth channel to schedule stash returning Sep 13, 2018
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test Update observer port config to 4661 Aug 30, 2018
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utils add address testcases Sep 4, 2018
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build.sh Add build flags to cli build script Sep 13, 2018
cleanupDB.sh add rpc example Sep 1, 2018
codecov.yml add rpc example Sep 1, 2018
docker-compose.yml Update docker-compose file to listen any address for observer Aug 30, 2018
genMarshalHash.sh use new cmd hsp instead of HashStablePack Aug 20, 2018

README.md

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CovenantSQL is a decentralized, crowdsourcing SQL database on blockchain. with Features:

  • SQL: most SQL-92 support.
  • Decentralize: decentralize with our consensus algorithm DH-RPC & Kayak.
  • Privacy: access with granted permission and Encryption Pass.
  • Immutable: query history in CovenantSQL is immutable and trackable.

We believe On the next Internet, everyone should have a complete Data Rights

One Line Makes Data on Blockchain

sql.Open("CovenantSQL", dbURI)

CovenantSQL 3 Layer design

  • Layer 1: Global Consensus Layer (the main chain, the middle ring in the architecture diagram):
    • There will only be one main chain throughout the network.
    • Mainly responsible for database Miner and the user’s contract matching, transaction settlement, anti-cheating, shard chain lock hash and other global consensus matters.
  • Layer 2: SQL Consensus Layer (shard chain, rings on both sides):
    • Each database will have its own separate shard chain.
    • Mainly responsible for: the signature, delivery and consistency of the various Transactions of the database. The data history of the permanent traceability is mainly implemented here, and the hash lock is performed in the main chain.
  • Layer 3: Datastore Layer (database engine with SQL-92 support):
    • Each Database has its own independent distributed engine.
    • Mainly responsible for: database storage & encryption, query processing & signature, efficient indexing.

Papers

Our team members published:

that inspired us:

Libs

Network Stack

  • DH-RPC := TLS - Cert + DHT
    • RPC Layer: compatible with golang net/rpc
    • Naming Layer: Consistent Secure DHT
    • Pooling Layer: session pool built on Yamux
    • Multiplex Layer: Yamux by Hashicorp
    • Transport Security Layer: Enhanced TLS
    • Network Layer: TCP or KCP for optional later

Test Tools

Connector

CovenantSQL is Still Under Construction(U know..). Test net will be released till Oct.

Watch us or follow on Twitter we will Wake U Up When September Ends

Contact