Last Updated on March 23, 2023 by Paganoto
World state database – Mastering Blockchain – O'Reilly
World state database – Mastering Blockchain – O'Reilly
World state reflects all committed transaction on the blockchain. This is basically a key-value store which is updated as a result of transactions and chaincode execution. For this purpose, either LevelDB or CouchDB is used.
Difference between chain and state database in Hyperledger …
Difference between chain and state database in Hyperledger …
The state database holds the last known committed value for any given key. It is populated when each peers validates and commits a transaction.
Ledger — hyperledger-fabricdocs main documentation
Ledger — hyperledger-fabricdocs main documentation
Firstly, there’s a world state – a database that holds current values of a set of ledger states. The world state makes it easy for a program to directly access …
CouchDB as the State Database – Hyperledger Fabric Docs
CouchDB as the State Database – Hyperledger Fabric Docs
CouchDB is an alternative external state database. Like the LevelDB key-value store, CouchDB can store any binary data that is modeled in chaincode (CouchDB …
Query the State Database – Blockchain Platform
Query the State Database – Blockchain Platform
The blockchain ledger’s current state data is stored in the state database. When you develop Oracle Blockchain Platform chaincodes, you can extract data …
Query Chaincode Data in the State Database
Query Chaincode Data in the State Database
CouchDB is a state database in Managed Blockchain that models ledger data as JSON. It is the default peer state database for Hyperledger Fabric 1.4 or later …
What are the differences between chain and state database in …
What are the differences between chain and state database in …
It is a file-based ledger which stores serialized blocks. Each block has one or more transactions. Each transaction contains a read-write set …
Transaction Log vs. State Database | by Sean Coates – Medium
Transaction Log vs. State Database | by Sean Coates – Medium
The state database describes the current state of every asset in the database. When the state of an asset changes, additional records are added with a new …
Blockchain and databases why and how they need each other.
Blockchain and databases why and how they need each other.
Since current state represents all latest key values known to the channel, it is sometimes referred to as World State. Chaincode invocations …
What is the difference between World State and … – Quora
What is the difference between World State and … – Quora
The ledger has a replaceable data store for the world state. By default, this is a LevelDB key-value store database. The transaction log does not need to be …
Pagaonoto is an SEO editor and cryptocurrency researcher for various publications.