Architecture Overview
We started with the idea of making software that is modular.
This is something that is present in almost all parts of the Credit Smart Chain. Below, you will find a brief overview of the built architecture and its layering.
Credit Smart Chain Layering
Libp2p
It all starts at the base networking layer, which utilizes libp2p. We decided to go with this technology because it fits into the designing philosophies of Credit Smart Chain. Libp2p is:
Modular
Extensible
Fast
Most importantly, it provides a great foundation for more advanced features, which we'll cover later on.
Synchronization & Consensus
The separation of the synchronization and consensus protocols allows for modularity and implementation of custom sync and consensus mechanisms - depending on how the client is being run.
Credit Smart Chain is designed to offer off-the-shelf pluggable consensus algorithms.
The current list of supported consensus algorithms:
IBFT PoS
Blockchain
The Blockchain layer is the central layer that coordinates everything in the Credit Smart Chain system. It is covered in depth in the corresponding Modules section.
State
The State inner layer contains state transition logic. It deals with how the state changes when a new block is included. It is covered in depth in the corresponding Modules section.
JSON RPC
The JSON RPC layer is an API layer that dApp developers use to interact with the blockchain. It is covered in depth in the corresponding Modules section.
TxPool
The TxPool layer represents the transaction pool, and it is closely linked with other modules in the system, as transactions can be added from multiple entry points.
GRPC
The GRPC layer is vital for operator interactions. Through it, node operators can easily interact with the client, providing an enjoyable UX.
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